Allow ceph pool names to be configurable

Change-Id: Ic408ef7aec7f1c95396a0ccf0209b104908a3f21
Partially-Implements: blueprint ceph-improvements

ansible/group_vars/all.yml

@@ -176,3 +176,8 @@ cinder_volume_driver: "{{ 'ceph' if enable_ceph | bool else 'lvm' }}"
 # A requirement for using the erasure-coded pools is you must setup a cache tier
 # Valid options are [ erasure, replicated ]
 ceph_pool_type: "replicated"
+
+ceph_cinder_pool_name: "volumes"
+ceph_cinder_backup_pool_name: "backups"
+ceph_glance_pool_name: "images"
+ceph_nova_pool_name: "vms"

ansible/roles/cinder/tasks/ceph.yml

@@ -19,7 +19,7 @@
 
 # TODO(SamYaple): Improve failed_when and changed_when tests
 - name: Creating ceph pool for cinder
-  command: docker exec ceph_mon ceph osd pool create volumes 128 {{ ceph_pool_type }}
+  command: docker exec ceph_mon ceph osd pool create {{ ceph_cinder_pool_name }} 128 {{ ceph_pool_type }}
   delegate_to: "{{ groups['ceph-mon'][0] }}"
   changed_when: False
   failed_when: False
@@ -27,7 +27,7 @@
 
 # TODO(SamYaple): Improve failed_when and changed_when tests
 - name: Creating ceph pool for cinder-backup
-  command: docker exec ceph_mon ceph osd pool create backups 128 {{ ceph_pool_type }}
+  command: docker exec ceph_mon ceph osd pool create {{ ceph_cinder_backup_pool_name }} 128 {{ ceph_pool_type }}
   delegate_to: "{{ groups['ceph-mon'][0] }}"
   changed_when: False
   failed_when: False
@@ -35,7 +35,7 @@
 
 # TODO(SamYaple): Improve failed_when and changed_when tests
 - name: Pulling cephx keyring for cinder
-  command: docker exec ceph_mon ceph auth get-or-create client.cinder mon 'allow r' osd 'allow class-read object_prefix rbd_children, allow rwx pool=volumes, allow rwx pool=vms, allow rx pool=images'
+  command: docker exec ceph_mon ceph auth get-or-create client.cinder mon 'allow r' osd 'allow class-read object_prefix rbd_children, allow rwx pool={{ ceph_cinder_pool_name }}, allow rwx pool={{ ceph_nova_pool_name }}, allow rx pool={{ ceph_glance_pool_name }}'
   register: cephx_key_cinder
   delegate_to: "{{ groups['ceph-mon'][0] }}"
   changed_when: False
@@ -43,7 +43,7 @@
 
 # TODO(SamYaple): Improve failed_when and changed_when tests
 - name: Pulling cephx keyring for cinder-backup
-  command: docker exec ceph_mon ceph auth get-or-create client.cinder-backup mon 'allow r' osd 'allow class-read object_prefix rbd_children, allow rwx pool=backups'
+  command: docker exec ceph_mon ceph auth get-or-create client.cinder-backup mon 'allow r' osd 'allow class-read object_prefix rbd_children, allow rwx pool={{ ceph_cinder_backup_pool_name }}'
   register: cephx_key_cinder_backup
   delegate_to: "{{ groups['ceph-mon'][0] }}"
   changed_when: False

ansible/roles/cinder/templates/cinder.conf.j2

@@ -26,7 +26,7 @@ backup_driver = cinder.backup.drivers.ceph
 backup_ceph_conf = /etc/ceph/ceph.conf
 backup_ceph_user = cinder-backup
 backup_ceph_chunk_size = 134217728
-backup_ceph_pool = backups
+backup_ceph_pool = {{ ceph_cinder_backup_pool_name }}
 backup_ceph_stripe_unit = 0
 backup_ceph_stripe_count = 0
 restore_discard_excess_bytes = true
@@ -71,7 +71,7 @@ volume_backend_name = lvmdriver-1
 {% elif cinder_volume_driver == "ceph" %}
 [rbd-1]
 volume_driver = cinder.volume.drivers.rbd.RBDDriver
-rbd_pool = volumes
+rbd_pool = {{ ceph_cinder_pool_name }}
 rbd_ceph_conf = /etc/ceph/ceph.conf
 rbd_flatten_volume_from_snapshot = false
 rbd_max_clone_depth = 5

