def crawl_metadata(self):
"""Crawl metadata service when available.
@returns: Dictionary of crawled metadata content containing the keys:
meta-data, user-data and dynamic.
"""
if not self.wait_for_metadata_service():
return {}
api_version = self.get_metadata_api_version()
crawled_metadata = {}
try:
crawled_metadata['user-data'] = ec2.get_instance_userdata(
api_version, self.metadata_address)
crawled_metadata['meta-data'] = ec2.get_instance_metadata(
api_version, self.metadata_address)
if self.cloud_name == CloudNames.AWS:
identity = ec2.get_instance_identity(
api_version, self.metadata_address)
crawled_metadata['dynamic'] = {'instance-identity': identity}
except Exception:
util.logexc(
LOG, "Failed reading from metadata address %s",
self.metadata_address)
return {}
crawled_metadata['_metadata_api_version'] = api_version
return crawled_metadata
def get_instance_id(self):
if self.cloud_platform == Platforms.AWS:
# Prefer the ID from the instance identity document, but fall back
if not getattr(self, 'identity', None):
# If re-using cached datasource, it's get_data run didn't
# setup self.identity. So we need to do that now.
api_version = self.get_metadata_api_version()
self.identity = ec2.get_instance_identity(
api_version, self.metadata_address).get('document', {})
return self.identity.get(
'instanceId', self.metadata['instance-id'])
else:
return self.metadata['instance-id']
def get_instance_id(self):
if self.cloud_name == CloudNames.AWS:
# Prefer the ID from the instance identity document, but fall back
if not getattr(self, 'identity', None):
# If re-using cached datasource, it's get_data run didn't
# setup self.identity. So we need to do that now.
api_version = self.get_metadata_api_version()
self.identity = ec2.get_instance_identity(
api_version, self.metadata_address).get('document', {})
return self.identity.get(
'instanceId', self.metadata['instance-id'])
else:
return self.metadata['instance-id']
def crawl_metadata(self):
"""Crawl metadata service when available.
@returns: Dictionary of crawled metadata content containing the keys:
meta-data, user-data and dynamic.
"""
if not self.wait_for_metadata_service():
return {}
api_version = self.get_metadata_api_version()
redact = AWS_TOKEN_REDACT
crawled_metadata = {}
if self.cloud_name == CloudNames.AWS:
exc_cb = self._refresh_stale_aws_token_cb
exc_cb_ud = self._skip_or_refresh_stale_aws_token_cb
else:
exc_cb = exc_cb_ud = None
try:
crawled_metadata["user-data"] = ec2.get_instance_userdata(
api_version,
self.metadata_address,
headers_cb=self._get_headers,
headers_redact=redact,
exception_cb=exc_cb_ud,
)
crawled_metadata["meta-data"] = ec2.get_instance_metadata(
api_version,
self.metadata_address,
headers_cb=self._get_headers,
headers_redact=redact,
exception_cb=exc_cb,
)
if self.cloud_name == CloudNames.AWS:
identity = ec2.get_instance_identity(
api_version,
self.metadata_address,
headers_cb=self._get_headers,
headers_redact=redact,
exception_cb=exc_cb,
)
crawled_metadata["dynamic"] = {"instance-identity": identity}
except Exception:
util.logexc(
LOG,
"Failed reading from metadata address %s",
self.metadata_address,
)
return {}
crawled_metadata["_metadata_api_version"] = api_version
return crawled_metadata
def get_instance_id(self):
if self.cloud_name == CloudNames.AWS:
# Prefer the ID from the instance identity document, but fall back
if not getattr(self, 'identity', None):
# If re-using cached datasource, it's get_data run didn't
# setup self.identity. So we need to do that now.
api_version = self.get_metadata_api_version()
self.identity = ec2.get_instance_identity(
api_version, self.metadata_address,
headers_cb=self._get_headers,
headers_redact=AWS_TOKEN_REDACT,
exception_cb=self._refresh_stale_aws_token_cb).get(
'document', {})
return self.identity.get(
'instanceId', self.metadata['instance-id'])
else:
return self.metadata['instance-id']
def _crawl_metadata(self):
"""Crawl metadata service when available.
@returns: True on success, False otherwise.
"""
if not self.wait_for_metadata_service():
return False
api_version = self.get_metadata_api_version()
try:
self.userdata_raw = ec2.get_instance_userdata(
api_version, self.metadata_address)
self.metadata = ec2.get_instance_metadata(api_version,
self.metadata_address)
if self.cloud_platform == Platforms.AWS:
self.identity = ec2.get_instance_identity(
api_version, self.metadata_address).get('document', {})
except Exception:
util.logexc(LOG, "Failed reading from metadata address %s",
self.metadata_address)
return False
return True
