Created
May 31, 2016 14:02
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Patched etcd lookup plugin for ansible (support v2 API)
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# (c) 2013, Jan-Piet Mens <jpmens(at)gmail.com> | |
# | |
# 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 <http://www.gnu.org/licenses/>. | |
from __future__ import (absolute_import, division, print_function) | |
__metaclass__ = type | |
import os | |
try: | |
import json | |
except ImportError: | |
import simplejson as json | |
from ansible.plugins.lookup import LookupBase | |
from ansible.module_utils.urls import open_url | |
# this can be made configurable, not should not use ansible.cfg | |
ANSIBLE_ETCD_URL = 'http://127.0.0.1:4001' | |
if os.getenv('ANSIBLE_ETCD_URL') is not None: | |
ANSIBLE_ETCD_URL = os.environ['ANSIBLE_ETCD_URL'] | |
class Etcd: | |
def __init__(self, url=ANSIBLE_ETCD_URL, validate_certs=True): | |
self.url = url | |
self.baseurl = '%s/v2/keys' % (self.url) | |
self.validate_certs = validate_certs | |
def get(self, key): | |
url = "%s/%s" % (self.baseurl, key) | |
data = None | |
value = "" | |
try: | |
r = open_url(url, validate_certs=self.validate_certs) | |
data = r.read() | |
except: | |
return value | |
try: | |
item = json.loads(data) | |
if 'node' in item: | |
item = item['node'] | |
if 'value' in item: | |
value = item['value'] | |
except: | |
raise | |
pass | |
return value | |
class LookupModule(LookupBase): | |
def run(self, terms, variables, **kwargs): | |
validate_certs = kwargs.get('validate_certs', True) | |
etcd = Etcd(validate_certs=validate_certs) | |
ret = [] | |
for term in terms: | |
key = term.split()[0] | |
value = etcd.get(key) | |
ret.append(value) | |
return ret |
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