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b9a7352e0a
Allow security tokens and profiles to be used as arguments to the 'common' ec2 modules Mostly refactoring to provide two new methods, `get_aws_connection_info`, which results in a dict that can be passed through to the boto `connect_to_region` calls, and `connect_to_aws` that can pass that dict through to the `connect_to_region` method of the appropriate module. Tidied up some variable names Works around boto/boto#2100 profiles don't work with boto < 2.24, but this detects for that and fails with an appropriate message. It is designed to work if profile is not passed but boto < 2.24 is installed. Modifications to allow empty aws auth variables to be passed (this is useful if wanting to have the keys as an optional parameter in ec2 calls - if set, use this value, if not set, use boto config or env variables) Reworked validate_certs improvements to work with refactoring Added documentation for profile and security_token to affected modules
272 lines
8.2 KiB
Python
272 lines
8.2 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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DOCUMENTATION = '''
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---
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module: ec2_group
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version_added: "1.3"
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short_description: maintain an ec2 VPC security group.
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description:
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- maintains ec2 security groups. This module has a dependency on python-boto >= 2.5
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options:
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name:
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description:
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- Name of the security group.
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required: true
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description:
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description:
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- Description of the security group.
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required: true
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vpc_id:
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description:
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- ID of the VPC to create the group in.
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required: false
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rules:
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description:
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- List of firewall rules to enforce in this group (see example).
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required: true
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region:
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description:
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- the EC2 region to use
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required: false
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default: null
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aliases: []
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ec2_url:
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description:
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- Url to use to connect to EC2 or your Eucalyptus cloud (by default the module will use EC2 endpoints)
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required: false
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default: null
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aliases: []
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ec2_secret_key:
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description:
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- EC2 secret key
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required: false
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default: null
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aliases: ['aws_secret_key']
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ec2_access_key:
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description:
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- EC2 access key
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required: false
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default: null
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aliases: ['aws_access_key']
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state:
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version_added: "1.4"
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description:
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- create or delete security group
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required: false
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default: 'present'
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aliases: []
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validate_certs:
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description:
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- When set to "no", SSL certificates will not be validated for boto versions >= 2.6.0.
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required: false
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default: "yes"
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choices: ["yes", "no"]
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aliases: []
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version_added: "1.5"
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profile:
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description:
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- uses a boto profile. Only works with boto >= 2.24.0
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required: false
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default: null
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aliases: []
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version_added: "1.5"
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security_token:
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description:
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- security token to authenticate against AWS
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required: false
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default: null
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aliases: []
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version_added: "1.5"
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requirements: [ "boto" ]
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'''
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EXAMPLES = '''
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- name: example ec2 group
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local_action:
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module: ec2_group
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name: example
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description: an example EC2 group
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vpc_id: 12345
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region: eu-west-1a
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ec2_secret_key: SECRET
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ec2_access_key: ACCESS
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rules:
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- proto: tcp
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from_port: 80
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to_port: 80
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cidr_ip: 0.0.0.0/0
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- proto: tcp
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from_port: 22
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to_port: 22
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cidr_ip: 10.0.0.0/8
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- proto: udp
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from_port: 10050
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to_port: 10050
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cidr_ip: 10.0.0.0/8
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- proto: udp
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from_port: 10051
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to_port: 10051
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group_id: sg-12345678
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- proto: all
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# the containing group name may be specified here
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group_name: example
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'''
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try:
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import boto.ec2
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except ImportError:
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print "failed=True msg='boto required for this module'"
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sys.exit(1)
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def addRulesToLookup(rules, prefix, dict):
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for rule in rules:
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for grant in rule.grants:
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dict["%s-%s-%s-%s-%s-%s" % (prefix, rule.ip_protocol, rule.from_port, rule.to_port,
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grant.group_id, grant.cidr_ip)] = rule
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def main():
