diff --git a/cloud/openstack/quantum_subnet.py b/cloud/openstack/_quantum_subnet.py similarity index 100% rename from cloud/openstack/quantum_subnet.py rename to cloud/openstack/_quantum_subnet.py diff --git a/cloud/openstack/os_subnet.py b/cloud/openstack/os_subnet.py new file mode 100644 index 00000000000..e6f02816e1d --- /dev/null +++ b/cloud/openstack/os_subnet.py @@ -0,0 +1,252 @@ +#!/usr/bin/python +#coding: utf-8 -*- + +# (c) 2013, Benno Joy +# +# This module is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This software is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this software. If not, see . + +try: + import shade + HAS_SHADE = True +except ImportError: + HAS_SHADE = False + + +DOCUMENTATION = ''' +--- +module: os_subnet +short_description: Add/Remove subnet to an OpenStack network +extends_documentation_fragment: openstack +version_added: "1.10" +description: + - Add or Remove a subnet to an OpenStack network +options: + state: + description: + - Indicate desired state of the resource + choices: ['present', 'absent'] + default: present + network_name: + description: + - Name of the network to which the subnet should be attached + required: true when state is 'present' + name: + description: + - 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 + cidr: + description: + - 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 + required: false + default: 4 + enable_dhcp: + description: + - Whether DHCP should be enabled for this subnet. + required: false + default: true + gateway_ip: + description: + - The ip that would be assigned to the gateway for this subnet + required: false + default: None + dns_nameservers: + description: + - List of DNS nameservers for this subnet. + required: false + default: None + allocation_pool_start: + description: + - 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. + 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 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 +''' + + +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 _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(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, + 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) + 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: + 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: + cloud.delete_subnet(subnet_name) + module.exit_json(changed=True, result="deleted") + + except shade.OpenStackCloudException as e: + module.fail_json(msg=e.message) + + +# this is magic, see lib/ansible/module_common.py +from ansible.module_utils.basic import * +from ansible.module_utils.openstack import * +main()