Merge "Add LVM option for ceph-loop-device role"

roles/ceph-loop-device/README.rst

@@ -2,7 +2,8 @@ ceph-loop-device
 ================
 
 This role creates the /dev/loop3 (default) loop device required when you have
-ceph services in the deployment.
+ceph services in the deployment. For Stein and newer it creates three logical
+volumes for use with bluestore.
 
 
 Role Variables
@@ -10,6 +11,10 @@ Role Variables
 
 ceph_loop_device: /dev/loop3
 ceph_loop_device_file: /var/lib/ceph-osd.img
+ceph_logical_volume_group: ceph_vg
+ceph_logical_volume_wal: ceph_lv_wal
+ceph_logical_volume_db: ceph_lv_db
+ceph_logical_volume_data: ceph_lv_data
 
 Requirements
 ------------

roles/ceph-loop-device/defaults/main.yml

@@ -1,3 +1,7 @@
 ---
 ceph_loop_device: /dev/loop3
 ceph_loop_device_file: /var/lib/ceph-osd.img
+ceph_logical_volume_group: ceph_vg
+ceph_logical_volume_wal: ceph_lv_wal
+ceph_logical_volume_db: ceph_lv_db
+ceph_logical_volume_data: ceph_lv_data

roles/ceph-loop-device/tasks/main.yml

@@ -21,3 +21,20 @@
     dd if=/dev/zero of={{ ceph_loop_device_file }} bs=1 count=0 seek=7G
     losetup {{ ceph_loop_device }} {{ ceph_loop_device_file }}
     lsblk
+
+- name: Get branch
+  set_fact:
+    ci_branch: "{{ zuul.branch | default('master') | replace('stable/','') }}"
+
+- name: Use {pv,vg,lv}create to create logical volumes on loop device
+  become: true
+  shell: |
+    pvcreate {{ ceph_loop_device }}
+    vgcreate {{ ceph_logical_volume_group }} {{ ceph_loop_device }}
+    lvcreate -n {{ ceph_logical_volume_wal }} -l 375 {{ ceph_logical_volume_group }}
+    lvcreate -n {{ ceph_logical_volume_db }} -l 375 {{ ceph_logical_volume_group }}
+    lvcreate -n {{ ceph_logical_volume_data }} -l 1041 {{ ceph_logical_volume_group }}
+    lvs
+  when:
+    - ci_branch is defined
+    - ci_branch is not match('(newton|ocata|pike|queens|rocky)')