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community.general/plugins/modules/cloud/cloudstack/cs_loadbalancer_rule.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# (c) 2015, Darren Worrall <darren@iweb.co.uk>
# (c) 2015, René Moser <mail@renemoser.net>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['stableinterface'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: cs_loadbalancer_rule
short_description: Manages load balancer rules on Apache CloudStack based clouds.
description:
- Add, update and remove load balancer rules.
author:
- Darren Worrall (@dazworrall)
- René Moser (@resmo)
options:
name:
description:
- The name of the load balancer rule.
type: str
required: true
description:
description:
- The description of the load balancer rule.
type: str
algorithm:
description:
- Load balancer algorithm
- Required when using I(state=present).
type: str
choices: [ source, roundrobin, leastconn ]
default: source
private_port:
description:
- The private port of the private ip address/virtual machine where the network traffic will be load balanced to.
- Required when using I(state=present).
- Can not be changed once the rule exists due API limitation.
type: int
public_port:
description:
- The public port from where the network traffic will be load balanced from.
- Required when using I(state=present).
- Can not be changed once the rule exists due API limitation.
type: int
required: true
ip_address:
description:
- Public IP address from where the network traffic will be load balanced from.
type: str
required: true
aliases: [ public_ip ]
open_firewall:
description:
- Whether the firewall rule for public port should be created, while creating the new rule.
- Use M(cs_firewall) for managing firewall rules.
type: bool
default: no
cidr:
description:
- CIDR (full notation) to be used for firewall rule if required.
type: str
protocol:
description:
- The protocol to be used on the load balancer
type: str
project:
description:
- Name of the project the load balancer IP address is related to.
type: str
state:
description:
- State of the rule.
type: str
default: present
choices: [ present, absent ]
domain:
description:
- Domain the rule is related to.
type: str
account:
description:
- Account the rule is related to.
type: str
zone:
description:
- Name of the zone in which the rule should be created.
- If not set, default zone is used.
type: str
poll_async:
description:
- Poll async jobs until job has finished.
type: bool
default: yes
tags:
description:
- List of tags. Tags are a list of dictionaries having keys I(key) and I(value).
- "To delete all tags, set a empty list e.g. I(tags: [])."
type: list
aliases: [ tag ]
network:
description:
- Name of the network.
type: str
vpc:
description:
- Name of the VPC.
type: str
extends_documentation_fragment:
- community.general.cloudstack
'''
EXAMPLES = '''
- name: Create a load balancer rule
cs_loadbalancer_rule:
name: balance_http
public_ip: 1.2.3.4
algorithm: leastconn
public_port: 80
private_port: 8080
delegate_to: localhost
- name: Update algorithm of an existing load balancer rule
cs_loadbalancer_rule:
name: balance_http
public_ip: 1.2.3.4
algorithm: roundrobin
public_port: 80
private_port: 8080
delegate_to: localhost
- name: Delete a load balancer rule
cs_loadbalancer_rule:
name: balance_http
public_ip: 1.2.3.4
state: absent
delegate_to: localhost
'''
RETURN = '''
---
id:
description: UUID of the rule.
returned: success
type: str
sample: a6f7a5fc-43f8-11e5-a151-feff819cdc9f
zone:
description: Name of zone the rule is related to.
returned: success
type: str
sample: ch-gva-2
project:
description: Name of project the rule is related to.
returned: success
type: str
sample: Production
account:
description: Account the rule is related to.
returned: success
type: str
sample: example account
domain:
description: Domain the rule is related to.
returned: success
type: str
sample: example domain
algorithm:
description: Load balancer algorithm used.
returned: success
type: str
sample: source
cidr:
description: CIDR to forward traffic from.
returned: success
type: str
sample: 0.0.0.0/0
name:
description: Name of the rule.
returned: success
type: str
sample: http-lb
description:
description: Description of the rule.
returned: success
type: str
sample: http load balancer rule
protocol:
description: Protocol of the rule.
returned: success
type: str
sample: tcp
public_port:
description: Public port.
returned: success
type: int
sample: 80
private_port:
description: Private IP address.
returned: success
type: int
sample: 80
public_ip:
description: Public IP address.
returned: success
type: str
sample: 1.2.3.4
tags:
description: List of resource tags associated with the rule.
returned: success
type: list
sample: '[ { "key": "foo", "value": "bar" } ]'
state:
description: State of the rule.
