Merge "Fix the docker may return a empty dict when pull images"

This commit is contained in:
Jenkins 2016-01-04 12:30:43 +00:00 committed by Gerrit Code Review
commit e355132bfc

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@ -211,28 +211,32 @@ class DockerWorker(object):
image, tag = self.parse_image()
status = [
statuses = [
json.loads(line.strip()) for line in self.dc.pull(
repository=image, tag=tag, stream=True
)
]
# NOTE(SamYaple): This allows us to use v1 and v2 docker registries.
# Eventually docker will stop supporting v1 registries and when
# that happens we can remove this.
search = -2 if 'legacy registry' in status[-1].get('status') else -1
if "Downloaded newer image for" in status[search].get('status'):
self.changed = True
elif "Image is up to date for" in status[search].get('status'):
# No new layer was pulled, no change
pass
else:
self.module.fail_json(
msg="Invalid status returned from pull",
changed=True,
failed=True
)
for status in reversed(statuses):
# NOTE(jeffrey4l): Get the last not empty status with status
# property
if status and status.get('status'):
# NOTE(SamYaple): This allows us to use v1 and v2 docker
# registries. Eventually docker will stop supporting v1
# registries and when that happens we can remove this.
if 'legacy registry' in status.get('status'):
continue
elif "Downloaded newer image for" in status.get('status'):
self.changed = True
return
elif "Image is up to date for" in status.get('status'):
return
else:
self.module.fail_json(
msg="Invalid status returned from pull",
changed=True,
failed=True
)
def remove_container(self):
if self.check_container():