Correct

- Add WorkflowLifecycleEvent + StepMetric to tools/workflow_lifecycle.go
- Add WORKFLOW_STARTED_EVENT, WORKFLOW_STEP_DONE_EVENT, WORKFLOW_DONE_EVENT NATS methods
- ResourceInstance.UpdateAverageDuration for AverageDurationS running average
- Support Steps recap in WORKFLOW_DONE_EVENT for catch-up by oc-scheduler/oc-catalog

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docs/plantuml-human-readable.md

@@ -0,0 +1,214 @@
+# PlantUML — Format de commentaire human-readable
+
+Ce document décrit la syntaxe des commentaires attachés aux ressources et aux liens
+dans les fichiers PlantUML importés par OpenCloud.
+
+---
+
+## Syntaxe générale
+
+```plantuml
+TypeRessource(varName, "Nom affiché") ' clé: valeur, clé.sous_clé: valeur
+```
+
+### Règles de parsing
+
+| Règle | Détail |
+|---|---|
+| Séparateur de paires | `,` |
+| Séparateur clé/valeur | premier `:` de la paire (les URLs `http://...` sont gérées) |
+| Sous-objets | notation pointée `access.container.image: nginx` |
+| Types | auto-inférés : `bool` > `float64` > `string` |
+| Fallback | JSON brut si le commentaire commence par `{` (compatibilité ascendante) |
+
+### Comportement à l'import
+
+Chaque ressource reçoit automatiquement une **instance par défaut**, seedée avec les
+attributs de la ressource parente. Le commentaire vient ensuite **surcharger** uniquement
+les champs explicitement renseignés.
+
+> **Exception :** `WorkflowEvent` n'a pas d'instance (voir section dédiée).
+
+---
+
+## Ressources disponibles
+
+### `Data(var, "nom")` — Données
+
+Ressource de données. Les attributs qualifient le modèle de données **et** son instance
+(source d'accès).
+
+| Clé | Type | Description |
+|---|---|---|
+| `type` | string | Type de données (`raster`, `vector`, `tabular`…) |
+| `quality` | string | Niveau de qualité |
+| `open_data` | bool | Données en accès libre |
+| `static` | bool | Données statiques (pas de mise à jour) |
+| `personal_data` | bool | Contient des données personnelles |
+| `anonymized_personal_data` | bool | Données personnelles anonymisées |
+| `size` | float64 | Taille en GB |
+| `access_protocol` | string | Protocole d'accès (`http`, `s3`, `ftp`…) |
+| `country` | string | Code pays ISO (`FR`, `DE`…) |
+| `location.latitude` | float64 | Latitude géographique |
+| `location.longitude` | float64 | Longitude géographique |
+| `source` | string | URL / endpoint d'accès à la donnée |
+
+```plantuml
+Data(d1, "Satellites L2A") ' type: raster, open_data: true, size: 120.5, source: https://catalogue.example.com, country: FR
+```
+
+---
+
+### `Processing(var, "nom")` — Traitement
+
+Ressource de traitement (algorithme, conteneur, service). Les attributs qualifient
+le modèle de traitement **et** sa configuration d'exécution.
+
+| Clé | Type | Description |
+|---|---|---|
+| `infrastructure` | int | Infrastructure cible : `0`=DOCKER, `1`=KUBERNETES, `2`=SLURM, `3`=HW, `4`=CONDOR |
+| `is_service` | bool | Traitement persistant (service long-running) |
+| `open_source` | bool | Code source ouvert |
+| `license` | string | Licence (`MIT`, `Apache-2.0`, `GPL-3.0`…) |
+| `maturity` | string | Maturité (`prototype`, `beta`, `production`…) |
+| `access_protocol` | string | Protocole d'accès |
+| `country` | string | Code pays ISO |
+| `location.latitude` | float64 | Latitude |
+| `location.longitude` | float64 | Longitude |
+| `access.container.image` | string | Image du conteneur |
+| `access.container.command` | string | Commande de démarrage |
+| `access.container.args` | string | Arguments de la commande |
+
+```plantuml
+Processing(p1, "NDVI Calc") ' infrastructure: 0, open_source: true, license: MIT, maturity: production, access.container.image: myrepo/ndvi:1.2
+```
+
+---
+
+### `Storage(var, "nom")` — Stockage
+
+Ressource de stockage. Produit une instance live (`LiveStorage`) à l'import.
+
+| Clé | Type | Description |
+|---|---|---|
+| `storage_type` | int | Type de stockage (enum) |
+| `source` | string | URL / endpoint du stockage |
+| `path` | string | Chemin ou bucket dans le stockage |
+| `local` | bool | Stockage local |
+| `security_level` | string | Niveau de sécurité |
+| `size` | float64 | Taille allouée en GB |
+| `encryption` | bool | Chiffrement activé |
+| `redundancy` | string | Politique de redondance |
+| `throughput` | string | Débit cible |
+| `access_protocol` | string | Protocole (`s3`, `nfs`, `smb`…) |
+| `country` | string | Code pays ISO |
+| `location.latitude` | float64 | Latitude |
+| `location.longitude` | float64 | Longitude |
+
+```plantuml
+Storage(s1, "Minio OVH") ' source: http://minio.example.com:9000, path: /bucket/data, access_protocol: s3, encryption: true, size: 500, country: FR
+```
+
+---
+
+### `ComputeUnit(var, "nom")` — Unité de calcul
+
+Ressource de calcul (datacenter, cluster). Produit une instance live (`LiveDatacenter`)
+à l'import.
+
+| Clé | Type | Description |
+|---|---|---|
+| `architecture` | string | Architecture CPU (`x86_64`, `arm64`…) |
+| `infrastructure` | int | `0`=DOCKER, `1`=KUBERNETES, `2`=SLURM, `3`=HW, `4`=CONDOR |
+| `source` | string | URL de l'API du datacenter |
+| `security_level` | string | Niveau de sécurité |
+| `annual_co2_emissions` | float64 | Émissions CO₂ annuelles (kg) |
+| `access_protocol` | string | Protocole d'accès |
+| `country` | string | Code pays ISO |
+| `location.latitude` | float64 | Latitude |
+| `location.longitude` | float64 | Longitude |
+
+```plantuml
+ComputeUnit(c1, "Datacenter Rennes") ' source: https://api.dc-rennes.example.com, infrastructure: 1, country: FR, location.latitude: 48.11, location.longitude: -1.68, security_level: high
+```
+
+---
+
+### `WorkflowEvent(var, "nom")` — Événement déclencheur de workflow
+
+Crée directement un `NativeTool` de type `WORKFLOW_EVENT` (Kind = 0).
+Représente le point de départ d'un workflow.
+
+> **Pas d'instance. Pas de commentaire.**
+> Le nom du `NativeTool` est forcé à `WORKFLOW_EVENT` à l'import.
+
+```plantuml
+WorkflowEvent(e1, "Start")
+```
+
+---
+
+## Liens
+
+Les commentaires sur les liens qualifient la connexion entre deux ressources
+(typiquement entre un traitement et un stockage).
+
+### Syntaxe
+
+```plantuml
+source --> destination ' clé: valeur
+source <-- destination ' clé: valeur
+source -- destination  ' clé: valeur (non directionnel)
+```
+
+### Attributs disponibles
+
+| Clé | Type | Description |
+|---|---|---|
+| `storage_link_infos.write` | bool | `true` = écriture, `false` = lecture |
+| `storage_link_infos.source` | string | Chemin source dans le lien |
+| `storage_link_infos.destination` | string | Chemin destination dans le lien |
+| `storage_link_infos.filename` | string | Nom du fichier échangé |
+
+```plantuml
+p1 --> s1 ' storage_link_infos.write: true, storage_link_infos.filename: output.tif
+d1 --> p1
+```
+
+---
+
+## Exemple complet
+
+```plantuml
+@startuml
+!include opencloud.puml
+
+WorkflowEvent(e1, "Start")
+
+Data(d1, "Satellites L2A") ' type: raster, open_data: true, size: 120.5, source: https://catalogue.example.com, country: FR
+
+Processing(p1, "NDVI") ' infrastructure: 0, open_source: true, license: MIT, access.container.image: myrepo/ndvi:1.2
+
+Storage(s1, "Minio résultats") ' source: http://minio.example.com:9000, path: /results, access_protocol: s3, encryption: true, size: 500, country: FR
+
+ComputeUnit(c1, "DC Rennes") ' source: https://api.dc.example.com, infrastructure: 1, country: FR, location.latitude: 48.11, location.longitude: -1.68
+
+e1 --> p1
+d1 --> p1
+p1 --> s1 ' storage_link_infos.write: true, storage_link_infos.filename: ndvi.tif
+s1 --> c1
+
+@enduml
+```
+
+---
+
+## Récapitulatif des types de ressources
+
+| Mot-clé PlantUML | Type Go | Instance | Live | Commentaire |
+|---|---|---|---|---|
+| `Data` | `DataResource` | `DataInstance` | non | oui |
+| `Processing` | `ProcessingResource` | `ProcessingInstance` | non | oui |
+| `Storage` | `StorageResource` | `StorageResourceInstance` | oui → `LiveStorage` | oui |
+| `ComputeUnit` | `ComputeResource` | `ComputeResourceInstance` | oui → `LiveDatacenter` | oui |
+| `WorkflowEvent` | `NativeTool` (Kind=WORKFLOW_EVENT) | aucune | non | non |

logs/lokiwriter.go

@@ -58,14 +58,13 @@ func (w *LokiWriter) Write(p []byte) (n int, err error) {
 	// Add label that have been added to the event
 	// A bit unsafe since we don't know what could be stored in the event
 	// but we can't access this object once passed to the multilevel writter
-	
-	for k,v := range(event){
-		if k != "level" && k != "time" && k != "message"{
-			labels[k] = v.(string)
+
+	for k, v := range event {
+		if k != "level" && k != "time" && k != "message" {
+			labels[k] = fmt.Sprintf("%v", v)
 		}
 	}
 
-
 	// Format the timestamp in nanoseconds
 	timestamp := fmt.Sprintf("%d000000", time.Now().UnixNano()/int64(time.Millisecond))
 
@@ -87,7 +86,7 @@ func (w *LokiWriter) Write(p []byte) (n int, err error) {
 
 	//fmt.Printf("Sending payload to Loki: %s\n", string(payloadBytes))
 
-	req, err := http.NewRequest("POST", w.url + "/loki/api/v1/push", bytes.NewReader(payloadBytes))
+	req, err := http.NewRequest("POST", w.url+"/loki/api/v1/push", bytes.NewReader(payloadBytes))
 	if err != nil {
 		return 0, fmt.Errorf("failed to create HTTP request: %w", err)
 	}

models/bill/bill.go

@@ -2,12 +2,12 @@ package bill
 
 import (
 	"encoding/json"
-	"fmt"
 	"sync"
 	"time"
 
 	"cloud.o-forge.io/core/oc-lib/dbs"
 	"cloud.o-forge.io/core/oc-lib/models/common/enum"
+	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
 	"cloud.o-forge.io/core/oc-lib/models/order"
 	"cloud.o-forge.io/core/oc-lib/models/peer"
 	"cloud.o-forge.io/core/oc-lib/models/resources"
@@ -49,9 +49,10 @@ func DraftFirstBill(order *order.Order, request *tools.APIRequest) (*Bill, error
 			peers[p.DestPeerID] = []*PeerItemOrder{}
 		}
 		peers[p.DestPeerID] = append(peers[p.DestPeerID], &PeerItemOrder{
-			Purchase: p,
-			Item:     p.PricedItem,
-			Quantity: 1,
+			ResourceType: p.ResourceType,
+			Purchase:     p,
+			Item:         p.PricedItem,
+			Quantity:     1,
 		})
 	}
 	for _, b := range order.Bookings {
@@ -70,7 +71,9 @@ func DraftFirstBill(order *order.Order, request *tools.APIRequest) (*Bill, error
 			peers[b.DestPeerID] = []*PeerItemOrder{}
 		}
 		peers[b.DestPeerID] = append(peers[b.DestPeerID], &PeerItemOrder{
-			Item: b.PricedItem,
+			ResourceType: b.ResourceType,
+			Quantity:     1,
+			Item:         b.PricedItem,
 		})
 	}
 	peerOrders := map[string]*PeerOrder{}
@@ -136,6 +139,22 @@ type PeerOrder struct {
 	Total          float64               `json:"total,omitempty" bson:"total,omitempty"`
 }
 
+func PricedByType(dt tools.DataType) pricing.PricedItemITF {
+	switch dt {
+	case tools.PROCESSING_RESOURCE:
+		return &resources.PricedProcessingResource{}
+	case tools.STORAGE_RESOURCE:
+		return &resources.PricedStorageResource{}
+	case tools.DATA_RESOURCE:
+		return &resources.PricedDataResource{}
+	case tools.COMPUTE_RESOURCE:
+		return &resources.PricedComputeResource{}
+	case tools.WORKFLOW_RESOURCE:
+		return &resources.PricedResource[*pricing.ExploitPricingProfile[pricing.TimePricingStrategy]]{}
+	}
+	return nil
+}
+
 func (d *PeerOrder) Pay(request *tools.APIRequest, response chan *PeerOrder, wg *sync.WaitGroup) {
 
 	d.Status = enum.PENDING
@@ -145,7 +164,7 @@ func (d *PeerOrder) Pay(request *tools.APIRequest, response chan *PeerOrder, wg
 		d.Status = enum.PAID // TO REMOVE LATER IT'S A MOCK
 		if d.Status == enum.PAID {
 			for _, b := range d.Items {
-				var priced *resources.PricedResource
+				priced := PricedByType(b.ResourceType)
 				bb, _ := json.Marshal(b.Item)
 				json.Unmarshal(bb, priced)
 				if !priced.IsPurchasable() {
@@ -179,9 +198,10 @@ func (d *PeerOrder) SumUpBill(request *tools.APIRequest) error {
 }
 
 type PeerItemOrder struct {
-	Quantity int                                 `json:"quantity,omitempty" bson:"quantity,omitempty"`
-	Purchase *purchase_resource.PurchaseResource `json:"purchase,omitempty" bson:"purchase,omitempty"`
-	Item     map[string]interface{}              `json:"item,omitempty" bson:"item,omitempty"`
+	ResourceType tools.DataType                      `json:"datatype,omitempty" bson:"datatype,omitempty"`
+	Quantity     int                                 `json:"quantity,omitempty" bson:"quantity,omitempty"`
+	Purchase     *purchase_resource.PurchaseResource `json:"purchase,omitempty" bson:"purchase,omitempty"`
+	Item         map[string]interface{}              `json:"item,omitempty" bson:"item,omitempty"`
 }
 
 func (d *PeerItemOrder) GetPriceHT(request *tools.APIRequest) (float64, error) {
@@ -190,11 +210,10 @@ func (d *PeerItemOrder) GetPriceHT(request *tools.APIRequest) (float64, error) {
 		return 0, nil
 	}
 	///////////
-	var priced *resources.PricedResource
+	priced := PricedByType(d.ResourceType)
 	b, _ := json.Marshal(d.Item)
 	err := json.Unmarshal(b, priced)
 	if err != nil {
-		fmt.Println(err)
 		return 0, err
 	}
 	accessor := purchase_resource.NewAccessor(request)

models/booking/booking.go

@@ -3,12 +3,10 @@ package booking
 import (
 	"time"
 
-	"cloud.o-forge.io/core/oc-lib/dbs"
 	"cloud.o-forge.io/core/oc-lib/models/common/enum"
 	"cloud.o-forge.io/core/oc-lib/models/common/models"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
 	"cloud.o-forge.io/core/oc-lib/tools"
-	"go.mongodb.org/mongo-driver/bson/primitive"
 )
 
 /*
@@ -38,8 +36,7 @@ type Booking struct {
 
 	// Authorization: identifies who created this draft and the Check session it belongs to.
 	// Used to verify UPDATE and DELETE orders from remote schedulers.
-	SchedulerPeerID     string `json:"scheduler_peer_id,omitempty" bson:"scheduler_peer_id,omitempty"`
-	SchedulingSessionID string `json:"scheduling_session_id,omitempty" bson:"scheduling_session_id,omitempty"`
+	SchedulerPeerID string `json:"scheduler_peer_id,omitempty" bson:"scheduler_peer_id,omitempty"`
 }
 
 func (b *Booking) CalcDeltaOfExecution() map[string]map[string]models.MetricResume {
@@ -69,40 +66,15 @@ func (b *Booking) CalcDeltaOfExecution() map[string]map[string]models.MetricResu
 	return m
 }
 
