Fix onap-odl-neon image 19/101919/1
authorherbert <herbert.eiselt@highstreet-technologies.com>
Tue, 18 Feb 2020 16:53:52 +0000 (17:53 +0100)
committerherbert <herbert.eiselt@highstreet-technologies.com>
Tue, 18 Feb 2020 16:54:29 +0000 (17:54 +0100)
Add missing configuration scripts

Issue-ID: SDNC-1056
Signed-off-by: herbert <herbert.eiselt@highstreet-technologies.com>
Change-Id: Id76f855e819baef4eef8f0770c398c86da8c76fc

opendaylight/neon/neon-alpine/pom.xml
opendaylight/neon/neon-alpine/src/main/docker/Dockerfile
opendaylight/neon/neon-alpine/src/main/odlscripts/configure-cluster-ipdetect.sh [new file with mode: 0755]
opendaylight/neon/neon-alpine/src/main/odlscripts/configure_cluster.sh [new file with mode: 0755]
opendaylight/neon/neon-alpine/src/main/odlscripts/custom_shard_config.txt [new file with mode: 0755]
opendaylight/neon/neon-alpine/src/main/odlscripts/set_persistence.sh [new file with mode: 0755]

index 072e884..dc1e8b9 100644 (file)
                                                                        </includes>
                                                                        <filtering>true</filtering>
                                                                </resource>
+                                                               <resource>
+                                                                       <directory>src/main/odlscripts</directory>
+                                                                       <includes>
+                                                                               <include>*</include>
+                                                                       </includes>
+                                                                       <filtering>true</filtering>
+                                                               </resource>
                                                        </resources>
                                                </configuration>
                                        </execution>
index 054a44f..bd6ff4a 100644 (file)
@@ -15,6 +15,9 @@ RUN mkdir -p /opt/odl \
     && ln -s  /opt/opendaylight /opt/opendaylight/${odl.karaf.artifactId}-${ccsdk.opendaylight.version} \
     && ln -s /opt/opendaylight /opt/opendaylight/current
 
+# Add missing scripts see SDNC-1056
+COPY configure_cluster.sh configure-cluster-ipdetect.sh custom_shard_config.txt set_persistence.sh $ODL_HOME/bin/
+RUN chmod 755 $ODL_HOME/bin/configure_cluster.sh $ODL_HOME/bin/configure-cluster-ipdetect.sh $ODL_HOME/bin/set_persistence.sh $ODL_HOME/bin/custom_shard_config.txt
 
 # ENTRYPOINT exec /opt/opendaylight/bin/karaf
 EXPOSE 8181
diff --git a/opendaylight/neon/neon-alpine/src/main/odlscripts/configure-cluster-ipdetect.sh b/opendaylight/neon/neon-alpine/src/main/odlscripts/configure-cluster-ipdetect.sh
new file mode 100755 (executable)
index 0000000..7b97ef9
--- /dev/null
@@ -0,0 +1,265 @@
+#!/bin/bash
+#
+# Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
+# Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Public License v1.0 which accompanies this distribution,
+# and is available at http://www.eclipse.org/legal/epl-v10.html
+#
+
+
+function usage()
+{
+    # Print any error messages
+    test "$1" != "" && echo " ERROR: $1"
+
+    # Print standard usage help
+    cat << EOF
+ This script is used to configure cluster parameters on this
+ controller. The user should restart controller to apply changes.
+
+ Usage: $0 <seed_nodes_list>
+  - seed_nodes_list: List of seed nodes, separated by comma or space.
+
+ The script checks that one (any) of the the controller's active IP
+ addresses is present in the seed_nodes_list. When running this script
+ on multiple  seed nodes, keep the seed_node_list same on all nodes.
+
+ Optionally, shards can be configured in a more granular way by
+ modifying the file "custom_shard_configs.txt" in the same folder
+ as this tool.  Please see that file for more details.
+
+This script is currently limited to IPv4 addresses. If you have
+problems running this script, please use 'configure_cluster.sh'.
+
+EOF
+
+    exit 1
+}
+
+
+function start_banner
+{
+cat <<EOF
+################################################
+##             Configure Cluster              ##
+################################################
+EOF
+}
+
+function end_banner
+{
+cat <<EOF
+################################################
+##   NOTE: Manually restart controller to     ##
+##         apply configuration.               ##
+################################################
+EOF
+}
+
+# Utility function for joining strings.
