Add upgrade definition

Depends-On: I3b51b7a957735873b0de098578e1b83c586f111a
Change-Id: Idf8da1dc4b4e8d48bc4e949a68e113d54715f889

docker/glance-upgrade/Dockerfile.j2

@@ -0,0 +1,5 @@
+FROM {{ image_spec("glance-base") }}
+MAINTAINER {{ maintainer }}
+
+RUN apt-get install -y --no-install-recommends mysql-client \
+    && apt-get clean

service/files/backup.sh.j2

@@ -0,0 +1,6 @@
+#!/bin/bash -ex
+set -o pipefail
+BACKUP_FILE="/var/ccp/backup/glance/backup-$(date "+%Y%m%d%H%M%S").sql"
+mysqldump -h {{ address(service.database) }} \
+    -u {{ glance.db.username }} -p{{ glance.db.password }} \
+    --single-transaction {{ glance.db.name }} > "${BACKUP_FILE}"

service/upgrade/default.yaml

@@ -0,0 +1,30 @@
+upgrade:
+  name: upgrade-glance
+  image: glance-upgrade
+  steps:
+    - name: backup
+      command: /opt/ccp/bin/backup.sh
+      files:
+        - backup-sh
+      volumes:
+        - name: backup-dir
+          path: /var/ccp/backup/glance
+          type: host
+          readOnly: false
+      topology_key: backup
+    - name: kill-services
+      type: kill-services
+    - name: db-sync
+      command: glance-manage db_sync
+      files:
+        - glance-conf
+    - name: start-services
+      type: rolling-upgrade
+files:
+  glance-conf:
+    path: /etc/glance/glance-api.conf
+    content: glance-api.conf.j2
+  backup-sh:
+    path: /opt/ccp/bin/backup.sh
+    content: backup.sh.j2
+    perm: "500"