ceph-ansible/roles/ceph-osd/tasks/crush_rules.yml

60 lines
3.0 KiB
YAML

---
- name: configure crush hierarchy
ceph_crush:
cluster: "{{ cluster }}"
location: "{{ osd_crush_location }}"
containerized: "{{ hostvars[groups[mon_group_name][0]]['container_exec_cmd'] | default('') }}"
register: config_crush_hierarchy
delegate_to: '{{ groups[mon_group_name][0] }}'
when:
- hostvars[groups[mon_group_name][0]]['create_crush_tree'] | default(create_crush_tree) | bool
- osd_crush_location is defined
- name: create configured crush rules
command: "{{ hostvars[groups[mon_group_name][0]]['container_exec_cmd'] | default('') }} ceph --cluster {{ cluster }} osd crush rule {{ 'create-replicated' if item.class is defined else 'create-simple' }} {{ item.name }} {{ item.root }} {{ item.type }} {{ item.class | default('') }}"
changed_when: false
with_items: "{{ hostvars[groups[mon_group_name][0]]['crush_rules'] | default(crush_rules) | unique }}"
delegate_to: '{{ groups[mon_group_name][0] }}'
run_once: true
- name: get id for new default crush rule
command: "{{ hostvars[groups[mon_group_name][0]]['container_exec_cmd'] | default('') }} ceph --cluster {{ cluster }} osd -f json crush rule dump {{ item.name }}"
register: info_ceph_default_crush_rule
changed_when: false
with_items: "{{ hostvars[groups[mon_group_name][0]]['crush_rules'] | default(crush_rules) | unique }}"
delegate_to: '{{ groups[mon_group_name][0] }}'
run_once: true
when: item.default | default(False) | bool
# If multiple rules are set as default (should not be) then the last one is taken as actual default.
# the with_items statement overrides each iteration with the new one.
# NOTE(leseb): we should actually fail if multiple rules are set as default
- name: set_fact info_ceph_default_crush_rule_yaml, ceph_osd_pool_default_crush_rule_name
set_fact:
info_ceph_default_crush_rule_yaml: "{{ item.stdout | default('{}', True) | from_json() }}"
ceph_osd_pool_default_crush_rule_name: "{{ (item.stdout | default('{}', True) | from_json).get('rule_name') }}"
with_items: "{{ info_ceph_default_crush_rule.results }}"
run_once: true
when: not item.get('skipped', false)
- name: insert new default crush rule into daemon to prevent restart
command: "{{ hostvars[item]['container_exec_cmd'] | default('') }} ceph --admin-daemon /var/run/ceph/{{ cluster }}-mon.{{ hostvars[item]['monitor_name'] }}.asok config set osd_pool_default_crush_rule {{ info_ceph_default_crush_rule_yaml.rule_id }}"
changed_when: false
delegate_to: "{{ item }}"
with_items: "{{ groups[mon_group_name] }}"
run_once: true
when:
- info_ceph_default_crush_rule_yaml | default('') | length > 0
- name: "add new default crush rule to {{ cluster }}.conf"
ini_file:
dest: "/etc/ceph/{{ cluster }}.conf"
section: "global"
option: "osd pool default crush rule"
value: "{{ info_ceph_default_crush_rule_yaml.rule_id }}"
delegate_to: "{{ item }}"
with_items: "{{ groups[mon_group_name] }}"
run_once: true
when:
- info_ceph_default_crush_rule_yaml | default('') | length > 0