github.com/elfadel/cilium@v1.6.12/pkg/version/version.go (about) 1 // Copyright 2017 Authors of Cilium 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package version 16 17 import ( 18 "encoding/base64" 19 "encoding/json" 20 "strings" 21 ) 22 23 // CiliumVersion provides a minimal structure to the version string 24 type CiliumVersion struct { 25 // Version is the semantic version of Cilium 26 Version string 27 // Revision is the short SHA from the last commit 28 Revision string 29 // GoRuntimeVersion is the Go version used to run Cilium 30 GoRuntimeVersion string 31 // Arch is the architecture where Cilium was compiled 32 Arch string 33 // AuthorDate is the git author time reference stored as string ISO 8601 formatted 34 AuthorDate string 35 } 36 37 // Version is set during build 38 var Version string 39 40 // FromString converts a version string into struct 41 func FromString(versionString string) CiliumVersion { 42 // string to parse: "0.13.90 a722bdb 2018-01-09T22:32:37+01:00 go version go1.9 linux/amd64" 43 fields := strings.Split(versionString, " ") 44 if len(fields) != 7 { 45 return CiliumVersion{} 46 } 47 48 cver := CiliumVersion{ 49 Version: fields[0], 50 Revision: fields[1], 51 AuthorDate: fields[2], 52 GoRuntimeVersion: fields[5], 53 Arch: fields[6], 54 } 55 return cver 56 } 57 58 // GetCiliumVersion returns a initialized CiliumVersion structure 59 func GetCiliumVersion() CiliumVersion { 60 return FromString(Version) 61 } 62 63 // Base64 returns the version in a base64 format. 64 func Base64() (string, error) { 65 jsonBytes, err := json.Marshal(Version) 66 if err != nil { 67 return "", err 68 } 69 return base64.StdEncoding.EncodeToString(jsonBytes), nil 70 }