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85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
// Copyright 2019 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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package provenance
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import (
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"fmt"
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"runtime"
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"runtime/debug"
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"strings"
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)
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// These variables are set at build time using ldflags.
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//
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//nolint:gochecknoglobals
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var (
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// During a release, this will be set to the release tag, e.g. "kustomize/v4.5.7"
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version = developmentVersion
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// build date in ISO8601 format, output of $(date -u +'%Y-%m-%dT%H:%M:%SZ')
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buildDate = "unknown"
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)
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// This default value, (devel), matches
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// the value debug.BuildInfo uses for an unset main module version.
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const developmentVersion = "(devel)"
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// Provenance holds information about the build of an executable.
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type Provenance struct {
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// Version of the kustomize binary.
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Version string `json:"version,omitempty" yaml:"version,omitempty"`
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// GitCommit is a git commit
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GitCommit string `json:"gitCommit,omitempty" yaml:"gitCommit,omitempty"`
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// BuildDate is date of the build.
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BuildDate string `json:"buildDate,omitempty" yaml:"buildDate,omitempty"`
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// GoOs holds OS name.
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GoOs string `json:"goOs,omitempty" yaml:"goOs,omitempty"`
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// GoArch holds architecture name.
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GoArch string `json:"goArch,omitempty" yaml:"goArch,omitempty"`
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// GoVersion holds Go version.
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GoVersion string `json:"goVersion,omitempty" yaml:"goVersion,omitempty"`
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}
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// GetProvenance returns an instance of Provenance.
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func GetProvenance() Provenance {
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p := Provenance{
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BuildDate: buildDate,
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Version: version,
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GitCommit: "unknown",
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GoOs: runtime.GOOS,
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GoArch: runtime.GOARCH,
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GoVersion: runtime.Version(),
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}
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info, ok := debug.ReadBuildInfo()
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if !ok {
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return p
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}
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for _, setting := range info.Settings {
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// For now, the git commit is the only information of interest.
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// We could consider adding other info such as the commit date in the future.
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if setting.Key == "vcs.revision" {
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p.GitCommit = setting.Value
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}
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}
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return p
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}
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// Short returns the shortened provenance stamp.
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func (v Provenance) Short() string {
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return fmt.Sprintf(
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"%v",
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Provenance{
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Version: v.Version,
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BuildDate: v.BuildDate,
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})
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}
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// Semver returns the semantic version of kustomize.
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// kustomize version is set in format "kustomize/vX.X.X" in every release.
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// X.X.X is a semver. If the version string is not in this format,
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// return the original version string
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func (v Provenance) Semver() string {
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return strings.TrimPrefix(v.Version, "kustomize/")
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}
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