[ARVADOS] created: 2.1.0-1832-g3b9c4641a

[Git user]

        at  3b9c4641a985a53347696b7a77bcde28a92d6e79 (commit)


commit 3b9c4641a985a53347696b7a77bcde28a92d6e79
Author: Tom Clegg <tom at curii.com>
Date:   Tue Jan 18 10:13:50 2022 -0500

    18513: Decipher status code in crunch-run.txt log.
    
    Container exited with status code 137 (signal 9, SIGKILL)
    
    Previously, docker mode just said "exited with code: 137" and
    singularity mode didn't mention it at all.
    
    Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom at curii.com>

diff --git a/lib/crunchrun/crunchrun.go b/lib/crunchrun/crunchrun.go
index fb2200a56..af0d49c80 100644
--- a/lib/crunchrun/crunchrun.go
+++ b/lib/crunchrun/crunchrun.go
@@ -36,6 +36,7 @@ import (
 	"git.arvados.org/arvados.git/sdk/go/arvadosclient"
 	"git.arvados.org/arvados.git/sdk/go/keepclient"
 	"git.arvados.org/arvados.git/sdk/go/manifest"
+	"golang.org/x/sys/unix"
 )
 
 type command struct{}
@@ -1056,6 +1057,20 @@ func (runner *ContainerRunner) WaitFinish() error {
 	}
 	runner.ExitCode = &exitcode
 
+	extra := ""
+	if exitcode&0x80 != 0 {
+		// Convert raw exit status (0x80 + signal number) to a
+		// string to log after the code, like " (signal 101)"
+		// or " (signal 9, killed)"
+		sig := syscall.WaitStatus(exitcode).Signal()
+		if name := unix.SignalName(sig); name != "" {
+			extra = fmt.Sprintf(" (signal %d, %s)", sig, name)
+		} else {
+			extra = fmt.Sprintf(" (signal %d)", sig)
+		}
+	}
+	runner.CrunchLog.Printf("Container exited with status code %d%s", exitcode, extra)
+
 	var returnErr error
 	if err = runner.executorStdin.Close(); err != nil {
 		err = fmt.Errorf("error closing container stdin: %s", err)
diff --git a/lib/crunchrun/crunchrun_test.go b/lib/crunchrun/crunchrun_test.go
index 97f91103a..2ec35f055 100644
--- a/lib/crunchrun/crunchrun_test.go
+++ b/lib/crunchrun/crunchrun_test.go
@@ -1567,6 +1567,7 @@ func (s *TestSuite) TestFullRunWithAPI(c *C) {
 	})
 	c.Check(s.api.CalledWith("container.exit_code", 3), NotNil)
 	c.Check(s.api.CalledWith("container.state", "Complete"), NotNil)
+	c.Check(s.api.Logs["crunch-run"].String(), Matches, `(?ms).*status code 3\n.*`)
 }
 
 func (s *TestSuite) TestFullRunSetOutput(c *C) {
@@ -1599,7 +1600,7 @@ func (s *TestSuite) TestArvMountRuntimeStatusWarning(c *C) {
 	}
 	s.executor.runFunc = func() {
 		time.Sleep(time.Second)
-		s.executor.exit <- 0
+		s.executor.exit <- 137
 	}
 	record := `{
     "command": ["sleep", "1"],
@@ -1616,10 +1617,11 @@ func (s *TestSuite) TestArvMountRuntimeStatusWarning(c *C) {
 	c.Assert(err, IsNil)
 	err = s.runner.Run()
 	c.Assert(err, IsNil)
-	c.Check(s.api.CalledWith("container.exit_code", 0), NotNil)
+	c.Check(s.api.CalledWith("container.exit_code", 137), NotNil)
 	c.Check(s.api.CalledWith("container.runtime_status.warning", "arv-mount: Keep write error"), NotNil)
 	c.Check(s.api.CalledWith("container.runtime_status.warningDetail", "Test: Keep write error: I am a teapot"), NotNil)
 	c.Check(s.api.CalledWith("container.state", "Complete"), NotNil)
+	c.Check(s.api.Logs["crunch-run"].String(), Matches, `(?ms).*Container exited with status code 137 \(signal 9, SIGKILL\).*`)
 }
 
 func (s *TestSuite) TestStdoutWithExcludeFromOutputMountPointUnderOutputDir(c *C) {
diff --git a/lib/crunchrun/docker.go b/lib/crunchrun/docker.go
index 06e5b5b1e..e62f2a39b 100644
--- a/lib/crunchrun/docker.go
+++ b/lib/crunchrun/docker.go
@@ -215,7 +215,6 @@ func (e *dockerExecutor) Wait(ctx context.Context) (int, error) {
 	for {
 		select {
 		case waitBody := <-waitOk:
-			e.logf("Container exited with code: %v", waitBody.StatusCode)
 			// wait for stdout/stderr to complete
 			<-e.doneIO
 			return int(waitBody.StatusCode), nil
diff --git a/lib/crunchrun/executor_test.go b/lib/crunchrun/executor_test.go
index 08c7140ad..99af0530f 100644
--- a/lib/crunchrun/executor_test.go
+++ b/lib/crunchrun/executor_test.go
@@ -86,6 +86,22 @@ func (s *executorSuite) TestExecTrivialContainer(c *C) {
 	c.Check(s.stderr.String(), Equals, "")
 }
 
+func (s *executorSuite) TestExitStatus(c *C) {
+	s.spec.Command = []string{"false"}
+	s.checkRun(c, 1)
+}
+
+func (s *executorSuite) TestSignalExitStatus(c *C) {
+	if _, isdocker := s.executor.(*dockerExecutor); isdocker {
+		// It's not quite this easy to make busybox kill
+		// itself in docker where it's pid 1.
+		c.Skip("kill -9 $$ doesn't work on busybox with pid=1 in docker")
+		return
+	}
+	s.spec.Command = []string{"sh", "-c", "kill -9 $$"}
+	s.checkRun(c, 0x80+9)
+}
+
 func (s *executorSuite) TestExecStop(c *C) {
 	s.spec.Command = []string{"sh", "-c", "sleep 10; echo ok"}
 	err := s.executor.Create(s.spec)

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