Merge branch '10538-trash-delete' closes #10538
[arvados.git] / sdk / go / crunchrunner / crunchrunner.go
index de63a20745e22c058eddb3c482d34c88a43252be..5d7e10be4beb34fef1892b2d2d7c150fd9906176 100644 (file)
@@ -1,17 +1,17 @@
 package main
 
 import (
-       "crypto/x509"
+       "encoding/json"
        "fmt"
+       "git.curoverse.com/arvados.git/sdk/go/arvados"
        "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
        "git.curoverse.com/arvados.git/sdk/go/keepclient"
+       "io"
        "io/ioutil"
        "log"
-       "net/http"
        "os"
        "os/exec"
        "os/signal"
-       "path"
        "strings"
        "syscall"
 )
@@ -21,10 +21,12 @@ type TaskDef struct {
        Env                map[string]string `json:"task.env"`
        Stdin              string            `json:"task.stdin"`
        Stdout             string            `json:"task.stdout"`
+       Stderr             string            `json:"task.stderr"`
        Vwd                map[string]string `json:"task.vwd"`
        SuccessCodes       []int             `json:"task.successCodes"`
        PermanentFailCodes []int             `json:"task.permanentFailCodes"`
        TemporaryFailCodes []int             `json:"task.temporaryFailCodes"`
+       KeepTmpOutput      bool              `json:"task.keepTmpOutput"`
 }
 
 type Tasks struct {
@@ -50,17 +52,21 @@ type IArvadosClient interface {
        Update(resourceType string, uuid string, parameters arvadosclient.Dict, output interface{}) (err error)
 }
 
-func setupDirectories(crunchtmpdir, taskUuid string) (tmpdir, outdir string, err error) {
+func setupDirectories(crunchtmpdir, taskUuid string, keepTmp bool) (tmpdir, outdir string, err error) {
        tmpdir = crunchtmpdir + "/tmpdir"
        err = os.Mkdir(tmpdir, 0700)
        if err != nil {
                return "", "", err
        }
 
-       outdir = crunchtmpdir + "/outdir"
-       err = os.Mkdir(outdir, 0700)
-       if err != nil {
-               return "", "", err
+       if keepTmp {
+               outdir = os.Getenv("TASK_KEEPMOUNT_TMP")
+       } else {
+               outdir = crunchtmpdir + "/outdir"
+               err = os.Mkdir(outdir, 0700)
+               if err != nil {
+                       return "", "", err
+               }
        }
 
        return tmpdir, outdir, nil
@@ -81,15 +87,39 @@ func checkOutputFilename(outdir, fn string) error {
        return nil
 }
 
-func setupCommand(cmd *exec.Cmd, taskp TaskDef, outdir string, replacements map[string]string) (stdin, stdout string, err error) {
+func copyFile(dst, src string) error {
+       in, err := os.Open(src)
+       if err != nil {
+               return err
+       }
+       defer in.Close()
+
+       out, err := os.Create(dst)
+       if err != nil {
+               return err
+       }
+       defer out.Close()
+
+       _, err = io.Copy(out, in)
+       return err
+}
+
+func setupCommand(cmd *exec.Cmd, taskp TaskDef, outdir string, replacements map[string]string) (stdin, stdout, stderr string, err error) {
        if taskp.Vwd != nil {
                for k, v := range taskp.Vwd {
                        v = substitute(v, replacements)
                        err = checkOutputFilename(outdir, k)
                        if err != nil {
-                               return "", "", err
+                               return "", "", "", err
+                       }
+                       if taskp.KeepTmpOutput {
+                               err = copyFile(v, outdir+"/"+k)
+                       } else {
+                               err = os.Symlink(v, outdir+"/"+k)
+                       }
+                       if err != nil {
+                               return "", "", "", err
                        }
-                       os.Symlink(v, outdir+"/"+k)
                }
        }
 
@@ -98,26 +128,39 @@ func setupCommand(cmd *exec.Cmd, taskp TaskDef, outdir string, replacements map[
                stdin = substitute(taskp.Stdin, replacements)
                cmd.Stdin, err = os.Open(stdin)
                if err != nil {
-                       return "", "", err
+                       return "", "", "", err
                }
        }
 
        if taskp.Stdout != "" {
                err = checkOutputFilename(outdir, taskp.Stdout)
                if err != nil {
-                       return "", "", err
+                       return "", "", "", err
                }
                // Set up stdout redirection
                stdout = outdir + "/" + taskp.Stdout
                cmd.Stdout, err = os.Create(stdout)
                if err != nil {
-                       return "", "", err
+                       return "", "", "", err
                }
        } else {
                cmd.Stdout = os.Stdout
        }
 
