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/fileutil/lock_linux.go b/vendor/github.com/coreos/etcd/pkg/fileutil/lock_linux.go
new file mode 100644
index 0000000..939fea6
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/pkg/fileutil/lock_linux.go
@@ -0,0 +1,97 @@
+// 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.
+
+// +build linux
+
+package fileutil
+
+import (
+ "io"
+ "os"
+ "syscall"
+)
+
+// This used to call syscall.Flock() but that call fails with EBADF on NFS.
+// An alternative is lockf() which works on NFS but that call lets a process lock
+// the same file twice. Instead, use Linux's non-standard open file descriptor
+// locks which will block if the process already holds the file lock.
+//
+// constants from /usr/include/bits/fcntl-linux.h
+const (
+ F_OFD_GETLK = 37
+ F_OFD_SETLK = 37
+ F_OFD_SETLKW = 38
+)
+
+var (
+ wrlck = syscall.Flock_t{
+ Type: syscall.F_WRLCK,
+ Whence: int16(io.SeekStart),
+ Start: 0,
+ Len: 0,
+ }
+
+ linuxTryLockFile = flockTryLockFile
+ linuxLockFile = flockLockFile
+)
+
+func init() {
+ // use open file descriptor locks if the system supports it
+ getlk := syscall.Flock_t{Type: syscall.F_RDLCK}
+ if err := syscall.FcntlFlock(0, F_OFD_GETLK, &getlk); err == nil {
+ linuxTryLockFile = ofdTryLockFile
+ linuxLockFile = ofdLockFile
+ }
+}
+
+func TryLockFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
+ return linuxTryLockFile(path, flag, perm)
+}
+
+func ofdTryLockFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
+ f, err := os.OpenFile(path, flag, perm)
+ if err != nil {
+ return nil, err
+ }
+
+ flock := wrlck
+ if err = syscall.FcntlFlock(f.Fd(), F_OFD_SETLK, &flock); err != nil {
+ f.Close()
+ if err == syscall.EWOULDBLOCK {
+ err = ErrLocked
+ }
+ return nil, err
+ }
+ return &LockedFile{f}, nil
+}
+
+func LockFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
+ return linuxLockFile(path, flag, perm)
+}
+
+func ofdLockFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
+ f, err := os.OpenFile(path, flag, perm)
+ if err != nil {
+ return nil, err
+ }
+
+ flock := wrlck
+ err = syscall.FcntlFlock(f.Fd(), F_OFD_SETLKW, &flock)
+
+ if err != nil {
+ f.Close()
+ return nil, err
+ }
+ return &LockedFile{f}, err
+}