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95 lines
3.2 KiB
Python
95 lines
3.2 KiB
Python
#!/usr/bin/python -tt
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# -*- coding: utf-8 -*-
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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: ec2_facts
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short_description: Gathers facts about remote hosts within ec2 (aws)
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options: {}
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description:
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- This module fetches data from the metadata servers in ec2 (aws).
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notes:
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- The module can add parameters to filter ec2_facts based on it.
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Some of the facts are not returned ( like mapping of the devices - but
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can be add it on).
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examples:
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- code: ansible all -m ec2_facts --tree /tmp/facts
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description: Obtain facts from ec2 metatdata servers. You will need to
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run an instance within ec2.
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author: Silviu Dicu
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'''
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import urllib2
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import socket
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socket.setdefaulttimeout(5)
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class Ec2Metadata(object):
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ec2_metadata_server = 'http://169.254.169.254/latest/meta-data/'
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ec2_sshdata_server = 'http://169.254.169.254/latest/meta-data/public-keys/0/openssh-key'
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ec2_userdata_server = 'http://169.254.169.254/latest/user-data/'
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def __init__(self, ec2_metadata_server=None, ec2_sshdata_server=None, ec2_userdata_server=None):
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self.url_meta = ec2_metadata_server or self.ec2_metadata_server
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self.url_user = ec2_userdata_server or self.ec2_userdata_server
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self.url_ssh = ec2_sshdata_server or self.ec2_sshdata_server
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def _fetch(self, url):
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try:
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return urllib2.urlopen(url).read()
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except urllib2.HTTPError:
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return
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except urllib2.URLError:
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return
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def run(self, field=None):
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data = {}
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raw_fields = self._fetch(self.url_meta)
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if not raw_fields:
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return data
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fields = raw_fields.split('\n')
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for field in fields:
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if field.endswith('/'): continue # deal with this later
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field_data = self._fetch(self.url_meta + field)
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if field == 'security-groups':
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sg_fields = ",".join(field_data.split('\n'))
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data['ansible_ec2_%s' % field] = sg_fields
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else:
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data['ansible_ec2_%s' % field] = field_data
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data['ansible_ec2_%s' % 'user-data'] = self._fetch(self.url_user)
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data['ensible_ec2_%s' % 'public-keys'] = self._fetch(self.url_ssh)
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return data
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def main():
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ec2_facts = Ec2Metadata().run()
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ec2_facts_result = {
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"changed" : True,
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"ansible_facts" : ec2_facts
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}
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module = AnsibleModule(
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argument_spec = dict()
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)
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module.exit_json(**ec2_facts_result)
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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