---
- name: create new scale group
  hosts: localhost
  tasks:
  - name: build upgrade scale groups
    include_role:
      name: openshift_aws
      tasks_from: upgrade_node_group.yml

  - fail:
      msg: "Ensure that new scale groups were provisioned before proceeding to update."
    when:
    - "'oo_sg_new_nodes' not in groups or groups.oo_sg_new_nodes|length == 0"

- name: initialize upgrade bits
  include: init.yml

- name: Drain and upgrade nodes
  hosts: oo_sg_current_nodes
  # This var must be set with -e on invocation, as it is not a per-host inventory var
  # and is evaluated early. Values such as "20%" can also be used.
  serial: "{{ openshift_upgrade_nodes_serial | default(1) }}"
  max_fail_percentage: "{{ openshift_upgrade_nodes_max_fail_percentage | default(0) }}"

  pre_tasks:
  - name: Load lib_openshift modules
    include_role:
      name: ../roles/lib_openshift

  # TODO: To better handle re-trying failed upgrades, it would be nice to check if the node
  # or docker actually needs an upgrade before proceeding. Perhaps best to save this until
  # we merge upgrade functionality into the base roles and a normal config.yml playbook run.
  - name: Mark node unschedulable
    oc_adm_manage_node:
      node: "{{ openshift.node.nodename | lower }}"
      schedulable: False
    delegate_to: "{{ groups.oo_first_master.0 }}"
    retries: 10
    delay: 5
    register: node_unschedulable
    until: node_unschedulable|succeeded

  - name: Drain Node for Kubelet upgrade
    command: >
      {{ hostvars[groups.oo_first_master.0].openshift.common.client_binary }} adm drain {{ openshift.node.nodename | lower }} --config={{ openshift.common.config_base }}/master/admin.kubeconfig --force --delete-local-data --ignore-daemonsets
    delegate_to: "{{ groups.oo_first_master.0 }}"
    register: l_upgrade_nodes_drain_result
    until: not l_upgrade_nodes_drain_result | failed
    retries: 60
    delay: 60

# Alright, let's clean up!
- name: clean up the old scale group
  hosts: localhost
  tasks:
  - name: clean up scale group
    include_role:
      name: openshift_aws
      tasks_from: remove_scale_group.yml