Move handle* methods to their respective locations

Fix names
This commit is contained in:
Clayton Coleman 2014-07-29 18:54:20 -04:00
parent fe7f611d88
commit e64a393e1a
3 changed files with 96 additions and 94 deletions

View File

@ -21,18 +21,15 @@ import (
"fmt"
"io/ioutil"
"net/http"
"path"
"runtime/debug"
"strings"
"time"
"code.google.com/p/go.net/websocket"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/healthz"
"github.com/GoogleCloudPlatform/kubernetes/pkg/httplog"
"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
"github.com/GoogleCloudPlatform/kubernetes/pkg/version"
"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
"github.com/golang/glog"
)
@ -90,8 +87,8 @@ func New(storage map[string]RESTStorage, prefix string) *APIServer {
s.mux.HandleFunc("/", handleIndex)
// Handle both operations and operations/* with the same handler
s.mux.HandleFunc(s.operationPrefix(), s.handleOperationRequest)
s.mux.HandleFunc(s.operationPrefix()+"/", s.handleOperationRequest)
s.mux.HandleFunc(s.operationPrefix(), s.handleOperation)
s.mux.HandleFunc(s.operationPrefix()+"/", s.handleOperation)
// Proxy minion requests
s.mux.HandleFunc("/proxy/minion/", s.handleProxyMinion)
@ -309,102 +306,15 @@ func (s *APIServer) finishReq(op *Operation, w http.ResponseWriter) {
}
}
func (s *APIServer) operationPrefix() string {
return path.Join(s.prefix, "operations")
}
func (s *APIServer) handleOperationRequest(w http.ResponseWriter, req *http.Request) {
opPrefix := s.operationPrefix()
if !strings.HasPrefix(req.URL.Path, opPrefix) {
notFound(w, req)
return
}
trimmed := strings.TrimLeft(req.URL.Path[len(opPrefix):], "/")
parts := strings.Split(trimmed, "/")
if len(parts) > 1 {
notFound(w, req)
return
}
if req.Method != "GET" {
notFound(w, req)
return
}
if len(parts) == 0 {
// List outstanding operations.
list := s.ops.List()
writeJSON(http.StatusOK, list, w)
return
}
op := s.ops.Get(parts[0])
if op == nil {
notFound(w, req)
return
}
obj, complete := op.StatusOrResult()
if complete {
writeJSON(http.StatusOK, obj, w)
} else {
writeJSON(http.StatusAccepted, obj, w)
}
}
func (s *APIServer) watchPrefix() string {
return path.Join(s.prefix, "watch")
}
// handleWatch processes a watch request
func (s *APIServer) handleWatch(w http.ResponseWriter, req *http.Request) {
prefix := s.watchPrefix()
if !strings.HasPrefix(req.URL.Path, prefix) {
notFound(w, req)
return
}
parts := strings.Split(req.URL.Path[len(prefix):], "/")[1:]
if req.Method != "GET" || len(parts) < 1 {
notFound(w, req)
}
storage := s.storage[parts[0]]
if storage == nil {
notFound(w, req)
}
if watcher, ok := storage.(ResourceWatcher); ok {
var watching watch.Interface
var err error
if id := req.URL.Query().Get("id"); id != "" {
watching, err = watcher.WatchSingle(id)
} else {
watching, err = watcher.WatchAll()
}
if err != nil {
internalError(err, w)
return
}
// TODO: This is one watch per connection. We want to multiplex, so that
// multiple watches of the same thing don't create two watches downstream.
watchServer := &WatchServer{watching}
if req.Header.Get("Connection") == "Upgrade" && req.Header.Get("Upgrade") == "websocket" {
websocket.Handler(watchServer.HandleWS).ServeHTTP(httplog.Unlogged(w), req)
} else {
watchServer.ServeHTTP(w, req)
}
return
}
notFound(w, req)
}
// writeJSON renders an object as JSON to the response
func writeJSON(statusCode int, object interface{}, w http.ResponseWriter) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(statusCode)
output, err := api.Encode(object)
if err != nil {
internalError(err, w)
return
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(statusCode)
w.Write(output)
}

View File

@ -17,8 +17,11 @@ limitations under the License.
package apiserver
import (
"net/http"
"path"
"sort"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
@ -27,6 +30,47 @@ import (
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
)
func (s *APIServer) operationPrefix() string {
return path.Join(s.prefix, "operations")
}
func (s *APIServer) handleOperation(w http.ResponseWriter, req *http.Request) {
opPrefix := s.operationPrefix()
if !strings.HasPrefix(req.URL.Path, opPrefix) {
notFound(w, req)
return
}
trimmed := strings.TrimLeft(req.URL.Path[len(opPrefix):], "/")
parts := strings.Split(trimmed, "/")
if len(parts) > 1 {
notFound(w, req)
return
}
if req.Method != "GET" {
notFound(w, req)
return
}
if len(parts) == 0 {
// List outstanding operations.
list := s.ops.List()
writeJSON(http.StatusOK, list, w)
return
}
op := s.ops.Get(parts[0])
if op == nil {
notFound(w, req)
return
}
obj, complete := op.StatusOrResult()
if complete {
writeJSON(http.StatusOK, obj, w)
} else {
writeJSON(http.StatusAccepted, obj, w)
}
}
// Operation represents an ongoing action which the server is performing.
type Operation struct {
ID string

View File

@ -19,6 +19,8 @@ package apiserver
import (
"encoding/json"
"net/http"
"path"
"strings"
"code.google.com/p/go.net/websocket"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@ -26,6 +28,52 @@ import (
"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
)
func (s *APIServer) watchPrefix() string {
return path.Join(s.prefix, "watch")
}
// handleWatch processes a watch request
func (s *APIServer) handleWatch(w http.ResponseWriter, req *http.Request) {
prefix := s.watchPrefix()
if !strings.HasPrefix(req.URL.Path, prefix) {
notFound(w, req)
return
}
parts := strings.Split(req.URL.Path[len(prefix):], "/")[1:]
if req.Method != "GET" || len(parts) < 1 {
notFound(w, req)
}
storage := s.storage[parts[0]]
if storage == nil {
notFound(w, req)
}
if watcher, ok := storage.(ResourceWatcher); ok {
var watching watch.Interface
var err error
if id := req.URL.Query().Get("id"); id != "" {
watching, err = watcher.WatchSingle(id)
} else {
watching, err = watcher.WatchAll()
}
if err != nil {
internalError(err, w)
return
}
// TODO: This is one watch per connection. We want to multiplex, so that
// multiple watches of the same thing don't create two watches downstream.
watchServer := &WatchServer{watching}
if req.Header.Get("Connection") == "Upgrade" && req.Header.Get("Upgrade") == "websocket" {
websocket.Handler(watchServer.HandleWS).ServeHTTP(httplog.Unlogged(w), req)
} else {
watchServer.ServeHTTP(w, req)
}
return
}
notFound(w, req)
}
// WatchServer serves a watch.Interface over a websocket or vanilla HTTP.
type WatchServer struct {
watching watch.Interface