def delete_network():
existing_vpcs = u.get_vpc_dict()
if VPC_NAME in existing_vpcs:
vpc = ec2.Vpc(existing_vpcs[VPC_NAME].id)
print("Deleting VPC %s (%s) subresources:" % (VPC_NAME, vpc.id))
for subnet in vpc.subnets.all():
try:
sys.stdout.write("Deleting subnet %s ... " % subnet.id)
sys.stdout.write(response_type(subnet.delete()) + '\n')
except Exception as e:
sys.stdout.write('failed\n')
util.log_error(str(e) + '\n')
for gateway in vpc.internet_gateways.all():
sys.stdout.write("Deleting gateway %s ... " % gateway.id)
# note: if instances are using VPC, this fails with
# botocore.exceptions.ClientError: An error occurred (DependencyViolation) when calling the DetachInternetGateway operation: Network vpc-ca4abab3 has some mapped public address(es). Please unmap those public address(es) before detaching the gateway.
sys.stdout.write('detached ... ' if u.is_good_response(
gateway.detach_from_vpc(VpcId=vpc.id)) else ' detach_failed ')
sys.stdout.write('deleted ' if u.is_good_response(gateway.delete(
)) else ' delete_failed ')
sys.stdout.write('\n')
def desc():
return "%s (%s)" % (route_table.id, u.get_name(route_table.tags))
for route_table in vpc.route_tables.all():
sys.stdout.write(f"Deleting route table {desc()} ... ")
try:
sys.stdout.write(response_type(route_table.delete()) + '\n')
except Exception as e:
sys.stdout.write('failed\n')
util.log_error(str(e) + '\n')
def desc():
return "%s (%s, %s)" % (security_group.id,
u.get_name(security_group.tags),
security_group.group_name)
for security_group in vpc.security_groups.all():
# default group is undeletable, skip
if security_group.group_name == 'default':
continue
sys.stdout.write('Deleting security group %s ... ' % (desc()))
try:
sys.stdout.write(response_type(security_group.delete()) + '\n')
except Exception as e:
sys.stdout.write('failed\n')
util.log_error(str(e) + '\n')
sys.stdout.write("Deleting VPC %s ... " % vpc.id)
try:
sys.stdout.write(response_type(vpc.delete()) + '\n')
except Exception as e:
sys.stdout.write('failed\n')
util.log_error(str(e) + '\n')
def delete_keypair():
keypairs = u.get_keypair_dict()
keypair = keypairs.get(KEYPAIR_NAME, '')
if keypair:
try:
sys.stdout.write("Deleting keypair %s (%s) ... " %
(keypair.key_name, KEYPAIR_NAME))
sys.stdout.write(response_type(keypair.delete()) + '\n')
except Exception as e:
sys.stdout.write('failed\n')
util.log_error(str(e) + '\n')
keypair_fn = u.get_keypair_fn()
if os.path.exists(keypair_fn):
print("Deleting local keypair file %s" % (keypair_fn, ))
os.system('rm -f ' + keypair_fn)
def delete_efs():
efss = u.get_efs_dict()
efs_id = efss.get(EFS_NAME, '')
efs_client = u.get_efs_client()
if efs_id:
try:
# delete mount targets first
print("About to delete %s (%s)" % (efs_id, EFS_NAME))
response = efs_client.describe_mount_targets(FileSystemId=efs_id)
assert u.is_good_response(response)
for mount_response in response['MountTargets']:
id_ = mount_response['MountTargetId']
sys.stdout.write('Deleting mount target %s ... ' % (id_, ))
sys.stdout.flush()
response = efs_client.delete_mount_target(MountTargetId=id_)
print(response_type(response))
sys.stdout.write('Deleting EFS %s (%s)... ' % (efs_id, EFS_NAME))
sys.stdout.flush()
u.delete_efs_by_id(efs_id)
except Exception as e:
sys.stdout.write(f'failed with {e}\n')
util.log_error(str(e) + '\n')
def delete_vpc(vpc, partial=True):
"""Deletes VPC + all resources, if "partial" set to True, only deletes associated security groups
"""
print("Deleting VPC %s (%s) subresources:" % (VPC_NAME, vpc.id))
# don't modify default VPC
if not partial:
for subnet in vpc.subnets.all():
try:
sys.stdout.write("Deleting subnet %s ... " % subnet.id)
sys.stdout.write(response_type(subnet.delete()) + '\n')
except Exception as e:
sys.stdout.write('failed\n')
util.log_error(str(e) + '\n')
for gateway in vpc.internet_gateways.all():
sys.stdout.write("Deleting gateway %s ... " % gateway.id)
# note: if instances are using VPC, this fails with
# botocore.exceptions.ClientError: An error occurred (DependencyViolation) when calling the DetachInternetGateway operation: Network vpc-ca4abab3 has some mapped public address(es). Please unmap those public address(es) before detaching the gateway.
sys.stdout.write('detached ... ' if u.is_good_response(
gateway.detach_from_vpc(
VpcId=vpc.id)) else ' detach_failed ')
sys.stdout.write('deleted ' if u.is_good_response(
gateway.delete()) else ' delete_failed ')
sys.stdout.write('\n')
def desc():
return "%s (%s)" % (route_table.id, u.get_name(
route_table.tags))
for route_table in vpc.route_tables.all():
sys.stdout.write(f"Deleting route table {desc()} ... ")
try:
sys.stdout.write(
response_type(route_table.delete()) + '\n')
except Exception as e:
sys.stdout.write('failed\n')
util.log_error(str(e) + '\n')
else:
util.log(
f"vpc {vpc.id} is a default VPC, only doing partial deletion")
def desc():
return "%s (%s, %s)" % (security_group.id,
u.get_name(security_group.tags),
security_group.group_name)
ncluster_security_groups = u.get_security_group_names()
for security_group in vpc.security_groups.all():
# default group is undeletable, skip
if security_group.group_name == 'default':
continue
# don't delete groups created outside of ncluster framework
if security_group.group_name not in ncluster_security_groups:
continue
sys.stdout.write('Deleting security group %s ... ' % (desc()))
try:
sys.stdout.write(response_type(security_group.delete()) + '\n')
except Exception as e:
sys.stdout.write('failed\n')
util.log_error(str(e) + '\n')
if not partial:
sys.stdout.write("Deleting VPC %s ... " % vpc.id)
try:
sys.stdout.write(response_type(vpc.delete()) + '\n')
except Exception as e:
sys.stdout.write('failed\n')
util.log_error(str(e) + '\n')