oc-lib/models/workflow/workflow.go

109 lines
3.7 KiB
Go

package workflow
import (
"encoding/json"
"errors"
"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/datacenter"
"cloud.o-forge.io/core/oc-lib/models/resources/workflow/graph"
"cloud.o-forge.io/core/oc-lib/models/utils"
"cloud.o-forge.io/core/oc-lib/tools"
)
/*
* AbstractWorkflow is a struct that represents a workflow for resource or native workflow
* Warning: there is 2 types of workflows, the resource workflow and the native workflow
* native workflow is the one that you create to schedule an execution
* resource workflow is the one that is created to set our native workflow in catalog
*/
type AbstractWorkflow struct {
resources.ResourceSet
Graph *graph.Graph `bson:"graph,omitempty" json:"graph,omitempty"` // Graph UI & logic representation of the workflow
ScheduleActive bool `json:"schedule_active" bson:"schedule_active"` // ScheduleActive is a flag that indicates if the schedule is active, if not the workflow is not scheduled and no execution or booking will be set
Schedule *WorkflowSchedule `bson:"schedule,omitempty" json:"schedule,omitempty"` // Schedule is the schedule of the workflow
Shared []string `json:"shared,omitempty" bson:"shared,omitempty"` // Shared is the ID of the shared workflow
}
// tool function to check if a link is a link between a datacenter and a resource
func (w *AbstractWorkflow) isDCLink(link graph.GraphLink) (bool, string) {
if w.Graph == nil || w.Graph.Items == nil {
return false, ""
}
if d, ok := w.Graph.Items[link.Source.ID]; ok && d.Datacenter != nil {
return true, d.Datacenter.UUID
}
if d, ok := w.Graph.Items[link.Destination.ID]; ok && d.Datacenter != nil {
return true, d.Datacenter.UUID
}
return false, ""
}
/*
* Workflow is a struct that represents a workflow
* it defines the native workflow
*/
type Workflow struct {
utils.AbstractObject // AbstractObject contains the basic fields of an object (id, name)
AbstractWorkflow // AbstractWorkflow contains the basic fields of a workflow
}
/*
* CheckBooking is a function that checks the booking of the workflow on peers (even ourselves)
*/
func (wfa *Workflow) CheckBooking(caller *tools.HTTPCaller) (bool, error) {
// check if
if wfa.Graph == nil { // no graph no booking
return false, nil
}
accessor := (&datacenter.DatacenterResource{}).GetAccessor(nil)
for _, link := range wfa.Graph.Links {
if ok, dc_id := wfa.isDCLink(link); ok { // check if the link is a link between a datacenter and a resource
dc, code, _ := accessor.LoadOne(dc_id)
if code != 200 {
continue
}
// CHECK BOOKING ON PEER, datacenter could be a remote one
peerID := dc.(*datacenter.DatacenterResource).PeerID
if peerID == "" {
return false, errors.New("no peer id")
} // no peer id no booking, we need to know where to book
_, err := (&peer.Peer{}).LaunchPeerExecution(peerID, dc_id, utils.BOOKING, tools.GET, nil, caller)
if err != nil {
return false, err
}
}
}
return true, nil
}
func (d *Workflow) GetName() string {
return d.Name
}
func (d *Workflow) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
data := New() // Create a new instance of the accessor
data.Init(utils.WORKFLOW, caller) // Initialize the accessor with the WORKFLOW model type
return data
}
func (dma *Workflow) Deserialize(j map[string]interface{}) utils.DBObject {
b, err := json.Marshal(j)
if err != nil {
return nil
}
json.Unmarshal(b, dma)
return dma
}
func (dma *Workflow) Serialize() map[string]interface{} {
var m map[string]interface{}
b, err := json.Marshal(dma)
if err != nil {
return nil
}
json.Unmarshal(b, &m)
return m
}