package main
import (
+ "bytes"
"context"
"encoding/json"
"errors"
loggingDone chan bool
CrunchLog *ThrottledLogger
Stdout io.WriteCloser
- Stderr *ThrottledLogger
+ Stderr io.WriteCloser
LogCollection *CollectionWriter
LogsPDH *string
RunArvMount
for _, bind := range binds {
mnt := runner.Container.Mounts[bind]
- if bind == "stdout" {
+ if bind == "stdout" || bind == "stderr" {
// Is it a "file" mount kind?
if mnt.Kind != "file" {
- return fmt.Errorf("Unsupported mount kind '%s' for stdout. Only 'file' is supported.", mnt.Kind)
+ return fmt.Errorf("Unsupported mount kind '%s' for %s. Only 'file' is supported.", mnt.Kind, bind)
}
// Does path start with OutputPath?
prefix += "/"
}
if !strings.HasPrefix(mnt.Path, prefix) {
- return fmt.Errorf("Stdout path does not start with OutputPath: %s, %s", mnt.Path, prefix)
+ return fmt.Errorf("%s path does not start with OutputPath: %s, %s", strings.Title(bind), mnt.Path, prefix)
+ }
+ }
+
+ if bind == "stdin" {
+ // Is it a "collection" mount kind?
+ if mnt.Kind != "collection" && mnt.Kind != "json" {
+ return fmt.Errorf("Unsupported mount kind '%s' for stdin. Only 'collection' or 'json' are supported.", mnt.Kind)
}
}
}
switch {
- case mnt.Kind == "collection":
+ case mnt.Kind == "collection" && bind != "stdin":
var src string
if mnt.UUID != "" && mnt.PortableDataHash != "" {
return fmt.Errorf("Cannot specify both 'uuid' and 'portable_data_hash' for a collection mount")
return nil
}
-// AttachLogs connects the docker container stdout and stderr logs to the
-// Arvados logger which logs to Keep and the API server logs table.
+// AttachStreams connects the docker container stdin, stdout and stderr logs
+// to the Arvados logger which logs to Keep and the API server logs table.
func (runner *ContainerRunner) AttachStreams() (err error) {
runner.CrunchLog.Print("Attaching container streams")
+ // If stdin mount is provided, attach it to the docker container
+ var stdinRdr keepclient.Reader
+ var stdinJson []byte
+ if stdinMnt, ok := runner.Container.Mounts["stdin"]; ok {
+ if stdinMnt.Kind == "collection" {
+ var stdinColl arvados.Collection
+ collId := stdinMnt.UUID
+ if collId == "" {
+ collId = stdinMnt.PortableDataHash
+ }
+ err = runner.ArvClient.Get("collections", collId, nil, &stdinColl)
+ if err != nil {
+ return fmt.Errorf("While getting stding collection: %v", err)
+ }
+
+ stdinRdr, err = runner.Kc.ManifestFileReader(manifest.Manifest{Text: stdinColl.ManifestText}, stdinMnt.Path)
+ if os.IsNotExist(err) {
+ return fmt.Errorf("stdin collection path not found: %v", stdinMnt.Path)
+ } else if err != nil {
+ return fmt.Errorf("While getting stdin collection path %v: %v", stdinMnt.Path, err)
+ }
+ } else if stdinMnt.Kind == "json" {
+ stdinJson, err = json.Marshal(stdinMnt.Content)
+ if err != nil {
+ return fmt.Errorf("While encoding stdin json data: %v", err)
+ }
+ }
+ }
+
+ stdinUsed := stdinRdr != nil || len(stdinJson) != 0
response, err := runner.Docker.ContainerAttach(context.TODO(), runner.ContainerID,
- dockertypes.ContainerAttachOptions{Stream: true, Stdout: true, Stderr: true})
+ dockertypes.ContainerAttachOptions{Stream: true, Stdin: stdinUsed, Stdout: true, Stderr: true})
if err != nil {
return fmt.Errorf("While attaching container stdout/stderr streams: %v", err)
}
runner.loggingDone = make(chan bool)
if stdoutMnt, ok := runner.Container.Mounts["stdout"]; ok {
- stdoutPath := stdoutMnt.Path[len(runner.Container.OutputPath):]
- index := strings.LastIndex(stdoutPath, "/")
- if index > 0 {
- subdirs := stdoutPath[:index]
- if subdirs != "" {
- st, err := os.Stat(runner.HostOutputDir)
- if err != nil {
- return fmt.Errorf("While Stat on temp dir: %v", err)
- }
- stdoutPath := path.Join(runner.HostOutputDir, subdirs)
- err = os.MkdirAll(stdoutPath, st.Mode()|os.ModeSetgid|0777)
- if err != nil {
- return fmt.Errorf("While MkdirAll %q: %v", stdoutPath, err)
- }
- }
- }
- stdoutFile, err := os.Create(path.Join(runner.HostOutputDir, stdoutPath))
+ stdoutFile, err := runner.getStdoutFile(stdoutMnt.Path)
if err != nil {
- return fmt.Errorf("While creating stdout file: %v", err)
+ return err
}
runner.Stdout = stdoutFile
} else {
runner.Stdout = NewThrottledLogger(runner.NewLogWriter("stdout"))
}
- runner.Stderr = NewThrottledLogger(runner.NewLogWriter("stderr"))
+
+ if stderrMnt, ok := runner.Container.Mounts["stderr"]; ok {
+ stderrFile, err := runner.getStdoutFile(stderrMnt.Path)
+ if err != nil {
+ return err
+ }
+ runner.Stderr = stderrFile
+ } else {
+ runner.Stderr = NewThrottledLogger(runner.NewLogWriter("stderr"))
+ }
+
+ if stdinRdr != nil {
+ go func() {
+ _, err := io.Copy(response.Conn, stdinRdr)
+ if err != nil {
+ runner.CrunchLog.Print("While writing stdin collection to docker container %q", err)
+ runner.stop()
+ }
+ stdinRdr.Close()
+ response.CloseWrite()
+ }()
+ } else if len(stdinJson) != 0 {
+ go func() {
+ _, err := io.Copy(response.Conn, bytes.NewReader(stdinJson))
+ if err != nil {
+ runner.CrunchLog.Print("While writing stdin json to docker container %q", err)
+ runner.stop()
+ }
+ response.CloseWrite()
+ }()
+ }
go runner.ProcessDockerAttach(response.Reader)
return nil
}
+func (runner *ContainerRunner) getStdoutFile(mntPath string) (*os.File, error) {
+ stdoutPath := mntPath[len(runner.Container.OutputPath):]
+ index := strings.LastIndex(stdoutPath, "/")
+ if index > 0 {
+ subdirs := stdoutPath[:index]
+ if subdirs != "" {
+ st, err := os.Stat(runner.HostOutputDir)
+ if err != nil {
+ return nil, fmt.Errorf("While Stat on temp dir: %v", err)
+ }
+ stdoutPath := path.Join(runner.HostOutputDir, subdirs)
+ err = os.MkdirAll(stdoutPath, st.Mode()|os.ModeSetgid|0777)
+ if err != nil {
+ return nil, fmt.Errorf("While MkdirAll %q: %v", stdoutPath, err)
+ }
+ }
+ }
+ stdoutFile, err := os.Create(path.Join(runner.HostOutputDir, stdoutPath))
+ if err != nil {
+ return nil, fmt.Errorf("While creating file %q: %v", stdoutPath, err)
+ }
+
+ return stdoutFile, nil
+}
+
// CreateContainer creates the docker container.
func (runner *ContainerRunner) CreateContainer() error {
runner.CrunchLog.Print("Creating Docker container")
}
}
- createdBody, err := runner.Docker.ContainerCreate(context.TODO(), &runner.ContainerConfig, nil, nil, "")
+ _, stdinUsed := runner.Container.Mounts["stdin"]
+ runner.ContainerConfig.OpenStdin = stdinUsed
+ runner.ContainerConfig.StdinOnce = stdinUsed
+ runner.ContainerConfig.AttachStdin = stdinUsed
+ runner.ContainerConfig.AttachStdout = true
+ runner.ContainerConfig.AttachStderr = true
+
+ createdBody, err := runner.Docker.ContainerCreate(context.TODO(), &runner.ContainerConfig, &runner.HostConfig, nil, runner.Container.UUID)
if err != nil {
return fmt.Errorf("While creating container: %v", err)
}
return fmt.Errorf("container wait: %v", err)
}
- runner.CrunchLog.Printf("container wait API status code: %v", waitDocker)
+ runner.CrunchLog.Printf("Container exited with code: %v", waitDocker)
code := int(waitDocker)
runner.ExitCode = &code