-// CheckBooking checks if a booking is possible on a specific compute resource
-func (wfa *Booking) Check(id string, start time.Time, end *time.Time, parrallelAllowed int) (bool, error) {
-	// check if
-	if end == nil {
-		// if no end... then Book like a savage
-		e := start.Add(time.Hour)
-		end = &e
-	}
-	accessor := NewAccessor(nil)
-	res, code, err := accessor.Search(&dbs.Filters{
-		And: map[string][]dbs.Filter{ // check if there is a booking on the same compute resource by filtering on the compute_resource_id, the state and the execution date
-			"resource_id": {{Operator: dbs.EQUAL.String(), Value: id}},
-			"state":       {{Operator: dbs.EQUAL.String(), Value: enum.DRAFT.EnumIndex()}},
-			"expected_start_date": {
-				{Operator: dbs.LTE.String(), Value: primitive.NewDateTimeFromTime(*end)},
-				{Operator: dbs.GTE.String(), Value: primitive.NewDateTimeFromTime(start)},
-			},
-		},
-	}, "", wfa.IsDraft)
-	if code != 200 {
-		return false, err
-	}
-	return len(res) <= parrallelAllowed, nil
-}
-
 func (d *Booking) GetDelayForLaunch() time.Duration {
 	return d.RealStartDate.Sub(d.ExpectedStartDate)
 }
 
 func (d *Booking) GetDelayForFinishing() time.Duration {
-	if d.ExpectedEndDate == nil {
+	if d.ExpectedEndDate == nil || d.RealEndDate == nil {
 		return time.Duration(0)
 	}
-	return d.RealEndDate.Sub(d.ExpectedStartDate)
+	return d.RealEndDate.Sub(*d.ExpectedEndDate)
 }
 
 func (d *Booking) GetUsualDuration() time.Duration {
@@ -134,14 +106,20 @@ func (r *Booking) StoreDraftDefault() {
 }
 
 func (r *Booking) CanUpdate(set utils.DBObject) (bool, utils.DBObject) {
-	if !r.IsDraft && r.State != set.(*Booking).State || r.RealStartDate != set.(*Booking).RealStartDate || r.RealEndDate != set.(*Booking).RealEndDate {
-		return true, &Booking{
-			State:         set.(*Booking).State,
-			RealStartDate: set.(*Booking).RealStartDate,
-			RealEndDate:   set.(*Booking).RealEndDate,
-		} // only state can be updated
+	incoming := set.(*Booking)
+	if !r.IsDraft && r.State != incoming.State || r.RealStartDate != incoming.RealStartDate || r.RealEndDate != incoming.RealEndDate {
+		patch := &Booking{
+			State:         incoming.State,
+			RealStartDate: incoming.RealStartDate,
+			RealEndDate:   incoming.RealEndDate,
+		}
+		// Auto-set RealStartDate when transitioning to STARTED and not already set
+		if r.State != enum.STARTED && incoming.State == enum.STARTED && patch.RealStartDate == nil {
+			now := time.Now()
+			patch.RealStartDate = &now
+		}
+		return true, patch
 	}
-	// TODO : HERE WE CAN HANDLE THE CASE WHERE THE BOOKING IS DELAYED OR EXCEEDING OR ending sooner
 	return r.IsDraft, set
 }
 

models/booking/planner/planner.go

@@ -2,9 +2,12 @@ package planner
 
 import (
 	"encoding/json"
+	"sort"
 	"time"
 
+	"cloud.o-forge.io/core/oc-lib/dbs"
 	"cloud.o-forge.io/core/oc-lib/models/booking"
+	"cloud.o-forge.io/core/oc-lib/models/common/enum"
 	"cloud.o-forge.io/core/oc-lib/models/resources"
 	"cloud.o-forge.io/core/oc-lib/tools"
 )
@@ -37,6 +40,12 @@ type PlannerSlot struct {
 	Usage      map[string]float64 `json:"usage,omitempty"`       // dimension -> % of max (0-100)
 }
 
+// PlannerITF is the interface used by Planify to check resource availability.
+// *Planner satisfies this interface.
+type PlannerITF interface {
+	NextAvailableStart(resourceID, instanceID string, start time.Time, d time.Duration) time.Time
+}
+
 // Planner is a volatile (non-persisted) object that organises bookings by resource.
 // Only ComputeResource and StorageResource bookings appear in the schedule.
 type Planner struct {
@@ -61,11 +70,19 @@ func generate(request *tools.APIRequest, shallow bool) (*Planner, error) {
 	// Include both confirmed (IsDraft=false) and draft (IsDraft=true) bookings
 	// so the planner reflects the full picture: first-come first-served on all
 	// pending reservations regardless of confirmation state.
-	confirmed, code, err := accessor.Search(nil, "*", false)
+	confirmed, code, err := accessor.Search(&dbs.Filters{
+		And: map[string][]dbs.Filter{
+			"expected_start_date": {{Operator: dbs.GTE.String(), Value: time.Now().UTC()}},
+		},
+	}, "*", false)
 	if code != 200 || err != nil {
 		return nil, err
 	}
-	drafts, _, _ := accessor.Search(nil, "*", true)
+	drafts, _, _ := accessor.Search(&dbs.Filters{
+		And: map[string][]dbs.Filter{
+			"expected_start_date": {{Operator: dbs.GTE.String(), Value: time.Now().UTC()}},
+		},
+	}, "*", true)
 	bookings := append(confirmed, drafts...)
 
 	p := &Planner{
@@ -77,6 +94,12 @@ func generate(request *tools.APIRequest, shallow bool) (*Planner, error) {
 	for _, b := range bookings {
 		bk := b.(*booking.Booking)
 
+		// Skip terminal bookings — they no longer occupy capacity.
+		switch bk.State {
+		case enum.SUCCESS, enum.FAILURE, enum.FORGOTTEN, enum.CANCELLED:
+			continue
+		}
+
 		// Only compute and storage resources are eligible
 		if bk.ResourceType != tools.COMPUTE_RESOURCE && bk.ResourceType != tools.STORAGE_RESOURCE {
 			continue
@@ -84,11 +107,14 @@ func generate(request *tools.APIRequest, shallow bool) (*Planner, error) {
 
 		end := bk.ExpectedEndDate
 		if end == nil {
-			e := bk.ExpectedStartDate.Add(time.Hour)
+			e := bk.ExpectedStartDate.UTC().Add(5 * time.Minute)
 			end = &e
 		}
 
 		instanceID, usage, cap := extractSlotData(bk, request)
+		if instanceID == "" {
+			instanceID = bk.InstanceID
+		}
 
 		if cap != nil && instanceID != "" {
 			if p.Capacities[bk.ResourceID] == nil {
@@ -126,7 +152,7 @@ func generate(request *tools.APIRequest, shallow bool) (*Planner, error) {
 // If no capacity is known for this instance (never booked), it is fully available.
 func (p *Planner) Check(resourceID string, instanceID string, req *ResourceRequest, start time.Time, end *time.Time) bool {
 	if end == nil {
-		e := start.Add(time.Hour)
+		e := start.Add(5 * time.Minute)
 		end = &e
 	}
 
@@ -137,7 +163,6 @@ func (p *Planner) Check(resourceID string, instanceID string, req *ResourceReque
 	if !ok {
 		return true
 	}
-
 	for _, slot := range slots {
 		// Only consider slots on the same instance
 		if slot.InstanceID != instanceID {
@@ -147,9 +172,13 @@ func (p *Planner) Check(resourceID string, instanceID string, req *ResourceReque
 		if !slot.Start.Before(*end) || !slot.End.After(start) {
 			continue
 		}
+		// If capacity is unknown (reqPct empty), any overlap blocks the slot.
+		if len(reqPct) == 0 {
+			return false
+		}
 		// Combined usage must not exceed 100 % for any requested dimension
 		for dim, needed := range reqPct {
-			if slot.Usage[dim]+needed > 100.0 {
+			if slot.Usage[dim]+needed >= 100.0 {
 				return false
 			}
 		}
@@ -255,7 +284,6 @@ func extractSlotData(bk *booking.Booking, request *tools.APIRequest) (instanceID
 	if err != nil {
 		return
 	}
-
 	switch bk.ResourceType {
 	case tools.COMPUTE_RESOURCE:
 		instanceID, usage, cap = extractComputeSlot(b, bk.ResourceID, request)
@@ -437,3 +465,34 @@ func totalRAM(instance *resources.ComputeResourceInstance) float64 {
 	}
 	return total
 }
+
+// NextAvailableStart returns the earliest time >= start when resourceID/instanceID has a
+// free window of duration d. Slots are scanned in order so a single linear pass suffices.
+// If the planner has no slots for this resource/instance, start is returned unchanged.
+func (p *Planner) NextAvailableStart(resourceID, instanceID string, start time.Time, d time.Duration) time.Time {
+	slots := p.Schedule[resourceID]
+	if len(slots) == 0 {
+		return start
+	}
+	// Collect and sort slots for this instance by start time.
+	relevant := make([]*PlannerSlot, 0, len(slots))
+	for _, s := range slots {
+		if s.InstanceID == instanceID {
+			relevant = append(relevant, s)
+		}
+	}
+	sort.Slice(relevant, func(i, j int) bool { return relevant[i].Start.Before(relevant[j].Start) })
+
+	end := start.Add(d)
+	for _, slot := range relevant {
+		if !slot.Start.Before(end) {
+			break // all remaining slots start after our window — done
+		}
+		if slot.End.After(start) {
+			// conflict: push start to after this slot
+			start = slot.End
+			end = start.Add(d)
+		}
+	}
+	return start
+}

models/booking/tests/booking_test.go

@@ -13,8 +13,8 @@ import (
 )
 
 func TestBooking_GetDurations(t *testing.T) {
-	start := time.Now().Add(-2 * time.Hour)
-	end := start.Add(1 * time.Hour)
+	start := time.Now().Add(-10 * time.Minute)
+	end := start.Add(5 * time.Minute)
 	realStart := start.Add(30 * time.Minute)
 	realEnd := realStart.Add(90 * time.Minute)
 

models/collaborative_area/collaborative_area_mongo_accessor.go

@@ -92,7 +92,6 @@ func filterEnrich[T utils.ShallowDBObject](arr []string, isDrafted bool, a utils
 			"abstractobject.id": {{Operator: dbs.IN.String(), Value: arr}},
 		},
 	}, "", isDrafted)
-	fmt.Println(res, arr, isDrafted, a)
 	if code == 200 {
 		for _, r := range res {
 			new = append(new, r.(T))

models/common/planner.go

@@ -7,36 +7,36 @@ import (
 	"cloud.o-forge.io/core/oc-lib/tools"
 )
 
-func GetPlannerNearestStart(start time.Time, planned map[tools.DataType]map[string]pricing.PricedItemITF, request *tools.APIRequest) float64 {
-	near := float64(10000000000)    // set a high value
+func GetPlannerNearestStart(start time.Time, planned map[tools.DataType]map[string]pricing.PricedItemITF) float64 {
+	near := float64(-1)             // unset sentinel
 	for _, items := range planned { // loop through the planned items
 		for _, priced := range items { // loop through the priced items
 			if priced.GetLocationStart() == nil { // if the start is nil,
 				continue // skip the iteration
 			}
-			newS := priced.GetLocationStart()     // get the start
-			if newS.Sub(start).Seconds() < near { // if the difference between the start and the new start is less than the nearest start
-				near = newS.Sub(start).Seconds()
+			newS := priced.GetLocationStart() // get the start
+			diff := newS.Sub(start).Seconds() // get the difference
+			if near < 0 || diff < near {      // if the difference is less than the nearest start
+				near = diff
 			}
 		}
 	}
+	if near < 0 {
+		return 0 // no items found, start at the given start time
+	}
 	return near
 }
 
-func GetPlannerLongestTime(end *time.Time, planned map[tools.DataType]map[string]pricing.PricedItemITF, request *tools.APIRequest) float64 {
-	if end == nil {
-		return -1
-	}
+// GetPlannerLongestTime returns the sum of all processing durations (conservative estimate).
+// Returns -1 if any processing is a service (open-ended).
+func GetPlannerLongestTime(planned map[tools.DataType]map[string]pricing.PricedItemITF) float64 {
 	longestTime := float64(0)
 	for _, priced := range planned[tools.PROCESSING_RESOURCE] {
-		if priced.GetLocationEnd() == nil {
-			continue
+		d := priced.GetExplicitDurationInS()
+		if d < 0 {
+			return -1 // service present: booking is open-ended
 		}
-		newS := priced.GetLocationEnd()
-		if end == nil && longestTime < newS.Sub(*end).Seconds() {
-			longestTime = newS.Sub(*end).Seconds()
-		}
-		// get the nearest start from start var
+		longestTime += d
 	}
 	return longestTime
 }

models/common/pricing/pricing_strategy.go

@@ -112,7 +112,7 @@ func getAverageTimeInSecond(averageTimeInSecond float64, start time.Time, end *t
 	fromAverageDuration := after.Sub(now).Seconds()
 	var tEnd time.Time
 	if end == nil {
-		tEnd = start.Add(1 * time.Hour)
+		tEnd = start.Add(5 * time.Minute)
 	} else {
 		tEnd = *end
 	}

models/common/pricing/tests/pricing_test.go

@@ -63,7 +63,7 @@ func Test_getAverageTimeInSecond_WithoutEnd(t *testing.T) {
 
 func TestBookingEstimation(t *testing.T) {
 	start := time.Now()
-	end := start.Add(2 * time.Hour)
+	end := start.Add(10 * time.Minute)
 	strategies := map[pricing.TimePricingStrategy]float64{
 		pricing.ONCE:       50,
 		pricing.PER_HOUR:   10,
@@ -102,7 +102,7 @@ func TestPricingStrategy_Getters(t *testing.T) {
 
 func TestPricingStrategy_GetPriceHT(t *testing.T) {
 	start := time.Now()
-	end := start.Add(1 * time.Hour)
+	end := start.Add(5 * time.Minute)
 
 	// SUBSCRIPTION case
 	ps := pricing.PricingStrategy[DummyStrategy]{

models/live/live.go

@@ -63,7 +63,7 @@ func (r *AbstractLive) GetResourceType() tools.DataType {
 }
 
 func (r *AbstractLive) StoreDraftDefault() {
-	r.IsDraft = true
+	r.IsDraft = false
 }
 
 func (r *AbstractLive) CanDelete() bool {

models/live/live_mongo_accessor.go

@@ -9,13 +9,13 @@ import (
 	"cloud.o-forge.io/core/oc-lib/tools"
 )
 
-type computeUnitsMongoAccessor[T LiveInterface] struct {
+type liveMongoAccessor[T LiveInterface] struct {
 	utils.AbstractAccessor[LiveInterface] // AbstractAccessor contains the basic fields of an accessor (model, caller)
 }
 
 // New creates a new instance of the computeUnitsMongoAccessor
-func NewAccessor[T LiveInterface](t tools.DataType, request *tools.APIRequest) *computeUnitsMongoAccessor[T] {
-	return &computeUnitsMongoAccessor[T]{
+func NewAccessor[T LiveInterface](t tools.DataType, request *tools.APIRequest) *liveMongoAccessor[T] {
+	return &liveMongoAccessor[T]{
 		AbstractAccessor: utils.AbstractAccessor[LiveInterface]{
 			Logger:  logs.CreateLogger(t.String()), // Create a logger with the data type
 			Request: request,
@@ -36,15 +36,15 @@ func NewAccessor[T LiveInterface](t tools.DataType, request *tools.APIRequest) *
 /*
 * Nothing special here, just the basic CRUD operations
  */
-func (a *computeUnitsMongoAccessor[T]) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+func (a *liveMongoAccessor[T]) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
 	// is a publisher... that become a resources.
 	if data.IsDrafted() {
 		return nil, 422, errors.New("can't publish a drafted compute units")
 	}
 	live := data.(T)
-	if live.GetMonitorPath() == "" || live.GetID() != "" {
+	/*if live.GetMonitorPath() == "" || live.GetID() != "" {
 		return nil, 422, errors.New("publishing is only allowed is it can be monitored and be accessible")
-	}
+	}*/
 	if res, code, err := a.LoadOne(live.GetID()); err != nil {
 		return nil, code, err
 	} else {
@@ -57,7 +57,6 @@ func (a *computeUnitsMongoAccessor[T]) CopyOne(data utils.DBObject) (utils.DBObj
 
 	if len(live.GetResourcesID()) > 0 {
 		for _, r := range live.GetResourcesID() {
-			// TODO dependent of a existing resource
 			res, code, err := resAccess.LoadOne(r)
 			if err == nil {
 				return nil, code, err
@@ -78,7 +77,7 @@ func (a *computeUnitsMongoAccessor[T]) CopyOne(data utils.DBObject) (utils.DBObj
 		b, _ := json.Marshal(live)
 		json.Unmarshal(b, &r)
 		live.SetResourceInstance(r, instance)
-		res, code, err := resAccess.StoreOne(r)
+		res, code, err := utils.GenericStoreOne(r, resAccess)
 		if err != nil {
 			return nil, code, err
 		}

models/order/order.go

@@ -17,10 +17,10 @@ import (
 
 type Order struct {
 	utils.AbstractObject
-	ExecutionsID string                                `json:"executions_id" bson:"executions_id" validate:"required"`
-	Status       enum.CompletionStatus                 `json:"status" bson:"status" default:"0"`
-	Purchases    []*purchase_resource.PurchaseResource `json:"purchases" bson:"purchases"`
-	Bookings     []*booking.Booking                    `json:"bookings" bson:"bookings"`
+	ExecutionsID string `json:"executions_id" bson:"executions_id" validate:"required"`
+	Status              enum.CompletionStatus                 `json:"status" bson:"status" default:"0"`
+	Purchases           []*purchase_resource.PurchaseResource `json:"purchases" bson:"purchases"`
+	Bookings            []*booking.Booking                    `json:"bookings" bson:"bookings"`
 
 	Billing map[pricing.BillingStrategy][]*booking.Booking `json:"billing" bson:"billing"`
 }

models/peer/peer_cache.go

@@ -41,7 +41,6 @@ func CheckPeerStatus(peerID string, appName string) (*Peer, bool) {
 		return nil, false
 	}
 	url := urlFormat(res.(*Peer).APIUrl, tools.PEER) + "/status" // Format the URL
-	fmt.Println(url)
 	state, services := api.CheckRemotePeer(url)
 	res.(*Peer).ServicesState = services                              // Update the services states of the peer
 	access.UpdateOne(res.Serialize(res), peerID)                      // Update the peer in the db

models/resources/compute.go

@@ -36,11 +36,11 @@ func (abs *ComputeResource) ConvertToPricedResource(t tools.DataType, selectedIn
 	if t != tools.COMPUTE_RESOURCE {
 		return nil, errors.New("not the proper type expected : cannot convert to priced resource : have " + t.String() + " wait Compute")
 	}
-	p, err := abs.AbstractInstanciatedResource.ConvertToPricedResource(t, selectedInstance, selectedPartnership, selectedBuyingStrategy, selectedStrategy, selectedBookingModeIndex, request)
+	p, err := ConvertToPricedResource[*ComputeResourcePricingProfile](t, selectedInstance, selectedPartnership, selectedBuyingStrategy, selectedStrategy, selectedBookingModeIndex, abs, request)
 	if err != nil {
 		return nil, err
 	}
-	priced := p.(*PricedResource)
+	priced := p.(*PricedResource[*ComputeResourcePricingProfile])
 	return &PricedComputeResource{
 		PricedResource: *priced,
 	}, nil
@@ -122,7 +122,10 @@ func (p *ComputeResourcePricingProfile) GetPriceHT(amountOfData float64, explici
 		return 0, errors.New("params must be set")
 	}
 	pp := float64(0)
-	model := params[1]
+	model := ""
+	if len(params) > 1 {
+		model = params[1]
+	}
 	if strings.Contains(params[0], "cpus") && len(params) > 1 {
 		if _, ok := p.CPUsPrices[model]; ok {
 			p.Pricing.Price = p.CPUsPrices[model]
@@ -158,18 +161,35 @@ func (p *ComputeResourcePricingProfile) GetPriceHT(amountOfData float64, explici
 }
 
 type PricedComputeResource struct {
-	PricedResource
+	PricedResource[*ComputeResourcePricingProfile]
 