+function join {
+    delim=',\n\t\t\t\t'
+    final=$1; shift
+
+    for str in $* ; do
+        final=${final}${delim}${str}
+    done
+
+    echo ${final}
+}
+
+function create_strings
+{
+    # Using a list of controller IPs, create the strings for data
+    # and rpc seed nodes, as well as the list of members.
+
+    # First create an arrays with one string per controller.
+    # Then merge the array using the join utility defined above.
+    count=1
+    for ip in ${CONTROLLERIPS[@]} ; do
+        ds[$count]=\\\"akka.tcp:\\/\\/opendaylight-cluster-data@${ip}:2550\\\"
+        rpc[$count]=\\\"akka.tcp:\\/\\/odl-cluster-rpc@${ip}:2551\\\"
+        members[$count]=\\\"member-${count}\\\"
+        count=$[count + 1]
+    done
+
+    DATA_SEED_LIST=$(join ${ds[@]})
+    RPC_SEED_LIST=$(join ${rpc[@]})
+    MEMBER_NAME_LIST=$(join ${members[@]})
+}
+
+function module_shards_builder
+{
+
+    module_shards_string="module-shards = [\n\t{\n\t\tname = \"default\"\n\t\tshards = [\n\t\t\t{\n\t\t\t\tname = \"default\"\n\t\t\t\treplicas = []\n\t\t\t}\n\t\t]\n\t}"
+    for name in ${FRIENDLY_MODULE_NAMES[@]} ; do
+        module_shards_string="${module_shards_string},\n\t{\n\t\tname = \"${name}\"\n\t\tshards = [\n\t\t\t{\n\t\t\t\tname=\"${name}\"\n\t\t\t\treplicas = []\n\t\t\t}\n\t\t]\n\t}"
+    done
+
+    echo -e ${module_shards_string}"\n]"
+}
+
+function modules_builder
+{
+
+    modules_string="modules = [\n\t"
+    count=1
+    for name in ${FRIENDLY_MODULE_NAMES[@]} ; do
+        modules_string="${modules_string}\n\t{\n\t\tname = \"${name}\"\n\t\tnamespace = \"${MODULE_NAMESPACES[${count}]}\"\n\t\tshard-strategy = \"module\"\n\t},"
+        count=$[count + 1]
+    done
+
+    # using ::-1 below to remove the extra comma we get from the above loop
+    echo -e ${modules_string::-1}"\n]"
+}
+
+
+function get_index ()
+{
+    # Determine if the local IP address is in the CONTROLLER_LIST
+    # and its index in the list. Return the index.
+
+    local MY_IP=$1
+    shift
+    local IP_ADDRS=("$@")
+    local COUNTER=1
+
+    for IP in ${IP_ADDRS[@]} ;
+    do
+        if [ "$MY_IP" == "$IP" ]; then
+            echo "$COUNTER"
+            return
+        fi
+        COUNTER=$[$COUNTER + 1]
+    done
+    echo "$COUNTER"
+}
+
+function get_local_ip_addresses
+{
+    # Get the local node's IP addresses as list
+    LOCAL_IPS=()
+    for IP in `hostname -I`
+    do
+        LOCAL_IPS+=("$IP")
+    done
+    echo ${LOCAL_IPS[@]}
+}
+
+function get_cli_params
+{
+    # Check if params have been supplied
+    CONTROLLER_LIST=$*
+
+    # Verify we have controller list
+    test "${CONTROLLER_LIST}" == "" && usage "Missing controller list"
+
+    # Create the list of controllers from the CONTROLLER_LIST variable
+    CONTROLLERIPS=( ${CONTROLLER_LIST//,/ } )
+
+    # Get the local node's IP addresses
+    LOCAL_IPS=$(get_local_ip_addresses)
+
+    for CONTROLLER_IP in ${LOCAL_IPS[@]} ;
+    do
+        INDEX=$(get_index $CONTROLLER_IP ${CONTROLLERIPS[@]})
+        if [ ${INDEX} -le ${#CONTROLLERIPS[@]} ] ; then
+            break
+        fi
+    done
+
+    test ${INDEX} -le 0 -o ${INDEX} -gt ${#CONTROLLERIPS[@]} && \
+        usage "Controller's local IP address not in the controller list"
+
+    CONTROLLER_ID="member-${INDEX}"
+}
+
+
+function modify_conf_files
+{
+    BIN_DIR=`dirname $0`
+    CUSTOM_SHARD_CONFIG_FILE=${BIN_DIR}'/custom_shard_config.txt'
+    echo "Configuring unique name in akka.conf"
+    sed -i -e "/roles[ ]*=/ { :loop1 /.*\]/ b done1; N; b loop1; :done1 s/roles.*\]/roles = [\"${CONTROLLER_ID}\"]/}" ${AKKACONF}
+
+    echo "Configuring hostname in akka.conf"
+    sed -i -e "s/hostname[ ]*=.*\"/hostname = \"${CONTROLLER_IP}\"/" ${AKKACONF}
+
+    echo "Configuring data and rpc seed nodes in akka.conf"
+    sed -i -e "/seed-nodes[ ]*=/ { :loop2 /.*\]/ b done2; N; b loop2; :done2 s/seed-nodes.*opendaylight-cluster-data.*\]/seed-nodes = [${DATA_SEED_LIST}]/; s/seed-nodes.*odl-cluster-rpc.*\]/seed-nodes = [${RPC_SEED_LIST}]/}" ${AKKACONF}
+
+    if [ -f ${CUSTOM_SHARD_CONFIG_FILE} ]; then
+        source ${CUSTOM_SHARD_CONFIG_FILE}
+        if [ "${#FRIENDLY_MODULE_NAMES[@]}" -ne "${#MODULE_NAMESPACES[@]}" ]; then
+            echo -e "\ncustom shard config file \"${CUSTOM_SHARD_CONFIG_FILE}\" does not have the same number of FRIENDLY_MODULE_NAMES[] and MODULE_NAMESPACES[]\n"
+            exit 1
+        fi
+        module_shards_builder > ${MODULESHARDSCONF}
+        modules_builder > ${MODULESCONF}
+        cat ${MODULESCONF}
+    fi
+
+    echo "Configuring replication type in module-shards.conf"
+    sed -i -e "/^[^#].*replicas[ ]*=/ { :loop /.*\]/ b done; N; b loop; :done s/replicas.*\]/replicas = [${MEMBER_NAME_LIST}]/}" ${MODULESHARDSCONF}
+}
+
+
+function verify_configuration_files
+{
+    # Constants
+    BIN_DIR=`dirname $0`
+    test ${BIN_DIR} == '.' && BIN_DIR=${PWD}
+    CONTROLLER_DIR=`dirname ${BIN_DIR}`
+    CONF_DIR=${CONTROLLER_DIR}/configuration/initial
+    AKKACONF=${CONF_DIR}/akka.conf
+    MODULESCONF=${CONF_DIR}/modules.conf
+    MODULESHARDSCONF=${CONF_DIR}/module-shards.conf
+
+    # Verify configuration files are present in expected location.
+    if [ ! -f ${AKKACONF} -o ! -f ${MODULESHARDSCONF} ]; then
+        # Check if the configuration files exist in the system
+        # directory, then copy them over.
+        ORIG_CONF_DIR=${CONTROLLER_DIR}/system/org/opendaylight/controller/sal-clustering-config
+        version=$(sed -n -e 's/.*<version>\(.*\)<\/version>/\1/p' ${ORIG_CONF_DIR}/maven-metadata-local.xml)
+        ORIG_CONF_DIR=${ORIG_CONF_DIR}/${version}
+        ORIG_AKKA_CONF=sal-clustering-config-${version}-akkaconf.xml
+        ORIG_MODULES_CONF=sal-clustering-config-${version}-moduleconf.xml
+        ORIG_MODULESHARDS_CONF=sal-clustering-config-${version}-moduleshardconf.xml
+
+        if [ -f ${ORIG_CONF_DIR}/${ORIG_AKKA_CONF} -a \
+             -f ${ORIG_CONF_DIR}/${ORIG_MODULES_CONF} -a \
+             -f ${ORIG_CONF_DIR}/${ORIG_MODULESHARDS_CONF} ]; then
+            cat <<EOF
+ NOTE: Cluster configuration files not found. Copying from
+ ${ORIG_CONF_DIR}
+EOF
+            mkdir -p ${CONF_DIR}
+            cp ${ORIG_CONF_DIR}/${ORIG_AKKA_CONF} ${AKKACONF}
+            cp ${ORIG_CONF_DIR}/${ORIG_MODULES_CONF} ${MODULESCONF}
+            cp ${ORIG_CONF_DIR}/${ORIG_MODULESHARDS_CONF} ${MODULESHARDSCONF}
+
+        else
+            cat << EOF
+ ERROR: Cluster configurations files not found. Please\
+ configure clustering feature.
