298 lines
11 KiB
Python
298 lines
11 KiB
Python
#!/usr/bin/python
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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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import sys
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try:
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import ovh
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import ovh.exceptions
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from ovh.exceptions import APIError
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HAS_OVH = True
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except ImportError:
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HAS_OVH = False
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# import module snippets
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from ansible.module_utils.basic import *
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DOCUMENTATION = '''
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---
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module: ovh_ip_loadbalancing_backend
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short_description: Manage OVH IP LoadBalancing backends
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description:
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- Manage OVH (French European hosting provider) LoadBalancing IP backends
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version_added: "2.0"
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author: Pascal HERAUD @pascalheraud
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notes:
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- Uses the python OVH Api U(https://github.com/ovh/python-ovh). \
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You have to create an application (a key and secret) with a consummer \
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key as described into U(https://eu.api.ovh.com/g934.first_step_with_api)
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requirements:
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- ovh > 0.3.5
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options:
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name:
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required: true
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description:
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- Name of the LoadBalancing internal name (ip-X.X.X.X)
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backend:
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required: true
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description:
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- The IP address of the backend to update / modify / delete
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state:
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required: false
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default: present
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choices: ['present', 'absent']
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description:
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- Determines wether the backend is to be created/modified \
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or deleted
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probe:
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required: false
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default: none
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choices: ['none', 'http', 'icmp' , 'oco']
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description:
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- Determines the type of probe to use for this backend
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weight:
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required: false
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default: 8
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description:
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- Determines the weight for this backend
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endpoint:
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required: true
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description:
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- The endpoint to use ( for instance ovh-eu)
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application_key:
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required: true
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description:
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- The applicationKey to use
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application_secret:
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required: true
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description:
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- The application secret to use
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consumer_key:
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required: true
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description:
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- The consumer key to use
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timeout:
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required: false
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type: "int"
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default: 120
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description:
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- The timeout in seconds used to wait for a task to be \
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completed. Default is 120 seconds.
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'''
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EXAMPLES = '''
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# Adds or modify a backend to a loadbalancing
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- ovh_ip_loadbalancing name=ip-1.1.1.1 ip=212.1.1.1 state=present \
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probe=none weight=8 \
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endpoint=ovh-eu application_key=yourkey \
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application_secret=yoursecret consumer_key=yourconsumerkey
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# Removes a backend from a loadbalancing
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- ovh_ip_loadbalancing name=ip-1.1.1.1 ip=212.1.1.1 state=absent \
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endpoint=ovh-eu application_key=yourkey \
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application_secret=yoursecret consumer_key=yourconsumerkey
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'''
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def getOvhClient(ansibleModule):
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endpoint = ansibleModule.params.get('endpoint')
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application_key = ansibleModule.params.get('application_key')
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application_secret = ansibleModule.params.get('application_secret')
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consumer_key = ansibleModule.params.get('consumer_key')
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return ovh.Client(
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endpoint=endpoint,
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application_key=application_key,
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application_secret=application_secret,
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consumer_key=consumer_key
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)
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def waitForNoTask(client, name, timeout):
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currentTimeout = timeout
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while len(client.get('/ip/loadBalancing/{}/task'.format(name))) > 0:
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time.sleep(1) # Delay for 1 sec
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currentTimeout -= 1
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if currentTimeout < 0:
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return False
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return True
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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name=dict(required=True),
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backend=dict(required=True),
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weight=dict(default=8, type='int'),
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probe=dict(default='none',
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choices=['none', 'http', 'icmp', 'oco']),
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state=dict(default='present', choices=['present', 'absent']),
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endpoint=dict(required=True),
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application_key=dict(required=True, no_log=True),
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application_secret=dict(required=True, no_log=True),
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consumer_key=dict(required=True, no_log=True),
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timeout=dict(default=120, type='int')
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)
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)
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if not HAS_OVH:
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module.fail_json(msg='ovh-api python module\
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is required to run this module ')
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# Get parameters
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name = module.params.get('name')
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state = module.params.get('state')
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backend = module.params.get('backend')
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weight = long(module.params.get('weight'))
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probe = module.params.get('probe')
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timeout = module.params.get('timeout')
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# Connect to OVH API
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client = getOvhClient(module)
