diff --git a/infrastructure-playbooks/shrink-rgw.yml b/infrastructure-playbooks/shrink-rgw.yml index d54e5fca0..441a82c15 100644 --- a/infrastructure-playbooks/shrink-rgw.yml +++ b/infrastructure-playbooks/shrink-rgw.yml @@ -11,60 +11,26 @@ # automation scripts to avoid interactive prompt. -- name: gather facts and check the init system - hosts: - - "{{ mon_group_name | default('mons') }}" - - "{{ rgw_group_name | default('rgws') }}" - become: true - tasks: - - debug: - msg: gather facts on MONS and RGWs - - name: confirm whether user really meant to remove rgw from the ceph cluster hosts: localhost - become: true + become: false + gather_facts: false vars_prompt: - name: ireallymeanit prompt: Are you sure you want to shrink the cluster? default: 'no' private: no - pre_tasks: - - import_role: - name: ceph-defaults - - - import_role: - name: ceph-facts - + tasks: - name: exit playbook, if no rgw was given - when: rgw_to_kill is not defined + when: rgw_to_kill is not defined or rgw_to_kill | length == 0 fail: msg: > rgw_to_kill must be declared. Exiting shrink-cluster playbook, no RGW was removed. On the command line when invoking the playbook, you can use - "-e rgw_to_kill=ceph-rgw0 argument". You can only remove a single + "-e rgw_to_kill=ceph.rgw0 argument". You can only remove a single RGW each time the playbook runs. - - name: get rgw hostname - set_fact: - rgw_to_kill_hostname: "{{ rgw_to_kill.split('.')[0] }}" - - - name: get rgw instance - set_fact: - rgw_to_kill_instance: "{{ rgw_to_kill.split('.')[1] }}" - - - name: exit if supplied hostname didnt match actual hostname - fail: - msg: supplied hostname didn't match with actual hostname - when: hostvars[rgw_to_kill_hostname]['ansible_hostname'] != rgw_to_kill_hostname - - - name: exit playbook, if the rgw is not part of the inventory - when: rgw_to_kill_hostname not in groups[rgw_group_name] - fail: - msg: > - It seems that the host given is not part of your inventory, please - make sure it is. - - name: exit playbook, if user did not mean to shrink cluster when: ireallymeanit != 'yes' fail: @@ -73,42 +39,76 @@ cluster, either say 'yes' on the prompt or use '-e ireallymeanit=yes' on the command line when invoking the playbook +- name: gather facts and mons and rgws + hosts: + - "{{ mon_group_name | default('mons') }}[0]" + - "{{ rgw_group_name | default('rgws') }}" + become: true + gather_facts: false + tasks: + - setup: + +- hosts: mons[0] + become: true + gather_facts: false + pre_tasks: + - import_role: + name: ceph-defaults + + - import_role: + name: ceph-facts + tasks_from: container_binary + - name: set_fact container_exec_cmd for mon0 - when: containerized_deployment | bool set_fact: - container_exec_cmd: "{{ container_binary }} exec ceph-mon-{{hostvars[groups[mon_group_name][0]]['ansible_hostname'] }}" + container_exec_cmd: "{{ container_binary }} exec ceph-mon-{{ ansible_hostname }}" + when: containerized_deployment | bool - name: exit playbook, if can not connect to the cluster command: "{{ container_exec_cmd | default('') }} timeout 5 ceph --cluster {{ cluster }} health" register: ceph_health until: ceph_health is succeeded - delegate_to: "{{ groups[mon_group_name][0] }}" retries: 5 delay: 2 - tasks: - - name: stop rgw service and verify it - block: - - name: stop rgw service - service: - name: ceph-radosgw@rgw.{{ rgw_to_kill }} - state: stopped - enabled: no - delegate_to: "{{ rgw_to_kill_hostname }}" - failed_when: false + - name: get rgw instances + command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} -s -f json" + register: rgw_instances - - name: ensure that the rgw is stopped - command: "systemctl is-active ceph_rgw@rgw.{{ rgw_to_kill }}" - register: rgw_to_kill_status - failed_when: rgw_to_kill_status.rc == 0 - delegate_to: "{{ rgw_to_kill_hostname }}" - retries: 5 - delay: 2 + + - name: exit playbook, if the rgw_to_kill doesn't exist + when: rgw_to_kill not in (rgw_instances.stdout | from_json).servicemap.services.rgw.daemons.keys() | list + fail: + msg: > + It seems that the rgw instance given is not part of the ceph cluster. Please + make sure it is. + The rgw instance format is $(hostname}.rgw$(instance number). + tasks: + - name: get rgw host running the rgw instance to kill + set_fact: + rgw_host: '{{ item }}' + with_items: '{{ groups[rgw_group_name] }}' + when: hostvars[item]['ansible_hostname'] == rgw_to_kill.split('.')[0] + + - name: stop rgw service + service: + name: ceph-radosgw@rgw.{{ rgw_to_kill }} + state: stopped + enabled: no + delegate_to: "{{ rgw_host }}" + failed_when: false + + - name: ensure that the rgw is stopped + command: "systemctl is-active ceph-radosgw@rgw.{{ rgw_to_kill }}" + register: rgw_to_kill_status + failed_when: rgw_to_kill_status.rc == 0 + delegate_to: "{{ rgw_host }}" + retries: 5 + delay: 2 - name: exit if rgw_to_kill is reported in ceph status command: "{{ container_exec_cmd | default('') }} ceph --cluster {{ cluster }} -s -f json" register: ceph_status - delegate_to: "{{ groups[mon_group_name][0] }}" failed_when: - (ceph_status.stdout | from_json).servicemap.services.rgw is defined - rgw_to_kill in (ceph_status.stdout | from_json).servicemap.services.rgw.daemons.keys() | list @@ -120,11 +120,9 @@ - name: purge directories related to rgw file: - path: /var/lib/ceph/radosgw/{{ cluster }}-{{ rgw_to_kill_hostname }} + path: /var/lib/ceph/radosgw/{{ cluster }}-rgw.{{ rgw_to_kill }} state: absent - delegate_to: "{{ rgw_to_kill_hostname }}" - + delegate_to: "{{ rgw_host }}" post_tasks: - name: show ceph health command: "{{ container_exec_cmd | default('')}} ceph --cluster {{ cluster }} -s" - delegate_to: "{{ groups[mon_group_name][0] }}"