The "images" command is a fairly heavyweight command to run as it
involves searching the whole docker file-system inventory. On a
machine with a lot of images this makes start-up fairly expensive.
Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
---
v8
- use version instead of ps, add comment
diff --git a/tests/docker/docker.py b/tests/docker/docker.py
index c83fd89985..e6685f6d81 100755
--- a/tests/docker/docker.py
+++ b/tests/docker/docker.py
@@ -49,7 +49,9 @@ def _guess_docker_command():
commands = [["docker"], ["sudo", "-n", "docker"]]
for cmd in commands:
try:
- if subprocess.call(cmd + ["images"],
+ # docker version will return the client details in stdout
+ # but still report a status of 1 if it can't contact the daemon
+ if subprocess.call(cmd + ["version"],
stdout=DEVNULL, stderr=DEVNULL) == 0:
return cmd
except OSError:
--
2.17.1