 	CPUsLocated map[string]float64 `json:"cpus_in_use" bson:"cpus_in_use"` // CPUsInUse is the list of CPUs in use
 	GPUsLocated map[string]float64 `json:"gpus_in_use" bson:"gpus_in_use"` // GPUsInUse is the list of GPUs in use
 	RAMLocated  float64            `json:"ram_in_use" bson:"ram_in_use"`   // RAMInUse is the RAM in use
 }
 
+func (r *PricedComputeResource) ensurePricing() {
+	if r.SelectedPricing == nil {
+		r.SelectedPricing = &ComputeResourcePricingProfile{}
+	}
+}
+
+func (r *PricedComputeResource) IsPurchasable() bool {
+	r.ensurePricing()
+	return r.SelectedPricing.IsPurchasable()
+}
+
+func (r *PricedComputeResource) IsBooked() bool {
+	r.ensurePricing()
+	return r.SelectedPricing.IsBooked()
+}
+
 func (r *PricedComputeResource) GetType() tools.DataType {
 	return tools.COMPUTE_RESOURCE
 }
 
 func (r *PricedComputeResource) GetPriceHT() (float64, error) {
+	r.ensurePricing()
 	if r.BookingConfiguration == nil {
 		r.BookingConfiguration = &BookingConfiguration{}
 	}
@@ -178,12 +198,9 @@ func (r *PricedComputeResource) GetPriceHT() (float64, error) {
 		r.BookingConfiguration.UsageStart = &now
 	}
 	if r.BookingConfiguration.UsageEnd == nil {
-		add := r.BookingConfiguration.UsageStart.Add(time.Duration(1 * time.Hour))
+		add := r.BookingConfiguration.UsageStart.Add(time.Duration(5 * time.Minute))
 		r.BookingConfiguration.UsageEnd = &add
 	}
-	if r.SelectedPricing == nil {
-		return 0, errors.New("pricing profile must be set on Priced Compute" + r.ResourceID)
-	}
 	pricing := r.SelectedPricing
 	price := float64(0)
 	for _, l := range []map[string]float64{r.CPUsLocated, r.GPUsLocated} {

models/resources/data.go

@@ -41,11 +41,11 @@ func (abs *DataResource) ConvertToPricedResource(t tools.DataType, selectedInsta
 	if t != tools.DATA_RESOURCE {
 		return nil, errors.New("not the proper type expected : cannot convert to priced resource : have " + t.String() + " wait Data")
 	}
-	p, err := abs.AbstractInstanciatedResource.ConvertToPricedResource(t, selectedInstance, selectedPartnership, selectedBuyingStrategy, selectedStrategy, selectedBookingModeIndex, request)
+	p, err := ConvertToPricedResource[*DataResourcePricingProfile](t, selectedInstance, selectedPartnership, selectedBuyingStrategy, selectedStrategy, selectedBookingModeIndex, abs, request)
 	if err != nil {
 		return nil, err
 	}
-	priced := p.(*PricedResource)
+	priced := p.(*PricedResource[*DataResourcePricingProfile])
 	return &PricedDataResource{
 		PricedResource: *priced,
 	}, nil
@@ -160,15 +160,32 @@ func (p *DataResourcePricingProfile) IsBooked() bool {
 }
 
 type PricedDataResource struct {
-	PricedResource
+	PricedResource[*DataResourcePricingProfile]
 	UsageStorageGB float64 `json:"storage_gb,omitempty" bson:"storage_gb,omitempty"`
 }
 
+func (r *PricedDataResource) ensurePricing() {
+	if r.SelectedPricing == nil {
+		r.SelectedPricing = &DataResourcePricingProfile{}
+	}
+}
+
+func (r *PricedDataResource) IsPurchasable() bool {
+	r.ensurePricing()
+	return r.SelectedPricing.IsPurchasable()
+}
+
+func (r *PricedDataResource) IsBooked() bool {
+	r.ensurePricing()
+	return r.SelectedPricing.IsBooked()
+}
+
 func (r *PricedDataResource) GetType() tools.DataType {
 	return tools.DATA_RESOURCE
 }
 
 func (r *PricedDataResource) GetPriceHT() (float64, error) {
+	r.ensurePricing()
 	if r.BookingConfiguration == nil {
 		r.BookingConfiguration = &BookingConfiguration{}
 	}
@@ -177,12 +194,9 @@ func (r *PricedDataResource) GetPriceHT() (float64, error) {
 		r.BookingConfiguration.UsageStart = &now
 	}
 	if r.BookingConfiguration.UsageEnd == nil {
-		add := r.BookingConfiguration.UsageStart.Add(time.Duration(1 * time.Hour))
+		add := r.BookingConfiguration.UsageStart.Add(time.Duration(5 * time.Minute))
 		r.BookingConfiguration.UsageEnd = &add
 	}
-	if r.SelectedPricing == nil {
-		return 0, errors.New("pricing profile must be set on Priced Data" + r.ResourceID)
-	}
 	pricing := r.SelectedPricing
 	var err error
 	amountOfData := float64(1)

models/resources/interfaces.go

@@ -8,6 +8,10 @@ import (
 	"cloud.o-forge.io/core/oc-lib/tools"
 )
 
+type PricedResourceITF interface {
+	pricing.PricedItemITF
+}
+
 type ResourceInterface interface {
 	utils.DBObject
 	FilterPeer(peerID string) *dbs.Filters
@@ -15,7 +19,7 @@ type ResourceInterface interface {
 	ConvertToPricedResource(t tools.DataType, a *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, b *int, request *tools.APIRequest) (pricing.PricedItemITF, error)
 	GetType() string
 	ClearEnv() utils.DBObject
-	SetAllowedInstances(request *tools.APIRequest, instance_id ...string)
+	SetAllowedInstances(request *tools.APIRequest, instance_id ...string) []ResourceInstanceITF
 	AddInstances(instance ResourceInstanceITF)
 	GetSelectedInstance(index *int) ResourceInstanceITF
 }
@@ -31,6 +35,8 @@ type ResourceInstanceITF interface {
 	GetPricingsProfiles(peerID string, groups []string) []pricing.PricingProfileITF
 	GetPeerGroups() ([]ResourcePartnerITF, []map[string][]string)
 	ClearPeerGroups()
+	GetAverageDurationS() float64
+	UpdateAverageDuration(actualS float64)
 }
 
 type ResourcePartnerITF interface {

models/resources/native_tools.go

@@ -37,12 +37,13 @@ func (d *NativeTool) ClearEnv() utils.DBObject {
 	return d
 }
 
-func (w *NativeTool) SetAllowedInstances(request *tools.APIRequest, ids ...string) {
+func (w *NativeTool) SetAllowedInstances(request *tools.APIRequest, ids ...string) []ResourceInstanceITF {
 	/* EMPTY */
+	return []ResourceInstanceITF{}
 }
 
 func (w *NativeTool) ConvertToPricedResource(t tools.DataType, selectedInstance *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, selectedBookingModeIndex *int, request *tools.APIRequest) (pricing.PricedItemITF, error) {
-	return &PricedResource{
+	return &PricedResource[*pricing.ExploitPricingProfile[pricing.TimePricingStrategy]]{
 		Name:         w.Name,
 		Logo:         w.Logo,
 		ResourceID:   w.UUID,

models/resources/priced_resource.go

@@ -16,11 +16,11 @@ type BookingConfiguration struct {
 	Mode                     booking.BookingMode `json:"mode,omitempty" bson:"mode,omitempty"`
 }
 
-type PricedResource struct {
+type PricedResource[T pricing.PricingProfileITF] struct {
 	Name                 string                      `json:"name,omitempty" bson:"name,omitempty"`
 	Logo                 string                      `json:"logo,omitempty" bson:"logo,omitempty"`
 	InstancesRefs        map[string]string           `json:"instances_refs,omitempty" bson:"instances_refs,omitempty"`
-	SelectedPricing      pricing.PricingProfileITF   `json:"selected_pricing,omitempty" bson:"selected_pricing,omitempty"`
+	SelectedPricing      T                           `json:"selected_pricing,omitempty" bson:"selected_pricing,omitempty"`
 	Quantity             int                         `json:"quantity,omitempty" bson:"quantity,omitempty"`
 	BookingConfiguration *BookingConfiguration       `json:"booking_configuration,omitempty" bson:"booking_configuration,omitempty"`
 	Variations           []*pricing.PricingVariation `json:"pricing_variations" bson:"pricing_variations"`
@@ -31,101 +31,107 @@ type PricedResource struct {
 	ResourceType tools.DataType `json:"resource_type,omitempty" bson:"resource_type,omitempty"`
 }
 
-func (abs *PricedResource) GetQuantity() int {
+func (abs *PricedResource[T]) GetQuantity() int {
 	return abs.Quantity
 }
 
-func (abs *PricedResource) AddQuantity(amount int) {
+func (abs *PricedResource[T]) AddQuantity(amount int) {
 	abs.Quantity += amount
 }
 
-func (abs *PricedResource) SelectPricing() pricing.PricingProfileITF {
+func (abs *PricedResource[T]) SelectPricing() pricing.PricingProfileITF {
 	return abs.SelectedPricing
 }
 
-func (abs *PricedResource) GetID() string {
+func (abs *PricedResource[T]) GetID() string {
 	return abs.ResourceID
 }
 
-func (abs *PricedResource) GetInstanceID() string {
+func (abs *PricedResource[T]) GetInstanceID() string {
 	return abs.InstanceID
 }
 
-func (abs *PricedResource) GetType() tools.DataType {
+func (abs *PricedResource[T]) GetType() tools.DataType {
 	return abs.ResourceType
 }
 
-func (abs *PricedResource) GetCreatorID() string {
+func (abs *PricedResource[T]) GetCreatorID() string {
 	return abs.CreatorID
 }
 
-func (abs *PricedResource) IsPurchasable() bool {
-	if abs.SelectedPricing == nil {
+// IsPurchasable and IsBooked fall back to false when SelectedPricing is a nil interface.
+// Concrete types (PricedComputeResource, etc.) override these and guarantee non-nil pricing.
+func (abs *PricedResource[T]) IsPurchasable() bool {
+	if any(abs.SelectedPricing) == nil {
 		return false
 	}
-	return (abs.SelectedPricing).IsPurchasable()
+	return abs.SelectedPricing.IsPurchasable()
 }
 
-func (abs *PricedResource) IsBooked() bool {
-	if abs.SelectedPricing == nil {
+func (abs *PricedResource[T]) IsBooked() bool {
+	if any(abs.SelectedPricing) == nil {
 		return false
 	}
-	return (abs.SelectedPricing).IsBooked()
+	return abs.SelectedPricing.IsBooked()
 }
 
-func (abs *PricedResource) GetLocationEnd() *time.Time {
+func (abs *PricedResource[T]) GetLocationEnd() *time.Time {
 	if abs.BookingConfiguration == nil {
 		return nil
 	}
 	return abs.BookingConfiguration.UsageEnd
 }
 
-func (abs *PricedResource) GetLocationStart() *time.Time {
+func (abs *PricedResource[T]) GetLocationStart() *time.Time {
 	if abs.BookingConfiguration == nil {
 		return nil
 	}
 	return abs.BookingConfiguration.UsageStart
 }
 
-func (abs *PricedResource) SetLocationStart(start time.Time) {
+func (abs *PricedResource[T]) SetLocationStart(start time.Time) {
 	if abs.BookingConfiguration == nil {
 		abs.BookingConfiguration = &BookingConfiguration{}
 	}
 	abs.BookingConfiguration.UsageStart = &start
 }
 
-func (abs *PricedResource) SetLocationEnd(end time.Time) {
+func (abs *PricedResource[T]) SetLocationEnd(end time.Time) {
 	if abs.BookingConfiguration == nil {
 		abs.BookingConfiguration = &BookingConfiguration{}
 	}
 	abs.BookingConfiguration.UsageEnd = &end
 }
 
-func (abs *PricedResource) GetBookingMode() booking.BookingMode {
+func (abs *PricedResource[T]) GetBookingMode() booking.BookingMode {
 	if abs.BookingConfiguration == nil {
 		return booking.WHEN_POSSIBLE
 	}
 	return abs.BookingConfiguration.Mode
 }
 
-func (abs *PricedResource) GetExplicitDurationInS() float64 {
+func (abs *PricedResource[T]) GetExplicitDurationInS() float64 {
 	if abs.BookingConfiguration == nil {
 		abs.BookingConfiguration = &BookingConfiguration{}
 	}
 	if abs.BookingConfiguration.ExplicitBookingDurationS == 0 {
 		if abs.BookingConfiguration.UsageEnd == nil && abs.BookingConfiguration.UsageStart == nil {
-			return time.Duration(1 * time.Hour).Seconds()
+			return (5 * time.Minute).Seconds()
 		}
 		if abs.BookingConfiguration.UsageEnd == nil {
-			add := abs.BookingConfiguration.UsageStart.Add(time.Duration(1 * time.Hour))
+			add := abs.BookingConfiguration.UsageStart.Add(5 * time.Minute)
 			abs.BookingConfiguration.UsageEnd = &add
 		}
-		return abs.BookingConfiguration.UsageEnd.Sub(*abs.BookingConfiguration.UsageStart).Seconds()
+		d := abs.BookingConfiguration.UsageEnd.Sub(*abs.BookingConfiguration.UsageStart).Seconds()
+		if d <= 0 {
+			return (5 * time.Minute).Seconds()
+		}
+		return d
 	}
 	return abs.BookingConfiguration.ExplicitBookingDurationS
 }
 
-func (r *PricedResource) GetPriceHT() (float64, error) {
+func (r *PricedResource[T]) GetPriceHT() (float64, error) {
 	now := time.Now()
 	if r.BookingConfiguration == nil {
 		r.BookingConfiguration = &BookingConfiguration{}
@@ -134,11 +140,11 @@ func (r *PricedResource) GetPriceHT() (float64, error) {
 		r.BookingConfiguration.UsageStart = &now
 	}
 	if r.BookingConfiguration.UsageEnd == nil {
-		add := r.BookingConfiguration.UsageStart.Add(time.Duration(1 * time.Hour))
+		add := r.BookingConfiguration.UsageStart.Add(time.Duration(5 * time.Minute))
 		r.BookingConfiguration.UsageEnd = &add
 	}
-	if r.SelectedPricing == nil {
-		return 0, errors.New("pricing profile must be set on Priced Resource " + r.ResourceID)
+	if any(r.SelectedPricing) == nil {
+		return 0, errors.New("pricing profile must be set for resource " + r.ResourceID)
 	}
 	pricing := r.SelectedPricing
 	return pricing.GetPriceHT(1, 0, *r.BookingConfiguration.UsageStart, *r.BookingConfiguration.UsageEnd, r.Variations)

models/resources/processing.go

@@ -1,6 +1,7 @@
 package resources
 
 import (
+	"errors"
 	"time"
 
 	"cloud.o-forge.io/core/oc-lib/models/common/enum"
@@ -65,10 +66,31 @@ type ProcessingResourcePartnership struct {
 }
 
 type PricedProcessingResource struct {
-	PricedResource
+	PricedResource[*ProcessingResourcePricingProfile]
 	IsService bool
 }
 
+func (r *PricedProcessingResource) ensurePricing() {
+	if r.SelectedPricing == nil {
+		r.SelectedPricing = &ProcessingResourcePricingProfile{}
+	}
+}
+
+func (r *PricedProcessingResource) IsPurchasable() bool {
+	r.ensurePricing()
+	return r.SelectedPricing.IsPurchasable()
+}
+
+func (r *PricedProcessingResource) IsBooked() bool {
+	r.ensurePricing()
+	return r.SelectedPricing.IsBooked()
+}
+
+func (r *PricedProcessingResource) GetPriceHT() (float64, error) {
+	r.ensurePricing()
+	return r.PricedResource.GetPriceHT()
+}
+
 func (r *PricedProcessingResource) GetType() tools.DataType {
 	return tools.PROCESSING_RESOURCE
 }
@@ -82,7 +104,7 @@ func (a *PricedProcessingResource) GetExplicitDurationInS() float64 {
 			if a.IsService {
 				return -1
 			}
-			return time.Duration(1 * time.Hour).Seconds()
+			return (5 * time.Minute).Seconds()
 		}
 		return a.BookingConfiguration.UsageEnd.Sub(*a.BookingConfiguration.UsageStart).Seconds()
 	}
@@ -93,6 +115,20 @@ func (d *ProcessingResource) GetAccessor(request *tools.APIRequest) utils.Access
 	return NewAccessor[*ProcessingResource](tools.PROCESSING_RESOURCE, request, func() utils.DBObject { return &ProcessingResource{} }) // Create a new instance of the accessor
 }
 
