This update provides:
1) workaround around the build failures. In
summary, it forces the download of some packages during the build
process.
2) update the set of packages that should go inside the vendor
directory
3) Update the dockerfile to use go 1.10
Change-Id: I2bfd090ce0f25b0c10aa214755ae2da7e5384d60
diff --git a/vendor/github.com/coreos/etcd/pkg/cors/cors.go b/vendor/github.com/coreos/etcd/pkg/cors/cors.go
new file mode 100644
index 0000000..0c64f16
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/pkg/cors/cors.go
@@ -0,0 +1,90 @@
+// Copyright 2015 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 cors handles cross-origin HTTP requests (CORS).
+package cors
+
+import (
+ "fmt"
+ "net/http"
+ "net/url"
+ "sort"
+ "strings"
+)
+
+type CORSInfo map[string]bool
+
+// Set implements the flag.Value interface to allow users to define a list of CORS origins
+func (ci *CORSInfo) Set(s string) error {
+ m := make(map[string]bool)
+ for _, v := range strings.Split(s, ",") {
+ v = strings.TrimSpace(v)
+ if v == "" {
+ continue
+ }
+ if v != "*" {
+ if _, err := url.Parse(v); err != nil {
+ return fmt.Errorf("Invalid CORS origin: %s", err)
+ }
+ }
+ m[v] = true
+
+ }
+ *ci = CORSInfo(m)
+ return nil
+}
+
+func (ci *CORSInfo) String() string {
+ o := make([]string, 0)
+ for k := range *ci {
+ o = append(o, k)
+ }
+ sort.StringSlice(o).Sort()
+ return strings.Join(o, ",")
+}
+
+// OriginAllowed determines whether the server will allow a given CORS origin.
+func (c CORSInfo) OriginAllowed(origin string) bool {
+ return c["*"] || c[origin]
+}
+
+type CORSHandler struct {
+ Handler http.Handler
+ Info *CORSInfo
+}
+
+// addHeader adds the correct cors headers given an origin
+func (h *CORSHandler) addHeader(w http.ResponseWriter, origin string) {
+ w.Header().Add("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
+ w.Header().Add("Access-Control-Allow-Origin", origin)
+ w.Header().Add("Access-Control-Allow-Headers", "accept, content-type, authorization")
+}
+
+// ServeHTTP adds the correct CORS headers based on the origin and returns immediately
+// with a 200 OK if the method is OPTIONS.
+func (h *CORSHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+ // Write CORS header.
+ if h.Info.OriginAllowed("*") {
+ h.addHeader(w, "*")
+ } else if origin := req.Header.Get("Origin"); h.Info.OriginAllowed(origin) {
+ h.addHeader(w, origin)
+ }
+
+ if req.Method == "OPTIONS" {
+ w.WriteHeader(http.StatusOK)
+ return
+ }
+
+ h.Handler.ServeHTTP(w, req)
+}