mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-07-07 17:40:58 +02:00
94 lines
3.0 KiB
Python
94 lines
3.0 KiB
Python
# (c) 2012, Jan-Piet Mens <jpmens(at)gmail.com>
|
|
# (c) 2017 Ansible Project
|
|
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
|
|
from __future__ import (absolute_import, division, print_function)
|
|
__metaclass__ = type
|
|
|
|
DOCUMENTATION = """
|
|
lookup: redis_kv
|
|
author: Jan-Piet Mens <jpmens(at)gmail.com>
|
|
version_added: "0.9"
|
|
short_description: fetch data from Redis
|
|
deprecated:
|
|
why: This lookup uses options intermingled with terms which blurs the interface between settings and data
|
|
version: '2.9'
|
|
alternative: new 'redis' lookup
|
|
description:
|
|
- this lookup returns a list of items given to it, if any of the top level items is also a list it will flatten it, but it will not recurse
|
|
requirements:
|
|
- redis (python library https://github.com/andymccurdy/redis-py/)
|
|
options:
|
|
_terms:
|
|
description: Two element comma separated strings composed of url of the Redis server and key to query
|
|
options:
|
|
_url:
|
|
description: location of redis host in url format
|
|
default: 'redis://localhost:6379'
|
|
_key:
|
|
description: key to query
|
|
required: True
|
|
"""
|
|
|
|
EXAMPLES = """
|
|
- name: query redis for somekey
|
|
debug: msg="{{ lookup('redis_kv', 'redis://localhost:6379,somekey') }} is value in Redis for somekey"
|
|
"""
|
|
|
|
RETURN = """
|
|
_raw:
|
|
description: values stored in Redis
|
|
"""
|
|
import os
|
|
import re
|
|
|
|
HAVE_REDIS = False
|
|
try:
|
|
import redis
|
|
HAVE_REDIS = True
|
|
except ImportError:
|
|
pass
|
|
|
|
from ansible.errors import AnsibleError
|
|
from ansible.plugins.lookup import LookupBase
|
|
|
|
|
|
# ==============================================================
|
|
# REDISGET: Obtain value from a GET on a Redis key. Terms
|
|
# expected: 0 = URL, 1 = Key
|
|
# URL may be empty, in which case redis://localhost:6379 assumed
|
|
# --------------------------------------------------------------
|
|
class LookupModule(LookupBase):
|
|
|
|
def run(self, terms, variables, **kwargs):
|
|
|
|
if not HAVE_REDIS:
|
|
raise AnsibleError("Can't LOOKUP(redis_kv): module redis is not installed")
|
|
|
|
ret = []
|
|
for term in terms:
|
|
(url, key) = term.split(',')
|
|
if url == "":
|
|
url = 'redis://localhost:6379'
|
|
|
|
# urlsplit on Python 2.6.1 is broken. Hmm. Probably also the reason
|
|
# Redis' from_url() doesn't work here.
|
|
|
|
p = '(?P<scheme>[^:]+)://?(?P<host>[^:/ ]+).?(?P<port>[0-9]*).*'
|
|
|
|
try:
|
|
m = re.search(p, url)
|
|
host = m.group('host')
|
|
port = int(m.group('port'))
|
|
except AttributeError:
|
|
raise AnsibleError("Bad URI in redis lookup")
|
|
|
|
try:
|
|
conn = redis.Redis(host=host, port=port)
|
|
res = conn.get(key)
|
|
if res is None:
|
|
res = ""
|
|
ret.append(res)
|
|
except:
|
|
ret.append("") # connection failed or key not found
|
|
return ret
|