+func (abs *ProcessingResource) ConvertToPricedResource(t tools.DataType, selectedInstance *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, selectedBookingModeIndex *int, request *tools.APIRequest) (pricing.PricedItemITF, error) {
+	if t != tools.PROCESSING_RESOURCE {
+		return nil, errors.New("not the proper type expected : cannot convert to priced resource : have " + t.String() + " wait Data")
+	}
+	p, err := ConvertToPricedResource[*DataResourcePricingProfile](t, selectedInstance, selectedPartnership, selectedBuyingStrategy, selectedStrategy, selectedBookingModeIndex, abs, request)
+	if err != nil {
+		return nil, err
+	}
+	priced := p.(*PricedResource[*DataResourcePricingProfile])
+	return &PricedDataResource{
+		PricedResource: *priced,
+	}, nil
+}
+
 type ProcessingResourcePricingProfile struct {
 	pricing.AccessPricingProfile[pricing.TimePricingStrategy] // AccessPricingProfile is the pricing profile of a data it means that we can access the data for an amount of time
 }

models/resources/purchase_resource/purchase_resource.go

@@ -21,8 +21,7 @@ type PurchaseResource struct {
 	ResourceType tools.DataType `json:"resource_type" bson:"resource_type" validate:"required"`
 
 	// Authorization: identifies who created this draft and the Check session it belongs to.
-	SchedulerPeerID     string `json:"scheduler_peer_id,omitempty" bson:"scheduler_peer_id,omitempty"`
-	SchedulingSessionID string `json:"scheduling_session_id,omitempty" bson:"scheduling_session_id,omitempty"`
+	SchedulerPeerID string `json:"scheduler_peer_id,omitempty" bson:"scheduler_peer_id,omitempty"`
 }
 
 func (d *PurchaseResource) GetAccessor(request *tools.APIRequest) utils.Accessor {

models/resources/purchase_resource/tests/purchase_resource_test.go

@@ -36,8 +36,8 @@ func TestCanUpdate(t *testing.T) {
 
 func TestCanDelete(t *testing.T) {
 	now := time.Now().UTC()
-	past := now.Add(-1 * time.Hour)
-	future := now.Add(1 * time.Hour)
+	past := now.Add(-5 * time.Minute)
+	future := now.Add(5 * time.Minute)
 
 	t.Run("nil EndDate", func(t *testing.T) {
 		r := &purchase_resource.PurchaseResource{}

models/resources/resource.go

@@ -21,11 +21,11 @@ import (
 type AbstractResource struct {
 	utils.AbstractObject // AbstractObject contains the basic fields of an object (id, name)
 
-	Type                string                                            `json:"type,omitempty" bson:"type,omitempty"`                                               // Type is the type of the resource
-	Logo                string                                            `json:"logo,omitempty" bson:"logo,omitempty" validate:"required"`                           // Logo is the logo of the resource
-	Description         string                                            `json:"description,omitempty" bson:"description,omitempty"`                                 // Description is the description of the resource
-	ShortDescription    string                                            `json:"short_description,omitempty" bson:"short_description,omitempty" validate:"required"` // ShortDescription is the short description of the resource
-	Owners              []utils.Owner                                     `json:"owners,omitempty" bson:"owners,omitempty"`                                           // Owners is the list of owners of the resource
+	Type                string                                            `json:"type,omitempty" bson:"type,omitempty"`                           // Type is the type of the resource
+	Logo                string                                            `json:"logo,omitempty" bson:"logo,omitempty"`                           // Logo is the logo of the resource
+	Description         string                                            `json:"description,omitempty" bson:"description,omitempty"`             // Description is the description of the resource
+	ShortDescription    string                                            `json:"short_description,omitempty" bson:"short_description,omitempty"` // ShortDescription is the short description of the resource
+	Owners              []utils.Owner                                     `json:"owners,omitempty" bson:"owners,omitempty"`                       // Owners is the list of owners of the resource
 	UsageRestrictions   string                                            `bson:"usage_restrictions,omitempty" json:"usage_restrictions,omitempty"`
 	AllowedBookingModes map[booking.BookingMode]*pricing.PricingVariation `bson:"allowed_booking_modes" json:"allowed_booking_modes"`
 }
@@ -66,16 +66,16 @@ func (r *AbstractResource) CanDelete() bool {
 type AbstractInstanciatedResource[T ResourceInstanceITF] struct {
 	AbstractResource // AbstractResource contains the basic fields of an object (id, name)
 
-	Instances []T `json:"instances,omitempty" bson:"instances,omitempty"` // Bill is the bill of the resource            // Bill is the bill of the resource
+	Instances []T `json:"instances,omitempty" bson:"instances,omitempty"`
 }
 
 func (abs *AbstractInstanciatedResource[T]) AddInstances(instance ResourceInstanceITF) {
 	abs.Instances = append(abs.Instances, instance.(T))
 }
 
-func (abs *AbstractInstanciatedResource[T]) ConvertToPricedResource(t tools.DataType,
+func ConvertToPricedResource[T pricing.PricingProfileITF](t tools.DataType,
 	selectedInstance *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int,
-	selectedBookingModeIndex *int, request *tools.APIRequest) (pricing.PricedItemITF, error) {
+	selectedBookingModeIndex *int, abs ResourceInterface, request *tools.APIRequest) (pricing.PricedItemITF, error) {
 	instances := map[string]string{}
 	var profile pricing.PricingProfileITF
 	var inst ResourceInstanceITF
@@ -84,7 +84,7 @@ func (abs *AbstractInstanciatedResource[T]) ConvertToPricedResource(t tools.Data
 		instances[t.GetID()] = t.GetName()
 		profile = t.GetProfile(request.PeerID, selectedPartnership, selectedBuyingStrategy, selectedStrategy)
 	} else {
-		for i, instance := range abs.Instances { // TODO why it crush before ?
+		for i, instance := range abs.SetAllowedInstances(request) { // TODO why it crush before ?
 			if i == 0 {
 				inst = instance
 			}
@@ -106,20 +106,33 @@ func (abs *AbstractInstanciatedResource[T]) ConvertToPricedResource(t tools.Data
 		}*/
 	}
 	variations := []*pricing.PricingVariation{}
-	if selectedBookingModeIndex != nil && abs.AllowedBookingModes[booking.BookingMode(*selectedBookingModeIndex)] != nil {
-		variations = append(variations, abs.AllowedBookingModes[booking.BookingMode(*selectedBookingModeIndex)])
+	if selectedBookingModeIndex != nil && abs.GetBookingModes()[booking.BookingMode(*selectedBookingModeIndex)] != nil {
+		variations = append(variations, abs.GetBookingModes()[booking.BookingMode(*selectedBookingModeIndex)])
 	}
-	return &PricedResource{
-		Name:            abs.Name,
-		Logo:            abs.Logo,
-		ResourceID:      abs.UUID,
-		InstanceID:      inst.GetID(),
-		ResourceType:    t,
-		Quantity:        1,
-		InstancesRefs:   instances,
-		SelectedPricing: profile,
-		Variations:      variations,
-		CreatorID:       abs.CreatorID,
+	// Seed the booking configuration with the instance's historical average duration
+	// so GetExplicitDurationInS() returns a realistic default out of the box.
+	var bc *BookingConfiguration
+	if inst != nil {
+		if avg := inst.GetAverageDurationS(); avg > 0 {
+			bc = &BookingConfiguration{ExplicitBookingDurationS: avg}
+		}
+	}
+	instanceID := ""
+	if inst != nil {
+		instanceID = inst.GetID()
+	}
+	selectedPricing, _ := profile.(T)
+	return &PricedResource[T]{
+		Name:                 abs.GetName(),
+		ResourceID:           abs.GetID(),
+		InstanceID:           instanceID,
+		ResourceType:         t,
+		Quantity:             1,
+		InstancesRefs:        instances,
+		SelectedPricing:      selectedPricing,
+		Variations:           variations,
+		CreatorID:            abs.GetCreatorID(),
+		BookingConfiguration: bc,
 	}, nil
 }
 
@@ -140,11 +153,16 @@ func (r *AbstractInstanciatedResource[T]) GetSelectedInstance(selected *int) Res
 	return nil
 }
 
-func (abs *AbstractInstanciatedResource[T]) SetAllowedInstances(request *tools.APIRequest, instanceID ...string) {
-	if (request != nil && request.PeerID == abs.CreatorID && request.PeerID != "") || request.Admin {
-		return
+func (abs *AbstractInstanciatedResource[T]) SetAllowedInstances(request *tools.APIRequest, instanceID ...string) []ResourceInstanceITF {
+	if !((request != nil && request.PeerID == abs.CreatorID && request.PeerID != "") || request.Admin) {
+		abs.Instances = VerifyAuthAction(abs.Instances, request, instanceID...)
 	}
-	abs.Instances = VerifyAuthAction(abs.Instances, request, instanceID...)
+	inst := []ResourceInstanceITF{}
+	for _, i := range abs.Instances {
+		inst = append(inst, i)
+	}
+
+	return inst
 }
 
 func (abs *AbstractInstanciatedResource[T]) VerifyAuth(callName string, request *tools.APIRequest) bool {
@@ -196,6 +214,9 @@ type ResourceInstance[T ResourcePartnerITF] struct {
 	Outputs        []models.Param        `json:"outputs,omitempty" bson:"outputs,omitempty"`
 
 	Partnerships []T `json:"partnerships,omitempty" bson:"partnerships,omitempty"`
+
+	AverageDurationS       float64 `json:"average_duration_s,omitempty" bson:"average_duration_s,omitempty"`
+	AverageDurationSamples int     `json:"average_duration_samples,omitempty" bson:"average_duration_samples,omitempty"`
 }
 
 // TODO should kicks all selection
@@ -285,6 +306,17 @@ func (ri *ResourceInstance[T]) ClearPeerGroups() {
 	}
 }
 
+func (ri *ResourceInstance[T]) GetAverageDurationS() float64 {
+	return ri.AverageDurationS
+}
+
+func (ri *ResourceInstance[T]) UpdateAverageDuration(actualS float64) {
+	buffered := actualS * 1.20
+	n := float64(ri.AverageDurationSamples)
+	ri.AverageDurationS = (ri.AverageDurationS*n + buffered) / (n + 1)
+	ri.AverageDurationSamples++
+}
+
 type ResourcePartnerShip[T pricing.PricingProfileITF] struct {
 	Namespace       string              `json:"namespace" bson:"namespace" default:"default-namespace"`
 	PeerGroups      map[string][]string `json:"peer_groups,omitempty" bson:"peer_groups,omitempty"`

models/resources/storage.go

@@ -2,7 +2,6 @@ package resources
 
 import (
 	"errors"
-	"fmt"
 	"time"
 
 	"cloud.o-forge.io/core/oc-lib/models/common/enum"
@@ -35,11 +34,11 @@ func (abs *StorageResource) ConvertToPricedResource(t tools.DataType, selectedIn
 	if t != tools.STORAGE_RESOURCE {
 		return nil, errors.New("not the proper type expected : cannot convert to priced resource : have " + t.String() + " wait Storage")
 	}
-	p, err := abs.AbstractInstanciatedResource.ConvertToPricedResource(t, selectedInstance, selectedPartnership, selectedBuyingStrategy, selectedStrategy, selectedBookingModeIndex, request)
+	p, err := ConvertToPricedResource[*StorageResourcePricingProfile](t, selectedInstance, selectedPartnership, selectedBuyingStrategy, selectedStrategy, selectedBookingModeIndex, abs, request)
 	if err != nil {
 		return nil, err
 	}
-	priced := p.(*PricedResource)
+	priced := p.(*PricedResource[*StorageResourcePricingProfile])
 	return &PricedStorageResource{
 		PricedResource: *priced,
 	}, nil
@@ -181,30 +180,43 @@ func (p *StorageResourcePricingProfile) IsBooked() bool {
 }
 
 type PricedStorageResource struct {
-	PricedResource
+	PricedResource[*StorageResourcePricingProfile]
 	UsageStorageGB float64 `json:"storage_gb,omitempty" bson:"storage_gb,omitempty"`
 }
 
+func (r *PricedStorageResource) ensurePricing() {
+	if r.SelectedPricing == nil {
+		r.SelectedPricing = &StorageResourcePricingProfile{}
+	}
+}
+
+func (r *PricedStorageResource) IsPurchasable() bool {
+	r.ensurePricing()
+	return r.SelectedPricing.IsPurchasable()
+}
+
+func (r *PricedStorageResource) IsBooked() bool {
+	r.ensurePricing()
+	return r.SelectedPricing.IsBooked()
+}
+
 func (r *PricedStorageResource) GetType() tools.DataType {
 	return tools.STORAGE_RESOURCE
 }
 
 func (r *PricedStorageResource) GetPriceHT() (float64, error) {
+	r.ensurePricing()
 	if r.BookingConfiguration == nil {
 		r.BookingConfiguration = &BookingConfiguration{}
 	}
-	fmt.Println("GetPriceHT", r.BookingConfiguration.UsageStart, r.BookingConfiguration.UsageEnd)
 	now := time.Now()
 	if r.BookingConfiguration.UsageStart == nil {
 		r.BookingConfiguration.UsageStart = &now
 	}
 	if r.BookingConfiguration.UsageEnd == nil {
-		add := r.BookingConfiguration.UsageStart.Add(time.Duration(1 * time.Hour))
+		add := r.BookingConfiguration.UsageStart.Add(time.Duration(5 * time.Minute))
 		r.BookingConfiguration.UsageEnd = &add
 	}
-	if r.SelectedPricing == nil {
-		return 0, errors.New("pricing profile must be set on Priced Storage" + r.ResourceID)
-	}
 	pricing := r.SelectedPricing
 	var err error
 	amountOfData := float64(1)

models/resources/tests/compute_test.go

@@ -37,7 +37,7 @@ func TestComputeResource_ConvertToPricedResource(t *testing.T) {
 
 func TestComputeResourcePricingProfile_GetPriceHT_CPUs(t *testing.T) {
 	start := time.Now()
-	end := start.Add(1 * time.Hour)
+	end := start.Add(5 * time.Minute)
 	profile := resources.ComputeResourcePricingProfile{
 		CPUsPrices: map[string]float64{"Xeon": 2.0},
 		ExploitPricingProfile: pricing.ExploitPricingProfile[pricing.TimePricingStrategy]{
@@ -61,11 +61,18 @@ func TestComputeResourcePricingProfile_GetPriceHT_InvalidParams(t *testing.T) {
 
 func TestPricedComputeResource_GetPriceHT(t *testing.T) {
 	start := time.Now()
-	end := start.Add(1 * time.Hour)
+	end := start.Add(5 * time.Minute)
 	r := resources.PricedComputeResource{
-		PricedResource: resources.PricedResource{
-			ResourceID:      "comp456",
-			SelectedPricing: &MockPricingProfile{ReturnCost: 1.0},
+		PricedResource: resources.PricedResource[*resources.ComputeResourcePricingProfile]{
+			ResourceID: "comp456",
+			SelectedPricing: &resources.ComputeResourcePricingProfile{
+				CPUsPrices: map[string]float64{"Xeon": 2.0},
+				ExploitPricingProfile: pricing.ExploitPricingProfile[pricing.TimePricingStrategy]{
+					AccessPricingProfile: pricing.AccessPricingProfile[pricing.TimePricingStrategy]{
+						Pricing: pricing.PricingStrategy[pricing.TimePricingStrategy]{Price: 1.0},
+					},
+				},
+			},
 			BookingConfiguration: &resources.BookingConfiguration{
 				UsageStart:               &start,
 				UsageEnd:                 &end,
@@ -73,8 +80,8 @@ func TestPricedComputeResource_GetPriceHT(t *testing.T) {
 			},
 		},
 		CPUsLocated: map[string]float64{"Xeon": 2},
-		GPUsLocated: map[string]float64{"Tesla": 1},
-		RAMLocated:  4,
+		GPUsLocated: map[string]float64{},
+		RAMLocated:  0,
 	}
 
 	price, err := r.GetPriceHT()
@@ -84,7 +91,7 @@ func TestPricedComputeResource_GetPriceHT(t *testing.T) {
 
 func TestPricedComputeResource_GetPriceHT_MissingProfile(t *testing.T) {
 	r := resources.PricedComputeResource{
-		PricedResource: resources.PricedResource{
+		PricedResource: resources.PricedResource[*resources.ComputeResourcePricingProfile]{
 			ResourceID: "comp789",
 		},
 	}

models/resources/tests/data_test.go

@@ -76,13 +76,13 @@ func TestDataResourcePricingStrategy_GetQuantity(t *testing.T) {
 
 func TestDataResourcePricingProfile_IsPurchased(t *testing.T) {
 	profile := &resources.DataResourcePricingProfile{}
-	profile.Pricing.BuyingStrategy = pricing.SUBSCRIPTION
+	profile.Pricing.BuyingStrategy = pricing.PERMANENT
 	assert.True(t, profile.IsPurchasable())
 }
 
 func TestPricedDataResource_GetPriceHT(t *testing.T) {
 	now := time.Now()
-	later := now.Add(1 * time.Hour)
+	later := now.Add(5 * time.Minute)
 	mockPrice := 42.0
 
 	pricingProfile := &resources.DataResourcePricingProfile{AccessPricingProfile: pricing.AccessPricingProfile[resources.DataResourcePricingStrategy]{
@@ -91,7 +91,7 @@ func TestPricedDataResource_GetPriceHT(t *testing.T) {
 	pricingProfile.Pricing.OverrideStrategy = resources.PER_GB_DOWNLOADED
 
 	r := &resources.PricedDataResource{
-		PricedResource: resources.PricedResource{
+		PricedResource: resources.PricedResource[*resources.DataResourcePricingProfile]{
 			SelectedPricing: pricingProfile,
 			BookingConfiguration: &resources.BookingConfiguration{
 				UsageStart: &now,
@@ -107,7 +107,7 @@ func TestPricedDataResource_GetPriceHT(t *testing.T) {
 
 func TestPricedDataResource_GetPriceHT_NoProfiles(t *testing.T) {
 	r := &resources.PricedDataResource{
-		PricedResource: resources.PricedResource{
+		PricedResource: resources.PricedResource[*resources.DataResourcePricingProfile]{
 			ResourceID: "test-resource",
 		},
 	}

models/resources/tests/priced_resource_test.go

@@ -36,7 +36,7 @@ func (m *MockPricingProfile) GetPriceHT(amount float64, explicitDuration float64
 // ---- Tests ----
 
