LogsPDH *string
RunArvMount
MkTempDir
- ArvMount *exec.Cmd
- ArvMountPoint string
- HostOutputDir string
- CleanupTempDir []string
- Binds []string
- Volumes map[string]struct{}
- OutputPDH *string
- SigChan chan os.Signal
- ArvMountExit chan error
- finalState string
-
- statLogger io.WriteCloser
- statReporter *crunchstat.Reporter
- statInterval time.Duration
- cgroupRoot string
+ ArvMount *exec.Cmd
+ ArvMountPoint string
+ HostOutputDir string
+ Binds []string
+ Volumes map[string]struct{}
+ OutputPDH *string
+ SigChan chan os.Signal
+ ArvMountExit chan error
+ finalState string
+ parentTemp string
+
+ statLogger io.WriteCloser
+ statReporter *crunchstat.Reporter
+ hoststatLogger io.WriteCloser
+ hoststatReporter *crunchstat.Reporter
+ statInterval time.Duration
+ cgroupRoot string
// What we expect the container's cgroup parent to be.
expectCgroupParent string
// What we tell docker to use as the container's cgroup
func (runner *ContainerRunner) SetupArvMountPoint(prefix string) (err error) {
if runner.ArvMountPoint == "" {
- runner.ArvMountPoint, err = runner.MkTempDir("", prefix)
+ runner.ArvMountPoint, err = runner.MkTempDir(runner.parentTemp, prefix)
}
return
}
return
}
- os.MkdirAll(path.Dir(dst), 0770)
+ os.MkdirAll(path.Dir(dst), 0777)
dstfile, err := os.Create(dst)
if err != nil {
case mnt.Kind == "tmp":
var tmpdir string
- tmpdir, err = runner.MkTempDir("", "")
+ tmpdir, err = runner.MkTempDir(runner.parentTemp, "tmp")
if err != nil {
return fmt.Errorf("While creating mount temp dir: %v", err)
}
if staterr != nil {
return fmt.Errorf("While Chmod temp dir: %v", err)
}
- runner.CleanupTempDir = append(runner.CleanupTempDir, tmpdir)
runner.Binds = append(runner.Binds, fmt.Sprintf("%s:%s", tmpdir, bind))
if bind == runner.Container.OutputPath {
runner.HostOutputDir = tmpdir
// can ensure the file is world-readable
// inside the container, without having to
// make it world-readable on the docker host.
- tmpdir, err := runner.MkTempDir("", "")
+ tmpdir, err := runner.MkTempDir(runner.parentTemp, "json")
if err != nil {
return fmt.Errorf("creating temp dir: %v", err)
}
- runner.CleanupTempDir = append(runner.CleanupTempDir, tmpdir)
tmpfn := filepath.Join(tmpdir, "mountdata.json")
err = ioutil.WriteFile(tmpfn, jsondata, 0644)
if err != nil {
runner.Binds = append(runner.Binds, fmt.Sprintf("%s:%s:ro", tmpfn, bind))
case mnt.Kind == "git_tree":
- tmpdir, err := runner.MkTempDir("", "")
+ tmpdir, err := runner.MkTempDir(runner.parentTemp, "git_tree")
if err != nil {
return fmt.Errorf("creating temp dir: %v", err)
}
- runner.CleanupTempDir = append(runner.CleanupTempDir, tmpdir)
err = gitMount(mnt).extractTree(runner.ArvClient, tmpdir, token)
if err != nil {
return err
}
for _, cp := range copyFiles {
- dir, err := os.Stat(cp.src)
- if err == nil {
- if dir.IsDir() {
- err = filepath.Walk(cp.src, func(walkpath string, walkinfo os.FileInfo, walkerr error) error {
- if walkinfo.Mode().IsRegular() {
- return copyfile(walkpath, path.Join(cp.bind, walkpath[len(cp.src):]))
+ st, err := os.Stat(cp.src)
+ if err != nil {
+ return fmt.Errorf("While staging writable file from %q to %q: %v", cp.src, cp.bind, err)
+ }
+ if st.IsDir() {
+ err = filepath.Walk(cp.src, func(walkpath string, walkinfo os.FileInfo, walkerr error) error {
+ if walkerr != nil {
+ return walkerr
+ }
+ target := path.Join(cp.bind, walkpath[len(cp.src):])
+ if walkinfo.Mode().IsRegular() {
+ copyerr := copyfile(walkpath, target)
+ if copyerr != nil {
+ return copyerr
}
- return nil
- })
- } else {
- err = copyfile(cp.src, cp.bind)
+ return os.Chmod(target, walkinfo.Mode()|0777)
+ } else if walkinfo.Mode().IsDir() {
+ mkerr := os.MkdirAll(target, 0777)
+ if mkerr != nil {
+ return mkerr
+ }
+ return os.Chmod(target, walkinfo.Mode()|os.ModeSetgid|0777)
+ } else {
+ return fmt.Errorf("Source %q is not a regular file or directory", cp.src)
+ }
+ })
+ } else if st.Mode().IsRegular() {
+ err = copyfile(cp.src, cp.bind)
+ if err == nil {
+ err = os.Chmod(cp.bind, st.Mode()|0777)
}
}
if err != nil {
- return fmt.Errorf("While staging writable files: %v", err)
+ return fmt.Errorf("While staging writable file from %q to %q: %v", cp.src, cp.bind, err)
}
}
