* postgresql_user module - transaction logic hacks to allow recovery from failed select
* postgresql_user - PEP8 and style fixes to make debugging easier
* postgresql_user - move password changing logic to separate function
* postgresql_user - trap failure in case where there is no access to pg_authid
* postgresql_user - further PEP8 fixes
* postgresql_user - Simplify password change logic and improve imports according to suggestions from PR review
* postgresql_user - Eliminate pep8/blank line errors introduced in merge
* Check behaviour when pg_authid relation isn't readable
TASK [postgresql : Normal user isn't allowed to access pg_authid relation:
password comparison will fail, password will be updated] ***
An exception occurred during task execution. To see the full traceback,
use -vvv. The error was: psycopg2.ProgrammingError: permission denied
for relation pg_authid
* Don't reintroduce passlib, remove useless query
* Factorize tests related to no_password_change using an include task
* Refactor: deduplicate tasks
* postgresql_user: test 'expires' parameter
* Change 'valid until' even it's the only updated field
* value is changed when another value is provided
* value isn't returned when unset
* Remove unused variable
* psycopg2.extras.DictRow is able to handle comparison
* postgresql_user: simplify helper method
* postgresql_user: define variable just before using it
* Fix comparison between user input and applied configuration
* new test: adding an invalid attribute
* Refactor, add cleaning task
* Check that using same attribute a 2nd time does nothing
* Always try to remove created user
* postgresql_user: fix pep8
* Use vars for user, group and locale suffix.
* Switch tests from `es_MX` to `es_ES`.
* Enable postgresql tests on freebsd.
* Work-arounds for service restart on freebsd.
This change corrects problems reported by the `yamllint` linter.
Since key duplication problems were removed in 4d48711, this commit
mainly fixes trailing spaces and extra empty lines at beginning/end of
files.