Update os_subnet module for latest shade
Shade can now handle creating, updating and deleting subnets. This cleans up the module to take advantage of that.
This commit is contained in:
David Shrewsbury
parent
b854a28dfb
commit
c241296a20
1 changed files with 147 additions and 108 deletions
|
|
@ -40,18 +40,18 @@ options:
|
|||
network_name:
|
||||
description:
|
||||
- Name of the network to which the subnet should be attached
|
||||
required: true
|
||||
default: None
|
||||
required: true when state is 'present'
|
||||
name:
|
||||
description:
|
||||
- The name of the subnet that should be created
|
||||
- The name of the subnet that should be created. Although Neutron
|
||||
allows for non-unique subnet names, this module enforces subnet
|
||||
name uniqueness.
|
||||
required: true
|
||||
default: None
|
||||
cidr:
|
||||
description:
|
||||
- The CIDR representation of the subnet that should be assigned to the subnet
|
||||
required: true
|
||||
default: None
|
||||
- The CIDR representation of the subnet that should be assigned to
|
||||
the subnet.
|
||||
required: true when state is 'present'
|
||||
ip_version:
|
||||
description:
|
||||
- The IP version of the subnet 4 or 6
|
||||
|
|
@ -69,139 +69,179 @@ options:
|
|||
default: None
|
||||
dns_nameservers:
|
||||
description:
|
||||
- DNS nameservers for this subnet, comma-separated
|
||||
- List of DNS nameservers for this subnet.
|
||||
required: false
|
||||
default: None
|
||||
version_added: "1.4"
|
||||
allocation_pool_start:
|
||||
description:
|
||||
- From the subnet pool the starting address from which the IP should be allocated
|
||||
- From the subnet pool the starting address from which the IP should
|
||||
be allocated.
|
||||
required: false
|
||||
default: None
|
||||
allocation_pool_end:
|
||||
description:
|
||||
- From the subnet pool the last IP that should be assigned to the virtual machines
|
||||
- From the subnet pool the last IP that should be assigned to the
|
||||
virtual machines.
|
||||
required: false
|
||||
default: None
|
||||
host_routes:
|
||||
description:
|
||||
- A list of host route dictionaries for the subnet.
|
||||
required: false
|
||||
default: None
|
||||
requirements: ["shade"]
|
||||
'''
|
||||
|
||||
EXAMPLES = '''
|
||||
# Create a subnet with the specified network
|
||||
- os_subnet: state=present username=admin password=admin
|
||||
project_name=admin
|
||||
network_name=network1 name=net1subnet cidr=192.168.0.0/24"
|
||||
# Create a new (or update an existing) subnet on the specified network
|
||||
- os_subnet:
|
||||
state=present
|
||||
network_name=network1
|
||||
name=net1subnet
|
||||
cidr=192.168.0.0/24
|
||||
dns_nameservers:
|
||||
- 8.8.8.7
|
||||
- 8.8.8.8
|
||||
host_routes:
|
||||
- destination: 0.0.0.0/0
|
||||
nexthop: 123.456.78.9
|
||||
- destination: 192.168.0.0/24
|
||||
nexthop: 192.168.0.1
|
||||
|
||||
# Delete a subnet
|
||||
- os_subnet:
|
||||
state=absent
|
||||
name=net1subnet
|
||||
'''
|
||||
|
||||
_os_network_id = None
|
||||
|
||||
def _get_net_id(neutron, module):
|
||||
kwargs = {
|
||||
'name': module.params['network_name'],
|
||||
}
|
||||
try:
|
||||
networks = neutron.list_networks(**kwargs)
|
||||
except Exception, e:
|
||||
module.fail_json("Error in listing neutron networks: %s" % e.message)
|
||||
if not networks['networks']:
|
||||
return None
|
||||
return networks['networks'][0]['id']
|
||||
def _needs_update(subnet, module):
|
||||
"""Check for differences in the updatable values."""
