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osbuild-worker: don't use /var/cache for temporary directories

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When osbuild-composer crashed, it left temporary directories in
`/var/cache`. Use `/var/tmp` for these output directories, because
systemd will clean these up (we set PrivateTmp=true).

Also, put the store into `/var/cache/osbuild-store`. The worker does not
checkpoint anything. The store is only used as a cache for rpms. That
can be shared between multiple workers and successive runs of a single
worker.
This commit is contained in:
Lars Karlitski 2020-06-11 15:49:49 +02:00 • committed by Tom Gundersen
parent 89117ebf3a
commit 33a4c55a6f
1 changed files with 13 additions and 15 deletions
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28
cmd/osbuild-worker/main.go
View file

@ -63,9 +63,17 @@ func (e *TargetsError) Error() string {
return errString
}
func RunJob(job *worker.Job, cacheDir string, uploadFunc func(uuid.UUID, string, io.Reader) error) (*common.ComposeResult, error) {
outputDirectory := path.Join(cacheDir, "output")
store := path.Join(cacheDir, "store")
func RunJob(job *worker.Job, store string, uploadFunc func(uuid.UUID, string, io.Reader) error) (*common.ComposeResult, error) {
outputDirectory, err := ioutil.TempDir("/var/tmp", "osbuild-worker-*")
if err != nil {
return nil, fmt.Errorf("error creating temporary output directory: %v", err)
}
defer func() {
err := os.RemoveAll(outputDirectory)
if err != nil {
log.Printf("Error removing temporary output directory (%s): %v", outputDirectory, err)
}
}()
result, err := RunOSBuild(job.Manifest, store, outputDirectory, os.Stderr)
if err != nil {
@ -174,6 +182,7 @@ func main() {
if !ok {
log.Fatal("CACHE_DIRECTORY is not set. Is the service file missing CacheDirectory=?")
}
store := path.Join(cacheDirectory, "osbuild-store")
var client *worker.Client
if unix {
@ -191,17 +200,6 @@ func main() {
client = worker.NewClient(address, conf)
}
tmpdir, err := ioutil.TempDir(cacheDirectory, "osbuild-worker-*")
if err != nil {
log.Fatalf("error setting up osbuild output directory: %v", err)
}
defer func() {
err := os.RemoveAll(tmpdir)
if err != nil {
log.Printf("Error removing osbuild-worker cache (%s): %v", tmpdir, err)
}
}()
for {
fmt.Println("Waiting for a new job...")
job, err := client.AddJob()
@ -212,7 +210,7 @@ func main() {
fmt.Printf("Running job %s\n", job.Id)
var status common.ImageBuildState
result, err := RunJob(job, tmpdir, client.UploadImage)
result, err := RunJob(job, store, client.UploadImage)
if err != nil {
log.Printf(" Job failed: %v", err)
status = common.IBFailed