// List is used to list the allocations in the system
func (a *Alloc) List(args *structs.AllocListRequest, reply *structs.AllocListResponse) error {
if done, err := a.srv.forward("Alloc.List", args, args, reply); done {
return err
}
defer metrics.MeasureSince([]string{"nomad", "alloc", "list"}, time.Now())
// Setup the blocking query
opts := blockingOptions{
queryOpts: &args.QueryOptions,
queryMeta: &reply.QueryMeta,
watch: watch.NewItems(watch.Item{Table: "allocs"}),
run: func() error {
// Capture all the allocations
snap, err := a.srv.fsm.State().Snapshot()
if err != nil {
return err
}
var iter memdb.ResultIterator
if prefix := args.QueryOptions.Prefix; prefix != "" {
iter, err = snap.AllocsByIDPrefix(prefix)
} else {
iter, err = snap.Allocs()
}
if err != nil {
return err
}
var allocs []*structs.AllocListStub
for {
raw := iter.Next()
if raw == nil {
break
}
alloc := raw.(*structs.Allocation)
allocs = append(allocs, alloc.Stub())
}
reply.Allocations = allocs
// Use the last index that affected the jobs table
index, err := snap.Index("allocs")
if err != nil {
return err
}
reply.Index = index
// Set the query response
a.srv.setQueryMeta(&reply.QueryMeta)
return nil
}}
return a.srv.blockingRPC(&opts)
}
func (s *HTTPServer) AllocsRequest(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if req.Method != "GET" {
return nil, CodedError(405, ErrInvalidMethod)
}
args := structs.AllocListRequest{}
if s.parse(resp, req, &args.Region, &args.QueryOptions) {
return nil, nil
}
var out structs.AllocListResponse
if err := s.agent.RPC("Alloc.List", &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
}
// List is used to list the allocations in the system
func (a *Alloc) List(args *structs.AllocListRequest, reply *structs.AllocListResponse) error {
if done, err := a.srv.forward("Alloc.List", args, args, reply); done {
return err
}
defer metrics.MeasureSince([]string{"nomad", "alloc", "list"}, time.Now())
// Capture all the allocations
snap, err := a.srv.fsm.State().Snapshot()
if err != nil {
return err
}
iter, err := snap.Allocs()
if err != nil {
return err
}
for {
raw := iter.Next()
if raw == nil {
break
}
alloc := raw.(*structs.Allocation)
reply.Allocations = append(reply.Allocations, alloc.Stub())
}
// Use the last index that affected the jobs table
index, err := snap.Index("allocs")
if err != nil {
return err
}
reply.Index = index
// Set the query response
a.srv.setQueryMeta(&reply.QueryMeta)
return nil
}
