Merge pull request #2749 from caphrim007/new-module-bigip-selfip
Adds the bigip_selfip module
This commit is contained in:
Peter Sprygada
GitHub
commit
3b8e4a0268
1 changed files with 449 additions and 0 deletions
449
network/f5/bigip_selfip.py
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449
network/f5/bigip_selfip.py
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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---
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module: bigip_selfip
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short_description: Manage Self-IPs on a BIG-IP system
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description:
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- Manage Self-IPs on a BIG-IP system
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version_added: "2.2"
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options:
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address:
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description:
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- The IP addresses for the new self IP. This value is ignored upon update
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as addresses themselves cannot be changed after they are created.
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name:
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description:
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- The self IP to create.
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required: true
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default: Value of C(address)
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netmask:
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description:
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- The netmasks for the self IP.
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required: true
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state:
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description:
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- The state of the variable on the system. When C(present), guarantees
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that the Self-IP exists with the provided attributes. When C(absent),
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removes the Self-IP from the system.
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required: false
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default: present
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choices:
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- absent
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- present
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traffic_group:
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description:
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- The traffic group for the self IP addresses in an active-active,
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redundant load balancer configuration.
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required: false
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vlan:
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description:
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- The VLAN that the new self IPs will be on.
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required: true
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notes:
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- Requires the f5-sdk Python package on the host. This is as easy as pip
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install f5-sdk.
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- Requires the netaddr Python package on the host.
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extends_documentation_fragment: f5
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requirements:
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- netaddr
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- f5-sdk
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author:
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- Tim Rupp (@caphrim007)
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'''
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EXAMPLES = '''
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- name: Create Self IP
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bigip_selfip:
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address: "10.10.10.10"
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name: "self1"
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netmask: "255.255.255.0"
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password: "secret"
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server: "lb.mydomain.com"
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user: "admin"
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validate_certs: "no"
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vlan: "vlan1"
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delegate_to: localhost
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- name: Delete Self IP
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bigip_selfip:
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name: "self1"
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password: "secret"
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server: "lb.mydomain.com"
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state: "absent"
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user: "admin"
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validate_certs: "no"
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delegate_to: localhost
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'''
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RETURN = '''
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address:
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description: The address for the Self IP
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returned: created
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type: string
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sample: "192.168.10.10"
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name:
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description: The name of the Self IP
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returned:
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- created
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- changed
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- deleted
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type: string
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sample: "self1"
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netmask:
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description: The netmask of the Self IP
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returned:
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- changed
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- created
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type: string
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sample: "255.255.255.0"
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traffic_group:
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description: The traffic group that the Self IP is a member of
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return:
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- changed
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- created
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type: string
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sample: "traffic-group-local-only"
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vlan:
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description: The VLAN set on the Self IP
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return:
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- changed
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- created
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type: string
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sample: "vlan1"
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'''
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try:
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from f5.bigip import ManagementRoot
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from icontrol.session import iControlUnexpectedHTTPError
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HAS_F5SDK = True
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except ImportError:
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HAS_F5SDK = False
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try:
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from netaddr import IPNetwork, AddrFormatError
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HAS_NETADDR = True
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except ImportError:
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HAS_NETADDR = False
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FLOAT = ['enabled', 'disabled']
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DEFAULT_TG = 'traffic-group-local-only'
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class BigIpSelfIp(object):
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def __init__(self, *args, **kwargs):
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if not HAS_F5SDK:
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raise F5ModuleError("The python f5-sdk module is required")
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# The params that change in the module
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self.cparams = dict()
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# Stores the params that are sent to the module
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self.params = kwargs
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self.api = ManagementRoot(kwargs['server'],
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kwargs['user'],
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kwargs['password'],
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port=kwargs['server_port'])
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def present(self):
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changed = False
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if self.exists():
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changed = self.update()
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else:
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changed = self.create()
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return changed
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def absent(self):
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changed = False
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if self.exists():
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changed = self.delete()
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return changed
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def read(self):
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"""Read information and transform it
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The values that are returned by BIG-IP in the f5-sdk can have encoding
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attached to them as well as be completely missing in some cases.
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Therefore, this method will transform the data from the BIG-IP into a
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format that is more easily consumable by the rest of the class and the
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parameters that are supported by the module.
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"""
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p = dict()
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name = self.params['name']
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partition = self.params['partition']
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r = self.api.tm.net.selfips.selfip.load(
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name=name,
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partition=partition
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)
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if hasattr(r, 'address'):
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ipnet = IPNetwork(r.address)
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p['address'] = str(ipnet.ip)
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if hasattr(r, 'address'):
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ipnet = IPNetwork(r.address)
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p['netmask'] = str(ipnet.netmask)
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if hasattr(r, 'trafficGroup'):
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p['traffic_group'] = str(r.trafficGroup)
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if hasattr(r, 'vlan'):
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p['vlan'] = str(r.vlan)
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p['name'] = name
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return p
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def update(self):
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changed = False
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params = dict()
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current = self.read()
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check_mode = self.params['check_mode']
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address = self.params['address']
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name = self.params['name']
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netmask = self.params['netmask']
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partition = self.params['partition']
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traffic_group = self.params['traffic_group']
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vlan = self.params['vlan']
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if address is not None and address != current['address']:
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raise F5ModuleError(
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'Self IP addresses cannot be updated'
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)
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if netmask is not None:
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# I ignore the address value here even if they provide it because
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# you are not allowed to change it.
