Initial QSfera import

Server/vendor/go.etcd.io/etcd/api/v3/version/version.go

@@ -0,0 +1,85 @@
+// 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 version implements etcd version parsing and contains latest version
+// information.
+package version
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/coreos/go-semver/semver"
+)
+
+var (
+	// MinClusterVersion is the min cluster version this etcd binary is compatible with.
+	MinClusterVersion = "3.0.0"
+	Version           = "3.6.10"
+	APIVersion        = "unknown"
+
+	// Git SHA Value will be set during build
+	GitSHA = "Not provided (use ./build instead of go build)"
+)
+
+// Get all constant versions defined in a centralized place.
+var (
+	V3_0 = semver.Version{Major: 3, Minor: 0}
+	V3_1 = semver.Version{Major: 3, Minor: 1}
+	V3_2 = semver.Version{Major: 3, Minor: 2}
+	V3_3 = semver.Version{Major: 3, Minor: 3}
+	V3_4 = semver.Version{Major: 3, Minor: 4}
+	V3_5 = semver.Version{Major: 3, Minor: 5}
+	V3_6 = semver.Version{Major: 3, Minor: 6}
+	V3_7 = semver.Version{Major: 3, Minor: 7}
+	V4_0 = semver.Version{Major: 4, Minor: 0}
+
+	// AllVersions keeps all the versions in ascending order.
+	AllVersions = []semver.Version{V3_0, V3_1, V3_2, V3_3, V3_4, V3_5, V3_6, V3_7, V4_0}
+)
+
+func init() {
+	ver, err := semver.NewVersion(Version)
+	if err == nil {
+		APIVersion = fmt.Sprintf("%d.%d", ver.Major, ver.Minor)
+	}
+}
+
+type Versions struct {
+	Server  string `json:"etcdserver"`
+	Cluster string `json:"etcdcluster"`
+	Storage string `json:"storage"`
+	// TODO: raft state machine version
+}
+
+// Cluster only keeps the major.minor.
+func Cluster(v string) string {
+	vs := strings.Split(v, ".")
+	if len(vs) <= 2 {
+		return v
+	}
+	return fmt.Sprintf("%s.%s", vs[0], vs[1])
+}
+
+func Compare(ver1, ver2 semver.Version) int {
+	return ver1.Compare(ver2)
+}
+
+func LessThan(ver1, ver2 semver.Version) bool {
+	return ver1.LessThan(ver2)
+}
+
+func Equal(ver1, ver2 semver.Version) bool {
+	return ver1.Equal(ver2)
+}