ansible/roles/glance/tasks/ceph.yml

@@ -13,7 +13,7 @@
 
 # TODO(SamYaple): Improve failed_when and changed_when tests
 - name: Creating ceph pool for glance
-  command: docker exec ceph_mon ceph osd pool create images 128 {{ ceph_pool_type }}
+  command: docker exec ceph_mon ceph osd pool create {{ ceph_glance_pool_name }} 128 {{ ceph_pool_type }}
   delegate_to: "{{ groups['ceph-mon'][0] }}"
   changed_when: False
   failed_when: False
@@ -21,7 +21,7 @@
 
 # TODO(SamYaple): Improve failed_when and changed_when tests
 - name: Pulling cephx keyring
-  command: docker exec ceph_mon ceph auth get-or-create client.glance mon 'allow r' osd 'allow class-read object_prefix rbd_children, allow rwx pool=images'
+  command: docker exec ceph_mon ceph auth get-or-create client.glance mon 'allow r' osd 'allow class-read object_prefix rbd_children, allow rwx pool={{ ceph_glance_pool_name }}'
   register: cephx_key
   delegate_to: "{{ groups['ceph-mon'][0] }}"
   changed_when: False

ansible/roles/glance/templates/glance-api.conf.j2

@@ -37,7 +37,7 @@ flavor = keystone
 default_store = rbd
 stores = rbd
 rbd_store_user = glance
-rbd_store_pool = images
+rbd_store_pool = {{ ceph_glance_pool_name }}
 rbd_store_chunk_size = 8
 {% else %}
 default_store = file

ansible/roles/nova/tasks/ceph.yml

@@ -19,7 +19,7 @@
 
 # TODO(SamYaple): Improve failed_when and changed_when tests
 - name: Creating ceph pool for vms
-  command: docker exec ceph_mon ceph osd pool create vms 128 {{ ceph_pool_type }}
+  command: docker exec ceph_mon ceph osd pool create {{ ceph_nova_pool_name }} 128 {{ ceph_pool_type }}
   delegate_to: "{{ groups['ceph-mon'][0] }}"
   changed_when: False
   failed_when: False
@@ -27,7 +27,7 @@
 
 # TODO(SamYaple): Improve failed_when and changed_when tests
 - name: Pulling cephx keyring for nova
-  command: docker exec ceph_mon ceph auth get-or-create client.nova mon 'allow r' osd 'allow class-read object_prefix rbd_children, allow rwx pool=volumes, allow rwx pool=vms, allow rx pool=images'
+  command: docker exec ceph_mon ceph auth get-or-create client.nova mon 'allow r' osd 'allow class-read object_prefix rbd_children, allow rwx pool={{ ceph_volumes_pool_name }}, allow rwx pool={{ ceph_nova_pool_name }}, allow rx pool={{ ceph_glance_pool_name }}'
   register: cephx_key
   delegate_to: "{{ groups['ceph-mon'][0] }}"
   changed_when: False

ansible/roles/nova/templates/nova.conf.j2

@@ -121,7 +121,7 @@ password = {{ nova_keystone_password }}
 {% if enable_ceph | bool %}
 [libvirt]
 images_type = rbd
-images_rbd_pool = vms
+images_rbd_pool = {{ ceph_nova_pool_name }}
 images_rbd_ceph_conf = /etc/ceph/ceph.conf
 rbd_user = nova
 rbd_secret_uuid = {{ rbd_secret_uuid }}