ceph-ansible/infrastructure-playbooks/add-osd.yml

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---
# This playbook is used to add a new OSD to
# an existing cluster without the need for running
# the ceph-container-common or ceph-common and ceph-mon role again against all
# of the existing monitors.
#
# It can run from any machine. Even if the fetch directory is not present
# it will be created.
#
# Ensure that all monitors are present in the mons
# group in your inventory so that the ceph configuration file
# is created correctly for the new OSD(s).
#
# It is expected to edit your inventory file to only point to the OSD hosts
# you want to play the playbook on. So you need to comment already deployed OSD
# and let uncommented the new OSDs.
#
- hosts:
- mons
- osds
gather_facts: False
become: true
vars:
delegate_facts_host: True
pre_tasks:
- name: gather facts
setup:
when: not delegate_facts_host | bool
- import_role:
name: ceph-defaults
- name: gather and delegate facts
setup:
delegate_to: "{{ item }}"
delegate_facts: True
with_items:
- "{{ groups[mon_group_name] }}"
- "{{ groups[osd_group_name] }}"
run_once: True
when: delegate_facts_host | bool
tasks:
- import_role:
name: ceph-facts
- import_role:
name: ceph-validate
- hosts: osds
gather_facts: False
become: True
vars:
delegate_facts_host: True
pre_tasks:
- name: gather facts
setup:
when: not delegate_facts_host | bool
- import_role:
name: ceph-defaults
- name: gather and delegate facts
setup:
delegate_to: "{{ item }}"
delegate_facts: True
with_items:
- "{{ groups[mon_group_name] }}"
- "{{ groups[osd_group_name] }}"
run_once: True
when: delegate_facts_host | bool
# this task is needed so we can skip the openstack_config.yml include in roles/ceph-osd
- name: set_fact add_osd
set_fact:
add_osd: True
- name: set noup flag
command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} osd set noup"
delegate_to: "{{ groups['mons'][0] }}"
run_once: True
changed_when: False
tasks:
- import_role:
name: ceph-facts
- import_role:
name: ceph-handler
- import_role:
name: ceph-infra
- import_role:
name: ceph-container-common
when: containerized_deployment | bool
- import_role:
name: ceph-common
when: not containerized_deployment | bool
- import_role:
name: ceph-config
- import_role:
name: ceph-osd
post_tasks:
- name: unset noup flag
command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} osd unset noup"
delegate_to: "{{ groups['mons'][0] }}"
run_once: True
changed_when: False