def get_region(self):
if os.environ.get("AX_AWS_REGION", None):
return os.environ.get("AX_AWS_REGION")
if Cloud().own_cloud() != Cloud.CLOUD_AWS:
return "unknown-region"
url = self._meta_url + "placement/availability-zone"
retry = AXRetry(retry_exception=(Exception, ))
r = ax_retry(requests.get, retry, url, timeout=10)
return r.text[:-1]
def _remove(self, container, **kwargs):
try:
self._conn.remove_container(container, v=True, **kwargs)
except NotFound:
pass
except APIError as e:
if "Conflict" in str(e):
logger.error("Not removing running container %s", container)
elif "device or resource busy" in str(e):
# Work around https://github.com/google/cadvisor/issues/771
logger.error("Container removal temporary failure. Retrying.")
retry = AXRetry(retries=10,
delay=1,
retry_exception=(Exception, ),
success_exception=(NotFound, ))
ax_retry(self._conn.remove_container,
retry,
container,
v=True,
force=True)
else:
logger.exception("Failed to remove container %s", container)
except Exception:
logger.exception("Failed to remove container %s", container)
def post(topic, op, data, key=None):
"""
Post an event to axevent server.
:param path: pathname for event.
:param data: event json data.
:return POST response or None
"""
logger.debug("Post {} {} {}".format(topic, key, json.dumps(data)))
retry = AXRetry(retry_exception=(Exception, ))
# kafka consumer has its own timeout, by default is 30 seconds
return ax_retry(AXEventClient.producer().send,
retry,
topic=topic,
key=key,
value=AXEventClient.pack_message_body(op, data))
def get_user_data(self, attr=None, plain_text=False):
"""
Get AWS EC2 user data.
:param attr: string: name of attribute if only one attribute is needed.
:param plain_text: Is user data plain text or json.
:return value of user data
"""
retry = AXRetry(retry_exception=(Exception, ))
r = ax_retry(requests.get, retry, self._user_url, timeout=10)
if r:
if plain_text:
return r.text
else:
if attr:
return r.json().get(attr, None)
else:
return r.json()
def _push_with_retry(self, registry, name, tag):
return ax_retry(self._push, self._retry, registry, name, tag)
def _pull_with_retry(self, registry, name, tag, **kwargs):
return ax_retry(self._pull, self._retry, registry, name, tag, **kwargs)
def get_instance_type(self):
url = self._meta_url + "instance-type"
retry = AXRetry(retries=3, delay=2, retry_exception=(Exception, ))
r = ax_retry(requests.get, retry, url, timeout=3)
return r.text.strip()
def get_zone(self):
url = self._meta_url + "placement/availability-zone"
retry = AXRetry(retry_exception=(Exception, ))
r = ax_retry(requests.get, retry, url, timeout=10)
return r.text