open-nomad/nomad/deployment_endpoint.go
2017-07-07 12:03:11 -07:00

55 lines
1.5 KiB
Go

package nomad
import (
"time"
metrics "github.com/armon/go-metrics"
memdb "github.com/hashicorp/go-memdb"
"github.com/hashicorp/nomad/nomad/state"
"github.com/hashicorp/nomad/nomad/structs"
)
// Deployment endpoint is used for manipulating deployments
type Deployment struct {
srv *Server
}
// TODO http endpoint and api
// Allocations returns the list of allocations that are a part of the deployment
func (d *Deployment) Allocations(args *structs.DeploymentSpecificRequest, reply *structs.AllocListResponse) error {
if done, err := d.srv.forward("Deployment.Allocations", args, args, reply); done {
return err
}
defer metrics.MeasureSince([]string{"nomad", "deployment", "allocations"}, time.Now())
// Setup the blocking query
opts := blockingOptions{
queryOpts: &args.QueryOptions,
queryMeta: &reply.QueryMeta,
run: func(ws memdb.WatchSet, state *state.StateStore) error {
// Capture all the allocations
allocs, err := state.AllocsByDeployment(ws, args.DeploymentID)
if err != nil {
return err
}
stubs := make([]*structs.AllocListStub, 0, len(allocs))
for _, alloc := range allocs {
stubs = append(stubs, alloc.Stub())
}
reply.Allocations = stubs
// Use the last index that affected the jobs table
index, err := state.Index("allocs")
if err != nil {
return err
}
reply.Index = index
// Set the query response
d.srv.setQueryMeta(&reply.QueryMeta)
return nil
}}
return d.srv.blockingRPC(&opts)
}