func (runner *ContainerRunner) ProcessDockerAttach(containerReader io.Reader) {
// Handle docker log protocol
// https://docs.docker.com/engine/reference/api/docker_remote_api_v1.15/#attach-to-a-container
+ defer close(runner.loggingDone)
header := make([]byte, 8)
- for {
- _, readerr := io.ReadAtLeast(containerReader, header, 8)
-
- if readerr == nil {
- readsize := int64(header[7]) | (int64(header[6]) << 8) | (int64(header[5]) << 16) | (int64(header[4]) << 24)
- if header[0] == 1 {
- // stdout
- _, readerr = io.CopyN(runner.Stdout, containerReader, readsize)
- } else {
- // stderr
- _, readerr = io.CopyN(runner.Stderr, containerReader, readsize)
+ var err error
+ for err == nil {
+ _, err = io.ReadAtLeast(containerReader, header, 8)
+ if err != nil {
+ if err == io.EOF {
+ err = nil
}
+ break
}
+ readsize := int64(header[7]) | (int64(header[6]) << 8) | (int64(header[5]) << 16) | (int64(header[4]) << 24)
+ if header[0] == 1 {
+ // stdout
+ _, err = io.CopyN(runner.Stdout, containerReader, readsize)
+ } else {
+ // stderr
+ _, err = io.CopyN(runner.Stderr, containerReader, readsize)
+ }
+ }
- if readerr != nil {
- if readerr != io.EOF {
- runner.CrunchLog.Printf("While reading docker logs: %v", readerr)
- }
-
- closeerr := runner.Stdout.Close()
- if closeerr != nil {
- runner.CrunchLog.Printf("While closing stdout logs: %v", closeerr)
- }
+ if err != nil {
+ runner.CrunchLog.Printf("error reading docker logs: %v", err)
+ }
- closeerr = runner.Stderr.Close()
- if closeerr != nil {
- runner.CrunchLog.Printf("While closing stderr logs: %v", closeerr)
- }
+ err = runner.Stdout.Close()
+ if err != nil {
+ runner.CrunchLog.Printf("error closing stdout logs: %v", err)
+ }
- if runner.statReporter != nil {
- runner.statReporter.Stop()
- closeerr = runner.statLogger.Close()
- if closeerr != nil {
- runner.CrunchLog.Printf("While closing crunchstat logs: %v", closeerr)
- }
- }
+ err = runner.Stderr.Close()
+ if err != nil {
+ runner.CrunchLog.Printf("error closing stderr logs: %v", err)
+ }
- close(runner.loggingDone)
- return
+ if runner.statReporter != nil {
+ runner.statReporter.Stop()
+ err = runner.statLogger.Close()
+ if err != nil {
+ runner.CrunchLog.Printf("error closing crunchstat logs: %v", err)
}
}
}
-func (runner *ContainerRunner) StartCrunchstat() {
+func (runner *ContainerRunner) stopHoststat() error {
+ if runner.hoststatReporter == nil {
+ return nil
+ }
+ runner.hoststatReporter.Stop()
+ err := runner.hoststatLogger.Close()
+ if err != nil {
+ return fmt.Errorf("error closing hoststat logs: %v", err)
+ }
+ return nil
+}
+
+func (runner *ContainerRunner) startHoststat() {
+ runner.hoststatLogger = NewThrottledLogger(runner.NewLogWriter("hoststat"))
+ runner.hoststatReporter = &crunchstat.Reporter{
+ Logger: log.New(runner.hoststatLogger, "", 0),
+ CgroupRoot: runner.cgroupRoot,
+ PollPeriod: runner.statInterval,
+ }
+ runner.hoststatReporter.Start()
+}
+
+func (runner *ContainerRunner) startCrunchstat() {
runner.statLogger = NewThrottledLogger(runner.NewLogWriter("crunchstat"))
runner.statReporter = &crunchstat.Reporter{
CID: runner.ContainerID,
}
}
- for _, tmpdir := range runner.CleanupTempDir {
- if rmerr := os.RemoveAll(tmpdir); rmerr != nil {
- runner.CrunchLog.Printf("While cleaning up temporary directory %s: %v", tmpdir, rmerr)
- }
+ if rmerr := os.RemoveAll(runner.parentTemp); rmerr != nil {
+ runner.CrunchLog.Printf("While cleaning up temporary directory %s: %v", runner.parentTemp, rmerr)
}
}
}
checkErr(runner.CaptureOutput())
+ checkErr(runner.stopHoststat())
checkErr(runner.CommitLogs())
checkErr(runner.UpdateContainerFinal())
}()
if err != nil {
return
}
-
- // setup signal handling
runner.setupSignals()
+ runner.startHoststat()
// check for and/or load image
err = runner.LoadImage()
}
runner.finalState = "Cancelled"
- runner.StartCrunchstat()
+ runner.startCrunchstat()
err = runner.StartContainer()
if err != nil {
os.Exit(1)
}
+ parentTemp, tmperr := cr.MkTempDir("", "crunch-run."+containerId+".")
+ if tmperr != nil {
+ log.Fatalf("%s: %v", containerId, tmperr)
+ }
+
+ cr.parentTemp = parentTemp
cr.statInterval = *statInterval
cr.cgroupRoot = *cgroupRoot
cr.expectCgroupParent = *cgroupParent
projects / arvados.git / blobdiff