From: Zhou Zheng Sheng <zhshzhou(a)linux.vnet.ibm.com&gt; run_command logs stdout and stderr output using the "debug" level. In this patch, if returncode is non-zero, it logs stderr output using the "error" level. It's helpful for diagnosing underlying command errors. Signed-off-by: Zhou Zheng Sheng <zhshzhou(a)linux.vnet.ibm.com&gt; --- src/kimchi/utils.py | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/kimchi/utils.py b/src/kimchi/utils.py index d4ab1a1..e89a93f 100644 --- a/src/kimchi/utils.py +++ b/src/kimchi/utils.py @@ -169,8 +169,13 @@ def run_command(cmd, timeout=None): out, error = proc.communicate() kimchi_log.debug("Run command: '%s'", " ".join(cmd)) - if out or error: - kimchi_log.debug("out:\n %s\nerror:\n %s", out, error) + if out: + kimchi_log.debug("out:\n%s", out) + + if proc.returncode != 0: + kimchi_log.error("rc: %s\nerror:\n%s", proc.returncode, error) + elif error: + kimchi_log.debug("error:\n%s", error) if timeout_flag[0]: msg = ("subprocess is killed by signal.SIGKILL for "