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|
---
- name: Check if the master has embedded etcd
hosts: localhost
connection: local
become: no
gather_facts: no
tags:
- always
tasks:
- fail:
msg: "Migration of an embedded etcd is not supported. Please, migrate the embedded etcd into an external etcd first."
when:
- groups.oo_etcd_to_config | default([]) | length == 0
- name: Run pre-checks
hosts: oo_etcd_to_migrate
tasks:
- include_role:
name: etcd
tasks_from: migrate.pre_check
vars:
r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}"
etcd_peer: "{{ ansible_default_ipv4.address }}"
# TODO: This will be different for release-3.6 branch
- name: Prepare masters for etcd data migration
hosts: oo_masters_to_config
tasks:
- set_fact:
master_services:
- "{{ openshift.common.service_type + '-master-controllers' }}"
- "{{ openshift.common.service_type + '-master-api' }}"
- debug:
msg: "master service name: {{ master_services }}"
- name: Stop masters
service:
name: "{{ item }}"
state: stopped
with_items: "{{ master_services }}"
- name: Backup v2 data
hosts: oo_etcd_to_migrate
gather_facts: no
roles:
- role: openshift_facts
post_tasks:
- include_role:
name: etcd
tasks_from: backup
vars:
r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
r_etcd_common_backup_tag: pre-migration
r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}"
r_etcd_common_backup_sufix_name: "{{ lookup('pipe', 'date +%Y%m%d%H%M%S') }}"
- name: Gate on etcd backup
hosts: localhost
connection: local
become: no
tasks:
- set_fact:
etcd_backup_completed: "{{ hostvars
| oo_select_keys(groups.oo_etcd_to_migrate)
| oo_collect('inventory_hostname', {'r_etcd_common_backup_complete': true}) }}"
- set_fact:
etcd_backup_failed: "{{ groups.oo_etcd_to_migrate | difference(etcd_backup_completed) | list }}"
- fail:
msg: "Migration cannot continue. The following hosts did not complete etcd backup: {{ etcd_backup_failed | join(',') }}"
when:
- etcd_backup_failed | length > 0
- name: Stop etcd
hosts: oo_etcd_to_migrate
gather_facts: no
pre_tasks:
- include_role:
name: etcd
tasks_from: disable_etcd
vars:
r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
- name: Migrate data on first etcd
hosts: oo_etcd_to_migrate[0]
gather_facts: no
tasks:
- include_role:
name: etcd
tasks_from: migrate
vars:
r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}"
etcd_peer: "{{ openshift.common.ip }}"
etcd_url_scheme: "https"
etcd_peer_url_scheme: "https"
- name: Clean data stores on remaining etcd hosts
hosts: oo_etcd_to_migrate[1:]
gather_facts: no
tasks:
- include_role:
name: etcd
tasks_from: clean_data
vars:
r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}"
etcd_peer: "{{ openshift.common.ip }}"
etcd_url_scheme: "https"
etcd_peer_url_scheme: "https"
- name: Add etcd hosts
delegate_to: localhost
add_host:
name: "{{ item }}"
groups: oo_new_etcd_to_config
ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
ansible_become: "{{ g_sudo | default(omit) }}"
with_items: "{{ groups.oo_etcd_to_migrate[1:] | default([]) }}"
changed_when: no
- name: Set success
set_fact:
r_etcd_migrate_success: true
- include: ./scaleup.yml
- name: Gate on etcd migration
hosts: oo_masters_to_config
gather_facts: no
tasks:
- set_fact:
etcd_migration_completed: "{{ hostvars
| oo_select_keys(groups.oo_etcd_to_migrate)
| oo_collect('inventory_hostname', {'r_etcd_migrate_success': true}) }}"
- set_fact:
etcd_migration_failed: "{{ groups.oo_etcd_to_migrate | difference(etcd_migration_completed) | list }}"
- name: Add TTLs on the first master
hosts: oo_first_master[0]
tasks:
- include_role:
name: etcd
tasks_from: migrate.add_ttls
vars:
etcd_peer: "{{ hostvars[groups.oo_etcd_to_migrate.0].openshift.common.ip }}"
etcd_url_scheme: "https"
etcd_peer_url_scheme: "https"
when: etcd_migration_failed | length == 0
- name: Configure masters if etcd data migration is succesfull
hosts: oo_masters_to_config
tasks:
- include_role:
name: etcd
tasks_from: migrate.configure_master
when: etcd_migration_failed | length == 0
- debug:
msg: "Skipping master re-configuration since migration failed."
when:
- etcd_migration_failed | length > 0
- name: Start master services
service:
name: "{{ item }}"
state: started
register: service_status
# Sometimes the master-api, resp. master-controllers fails to start for the first time
until: service_status.state is defined and service_status.state == "started"
retries: 5
delay: 10
with_items: "{{ master_services[::-1] }}"
- fail:
msg: "Migration failed. The following hosts were not properly migrated: {{ etcd_migration_failed | join(',') }}"
when:
- etcd_migration_failed | length > 0
|
