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@ -16,137 +16,149 @@
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DOCUMENTATION = '''
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---
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module: ec2_remote_facts
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short_description: ask EC2 for information about other instances.
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short_description: Gather facts about ec2 instances in AWS
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description:
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- Only supports search for hostname by tags currently. Looking to add more later.
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- Gather facts about ec2 instances in AWS
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version_added: "2.0"
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options:
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key:
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filters:
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description:
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- instance tag key in EC2
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required: false
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default: Name
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value:
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description:
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- instance tag value in EC2
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- A dict of filters to apply. Each dict item consists of a filter key and a filter value. See U(http://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeInstances.html) for possible filters.
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required: false
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default: null
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lookup:
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description:
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- What type of lookup to use when searching EC2 instance info.
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required: false
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default: tags
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region:
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description:
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- EC2 region that it should look for tags in
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required: false
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default: All Regions
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ignore_state:
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description:
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- instance state that should be ignored such as terminated.
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required: false
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default: terminated
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author:
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- "Michael Schuett (@michaeljs1990)"
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extends_documentation_fragment: aws
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extends_documentation_fragment:
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- aws
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- ec2
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'''
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EXAMPLES = '''
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# Note: These examples do not set authentication details, see the AWS Guide for details.
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# Basic provisioning example
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# Gather facts about all ec2 instances
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- ec2_remote_facts:
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# Gather facts about all running ec2 instances with a tag of Name:Example
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- ec2_remote_facts:
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key: mykey
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value: myvalue
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register: servers
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filters:
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instance-state-name: running
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"tag:Name": Example
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# Gather facts about instance i-123456
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- ec2_remote_facts:
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filters:
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instance-id: i-123456
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# Gather facts about all instances in vpc-123456 that are t2.small type
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- ec2_remote_facts:
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filters:
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vpc-id: vpc-123456
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instance-type: t2.small
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'''
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try:
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import boto
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import boto.ec2
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from boto.exception import BotoServerError
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HAS_BOTO = True
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except ImportError:
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HAS_BOTO = False
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def todict(obj, classkey=None):
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if isinstance(obj, dict):
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data = {}
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for (k, v) in obj.items():
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data[k] = todict(v, classkey)
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return data
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elif hasattr(obj, "_ast"):
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return todict(obj._ast())
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elif hasattr(obj, "__iter__"):
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return [todict(v, classkey) for v in obj]
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elif hasattr(obj, "__dict__"):
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# This Class causes a recursive loop and at this time is not worth
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# debugging. If it's useful later I'll look into it.
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if not isinstance(obj, boto.ec2.blockdevicemapping.BlockDeviceType):
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data = dict([(key, todict(value, classkey))
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for key, value in obj.__dict__.iteritems()
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if not callable(value) and not key.startswith('_')])
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if classkey is not None and hasattr(obj, "__class__"):
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data[classkey] = obj.__class__.__name__
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return data
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else:
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return obj
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def get_instance_info(instance):
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# Get groups
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groups = []
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for group in instance.groups:
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groups.append({ 'id': group.id, 'name': group.name }.copy())
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def get_all_ec2_regions(module):
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try:
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regions = boto.ec2.regions()
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except Exception, e:
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module.fail_json('Boto authentication issue: %s' % e)
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# Get interfaces
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interfaces = []
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for interface in instance.interfaces:
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interfaces.append({ 'id': interface.id, 'mac_address': interface.mac_address }.copy())
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instance_info = { 'id': instance.id,
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'kernel': instance.kernel,
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'instance_profile': instance.instance_profile,
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'root_device_type': instance.root_device_type,
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'private_dns_name': instance.private_dns_name,
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'public_dns_name': instance.public_dns_name,
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'ebs_optimized': instance.ebs_optimized,
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'client_token': instance.client_token,
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'virtualization_type': instance.virtualization_type,
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'architecture': instance.architecture,
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'ramdisk': instance.ramdisk,
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'tags': instance.tags,
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'key_name': instance.key_name,
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'source_destination_check': instance.sourceDestCheck,
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'image_id': instance.image_id,
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'groups': groups,
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'interfaces': interfaces,
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'spot_instance_request_id': instance.spot_instance_request_id,
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'requester_id': instance.requester_id,
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'monitoring_state': instance.monitoring_state,
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'placement': {
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'tenancy': instance._placement.tenancy,
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'zone': instance._placement.zone
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},
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'ami_launch_index': instance.ami_launch_index,
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'launch_time': instance.launch_time,
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'hypervisor': instance.hypervisor,
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'region': instance.region.name,
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'persistent': instance.persistent,
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'private_ip_address': instance.private_ip_address,
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'state': instance._state.name,
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'vpc_id': instance.vpc_id,
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}
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return regions
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return instance_info
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# Connect to ec2 region
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def connect_to_region(region, module):
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def list_ec2_instances(connection, module):
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filters = module.params.get("filters")
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instance_dict_array = []
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try:
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conn = boto.ec2.connect_to_region(region.name)
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except Exception, e:
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print module.jsonify('error connecting to region: ' + region.name)
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conn = None
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# connect_to_region will fail "silently" by returning
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# None if the region name is wrong or not supported
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return conn
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all_instances = connection.get_only_instances(filters=filters)
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except BotoServerError as e:
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module.fail_json(msg=e.message)
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for instance in all_instances:
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instance_dict_array.append(get_instance_info(instance))
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module.exit_json(instances=instance_dict_array)
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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key = dict(default='Name'),
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value = dict(),
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lookup = dict(default='tags'),
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ignore_state = dict(default='terminated'),
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region = dict(),
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argument_spec = ec2_argument_spec()
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argument_spec.update(
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dict(
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filters = dict(default=None, type='dict')
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)
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)
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module = AnsibleModule(argument_spec=argument_spec)
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if not HAS_BOTO:
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module.fail_json(msg='boto required for this module')
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server_info = list()
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region, ec2_url, aws_connect_params = get_aws_connection_info(module)
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for region in get_all_ec2_regions(module):
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conn = connect_to_region(region, module)
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if region:
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try:
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# Run when looking up by tag names, only returning hostname currently
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if module.params.get('lookup') == 'tags':
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ec2_key = 'tag:' + module.params.get('key')
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ec2_value = module.params.get('value')
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reservations = conn.get_all_instances(filters={ec2_key : ec2_value})
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for instance in [i for r in reservations for i in r.instances]:
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if instance.private_ip_address != None:
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instance.hostname = 'ip-' + instance.private_ip_address.replace('.', '-')
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if instance._state.name not in module.params.get('ignore_state'):
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server_info.append(todict(instance))
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except:
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print module.jsonify('error getting instances from: ' + region.name)
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ec2_facts_result = dict(changed=True, ec2=server_info)
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module.exit_json(**ec2_facts_result)
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connection = connect_to_aws(boto.ec2, region, **aws_connect_params)
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except (boto.exception.NoAuthHandlerFound, StandardError), e:
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module.fail_json(msg=str(e))
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else:
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module.fail_json(msg="region must be specified")
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list_ec2_instances(connection, module)
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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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if __name__ == '__main__':
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main()
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