|
||||
enable_dhcp = module.params['enable_dhcp']
|
||||
subnet_name = module.params['name']
|
||||
pool_start = module.params['allocation_pool_start']
|
||||
pool_end = module.params['allocation_pool_end']
|
||||
gateway_ip = module.params['gateway_ip']
|
||||
dns = module.params['dns_nameservers']
|
||||
host_routes = module.params['host_routes']
|
||||
curr_pool = subnet['allocation_pools'][0]
|
||||
|
||||
if subnet['enable_dhcp'] != enable_dhcp:
|
||||
return True
|
||||
if subnet_name and subnet['name'] != subnet_name:
|
||||
return True
|
||||
if pool_start and curr_pool['start'] != pool_start:
|
||||
return True
|
||||
if pool_end and curr_pool['end'] != pool_end:
|
||||
return True
|
||||
if gateway_ip and subnet['gateway_ip'] != gateway_ip:
|
||||
return True
|
||||
if dns and sorted(subnet['dns_nameservers']) != sorted(dns):
|
||||
return True
|
||||
if host_routes:
|
||||
curr_hr = sorted(subnet['host_routes'], key=lambda t: t.keys())
|
||||
new_hr = sorted(host_routes, key=lambda t: t.keys())
|
||||
if sorted(curr_hr) != sorted(new_hr):
|
||||
return True
|
||||
return False
|
||||
|
||||
|
||||
def _get_subnet_id(module, neutron):
|
||||
global _os_network_id
|
||||
subnet_id = None
|
||||
_os_network_id = _get_net_id(neutron, module)
|
||||
if not _os_network_id:
|
||||
module.fail_json(msg = "network id of network not found.")
|
||||
else:
|
||||
kwargs = {
|
||||
'name': module.params['name'],
|
||||
}
|
||||
try:
|
||||
subnets = neutron.list_subnets(**kwargs)
|
||||
except Exception, e:
|
||||
module.fail_json( msg = " Error in getting the subnet list:%s " % e.message)
|
||||
if not subnets['subnets']:
|
||||
return None
|
||||
return subnets['subnets'][0]['id']
|
||||
|
||||
def _create_subnet(module, neutron):
|
||||
neutron.format = 'json'
|
||||
subnet = {
|
||||
'name': module.params['name'],
|
||||
'ip_version': module.params['ip_version'],
|
||||
'enable_dhcp': module.params['enable_dhcp'],
|
||||
'gateway_ip': module.params['gateway_ip'],
|
||||
'dns_nameservers': module.params['dns_nameservers'],
|
||||
'network_id': _os_network_id,
|
||||
'cidr': module.params['cidr'],
|
||||
}
|
||||
if module.params['allocation_pool_start'] and module.params['allocation_pool_end']:
|
||||
allocation_pools = [
|
||||
{
|
||||
'start' : module.params['allocation_pool_start'],
|
||||
'end' : module.params['allocation_pool_end']
|
||||
}
|
||||
]
|
||||
subnet.update({'allocation_pools': allocation_pools})
|
||||
if not module.params['gateway_ip']:
|
||||
subnet.pop('gateway_ip')
|
||||
if module.params['dns_nameservers']:
|
||||
subnet['dns_nameservers'] = module.params['dns_nameservers'].split(',')
|
||||
else:
|
||||
subnet.pop('dns_nameservers')
|
||||
try:
|
||||
new_subnet = neutron.create_subnet(dict(subnet=subnet))
|
||||
except Exception, e:
|
||||
module.fail_json(msg = "Failure in creating subnet: %s" % e.message)
|
||||
return new_subnet['subnet']['id']
|
||||
|
||||
|
||||
def _delete_subnet(module, neutron, subnet_id):
|
||||
try:
|
||||
neutron.delete_subnet(subnet_id)
|
||||
except Exception, e:
|
||||
module.fail_json( msg = "Error in deleting subnet: %s" % e.message)
|
||||
return True
|
||||
def _system_state_change(module, subnet):
|
||||
state = module.params['state']
|
||||
if state == 'present':
|
||||
if not subnet:
|
||||
return True
|
||||
return _needs_update(subnet, module)
|
||||
if state == 'absent' and subnet:
|
||||
return True
|
||||
return False
|
||||
|
||||
|
||||
def main():
|
||||
|
||||
argument_spec = openstack_full_argument_spec(
|
||||
name = dict(required=True),
|
||||
network_name = dict(required=True),
|
||||
cidr = dict(required=True),
|
||||
ip_version = dict(default='4', choices=['4', '6']),
|
||||
enable_dhcp = dict(default='true', type='bool'),
|
||||
gateway_ip = dict(default=None),
|
||||
dns_nameservers = dict(default=None),
|
||||