+EOF
+            exit 1
+        fi
+    fi
+}
+
+function main
+{
+    get_cli_params $*
+    start_banner
+    verify_configuration_files
+    create_strings
+    modify_conf_files
+    end_banner
+}
+
+main $*
+
+# vim: ts=4 sw=4 sts=4 et ft=sh :
diff --git a/opendaylight/neon/neon-alpine/src/main/odlscripts/configure_cluster.sh b/opendaylight/neon/neon-alpine/src/main/odlscripts/configure_cluster.sh
new file mode 100755 (executable)
index 0000000..c3f1a43
--- /dev/null
@@ -0,0 +1,228 @@
+#!/bin/bash
+#
+# Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Public License v1.0 which accompanies this distribution,
+# and is available at http://www.eclipse.org/legal/epl-v10.html
+#
+
+
+function usage()
+{
+    # Print any error messages
+    test "$1" != "" && echo " ERROR: $1"
+
+    # Print standard usage help
+    cat << EOF
+ This script is used to configure cluster parameters on this
+ controller. The user should restart controller to apply changes.
+
+ Usage: $0 <index> <seed_nodes_list>
+  - index: Integer within 1..N, where N is the number of seed nodes.
+  - seed_nodes_list: List of seed nodes, separated by comma or space.
+
+ The address at the provided index should belong this controller.
+ When running this script on multiple seed nodes, keep the
+ seed_node_list same, and vary the index from 1 through N.
+
+ Optionally, shards can be configured in a more granular way by
+ modifying the file "custom_shard_configs.txt" in the same folder
+ as this tool.  Please see that file for more details
+
+EOF
+
+    exit 1
+}
+
+
+function start_banner
+{
+cat <<EOF
+################################################
+##             Configure Cluster              ##
+################################################
+EOF
+}
+
+function end_banner
+{
+cat <<EOF
+################################################
+##   NOTE: Manually restart controller to     ##
+##         apply configuration.               ##
+################################################
+EOF
+}
+
+# Utility function for joining strings.
+function join {
+    delim=',\n\t\t\t\t'
+    final=$1; shift
+
+    for str in $* ; do
+        final=${final}${delim}${str}
+    done
+
+    echo ${final}
+}
+
+function create_strings
+{
+    # Using a list of controller IPs, create the strings for data
+    # and rpc seed nodes, as well as the list of members.
+
+    # First create an arrays with one string per controller.
+    # Then merge the array using the join utility defined above.
