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# Playbook which preps migration and then invokes the migration script.
- name: Install migration tool
hosts: undercloud
become: true
tasks:
- name: Install python 3 virtualenv and neutron ovn migration tool
yum:
name:
- python3-virtualenv
- python3-neutron-ovn-migration-tool
state: present
- name: Set host_key_checking to False in ansible.cfg
ini_file:
path=/etc/ansible/ansible.cfg
section=defaults
option=host_key_checking
value=False
ignore_errors: yes
- name: Prepare for migration
hosts: undercloud
tasks:
- name: Set ovn migration working dir
set_fact:
ovn_migration_working_dir: /home/stack/ovn_migration
- name: Delete temp file directory if present
file:
state: absent
path: "{{ ovn_migration_working_dir }}"
- name : Create temp file directory if not present
file:
state: directory
path: "{{ ovn_migration_working_dir }}"
- name: Set the image registry information
block:
- name: Get the image registry info (infrared deployment)
block:
- name: Set is_infrard deployment
set_fact:
is_infrared: True
- name: Save the image reg
set_fact:
container_image_prepare:
namespace: "{{ install.get('registry', {}).namespace|default(False)|ternary(install.get('registry', {}).namespace, install.get('registry', {}).mirror + '/' + 'rhosp' + install.version) }}"
prefix: "{{ install.registry.prefix|default('openstack') }}"
tag: "{{ install.registry.tag|default('') }}"
local_namespace: "{{ install.registry.local|default('') }}"
is_dvr: "{{ install.dvr }}"
when:
- install is defined
- name: Get the image registry info (tripleo deployment)
block:
- name: Set is_infrard deployment
set_fact:
is_infrared: False
- name: Save the image reg
set_fact:
container_image_prepare:
namespace: "{{ registry_namespace }}"
local_namespace: "{{ registry_localnamespace }}"
prefix: "{{ registry_prefix }}"
tag: "{{ registry_tag }}"
is_dvr: "{{ dvr }}"
when:
- install is not defined
- name: Prepare for migration
include_role:
name: prepare-migration
vars:
infrared_deployment: "{{ is_infrared }}"
registry_namespace: "{{ container_image_prepare['namespace'] }}"
image_prefix: "{{ container_image_prepare['prefix'] }}"
image_tag: "{{ container_image_prepare['tag'] }}"
local_namespace: "{{ container_image_prepare['local_namespace'] }}"
is_dvr: "{{ container_image_prepare['is_dvr'] }}"
- name: Boot few VMs to measure downtime
hosts: undercloud
tasks:
- name: Check if need to create resources
block:
- name: Set create_vms (infrared)
set_fact:
create_vms: "{{ install.create_resources }}"
when:
- install is defined
- name: Set create_vms (tripleo deployment)
set_fact:
create_vms: "{{ create_resources }}"
when:
- install is not defined
- name: Create few resources
block:
- name: Set the public network name (infrared deployment)
set_fact:
public_net: "{{ install.external_network }}"
when: install is defined
- name: Set the public network name (Tripleo deployment)
set_fact:
public_net: "{{ external_network }}"
when: install is not defined
- name: Set the image name (infrared deployment)
set_fact:
image_to_boot: "{{ install.image_name }}"
when: install is defined
- name: Set the image name(Tripleo deployment)
set_fact:
image_to_boot: "{{ image_name }}"
when: install is not defined
- name: Create resources
include_role:
name: create-resources
vars:
public_network_name: "{{ public_net }}"
image_name: "{{ image_to_boot }}"
ovn_migration_temp_dir: /home/stack/ovn_migration
overcloudrc: /home/stack/overcloudrc
when:
- create_vms|bool
- name: Kick start the migration
hosts: undercloud
tasks:
#TODO: Get the working dir from the param
- name: Starting migration block
block:
- name: Set ovn migration working dir
set_fact:
ovn_migration_working_dir: /home/stack/ovn_migration
- name: Copy the playbook files into ovn_migration working dir
command: cp -rf /usr/share/ansible/neutron-ovn-migration/playbooks {{ ovn_migration_working_dir }}
- name: Set the public network name (infrared deployment)
set_fact:
public_network: "{{ install.external_network }}"
when: install is defined
- name: Set the public network name (Tripleo deployment)
set_fact:
public_network: "{{ external_network }}"
when: install is not defined
- name: Create ovn migration script
template:
src: templates/start-ovn-migration.sh.j2
dest: "{{ ovn_migration_working_dir }}/start-ovn-migration.sh"
mode: 0755
- name: Generate inventory file for ovn migration
shell:
set -o pipefail &&
{{ ovn_migration_working_dir }}/start-ovn-migration.sh generate-inventory 2>&1 > {{ ovn_migration_working_dir}}/generate-inventory.log
- name: Set MTU T1
shell:
set -o pipefail &&
{{ ovn_migration_working_dir }}/start-ovn-migration.sh setup-mtu-t1 2>&1 > {{ ovn_migration_working_dir}}/setup-mtu-t1.log
- name: Reduce mtu of the pre migration networks
shell:
set -o pipefail &&
{{ ovn_migration_working_dir }}/start-ovn-migration.sh reduce-mtu 2>&1 > {{ ovn_migration_working_dir}}/reduce-mtu.log
- name: Start the migration process
shell:
set -o pipefail &&
{{ ovn_migration_working_dir }}/start-ovn-migration.sh start-migration 2>&1
> {{ ovn_migration_working_dir}}/start-ovn-migration.sh.log
- name: Stop pinger if started
shell:
echo "exit" > {{ ovn_migration_working_dir}}/_pinger_cmd.txt
always:
- name: Fetch ovn_migration log directory
synchronize:
src: "{{ ovn_migration_working_dir }}"
dest: "{{ inventory_dir }}"
mode: pull
when: install is defined
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