def _find_vpc_by_name(self, vpc_name):
vpc_connection = boto.vpc.connect_to_region(
self._region_name,
aws_access_key_id=self._access_key,
aws_secret_access_key=self._secret_key,
is_secure=self._secure,
host=self._ec2host,
port=self._ec2port,
path=self._ec2path,
)
log.debug("VPC connection has been successful.")
for vpc in vpc_connection.get_all_vpcs():
matches = [vpc.id]
if 'Name' in vpc.tags:
matches.append(vpc.tags['Name'])
if vpc_name in matches:
vpc_id = vpc.id
if vpc_name != vpc_id:
# then `vpc_name` is the VPC name
log.debug("VPC `%s` has ID `%s`", vpc_name, vpc_id)
break
else:
raise VpcError('Cannot find VPC `{0}`.'.format(vpc_name))
return (vpc_connection, vpc_id)
def _connect(self):
"""Connects to the ec2 cloud provider
:return: :py:class:`boto.ec2.connection.EC2Connection`
:raises: Generic exception on error
"""
# check for existing connection
if self._ec2_connection:
return self._ec2_connection
if not self._vpc:
vpc_connection = None
try:
log.debug("Connecting to EC2 endpoint %s", self._ec2host)
# connect to webservice
ec2_connection = self._region.connect()
log.debug("EC2 connection has been successful.")
if self._vpc:
vpc_connection = boto.connect_vpc(
aws_access_key_id=self._access_key,
aws_secret_access_key=self._secret_key,
is_secure=self._secure,
host=self._ec2host, port=self._ec2port,
path=self._ec2path, region=self._region)
log.debug("VPC connection has been successful.")
for vpc in vpc_connection.get_all_vpcs():
matches = [vpc.id]
if 'Name' in vpc.tags:
matches.append(vpc.tags['Name'])
if self._vpc in matches:
self._vpc_id = vpc.id
if self._vpc != self._vpc_id:
# then `self._vpc` is the VPC's name
log.debug(
"VPC `%s` has ID `%s`",
self._vpc, self._vpc_id)
break
else:
raise VpcError('Cannot find VPC `{0}`.'.format(self._vpc))
# list images to see if the connection works
# images = self._ec2_connection.get_all_images()
# log.debug("%d images found on cloud %s",
# len(images), self._ec2host)
except Exception as e:
log.error("Error connecting to EC2: %s", e)
raise
self._ec2_connection, self._vpc_connection = (
ec2_connection, vpc_connection)
return self._ec2_connection
def _connect(self):
"""Connects to the ec2 cloud provider
:return: :py:class:`boto.ec2.connection.EC2Connection`
:raises: Generic exception on error
"""
# check for existing connection
if self._ec2_connection:
return self._ec2_connection
try:
log.debug("Connecting to ec2 host %s", self._ec2host)
region = ec2.regioninfo.RegionInfo(name=self._region_name,
endpoint=self._ec2host)
# connect to webservice
ec2_connection = boto.connect_ec2(
aws_access_key_id=self._access_key,
aws_secret_access_key=self._secret_key,
is_secure=self._secure,
host=self._ec2host,
port=self._ec2port,
path=self._ec2path,
region=region)
log.debug("EC2 connection has been successful.")
if self._vpc:
vpc_connection = boto.connect_vpc(
aws_access_key_id=self._access_key,
aws_secret_access_key=self._secret_key,
is_secure=self._secure,
host=self._ec2host,
port=self._ec2port,
path=self._ec2path,
region=region)
log.debug("VPC connection has been successful.")
for vpc in vpc_connection.get_all_vpcs():
log.debug("Checking whether %s matches %s/%s" %
(self._vpc, vpc.tags['Name'], vpc.id))
if self._vpc in [vpc.tags['Name'], vpc.id]:
self._vpc_id = vpc.id
if self._vpc != self._vpc_id:
log.debug("VPC %s matches %s" %
(self._vpc, self._vpc_id))
break
else:
raise VpcError('VPC %s does not exist.' % self._vpc)
# list images to see if the connection works
# images = self._ec2_connection.get_all_images()
# log.debug("%d images found on cloud %s",
# len(images), self._ec2host)
except Exception as e:
log.error(
"connection to ec2 could not be "
"established: message=`%s`", str(e))
raise
self._ec2_connection, self._vpc_connection = (ec2_connection,
vpc_connection)
return self._ec2_connection
