def _build_with_docker(self, docker_client):
docker_args = {}
docker_args['path'] = os.path.join(self.target, 'image')
docker_args['pull'] = self.params.pull
docker_args['rm'] = True
docker_args['decode'] = True
build_log = []
docker_layer_ids = []
try:
stream = docker_client.build(**docker_args)
for part in stream:
# In case an error is returned, log the message and fail the build
if 'errorDetail' in part:
error_message = part.get('errorDetail',
{}).get('message', '')
raise CekitError(
"Image build failed: '{}'".format(error_message))
elif 'stream' in part:
messages = part['stream']
else:
# We actually expect only 'stream' here.
# If there is something different, we ignore it.
# It's safe to do so because if it would be an error, we would catch it
# earlier. Ignored logs are related to fetching/pulling/extracting
# of container images.
continue
# This prevents polluting CEKit log with downloading/extracting messages
messages = ANSI_ESCAPE.sub('', messages).strip()
# Python 2 compatibility
if sys.version_info[0] == 2:
messages = messages.encode("utf-8", errors="ignore")
for message in messages.split('\n'):
LOGGER.info('Docker: {}'.format(message))
build_log.append(messages)
layer_id_match = re.search(r'^---> ([\w]{12})$', messages)
if layer_id_match:
docker_layer_ids.append(layer_id_match.group(1))
except requests.ConnectionError as ex:
exception_chain = traceback.format_exc()
LOGGER.debug(
"Caught ConnectionError attempting to communicate with Docker ",
exc_info=1)
if 'PermissionError' in exception_chain:
message = "Unable to contact docker daemon. Is it correctly setup?\n" \
"See https://developer.fedoraproject.org/tools/docker/docker-installation.html and " \
"http://www.projectatomic.io/blog/2015/08/why-we-dont-let-non-root-users-run-docker-in-centos-fedora-or-rhel"
elif 'FileNotFoundError' in exception_chain:
message = "Unable to contact docker daemon. Is it started?"
else:
message = "Unknown ConnectionError from docker ; is the daemon started and correctly setup?"
if sys.version_info.major == 3:
# Work-around for python 2 / 3 code - replicate exception(...) from None
cekit_exception = CekitError(message, ex)
cekit_exception.__cause__ = None
raise cekit_exception
else:
raise CekitError(message, ex)
except Exception as ex:
msg = "Image build failed, see logs above."
if len(docker_layer_ids) >= 2:
LOGGER.error("You can look inside the failed image by running "
"'docker run --rm -ti {} bash'".format(
docker_layer_ids[-1]))
if "To enable Red Hat Subscription Management repositories:" in ' '.join(build_log) and \
not os.path.exists(os.path.join(self.target, 'image', 'repos')):
msg = "Image build failed with a yum error and you don't " \
"have any yum repository configured, please check " \
"your image/module descriptor for proper repository " \
"definitions."
raise CekitError(msg, ex)
return docker_layer_ids[-1]
def _build_with_docker(self, docker_client):
docker_args = {}
docker_args['path'] = os.path.join(self.target, 'image')
docker_args['pull'] = self.params.pull
docker_args['rm'] = True
build_log = [""]
docker_layer_ids = []
try:
out = docker_client.build(**docker_args)
for line in out:
if b'stream' in line:
line = yaml.safe_load(line)['stream']
elif b'status' in line:
line = yaml.safe_load(line)['status']
elif b'errorDetail' in line:
line = yaml.safe_load(line)['errorDetail']['message']
raise CekitError("Image build failed: '%s'" % line)
if line != build_log[-1]:
# this prevents poluting cekit log with dowloading/extracting msgs
log_msg = ANSI_ESCAPE.sub('', line).strip()
for msg in log_msg.split('\n'):
LOGGER.info('Docker: %s' % msg)
build_log.append(line)
layer_id_match = re.search(r'^---> ([\w]{12})$',
line.strip())
if layer_id_match:
docker_layer_ids.append(layer_id_match.group(1))
except requests.ConnectionError as ex:
exception_chain = traceback.format_exc()
LOGGER.debug(
"Caught ConnectionError attempting to communicate with Docker ",
exc_info=1)
if 'PermissionError' in exception_chain:
message = "Unable to contact docker daemon. Is it correctly setup?\n" \
"See https://developer.fedoraproject.org/tools/docker/docker-installation.html and " \
"http://www.projectatomic.io/blog/2015/08/why-we-dont-let-non-root-users-run-docker-in-centos-fedora-or-rhel"
elif 'FileNotFoundError' in exception_chain:
message = "Unable to contact docker daemon. Is it started?"
else:
message = "Unknown ConnectionError from docker ; is the daemon started and correctly setup?"
if sys.version_info.major == 3:
# Work-around for python 2 / 3 code - replicate exception(...) from None
cekit_exception = CekitError(message, ex)
cekit_exception.__cause__ = None
raise cekit_exception
else:
raise CekitError(message, ex)
except Exception as ex:
msg = "Image build failed, see logs above."
if len(docker_layer_ids) >= 2:
LOGGER.error("You can look inside the failed image by running "
"'docker run --rm -ti %s bash'" %
docker_layer_ids[-1])
if "To enable Red Hat Subscription Management repositories:" in ' '.join(build_log) and \
not os.path.exists(os.path.join(self.target, 'image', 'repos')):
msg = "Image build failed with a yum error and you don't " \
"have any yum repository configured, please check " \
"your image/module descriptor for proper repository " \
" definitions."
raise CekitError(msg, ex)
return docker_layer_ids[-1]