 func TestGetIDAndCreatorAndType(t *testing.T) {
-	r := resources.PricedResource{
+	r := resources.PricedResource[pricing.PricingProfileITF]{
 		ResourceID:   "res-123",
 		CreatorID:    "user-abc",
 		ResourceType: tools.DATA_RESOURCE,
@@ -48,23 +48,23 @@ func TestGetIDAndCreatorAndType(t *testing.T) {
 
 func TestIsPurchased(t *testing.T) {
 	t.Run("nil selected pricing returns false", func(t *testing.T) {
-		r := &resources.PricedResource{}
+		r := &resources.PricedResource[pricing.PricingProfileITF]{}
 		assert.False(t, r.IsPurchasable())
 	})
 
 	t.Run("returns true if pricing profile is purchased", func(t *testing.T) {
 		mock := &MockPricingProfile{Purchased: true}
-		r := &resources.PricedResource{SelectedPricing: mock}
+		r := &resources.PricedResource[pricing.PricingProfileITF]{SelectedPricing: mock}
 		assert.True(t, r.IsPurchasable())
 	})
 }
 
 func TestGetAndSetLocationStartEnd(t *testing.T) {
-	r := &resources.PricedResource{}
+	r := &resources.PricedResource[pricing.PricingProfileITF]{}
 
 	now := time.Now()
 	r.SetLocationStart(now)
-	r.SetLocationEnd(now.Add(2 * time.Hour))
+	r.SetLocationEnd(now.Add(10 * time.Minute))
 
 	assert.Equal(t, now, *r.GetLocationStart())
 	assert.Equal(t, now.Add(2*time.Hour), *r.GetLocationEnd())
@@ -72,7 +72,7 @@ func TestGetAndSetLocationStartEnd(t *testing.T) {
 
 func TestGetExplicitDurationInS(t *testing.T) {
 	t.Run("uses explicit duration if set", func(t *testing.T) {
-		r := &resources.PricedResource{BookingConfiguration: &resources.BookingConfiguration{
+		r := &resources.PricedResource[pricing.PricingProfileITF]{BookingConfiguration: &resources.BookingConfiguration{
 			ExplicitBookingDurationS: 3600,
 		},
 		}
@@ -81,8 +81,8 @@ func TestGetExplicitDurationInS(t *testing.T) {
 
 	t.Run("computes duration from start and end", func(t *testing.T) {
 		start := time.Now()
-		end := start.Add(2 * time.Hour)
-		r := &resources.PricedResource{
+		end := start.Add(10 * time.Minute)
+		r := &resources.PricedResource[pricing.PricingProfileITF]{
 			BookingConfiguration: &resources.BookingConfiguration{
 				UsageStart: &start, UsageEnd: &end,
 			},
@@ -91,14 +91,14 @@ func TestGetExplicitDurationInS(t *testing.T) {
 	})
 
 	t.Run("defaults to 1 hour when times not set", func(t *testing.T) {
-		r := &resources.PricedResource{}
+		r := &resources.PricedResource[pricing.PricingProfileITF]{}
 		assert.InDelta(t, 3600.0, r.GetExplicitDurationInS(), 0.1)
 	})
 }
 
 func TestGetPriceHT(t *testing.T) {
 	t.Run("returns error if no pricing profile", func(t *testing.T) {
-		r := &resources.PricedResource{ResourceID: "no-profile"}
+		r := &resources.PricedResource[pricing.PricingProfileITF]{ResourceID: "no-profile"}
 		price, err := r.GetPriceHT()
 		require.Error(t, err)
 		assert.Contains(t, err.Error(), "pricing profile must be set")
@@ -107,7 +107,7 @@ func TestGetPriceHT(t *testing.T) {
 
 	t.Run("defaults BookingConfiguration when nil", func(t *testing.T) {
 		mock := &MockPricingProfile{ReturnCost: 42.0}
-		r := &resources.PricedResource{
+		r := &resources.PricedResource[pricing.PricingProfileITF]{
 			SelectedPricing: mock,
 		}
 		price, err := r.GetPriceHT()
@@ -117,9 +117,9 @@ func TestGetPriceHT(t *testing.T) {
 
 	t.Run("returns error if profile GetPriceHT fails", func(t *testing.T) {
 		start := time.Now()
-		end := start.Add(1 * time.Hour)
+		end := start.Add(5 * time.Minute)
 		mock := &MockPricingProfile{ReturnErr: true}
-		r := &resources.PricedResource{
+		r := &resources.PricedResource[pricing.PricingProfileITF]{
 			SelectedPricing: mock,
 			BookingConfiguration: &resources.BookingConfiguration{
 				UsageStart: &start,
@@ -133,9 +133,9 @@ func TestGetPriceHT(t *testing.T) {
 
 	t.Run("uses SelectedPricing if set", func(t *testing.T) {
 		start := time.Now()
-		end := start.Add(1 * time.Hour)
+		end := start.Add(5 * time.Minute)
 		mock := &MockPricingProfile{ReturnCost: 10.0}
-		r := &resources.PricedResource{
+		r := &resources.PricedResource[pricing.PricingProfileITF]{
 			SelectedPricing: mock,
 			BookingConfiguration: &resources.BookingConfiguration{
 				UsageStart: &start,

models/resources/tests/processing_test.go

@@ -23,7 +23,7 @@ func TestPricedProcessingResource_GetType(t *testing.T) {
 
 func TestPricedProcessingResource_GetExplicitDurationInS(t *testing.T) {
 	now := time.Now()
-	after := now.Add(2 * time.Hour)
+	after := now.Add(10 * time.Minute)
 
 	tests := []struct {
 		name     string
@@ -40,30 +40,30 @@ func TestPricedProcessingResource_GetExplicitDurationInS(t *testing.T) {
 		{
 			name: "Nil start time, non-service",
 			input: PricedProcessingResource{
-				PricedResource: PricedResource{
+				PricedResource: PricedResource[*ProcessingResourcePricingProfile]{
 					BookingConfiguration: &resources.BookingConfiguration{
 						UsageStart: nil,
 					},
 				},
 			},
-			expected: float64((1 * time.Hour).Seconds()),
+			expected: float64((5 * time.Minute).Seconds()),
 		},
 		{
 			name: "Duration computed from start and end",
 			input: PricedProcessingResource{
-				PricedResource: PricedResource{
+				PricedResource: PricedResource[*ProcessingResourcePricingProfile]{
 					BookingConfiguration: &resources.BookingConfiguration{
 						UsageStart: &now,
 						UsageEnd:   &after,
 					},
 				},
 			},
-			expected: float64((2 * time.Hour).Seconds()),
+			expected: float64((10 * time.Minute).Seconds()),
 		},
 		{
 			name: "Explicit duration takes precedence",
 			input: PricedProcessingResource{
-				PricedResource: PricedResource{
+				PricedResource: PricedResource[*ProcessingResourcePricingProfile]{
 					BookingConfiguration: &resources.BookingConfiguration{
 						ExplicitBookingDurationS: 1337,
 					},
@@ -89,14 +89,14 @@ func TestProcessingResource_GetAccessor(t *testing.T) {
 
 func TestProcessingResourcePricingProfile_GetPriceHT(t *testing.T) {
 	start := time.Now()
-	end := start.Add(2 * time.Hour)
+	end := start.Add(10 * time.Minute)
 	mockPricing := pricing.AccessPricingProfile[pricing.TimePricingStrategy]{
 		Pricing: pricing.PricingStrategy[pricing.TimePricingStrategy]{
 			Price: 100.0,
 		},
 	}
 	profile := &ProcessingResourcePricingProfile{AccessPricingProfile: mockPricing}
-	price, err := profile.GetPriceHT(0, 0, start, end, []*pricing.PricingVariation{})
+	price, err := profile.GetPriceHT(1, 0, start, end, []*pricing.PricingVariation{})
 	assert.NoError(t, err)
 	assert.Equal(t, 100.0, price)
 }

models/resources/tests/resource_test.go

@@ -81,8 +81,8 @@ func TestGetSelectedInstance_NoIndex(t *testing.T) {
 }
 
 func TestCanUpdate_WhenOnlyStateDiffers(t *testing.T) {
-	resource := &resources.AbstractResource{AbstractObject: utils.AbstractObject{IsDraft: false}}
-	set := &MockDBObject{isDraft: true}
+	resource := &resources.AbstractResource{AbstractObject: utils.AbstractObject{IsDraft: true}}
+	set := &MockDBObject{isDraft: false}
 	canUpdate, updated := resource.CanUpdate(set)
 	assert.True(t, canUpdate)
 	assert.Equal(t, set, updated)
@@ -105,8 +105,13 @@ type FakeResource struct {
 	resources.AbstractInstanciatedResource[*MockInstance]
 }
 
-func (f *FakeResource) SetAllowedInstances(*tools.APIRequest, ...string) {}
-func (f *FakeResource) VerifyAuth(string, *tools.APIRequest) bool        { return true }
+func (f *FakeResource) SetAllowedInstances(req *tools.APIRequest, instance_id ...string) []resources.ResourceInstanceITF {
+	return nil
+}
+func (f *FakeResource) ConvertToPricedResource(t tools.DataType, a *int, b *int, c *int, d *int, e *int, req *tools.APIRequest) (pricing.PricedItemITF, error) {
+	return nil, nil
+}
+func (f *FakeResource) VerifyAuth(string, *tools.APIRequest) bool { return true }
 
 func TestNewAccessor_ReturnsValid(t *testing.T) {
 	acc := resources.NewAccessor[*FakeResource](tools.COMPUTE_RESOURCE, &tools.APIRequest{}, func() utils.DBObject {

models/resources/tests/storage_test.go

@@ -96,7 +96,7 @@ func TestStorageResourcePricingStrategy_GetQuantity_Invalid(t *testing.T) {
 
 func TestPricedStorageResource_GetPriceHT_NoProfiles(t *testing.T) {
 	res := &resources.PricedStorageResource{
-		PricedResource: resources.PricedResource{
+		PricedResource: resources.PricedResource[*resources.StorageResourcePricingProfile]{
 			ResourceID: "res-id",
 		},
 	}

models/resources/workflow.go

@@ -30,8 +30,9 @@ func (d *WorkflowResource) ClearEnv() utils.DBObject {
 	return d
 }
 
-func (w *WorkflowResource) SetAllowedInstances(request *tools.APIRequest, ids ...string) {
+func (w *WorkflowResource) SetAllowedInstances(request *tools.APIRequest, ids ...string) []ResourceInstanceITF {
 	/* EMPTY */
+	return []ResourceInstanceITF{}
 }
 
 func (r *WorkflowResource) GetSelectedInstance(selected *int) ResourceInstanceITF {
@@ -39,7 +40,7 @@ func (r *WorkflowResource) GetSelectedInstance(selected *int) ResourceInstanceIT
 }
 
 func (w *WorkflowResource) ConvertToPricedResource(t tools.DataType, selectedInstance *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, selectedBookingModeIndex *int, request *tools.APIRequest) (pricing.PricedItemITF, error) {
-	return &PricedResource{
+	return &PricedResource[*pricing.ExploitPricingProfile[pricing.TimePricingStrategy]]{
 		Name:         w.Name,
 		Logo:         w.Logo,
 		ResourceID:   w.UUID,

models/utils/abstracts.go

@@ -176,6 +176,10 @@ type AbstractAccessor[T DBObject] struct {
 	NotImplemented        []string
 }
 
+func (r *AbstractAccessor[T]) NewObj() DBObject {
+	return r.New()
+}
+
 func (r *AbstractAccessor[T]) ShouldVerifyAuth() bool {
 	return true
 }

models/utils/common.go

@@ -32,7 +32,6 @@ func GenericStoreOne(data DBObject, a Accessor) (DBObject, int, error) {
 	if data.GetID() == "" {
 		data.GenerateID()
 	}
-	data.SetID(data.GetID())
 	data.StoreDraftDefault()
 	data.UpToDate(a.GetUser(), a.GetPeerID(), true)
 	data.Unsign()
@@ -98,7 +97,7 @@ func ModelGenericUpdateOne(change map[string]interface{}, id string, a Accessor)
 	if err != nil {
 		return nil, nil, c, err
 	}
-	obj := &AbstractObject{}
+	obj := a.NewObj()
 	b, _ := json.Marshal(r)
 	json.Unmarshal(b, obj)
 	ok, r := r.CanUpdate(obj)

models/utils/interfaces.go

@@ -40,6 +40,7 @@ type DBObject interface {
 
 // Accessor is an interface that defines the basic methods for an Accessor
 type Accessor interface {
+	NewObj() DBObject
 	GetUser() string
 	GetPeerID() string
 	GetGroups() []string

models/workflow/graph/graph.go

@@ -1,8 +1,6 @@
 package graph
 
 import (
-	"time"
-
 	"cloud.o-forge.io/core/oc-lib/models/resources"
 	"cloud.o-forge.io/core/oc-lib/tools"
 )
@@ -67,46 +65,32 @@ func (wf *Graph) IsWorkflow(item GraphItem) bool {
 	return item.Workflow != nil
 }
 
-func (g *Graph) GetAverageTimeRelatedToProcessingActivity(start time.Time, processings []*resources.ProcessingResource, resource resources.ResourceInterface,
+func (g *Graph) GetAverageTimeRelatedToProcessingActivity(processings []*resources.ProcessingResource, resource resources.ResourceInterface,
 	f func(GraphItem) resources.ResourceInterface, instance int, partnership int, buying int, strategy int, bookingMode int, request *tools.APIRequest) (float64, float64, error) {
-	nearestStart := float64(10000000000)
 	oneIsInfinite := false
 	longestDuration := float64(0)
 	for _, link := range g.Links {
 		for _, processing := range processings {
-			var source string                                                                                                                             // source is the source of the link
-			if link.Destination.ID == processing.GetID() && f(g.Items[link.Source.ID]) != nil && f(g.Items[link.Source.ID]).GetID() == resource.GetID() { // if the destination is the processing and the source is not a compute
-				source = link.Source.ID
-			} else if link.Source.ID == processing.GetID() && f(g.Items[link.Source.ID]) != nil && f(g.Items[link.Source.ID]).GetID() == resource.GetID() { // if the source is the processing and the destination is not a compute
-				source = link.Destination.ID
+			if !(link.Destination.ID == processing.GetID() && f(g.Items[link.Source.ID]) != nil && f(g.Items[link.Source.ID]).GetID() == resource.GetID()) &&
+				!(link.Source.ID == processing.GetID() && f(g.Items[link.Source.ID]) != nil && f(g.Items[link.Source.ID]).GetID() == resource.GetID()) {
+				continue
 			}
 			priced, err := processing.ConvertToPricedResource(tools.PROCESSING_RESOURCE, &instance, &partnership, &buying, &strategy, &bookingMode, request)
 			if err != nil {
 				return 0, 0, err
 			}
-			if source != "" {
-				if priced.GetLocationStart() != nil {
-					near := float64(priced.GetLocationStart().Sub(start).Seconds())
-					if near < nearestStart {
-						nearestStart = near
-					}
-
-				}
-				if priced.GetLocationEnd() != nil {
-					duration := float64(priced.GetLocationEnd().Sub(*priced.GetLocationStart()).Seconds())
-					if longestDuration < duration {
-						longestDuration = duration
-					}
-				} else {
-					oneIsInfinite = true
-				}
+			duration := priced.GetExplicitDurationInS()
+			if duration < 0 {
+				oneIsInfinite = true
+			} else if longestDuration < duration {
+				longestDuration = duration
 			}
 		}
 	}
 	if oneIsInfinite {
-		return nearestStart, -1, nil
+		return 0, -1, nil
 	}
-	return nearestStart, longestDuration, nil
+	return 0, longestDuration, nil
 }
 
