Added config-changed hook to better handle replica_set_master variable

1 files changed, 24 insertions, 0 deletions

diff --git a/hooks/config-changed b/hooks/config-changed
new file mode 100755
index 0000000..b678ceb
--- /dev/null
+++ b/hooks/config-changed
@@ -0,0 +1,24 @@
+#!/bin/bash
+# This must be renamed to the name of the relation. The goal here is to
+# affect any change needed by relationships being formed
+# This script should be idempotent.
+
+set -ux
+
+DEFAULT_REPLSET_NAME=`config-get replicaset`
+REPLICASET_MASTER=`config-get replicaset_master`
+
+############################################################################################################
+# Are we connecting to an existing replica set?
+############################################################################################################
+if [ "${REPLICASET_MASTER}" != "auto" ]; then
+ grep "${DEFAULT_REPLSET_NAME}" /etc/init/mongodb.conf
+ if [ $? -ne 0 ];then
+ sed -i -e "s/ -- / -- --replSet ${DEFAULT_REPLSET_NAME} /" /etc/init/mongodb.conf
+ service mongodb stop
+ rm -f /var/lib/mongodb/mongod.lock
+ service mongodb start
+ fi
+ mongo --host ${REPLICASET_MASTER} --eval "rs.add(\""${HOSTNAME}"\")"
+fi
+