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try:
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address = IPNetwork(current['address'])
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new_addr = "%s/%s" % (address.ip, netmask)
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nipnet = IPNetwork(new_addr)
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cur_addr = "%s/%s" % (current['address'], current['netmask'])
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cipnet = IPNetwork(cur_addr)
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if nipnet != cipnet:
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address = "%s/%s" % (nipnet.ip, nipnet.prefixlen)
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params['address'] = address
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except AddrFormatError:
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raise F5ModuleError(
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'The provided address/netmask value was invalid'
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)
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if traffic_group is not None:
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groups = self.api.tm.cm.traffic_groups.get_collection()
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params['trafficGroup'] = "/%s/%s" % (partition, traffic_group)
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if 'traffic_group' in current:
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if traffic_group != current['traffic_group']:
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params['trafficGroup'] = traffic_group
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else:
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params['trafficGroup'] = traffic_group
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if traffic_group not in groups:
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raise F5ModuleError(
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'The specified traffic group was not found'
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)
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if vlan is not None:
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vlans = self.get_vlans()
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vlan = "/%s/%s" % (partition, vlan)
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if 'vlan' in current:
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if vlan != current['vlan']:
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params['vlan'] = vlan
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else:
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params['vlan'] = vlan
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if vlan not in vlans:
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raise F5ModuleError(
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'The specified VLAN was not found'
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)
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if params:
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changed = True
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params['name'] = name
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params['partition'] = partition
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if check_mode:
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return changed
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self.cparams = camel_dict_to_snake_dict(params)
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else:
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return changed
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r = self.api.tm.net.selfips.selfip.load(
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name=name,
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partition=partition
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)
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r.update(**params)
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r.refresh()
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return True
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def get_vlans(self):
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partition = self.params['partition']
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vlans = self.api.tm.net.vlans.get_collection()
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return [str("/" + partition + "/" + x.name) for x in vlans]
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def create(self):
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params = dict()
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check_mode = self.params['check_mode']
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address = self.params['address']
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name = self.params['name']
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netmask = self.params['netmask']
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partition = self.params['partition']
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traffic_group = self.params['traffic_group']
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vlan = self.params['vlan']
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if address is None or netmask is None:
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raise F5ModuleError(
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'An address and a netmask must be specififed'
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)
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if vlan is None:
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raise F5ModuleError(
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'A VLAN name must be specified'
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)
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else:
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vlan = "/%s/%s" % (partition, vlan)
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try:
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ipin = "%s/%s" % (address, netmask)
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ipnet = IPNetwork(ipin)
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params['address'] = "%s/%s" % (ipnet.ip, ipnet.prefixlen)
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except AddrFormatError:
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raise F5ModuleError(
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'The provided address/netmask value was invalid'
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)
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if traffic_group is None:
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params['trafficGroup'] = "/%s/%s" % (partition, DEFAULT_TG)
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else:
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groups = self.api.tm.cm.traffic_groups.get_collection()
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if traffic_group in groups:
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params['trafficGroup'] = "/%s/%s" % (partition, traffic_group)
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else:
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raise F5ModuleError(
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'The specified traffic group was not found'
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)
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vlans = self.get_vlans()
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if vlan in vlans:
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params['vlan'] = vlan
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else:
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raise F5ModuleError(
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'The specified VLAN was not found'
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)
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params['name'] = name
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params['partition'] = partition
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self.cparams = camel_dict_to_snake_dict(params)
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if check_mode:
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return True
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d = self.api.tm.net.selfips.selfip
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d.create(**params)
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if self.exists():
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return True
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else:
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raise F5ModuleError("Failed to create the self IP")
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def delete(self):
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params = dict()
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check_mode = self.params['check_mode']
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params['name'] = self.params['name']
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params['partition'] = self.params['partition']
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self.cparams = camel_dict_to_snake_dict(params)
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if check_mode:
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return True
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dc = self.api.tm.net.selfips.selfip.load(**params)
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dc.delete()
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if self.exists():
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raise F5ModuleError("Failed to delete the self IP")
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return True
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def exists(self):
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name = self.params['name']
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partition = self.params['partition']
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return self.api.tm.net.selfips.selfip.exists(
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name=name,
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partition=partition
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)
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def flush(self):
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result = dict()
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state = self.params['state']
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try:
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if state == "present":
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changed = self.present()
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elif state == "absent":
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changed = self.absent()
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except iControlUnexpectedHTTPError as e:
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raise F5ModuleError(str(e))
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result.update(**self.cparams)
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result.update(dict(changed=changed))
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return result
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def main():
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argument_spec = f5_argument_spec()
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meta_args = dict(
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address=dict(required=False, default=None),
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name=dict(required=True),
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netmask=dict(required=False, default=None),
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traffic_group=dict(required=False, default=None),
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vlan=dict(required=False, default=None)
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)
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argument_spec.update(meta_args)
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module = AnsibleModule(
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argument_spec=argument_spec,
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supports_check_mode=True
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)
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try:
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if not HAS_NETADDR:
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raise F5ModuleError(
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"The netaddr python module is required."
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)
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obj = BigIpSelfIp(check_mode=module.check_mode, **module.params)
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result = obj.flush()
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module.exit_json(**result)
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except F5ModuleError as e:
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module.fail_json(msg=str(e))
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from ansible.module_utils.basic import *
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from ansible.module_utils.ec2 import camel_dict_to_snake_dict
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from ansible.module_utils.f5 import *
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if __name__ == '__main__':
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main()
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