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version.go
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version.go
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// Copyright 2020 Authors of Cilium
//
// 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 build
import (
"fmt"
"github.com/cilium/cilium/pkg/version"
)
var (
// ServerVersion reports version information for Hubble server.
ServerVersion Version
// RelayVersion reports version information for Hubble Relay.
RelayVersion Version
)
func init() {
ciliumVersion := version.GetCiliumVersion()
ServerVersion = Version{
component: "cilium",
Core: ciliumVersion.Version,
Revision: ciliumVersion.Revision,
}
RelayVersion = Version{
component: "hubble-relay",
Core: ciliumVersion.Version,
Revision: ciliumVersion.Revision,
}
}
// Version defines a detailed Hubble component version.
type Version struct {
// component is the Hubble component (eg: hubble, hubble-relay).
component string
// Core represents the core version (eg: 1.9.0).
Core string
// Revision is the software revision, typically a Git commit SHA.
Revision string
}
// SemVer returns the version as a Semantic Versioning 2.0.0 compatible string
// (see semver.org).
func (v Version) SemVer() string {
if v.Core == "" {
return ""
}
s := v.Core
if v.Revision != "" {
s = fmt.Sprintf("%s+g%s", s, v.Revision)
}
return s
}
// String returns the full version string with a leading v in the version
// string itself. E.g. "hubble-relay v1.9.0+g63aa1b8".
func (v Version) String() string {
if v.component == "" {
return ""
}
if canonical := v.SemVer(); canonical != "" {
return fmt.Sprintf("%s v%s", v.component, canonical)
}
return v.component
}