 /*
@@ -155,7 +139,7 @@ func (g *Graph) GetAverageTimeProcessingBeforeStart(average float64, processingI
 
 func (g *Graph) GetResource(id string) (tools.DataType, resources.ResourceInterface) {
 	if item, ok := g.Items[id]; ok {
-		if item.Data != nil {
+		if item.NativeTool != nil {
 			return tools.NATIVE_TOOL, item.NativeTool
 		} else if item.Data != nil {
 			return tools.DATA_RESOURCE, item.Data

models/workflow/plantuml.go

@@ -0,0 +1,282 @@
+package workflow
+
+import (
+	"encoding/json"
+	"fmt"
+	"sort"
+	"strconv"
+	"strings"
+
+	"cloud.o-forge.io/core/oc-lib/models/resources"
+	"cloud.o-forge.io/core/oc-lib/models/workflow/graph"
+)
+
+// ---------------------------------------------------------------------------
+// PlantUML export
+// ---------------------------------------------------------------------------
+
+// plantUMLProcedures defines !procedure blocks for each resource type.
+// Parameters use the $var/$name convention of PlantUML preprocessor v2.
+// Calls are written WITHOUT inline comments (comment on the following line)
+// to avoid the "assumed sequence diagram" syntax error.
+const plantUMLProcedures = `!procedure Processing($var, $name)
+component "$name" as $var <<Processing>>
+!endprocedure
+
+!procedure Data($var, $name)
+file "$name" as $var <<Data>>
+!endprocedure
+
+!procedure Storage($var, $name)
+database "$name" as $var <<Storage>>
+!endprocedure
+
+!procedure ComputeUnit($var, $name)
+node "$name" as $var <<ComputeUnit>>
+!endprocedure
+
+!procedure WorkflowEvent($var, $name)
+usecase "$name" as $var <<WorkflowEvent>>
+!endprocedure
+
+!procedure Workflow($var, $name)
+frame "$name" as $var <<Workflow>>
+!endprocedure
+`
+
+// ToPlantUML serializes the workflow graph to a valid, renderable PlantUML file
+// that is also compatible with ExtractFromPlantUML (round-trip).
+// Resource and instance attributes are written as human-readable comments:
+//
+//	Processing(p1, "NDVI") ' access.container.image: myrepo/ndvi:1.2, infrastructure: 0
+func (w *Workflow) ToPlantUML() string {
+	var sb strings.Builder
+	sb.WriteString("@startuml\n\n")
+	sb.WriteString(plantUMLProcedures)
+	sb.WriteByte('\n')
+
+	varNames := plantUMLVarNames(w.Graph.Items)
+
+	// --- resource declarations ---
+	for id, item := range w.Graph.Items {
+		if line := plantUMLItemLine(varNames[id], item); line != "" {
+			sb.WriteString(line + "\n")
+		}
+	}
+
+	sb.WriteByte('\n')
+
+	// --- links ---
+	for _, link := range w.Graph.Links {
+		src := varNames[link.Source.ID]
+		dst := varNames[link.Destination.ID]
+		if src == "" || dst == "" {
+			continue
+		}
+		sb.WriteString(fmt.Sprintf("%s --> %s\n", src, dst))
+		if comment := plantUMLLinkComment(link); comment != "" {
+			sb.WriteString("' " + comment + "\n")
+		}
+	}
+
+	sb.WriteString("\n@enduml\n")
+	return sb.String()
+}
+
+// plantUMLVarNames assigns short, deterministic variable names to each graph
+// item (d1, d2, p1, s1, c1, e1, wf1 …).
+func plantUMLVarNames(items map[string]graph.GraphItem) map[string]string {
+	counters := map[string]int{}
+	varNames := map[string]string{}
+	// Sort IDs for deterministic output
+	ids := make([]string, 0, len(items))
+	for id := range items {
+		ids = append(ids, id)
+	}
+	sort.Strings(ids)
+	for _, id := range ids {
+		prefix := plantUMLPrefix(items[id])
+		counters[prefix]++
+		varNames[id] = fmt.Sprintf("%s%d", prefix, counters[prefix])
+	}
+	return varNames
+}
+
+func plantUMLPrefix(item graph.GraphItem) string {
+	switch {
+	case item.NativeTool != nil:
+		return "e"
+	case item.Data != nil:
+		return "d"
+	case item.Processing != nil:
+		return "p"
+	case item.Storage != nil:
+		return "s"
+	case item.Compute != nil:
+		return "c"
+	case item.Workflow != nil:
+		return "wf"
+	}
+	return "u"
+}
+
+// plantUMLItemLine builds the PlantUML declaration line for one graph item.
+func plantUMLItemLine(varName string, item graph.GraphItem) string {
+	switch {
+	case item.NativeTool != nil:
+		// WorkflowEvent has no instance and no configurable attributes.
+		return fmt.Sprintf("WorkflowEvent(%s, \"%s\")", varName, item.NativeTool.GetName())
+
+	case item.Data != nil:
+		return plantUMLResourceLine("Data", varName, item.Data)
+
+	case item.Processing != nil:
+		return plantUMLResourceLine("Processing", varName, item.Processing)
+
+	case item.Storage != nil:
+		return plantUMLResourceLine("Storage", varName, item.Storage)
+
+	case item.Compute != nil:
+		return plantUMLResourceLine("ComputeUnit", varName, item.Compute)
+
+	case item.Workflow != nil:
+		return plantUMLResourceLine("Workflow", varName, item.Workflow)
+	}
+	return ""
+}
+
+func plantUMLResourceLine(macro, varName string, res resources.ResourceInterface) string {
+	decl := fmt.Sprintf("%s(%s, \"%s\")", macro, varName, res.GetName())
+	if comment := plantUMLResourceComment(res); comment != "" {
+		// Comment on the line AFTER the declaration. ExtractFromPlantUML uses
+		// look-ahead to merge it back. No inline comment = no !procedure conflict.
+		return decl + "\n' " + comment
+	}
+	return decl
+}
+
+// plantUMLResourceComment merges resource-level fields with the first instance
+// fields (instance overrides resource) and formats them as human-readable pairs.
+func plantUMLResourceComment(res resources.ResourceInterface) string {
+	m := plantUMLToFlatMap(res)
+	if inst := res.GetSelectedInstance(nil); inst != nil {
+		for k, v := range plantUMLToFlatMap(inst) {
+			m[k] = v
+		}
+	}
+	return plantUMLFlatMapToComment(m)
+}
+
+// plantUMLLinkComment serializes StorageLinkInfos (first entry) as flat
+// human-readable pairs prefixed with "storage_link_infos.".
+func plantUMLLinkComment(link graph.GraphLink) string {
+	if len(link.StorageLinkInfos) == 0 {
+		return ""
+	}
+	infoFlat := plantUMLToFlatMap(link.StorageLinkInfos[0])
+	prefixed := make(map[string]string, len(infoFlat))
+	for k, v := range infoFlat {
+		prefixed["storage_link_infos."+k] = v
+	}
+	return plantUMLFlatMapToComment(prefixed)
+}
+
+// ---------------------------------------------------------------------------
+// Flat-map helpers (shared by import & export)
+// ---------------------------------------------------------------------------
+
+// plantUMLSkipFields lists JSON field names (root keys) that must never appear
+// in human-readable comments. All names are the actual JSON tags, not Go field names.
+var plantUMLSkipFields = map[string]bool{
+	// AbstractObject — identity & audit (json tags)
+	"id": true, "name": true, "is_draft": true, "access_mode": true, "signature": true,
+	"creator_id": true, "user_creator_id": true,
+	"creation_date": true, "update_date": true,
+	"updater_id": true, "user_updater_id": true,
+	// internal resource type identifier (AbstractResource.Type / GetType())
+	"type": true,
+	// relationships / pricing
+	"instances": true, "partnerships": true,
+	"allowed_booking_modes": true, "usage_restrictions": true,
+	// display / admin
+	"logo": true, "description": true, "short_description": true, "owners": true,
+	// runtime params
+	"env": true, "inputs": true, "outputs": true,
+	// NativeTool internals
+	"kind": true, "params": true,
+}
+
+// zeroTimeStr is the JSON representation of Go's zero time.Time value.
+// encoding/json does not treat it as "empty" for omitempty, so we filter it explicitly.
+const zeroTimeStr = "0001-01-01T00:00:00Z"
+
+// plantUMLToFlatMap marshals v to JSON and flattens the resulting object into
+// a map[string]string using dot notation for nested keys, skipping zero values
+// and known meta fields.
+func plantUMLToFlatMap(v interface{}) map[string]string {
+	b, err := json.Marshal(v)
+	if err != nil {
+		return nil
+	}
+	var raw map[string]interface{}
+	if err := json.Unmarshal(b, &raw); err != nil {
+		return nil
+	}
+	result := map[string]string{}
+	plantUMLFlattenJSON(raw, "", result)
+	return result
+}
+
+// plantUMLFlattenJSON recursively walks a JSON object and writes scalar leaf
+// values into result using dot-notation keys.
+func plantUMLFlattenJSON(m map[string]interface{}, prefix string, result map[string]string) {
+	for k, v := range m {
+		fullKey := k
+		if prefix != "" {
+			fullKey = prefix + "." + k
+		}
+		// Skip fields whose root key is in the deny-list
+		if plantUMLSkipFields[strings.SplitN(fullKey, ".", 2)[0]] {
+			continue
+		}
+		switch val := v.(type) {
+		case map[string]interface{}:
+			plantUMLFlattenJSON(val, fullKey, result)
+		case []interface{}:
+			// Arrays are not representable in flat human-readable format; skip.
+		case float64:
+			if val != 0 {
+				if val == float64(int64(val)) {
+					result[fullKey] = strconv.FormatInt(int64(val), 10)
+				} else {
+					result[fullKey] = strconv.FormatFloat(val, 'f', -1, 64)
+				}
+			}
+		case bool:
+			if val {
+				result[fullKey] = "true"
+			}
+		case string:
+			if val != "" && val != zeroTimeStr {
+				result[fullKey] = val
+			}
+		}
+	}
+}
+
+// plantUMLFlatMapToComment converts a flat map to a sorted "key: value, …" string.
+func plantUMLFlatMapToComment(m map[string]string) string {
+	if len(m) == 0 {
+		return ""
+	}
+	keys := make([]string, 0, len(m))
+	for k := range m {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+	parts := make([]string, 0, len(keys))
+	for _, k := range keys {
+		parts = append(parts, k+": "+m[k])
+	}
+	return strings.Join(parts, ", ")
+}

models/workflow/workflow.go

@@ -6,16 +6,20 @@ import (
 	"errors"
 	"fmt"
 	"mime/multipart"
+	"strconv"
 	"strings"
 	"time"
 
 	"cloud.o-forge.io/core/oc-lib/models/booking"
+	"cloud.o-forge.io/core/oc-lib/models/booking/planner"
 	"cloud.o-forge.io/core/oc-lib/models/collaborative_area/shallow_collaborative_area"
 	"cloud.o-forge.io/core/oc-lib/models/common"
 	"cloud.o-forge.io/core/oc-lib/models/common/models"
 	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
+	"cloud.o-forge.io/core/oc-lib/models/live"
 	"cloud.o-forge.io/core/oc-lib/models/peer"
 	"cloud.o-forge.io/core/oc-lib/models/resources"
+	"cloud.o-forge.io/core/oc-lib/models/resources/native_tools"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
 	"cloud.o-forge.io/core/oc-lib/models/workflow/graph"
 	"cloud.o-forge.io/core/oc-lib/tools"
@@ -137,41 +141,82 @@ func (d *Workflow) ExtractFromPlantUML(plantUML multipart.File, request *tools.A
 				},
 			}
 		},
+		// WorkflowEvent creates a NativeTool of Kind=WORKFLOW_EVENT directly,
+		// without DB lookup. It has no user-defined instance.
+		"WorkflowEvent": func() resources.ResourceInterface {
+			return &resources.NativeTool{
+				Kind: int(native_tools.WORKFLOW_EVENT),
+			}
+		},
 	}
-	graphVarName := map[string]*graph.GraphItem{}
-	scanner := bufio.NewScanner(plantUML)
+	graphVarName := map[string]graph.GraphItem{}
 
+	// Collect all lines first to support look-ahead (comment on the line after
+	// the declaration, as produced by ToPlantUML).
+	scanner := bufio.NewScanner(plantUML)
+	var lines []string
 	for scanner.Scan() {
-		line := scanner.Text()
+		lines = append(lines, scanner.Text())
+	}
+	if err := scanner.Err(); err != nil {
+		return d, err
+	}
+
+	for i, line := range lines {
+		trimmed := strings.TrimSpace(line)
+
+		// Skip pure comment lines and PlantUML directives — they must never be
+		// parsed as resource declarations or links. Without this guard, a comment
+		// like "' source: http://my-server.com" would match the "-" link check.
+		if strings.HasPrefix(trimmed, "'") ||
+			strings.HasPrefix(trimmed, "!") ||
+			strings.HasPrefix(trimmed, "@") ||
+			trimmed == "" {
+			continue
+		}
+
+		// Build the parse line: if the current line has no inline comment and the
+		// next line is a pure comment, append it so parsers receive one combined line.
+		// Also handles the legacy inline-comment format unchanged.
+		parseLine := line
+		if !strings.Contains(line, "'") && i+1 < len(lines) {
+			if next := strings.TrimSpace(lines[i+1]); strings.HasPrefix(next, "'") {
+				parseLine = line + " " + next
+			}
+		}
+
 		for n, new := range resourceCatalog {
-			if strings.Contains(line, n+"(") && !strings.Contains(line, "!procedure") { // should exclude declaration of type.
+			if strings.Contains(line, n+"(") && !strings.Contains(line, "!procedure") && !strings.Contains(line, "!define") { // exclude macro declarations
 				newRes := new()
-				varName, graphItem, err := d.extractResourcePlantUML(line, newRes, n, request.PeerID)
+				newRes.SetID(uuid.New().String())
+				varName, graphItem, err := d.extractResourcePlantUML(parseLine, newRes, n, request.PeerID)
 				if err != nil {
 					return d, err
 				}
-				graphVarName[varName] = graphItem
+				if graphItem != nil {
+					graphVarName[varName] = *graphItem
+				}
 				continue
-			} else if strings.Contains(line, n+"-->") {
-				err := d.extractLink(line, graphVarName, "-->", false)
+			} else if strings.Contains(line, "-->") {
+				err := d.extractLink(parseLine, graphVarName, "-->", false)
 				if err != nil {
 					fmt.Println(err)
 					continue
 				}
-			} else if strings.Contains(line, n+"<--") {
-				err := d.extractLink(line, graphVarName, "<--", true)
+			} else if strings.Contains(line, "<--") {
+				err := d.extractLink(parseLine, graphVarName, "<--", true)
 				if err != nil {
 					fmt.Println(err)
 					continue
 				}
-			} else if strings.Contains(line, n+"--") {
-				err := d.extractLink(line, graphVarName, "--", false)
+			} else if strings.Contains(line, "--") {
+				err := d.extractLink(parseLine, graphVarName, "--", false)
 				if err != nil {
 					fmt.Println(err)
 					continue
 				}
-			} else if strings.Contains(line, n+"-") {
-				err := d.extractLink(line, graphVarName, "-", false)
+			} else if strings.Contains(line, "-") {
+				err := d.extractLink(parseLine, graphVarName, "-", false)
 				if err != nil {
 					fmt.Println(err)
 					continue
@@ -179,39 +224,104 @@ func (d *Workflow) ExtractFromPlantUML(plantUML multipart.File, request *tools.A
 			}
 		}
 	}
-	if err := scanner.Err(); err != nil {
-		return d, err
-	}
 	d.generateResource(d.GetResources(tools.DATA_RESOURCE), request)
 	d.generateResource(d.GetResources(tools.PROCESSING_RESOURCE), request)
 	d.generateResource(d.GetResources(tools.STORAGE_RESOURCE), request)
 	d.generateResource(d.GetResources(tools.COMPUTE_RESOURCE), request)
 	d.generateResource(d.GetResources(tools.WORKFLOW_RESOURCE), request)
+	d.Graph.Items = graphVarName
 	return d, nil
 }
 
 func (d *Workflow) generateResource(datas []resources.ResourceInterface, request *tools.APIRequest) error {
 	for _, d := range datas {
-		access := d.GetAccessor(request)
-		if _, code, err := access.LoadOne(d.GetID()); err != nil && code == 200 {
+		if d.GetType() == tools.COMPUTE_RESOURCE.String() {
+			access := live.NewAccessor[*live.LiveDatacenter](tools.LIVE_DATACENTER, request)
+			if b, err := json.Marshal(d); err == nil {
+				var liv live.LiveDatacenter
+				json.Unmarshal(b, &liv)
+				data, _, err := access.StoreOne(&liv)
+				if err == nil {
+					access.CopyOne(data)
+				}
+			}
+			continue
+		} else if d.GetType() == tools.STORAGE_RESOURCE.String() {
+			access := live.NewAccessor[*live.LiveStorage](tools.LIVE_STORAGE, request)
+			if b, err := json.Marshal(d); err == nil {
+				var liv live.LiveStorage
+				json.Unmarshal(b, &liv)
+				data, _, err := access.StoreOne(&liv)
+				if err == nil {
+					access.CopyOne(data)
+				}
+			}
 			continue
 		}
-		access.StoreOne(d)
+		d.GetAccessor(request).StoreOne(d)
 	}
 	return nil
 }
 
-func (d *Workflow) extractLink(line string, graphVarName map[string]*graph.GraphItem, pattern string, reverse bool) error {
+// setNestedKey sets a value in a nested map using dot-notation path.
+// "access.container.image" → m["access"]["container"]["image"] = value
+func setNestedKey(m map[string]any, path string, value any) {
+	parts := strings.SplitN(path, ".", 2)
+	if len(parts) == 1 {
+		m[path] = value
+		return
+	}
+	key, rest := parts[0], parts[1]
+	if _, ok := m[key]; !ok {
+		m[key] = map[string]any{}
+	}
+	if sub, ok := m[key].(map[string]any); ok {
+		setNestedKey(sub, rest, value)
+	}
+}
+
+// parseHumanFriendlyAttrs converts a human-friendly comment into JSON bytes.
+// Supports:
+//   - flat:   "source: http://example.com, encryption: true, size: 500"
+//   - nested: "access.container.image: nginx, access.container.tag: latest"
+//   - raw JSON passthrough (backward-compat): '{"key": "value"}'
+//
+// Values are auto-typed: bool, float64, or string.
+// Note: the first ':' in each pair is the key/value separator,
+// so URLs like "http://..." are handled correctly.
+func parseHumanFriendlyAttrs(comment string) []byte {
+	comment = strings.TrimSpace(comment)
+	if strings.HasPrefix(comment, "{") {
+		return []byte(comment)
+	}
+	m := map[string]any{}
+	for _, pair := range strings.Split(comment, ",") {
+		pair = strings.TrimSpace(pair)
+		parts := strings.SplitN(pair, ":", 2)
+		if len(parts) != 2 {
+			continue
+		}
+		key := strings.TrimSpace(parts[0])
+		val := strings.TrimSpace(parts[1])
+		var typed any
+		if b, err := strconv.ParseBool(val); err == nil {
+			typed = b
+		} else if n, err := strconv.ParseFloat(val, 64); err == nil {
+			typed = n
+		} else {
+			typed = val
+		}
+		setNestedKey(m, key, typed)
+	}
+	b, _ := json.Marshal(m)
+	return b
+}
+
+func (d *Workflow) extractLink(line string, graphVarName map[string]graph.GraphItem, pattern string, reverse bool) error {
 	splitted := strings.Split(line, pattern)
 	if len(splitted) < 2 {
 		return errors.New("links elements not found")
 	}
-	if graphVarName[splitted[0]] != nil {
-		return errors.New("links elements not found -> " + strings.Trim(splitted[0], " "))
-	}
-	if graphVarName[splitted[1]] != nil {
-		return errors.New("links elements not found -> " + strings.Trim(splitted[1], " "))
-	}
 	link := &graph.GraphLink{
 		Source: graph.Position{
 			ID: graphVarName[splitted[0]].ID,
@@ -230,11 +340,10 @@ func (d *Workflow) extractLink(line string, graphVarName map[string]*graph.Graph
 		link.Source = tmp
 	}
 	splittedComments := strings.Split(line, "'")
-	if len(splittedComments) <= 1 {
-		return errors.New("Can't deserialize Object, there's no commentary")
+	if len(splittedComments) > 1 {
+		comment := strings.ReplaceAll(splittedComments[1], "'", "")
+		json.Unmarshal(parseHumanFriendlyAttrs(comment), link)
 	}
-	comment := strings.ReplaceAll(splittedComments[1], "'", "") // for now it's a json.
-	json.Unmarshal([]byte(comment), link)
 	d.Graph.Links = append(d.Graph.Links, *link)
 	return nil
 }
@@ -245,7 +354,7 @@ func (d *Workflow) extractResourcePlantUML(line string, resource resources.Resou
 		return "", nil, errors.New("Can't deserialize Object, there's no func")
 	}
 	splittedParams := strings.Split(splittedFunc[1], ",")
-	if len(splittedFunc) <= 1 {
+	if len(splittedParams) <= 1 {
 		return "", nil, errors.New("Can't deserialize Object, there's no params")
 	}
 
