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community.general/test/integration/targets/postgresql/tasks/test_password.yml
Strahinja Kustudic 32d6a354d7 postgresql_user: set encrypted as default and fix empty password reporting changed (#36931) 
* Set encrypted as default and fix empty password reporting changed

* Starting with Postgres 10 `UNENCRYPTED` passwords are removed and
because of that this module fails with the default `encrypted=no`.
Also encrypted passwords are suported since version 7.2
(https://www.postgresql.org/docs/7.2/static/sql-createuser.html) which
went EOL in 2007 and since 7.3 it is the default. Because of this it
makes a lot more sense to make `encrypted=yes` the default. This won't
break backward compatibility, the module would just update the user's
password in the DB in the hashed format and everything else will work
like before. It's also a security bad practice to store passwords in
plain text. fixes #25823
* There was also a bug with `encrypted=yes` and an empty password always
reported as changed.
* Improved documentation for `encrypted`/`password` parameters, and
removed some obsolete notes about passlib.

* Fix clearing user's password to work with all versions of Postgres

* Add tests for clearing the user password

* Fix documentation atfer rebase

* Add changelog fragment
2018-05-21 14:49:44 -05:00

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- vars:
task_parameters: &task_parameters
become_user: "{{ pg_user }}"
become: True
register: result
postgresql_parameters: &parameters
db: postgres
name: "{{ db_user1 }}"
login_user: "{{ pg_user }}"
block:
- name: 'Check that PGOPTIONS environment variable is effective (1/2)'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: '{{ db_password1 }}'
ignore_errors: true
environment:
PGCLIENTENCODING: 'UTF8'
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- name: 'Check that PGOPTIONS environment variable is effective (2/2)'
assert:
that:
- "{{ result is failed }}"
- name: 'Create a user (password encrypted: {{ encrypted }})'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: '{{ db_password1 }}'
encrypted: '{{ encrypted }}'
environment:
PGCLIENTENCODING: 'UTF8'
- block: &changed # block is only used here in order to be able to define YAML anchor
- name: Check that ansible reports it was created
assert:
that:
- "{{ result is changed }}"
- name: Check that it was created
<<: *task_parameters
shell: echo "select * from pg_user where usename='{{ db_user1 }}';" | psql -d postgres
- assert:
that:
- "result.stdout_lines[-1] == '(1 row)'"
- name: Check that creating user a second time does nothing
<<: *task_parameters
postgresql_user:
<<: *parameters
password: '{{ db_password1 }}'
encrypted: '{{ encrypted }}'
environment:
PGCLIENTENCODING: 'UTF8'
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- block: &not_changed # block is only used here in order to be able to define YAML anchor
- name: Check that ansible reports no change
assert:
that:
- "{{ result is not changed }}"
- name: 'Define an expiration time'
<<: *task_parameters
postgresql_user:
<<: *parameters
expires: '2025-01-01'
environment:
PGCLIENTENCODING: 'UTF8'
- <<: *changed
- name: 'Redefine the same expiration time'
<<: *task_parameters
postgresql_user:
expires: '2025-01-01'
<<: *parameters
environment:
PGCLIENTENCODING: 'UTF8'
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- block:
- name: 'Using MD5-hashed password: check that password not changed when using cleartext password'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: '{{ db_password1 }}'
encrypted: 'yes'
environment:
PGCLIENTENCODING: 'UTF8'
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- name: "Using MD5-hashed password: check that password not changed when using md5 hash with 'ENCRYPTED'"
<<: *task_parameters
postgresql_user:
<<: *parameters
password: "md5{{ (db_password1 ~ db_user1) | hash('md5')}}"
encrypted: 'yes'
environment:
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- name: "Using MD5-hashed password: check that password not changed when using md5 hash with 'UNENCRYPTED'"
<<: *task_parameters
postgresql_user:
<<: *parameters
password: "md5{{ (db_password1 ~ db_user1) | hash('md5')}}"
encrypted: 'no'
environment:
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- name: 'Redefine the same expiration time and password (encrypted)'
<<: *task_parameters
postgresql_user:
<<: *parameters
encrypted: 'yes'
password: "md5{{ (db_password1 ~ db_user1) | hash('md5')}}"
