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postgresql_db: add note to doc about pg_dump (#57297)

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* postgresql_db: add note to doc about pg_dump

* Update lib/ansible/modules/database/postgresql/postgresql_db.py

Co-Authored-By: Abhijeet Kasurde <akasurde@redhat.com>
This commit is contained in:
Andrey Klychkov 2019-06-03 12:19:06 +03:00 committed by ansibot
parent 96bf243265
commit fecffea370
1 changed files with 4 additions and 0 deletions
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4
lib/ansible/modules/database/postgresql/postgresql_db.py
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@ -65,6 +65,10 @@ options:
- C(present) implies that the database should be created if necessary. - C(present) implies that the database should be created if necessary.
- C(absent) implies that the database should be removed if present. - C(absent) implies that the database should be removed if present.
- C(dump) requires a target definition to which the database will be backed up. (Added in Ansible 2.4) - C(dump) requires a target definition to which the database will be backed up. (Added in Ansible 2.4)
Note that in some PostgreSQL versions of pg_dump, which is an embedded PostgreSQL utility and is used by the module,
returns rc 0 even when errors occurred (e.g. the connection is forbidden by pg_hba.conf, etc.),
so the module returns changed=True but the dump has not actually been done. Please, be sure that your version of
pg_dump returns rc 1 in this case.
- C(restore) also requires a target definition from which the database will be restored. (Added in Ansible 2.4) - C(restore) also requires a target definition from which the database will be restored. (Added in Ansible 2.4)
- The format of the backup will be detected based on the target name. - The format of the backup will be detected based on the target name.
- Supported compression formats for dump and restore include C(.bz2), C(.gz) and C(.xz) - Supported compression formats for dump and restore include C(.bz2), C(.gz) and C(.xz)