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