ceph-ansible/infrastructure-playbooks/lv-teardown.yml

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- name: tear down existing osd filesystems then logical volumes, volume groups, and physical volumes
become: true
hosts: osds
vars_prompt:
- name: ireallymeanit
prompt: Are you sure you want to tear down the logical volumes?
default: 'no'
private: no
tasks:
- name: exit playbook, if user did not mean to tear down logical volumes
fail:
msg: >
"Exiting lv-teardown playbook, logical volumes were NOT torn down.
To tear down the logical volumes, either say 'yes' on the prompt or
or use `-e ireallymeanit=yes` on the command line when
invoking the playbook"
when: ireallymeanit != 'yes'
- name: include vars of lv_vars.yaml
include_vars:
file: lv_vars.yaml
failed_when: false
# need to check if lvm2 is installed
- name: install lvm2
package:
name: lvm2
state: present
register: result
until: result is succeeded
# BEGIN TEARDOWN
- name: find any existing osd filesystems
shell: |
set -o pipefail;
grep /var/lib/ceph/osd /proc/mounts | awk '{print $2}'
register: old_osd_filesystems
- name: tear down any existing osd filesystems
command: "umount -v {{ item }}"
with_items: "{{ old_osd_filesystems.stdout_lines }}"
- name: kill all lvm commands that may have been hung
command: "killall -q lvcreate pvcreate vgcreate lvconvert || echo -n"
failed_when: false
## Logcal Vols
- name: tear down existing lv for bucket index
lvol:
lv: "{{ item.lv_name }}"
vg: "{{ nvme_vg_name }}"
state: absent
force: yes
with_items: "{{ nvme_device_lvs }}"
- name: tear down any existing hdd data lvs
lvol:
lv: "{{ hdd_lv_prefix }}-{{ item.split('/')[-1] }}"
vg: "{{ hdd_vg_prefix }}-{{ item.split('/')[-1] }}"
state: absent
force: yes
with_items: "{{ hdd_devices }}"
- name: tear down any existing lv of journal for bucket index
lvol:
lv: "{{ item.journal_name }}"
vg: "{{ nvme_vg_name }}"
state: absent
force: yes
with_items: "{{ nvme_device_lvs }}"
- name: tear down any existing lvs of hdd journals
lvol:
lv: "{{ hdd_journal_prefix }}-{{ item.split('/')[-1] }}"
vg: "{{ nvme_vg_name }}"
state: absent
force: yes
with_items: "{{ hdd_devices }}"
## Volume Groups
- name: remove vg on nvme device
lvg:
vg: "{{ nvme_vg_name }}"
state: absent
force: yes
- name: remove vg for each hdd device
lvg:
vg: "{{ hdd_vg_prefix }}-{{ item.split('/')[-1] }}"
state: absent
force: yes
with_items: "{{ hdd_devices }}"
## Physical Vols
- name: tear down pv for nvme device
command: "pvremove --force --yes {{ nvme_device }}"
- name: tear down pv for each hdd device
command: "pvremove --force --yes {{ item }}"
with_items: "{{ hdd_devices }}"