@@ -255,32 +364,40 @@ func (d *Workflow) extractResourcePlantUML(line string, resource resources.Resou
 	if len(splitted) <= 1 {
 		return "", nil, errors.New("Can't deserialize Object, there's no name")
 	}
-	resource.SetName(splitted[1])
+	resource.SetName(strings.ReplaceAll(splitted[1], "\\n", " "))
 
-	splittedComments := strings.Split(line, "'")
-	if len(splittedComments) <= 1 {
-		return "", nil, errors.New("Can't deserialize Object, there's no commentary")
-	}
-	comment := strings.ReplaceAll(splittedComments[1], "'", "") // for now it's a json.
+	// Resources with instances get a default one seeded from the parent resource,
+	// then overridden by any explicit comment attributes.
+	// Event (NativeTool) has no instance: getNewInstance returns nil and is skipped.
 	instance := d.getNewInstance(dataName, splitted[1], peerID)
-	if instance == nil {
-		return "", nil, errors.New("No instance found.")
+	if instance != nil {
+		if b, err := json.Marshal(resource); err == nil {
+			json.Unmarshal(b, instance)
+		}
+		splittedComments := strings.Split(line, "'")
+		if len(splittedComments) > 1 {
+			comment := strings.ReplaceAll(splittedComments[1], "'", "")
+			json.Unmarshal(parseHumanFriendlyAttrs(comment), instance)
+		}
+		resource.AddInstances(instance)
 	}
-	resource.AddInstances(instance)
 
-	json.Unmarshal([]byte(comment), instance)
-	// deserializer les instances... une instance doit par défaut avoir certaines valeurs d'accès.
-	graphID := uuid.New()
-	graphItem := &graph.GraphItem{
-		ID: graphID.String(),
+	item := d.getNewGraphItem(dataName, resource)
+	if item != nil {
+		d.Graph.Items[item.ID] = *item
 	}
-	graphItem = d.getNewGraphItem(dataName, graphItem, resource)
 
-	d.Graph.Items[graphID.String()] = *graphItem
-	return varName, graphItem, nil
+	return varName, item, nil
 }
 
-func (d *Workflow) getNewGraphItem(dataName string, graphItem *graph.GraphItem, resource resources.ResourceInterface) *graph.GraphItem {
+func (d *Workflow) getNewGraphItem(dataName string, resource resources.ResourceInterface) *graph.GraphItem {
+	if resource == nil {
+		return nil
+	}
+	graphItem := &graph.GraphItem{
+		ID:           uuid.New().String(),
+		ItemResource: &resources.ItemResource{},
+	}
 	switch dataName {
 	case "Data":
 		d.Datas = append(d.Datas, resource.GetID())
@@ -290,15 +407,13 @@ func (d *Workflow) getNewGraphItem(dataName string, graphItem *graph.GraphItem,
 		d.Processings = append(d.Processings, resource.GetID())
 		d.ProcessingResources = append(d.ProcessingResources, resource.(*resources.ProcessingResource))
 		graphItem.Processing = resource.(*resources.ProcessingResource)
-	case "Event":
-		access := resources.NewAccessor[*resources.NativeTool](tools.NATIVE_TOOL, &tools.APIRequest{
-			Admin: true,
-		}, func() utils.DBObject { return &resources.NativeTool{} })
-		t, _, err := access.Search(nil, "WORKFLOW_EVENT", false)
-		if err == nil && len(t) > 0 {
-			d.NativeTool = append(d.NativeTool, t[0].GetID())
-			graphItem.NativeTool = t[0].(*resources.NativeTool)
-		}
+	case "WorkflowEvent":
+		// The resource is already a *NativeTool with Kind=WORKFLOW_EVENT set by the
+		// catalog factory. We use it directly without any DB lookup.
+		nt := resource.(*resources.NativeTool)
+		nt.Name = native_tools.WORKFLOW_EVENT.String()
+		d.NativeTool = append(d.NativeTool, nt.GetID())
+		graphItem.NativeTool = nt
 	case "Storage":
 		d.Storages = append(d.Storages, resource.GetID())
 		d.StorageResources = append(d.StorageResources, resource.(*resources.StorageResource))
@@ -308,7 +423,7 @@ func (d *Workflow) getNewGraphItem(dataName string, graphItem *graph.GraphItem,
 		d.ComputeResources = append(d.ComputeResources, resource.(*resources.ComputeResource))
 		graphItem.Compute = resource.(*resources.ComputeResource)
 	default:
-		return graphItem
+		return nil
 	}
 	return graphItem
 }
@@ -480,8 +595,36 @@ func (wfa *Workflow) CheckBooking(caller *tools.HTTPCaller) (bool, error) {
 	return true, nil
 }
 
-func (wf *Workflow) Planify(start time.Time, end *time.Time, instances ConfigItem, partnerships ConfigItem, buyings ConfigItem, strategies ConfigItem, bookingMode int, request *tools.APIRequest) (bool, float64, map[tools.DataType]map[string]pricing.PricedItemITF, *Workflow, error) {
+// preemptDelay is the minimum lead time granted before a preempted booking starts.
+const preemptDelay = 30 * time.Second
+
+// Planify computes the scheduled start/end for every resource in the workflow.
+//
+// bookingMode controls availability checking when p (a live planner snapshot) is provided:
+//   - PREEMPTED   : start from now+preemptDelay regardless of existing load.
+//   - WHEN_POSSIBLE: start from max(now, start); if a slot conflicts, slide to the next free window.
+//   - PLANNED     : use start as-is; return an error if the slot is not available.
+//
+// Passing p = nil skips all availability checks (useful for sub-workflow recursion).
+func (wf *Workflow) Planify(start time.Time, end *time.Time, instances ConfigItem, partnerships ConfigItem, buyings ConfigItem, strategies ConfigItem, bookingMode int, p planner.PlannerITF, request *tools.APIRequest) (bool, float64, map[tools.DataType]map[string]pricing.PricedItemITF, *Workflow, error) {
+	// 1. Adjust global start based on booking mode.
+	now := time.Now()
+	switch booking.BookingMode(bookingMode) {
+	case booking.PREEMPTED:
+		if earliest := now.Add(preemptDelay); start.Before(earliest) {
+			start = earliest
+		}
+	case booking.WHEN_POSSIBLE:
+		if start.Before(now) {
+			start = now
+		}
+	// PLANNED: honour the caller's start date as-is.
+	}
+
 	priceds := map[tools.DataType]map[string]pricing.PricedItemITF{}
+	var err error
+
+	// 2. Plan processings first so we can derive the total workflow duration.
 	ps, priceds, err := plan[*resources.ProcessingResource](tools.PROCESSING_RESOURCE, instances, partnerships, buyings, strategies, bookingMode, wf, priceds, request, wf.Graph.IsProcessing,
 		func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64, error) {
 			d, err := wf.Graph.GetAverageTimeProcessingBeforeStart(0, res.GetID(),
@@ -492,12 +635,17 @@ func (wf *Workflow) Planify(start time.Time, end *time.Time, instances ConfigIte
 			}
 			return start.Add(time.Duration(d) * time.Second), priced.GetExplicitDurationInS(), nil
 		}, func(started time.Time, duration float64) (*time.Time, error) {
-			s := started.Add(time.Duration(duration))
+			s := started.Add(time.Duration(duration) * time.Second)
 			return &s, nil
 		})
 	if err != nil {
 		return false, 0, priceds, nil, err
 	}
+
+	// Total workflow duration used as the booking window for compute/storage.
+	// Returns -1 if any processing is a service (open-ended).
+	workflowDuration := common.GetPlannerLongestTime(priceds)
+
 	if _, priceds, err = plan[resources.ResourceInterface](tools.NATIVE_TOOL, instances, partnerships, buyings, strategies, bookingMode, wf, priceds, request,
 		wf.Graph.IsNativeTool, func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64, error) {
 			return start, 0, nil
@@ -514,11 +662,13 @@ func (wf *Workflow) Planify(start time.Time, end *time.Time, instances ConfigIte
 		}); err != nil {
 		return false, 0, priceds, nil, err
 	}
+
+	// 3. Compute/storage: duration = total workflow duration (conservative bound).
 	for k, f := range map[tools.DataType]func(graph.GraphItem) bool{tools.STORAGE_RESOURCE: wf.Graph.IsStorage,
 		tools.COMPUTE_RESOURCE: wf.Graph.IsCompute} {
 		if _, priceds, err = plan[resources.ResourceInterface](k, instances, partnerships, buyings, strategies, bookingMode, wf, priceds, request,
 			f, func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64, error) {
-				nearestStart, longestDuration, err := wf.Graph.GetAverageTimeRelatedToProcessingActivity(start, ps, res, func(i graph.GraphItem) (r resources.ResourceInterface) {
+				nearestStart, _, err := wf.Graph.GetAverageTimeRelatedToProcessingActivity(ps, res, func(i graph.GraphItem) (r resources.ResourceInterface) {
 					if f(i) {
 						_, r = i.GetResource()
 					}
@@ -526,27 +676,31 @@ func (wf *Workflow) Planify(start time.Time, end *time.Time, instances ConfigIte
 				}, *instances.Get(res.GetID()), *partnerships.Get(res.GetID()),
 					*buyings.Get(res.GetID()), *strategies.Get(res.GetID()), bookingMode, request)
 				if err != nil {
-					return start, longestDuration, err
+					return start, workflowDuration, err
 				}
-				return start.Add(time.Duration(nearestStart) * time.Second), longestDuration, nil
+				return start.Add(time.Duration(nearestStart) * time.Second), workflowDuration, nil
 			}, func(started time.Time, duration float64) (*time.Time, error) {
-				s := started.Add(time.Duration(duration))
+				if duration < 0 {
+					return nil, nil // service: open-ended booking
+				}
+				s := started.Add(time.Duration(duration) * time.Second)
 				return &s, nil
 			}); err != nil {
 			return false, 0, priceds, nil, err
 		}
 	}
-	longest := common.GetPlannerLongestTime(end, priceds, request)
+
+	longest := workflowDuration
 	if _, priceds, err = plan[resources.ResourceInterface](tools.WORKFLOW_RESOURCE, instances, partnerships, buyings, strategies,
 		bookingMode, wf, priceds, request, wf.Graph.IsWorkflow,
 		func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64, error) {
-			start := start.Add(time.Duration(common.GetPlannerNearestStart(start, priceds, request)) * time.Second)
+			start := start.Add(time.Duration(common.GetPlannerNearestStart(start, priceds)) * time.Second)
 			longest := float64(-1)
 			r, code, err := res.GetAccessor(request).LoadOne(res.GetID())
 			if code != 200 || err != nil {
 				return start, longest, err
 			}
-			_, neoLongest, priceds2, _, err := r.(*Workflow).Planify(start, end, instances, partnerships, buyings, strategies, bookingMode, request)
+			_, neoLongest, priceds2, _, err := r.(*Workflow).Planify(start, end, instances, partnerships, buyings, strategies, bookingMode, nil, request)
 			// should ... import priced
 			if err != nil {
 				return start, longest, err
@@ -564,13 +718,26 @@ func (wf *Workflow) Planify(start time.Time, end *time.Time, instances ConfigIte
 
 				}
 			}
-			return start.Add(time.Duration(common.GetPlannerNearestStart(start, priceds, request)) * time.Second), longest, nil
+			return start.Add(time.Duration(common.GetPlannerNearestStart(start, priceds)) * time.Second), longest, nil
 		}, func(start time.Time, longest float64) (*time.Time, error) {
 			s := start.Add(time.Duration(longest) * time.Second)
 			return &s, nil
 		}); err != nil {
 		return false, 0, priceds, nil, err
 	}
+
+	// 4. Availability check against the live planner (skipped for PREEMPTED and sub-workflows).
+	if p != nil && booking.BookingMode(bookingMode) != booking.PREEMPTED {
+		slide, err := plannerAvailabilitySlide(p, priceds, booking.BookingMode(bookingMode))
+		if err != nil {
+			return false, 0, priceds, nil, err
+		}
+		if slide > 0 {
+			// Re-plan from the corrected start; pass nil planner to avoid infinite recursion.
+			return wf.Planify(start.Add(slide), end, instances, partnerships, buyings, strategies, bookingMode, nil, request)
+		}
+	}
+
 	isPreemptible := true
 	for _, first := range wf.GetFirstItems() {
 		_, res := first.GetResource()
@@ -582,6 +749,36 @@ func (wf *Workflow) Planify(start time.Time, end *time.Time, instances ConfigIte
 	return isPreemptible, longest, priceds, wf, nil
 }
 
+// plannerAvailabilitySlide checks all compute/storage resources in priceds against the planner.
+// For PLANNED mode it returns an error immediately on the first conflict.
+// For WHEN_POSSIBLE it returns the maximum slide (duration to add to global start) needed to
+// clear all conflicts, or 0 if the plan is already conflict-free.
+func plannerAvailabilitySlide(p planner.PlannerITF, priceds map[tools.DataType]map[string]pricing.PricedItemITF, mode booking.BookingMode) (time.Duration, error) {
+	maxSlide := time.Duration(0)
+	for _, dt := range []tools.DataType{tools.COMPUTE_RESOURCE, tools.STORAGE_RESOURCE} {
+		for _, priced := range priceds[dt] {
+			locStart := priced.GetLocationStart()
+			locEnd := priced.GetLocationEnd()
+			if locStart == nil || locEnd == nil {
+				continue // open-ended: skip availability check
+			}
+			d := locEnd.Sub(*locStart)
+			next := p.NextAvailableStart(priced.GetID(), priced.GetInstanceID(), *locStart, d)
+			slide := next.Sub(*locStart)
+			if slide <= 0 {
+				continue
+			}
+			if mode == booking.PLANNED {
+				return 0, errors.New("requested slot is not available for resource " + priced.GetID())
+			}
+			if slide > maxSlide {
+				maxSlide = slide
+			}
+		}
+	}
+	return maxSlide, nil
+}
+
 // Returns a map of DataType (processing,computing,data,storage,worfklow) where each resource (identified by its UUID)
 // is mapped to the list of its items (different appearance) in the graph
 // ex: if the same Minio storage is represented by several nodes in the graph, in [tools.STORAGE_RESSOURCE] its UUID will be mapped to
@@ -642,9 +839,6 @@ func plan[T resources.ResourceInterface](
 				priced.SetLocationEnd(*e)
 			}
 		}
-		if e, err := end(started, priced.GetExplicitDurationInS()); err != nil && e != nil {
-			priced.SetLocationEnd(*e)
-		}
 		resources = append(resources, realItem.(T))
 		if priceds[dt][item.ID] != nil {
 			priced.AddQuantity(priceds[dt][item.ID].GetQuantity())

models/workflow_execution/workflow_execution.go

@@ -2,7 +2,6 @@ package workflow_execution
 
 import (
 	"encoding/json"
-	"fmt"
 	"strings"
 	"time"
 