-       cmd.Stderr = os.Stderr
+       if taskp.Stderr != "" {
+               err = checkOutputFilename(outdir, taskp.Stderr)
+               if err != nil {
+                       return "", "", "", err
+               }
+               // Set up stderr redirection
+               stderr = outdir + "/" + taskp.Stderr
+               cmd.Stderr, err = os.Create(stderr)
+               if err != nil {
+                       return "", "", "", err
+               }
+       } else {
+               cmd.Stderr = os.Stderr
+       }
 
        if taskp.Env != nil {
                // Set up subprocess environment
@@ -127,7 +170,7 @@ func setupCommand(cmd *exec.Cmd, taskp TaskDef, outdir string, replacements map[
                        cmd.Env = append(cmd.Env, k+"="+v)
                }
        }
-       return stdin, stdout, nil
+       return stdin, stdout, stderr, nil
 }
 
 // Set up signal handlers.  Go sends signal notifications to a "signal
@@ -167,6 +210,22 @@ func substitute(inp string, subst map[string]string) string {
        return inp
 }
 
+func getKeepTmp(outdir string) (manifest string, err error) {
+       fn, err := os.Open(outdir + "/" + ".arvados#collection")
+       if err != nil {
+               return "", err
+       }
+       defer fn.Close()
+
+       buf, err := ioutil.ReadAll(fn)
+       if err != nil {
+               return "", err
+       }
+       collection := arvados.Collection{}
+       err = json.Unmarshal(buf, &collection)
+       return collection.ManifestText, err
+}
+
 func runner(api IArvadosClient,
        kc IKeepClient,
        jobUuid, taskUuid, crunchtmpdir, keepmount string,
@@ -205,7 +264,7 @@ func runner(api IArvadosClient,
        }
 
        var tmpdir, outdir string
-       tmpdir, outdir, err = setupDirectories(crunchtmpdir, taskUuid)
+       tmpdir, outdir, err = setupDirectories(crunchtmpdir, taskUuid, taskp.KeepTmpOutput)
        if err != nil {
                return TempFail{err}
        }
@@ -228,8 +287,8 @@ func runner(api IArvadosClient,
 
        cmd.Dir = outdir
 
-       var stdin, stdout string
-       stdin, stdout, err = setupCommand(cmd, taskp, outdir, replacements)
+       var stdin, stdout, stderr string
+       stdin, stdout, stderr, err = setupCommand(cmd, taskp, outdir, replacements)
        if err != nil {
                return err
        }
@@ -241,7 +300,10 @@ func runner(api IArvadosClient,
        if stdout != "" {
                stdout = " > " + stdout
        }
-       log.Printf("Running %v%v%v", cmd.Args, stdin, stdout)
+       if stderr != "" {
+               stderr = " 2> " + stderr
+       }
+       log.Printf("Running %v%v%v%v", cmd.Args, stdin, stdout, stderr)
 
        var caughtSignal os.Signal
        sigChan := setupSignals(cmd)
@@ -297,7 +359,12 @@ func runner(api IArvadosClient,
        }
 
        // Upload output directory
-       manifest, err := WriteTree(kc, outdir)
+       var manifest string
+       if taskp.KeepTmpOutput {
+               manifest, err = getKeepTmp(outdir)
+       } else {
+               manifest, err = WriteTree(kc, outdir)
+       }
        if err != nil {
                return TempFail{err}
        }
@@ -327,24 +394,6 @@ func main() {
                log.Fatal(err)
        }
 
-       // Container may not have certificates installed, so need to look for
-       // /etc/arvados/ca-certificates.crt in addition to normal system certs.
-       var certFiles = []string{
-               "/etc/ssl/certs/ca-certificates.crt", // Debian
-               "/etc/pki/tls/certs/ca-bundle.crt",   // Red Hat
-               "/etc/arvados/ca-certificates.crt",
-       }
-
-       certs := x509.NewCertPool()
-       for _, file := range certFiles {
-               data, err := ioutil.ReadFile(file)
-               if err == nil {
-                       log.Printf("Using TLS certificates at %v", file)
-                       certs.AppendCertsFromPEM(data)
-               }
-       }
-       api.Client.Transport.(*http.Transport).TLSClientConfig.RootCAs = certs
-
        jobUuid := os.Getenv("JOB_UUID")
        taskUuid := os.Getenv("TASK_UUID")
        tmpdir := os.Getenv("TASK_WORK")
@@ -363,7 +412,7 @@ func main() {
        }
 
        var kc IKeepClient
-       kc, err = keepclient.MakeKeepClient(&api)
+       kc, err = keepclient.MakeKeepClient(api)
        if err != nil {
                log.Fatal(err)
        }