Re-activate vg and lvs on rebuild

Re-creates the loopback devices on rebuild/update.
Re-enables volume groups and also logical volumes

Change-Id: Ib319eebecfd29c71bc346c48ed47525552d54e94

playbooks/activate_cinder_volumes.yml

@@ -0,0 +1,44 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+- name: Check if using lvm based storage
+  stat: path=/mnt/state/var/lib/cinder/cinder-volumes-backing-file
+  register: lvm_backing_file
+- name: Re-create cinder loopdevice
+  command: losetup -f /mnt/state/var/lib/cinder/cinder-volumes-backing-file
+  when: lvm_backing_file.stat.exists
+  sudo: yes
+- pause: seconds=5
+  when: lvm_backing_file.stat.exists
+- name: Re-scan for volume groups
+  command: pvscan
+  when: lvm_backing_file.stat.exists
+  sudo: yes
+- pause: seconds=5
+- name: Re-enable volume groups
+  command: vgchange -a y
+  when: lvm_backing_file.stat.exists
+  sudo: yes
+- pause: seconds=5
+  when: lvm_backing_file.stat.exists
+- name: Get all cinder lvm volumes
+  shell: "lvdisplay  | grep cinder-volumes | grep 'LV Path' | awk '{print $3}'"
+  when: lvm_backing_file.stat.exists
+  register: cinder_volumes
+  sudo: yes
+- name: Activate cinder lvm volumes
+  shell: lvchange -a y {{ item }}
+  with_items: cinder_volumes.stdout_lines
+  when: lvm_backing_file.stat.exists
+  sudo: yes

playbooks/files/cleanup_cinder_devices.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -eux
 
-for CINDER_VOLUME in `dmsetup ls 2>/dev/null | cut -f 1 |grep 'cinder--volumes'|grep -v pool`; do
+for CINDER_VOLUME in `lvdisplay  | grep cinder-volumes | grep 'LV Path' | awk '{print $3}'`; do
-   dmsetup remove $CINDER_VOLUME
+   lvchange -a n $CINDER_VOLUME
 done
-vgchange -a n
+vgchange -a n

playbooks/update_cloud.yml

@@ -270,6 +270,7 @@
   max_fail_percentage: 0
   sudo: yes
   tasks:
+    - include: activate_cinder_volumes.yml
     - include: mysql_init_fix.yml
     - include: rabbitmq_occ_disable.yml
     - include: refresh_config.yml
@@ -349,6 +350,7 @@
   max_fail_percentage: 0
   sudo: yes
   tasks:
+    - include: activate_cinder_volumes.yml
     # This action of stopping prior to starting is to ensure that should
     # MySQL started upon boot, then it would hopefully pickup new config
     # that os-collect-config and os-apply-config would have put in place.

plugins/inventory/group_vars/all

@@ -102,6 +102,7 @@ helion_overcloud_controller_services:
   - nova-novncproxy
   - nova-scheduler
   - ceilometer-api
+  - ceilometer-collector
   - snmpd
   - rsync
   - stunnel