---
# Copyright 2016, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: Disable/delete the services with CLIs
  hosts: utility_all[0]
  user: root
  vars:
    services:
      - name: "nova"
        list_command: " service-list "
        awk_filter: "/_container.*down/"
        awk_print_column: '$6" "$4'
        delete_command: " service-disable "
        post_command: "sleep 5"
      - name: "nova"
        list_command: " service-list "
        awk_filter: "/_container.*down/"
        awk_print_column: "$2"
        delete_command: " service-delete "
      - name: "cinder"
        list_command: " service-list "
        awk_filter: "/_container.*down/"
        awk_print_column: '$4" "$2'
        delete_command: " service-disable "
      - name: "neutron"
        list_command: " agent-list "
        awk_filter: "/_container.*xxx/"
        awk_print_column: "$2"
        delete_command: " agent-update --admin-state-down "
        post_command: "sleep 5"
      - name: "neutron"
        list_command: " agent-list "
        awk_filter: "/_container.*xxx/"
        awk_print_column: "$2"
        delete_command: " agent-delete "
  tasks:
    - name: Registering what to disable
      shell: |
        . {{ ansible_env.HOME }}/openrc
        {{ item.name }} {{ item.list_command}} | awk '{{ item.awk_filter }}{print {{ item.awk_print_column }} }'
      register: to_disable
      with_items: "{{ services }}"
      args:
        executable: /bin/bash

    - name: showing the list of items
      debug:
        msg: "We will delete the following item for {{ item.0.item.name }}: {{ item.1 }}"
      with_subelements:
        - to_disable.results
        - stdout_lines

    - name: Disabling or deleting the services/agents
      shell: |
        . {{ ansible_env.HOME }}/openrc
        {{ item.0.item.name }} {{ item.0.item.delete_command }} {{ item.1 }}
        {{ item.0.item.post_command | default('')}}
      with_subelements:
        - to_disable.results
        - stdout_lines
      args:
        executable: /bin/bash

- name: Apply cinder changes with cinder-manage
  hosts: cinder_all[0]
  user: root
  tasks:
    - name: Removing the cinder services with old container hostnames
      shell: |
        . /openstack/venvs/cinder-{{openstack_release}}/bin/activate
        cinder-manage service list \
          | awk '/.*_container.*XXX/{print $1" "$2}'\
          | while read line; do
            cinder-manage service remove $line;
            done
      args:
        executable: /bin/bash
    - name: Move the cinder volumes running in containers to new hostnames
      shell: |
        . /openstack/venvs/cinder-{{openstack_release}}/bin/activate
        cinder-manage service list \
          | awk '/volume.*_container.*XXX/{print $2 }'\
          | while IFS=@ read cinderhost cinderbackend; do
            cinder-manage volume update_host \
              --currenthost $cinderhost@$cinderbackend \
              --newhost ${cinderhost//_/-}@$cinderbackend;
            done
      args:
        executable: /bin/bash

- name: Cleanup layer2 ports
  gather_facts: no
  hosts: utility_all[0]
  tasks:
    - name: disable and delete new ports
      # list all the ports, sort them by network and then state in the reverse order.
      # Save the network if there is an old dhcp port to migrate. Check if there are
      # dhcp ports in the same network that are active. Print them for deletion.
      shell: |
        . {{ ansible_env.HOME }}/openrc
        neutron port-list -c id -c device_owner -c binding:host_id -c status \
          -c network_id  -f value | sort -k 5 -k 4 -r | \
          awk '/dhcp.*BUILD/{net=$5}; /dhcp.*ACTIVE/{if(net==$5){print $1}}' | \
          while read portid; do
            neutron port-update --admin-state-up False $portid
            sleep 1
            neutron port-delete $portid
            done
      args:
        executable: /bin/bash