Dependencies for the affinity router and the
affinity routing daemon.
Change-Id: Icda72c3594ef7f8f0bc0c33dc03087a4c25529ca
diff --git a/vendor/github.com/coreos/etcd/proxy/grpcproxy/health.go b/vendor/github.com/coreos/etcd/proxy/grpcproxy/health.go
new file mode 100644
index 0000000..e5e91f2
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/proxy/grpcproxy/health.go
@@ -0,0 +1,41 @@
+// Copyright 2017 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package grpcproxy
+
+import (
+ "context"
+ "net/http"
+ "time"
+
+ "github.com/coreos/etcd/clientv3"
+ "github.com/coreos/etcd/etcdserver/api/etcdhttp"
+ "github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
+)
+
+// HandleHealth registers health handler on '/health'.
+func HandleHealth(mux *http.ServeMux, c *clientv3.Client) {
+ mux.Handle(etcdhttp.PathHealth, etcdhttp.NewHealthHandler(func() etcdhttp.Health { return checkHealth(c) }))
+}
+
+func checkHealth(c *clientv3.Client) etcdhttp.Health {
+ h := etcdhttp.Health{Health: "false"}
+ ctx, cancel := context.WithTimeout(c.Ctx(), time.Second)
+ _, err := c.Get(ctx, "a")
+ cancel()
+ if err == nil || err == rpctypes.ErrPermissionDenied {
+ h.Health = "true"
+ }
+ return h
+}