diff --git a/ec2_facts b/ec2_facts new file mode 100644 index 00000000000..d04f3208441 --- /dev/null +++ b/ec2_facts @@ -0,0 +1,95 @@ +#!/usr/bin/python -tt +# -*- coding: utf-8 -*- + +# This file is part of Ansible +# +# Ansible is 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. +# +# Ansible 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 Ansible. If not, see . + + +DOCUMENTATION = ''' +--- +module: ec2_facts +short_description: Gathers facts about remote hosts within ec2 (aws) +options: {} +description: + - This module fetches data from the metadata servers in ec2 (aws). +notes: + - The module can add parameters to filter ec2_facts based on it. + Some of the facts are not returned ( like mapping of the devices - but + can be add it on). +examples: + - code: ansible all -m ec2_facts --tree /tmp/facts + description: Obtain facts from ec2 metatdata servers. You will need to + run an instance within ec2. +author: Silviu Dicu +''' + +import urllib2 +import socket + +socket.setdefaulttimeout(5) + +class Ec2Metadata(object): + + ec2_metadata_server = 'http://169.254.169.254/latest/meta-data/' + ec2_sshdata_server = 'http://169.254.169.254/latest/meta-data/public-keys/0/openssh-key' + ec2_userdata_server = 'http://169.254.169.254/latest/user-data/' + + def __init__(self, ec2_metadata_server=None, ec2_sshdata_server=None, ec2_userdata_server=None): + self.url_meta = ec2_metadata_server or self.ec2_metadata_server + self.url_user = ec2_userdata_server or self.ec2_userdata_server + self.url_ssh = ec2_sshdata_server or self.ec2_sshdata_server + + def _fetch(self, url): + try: + return urllib2.urlopen(url).read() + except urllib2.HTTPError: + return + except urllib2.URLError: + return + + def run(self, field=None): + data = {} + raw_fields = self._fetch(self.url_meta) + if not raw_fields: + return data + fields = raw_fields.split('\n') + for field in fields: + if field.endswith('/'): continue # deal with this later + field_data = self._fetch(self.url_meta + field) + if field == 'security-groups': + sg_fields = ",".join(field_data.split('\n')) + data['ansible_ec2_%s' % field] = sg_fields + else: + data['ansible_ec2_%s' % field] = field_data + data['ansible_ec2_%s' % 'user-data'] = self._fetch(self.url_user) + data['ensible_ec2_%s' % 'public-keys'] = self._fetch(self.url_ssh) + return data + + +def main(): + ec2_facts = Ec2Metadata().run() + ec2_facts_result = { + "changed" : True, + "ansible_facts" : ec2_facts + } + module = AnsibleModule( + argument_spec = dict() + ) + module.exit_json(**ec2_facts_result) + +# this is magic, see lib/ansible/module_common.py +#<> + +main()