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fs_release_dir.go
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/
fs_release_dir.go
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package releasedir
import (
"fmt"
"os"
gopath "path"
"strings"
bosherr "github.com/cloudfoundry/bosh-utils/errors"
boshsys "github.com/cloudfoundry/bosh-utils/system"
semver "github.com/cppforlife/go-semi-semantic/version"
"github.com/pivotal-golang/clock"
boshrel "github.com/cloudfoundry/bosh-cli/release"
)
var (
DefaultFinalVersion = semver.MustNewVersionFromString("1")
DefaultDevVersion = semver.MustNewVersionFromString("0+dev.0")
DefaultDevPostRelease = semver.MustNewVersionSegmentFromString("dev.1")
)
type FSReleaseDir struct {
dirPath string
config Config
gitRepo GitRepo
blobsDir BlobsDir
generator Generator
devReleases ReleaseIndex
finalReleases ReleaseIndex
finalIndicies boshrel.ArchiveIndicies
releaseReader boshrel.Reader
releaseArchiveWriter boshrel.Writer
timeService clock.Clock
fs boshsys.FileSystem
}
func NewFSReleaseDir(
dirPath string,
config Config,
gitRepo GitRepo,
blobsDir BlobsDir,
generator Generator,
devReleases ReleaseIndex,
finalReleases ReleaseIndex,
finalIndicies boshrel.ArchiveIndicies,
releaseReader boshrel.Reader,
timeService clock.Clock,
fs boshsys.FileSystem,
) FSReleaseDir {
return FSReleaseDir{
dirPath: dirPath,
config: config,
gitRepo: gitRepo,
blobsDir: blobsDir,
generator: generator,
devReleases: devReleases,
finalReleases: finalReleases,
finalIndicies: finalIndicies,
releaseReader: releaseReader,
timeService: timeService,
fs: fs,
}
}
func (d FSReleaseDir) Init(git bool) error {
for _, name := range []string{"jobs", "packages", "src"} {
err := d.fs.MkdirAll(gopath.Join(d.dirPath, name), os.ModePerm)
if err != nil {
return bosherr.WrapErrorf(err, "Creating %s/", name)
}
}
name := strings.TrimSuffix(gopath.Base(d.dirPath), "-release")
err := d.config.SaveName(name)
if err != nil {
return err
}
err = d.blobsDir.Init()
if err != nil {
return bosherr.WrapErrorf(err, "Initing blobs")
}
if git {
err = d.gitRepo.Init()
if err != nil {
return err
}
}
return nil
}
func (d FSReleaseDir) GenerateJob(name string) error {
return d.generator.GenerateJob(name)
}
func (d FSReleaseDir) GeneratePackage(name string) error {
return d.generator.GeneratePackage(name)
}
func (d FSReleaseDir) Reset() error {
for _, name := range []string{".dev_builds", "dev_releases", ".blobs", "blobs"} {
err := d.fs.RemoveAll(gopath.Join(d.dirPath, name))
if err != nil {
return bosherr.WrapErrorf(err, "Removing %s/", name)
}
}
return nil
}
func (d FSReleaseDir) DefaultName() (string, error) {
return d.config.Name()
}
func (d FSReleaseDir) NextFinalVersion(name string) (semver.Version, error) {
lastVer, err := d.finalReleases.LastVersion(name)
if err != nil {
return semver.Version{}, err
} else if lastVer == nil {
return DefaultFinalVersion, nil
}
incVer, err := lastVer.IncrementRelease()
if err != nil {
return semver.Version{}, bosherr.WrapErrorf(err, "Incrementing last final version")
}
return incVer, nil
}
func (d FSReleaseDir) NextDevVersion(name string, timestamp bool) (semver.Version, error) {
lastVer, _, err := d.lastDevOrFinalVersion(name)
if err != nil {
return semver.Version{}, err
} else if lastVer == nil {
lastVer = &DefaultDevVersion
}
incVer, err := lastVer.IncrementPostRelease(DefaultDevPostRelease)
if err != nil {
return semver.Version{}, bosherr.WrapErrorf(err, "Incrementing last dev version")
}
if timestamp {
ts := d.timeService.Now().Unix()
postRelease, err := semver.NewVersionSegmentFromString(fmt.Sprintf("dev.%d", ts))
if err != nil {
panic(fmt.Sprintf("Failed to build post release version segment from timestamp (%d): %s", ts, err))
}
incVer, err = semver.NewVersion(incVer.Release.Copy(), incVer.PreRelease.Copy(), postRelease)
if err != nil {
panic(fmt.Sprintf("Failed to build version: %s", err))
}
}
return incVer, nil
}
func (d FSReleaseDir) FindRelease(name string, version semver.Version) (boshrel.Release, error) {
if len(name) == 0 {
defaultName, err := d.DefaultName()
if err != nil {
return nil, err
}
name = defaultName
}
relIndex := d.finalReleases
if version.Empty() {
lastVer, lastRelIndex, err := d.lastDevOrFinalVersion(name)
if err != nil {
return nil, err
} else if lastVer == nil {
return nil, bosherr.Errorf("Expected to find at least one dev or final version")
}
version = *lastVer
relIndex = lastRelIndex
}
return d.releaseReader.Read(relIndex.ManifestPath(name, version.AsString()))
}
func (d FSReleaseDir) BuildRelease(name string, version semver.Version, force bool) (boshrel.Release, error) {
dirty, err := d.gitRepo.MustNotBeDirty(force)
if err != nil {
return nil, err
}
commitSHA, err := d.gitRepo.LastCommitSHA()
if err != nil {
return nil, err
}
err = d.blobsDir.SyncBlobs(1)
if err != nil {
return nil, err
}
release, err := d.releaseReader.Read(d.dirPath)
if err != nil {
return nil, bosherr.WrapErrorf(err, "Building a release from directory '%s'", d.dirPath)
}
release.SetName(name)
release.SetVersion(version.AsString())
release.SetCommitHash(commitSHA)
release.SetUncommittedChanges(dirty)
err = d.devReleases.Add(release.Manifest())
if err != nil {
return nil, err
}
return release, nil
}
func (d FSReleaseDir) FinalizeRelease(release boshrel.Release, force bool) error {
_, err := d.gitRepo.MustNotBeDirty(force)
if err != nil {
return err
}
found, err := d.finalReleases.Contains(release)
if err != nil {
return err
} else if found {
return bosherr.Errorf("Release '%s' version '%s' already exists", release.Name(), release.Version())
}
err = release.Finalize(d.finalIndicies)
if err != nil {
return err
}
return d.finalReleases.Add(release.Manifest())
}
func (d FSReleaseDir) lastDevOrFinalVersion(name string) (*semver.Version, ReleaseIndex, error) {
lastDevVer, err := d.devReleases.LastVersion(name)
if err != nil {
return nil, nil, err
}
lastFinalVer, err := d.finalReleases.LastVersion(name)
if err != nil {
return nil, nil, err
}
switch {
case lastDevVer != nil && lastFinalVer != nil:
if lastFinalVer.IsGt(*lastDevVer) {
return lastFinalVer, d.finalReleases, nil
} else {
return lastDevVer, d.devReleases, nil
}
case lastDevVer != nil && lastFinalVer == nil:
return lastDevVer, d.devReleases, nil
case lastDevVer == nil && lastFinalVer != nil:
return lastFinalVer, d.finalReleases, nil
default:
return nil, nil, nil
}
}