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---
# Should this be run in a serial manner?
- set_fact:
l_etcd_service: "{{ 'etcd_container' if openshift.common.is_containerized else 'etcd' }}"
- name: Disable etcd members
service:
name: "{{ l_etcd_service }}"
state: stopped
# Should we skip all TTL keys? https://bugzilla.redhat.com/show_bug.cgi?id=1389773
- name: Migrate etcd data
command: >
etcdctl migrate --data-dir={{ etcd_data_dir }}
environment:
ETCDCTL_API: 3
register: l_etcdctl_migrate
# TODO(jchaloup): If any of the members fails, we need to restore all members to v2 from the pre-migrate backup
- name: Check the etcd v2 data are correctly migrated
fail:
msg: "Failed to migrate a member"
when: "'finished transforming keys' not in l_etcdctl_migrate.stdout and 'no v2 keys to migrate' not in l_etcdctl_migrate.stdout"
- name: Migration message
debug:
msg: "Etcd migration finished with: {{ l_etcdctl_migrate.stdout }}"
- name: Enable etcd member
service:
name: "{{ l_etcd_service }}"
state: started
- name: Wait for cluster to become healthy after migration
command: >
etcdctl --cert-file {{ etcd_peer_cert_file }} --key-file {{ etcd_peer_key_file }} --ca-file {{ etcd_peer_ca_file }} --endpoint https://{{ etcd_peer }}:{{ etcd_client_port }} cluster-health
register: l_etcd_migrate_health
until: l_etcd_migrate_health.rc == 0
retries: 3
delay: 30
run_once: true
# NOTE: /usr/local/bin may be removed from the PATH by ansible hence why
# it's added to the environment in this task.
- name: Re-introduce leases (as a replacement for key TTLs)
command: >
oadm migrate etcd-ttl \
--cert {{ r_etcd_common_master_peer_cert_file }} \
--key {{ r_etcd_common_master_peer_key_file }} \
--cacert {{ r_etcd_common_master_peer_ca_file }} \
--etcd-address 'https://{{ etcd_peer }}:{{ etcd_client_port }}' \
--ttl-keys-prefix {{ item }} \
--lease-duration 1h
environment:
ETCDCTL_API: 3
PATH: "/usr/local/bin:/var/usrlocal/bin:{{ ansible_env.PATH }}"
with_items:
- "/kubernetes.io/events"
- "/kubernetes.io/masterleases"
delegate_to: "{{ groups.oo_first_master[0] }}"
run_once: true
- set_fact:
r_etcd_migrate_success: true
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