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#!/usr/bin/python
#
# This is a 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.
#
# This Ansible library 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 this library. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: ec2_remote_facts
short_description: Gather facts about ec2 instances in AWS
description:
- Gather facts about ec2 instances in AWS
version_added: "2.0"
options:
filters:
description:
- 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.
required: false
default: null
author:
- "Michael Schuett (@michaeljs1990)"
extends_documentation_fragment:
- aws
- ec2
'''
EXAMPLES = '''
# Note: These examples do not set authentication details, see the AWS Guide for details.
# Gather facts about all ec2 instances
- ec2_remote_facts:
# Gather facts about all running ec2 instances with a tag of Name:Example
- ec2_remote_facts:
filters:
instance-state-name: running
"tag:Name": Example
# Gather facts about instance i-123456
- ec2_remote_facts:
filters:
instance-id: i-123456
# Gather facts about all instances in vpc-123456 that are t2.small type
- ec2_remote_facts:
filters:
vpc-id: vpc-123456
instance-type: t2.small
'''
try:
import boto.ec2
from boto.exception import BotoServerError
HAS_BOTO = True
except ImportError:
HAS_BOTO = False
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.ec2 import AnsibleAWSError, connect_to_aws, ec2_argument_spec, get_aws_connection_info
def get_instance_info(instance):
# Get groups
groups = []
for group in instance.groups:
groups.append({ 'id': group.id, 'name': group.name }.copy())
# Get interfaces
interfaces = []
for interface in instance.interfaces:
interfaces.append({ 'id': interface.id, 'mac_address': interface.mac_address }.copy())
# If an instance is terminated, sourceDestCheck is no longer returned
try:
source_dest_check = instance.sourceDestCheck
except AttributeError:
source_dest_check = None
# Get block device mapping
try:
bdm_dict = []
bdm = getattr(instance, 'block_device_mapping')
for device_name in bdm.keys():
bdm_dict.append({
'device_name': device_name,
'status': bdm[device_name].status,
'volume_id': bdm[device_name].volume_id,
'delete_on_termination': bdm[device_name].delete_on_termination,
'attach_time': bdm[device_name].attach_time
})
except AttributeError:
pass
instance_info = { 'id': instance.id,
'kernel': instance.kernel,
'instance_profile': instance.instance_profile,
'root_device_type': instance.root_device_type,
'private_dns_name': instance.private_dns_name,
'public_dns_name': instance.public_dns_name,
'ebs_optimized': instance.ebs_optimized,
'client_token': instance.client_token,
'virtualization_type': instance.virtualization_type,
'architecture': instance.architecture,
'ramdisk': instance.ramdisk,
'tags': instance.tags,
'key_name': instance.key_name,
'source_destination_check': source_dest_check,
'image_id': instance.image_id,
'groups': groups,
'interfaces': interfaces,
'spot_instance_request_id': instance.spot_instance_request_id,
'requester_id': instance.requester_id,
'monitoring_state': instance.monitoring_state,
'placement': {
'tenancy': instance._placement.tenancy,
'zone': instance._placement.zone
},
'ami_launch_index': instance.ami_launch_index,
'launch_time': instance.launch_time,
'hypervisor': instance.hypervisor,
'region': instance.region.name,
'persistent': instance.persistent,
'private_ip_address': instance.private_ip_address,
'public_ip_address': instance.ip_address,
'state': instance._state.name,
'vpc_id': instance.vpc_id,
'block_device_mapping': bdm_dict,
}
return instance_info
def list_ec2_instances(connection, module):
filters = module.params.get("filters")
instance_dict_array = []
try:
all_instances = connection.get_only_instances(filters=filters)
except BotoServerError as e:
module.fail_json(msg=e.message)
for instance in all_instances:
instance_dict_array.append(get_instance_info(instance))
module.exit_json(instances=instance_dict_array)
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(
dict(
filters = dict(default=None, type='dict')
)
)
module = AnsibleModule(argument_spec=argument_spec)
if not HAS_BOTO:
module.fail_json(msg='boto required for this module')
region, ec2_url, aws_connect_params = get_aws_connection_info(module)
if region:
try:
connection = connect_to_aws(boto.ec2, region, **aws_connect_params)
except (boto.exception.NoAuthHandlerFound, AnsibleAWSError) as e:
module.fail_json(msg=str(e))
else:
module.fail_json(msg="region must be specified")
list_ec2_instances(connection, module)
if __name__ == '__main__':
main()
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