purge-docker-cluster: add ceph-volume support

This commits adds the support for purging cluster that were deployed
with ceph-volume. It also separates nicely with a block intruction the
work to do when lvm is used or not.

Signed-off-by: Sébastien Han <seb@redhat.com>
(cherry picked from commit 1751885bc9)

infrastructure-playbooks/purge-docker-cluster.yml

@@ -309,6 +309,14 @@
 
   tasks:
 
+  - import_role:
+      name: ceph-defaults
+      private: false
+
+  - import_role:
+      name: ceph-osd
+      private: false
+
   - name: get all the running osds
     shell: |
       systemctl list-units | grep 'loaded[[:space:]]\+active' | grep -oE "ceph-osd@([0-9]{1,2}|[a-z]+).service"
@@ -322,6 +330,15 @@
       enabled: no
     with_items: "{{ osd_units.stdout_lines }}"
 
+  - name: remove osd mountpoint tree
+    file:
+      path: /var/lib/ceph/osd/
+      state: absent
+    register: remove_osd_mountpoints
+    ignore_errors: true
+
+  - name: for ceph-disk based deployment
+    block:
       - name: get prepare container
         command: "docker ps -a -q --filter='name=ceph-osd-prepare'"
         register: prepare_containers
@@ -338,13 +355,6 @@
           blkid -t TYPE=crypto_LUKS -s PARTLABEL -s PARTUUID | grep "ceph.*." | grep -o PARTUUID.* | cut -d '"' -f 2
         register: encrypted_ceph_partuuid
 
-  - name: remove osd mountpoint tree
-    file:
-      path: /var/lib/ceph/osd/
-      state: absent
-    register: remove_osd_mountpoints
-    ignore_errors: true
-
       - name: get ceph data partitions
         command: |
           blkid -o device -t PARTLABEL="ceph data"
@@ -433,6 +443,39 @@
         file:
           path: /etc/systemd/system/ceph-osd@.service
           state: absent
+    when:
+      - osd_scenario != "lvm"
+
+  - name: for ceph-volume based deployments
+    block:
+      - name: zap and destroy osds created by ceph-volume with lvm_volumes
+        ceph_volume:
+          data: "{{ item.data }}"
+          data_vg: "{{ item.data_vg|default(omit) }}"
+          journal: "{{ item.journal|default(omit) }}"
+          journal_vg: "{{ item.journal_vg|default(omit) }}"
+          db: "{{ item.db|default(omit) }}"
+          db_vg: "{{ item.db_vg|default(omit) }}"
+          wal: "{{ item.wal|default(omit) }}"
+          wal_vg: "{{ item.wal_vg|default(omit) }}"
+          action: "zap"
+        environment:
+          CEPH_VOLUME_DEBUG: 1
+          CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}"
+          CEPH_CONTAINER_BINARY: "{{ container_binary }}"
+        with_items: "{{ lvm_volumes }}"
+
+      - name: zap and destroy osds created by ceph-volume with devices
+        ceph_volume:
+          data: "{{ item }}"
+          action: "zap"
+        environment:
+          CEPH_VOLUME_DEBUG: 1
+          CEPH_CONTAINER_IMAGE: "{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}"
+          CEPH_CONTAINER_BINARY: "{{ container_binary }}"
+        with_items: "{{ devices | default([]) }}"
+    when:
+      - osd_scenario == "lvm"
 
   - name: remove ceph osd image
     docker_image: