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redis cache - better parsing of connection uri (#2579)

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* better parsing of connection uri

* added changelog fragment

* fixed tests for ansible 2.9

* Update tests/unit/plugins/cache/test_redis.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update tests/unit/plugins/cache/test_redis.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Adjustments from PR

* Update test_redis.py

* Update test_redis.py

* Update plugins/cache/redis.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/cache/redis.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update tests/unit/plugins/cache/test_redis.py

Co-authored-by: Felix Fontein <felix@fontein.de>

Co-authored-by: Felix Fontein <felix@fontein.de>
This commit is contained in:
Alexei Znamensky 2021-05-26 17:07:09 +12:00 • committed by GitHub
commit 4764a5deba
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3 changed files with 28 additions and 3 deletions
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14
plugins/cache/redis.py vendored
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@ -61,6 +61,7 @@ DOCUMENTATION = '''
type: integer
'''
import re
import time
import json
@ -91,6 +92,8 @@ class CacheModule(BaseCacheModule):
performance.
"""
_sentinel_service_name = None
re_url_conn = re.compile(r'^([^:]+|\[[^]]+\]):(\d+):(\d+)(?::(.*))?$')
re_sent_conn = re.compile(r'^(.*):(\d+)$')
def __init__(self, *args, **kwargs):
uri = ''
@ -130,11 +133,18 @@ class CacheModule(BaseCacheModule):
self._db = self._get_sentinel_connection(uri, kw)
# normal connection
else:
connection = uri.split(':')
connection = self._parse_connection(self.re_url_conn, uri)
self._db = StrictRedis(*connection, **kw)
display.vv('Redis connection: %s' % self._db)
@staticmethod
def _parse_connection(re_patt, uri):
match = re_patt.match(uri)
if not match:
raise AnsibleError("Unable to parse connection string")
return match.groups()
def _get_sentinel_connection(self, uri, kw):
"""
get sentinel connection details from _uri
@ -158,7 +168,7 @@ class CacheModule(BaseCacheModule):
except IndexError:
pass # password is optional
sentinels = [tuple(shost.split(':')) for shost in connections]
sentinels = [self._parse_connection(self.re_sent_conn, shost) for shost in connections]
display.vv('\nUsing redis sentinels: %s' % sentinels)
scon = Sentinel(sentinels, **kw)
try: