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community.general/lib/ansible/modules/cloud/cloudstack/cs_firewall.py
Toshio Kuratomi f203ca7907 Update metadata to 1.1
2017-08-15 23:12:08 -07:00

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Python
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# (c) 2015, René Moser <mail@renemoser.net>
#
# This file is part of Ansible
#
# Ansible 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.
#
# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['stableinterface'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: cs_firewall
short_description: Manages firewall rules on Apache CloudStack based clouds.
description:
- Creates and removes firewall rules.
version_added: '2.0'
author: "René Moser (@resmo)"
options:
ip_address:
description:
- Public IP address the ingress rule is assigned to.
- Required if C(type=ingress).
required: false
default: null
network:
description:
- Network the egress rule is related to.
- Required if C(type=egress).
required: false
default: null
state:
description:
- State of the firewall rule.
required: false
default: 'present'
choices: [ 'present', 'absent' ]
type:
description:
- Type of the firewall rule.
required: false
default: 'ingress'
choices: [ 'ingress', 'egress' ]
protocol:
description:
- Protocol of the firewall rule.
- C(all) is only available if C(type=egress)
required: false
default: 'tcp'
choices: [ 'tcp', 'udp', 'icmp', 'all' ]
cidr:
description:
- CIDR (full notation) to be used for firewall rule.
required: false
default: '0.0.0.0/0'
start_port:
description:
- Start port for this rule. Considered if C(protocol=tcp) or C(protocol=udp).
required: false
default: null
aliases: [ 'port' ]
end_port:
description:
- End port for this rule. Considered if C(protocol=tcp) or C(protocol=udp). If not specified, equal C(start_port).
required: false
default: null
icmp_type:
description:
- Type of the icmp message being sent. Considered if C(protocol=icmp).
required: false
default: null
icmp_code:
description:
- Error code for this icmp message. Considered if C(protocol=icmp).
required: false
default: null
domain:
description:
- Domain the firewall rule is related to.
required: false
default: null
account:
description:
- Account the firewall rule is related to.
required: false
default: null
project:
description:
- Name of the project the firewall rule is related to.
required: false
default: null
zone:
description:
- Name of the zone in which the virtual machine is in.
- If not set, default zone is used.
required: false
default: null
poll_async:
description:
- Poll async jobs until job has finished.
required: false
default: true
tags:
description:
- List of tags. Tags are a list of dictionaries having keys C(key) and C(value).
- "To delete all tags, set a empty list e.g. C(tags: [])."
required: false
default: null
aliases: [ 'tag' ]
version_added: "2.4"
extends_documentation_fragment: cloudstack
'''
EXAMPLES = '''
# Allow inbound port 80/tcp from 1.2.3.4 to 4.3.2.1
- local_action:
module: cs_firewall
ip_address: 4.3.2.1
port: 80
cidr: 1.2.3.4/32
# Allow inbound tcp/udp port 53 to 4.3.2.1
- local_action:
module: cs_firewall
ip_address: 4.3.2.1
port: 53
protocol: '{{ item }}'
with_items:
- tcp
- udp
# Ensure firewall rule is removed
- local_action:
module: cs_firewall
ip_address: 4.3.2.1
start_port: 8000
end_port: 8888
cidr: 17.0.0.0/8
state: absent
# Allow all outbound traffic
- local_action:
module: cs_firewall
network: my_network
type: egress
protocol: all
# Allow only HTTP outbound traffic for an IP
- local_action:
module: cs_firewall
network: my_network
type: egress
port: 80
cidr: 10.101.1.20
'''
RETURN = '''
---
id:
description: UUID of the rule.
returned: success
type: string
sample: 04589590-ac63-4ffc-93f5-b698b8ac38b6
ip_address:
description: IP address of the rule if C(type=ingress)
returned: success
type: string
sample: 10.100.212.10
type:
description: Type of the rule.
returned: success
type: string
sample: ingress
cidr:
description: CIDR of the rule.
returned: success
type: string
sample: 0.0.0.0/0
protocol:
description: Protocol of the rule.
returned: success
type: string
sample: tcp
start_port:
description: Start port of the rule.
returned: success
type: int
sample: 80
end_port:
description: End port of the rule.
returned: success
type: int
sample: 80
icmp_code:
description: ICMP code of the rule.
returned: success
type: int
sample: 1
icmp_type:
description: ICMP type of the rule.
returned: success
type: int
sample: 1
network:
description: Name of the network if C(type=egress)
returned: success
type: string
sample: my_network
'''
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.cloudstack import (
AnsibleCloudStack,
cs_argument_spec,
cs_required_together
)
class AnsibleCloudStackFirewall(AnsibleCloudStack):
def __init__(self, module):
super(AnsibleCloudStackFirewall, self).__init__(module)
self.returns = {
'cidrlist': 'cidr',
'startport': 'start_port',
'endport': 'end_port',
'protocol': 'protocol',
'ipaddress': 'ip_address',
'icmpcode': 'icmp_code',
'icmptype': 'icmp_type',
}
self.firewall_rule = None
self.network = None
def get_firewall_rule(self):
if not self.firewall_rule:
cidr = self.module.params.get('cidr')
protocol = self.module.params.get('protocol')
start_port = self.module.params.get('start_port')
end_port = self.get_or_fallback('end_port', 'start_port')
icmp_code = self.module.params.get('icmp_code')
icmp_type = self.module.params.get('icmp_type')
fw_type = self.module.params.get('type')
if protocol in ['tcp', 'udp'] and not (start_port and end_port):
self.module.fail_json(msg="missing required argument for protocol '%s': start_port or end_port" % protocol)
if protocol == 'icmp' and not icmp_type:
self.module.fail_json(msg="missing required argument for protocol 'icmp': icmp_type")
if protocol == 'all' and fw_type != 'egress':
self.module.fail_json(msg="protocol 'all' could only be used for type 'egress'")
args = {
'account': self.get_account('name'),
'domainid': self.get_domain('id'),
'projectid': self.get_project('id')
}
if fw_type == 'egress':
args['networkid'] = self.get_network(key='id')
if not args['networkid']:
self.module.fail_json(msg="missing required argument for type egress: network")
firewall_rules = self.query_api('listEgressFirewallRules', **args)
else:
args['ipaddressid'] = self.get_ip_address('id')
if not args['ipaddressid']:
self.module.fail_json(msg="missing required argument for type ingress: ip_address")
firewall_rules = self.query_api('listFirewallRules', **args)
if firewall_rules and 'firewallrule' in firewall_rules:
for rule in firewall_rules['firewallrule']:
type_match = self._type_cidr_match(rule, cidr)
protocol_match = (
self._tcp_udp_match(rule, protocol, start_port, end_port) or
self._icmp_match(rule, protocol, icmp_code, icmp_type) or
self._egress_all_match(rule, protocol, fw_type)
)
if type_match and protocol_match:
self.firewall_rule = rule
break
return self.firewall_rule
def _tcp_udp_match(self, rule, protocol, start_port, end_port):
return (
protocol in ['tcp', 'udp'] and
protocol == rule['protocol'] and
start_port == int(rule['startport']) and
end_port == int(rule['endport'])
)
def _egress_all_match(self, rule, protocol, fw_type):
return (
protocol in ['all'] and
protocol == rule['protocol'] and
fw_type == 'egress'
)
def _icmp_match(self, rule, protocol, icmp_code, icmp_type):
return (
protocol == 'icmp' and
protocol == rule['protocol'] and
icmp_code == rule['icmpcode'] and
icmp_type == rule['icmptype']
)
def _type_cidr_match(self, rule, cidr):
return cidr == rule['cidrlist']
def create_firewall_rule(self):
firewall_rule = self.get_firewall_rule()
if not firewall_rule:
self.result['changed'] = True
args = {
'cidrlist': self.module.params.get('cidr'),
'protocol': self.module.params.get('protocol'),
'startport': self.module.params.get('start_port'),
'endport': self.get_or_fallback('end_port', 'start_port'),
'icmptype': self.module.params.get('icmp_type'),
'icmpcode': self.module.params.get('icmp_code')
}
fw_type = self.module.params.get('type')
if not self.module.check_mode:
if fw_type == 'egress':
args['networkid'] = self.get_network(key='id')
res = self.query_api('createEgressFirewallRule', **args)
else:
args['ipaddressid'] = self.get_ip_address('id')
res = self.query_api('createFirewallRule', **args)
poll_async = self.module.params.get('poll_async')
if poll_async:
firewall_rule = self.poll_job(res, 'firewallrule')
if firewall_rule:
firewall_rule = self.ensure_tags(resource=firewall_rule, resource_type='Firewallrule')
self.firewall_rule = firewall_rule
return firewall_rule
def remove_firewall_rule(self):
firewall_rule = self.get_firewall_rule()
if firewall_rule:
self.result['changed'] = True
args = {
'id': firewall_rule['id']
}
fw_type = self.module.params.get('type')
if not self.module.check_mode:
if fw_type == 'egress':
res = self.query_api('deleteEgressFirewallRule', **args)
else:
res = self.query_api('deleteFirewallRule', **args)
poll_async = self.module.params.get('poll_async')
if poll_async:
self.poll_job(res, 'firewallrule')
return firewall_rule
def get_result(self, firewall_rule):
super(AnsibleCloudStackFirewall, self).get_result(firewall_rule)
if firewall_rule:
self.result['type'] = self.module.params.get('type')
if self.result['type'] == 'egress':
self.result['network'] = self.get_network(key='displaytext')
return self.result
def main():
argument_spec = cs_argument_spec()
argument_spec.update(dict(
ip_address=dict(),
network=dict(),
cidr=dict(default='0.0.0.0/0'),
protocol=dict(choices=['tcp', 'udp', 'icmp', 'all'], default='tcp'),
type=dict(choices=['ingress', 'egress'], default='ingress'),
icmp_type=dict(type='int'),
icmp_code=dict(type='int'),
start_port=dict(type='int', aliases=['port']),
end_port=dict(type='int'),
state=dict(choices=['present', 'absent'], default='present'),
zone=dict(),
domain=dict(),
account=dict(),
project=dict(),
poll_async=dict(type='bool', default=True),
tags=dict(type='list', aliases=['tag'], default=None),
))
required_together = cs_required_together()
required_together.extend([
['icmp_type', 'icmp_code'],
])
module = AnsibleModule(
argument_spec=argument_spec,
required_together=required_together,
required_one_of=(
['ip_address', 'network'],
),
mutually_exclusive=(
['icmp_type', 'start_port'],
['icmp_type', 'end_port'],
['ip_address', 'network'],
),
supports_check_mode=True
)
acs_fw = AnsibleCloudStackFirewall(module)
state = module.params.get('state')
if state in ['absent']:
fw_rule = acs_fw.remove_firewall_rule()
else:
fw_rule = acs_fw.create_firewall_rule()
result = acs_fw.get_result(fw_rule)
module.exit_json(**result)
if __name__ == '__main__':
main()
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