returned: success
type: str
sample: Add
'''
from ansible.module_utils.basic import AnsibleModule
from ansible_collections.community.general.plugins.module_utils.cloudstack import (
AnsibleCloudStack,
cs_argument_spec,
cs_required_together,
)
class AnsibleCloudStackLBRule(AnsibleCloudStack):
def __init__(self, module):
super(AnsibleCloudStackLBRule, self).__init__(module)
self.returns = {
'publicip': 'public_ip',
'algorithm': 'algorithm',
'cidrlist': 'cidr',
'protocol': 'protocol',
}
# these values will be casted to int
self.returns_to_int = {
'publicport': 'public_port',
'privateport': 'private_port',
}
def get_rule(self, **kwargs):
rules = self.query_api('listLoadBalancerRules', **kwargs)
if rules:
return rules['loadbalancerrule'][0]
def _get_common_args(self):
return {
'account': self.get_account(key='name'),
'domainid': self.get_domain(key='id'),
'projectid': self.get_project(key='id'),
'zoneid': self.get_zone(key='id') if self.module.params.get('zone') else None,
'publicipid': self.get_ip_address(key='id'),
'name': self.module.params.get('name'),
}
def present_lb_rule(self):
required_params = [
'algorithm',
'private_port',
'public_port',
]
self.module.fail_on_missing_params(required_params=required_params)
args = self._get_common_args()
rule = self.get_rule(**args)
if rule:
rule = self._update_lb_rule(rule)
else:
rule = self._create_lb_rule(rule)
if rule:
rule = self.ensure_tags(resource=rule, resource_type='LoadBalancer')
return rule
def _create_lb_rule(self, rule):
self.result['changed'] = True
if not self.module.check_mode:
args = self._get_common_args()
args.update({
'algorithm': self.module.params.get('algorithm'),
'privateport': self.module.params.get('private_port'),
'publicport': self.module.params.get('public_port'),
'cidrlist': self.module.params.get('cidr'),
'description': self.module.params.get('description'),
'protocol': self.module.params.get('protocol'),
'networkid': self.get_network(key='id'),
})
res = self.query_api('createLoadBalancerRule', **args)
poll_async = self.module.params.get('poll_async')
if poll_async:
rule = self.poll_job(res, 'loadbalancer')
return rule
def _update_lb_rule(self, rule):
args = {
'id': rule['id'],
'algorithm': self.module.params.get('algorithm'),
'description': self.module.params.get('description'),
}
if self.has_changed(args, rule):
self.result['changed'] = True
if not self.module.check_mode:
res = self.query_api('updateLoadBalancerRule', **args)
poll_async = self.module.params.get('poll_async')
if poll_async:
rule = self.poll_job(res, 'loadbalancer')
return rule
def absent_lb_rule(self):
args = self._get_common_args()
rule = self.get_rule(**args)
if rule:
self.result['changed'] = True
if rule and not self.module.check_mode:
res = self.query_api('deleteLoadBalancerRule', id=rule['id'])
poll_async = self.module.params.get('poll_async')
if poll_async:
self.poll_job(res, 'loadbalancer')
return rule
def main():
argument_spec = cs_argument_spec()
argument_spec.update(dict(
name=dict(required=True),
description=dict(),
algorithm=dict(choices=['source', 'roundrobin', 'leastconn'], default='source'),
private_port=dict(type='int'),
public_port=dict(type='int'),
protocol=dict(),
state=dict(choices=['present', 'absent'], default='present'),
ip_address=dict(required=True, aliases=['public_ip']),
cidr=dict(),
project=dict(),
open_firewall=dict(type='bool', default=False),
tags=dict(type='list', aliases=['tag']),
zone=dict(),
domain=dict(),
account=dict(),
vpc=dict(),
network=dict(),
poll_async=dict(type='bool', default=True),
))
module = AnsibleModule(
argument_spec=argument_spec,
required_together=cs_required_together(),
supports_check_mode=True
)
acs_lb_rule = AnsibleCloudStackLBRule(module)
state = module.params.get('state')
if state in ['absent']:
rule = acs_lb_rule.absent_lb_rule()
else:
rule = acs_lb_rule.present_lb_rule()
result = acs_lb_rule.get_result(rule)
module.exit_json(**result)
if __name__ == '__main__':
main()