---
######################################################################
# Tasks to run on all hosts at once before we begin a release.
- name: Preflight
  hosts: javawebqa
  user: root
  vars_files:
      - site-vars/nagios-services/javaweb.yaml
      - site-vars/qa.yaml
  tasks:
      # Downtime for all apps and services being shut down.
      - include: tasks/nagios.yaml tags=services,balancerpools minutes=60
        tags: [roll,update]

      # Stop automatic updates from happening during the release.
      - include: tasks/puppet.yaml tags=disable
        tags: update

######################################################################
# This is the window in which we push all puppet updates into git and
# double check all new RPMs are present in their respective
# repositories.
- name: Ready prompt
  hosts: localhost
  vars_prompt:
      continue: "Press enter to begin the rolling update:"
  # Or in the future:
  # tasks:
  #     - name: Continue prompt
  #       pause: prompt="Press enter to begin the rolling update:"

######################################################################
# Begin the rolling update process
- name: Rolling Update
  hosts: javawebqa
  user: root
  serial: 1
  vars_files:
      - site-vars/qa.yaml
      - site-vars/nagios-services/javaweb.yaml
  tasks:
      # Disable node in balancer pairs
      - include: tasks/bigip.yaml tags=disable
        tags: [roll,update]

      - include: tasks/modjk.yaml tags=proxyjavaweb_disable
        tags: [roll,update]

      # Shut it down. This isn't always pretty.
      - include: tasks/jboss.yaml tags=stop
        tags: [roll,update]

      # Updating. This step is skipped if we are just performing a
      # rolling restart of the cluster.
      - include: tasks/puppet.yaml tags=run
        tags: update

      # Start it up
      - include: tasks/jboss.yaml tags=start
        tags: [roll,update]

      # Validation. This task doesn't officially exist yet but it's
      # necessary to our release process due to the poor behavior of
      # the cluster.
      - pause: prompt=Verify jboss has started without any critical errors
        tags: [roll,update]

      # Enable node in balancer pairs
      - include: tasks/modjk.yaml tags=proxyjavaweb_enable
        tags: [roll,update]

      - include: tasks/bigip.yaml tags=enable
        tags: [roll,update]

######################################################################
# End everything by performing a manual configuration sync between the
# bigip pairs in the production environment to resolve any perceived
# state differences.
- name: Config sync
  hosts: localhost
  tasks:
    - include: tasks/bigip.yaml tags=sync env=qa
      tags: [roll,update]