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Merge pull request #1818 from j2sol/no_ipv6_update_subnet

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Handle non-updatable openstack subnet details
This commit is contained in:
Brian Coca 2015-07-28 15:00:30 -04:00
commit c579f53a15
1 changed files with 36 additions and 8 deletions
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44
cloud/openstack/os_subnet.py
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@ -144,9 +144,38 @@ EXAMPLES = '''
ipv6_address_mode: dhcpv6-stateless
'''
def _can_update(subnet, module, cloud):
"""Check for differences in non-updatable values"""
network_name = module.params['network_name']
cidr = module.params['cidr']
ip_version = int(module.params['ip_version'])
ipv6_ra_mode = module.params['ipv6_ra_mode']
ipv6_a_mode = module.params['ipv6_address_mode']
def _needs_update(subnet, module):
if network_name:
network = cloud.get_network(network_name)
if network:
netid = network['id']
else:
module.fail_json(msg='No network found for %s' % network_name)
if netid != subnet['network_id']:
module.fail_json(msg='Cannot update network_name in existing \
subnet')
if ip_version and subnet['ip_version'] != ip_version:
module.fail_json(msg='Cannot update ip_version in existing subnet')
if ipv6_ra_mode and subnet.get('ipv6_ra_mode', None) != ip_version:
module.fail_json(msg='Cannot update ipv6_ra_mode in existing subnet')
if ipv6_a_mode and subnet.get('ipv6_address_mode', None) != ipv6_a_mode:
module.fail_json(msg='Cannot update ipv6_address_mode in existing \
subnet')
def _needs_update(subnet, module, cloud):
"""Check for differences in the updatable values."""
# First check if we are trying to update something we're not allowed to
_can_update(subnet, module, cloud)
# now check for the things we are allowed to update
enable_dhcp = module.params['enable_dhcp']
subnet_name = module.params['name']
pool_start = module.params['allocation_pool_start']
@ -176,12 +205,12 @@ def _needs_update(subnet, module):
return False
def _system_state_change(module, subnet):
def _system_state_change(module, subnet, cloud):
state = module.params['state']
if state == 'present':
if not subnet:
return True
return _needs_update(subnet, module)
return _needs_update(subnet, module, cloud)
if state == 'absent' and subnet:
return True
return False
@ -245,7 +274,8 @@ def main():
subnet = cloud.get_subnet(subnet_name)
if module.check_mode:
module.exit_json(changed=_system_state_change(module, subnet))
module.exit_json(changed=_system_state_change(module, subnet,
cloud))
if state == 'present':
if not subnet:
@ -261,16 +291,14 @@ def main():
ipv6_address_mode=ipv6_a_mode)
changed = True
else:
if _needs_update(subnet, module):
if _needs_update(subnet, module, cloud):
cloud.update_subnet(subnet['id'],
subnet_name=subnet_name,
enable_dhcp=enable_dhcp,
gateway_ip=gateway_ip,
dns_nameservers=dns,
allocation_pools=pool,
host_routes=host_routes,
ipv6_ra_mode=ipv6_ra_mode,
ipv6_address_mode=ipv6_a_mode)
host_routes=host_routes)
changed = True
else:
changed = False