mirror of
https://github.com/ansible-collections/community.general.git
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249 lines
8.2 KiB
Python
249 lines
8.2 KiB
Python
#!/usr/bin/python
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# Copyright (c) 2015 VMware, Inc. All Rights Reserved.
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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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ANSIBLE_METADATA = {'status': ['preview'],
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'supported_by': 'community',
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'version': '1.0'}
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DOCUMENTATION = '''
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---
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module: vca_fw
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short_description: add remove firewall rules in a gateway in a vca
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description:
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- Adds or removes firewall rules from a gateway in a vca environment
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version_added: "2.0"
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author: Peter Sprygada (@privateip)
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options:
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fw_rules:
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description:
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- A list of firewall rules to be added to the gateway, Please see examples on valid entries
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required: True
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default: false
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extends_documentation_fragment: vca.documentation
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'''
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EXAMPLES = '''
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#Add a set of firewall rules
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- hosts: localhost
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connection: local
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tasks:
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- vca_fw:
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instance_id: 'b15ff1e5-1024-4f55-889f-ea0209726282'
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vdc_name: 'benz_ansible'
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state: 'absent'
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fw_rules:
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- description: "ben testing"
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source_ip: "Any"
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dest_ip: 192.0.2.23
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- description: "ben testing 2"
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source_ip: 192.0.2.50
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source_port: "Any"
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dest_port: "22"
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dest_ip: 192.0.2.101
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is_enable: "true"
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enable_logging: "false"
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protocol: "Tcp"
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policy: "allow"
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'''
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try:
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from pyvcloud.schema.vcd.v1_5.schemas.vcloud.networkType import FirewallRuleType
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from pyvcloud.schema.vcd.v1_5.schemas.vcloud.networkType import ProtocolsType
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except ImportError:
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# normally set a flag here but it will be caught when testing for
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# the existence of pyvcloud (see module_utils/vca.py). This just
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# protects against generating an exception at runtime
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pass
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VALID_PROTO = ['Tcp', 'Udp', 'Icmp', 'Other', 'Any']
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VALID_RULE_KEYS = ['policy', 'is_enable', 'enable_logging', 'description',
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'dest_ip', 'dest_port', 'source_ip', 'source_port',
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'protocol']
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def protocol_to_tuple(protocol):
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return (protocol.get_Tcp(),
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protocol.get_Udp(),
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protocol.get_Icmp(),
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protocol.get_Other(),
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protocol.get_Any())
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def protocol_to_string(protocol):
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protocol = protocol_to_tuple(protocol)
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if protocol[0] is True:
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return 'Tcp'
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elif protocol[1] is True:
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return 'Udp'
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elif protocol[2] is True:
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return 'Icmp'
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elif protocol[3] is True:
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return 'Other'
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elif protocol[4] is True:
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return 'Any'
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def protocol_to_type(protocol):
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try:
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protocols = ProtocolsType()
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setattr(protocols, protocol, True)
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return protocols
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except AttributeError:
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raise VcaError("The value in protocol is not valid")
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def validate_fw_rules(fw_rules):
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for rule in fw_rules:
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for k in rule.keys():
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if k not in VALID_RULE_KEYS:
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raise VcaError("%s is not a valid key in fw rules, please "
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"check above.." % k, valid_keys=VALID_RULE_KEYS)
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rule['dest_port'] = str(rule.get('dest_port', 'Any')).lower()
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rule['dest_ip'] = rule.get('dest_ip', 'Any').lower()
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rule['source_port'] = str(rule.get('source_port', 'Any')).lower()
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rule['source_ip'] = rule.get('source_ip', 'Any').lower()
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rule['protocol'] = rule.get('protocol', 'Any').lower()
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rule['policy'] = rule.get('policy', 'allow').lower()
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rule['is_enable'] = rule.get('is_enable', True)
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rule['enable_logging'] = rule.get('enable_logging', False)
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rule['description'] = rule.get('description', 'rule added by Ansible')
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return fw_rules
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def fw_rules_to_dict(rules):
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fw_rules = list()
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for rule in rules:
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fw_rules.append(
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dict(
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dest_port=rule.get_DestinationPortRange().lower(),
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dest_ip=rule.get_DestinationIp().lower().lower(),
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source_port=rule.get_SourcePortRange().lower(),
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source_ip=rule.get_SourceIp().lower(),
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protocol=protocol_to_string(rule.get_Protocols()).lower(),
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policy=rule.get_Policy().lower(),
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is_enable=rule.get_IsEnabled(),
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enable_logging=rule.get_EnableLogging(),
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description=rule.get_Description()
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)
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)
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return fw_rules
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def create_fw_rule(is_enable, description, policy, protocol, dest_port,
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dest_ip, source_port, source_ip, enable_logging):
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return FirewallRuleType(IsEnabled=is_enable,
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Description=description,
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Policy=policy,
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Protocols=protocol_to_type(protocol),
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DestinationPortRange=dest_port,
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DestinationIp=dest_ip,
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SourcePortRange=source_port,
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SourceIp=source_ip,
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EnableLogging=enable_logging)
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def main():
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argument_spec = vca_argument_spec()
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argument_spec.update(
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dict(
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fw_rules = dict(required=True, type='list'),
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gateway_name = dict(default='gateway'),
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state = dict(default='present', choices=['present', 'absent'])
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)
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)
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module = AnsibleModule(argument_spec, supports_check_mode=True)
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fw_rules = module.params.get('fw_rules')
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gateway_name = module.params.get('gateway_name')
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vdc_name = module.params['vdc_name']
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vca = vca_login(module)
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gateway = vca.get_gateway(vdc_name, gateway_name)
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if not gateway:
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module.fail_json(msg="Not able to find the gateway %s, please check "
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"the gateway_name param" % gateway_name)
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fwservice = gateway._getFirewallService()
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rules = gateway.get_fw_rules()
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current_rules = fw_rules_to_dict(rules)
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try:
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desired_rules = validate_fw_rules(fw_rules)
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except VcaError as e:
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module.fail_json(msg=e.message)
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result = dict(changed=False)
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result['current_rules'] = current_rules
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result['desired_rules'] = desired_rules
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updates = list()
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additions = list()
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deletions = list()
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for (index, rule) in enumerate(desired_rules):
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try:
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if rule != current_rules[index]:
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updates.append((index, rule))
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except IndexError:
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additions.append(rule)
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eol = len(current_rules) > len(desired_rules)
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if eol > 0:
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for rule in current_rules[eos:]:
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deletions.append(rule)
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for rule in additions:
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if not module.check_mode:
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rule['protocol'] = rule['protocol'].capitalize()
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gateway.add_fw_rule(**rule)
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result['changed'] = True
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for index, rule in updates:
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if not module.check_mode:
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rule = create_fw_rule(**rule)
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fwservice.replace_FirewallRule_at(index, rule)
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result['changed'] = True
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keys = ['protocol', 'dest_port', 'dest_ip', 'source_port', 'source_ip']
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for rule in deletions:
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if not module.check_mode:
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kwargs = dict([(k, v) for k, v in rule.items() if k in keys])
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kwargs['protocol'] = protocol_to_string(kwargs['protocol'])
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gateway.delete_fw_rule(**kwargs)
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result['changed'] = True
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if not module.check_mode and result['changed'] == True:
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task = gateway.save_services_configuration()
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if task:
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vca.block_until_completed(task)
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result['rules_updated'] = count=len(updates)
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result['rules_added'] = count=len(additions)
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result['rules_deleted'] = count=len(deletions)
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return module.exit_json(**result)
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# import module snippets
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from ansible.module_utils.basic import *
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from ansible.module_utils.vca import *
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if __name__ == '__main__':
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main()
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