// Allocations is used to list the allocations for a job
func (j *Job) Allocations(args *structs.JobSpecificRequest,
reply *structs.JobAllocationsResponse) error {
if done, err := j.srv.forward("Job.Allocations", args, args, reply); done {
return err
}
defer metrics.MeasureSince([]string{"nomad", "job", "allocations"}, time.Now())
// Setup the blocking query
opts := blockingOptions{
queryOpts: &args.QueryOptions,
queryMeta: &reply.QueryMeta,
watch: watch.NewItems(watch.Item{AllocJob: args.JobID}),
run: func() error {
// Capture the allocations
snap, err := j.srv.fsm.State().Snapshot()
if err != nil {
return err
}
allocs, err := snap.AllocsByJob(args.JobID)
if err != nil {
return err
}
// Convert to stubs
if len(allocs) > 0 {
reply.Allocations = make([]*structs.AllocListStub, 0, len(allocs))
for _, alloc := range allocs {
reply.Allocations = append(reply.Allocations, alloc.Stub())
}
}
// Use the last index that affected the allocs table
index, err := snap.Index("allocs")
if err != nil {
return err
}
reply.Index = index
// Set the query response
j.srv.setQueryMeta(&reply.QueryMeta)
return nil
}}
return j.srv.blockingRPC(&opts)
}
func (s *HTTPServer) jobAllocations(resp http.ResponseWriter, req *http.Request,
jobName string) (interface{}, error) {
if req.Method != "GET" {
return nil, CodedError(405, ErrInvalidMethod)
}
args := structs.JobSpecificRequest{
JobID: jobName,
}
if s.parse(resp, req, &args.Region, &args.QueryOptions) {
return nil, nil
}
var out structs.JobAllocationsResponse
if err := s.agent.RPC("Job.Allocations", &args, &out); err != nil {
return nil, err
}
setMeta(resp, &out.QueryMeta)
if out.Allocations == nil {
out.Allocations = make([]*structs.AllocListStub, 0)
}
return out.Allocations, nil
}