ansible/roles/postgresql_server/tasks/main.yml

---
#
# Setup postgresql server.
#
- name: install postgresql server packages (yum)
  package: name={{ item }}  state=present
  with_items:
  - postgresql-server
  - postgresql-contrib
  - postgresql-plpython
  - python-psycopg2
  - pxz
  when: ansible_distribution_major_version|int < 22
  tags:
  - packages
  - postgresql

- name: install postgresql server packages (dnf)
  dnf: name={{ item }}  state=present
  with_items:
  - postgresql-server
  - postgresql-contrib
  - postgresql-plpython
  - python-psycopg2
  - pxz
  when: ansible_distribution_major_version|int > 21 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
  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.
  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
  template: dest=/var/lib/pgsql/data/postgresql.conf src=postgresql.conf
  notify:
  - restart postgresql
  tags:
  - config
  - postgresql

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

- name: Copy over backup scriplet
  copy: src=backup-database dest=/usr/local/bin/backup-database mode=0755
  tags:
  - postgresql

- name: Set up some cronjobs to backup databases as configured
  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 a cron job to clean long koji sessions on koji database server only
  copy: >
    src=koji-cleanup-sessions.cron
    dest=/etc/cron.d/koji-cleanup-sessions.cron
  when: inventory_hostname.startswith('db-koji01')
  tags:
  - cron
  - postgresql

- name: install script to kill long running pgsql jobs
  copy: >
    src=kill_idle_xact_92.sh
    dest=/usr/local/bin/kill_idle_xact_92.sh
    mode=0755
  when: inventory_hostname.startswith('db-koji01')
  tags:
  - cron
  - postgresql

- name: Set up a cron job to kill long postresql queries
  copy: >
    src=koji-cleanup-locks.cron
    dest=/etc/cron.d/koji-cleanup-locks.cron
  when: inventory_hostname.startswith('db-koji01')
  tags:
  - cron
  - postgresql

- name: Set up a script for cron job to clean long fas sessions on fas database server only
  copy: >
    src=fasdb-cleanup-sessions
    dest=/usr/local/bin/fasdb-cleanup-sessions
    mode=755
  when: inventory_hostname.startswith('db-fas01')
  tags:
  - cron
  - postgresql

- name: Set up a cron job to clean long fas sessions on fas database server only
  copy: >
    src=fasdb-cleanup-sessions.cron
    dest=/etc/cron.d/fasdb-cleanup-sessions.cron
  when: inventory_hostname.startswith('db-fas01')
  tags:
  - cron
  - postgresql

- name: Set up datanommer/datagrepper SAR script
  copy: >
    src=datagrepper_sar.py
    dest=/usr/local/bin/datagrepper_sar.py mode=0700
  when: inventory_hostname.startswith(('db-datanommer02', 'pgbdr01.stg'))
  tags:
  - postgresql
  - SAR
  - GBDR