Commit 4b667b2f authored by Guillaume Abrioux's avatar Guillaume Abrioux Committed by Dimitri Savineau
Browse files

update: skip mds deactivation when no mds in inventory



Let's skip this part of the code if there's no mds node in the
inventory.
Signed-off-by: default avatarGuillaume Abrioux <gabrioux@redhat.com>
(cherry picked from commit 5ec906c3)
parent f3fc97ca
......@@ -465,99 +465,104 @@
hosts: "{{ groups[mon_group_name|default('mons')][0] }}"
become: true
roles:
- ceph-defaults
- ceph-facts
- role: ceph-defaults
- role: ceph-facts
when: groups.get(mds_group_name, []) | length > 1
post_tasks:
- name: get mds cluster status
command: "{{ docker_exec_cmd }} ceph --cluster {{ cluster }} fs get {{ cephfs }} -f json"
changed_when: false
register: _cephfs_status
- name: get all mds names
command: "{{ docker_exec_cmd }} ceph --cluster {{ cluster }} mds dump -f json"
changed_when: false
register: _all_mds_name
- name: set_fact all_mds_name
set_fact:
all_mds_name: "{{ all_mds_name | default([]) + [(_all_mds_name.stdout | from_json)['info'][item.key]['name'] ] }}"
with_dict: "{{ ((_all_mds_name.stdout | from_json).info) }}"
- name: set max_mds 1 on ceph fs
command: "{{ docker_exec_cmd }} ceph --cluster {{ cluster }} fs set {{ cephfs }} max_mds 1"
changed_when: false
register: _max_mds_result
- name: deactivate all non-zero ranks
shell: |
#!/bin/bash
{{ docker_exec_cmd }} ceph --cluster {{ cluster }} mds deactivate {{ cephfs }}:{{ item }}
{{ docker_exec_cmd }} ceph --cluster {{ cluster }} fs get {{ cephfs }} -f json
register: deactivate_status
retries: 10
delay: 1
failed_when: false
until: item not in (deactivate_status.stdout | from_json).mdsmap.in
with_items: "{{ (_cephfs_status.stdout | from_json).mdsmap.in | difference([0]) | sort(reverse=True) }}"
- name: get name of remaining active mds
command: "{{ docker_exec_cmd }} ceph --cluster {{ cluster }} mds 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)['info'][item.key]['name'] }}"
with_dict: "{{ (_mds_active_name.stdout | from_json).info }}"
- name: deactivate all mds rank > 0
when: groups.get(mds_group_name, []) | length > 1
block:
- name: get mds cluster status
command: "{{ docker_exec_cmd }} ceph --cluster {{ cluster }} fs get {{ cephfs }} -f json"
changed_when: false
register: _cephfs_status
- name: get all mds names
command: "{{ docker_exec_cmd }} ceph --cluster {{ cluster }} mds dump -f json"
changed_when: false
register: _all_mds_name
- name: set_fact all_mds_name
set_fact:
all_mds_name: "{{ all_mds_name | default([]) + [(_all_mds_name.stdout | from_json)['info'][item.key]['name'] ] }}"
with_dict: "{{ ((_all_mds_name.stdout | from_json).info) }}"
- name: set max_mds 1 on ceph fs
command: "{{ docker_exec_cmd }} ceph --cluster {{ cluster }} fs set {{ cephfs }} max_mds 1"
changed_when: false
register: _max_mds_result
- name: deactivate all non-zero ranks
shell: |
#!/bin/bash
{{ docker_exec_cmd }} ceph --cluster {{ cluster }} mds deactivate {{ cephfs }}:{{ item }}
{{ docker_exec_cmd }} ceph --cluster {{ cluster }} fs get {{ cephfs }} -f json
register: deactivate_status
retries: 10
delay: 1
failed_when: false
until: item not in (deactivate_status.stdout | from_json).mdsmap.in
with_items: "{{ (_cephfs_status.stdout | from_json).mdsmap.in | difference([0]) | sort(reverse=True) }}"
- name: get name of remaining active mds
command: "{{ docker_exec_cmd }} ceph --cluster {{ cluster }} mds 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)['info'][item.key]['name'] }}"
with_dict: "{{ (_mds_active_name.stdout | from_json).info }}"
- name: create standby_mdss group
add_host:
name: "{{ item }}"
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@{{ hostvars[item]['ansible_hostname'] }}"
state: stopped
enabled: no
delegate_to: "{{ item }}"
with_items: "{{ groups['standby_mdss'] | default([]) }}"
when: groups['standby_mdss'] | default([]) | length > 0
# dedicated task for masking systemd unit
# somehow, having a single task doesn't work in containerized context
- name: mask stop standby ceph mds
systemd:
name: "ceph-mds@{{ hostvars[item]['ansible_hostname'] }}"
masked: yes
delegate_to: "{{ item }}"
with_items: "{{ groups['standby_mdss'] | default([]) }}"
when: groups['standby_mdss'] | default([]) | length > 0
- name: wait until all standbys mds are stopped
command: "{{ docker_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: create active_mdss group
add_host:
name: "{{ mds_active_name }}"
name: "{{ mds_active_name if mds_active_name is defined else groups.get(mds_group_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: "{{ item }}"
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@{{ hostvars[item]['ansible_hostname'] }}"
state: stopped
enabled: no
delegate_to: "{{ item }}"
with_items: "{{ groups['standby_mdss'] | default([]) }}"
when: groups['standby_mdss'] | default([]) | length > 0
# dedicated task for masking systemd unit
# somehow, having a single task doesn't work in containerized context
- name: mask stop standby ceph mds
systemd:
name: "ceph-mds@{{ hostvars[item]['ansible_hostname'] }}"
masked: yes
delegate_to: "{{ item }}"
with_items: "{{ groups['standby_mdss'] | default([]) }}"
when: groups['standby_mdss'] | default([]) | length > 0
- name: wait until all standbys mds are stopped
command: "{{ docker_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
ansible_host: "{{ hostvars[mds_active_name if mds_active_name is defined else groups.get(mds_group_name)[0]]['ansible_host'] | default(omit) }}"
ansible_port: "{{ hostvars[mds_active_name if mds_active_name is defined else groups.get(mds_group_name)[0]]['ansible_port'] | default(omit) }}"
- name: upgrade active mds
vars:
upgrade_ceph_packages: True
hosts: active_mdss
hosts: active_mdss | default([])
become: true
pre_tasks:
- name: prevent restart from the packaging
......
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