community.general/test/integration/targets/postgresql/tasks/state_dump_restore.yml

# test code for state dump and restore for postgresql_db module
# copied from mysql_db/tasks/state_dump_import.yml
# (c) 2014,  Wayne Rosario <wrosario@ansible.com>

# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
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#
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# GNU General Public License for more details.
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# ============================================================
- set_fact: db_file_name="{{tmp_dir}}/{{file}}"

- set_fact:
     admin_str: "psql -U {{ pg_user }}"
     admin_map:
         name: "{{ db_name }}"
         owner: "{{ db_user1 }}"
         login_user: "{{ pg_user }}"

- set_fact:
     user_str: "env PGPASSWORD=password psql -h localhost -U {{ db_user1 }} {{ db_name }}"
     user_map:
         name: "{{ db_name }}"
         target: "{{ db_file_name }}"
         target_opts: "-n public"
         owner: "{{ db_user1 }}"
         login_host: "localhost"
         login_user: "{{ db_user1 }}"
         login_password: "password"
  when: test_fixture == "user"
  # "-n public" is required to work around pg_restore issues with plpgsql

- set_fact:
     user_str: "psql -U {{ pg_user }} {{ db_name }}"
     user_map:
         name: "{{ db_name }}"
         target: "{{ db_file_name }}"
         owner: "{{ db_user1 }}"
         login_user: "{{ pg_user }}"
  when: test_fixture == "admin"

- set_fact:
     sql_create: "create table employee(id int, name varchar(100));"
     sql_insert: "insert into employee values (47,'Joe Smith');"
     sql_select: "select * from  employee;"

- name: state dump/restore - create database
  postgresql_db: "{{ admin_map | combine({'state': 'present'}) }}"

- name: state dump/restore - create table employee
  command: '{{ user_str }} -c "{{ sql_create }}"'

- name: state dump/restore - insert data into table employee
  command: '{{ user_str }} -c "{{ sql_insert }}"'

- name: state dump/restore - file name should not exist
  file: name={{ db_file_name }} state=absent

- name: test state=dump to backup the database (expect changed=true)
  postgresql_db: "{{ user_map | combine({'state': 'dump'}) }}"
  register: result
  become_user: "{{ pg_user }}"
  become: True

- name: assert output message backup the database
  assert:
    that:
       - "result.changed == true"

- name: assert database was backed up successfully
  command: file {{ db_file_name }}
  register: result

- name: state dump/restore - remove database for restore
  postgresql_db: "{{ user_map | combine({'state': 'absent'}) }}"

- name: state dump/restore - re-create database
  postgresql_db: "{{ admin_map | combine({'state': 'present'}) }}"

- name: test state=restore to restore the database (expect changed=true)
  postgresql_db: "{{ user_map | combine({'state': 'restore'}) }}"
  register: result
  become_user: "{{ pg_user }}"
  become: True

- name: assert output message restore the database
  assert: { that: "result.changed == true" }

- name: select data from table employee
  command: '{{ user_str }} -c "{{ sql_select }}"'
  register: result

- name: assert data in database is from the restore database
  assert:
    that:
       - "'47' in result.stdout"
       - "'Joe Smith' in result.stdout"

- name: state dump/restore - remove database name
  postgresql_db: "{{ user_map | combine({'state': 'absent'}) }}"

- name: remove file name
  file: name={{ db_file_name }}  state=absent