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healthchecks: return systemd-run error

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In case `systemd-run` errors when creating transient unit files (and
timers), create an error based on the combined output from stdout and
stderr.  Using the error from `exec.Command` contains the exit code
only which is not useful to debug (see #7484).

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
Valentin Rothberg
2020-09-29 18:26:15 +02:00
parent 5cf865926e
commit b07eb0bc91
1 changed files with 2 additions and 3 deletions
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5
libpod/healthcheck_linux.go
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@ -35,9 +35,8 @@ func (c *Container) createTimer() error {
conn.Close()
logrus.Debugf("creating systemd-transient files: %s %s", "systemd-run", cmd)
systemdRun := exec.Command("systemd-run", cmd...)
_, err = systemdRun.CombinedOutput()
if err != nil {
return err
if output, err := systemdRun.CombinedOutput(); err != nil {
return errors.Errorf("%s", output)
}
return nil
}