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/go-semver/semver/semver.go b/vendor/github.com/coreos/go-semver/semver/semver.go
new file mode 100644
index 0000000..110fc23
--- /dev/null
+++ b/vendor/github.com/coreos/go-semver/semver/semver.go
@@ -0,0 +1,268 @@
+// Copyright 2013-2015 CoreOS, Inc.
+//
+// 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.
+
+// Semantic Versions http://semver.org
+package semver
+
+import (
+ "bytes"
+ "errors"
+ "fmt"
+ "strconv"
+ "strings"
+)
+
+type Version struct {
+ Major int64
+ Minor int64
+ Patch int64
+ PreRelease PreRelease
+ Metadata string
+}
+
+type PreRelease string
+
+func splitOff(input *string, delim string) (val string) {
+ parts := strings.SplitN(*input, delim, 2)
+
+ if len(parts) == 2 {
+ *input = parts[0]
+ val = parts[1]
+ }
+
+ return val
+}
+
+func New(version string) *Version {
+ return Must(NewVersion(version))
+}
+
+func NewVersion(version string) (*Version, error) {
+ v := Version{}
+
+ if err := v.Set(version); err != nil {
+ return nil, err
+ }
+
+ return &v, nil
+}
+
+// Must is a helper for wrapping NewVersion and will panic if err is not nil.
+func Must(v *Version, err error) *Version {
+ if err != nil {
+ panic(err)
+ }
+ return v
+}
+
+// Set parses and updates v from the given version string. Implements flag.Value
+func (v *Version) Set(version string) error {
+ metadata := splitOff(&version, "+")
+ preRelease := PreRelease(splitOff(&version, "-"))
+ dotParts := strings.SplitN(version, ".", 3)
+
+ if len(dotParts) != 3 {
+ return fmt.Errorf("%s is not in dotted-tri format", version)
+ }
+
+ parsed := make([]int64, 3, 3)
+
+ for i, v := range dotParts[:3] {
+ val, err := strconv.ParseInt(v, 10, 64)
+ parsed[i] = val
+ if err != nil {
+ return err
+ }
+ }
+
+ v.Metadata = metadata
+ v.PreRelease = preRelease
+ v.Major = parsed[0]
+ v.Minor = parsed[1]
+ v.Patch = parsed[2]
+ return nil
+}
+
+func (v Version) String() string {
+ var buffer bytes.Buffer
+
+ fmt.Fprintf(&buffer, "%d.%d.%d", v.Major, v.Minor, v.Patch)
+
+ if v.PreRelease != "" {
+ fmt.Fprintf(&buffer, "-%s", v.PreRelease)
+ }
+
+ if v.Metadata != "" {
+ fmt.Fprintf(&buffer, "+%s", v.Metadata)
+ }
+
+ return buffer.String()
+}
+
+func (v *Version) UnmarshalYAML(unmarshal func(interface{}) error) error {
+ var data string
+ if err := unmarshal(&data); err != nil {
+ return err
+ }
+ return v.Set(data)
+}
+
+func (v Version) MarshalJSON() ([]byte, error) {
+ return []byte(`"` + v.String() + `"`), nil
+}
+
+func (v *Version) UnmarshalJSON(data []byte) error {
+ l := len(data)
+ if l == 0 || string(data) == `""` {
+ return nil
+ }
+ if l < 2 || data[0] != '"' || data[l-1] != '"' {
+ return errors.New("invalid semver string")
+ }
+ return v.Set(string(data[1 : l-1]))
+}
+
+// Compare tests if v is less than, equal to, or greater than versionB,
+// returning -1, 0, or +1 respectively.
+func (v Version) Compare(versionB Version) int {
+ if cmp := recursiveCompare(v.Slice(), versionB.Slice()); cmp != 0 {
+ return cmp
+ }
+ return preReleaseCompare(v, versionB)
+}
+
+// Equal tests if v is equal to versionB.
+func (v Version) Equal(versionB Version) bool {
+ return v.Compare(versionB) == 0
+}
+
+// LessThan tests if v is less than versionB.
+func (v Version) LessThan(versionB Version) bool {
+ return v.Compare(versionB) < 0
+}
+
+// Slice converts the comparable parts of the semver into a slice of integers.
+func (v Version) Slice() []int64 {
+ return []int64{v.Major, v.Minor, v.Patch}
+}
+
+func (p PreRelease) Slice() []string {
+ preRelease := string(p)
+ return strings.Split(preRelease, ".")
+}
+
+func preReleaseCompare(versionA Version, versionB Version) int {
+ a := versionA.PreRelease
+ b := versionB.PreRelease
+
+ /* Handle the case where if two versions are otherwise equal it is the
+ * one without a PreRelease that is greater */
+ if len(a) == 0 && (len(b) > 0) {
+ return 1
+ } else if len(b) == 0 && (len(a) > 0) {
+ return -1
+ }
+
+ // If there is a prerelease, check and compare each part.
+ return recursivePreReleaseCompare(a.Slice(), b.Slice())
+}
+
+func recursiveCompare(versionA []int64, versionB []int64) int {
+ if len(versionA) == 0 {
+ return 0
+ }
+
+ a := versionA[0]
+ b := versionB[0]
+
+ if a > b {
+ return 1
+ } else if a < b {
+ return -1
+ }
+
+ return recursiveCompare(versionA[1:], versionB[1:])
+}
+
+func recursivePreReleaseCompare(versionA []string, versionB []string) int {
+ // A larger set of pre-release fields has a higher precedence than a smaller set,
+ // if all of the preceding identifiers are equal.
+ if len(versionA) == 0 {
+ if len(versionB) > 0 {
+ return -1
+ }
+ return 0
+ } else if len(versionB) == 0 {
+ // We're longer than versionB so return 1.
+ return 1
+ }
+
+ a := versionA[0]
+ b := versionB[0]
+
+ aInt := false
+ bInt := false
+
+ aI, err := strconv.Atoi(versionA[0])
+ if err == nil {
+ aInt = true
+ }
+
+ bI, err := strconv.Atoi(versionB[0])
+ if err == nil {
+ bInt = true
+ }
+
+ // Handle Integer Comparison
+ if aInt && bInt {
+ if aI > bI {
+ return 1
+ } else if aI < bI {
+ return -1
+ }
+ }
+
+ // Handle String Comparison
+ if a > b {
+ return 1
+ } else if a < b {
+ return -1
+ }
+
+ return recursivePreReleaseCompare(versionA[1:], versionB[1:])
+}
+
+// BumpMajor increments the Major field by 1 and resets all other fields to their default values
+func (v *Version) BumpMajor() {
+ v.Major += 1
+ v.Minor = 0
+ v.Patch = 0
+ v.PreRelease = PreRelease("")
+ v.Metadata = ""
+}
+
+// BumpMinor increments the Minor field by 1 and resets all other fields to their default values
+func (v *Version) BumpMinor() {
+ v.Minor += 1
+ v.Patch = 0
+ v.PreRelease = PreRelease("")
+ v.Metadata = ""
+}
+
+// BumpPatch increments the Patch field by 1 and resets all other fields to their default values
+func (v *Version) BumpPatch() {
+ v.Patch += 1
+ v.PreRelease = PreRelease("")
+ v.Metadata = ""
+}