@@ -66,7 +65,7 @@ func (wfa *WorkflowExecution) Equals(we *WorkflowExecution) bool {
 func (ws *WorkflowExecution) PurgeDraft(request *tools.APIRequest) error {
 	if ws.EndDate == nil {
 		// if no end... then Book like a savage
-		e := ws.ExecDate.Add(time.Hour)
+		e := ws.ExecDate.UTC().Add(time.Hour)
 		ws.EndDate = &e
 	}
 	accessor := ws.GetAccessor(request)
@@ -133,7 +132,6 @@ func (d *WorkflowExecution) Buy(bs pricing.BillingStrategy, executionsID string,
 	purchases = append(purchases, d.buyEach(bs, executionsID, wfID, tools.DATA_RESOURCE, priceds[tools.DATA_RESOURCE])...)
 	d.PurchasesState = map[string]bool{}
 	for _, p := range purchases {
-		p.SetID(uuid.NewString())
 		d.PurchasesState[p.GetID()] = false
 	}
 	return purchases
@@ -142,7 +140,6 @@ func (d *WorkflowExecution) Buy(bs pricing.BillingStrategy, executionsID string,
 func (d *WorkflowExecution) buyEach(bs pricing.BillingStrategy, executionsID string, wfID string, dt tools.DataType, priceds map[string]pricing.PricedItemITF) []*purchase_resource.PurchaseResource {
 	items := []*purchase_resource.PurchaseResource{}
 	for itemID, priced := range priceds {
-		fmt.Println(priced.IsPurchasable(), bs)
 		if !priced.IsPurchasable() || bs != pricing.BILL_ONCE { // buy only that must be buy
 			continue
 		}
@@ -156,7 +153,7 @@ func (d *WorkflowExecution) buyEach(bs pricing.BillingStrategy, executionsID str
 			d.PeerBuyByGraph[priced.GetCreatorID()][itemID] = []string{}
 		}
 		start := d.ExecDate
-		if s := priced.GetLocationStart(); s != nil {
+		if s := priced.GetLocationStart(); s != nil && s.After(time.Now()) {
 			start = *s
 		}
 		var m map[string]interface{}
@@ -191,7 +188,6 @@ func (d *WorkflowExecution) Book(executionsID string, wfID string, priceds map[t
 	booking = append(booking, d.bookEach(executionsID, wfID, tools.COMPUTE_RESOURCE, priceds[tools.COMPUTE_RESOURCE])...)
 	booking = append(booking, d.bookEach(executionsID, wfID, tools.DATA_RESOURCE, priceds[tools.DATA_RESOURCE])...)
 	for _, p := range booking {
-		p.SetID(uuid.NewString())
 		if d.BookingsState == nil {
 			d.BookingsState = map[string]bool{}
 		}
@@ -216,10 +212,20 @@ func (d *WorkflowExecution) bookEach(executionsID string, wfID string, dt tools.
 			d.PeerBookByGraph[priced.GetCreatorID()][itemID] = []string{}
 		}
 		start := d.ExecDate
-		if s := priced.GetLocationStart(); s != nil {
+		if s := priced.GetLocationStart(); s != nil && s.After(time.Now()) {
 			start = *s
 		}
-		end := start.Add(time.Duration(priced.GetExplicitDurationInS()) * time.Second)
+		// Prefer LocationEnd set by Planify; fall back to ExplicitDurationInS only
+		// when Planify did not compute an end (open-ended / service resources).
+		var endDate *time.Time
+		if locEnd := priced.GetLocationEnd(); locEnd != nil {
+			endDate = locEnd
+		} else if durationS := priced.GetExplicitDurationInS(); durationS > 0 {
+			e := start.Add(time.Duration(durationS) * time.Second)
+			endDate = &e
+		}
+		// durationS < 0 means the resource is a service (runs indefinitely):
+		// leave ExpectedEndDate nil so the booking is open-ended.
 		var m map[string]interface{}
 		b, _ := json.Marshal(priced)
 		json.Unmarshal(b, &m)
@@ -239,7 +245,7 @@ func (d *WorkflowExecution) bookEach(executionsID string, wfID string, dt tools.
 			WorkflowID:        wfID,
 			ExecutionID:       d.GetID(),
 			ExpectedStartDate: start,
-			ExpectedEndDate:   &end,
+			ExpectedEndDate:   endDate,
 		}
 		items = append(items, bookingItem)
 		d.PeerBookByGraph[priced.GetCreatorID()][itemID] = append(

models/workflow_execution/workflow_execution_mongo_accessor.go

@@ -24,7 +24,7 @@ func newShallowAccessor(request *tools.APIRequest) *WorkflowExecutionMongoAccess
 			Request:        request,
 			Type:           tools.WORKFLOW_EXECUTION,
 			New:            func() *WorkflowExecution { return &WorkflowExecution{} },
-			NotImplemented: []string{"DeleteOne", "StoreOne", "CopyOne"},
+			NotImplemented: []string{"CopyOne"},
 		},
 	}
 }
@@ -37,7 +37,7 @@ func NewAccessor(request *tools.APIRequest) *WorkflowExecutionMongoAccessor {
 			Request:        request,
 			Type:           tools.WORKFLOW_EXECUTION,
 			New:            func() *WorkflowExecution { return &WorkflowExecution{} },
-			NotImplemented: []string{"DeleteOne", "StoreOne", "CopyOne"},
+			NotImplemented: []string{"CopyOne"},
 		},
 	}
 }
@@ -52,7 +52,7 @@ func (wfa *WorkflowExecutionMongoAccessor) UpdateOne(set map[string]interface{},
 }
 
 func (a *WorkflowExecutionMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
-	return utils.GenericLoadOne[*WorkflowExecution](id, a.New(), func(d utils.DBObject) (utils.DBObject, int, error) {
+	return utils.GenericLoadOne(id, a.New(), func(d utils.DBObject) (utils.DBObject, int, error) {
 		now := time.Now()
 		now = now.Add(time.Second * -60)
 		if d.(*WorkflowExecution).State == enum.DRAFT && !a.shallow && now.UTC().After(d.(*WorkflowExecution).ExecDate) {

tools/crypto.go

@@ -13,7 +13,6 @@ import (
 
 func LoadKeyFromFilePrivate() (crypto.PrivKey, error) {
 	path := config.GetConfig().PrivateKeyPath
-	fmt.Println(path)
 	data, err := os.ReadFile(path)
 	if err != nil {
 		return nil, err

tools/kubernetes.go

@@ -35,12 +35,16 @@ type KubernetesService struct {
 }
 
 func NewDynamicClient(host string, ca string, cert string, data string) (*dynamic.DynamicClient, error) {
+	decodedCa, _ := base64.StdEncoding.DecodeString(ca)
+	decodedCert, _ := base64.StdEncoding.DecodeString(cert)
+	decodedKey, _ := base64.StdEncoding.DecodeString(data)
+
 	config := &rest.Config{
 		Host: host,
 		TLSClientConfig: rest.TLSClientConfig{
-			CAData:   []byte(ca),
-			CertData: []byte(cert),
-			KeyData:  []byte(data),
+			CAData:   []byte(decodedCa),
+			CertData: []byte(decodedCert),
+			KeyData:  []byte(decodedKey),
 		},
 	}
 
@@ -56,18 +60,21 @@ func NewDynamicClient(host string, ca string, cert string, data string) (*dynami
 }
 
 func NewKubernetesService(host string, ca string, cert string, data string) (*KubernetesService, error) {
+	decodedCa, _ := base64.StdEncoding.DecodeString(ca)
+	decodedCert, _ := base64.StdEncoding.DecodeString(cert)
+	decodedKey, _ := base64.StdEncoding.DecodeString(data)
+
 	config := &rest.Config{
 		Host: host,
 		TLSClientConfig: rest.TLSClientConfig{
-			CAData:   []byte(ca),
-			CertData: []byte(cert),
-			KeyData:  []byte(data),
+			CAData:   []byte(decodedCa),
+			CertData: []byte(decodedCert),
+			KeyData:  []byte(decodedKey),
 		},
 	}
 
 	// Create clientset
 	clientset, err := kubernetes.NewForConfig(config)
-	fmt.Println("NewForConfig", clientset, err)
 	if err != nil {
 		return nil, errors.New("Error creating Kubernetes client: " + err.Error())
 	}
@@ -84,38 +91,6 @@ func NewKubernetesService(host string, ca string, cert string, data string) (*Ku
 	}, nil
 }
 
-func NewRemoteKubernetesService(url string, ca string, cert string, key string) (*KubernetesService, error) {
-	decodedCa, _ := base64.StdEncoding.DecodeString(ca)
-	decodedCert, _ := base64.StdEncoding.DecodeString(cert)
-	decodedKey, _ := base64.StdEncoding.DecodeString(key)
-
-	config := &rest.Config{
-		Host: url + ":6443",
-		TLSClientConfig: rest.TLSClientConfig{
-			CAData:   decodedCa,
-			CertData: decodedCert,
-			KeyData:  decodedKey,
-		},
-	}
-	// Create clientset
-	clientset, err := kubernetes.NewForConfig(config)
-	fmt.Println("NewForConfig", clientset, err)
-	if err != nil {
-		return nil, errors.New("Error creating Kubernetes client: " + err.Error())
-	}
-	if clientset == nil {
-		return nil, errors.New("Error creating Kubernetes client: clientset is nil")
-	}
-
-	return &KubernetesService{
-		Set:  clientset,
-		Host: url,
-		CA:   string(decodedCa),
-		Cert: string(decodedCert),
-		Data: string(decodedKey),
-	}, nil
-}
-
 func (k *KubernetesService) CreateNamespace(ctx context.Context, ns string) error {
 	// Define the namespace
 	fmt.Println("ExecutionID in CreateNamespace() : ", ns)
@@ -128,7 +103,7 @@ func (k *KubernetesService) CreateNamespace(ctx context.Context, ns string) erro
 		},
 	}
 	// Create the namespace
-	fmt.Println("Creating namespace...", k.Set)
+	fmt.Println("Creating namespace...")
 	if _, err := k.Set.CoreV1().Namespaces().Create(ctx, namespace, metav1.CreateOptions{}); err != nil {
 		return errors.New("Error creating namespace: " + err.Error())
 	}
@@ -208,6 +183,40 @@ func (k *KubernetesService) CreateRoleBinding(ctx context.Context, ns string, ro
 	return nil
 }
 
+// ProvisionExecutionNamespace creates the full Argo execution environment for a
+// namespace: namespace, service-account, role and role-binding. Idempotent — if
+// the namespace already exists the call is a no-op.
+func (k *KubernetesService) ProvisionExecutionNamespace(ctx context.Context, ns string) error {
+	existing, _ := k.GetNamespace(ctx, ns)
+	if existing != nil {
+		return nil
+	}
+	if err := k.CreateNamespace(ctx, ns); err != nil && !strings.Contains(err.Error(), "already exists") {
+		return err
+	}
+	if err := k.CreateServiceAccount(ctx, ns); err != nil && !strings.Contains(err.Error(), "already exists") {
+		return err
+	}
+	role := "argo-role"
+	if err := k.CreateRole(ctx, ns, role,
+		[][]string{{"coordination.k8s.io"}, {""}, {""}},
+		[][]string{{"leases"}, {"secrets"}, {"pods"}},
+		[][]string{{"get", "create", "update"}, {"get"}, {"patch"}},
+	); err != nil {
+		return err
+	}
+	return k.CreateRoleBinding(ctx, ns, "argo-role-binding", role)
+}
+
+// TeardownExecutionNamespace deletes the namespace and lets Kubernetes cascade
+// the deletion of all contained resources (SA, Role, RoleBinding, pods…).
+func (k *KubernetesService) TeardownExecutionNamespace(ctx context.Context, ns string) error {
+	if err := k.Set.CoreV1().Namespaces().Delete(ctx, ns, metav1.DeleteOptions{}); err != nil {
+		return errors.New("error deleting namespace " + ns + ": " + err.Error())
+	}
+	return nil
+}
+
 func (k *KubernetesService) DeleteNamespace(ctx context.Context, ns string, f func()) error {
 	targetGVR := schema.GroupVersionResource{
 		Group:    "multicluster.admiralty.io",
@@ -270,17 +279,12 @@ func (k *KubernetesService) GetTargets(ctx context.Context) ([]string, error) {
 		return nil, err
 	}
 
-	fmt.Println(string(resp))
 	var targetDict map[string]interface{}
 	err = json.Unmarshal(resp, &targetDict)
 	if err != nil {
-		fmt.Println("TODO: handle the error when unmarshalling k8s API response")
 		return nil, err
 	}
 
-	b, _ := json.MarshalIndent(targetDict, "", " ")
-	fmt.Println(string(b))
-
 	data := targetDict["items"].([]interface{})
 
 	for _, item := range data {
@@ -390,7 +394,6 @@ func (k *KubernetesService) CreateKubeconfigSecret(context context.Context, kube
 	// config, err := base64.RawStdEncoding.DecodeString(kubeconfig)
 	if err != nil {
 		fmt.Println("Error while encoding kubeconfig")
-		fmt.Println(err)
 		return nil, err
 	}
 
@@ -400,21 +403,6 @@ func (k *KubernetesService) CreateKubeconfigSecret(context context.Context, kube
 			"config": config,
 		},
 		)
-
-	// exists, err := k.GetKubeconfigSecret(context,executionId)
-	// if err != nil {
-	// 	fmt.Println("Error verifying if kube secret exists in namespace ", executionId)
-	// 	return nil, err
-	// }
-	// if exists != nil {
-	// 	fmt.Println("kube-secret already exists in namespace", executionId)
-	// 	fmt.Println("Overriding existing kube-secret with a newer resource")
-	// 	// TODO : implement DeleteKubeConfigSecret(executionID)
-	// 	deleted, err := k.DeleteKubeConfigSecret(executionId)
-	// 	_ = deleted
-	// 	_ = err
-	// }
-
 	resp, err := k.Set.CoreV1().
 		Secrets(executionId).
 		Apply(context,
@@ -425,14 +413,12 @@ func (k *KubernetesService) CreateKubeconfigSecret(context context.Context, kube
 
 	if err != nil {
 		fmt.Println("Error while trying to contact API to get secret kube-secret-" + executionId)
-		fmt.Println(err)
 		return nil, err
 	}
 
 	data, err := json.Marshal(resp)
 	if err != nil {
 		fmt.Println("Couldn't marshal resp from : ", data)
-		fmt.Println(err)
 		return nil, err
 	}
 	return data, nil
@@ -449,7 +435,6 @@ func (k *KubernetesService) GetKubeconfigSecret(context context.Context, executi
 			return nil, nil
 		}
 		fmt.Println("Error while trying to contact API to get secret kube-secret-" + executionId)
-		fmt.Println(err)
 		return nil, err
 	}
 
@@ -457,7 +442,6 @@ func (k *KubernetesService) GetKubeconfigSecret(context context.Context, executi
 
 	if err != nil {
 		fmt.Println("Couldn't marshal resp from : ", data)
-		fmt.Println(err)
 		return nil, err
 	}
 
@@ -512,15 +496,14 @@ func dynamicClientApply(host string, ca string, cert string, data string, execut
 			},
 		)
 	if err != nil {
-		o, err := json.Marshal(object)
-		fmt.Println("Error from k8s API when applying "+fmt.Sprint(string(o))+" to "+gvrSources.String()+" : ", err)
+		fmt.Println("Error from k8s API when applying "+fmt.Sprintf("%v", object)+" to "+gvrSources.String()+" : ", err)
 		return nil, err
 	}
 
 	// We can add more info to the log with the content of resp if not nil
 	resByte, err := json.Marshal(res)
 	if err != nil {
-		// fmt.Println("Error trying to create a Source on remote cluster : ", err , " : ", res)
+		fmt.Println("Error trying to create a Source on remote cluster : ", err, " : ", res)
 		return nil, err
 	}
 
@@ -578,7 +561,6 @@ func (k *KubernetesService) GetOneNode(context context.Context, executionID stri
 		)
 	if err != nil {
 		fmt.Println("Error getting the list of nodes from k8s API")
-		fmt.Println(err)
 		return nil, err
 	}
 

tools/nats_caller.go

@@ -28,7 +28,9 @@ type NATSMethod int
 
 var meths = []string{"remove execution", "create execution", "planner execution", "discovery",
 	"workflow event", "argo kube event", "create resource", "remove resource",
-	"propalgation event", "search event",
+	"propalgation event", "search event", "confirm event",
+	"considers event", "admiralty config event", "minio config event",
+	"workflow started event", "workflow step done event", "workflow done event",
 }
 
 const (
@@ -45,6 +47,19 @@ const (
 
 	PROPALGATION_EVENT
 	SEARCH_EVENT
+
+	CONFIRM_EVENT
+
+	CONSIDERS_EVENT
+	ADMIRALTY_CONFIG_EVENT
+	MINIO_CONFIG_EVENT
+
+	// Workflow lifecycle events emitted by oc-monitord.
+	// oc-scheduler listens to STARTED and DONE to maintain WorkflowExecution state.
+	// oc-datacenter listens to STEP_DONE and DONE to close bookings and tear down infra.
+	WORKFLOW_STARTED_EVENT
+	WORKFLOW_STEP_DONE_EVENT
+	WORKFLOW_DONE_EVENT
 )
 
 func (n NATSMethod) String() string {
@@ -54,7 +69,9 @@ func (n NATSMethod) String() string {
 // NameToMethod returns the NATSMethod enum value from a string
 func NameToMethod(name string) NATSMethod {
 	for _, v := range [...]NATSMethod{REMOVE_EXECUTION, CREATE_EXECUTION, PLANNER_EXECUTION, DISCOVERY, WORKFLOW_EVENT, ARGO_KUBE_EVENT,
-		CREATE_RESOURCE, REMOVE_RESOURCE, PROPALGATION_EVENT, SEARCH_EVENT} {
+		CREATE_RESOURCE, REMOVE_RESOURCE, PROPALGATION_EVENT, SEARCH_EVENT, CONFIRM_EVENT,
+		CONSIDERS_EVENT, ADMIRALTY_CONFIG_EVENT, MINIO_CONFIG_EVENT,
+		WORKFLOW_STARTED_EVENT, WORKFLOW_STEP_DONE_EVENT, WORKFLOW_DONE_EVENT} {
 		if strings.Contains(strings.ToLower(v.String()), strings.ToLower(name)) {
 			return v
 		}

tools/workflow_lifecycle.go

@@ -0,0 +1,33 @@
+package tools
+
+import "time"
+
+// StepMetric carries the outcome of one Argo step node as observed by oc-monitord.
+// Embedded in WorkflowLifecycleEvent.Steps for the WORKFLOW_DONE_EVENT recap.
+type StepMetric struct {
+	BookingID string     `json:"booking_id"`
+	State     int        `json:"state"`
+	RealStart *time.Time `json:"real_start,omitempty"`
+	RealEnd   *time.Time `json:"real_end,omitempty"`
+}
+
+// WorkflowLifecycleEvent is the NATS payload emitted by oc-monitord on
+// WORKFLOW_STARTED_EVENT, WORKFLOW_STEP_DONE_EVENT, and WORKFLOW_DONE_EVENT.
+//
+//   - ExecutionID  : WorkflowExecution UUID (used by oc-scheduler to update state)
+//   - ExecutionsID : run-group ID shared by all bookings of the same run
+//   - BookingID    : non-empty only for WORKFLOW_STEP_DONE_EVENT
+//   - State        : target state (enum index: SUCCESS=3, FAILURE=4, STARTED=2, …)
+//   - RealStart    : actual start timestamp recorded by Argo (nil if unknown)
+//   - RealEnd      : actual end timestamp recorded by Argo (nil for STARTED events)
+//   - Steps        : non-nil only for WORKFLOW_DONE_EVENT — full recap of every step
+//     so oc-scheduler and oc-catalog can catch up if they missed STEP_DONE events
+type WorkflowLifecycleEvent struct {
+	ExecutionID  string       `json:"execution_id"`
+	ExecutionsID string       `json:"executions_id"`
+	BookingID    string       `json:"booking_id,omitempty"`
+	State        int          `json:"state"`
+	RealStart    *time.Time   `json:"real_start,omitempty"`
+	RealEnd      *time.Time   `json:"real_end,omitempty"`
+	Steps        []StepMetric `json:"steps,omitempty"`
+}