expires: '2025-01-01'
environment:
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- name: 'Using MD5-hashed password: check that password changed when using another cleartext password'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: 'prefix{{ db_password1 }}'
encrypted: 'yes'
environment:
PGCLIENTENCODING: 'UTF8'
- <<: *changed
- name: "Using MD5-hashed password: check that password changed when using another md5 hash with 'ENCRYPTED'"
<<: *task_parameters
postgresql_user:
<<: *parameters
password: "md5{{ ('prefix1' ~ db_password1 ~ db_user1) | hash('md5')}}"
encrypted: 'yes'
- <<: *changed
- name: "Using MD5-hashed password: check that password changed when using md5 hash with 'UNENCRYPTED'"
<<: *task_parameters
postgresql_user:
<<: *parameters
password: "md5{{ ('prefix2' ~ db_password1 ~ db_user1) | hash('md5')}}"
encrypted: 'no'
- <<: *changed
- name: 'Using MD5-hashed password: check that password changed when clearing the password'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: ''
encrypted: 'yes'
environment:
PGCLIENTENCODING: 'UTF8'
- <<: *changed
- name: 'Using MD5-hashed password: check that password not changed when clearing the password again'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: ''
encrypted: 'yes'
environment:
PGCLIENTENCODING: 'UTF8'
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- name: 'Using cleartext password: check that password not changed when clearing the password again'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: ''
encrypted: 'no'
environment:
PGCLIENTENCODING: 'UTF8'
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- name: 'Using MD5-hashed password: check that password changed when using a cleartext password'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: '{{ db_password1 }}'
encrypted: 'yes'
environment:
PGCLIENTENCODING: 'UTF8'
- <<: *changed
when: encrypted == 'yes'
- block:
- name: 'Using cleartext password: check that password not changed when using cleartext password'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: "{{ db_password1 }}"
encrypted: 'no'
environment:
PGCLIENTENCODING: 'UTF8'
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- name: 'Redefine the same expiration time and password (not encrypted)'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: "{{ db_password1 }}"
encrypted: 'no'
expires: '2025-01-01'
environment:
PGCLIENTENCODING: 'UTF8'
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- name: 'Using cleartext password: check that password changed when using another cleartext password'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: "changed{{ db_password1 }}"
encrypted: 'no'
environment:
PGCLIENTENCODING: 'UTF8'
- <<: *changed
- name: 'Using cleartext password: check that password changed when clearing the password'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: ''
encrypted: 'no'
environment:
PGCLIENTENCODING: 'UTF8'
- <<: *changed
- name: 'Using cleartext password: check that password not changed when clearing the password again'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: ''
encrypted: 'no'
environment:
PGCLIENTENCODING: 'UTF8'
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- name: 'Using MD5-hashed password: check that password not changed when clearing the password again'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: ''
encrypted: 'yes'
environment:
PGCLIENTENCODING: 'UTF8'
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
- name: 'Using cleartext password: check that password changed when using cleartext password'
<<: *task_parameters
postgresql_user:
<<: *parameters
password: "{{ db_password1 }}"
encrypted: 'no'
environment:
PGCLIENTENCODING: 'UTF8'
- <<: *changed
when: encrypted == 'no'
- name: Remove user
<<: *task_parameters
postgresql_user:
state: 'absent'
<<: *parameters
- <<: *changed
- name: Check that they were removed
<<: *task_parameters
shell: echo "select * from pg_user where usename='{{ db_user1 }}';" | psql -d postgres
environment:
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- assert:
that:
- "result.stdout_lines[-1] == '(0 rows)'"
- name: Check that removing user a second time does nothing
<<: *task_parameters
postgresql_user:
state: 'absent'
<<: *parameters
environment:
PGOPTIONS: '-c default_transaction_read_only=on' # ensure 'alter user' query isn't executed
- <<: *not_changed
always:
- name: Remove user
<<: *task_parameters
postgresql_user:
state: 'absent'
<<: *parameters
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