forked from hashicorp/nomad
/
alloc_endpoint.go
85 lines (69 loc) · 2.07 KB
/
alloc_endpoint.go
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package agent
import (
"net/http"
"strings"
"github.com/hashicorp/nomad/nomad/structs"
)
const (
allocNotFoundErr = "allocation not found"
)
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
}
func (s *HTTPServer) AllocSpecificRequest(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
allocID := strings.TrimPrefix(req.URL.Path, "/v1/allocation/")
if req.Method != "GET" {
return nil, CodedError(405, ErrInvalidMethod)
}
args := structs.AllocSpecificRequest{
AllocID: allocID,
}
if s.parse(resp, req, &args.Region, &args.QueryOptions) {
return nil, nil
}
var out structs.SingleAllocResponse
if err := s.agent.RPC("Alloc.GetAlloc", &args, &out); err != nil {
return nil, err
}
setMeta(resp, &out.QueryMeta)
if out.Alloc == nil {
return nil, CodedError(404, "alloc not found")
}
return out.Alloc, nil
}
func (s *HTTPServer) ClientAllocRequest(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if s.agent.client == nil {
return nil, clientNotRunning
}
reqSuffix := strings.TrimPrefix(req.URL.Path, "/v1/client/allocation/")
// tokenize the suffix of the path to get the alloc id and find the action
// invoked on the alloc id
tokens := strings.Split(reqSuffix, "/")
if len(tokens) == 1 || tokens[1] != "stats" {
return nil, CodedError(404, allocNotFoundErr)
}
allocID := tokens[0]
// Get the stats reporter
clientStats := s.agent.client.StatsReporter()
aStats, err := clientStats.GetAllocStats(allocID)
if err != nil {
return nil, err
}
task := req.URL.Query().Get("task")
return aStats.LatestAllocStats(task)
}