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/lease/leasehttp/http.go b/vendor/github.com/coreos/etcd/lease/leasehttp/http.go
new file mode 100644
index 0000000..ac2e788
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/lease/leasehttp/http.go
@@ -0,0 +1,247 @@
+// Copyright 2016 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 leasehttp
+
+import (
+ "bytes"
+ "context"
+ "errors"
+ "fmt"
+ "io/ioutil"
+ "net/http"
+ "time"
+
+ pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+ "github.com/coreos/etcd/lease"
+ "github.com/coreos/etcd/lease/leasepb"
+ "github.com/coreos/etcd/pkg/httputil"
+)
+
+var (
+ LeasePrefix = "/leases"
+ LeaseInternalPrefix = "/leases/internal"
+ applyTimeout = time.Second
+ ErrLeaseHTTPTimeout = errors.New("waiting for node to catch up its applied index has timed out")
+)
+
+// NewHandler returns an http Handler for lease renewals
+func NewHandler(l lease.Lessor, waitch func() <-chan struct{}) http.Handler {
+ return &leaseHandler{l, waitch}
+}
+
+type leaseHandler struct {
+ l lease.Lessor
+ waitch func() <-chan struct{}
+}
+
+func (h *leaseHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+ if r.Method != "POST" {
+ http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
+ return
+ }
+
+ b, err := ioutil.ReadAll(r.Body)
+ if err != nil {
+ http.Error(w, "error reading body", http.StatusBadRequest)
+ return
+ }
+
+ var v []byte
+ switch r.URL.Path {
+ case LeasePrefix:
+ lreq := pb.LeaseKeepAliveRequest{}
+ if err := lreq.Unmarshal(b); err != nil {
+ http.Error(w, "error unmarshalling request", http.StatusBadRequest)
+ return
+ }
+ select {
+ case <-h.waitch():
+ case <-time.After(applyTimeout):
+ http.Error(w, ErrLeaseHTTPTimeout.Error(), http.StatusRequestTimeout)
+ return
+ }
+ ttl, err := h.l.Renew(lease.LeaseID(lreq.ID))
+ if err != nil {
+ if err == lease.ErrLeaseNotFound {
+ http.Error(w, err.Error(), http.StatusNotFound)
+ return
+ }
+
+ http.Error(w, err.Error(), http.StatusBadRequest)
+ return
+ }
+ // TODO: fill out ResponseHeader
+ resp := &pb.LeaseKeepAliveResponse{ID: lreq.ID, TTL: ttl}
+ v, err = resp.Marshal()
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+
+ case LeaseInternalPrefix:
+ lreq := leasepb.LeaseInternalRequest{}
+ if err := lreq.Unmarshal(b); err != nil {
+ http.Error(w, "error unmarshalling request", http.StatusBadRequest)
+ return
+ }
+ select {
+ case <-h.waitch():
+ case <-time.After(applyTimeout):
+ http.Error(w, ErrLeaseHTTPTimeout.Error(), http.StatusRequestTimeout)
+ return
+ }
+ l := h.l.Lookup(lease.LeaseID(lreq.LeaseTimeToLiveRequest.ID))
+ if l == nil {
+ http.Error(w, lease.ErrLeaseNotFound.Error(), http.StatusNotFound)
+ return
+ }
+ // TODO: fill out ResponseHeader
+ resp := &leasepb.LeaseInternalResponse{
+ LeaseTimeToLiveResponse: &pb.LeaseTimeToLiveResponse{
+ Header: &pb.ResponseHeader{},
+ ID: lreq.LeaseTimeToLiveRequest.ID,
+ TTL: int64(l.Remaining().Seconds()),
+ GrantedTTL: l.TTL(),
+ },
+ }
+ if lreq.LeaseTimeToLiveRequest.Keys {
+ ks := l.Keys()
+ kbs := make([][]byte, len(ks))
+ for i := range ks {
+ kbs[i] = []byte(ks[i])
+ }
+ resp.LeaseTimeToLiveResponse.Keys = kbs
+ }
+
+ v, err = resp.Marshal()
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+
+ default:
+ http.Error(w, fmt.Sprintf("unknown request path %q", r.URL.Path), http.StatusBadRequest)
+ return
+ }
+
+ w.Header().Set("Content-Type", "application/protobuf")
+ w.Write(v)
+}
+
+// RenewHTTP renews a lease at a given primary server.