allocation_pool_start = dict(default=None),
|
||||
allocation_pool_end = dict(default=None),
|
||||
name=dict(required=True),
|
||||
network_name=dict(default=None),
|
||||
cidr=dict(default=None),
|
||||
ip_version=dict(default='4', choices=['4', '6']),
|
||||
enable_dhcp=dict(default='true', type='bool'),
|
||||
gateway_ip=dict(default=None),
|
||||
dns_nameservers=dict(default=None, type='list'),
|
||||
allocation_pool_start=dict(default=None),
|
||||
allocation_pool_end=dict(default=None),
|
||||
host_routes=dict(default=None, type='list'),
|
||||
)
|
||||
|
||||
module_kwargs = openstack_module_kwargs()
|
||||
module = AnsibleModule(argument_spec, **module_kwargs)
|
||||
module = AnsibleModule(argument_spec,
|
||||
supports_check_mode=True,
|
||||
**module_kwargs)
|
||||
|
||||
if not HAS_SHADE:
|
||||
module.fail_json(msg='shade is required for this module')
|
||||
|
||||
state = module.params['state']
|
||||
network_name = module.params['network_name']
|
||||
cidr = module.params['cidr']
|
||||
ip_version = module.params['ip_version']
|
||||
enable_dhcp = module.params['enable_dhcp']
|
||||
subnet_name = module.params['name']
|
||||
gateway_ip = module.params['gateway_ip']
|
||||
dns = module.params['dns_nameservers']
|
||||
pool_start = module.params['allocation_pool_start']
|
||||
pool_end = module.params['allocation_pool_end']
|
||||
host_routes = module.params['host_routes']
|
||||
|
||||
# Check for required parameters when state == 'present'
|
||||
if state == 'present':
|
||||
for p in ['network_name', 'cidr']:
|
||||
if not module.params[p]:
|
||||
module.fail_json(msg='%s required with present state' % p)
|
||||
|
||||
if pool_start and pool_end:
|
||||
pool = [dict(start=pool_start, end=pool_end)]
|
||||
elif pool_start or pool_end:
|
||||
module.fail_json(msg='allocation pool requires start and end values')
|
||||
else:
|
||||
pool = None
|
||||
|
||||
try:
|
||||
cloud = shade.openstack_cloud(**module.params)
|
||||
neutron = cloud.neutron_client
|
||||
if module.params['state'] == 'present':
|
||||
subnet_id = _get_subnet_id(module, neutron)
|
||||
if not subnet_id:
|
||||
subnet_id = _create_subnet(module, neutron)
|
||||
module.exit_json(changed = True, result = "Created" , id = subnet_id)
|
||||
subnet = cloud.get_subnet(subnet_name)
|
||||
|
||||
if module.check_mode:
|
||||
module.exit_json(changed=_system_state_change(module, subnet))
|
||||
|
||||
if state == 'present':
|
||||
if not subnet:
|
||||
subnet = cloud.create_subnet(network_name, cidr,
|
||||
ip_version=ip_version,
|
||||
enable_dhcp=enable_dhcp,
|
||||
subnet_name=subnet_name,
|
||||
gateway_ip=gateway_ip,
|
||||
dns_nameservers=dns,
|
||||
allocation_pools=pool,
|
||||
host_routes=host_routes)
|
||||
module.exit_json(changed=True, result="created")
|
||||
else:
|
||||
module.exit_json(changed = False, result = "success" , id = subnet_id)
|
||||
else:
|
||||
subnet_id = _get_subnet_id(module, neutron)
|
||||
if not subnet_id:
|
||||
module.exit_json(changed = False, result = "success")
|
||||
if _needs_update(subnet, module):
|
||||
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)
|
||||
module.exit_json(changed=True, result="updated")
|
||||
else:
|
||||
module.exit_json(changed=False, result="success")
|
||||
|
||||
elif state == 'absent':
|
||||
if not subnet:
|
||||
module.exit_json(changed=False, result="success")
|
||||
else:
|
||||
_delete_subnet(module, neutron, subnet_id)
|
||||
module.exit_json(changed = True, result = "deleted")
|
||||
cloud.delete_subnet(subnet_name)
|
||||
module.exit_json(changed=True, result="deleted")
|
||||
|
||||
except shade.OpenStackCloudException as e:
|
||||
module.fail_json(msg=e.message)
|
||||
|
||||
|
|
@ -210,4 +250,3 @@ def main():
|
|||
from ansible.module_utils.basic import *
|
||||
from ansible.module_utils.openstack import *
|
||||
main()
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue