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273 lines
9.3 KiB
Python
273 lines
9.3 KiB
Python
#!/usr/bin/python
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# Copyright 2013 Google Inc.
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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: gce_net
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version_added: "1.5"
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short_description: create/destroy GCE networks and firewall rules
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description:
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- This module can create and destroy Google Compue Engine networks and
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firewall rules U(https://developers.google.com/compute/docs/networking).
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The I(name) parameter is reserved for referencing a network while the
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I(fwname) parameter is used to reference firewall rules.
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IPv4 Address ranges must be specified using the CIDR
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U(http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing) format.
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Full install/configuration instructions for the gce* modules can
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be found in the comments of ansible/test/gce_tests.py.
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options:
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allowed:
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description:
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- the protocol:ports to allow ('tcp:80' or 'tcp:80,443' or 'tcp:80-800')
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required: false
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default: null
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aliases: []
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ipv4_range:
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description:
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- the IPv4 address range in CIDR notation for the network
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required: false
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aliases: ['cidr']
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fwname:
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description:
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- name of the firewall rule
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required: false
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default: null
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aliases: ['fwrule']
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name:
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description:
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- name of the network
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required: false
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default: null
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aliases: []
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src_range:
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description:
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- the source IPv4 address range in CIDR notation
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required: false
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default: null
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aliases: ['src_cidr']
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src_tags:
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description:
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- the source instance tags for creating a firewall rule
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required: false
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default: null
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aliases: []
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state:
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description:
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- desired state of the persistent disk
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required: false
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default: "present"
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choices: ["active", "present", "absent", "deleted"]
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aliases: []
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requirements: [ "libcloud" ]
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author: Eric Johnson <erjohnso@google.com>
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'''
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EXAMPLES = '''
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# Simple example of creating a new network
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- local_action:
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module: gce_net
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name: privatenet
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ipv4_range: '10.240.16.0/24'
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# Simple example of creating a new firewall rule
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- local_action:
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module: gce_net
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name: privatenet
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allowed: tcp:80,8080
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src_tags: ["web", "proxy"]
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'''
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import sys
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USER_AGENT_PRODUCT="Ansible-gce_net"
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USER_AGENT_VERSION="v1beta15"
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try:
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from libcloud.compute.types import Provider
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from libcloud.compute.providers import get_driver
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from libcloud.common.google import GoogleBaseError, QuotaExceededError, \
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ResourceExistsError, ResourceNotFoundError
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_ = Provider.GCE
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except ImportError:
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print("failed=True " + \
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"msg='libcloud with GCE support required for this module.'")
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sys.exit(1)
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# Load in the libcloud secrets file
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try:
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import secrets
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except ImportError:
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secrets = None
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ARGS = getattr(secrets, 'GCE_PARAMS', ())
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KWARGS = getattr(secrets, 'GCE_KEYWORD_PARAMS', {})
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if not ARGS or not 'project' in KWARGS:
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print("failed=True msg='Missing GCE connection " + \
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"parameters in libcloud secrets file.'")
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sys.exit(1)
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def unexpected_error_msg(error):
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"""Format error string based on passed in error."""
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msg='Unexpected response: HTTP return_code['
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msg+='%s], API error code[%s] and message: %s' % (
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error.http_code, error.code, str(error.value))
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return msg
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def format_allowed(allowed):
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"""Format the 'allowed' value so that it is GCE compatible."""
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if allowed.count(":") == 0:
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protocol = allowed
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ports = []
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elif allowed.count(":") == 1:
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protocol, ports = allowed.split(":")
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else:
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return []
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if ports.count(","):
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ports = ports.split(",")
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else:
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ports = [ports]
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return_val = {"IPProtocol": protocol}
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if ports:
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return_val["ports"] = ports
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return [return_val]
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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allowed = dict(),
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ipv4_range = dict(),
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fwname = dict(),
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name = dict(),
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src_range = dict(),
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src_tags = dict(type='list'),
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state = dict(default='present'),
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)
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)
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allowed = module.params.get('allowed')
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ipv4_range = module.params.get('ipv4_range')
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fwname = module.params.get('fwname')
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name = module.params.get('name')
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src_range = module.params.get('src_range')
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src_tags = module.params.get('src_tags')
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state = module.params.get('state')
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try:
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gce = get_driver(Provider.GCE)(*ARGS, **KWARGS)
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gce.connection.user_agent_append("%s/%s" % (
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USER_AGENT_PRODUCT, USER_AGENT_VERSION))
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except Exception, e:
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module.fail_json(msg=unexpected_error_msg(e), changed=False)
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changed = False
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json_output = {'state': state}
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if state in ['active', 'present']:
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network = None
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try:
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network = gce.ex_get_network(name)
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json_output['name'] = name
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json_output['ipv4_range'] = network.cidr
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except ResourceNotFoundError:
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pass
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except Exception, e:
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module.fail_json(msg=unexpected_error_msg(e), changed=False)
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# user wants to create a new network that doesn't yet exist
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if name and not network:
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if not ipv4_range:
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module.fail_json(msg="Missing required 'ipv4_range' parameter",
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changed=False)
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try:
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network = gce.ex_create_network(name, ipv4_range)
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json_output['name'] = name
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json_output['ipv4_range'] = ipv4_range
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changed = True
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except Exception, e:
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module.fail_json(msg=unexpected_error_msg(e), changed=False)
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if fwname:
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# user creating a firewall rule
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if not allowed and not src_range and not src_tags:
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if changed and network:
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module.fail_json(
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msg="Network created, but missing required " + \
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"firewall rule parameter(s)", changed=True)
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module.fail_json(
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msg="Missing required firewall rule parameter(s)",
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changed=False)
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allowed_list = format_allowed(allowed)
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try:
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gce.ex_create_firewall(fwname, allowed_list, network=name,
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source_ranges=src_range, source_tags=src_tags)
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changed = True
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except ResourceExistsError:
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pass
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except Exception, e:
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module.fail_json(msg=unexpected_error_msg(e), changed=False)
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json_output['fwname'] = fwname
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json_output['allowed'] = allowed
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json_output['src_range'] = src_range
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json_output['src_tags'] = src_tags
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if state in ['absent', 'deleted']:
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if fwname:
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json_output['fwname'] = fwname
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fw = None
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try:
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fw = gce.ex_get_firewall(fwname)
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except ResourceNotFoundError:
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pass
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except Exception, e:
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module.fail_json(msg=unexpected_error_msg(e), changed=False)
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if fw:
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gce.ex_destroy_firewall(fw)
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changed = True
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if name:
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json_output['name'] = name
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network = None
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try:
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network = gce.ex_get_network(name)
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# json_output['d1'] = 'found network name %s' % name
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except ResourceNotFoundError:
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# json_output['d2'] = 'not found network name %s' % name
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pass
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except Exception, e:
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# json_output['d3'] = 'error with %s' % name
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module.fail_json(msg=unexpected_error_msg(e), changed=False)
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if network:
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# json_output['d4'] = 'deleting %s' % name
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gce.ex_destroy_network(network)
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# json_output['d5'] = 'deleted %s' % name
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changed = True
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json_output['changed'] = changed
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print json.dumps(json_output)
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sys.exit(0)
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# import module snippets
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from ansible.module_utils.basic import *
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main()
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