+// TODO: Batch request in future?
+func RenewHTTP(ctx context.Context, id lease.LeaseID, url string, rt http.RoundTripper) (int64, error) {
+ // will post lreq protobuf to leader
+ lreq, err := (&pb.LeaseKeepAliveRequest{ID: int64(id)}).Marshal()
+ if err != nil {
+ return -1, err
+ }
+
+ cc := &http.Client{Transport: rt}
+ req, err := http.NewRequest("POST", url, bytes.NewReader(lreq))
+ if err != nil {
+ return -1, err
+ }
+ req.Header.Set("Content-Type", "application/protobuf")
+ req.Cancel = ctx.Done()
+
+ resp, err := cc.Do(req)
+ if err != nil {
+ return -1, err
+ }
+ b, err := readResponse(resp)
+ if err != nil {
+ return -1, err
+ }
+
+ if resp.StatusCode == http.StatusRequestTimeout {
+ return -1, ErrLeaseHTTPTimeout
+ }
+
+ if resp.StatusCode == http.StatusNotFound {
+ return -1, lease.ErrLeaseNotFound
+ }
+
+ if resp.StatusCode != http.StatusOK {
+ return -1, fmt.Errorf("lease: unknown error(%s)", string(b))
+ }
+
+ lresp := &pb.LeaseKeepAliveResponse{}
+ if err := lresp.Unmarshal(b); err != nil {
+ return -1, fmt.Errorf(`lease: %v. data = "%s"`, err, string(b))
+ }
+ if lresp.ID != int64(id) {
+ return -1, fmt.Errorf("lease: renew id mismatch")
+ }
+ return lresp.TTL, nil
+}
+
+// TimeToLiveHTTP retrieves lease information of the given lease ID.
+func TimeToLiveHTTP(ctx context.Context, id lease.LeaseID, keys bool, url string, rt http.RoundTripper) (*leasepb.LeaseInternalResponse, error) {
+ // will post lreq protobuf to leader
+ lreq, err := (&leasepb.LeaseInternalRequest{
+ LeaseTimeToLiveRequest: &pb.LeaseTimeToLiveRequest{
+ ID: int64(id),
+ Keys: keys,
+ },
+ }).Marshal()
+ if err != nil {
+ return nil, err
+ }
+
+ req, err := http.NewRequest("POST", url, bytes.NewReader(lreq))
+ if err != nil {
+ return nil, err
+ }
+ req.Header.Set("Content-Type", "application/protobuf")
+
+ req = req.WithContext(ctx)
+
+ cc := &http.Client{Transport: rt}
+ var b []byte
+ // buffer errc channel so that errc don't block inside the go routinue
+ resp, err := cc.Do(req)
+ if err != nil {
+ return nil, err
+ }
+ b, err = readResponse(resp)
+ if err != nil {
+ return nil, err
+ }
+ if resp.StatusCode == http.StatusRequestTimeout {
+ return nil, ErrLeaseHTTPTimeout
+ }
+ if resp.StatusCode == http.StatusNotFound {
+ return nil, lease.ErrLeaseNotFound
+ }
+ if resp.StatusCode != http.StatusOK {
+ return nil, fmt.Errorf("lease: unknown error(%s)", string(b))
+ }
+
+ lresp := &leasepb.LeaseInternalResponse{}
+ if err := lresp.Unmarshal(b); err != nil {
+ return nil, fmt.Errorf(`lease: %v. data = "%s"`, err, string(b))
+ }
+ if lresp.LeaseTimeToLiveResponse.ID != int64(id) {
+ return nil, fmt.Errorf("lease: renew id mismatch")
+ }
+ return lresp, nil
+}
+
+func readResponse(resp *http.Response) (b []byte, err error) {
+ b, err = ioutil.ReadAll(resp.Body)
+ httputil.GracefulClose(resp)
+ return
+}