ansible/roles/postgresql_server/tasks/main.yml

---
#
# Setup postgresql server.
#
- name: On db-koji01 and db-riscv-koji01 and db01.stg and db-fas01 and db01 and db-openqa01 enable the postgresql 16 module.
  ansible.builtin.copy:
    dest: /etc/dnf/modules.d/postgresql.module
    content: |
      [postgresql]
      name=postgresql
      stream=16
      profiles=
      state=enabled
  when: inventory_hostname.startswith(('db-koji01','db-riscv-koji01','db01.stg','db-fas01','db01','db-openqa01'))

- name: Install postgresql server packages (Fedora)
  ansible.builtin.package:
    state: present
    name:
    - postgresql-server
    - postgresql-contrib
    - postgresql-plpython3
    - python3-psycopg2
    - pxz
    - mbuffer
  when: ansible_distribution_major_version|int >= 29 and ansible_distribution == 'Fedora' and ansible_cmdline.ostree is not defined
  tags:
  - packages
  - postgresql

- name: Install postgresql server packages (EL >= 8)
  ansible.builtin.package:
    state: present
    name:
    - postgresql-server
    - postgresql-contrib
    - postgresql-plpython3
    - python3-psycopg2
    - pxz
    - mbuffer
  when: ansible_distribution_major_version|int >= 8 and ansible_distribution == 'RedHat' and ansible_cmdline.ostree is not defined
  tags:
  - packages
  - postgresql

- name: Set kernel shared memory max to a larger value
  sysctl: name=kernel.shmmax value={{ kernel_shmmax }}
  when: kernel_shmmax is defined
  notify:
  - Restart postgresql
  tags:
  - postgresql

- name: Initialize postgres if necessary
  ansible.builtin.command: /usr/bin/postgresql-setup initdb
           creates=/var/lib/pgsql/data/postgresql.conf
  notify:
  - Restart postgresql
  tags:
  - postgresql

- name: Set postgresql-server to run on boot
  service: name=postgresql enabled=yes
  ignore_errors: true
  notify:
  - Restart postgresql
  tags:
  - service
  - postgresql

- name: Add our postgres config file.
  ansible.builtin.copy: >
    src={{ item }}
    dest=/var/lib/pgsql/data/{{ item }}
    owner=postgres
  with_items:
  - pg_hba.conf
  notify:
  - Restart postgresql
  tags:
  - config
  - postgresql

- name: Postgresql config template (el9 / postgresql 15)
  ansible.builtin.template: dest=/var/lib/pgsql/data/postgresql.conf src=postgresql.conf-15
  when: (ansible_distribution_major_version|int == 9 and ansible_distribution == 'RedHat')
  notify:
  - Restart postgresql
  tags:
  - config
  - postgresql

- name: Postgresql config template (el9 / postgresql 16)
  ansible.builtin.template: dest=/var/lib/pgsql/data/postgresql.conf src=postgresql.conf-16
  when: (ansible_distribution_major_version|int == 9 and ansible_distribution == 'RedHat')
  notify:
  - Restart postgresql
  tags:
  - config
  - postgresql

- name: Ensure postgres has a place to backup to
  ansible.builtin.file: dest=/backups state=directory owner=postgres
  tags:
  - postgresql

- name: Copy over backup scriplet
  ansible.builtin.copy: src=backup-database dest=/usr/local/bin/backup-database mode=0755
  when: not inventory_hostname.startswith(('db-koji01.rdu3', 'db-datanommer'))
  tags:
  - postgresql

  #  Main koji is _big_ so we don't keep multiple copies of backups, so special
  # backup script. Smaller koji's are fine with the default N backups.
- name: Copy over backup scriplet
  ansible.builtin.copy: src=backup-database.db-koji01 dest=/usr/local/bin/backup-database mode=0755
  when: inventory_hostname.startswith('db-koji01.rdu3')
  tags:
  - postgresql

- name: Copy over backup scriplet
  ansible.builtin.copy: src=backup-database.db-datanommer02 dest=/usr/local/bin/backup-database mode=0755
  when: inventory_hostname.startswith('db-datanommer02.rdu3')
  tags:
  - postgresql

- name: Copy over anitya public backup scriplet
  ansible.builtin.copy: src=backup-database.anitya dest=/usr/local/bin/backup-database.anitya mode=0755
  tags:
  - postgresql
  when: inventory_hostname.startswith('db01.rdu3')

- name: Copy over anitya public backup cron
  ansible.builtin.copy: src=cron-backup-anitya-public dest=/etc/cron.d/cron-backup-anitya-public mode=0644
  tags:
  - postgresql
  when: inventory_hostname.startswith('db01.rdu3')

- name: Set up some cronjobs to backup databases as configured
  ansible.builtin.template: >
    src=cron-backup-database
    dest=/etc/cron.d/cron-backup-database-{{ item }}
  with_items:
  - "{{ dbs_to_backup }}"
  when: dbs_to_backup != []
  tags:
  - cron
  - postgresql

- name: Set up datanommer/datagrepper SAR script
  ansible.builtin.copy: >
    src=datagrepper_sar.py
    dest=/usr/local/bin/datagrepper_sar.py mode=0700
  when: inventory_hostname.startswith('db-datanommer01')
  tags:
  - postgresql
  - SAR
  - GBDR

- import_tasks: datanommer.yml
  when: inventory_hostname.startswith('db-datanommer')