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# Check that the load balancing exists
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try:
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loadBalancings = client.get('/ip/loadBalancing')
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except APIError as apiError:
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module.fail_json(
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msg='Unable to call OVH api for getting the list of loadBalancing, \
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check application key, secret, consumerkey and parameters. \
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Error returned by OVH api was : {}'.format(apiError))
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if name not in loadBalancings:
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module.fail_json(msg='IP LoadBalancing {} does not exist'.format(name))
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# Check that no task is pending before going on
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try:
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if not waitForNoTask(client, name, timeout):
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module.fail_json(
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msg='Timeout of {} seconds while waiting for no pending \
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tasks before executing the module '.format(timeout))
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except APIError as apiError:
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module.fail_json(
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msg='Unable to call OVH api for getting the list of pending tasks \
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of the loadBalancing, check application key, secret, consumerkey \
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and parameters. Error returned by OVH api was : {}\
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'.format(apiError))
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try:
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backends = client.get('/ip/loadBalancing/{}/backend'.format(name))
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except APIError as apiError:
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module.fail_json(
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msg='Unable to call OVH api for getting the list of backends \
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of the loadBalancing, check application key, secret, consumerkey \
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and parameters. Error returned by OVH api was : {}\
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'.format(apiError))
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backendExists = backend in backends
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moduleChanged = False
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if state == "absent":
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if backendExists:
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# Remove backend
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try:
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client.delete(
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'/ip/loadBalancing/{}/backend/{}'.format(name, backend))
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if not waitForNoTask(client, name, timeout):
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module.fail_json(
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msg='Timeout of {} seconds while waiting for completion \
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of removing backend task'.format(timeout))
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except APIError as apiError:
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module.fail_json(
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msg='Unable to call OVH api for deleting the backend, \
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check application key, secret, consumerkey and \
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parameters. Error returned by OVH api was : {}\
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'.format(apiError))
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moduleChanged = True
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else:
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if backendExists:
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# Get properties
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try:
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backendProperties = client.get(
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'/ip/loadBalancing/{}/backend/{}'.format(name, backend))
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except APIError as apiError:
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module.fail_json(
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msg='Unable to call OVH api for getting the backend properties, \
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check application key, secret, consumerkey and \
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parameters. Error returned by OVH api was : {}\
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'.format(apiError))
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if (backendProperties['weight'] != weight):
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# Change weight
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try:
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client.post(
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'/ip/loadBalancing/{}/backend/{}/setWeight\
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'.format(name, backend), weight=weight)
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if not waitForNoTask(client, name, timeout):
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module.fail_json(
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msg='Timeout of {} seconds while waiting for completion \
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of setWeight to backend task'.format(timeout))
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except APIError as apiError:
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module.fail_json(
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msg='Unable to call OVH api for updating the weight of the \
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backend, check application key, secret, consumerkey \
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and parameters. Error returned by OVH api was : {}\
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'.format(apiError))
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moduleChanged = True
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if (backendProperties['probe'] != probe):
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# Change probe
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backendProperties['probe'] = probe
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try:
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client.put(
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'/ip/loadBalancing/{}/backend/{}\
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'.format(name, backend), probe=probe)
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if not waitForNoTask(client, name, timeout):
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module.fail_json(
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msg='Timeout of {} seconds while waiting for completion of \
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setProbe to backend task'.format(timeout))
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except APIError as apiError:
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module.fail_json(
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msg='Unable to call OVH api for updating the propbe of \
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the backend, check application key, secret, \
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consumerkey and parameters. Error returned by OVH api \
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was : {}\
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'.format(apiError))
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moduleChanged = True
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else:
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# Creates backend
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try:
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try:
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client.post('/ip/loadBalancing/{}/backend'.format(name),
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ipBackend=backend, probe=probe, weight=weight)
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except APIError as apiError:
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module.fail_json(
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msg='Unable to call OVH api for creating the backend, check \
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application key, secret, consumerkey and parameters. \
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Error returned by OVH api was : {}'.format(apiError))
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if not waitForNoTask(client, name, timeout):
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module.fail_json(
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msg='Timeout of {} seconds while waiting for completion of \
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backend creation task'.format(timeout))
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except APIError as apiError:
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module.fail_json(
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msg='Unable to call OVH api for creating the backend, check \
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application key, secret, consumerkey and parameters. \
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Error returned by OVH api was : {}'.format(apiError))
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moduleChanged = True
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module.exit_json(changed=moduleChanged)
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# We should never reach here
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module.fail_json(msg='Internal ovh_ip_loadbalancing_backend module error')
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if __name__ == '__main__':
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main()
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