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argument_spec = ec2_argument_spec()
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argument_spec.update(dict(
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name=dict(required=True),
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description=dict(required=True),
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vpc_id=dict(),
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rules=dict(),
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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(
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argument_spec=argument_spec,
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supports_check_mode=True,
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)
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name = module.params['name']
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description = module.params['description']
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vpc_id = module.params['vpc_id']
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rules = module.params['rules']
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state = module.params.get('state')
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changed = False
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ec2 = ec2_connect(module)
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# find the group if present
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group = None
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groups = {}
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for curGroup in ec2.get_all_security_groups():
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groups[curGroup.id] = curGroup
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groups[curGroup.name] = curGroup
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if curGroup.name == name and (vpc_id is None or curGroup.vpc_id == vpc_id):
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group = curGroup
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# Ensure requested group is absent
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if state == 'absent':
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if group:
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'''found a match, delete it'''
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try:
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group.delete()
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except Exception, e:
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module.fail_json(msg="Unable to delete security group '%s' - %s" % (group, e))
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else:
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group = None
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changed = True
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else:
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'''no match found, no changes required'''
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# Ensure requested group is present
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elif state == 'present':
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if group:
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'''existing group found'''
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# check the group parameters are correct
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group_in_use = False
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rs = ec2.get_all_instances()
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for r in rs:
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for i in r.instances:
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group_in_use |= reduce(lambda x, y: x | (y.name == 'public-ssh'), i.groups, False)
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if group.description != description:
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if group_in_use:
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module.fail_json(msg="Group description does not match, but it is in use so cannot be changed.")
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# if the group doesn't exist, create it now
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else:
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'''no match found, create it'''
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if not module.check_mode:
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group = ec2.create_security_group(name, description, vpc_id=vpc_id)
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changed = True
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else:
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module.fail_json(msg="Unsupported state requested: %s" % state)
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# create a lookup for all existing rules on the group
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if group:
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groupRules = {}
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addRulesToLookup(group.rules, 'in', groupRules)
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# Now, go through all provided rules and ensure they are there.
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if rules:
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for rule in rules:
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group_id = None
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group_name = None
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ip = None
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if 'group_id' in rule and 'cidr_ip' in rule:
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module.fail_json(msg="Specify group_id OR cidr_ip, not both")
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elif 'group_name' in rule and 'cidr_ip' in rule:
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module.fail_json(msg="Specify group_name OR cidr_ip, not both")
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elif 'group_id' in rule and 'group_name' in rule:
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module.fail_json(msg="Specify group_id OR group_name, not both")
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elif 'group_id' in rule:
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group_id = rule['group_id']
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elif 'group_name' in rule:
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group_name = rule['group_name']
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if group_name in groups:
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group_id = groups[group_name].id
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elif group_name == name:
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group_id = group.id
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groups[group_id] = group
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groups[group_name] = group
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elif 'cidr_ip' in rule:
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ip = rule['cidr_ip']
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if rule['proto'] == 'all':
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rule['proto'] = -1
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rule['from_port'] = None
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rule['to_port'] = None
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# If rule already exists, don't later delete it
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ruleId = "%s-%s-%s-%s-%s-%s" % ('in', rule['proto'], rule['from_port'], rule['to_port'], group_id, ip)
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if ruleId in groupRules:
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del groupRules[ruleId]
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# Otherwise, add new rule
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else:
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grantGroup = None
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if group_id:
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grantGroup = groups[group_id]
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if not module.check_mode:
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group.authorize(rule['proto'], rule['from_port'], rule['to_port'], ip, grantGroup)
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changed = True
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# Finally, remove anything left in the groupRules -- these will be defunct rules
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for rule in groupRules.itervalues():
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for grant in rule.grants:
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grantGroup = None
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if grant.group_id:
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grantGroup = groups[grant.group_id]
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if not module.check_mode:
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group.revoke(rule.ip_protocol, rule.from_port, rule.to_port, grant.cidr_ip, grantGroup)
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changed = True
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if group:
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module.exit_json(changed=changed, group_id=group.id)
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else:
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module.exit_json(changed=changed, group_id=None)
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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.ec2 import *
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main()
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