def _get_hostname_metadata(self):
"""
Returns a dictionnary that contains hostname metadata.
"""
metadata = EC2.get_metadata(self.agentConfig)
if metadata.get('hostname'):
metadata['ec2-hostname'] = metadata.get('hostname')
del metadata['hostname']
if self.agentConfig.get('hostname'):
metadata['agent-hostname'] = self.agentConfig.get('hostname')
else:
try:
metadata["socket-hostname"] = socket.gethostname()
except Exception:
pass
try:
metadata["socket-fqdn"] = socket.getfqdn()
except Exception:
pass
metadata["hostname"] = self.hostname
metadata["timezones"] = self._decode_tzname(time.tzname)
# Add cloud provider aliases
host_aliases = GCE.get_host_aliases(self.agentConfig)
if host_aliases:
metadata['host_aliases'] = host_aliases
return metadata
def test_metadata(self):
# Reset metadata just to be sure
EC2.metadata = {}
# Test gathering metadata from ec2
start = time.time()
d = EC2.get_metadata({'collect_instance_metadata': True})
end = time.time()
self.assertTrue(isinstance(d, types.DictType))
# Either we're on ec2 or we're not (at least 7 attributes expected)
assert len(d) == 0 or len(d) >= 7, d
if "instance-id" in d:
assert d["instance-id"].startswith("i-"), d
assert end - start <= 1.15, "It took %s seconds to get ec2 metadata" % (end-start)
