Commit 71cebf80 authored by Guillaume Abrioux's avatar Guillaume Abrioux Committed by Dimitri Savineau
Browse files

update: follow new recommandation to upgrade mds cluster

Refact the mds cluster upgrade code in order to follow the documented
recommandation.
See: https://github.com/ceph/ceph/blob/master/doc/cephfs/upgrading.rst

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1569689

Signed-off-by: default avatarGuillaume Abrioux <gabrioux@redhat.com>
parent b63bd130
......@@ -536,25 +536,91 @@
- (ceph_versions.get('stdout', '{}')|from_json).get('osd', {}) | length == 1
- ceph_versions_osd | string is search("ceph version 12")
- name: upgrade ceph mdss cluster
vars:
upgrade_ceph_packages: True
hosts: "{{ mds_group_name|default('mdss') }}"
serial: 1
become: True
- name: upgrade ceph mdss cluster, deactivate all rank > 0
hosts: "{{ groups[mon_group_name|default('mons')][0] }}"
become: true
tasks:
- name: stop ceph mds
- import_role:
name: ceph-defaults
- import_role:
name: ceph-facts
- name: set max_mds 1 on ceph fs
command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} fs set {{ cephfs }} max_mds 1"
changed_when: false
- name: wait until only rank 0 is up
command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} fs get {{ cephfs }} -f json"
changed_when: false
register: wait_rank_zero
retries: 720
delay: 5
until: (wait_rank_zero.stdout | from_json).mdsmap.in | length == 1 and (wait_rank_zero.stdout | from_json).mdsmap.in[0] == 0
- name: get name of remaining active mds
command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} fs dump -f json"
changed_when: false
register: _mds_active_name
- name: set_fact mds_active_name
set_fact:
mds_active_name: "{{ [(_mds_active_name.stdout | from_json)['filesystems'][0]['mdsmap']['info'][item.key]['name']] }}"
with_dict: "{{ (_mds_active_name.stdout | from_json).filesystems[0]['mdsmap']['info'] }}"
- name: create active_mdss group
add_host:
name: "{{ mds_active_name[0] }}"
groups: active_mdss
ansible_host: "{{ hostvars[mds_active_name]['ansible_host'] | default(omit) }}"
ansible_port: "{{ hostvars[mds_active_name]['ansible_port'] | default(omit) }}"
- name: create standby_mdss group
add_host:
name: "{{ standby_mdss }}"
groups: standby_mdss
ansible_host: "{{ hostvars[item]['ansible_host'] | default(omit) }}"
ansible_port: "{{ hostvars[item]['ansible_port'] | default(omit) }}"
with_items: "{{ groups[mds_group_name] | difference(mds_active_name) }}"
- name: stop standby ceph mds
systemd:
name: ceph-mds@{{ ansible_hostname }}
name: ceph-mds@{{ hostvars[item]['ansible_hostname'] }}
state: stopped
enabled: no
masked: yes
when: not containerized_deployment | bool
delegate_to: "{{ item }}"
with_items: "{{ groups['standby_mdss'] }}"
when: groups['standby_mdss'] | default([]) | length > 0
- name: wait until all standbys mds are stopped
command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} fs dump -f json"
changed_when: false
register: wait_standbys_down
retries: 300
delay: 5
until: (wait_standbys_down.stdout | from_json).standbys | length == 0
- name: upgrade active mds
vars:
upgrade_ceph_packages: True
hosts: active_mdss
become: true
tasks:
- import_role:
name: ceph-defaults
- import_role:
name: ceph-facts
- name: prevent restart from the packaging
systemd:
name: ceph-mds@{{ ansible_hostname }}
enabled: no
masked: yes
when: not containerized_deployment | bool
- import_role:
name: ceph-handler
- import_role:
......@@ -568,14 +634,48 @@
- import_role:
name: ceph-mds
- name: start ceph mds
- name: restart ceph mds
systemd:
name: ceph-mds@{{ ansible_hostname }}
state: started
state: restarted
enabled: yes
masked: no
daemon_reload: yes
- name: upgrade standbys ceph mdss cluster
vars:
upgrade_ceph_packages: True
hosts: standby_mdss | default([])
become: True
tasks:
- import_role:
name: ceph-defaults
- import_role:
name: ceph-facts
- name: prevent restarts from the packaging
systemd:
name: ceph-mds@{{ ansible_hostname }}
enabled: no
masked: yes
when: not containerized_deployment | bool
- import_role:
name: ceph-handler
- import_role:
name: ceph-common
when: not containerized_deployment | bool
- import_role:
name: ceph-container-common
when: containerized_deployment | bool
- import_role:
name: ceph-config
- import_role:
name: ceph-mds
- name: restart ceph mds
systemd:
name: ceph-mds@{{ ansible_hostname }}
......@@ -583,7 +683,12 @@
enabled: yes
masked: no
daemon_reload: yes
when: containerized_deployment | bool
- name: set max_mds
command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} fs set {{ cephfs }} max_mds {{ mds_max_mds }}"
changed_when: false
delegate_to: "{{ groups[mon_group_name][0] }}"
when: inventory_hostname == groups['standby_mdss'] | last
- name: upgrade ceph rgws cluster
......
......@@ -74,4 +74,6 @@
command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} fs set {{ cephfs }} max_mds {{ mds_max_mds }}"
changed_when: false
delegate_to: "{{ groups[mon_group_name][0] }}"
when: mds_max_mds > 1
when:
- mds_max_mds > 1
- not rolling_update
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