Add persistent storage for CM state information

Issue-ID: DCAEGEN2-990
Change-Id: I122e541d6ea0fa6bca06157d6ae7a330048d2ed7
Signed-off-by: Jack Lucas <jflucas@research.att.com>

1 files changed, 53 insertions, 0 deletions

diff --git a/cm-container/start-persistent.sh b/cm-container/start-persistent.sh
new file mode 100755
index 0000000..bf55da0
--- /dev/null
+++ b/cm-container/start-persistent.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+# ================================================================================
+# Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+# ================================================================================
+# 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.
+# ============LICENSE_END=========================================================
+# Set up persistent storage for Cloudify Manager's state data
+
+PDIRS="/var/lib/pgsql/9.5/data /opt/manager/resources /opt/mgmtworker/env/plugins /opt/mgmtworker/work/deployments"
+PSTORE="/cfy-persist"
+
+set -ex
+
+if [ -d "$PSTORE" ] 
+then
+  # the persistent mount point exists
+  if [ -z "$(ls -A $PSTORE)" ]
+  then
+    # there's nothing in the persistent store yet
+    # copy in the data from the container file system
+    for d in $PDIRS
+    do
+      p="$(dirname $d)"
+      mkdir -p "${PSTORE}$p"
+      cp -rp "$d" "${PSTORE}$p"
+    done
+  fi
+  # at this point, there is persistent storage possibly from a previous startup
+  # set up links from internal file system to persistent storage
+  for d in $PDIRS
+  do
+    if [ -d "$d" ]
+    then
+        mv $d $d-initial        # move directory so we can create symlink
+    fi
+    ln -sf "$PSTORE/$d" "$(dirname $d)"
+  done
+else
+  echo "No persistent storage available"
+fi
+# start up init, which brings up CM and supporting software
+exec /sbin/init --log-target=journal 3>&1
+