1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
# -*- coding: utf-8 -*-
# Copyright (c) 2012, Jan-Piet Mens <jpmens(at)gmail.com>
# Copyright (c) 2017 Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = '''
name: redis
author:
- Jan-Piet Mens (@jpmens) <jpmens(at)gmail.com>
- Ansible Core Team
short_description: fetch data from Redis
description:
- This lookup returns a list of results from a Redis DB corresponding to a list of items given to it
requirements:
- redis (python library https://github.com/andymccurdy/redis-py/)
options:
_terms:
description: list of keys to query
host:
description: location of Redis host
default: '127.0.0.1'
env:
- name: ANSIBLE_REDIS_HOST
ini:
- section: lookup_redis
key: host
port:
description: port on which Redis is listening on
default: 6379
type: int
env:
- name: ANSIBLE_REDIS_PORT
ini:
- section: lookup_redis
key: port
socket:
description: path to socket on which to query Redis, this option overrides host and port options when set.
type: path
env:
- name: ANSIBLE_REDIS_SOCKET
ini:
- section: lookup_redis
key: socket
'''
EXAMPLES = """
- name: query redis for somekey (default or configured settings used)
ansible.builtin.debug:
msg: "{{ lookup('community.general.redis', 'somekey') }}"
- name: query redis for list of keys and non-default host and port
ansible.builtin.debug:
msg: "{{ lookup('community.general.redis', item, host='myredis.internal.com', port=2121) }}"
loop: '{{list_of_redis_keys}}'
- name: use list directly
ansible.builtin.debug:
msg: "{{ lookup('community.general.redis', 'key1', 'key2', 'key3') }}"
- name: use list directly with a socket
ansible.builtin.debug:
msg: "{{ lookup('community.general.redis', 'key1', 'key2', socket='/var/tmp/redis.sock') }}"
"""
RETURN = """
_raw:
description: value(s) stored in Redis
type: list
elements: str
"""
HAVE_REDIS = False
try:
import redis
HAVE_REDIS = True
except ImportError:
pass
from ansible.module_utils.common.text.converters import to_text
from ansible.errors import AnsibleError
from ansible.plugins.lookup import LookupBase
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")
# get options
self.set_options(direct=kwargs)
# setup connection
host = self.get_option('host')
port = self.get_option('port')
socket = self.get_option('socket')
if socket is None:
conn = redis.Redis(host=host, port=port)
else:
conn = redis.Redis(unix_socket_path=socket)
ret = []
for term in terms:
try:
res = conn.get(term)
if res is None:
res = ""
ret.append(to_text(res))
except Exception as e:
# connection failed or key not found
raise AnsibleError('Encountered exception while fetching {0}: {1}'.format(term, e))
return ret
|
