134 lines
3.5 KiB
Go
134 lines
3.5 KiB
Go
package agent
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/golang/snappy"
|
|
"github.com/hashicorp/nomad/nomad/structs"
|
|
)
|
|
|
|
const (
|
|
allocNotFoundErr = "allocation not found"
|
|
resourceNotFoundErr = "resource 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")
|
|
}
|
|
|
|
// Decode the payload if there is any
|
|
alloc := out.Alloc
|
|
if alloc.Job != nil && len(alloc.Job.Payload) != 0 {
|
|
decoded, err := snappy.Decode(nil, alloc.Job.Payload)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
alloc = alloc.Copy()
|
|
alloc.Job.Payload = decoded
|
|
}
|
|
|
|
return 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) != 2 {
|
|
return nil, CodedError(404, resourceNotFoundErr)
|
|
}
|
|
allocID := tokens[0]
|
|
switch tokens[1] {
|
|
case "stats":
|
|
return s.allocStats(allocID, resp, req)
|
|
case "snapshot":
|
|
return s.allocSnapshot(allocID, resp, req)
|
|
case "gc":
|
|
return s.allocGC(allocID, resp, req)
|
|
}
|
|
|
|
return nil, CodedError(404, resourceNotFoundErr)
|
|
}
|
|
|
|
func (s *HTTPServer) ClientGCRequest(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
|
|
if s.agent.client == nil {
|
|
return nil, clientNotRunning
|
|
}
|
|
return nil, s.agent.Client().CollectAllAllocs()
|
|
}
|
|
|
|
func (s *HTTPServer) allocGC(allocID string, resp http.ResponseWriter, req *http.Request) (interface{}, error) {
|
|
return nil, s.agent.Client().CollectAllocation(allocID)
|
|
}
|
|
|
|
func (s *HTTPServer) allocSnapshot(allocID string, resp http.ResponseWriter, req *http.Request) (interface{}, error) {
|
|
allocFS, err := s.agent.Client().GetAllocFS(allocID)
|
|
if err != nil {
|
|
return nil, fmt.Errorf(allocNotFoundErr)
|
|
}
|
|
if err := allocFS.Snapshot(resp); err != nil {
|
|
return nil, fmt.Errorf("error making snapshot: %v", err)
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
func (s *HTTPServer) allocStats(allocID string, resp http.ResponseWriter, req *http.Request) (interface{}, error) {
|
|
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)
|
|
}
|