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158 lines
4.9 KiB
Python
158 lines
4.9 KiB
Python
9 years ago
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#!/usr/bin/python
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#
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# This is a 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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# This Ansible library 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 this library. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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---
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9 years ago
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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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description:
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- Only supports seatch for hostname by tags currently. Looking to add more later.
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version_added: "1.9"
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options:
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key:
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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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aliases: []
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value:
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description:
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- instance tag value in EC2
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required: false
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default: null
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aliases: []
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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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aliases: []
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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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aliases: []
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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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aliases: []
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9 years ago
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author:
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- "Michael Schuett (@michaeljs1990)"
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extends_documentation_fragment: aws
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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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- ec2_search:
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key: mykey
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value: myvalue
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register: servers
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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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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_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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return regions
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# Connect to ec2 region
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def connect_to_region(region, module):
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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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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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)
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)
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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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for region in get_all_ec2_regions(module):
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conn = connect_to_region(region, module)
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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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9 years ago
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module.exit_json(**ec2_facts_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.ec2 import *
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main()
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