+    count=1
+    for ip in ${CONTROLLERIPS[@]} ; do
+        ds[$count]=\\\"akka.tcp:\\/\\/opendaylight-cluster-data@${ip}:2550\\\"
+        rpc[$count]=\\\"akka.tcp:\\/\\/odl-cluster-rpc@${ip}:2551\\\"
+        members[$count]=\\\"member-${count}\\\"
+        count=$[count + 1]
+    done
+
+    DATA_SEED_LIST=$(join ${ds[@]})
+    RPC_SEED_LIST=$(join ${rpc[@]})
+    MEMBER_NAME_LIST=$(join ${members[@]})
+}
+
+function module_shards_builder
+{
+
+    module_shards_string="module-shards = [\n\t{\n\t\tname = \"default\"\n\t\tshards = [\n\t\t\t{\n\t\t\t\tname = \"default\"\n\t\t\t\treplicas = []\n\t\t\t}\n\t\t]\n\t}"
+    for name in ${FRIENDLY_MODULE_NAMES[@]} ; do
+        module_shards_string="${module_shards_string},\n\t{\n\t\tname = \"${name}\"\n\t\tshards = [\n\t\t\t{\n\t\t\t\tname=\"${name}\"\n\t\t\t\treplicas = []\n\t\t\t}\n\t\t]\n\t}"
+    done
+
+    echo -e ${module_shards_string}"\n]"
+}
+
+function modules_builder
+{
+
+    modules_string="modules = [\n\t"
+    count=1
+    for name in ${FRIENDLY_MODULE_NAMES[@]} ; do
+        modules_string="${modules_string}\n\t{\n\t\tname = \"${name}\"\n\t\tnamespace = \"${MODULE_NAMESPACES[${count}]}\"\n\t\tshard-strategy = \"module\"\n\t},"
+        count=$[count + 1]
+    done
+
+    if [ ${count} == 1 ]; then
+        # if no modules found in custom_shard_config.txt just close the bracket
+        echo -e ${modules_string}"\n]"
+    else
+        # using ::-1 below to remove the extra comma we get from the above loop
+        echo -e ${modules_string::-1}"\n]"
+    fi
+}
+
+function get_cli_params
+{
+    # Check if params have been supplied
+    test $# -eq 0 && usage
+
+    # First param is index, and rest are controller list
+    INDEX=$1; shift
+    CONTROLLER_LIST=$*
+
+    # Verify we have controller list
+    test "${CONTROLLER_LIST}" == "" && usage "Missing controller list"
+
+    # Create the list of controllers from the CONTROLLER_LIST variable
+    CONTROLLERIPS=( ${CONTROLLER_LIST//,/ } )
+
+    test ${INDEX} -le 0 -o ${INDEX} -gt ${#CONTROLLERIPS[@]} && \
+        usage "Invalid index"
+
+    CONTROLLER_ID="member-${INDEX}"
+    CONTROLLER_IP="${CONTROLLERIPS[((${INDEX} - 1))]}"
+}
+
+
+function modify_conf_files
+{
+    BIN_DIR=`dirname $0`
+    CUSTOM_SHARD_CONFIG_FILE=${BIN_DIR}'/custom_shard_config.txt'
+    echo "Configuring unique name in akka.conf"
+    sed -i -e "/roles[ ]*=/ { :loop1 /.*\]/ b done1; N; b loop1; :done1 s/roles.*\]/roles = [\"${CONTROLLER_ID}\"]/}" ${AKKACONF}
+
+    echo "Configuring hostname in akka.conf"
+    sed -i -e "s/hostname[ ]*=.*\"/hostname = \"${CONTROLLER_IP}\"/" ${AKKACONF}
+
+    echo "Configuring data and rpc seed nodes in akka.conf"
+    sed -i -e "/seed-nodes[ ]*=/ { :loop2 /.*\]/ b done2; N; b loop2; :done2 s/seed-nodes.*opendaylight-cluster-data.*\]/seed-nodes = [${DATA_SEED_LIST}]/; s/seed-nodes.*odl-cluster-rpc.*\]/seed-nodes = [${RPC_SEED_LIST}]/}" ${AKKACONF}
+
+    if [ -f ${CUSTOM_SHARD_CONFIG_FILE} ]; then
+        source ${CUSTOM_SHARD_CONFIG_FILE}
+        if [ "${#FRIENDLY_MODULE_NAMES[@]}" -ne "${#MODULE_NAMESPACES[@]}" ]; then
+            echo -e "\ncustom shard config file \"${CUSTOM_SHARD_CONFIG_FILE}\" does not have the same number of FRIENDLY_MODULE_NAMES[] and MODULE_NAMESPACES[]\n"
+            exit 1
+        fi
+        module_shards_builder > ${MODULESHARDSCONF}
+        modules_builder > ${MODULESCONF}
+        cat ${MODULESCONF}
+    fi
+
+    echo "Configuring replication type in module-shards.conf"
+    sed -i -e "/^[^#].*replicas[ ]*=/ { :loop /.*\]/ b done; N; b loop; :done s/replicas.*\]/replicas = [${MEMBER_NAME_LIST}]/}" ${MODULESHARDSCONF}
+}
+
+
+function verify_configuration_files
+{
+    # Constants
+    BIN_DIR=`dirname $0`
+    test ${BIN_DIR} == '.' && BIN_DIR=${PWD}
+    CONTROLLER_DIR=`dirname ${BIN_DIR}`
+    CONF_DIR=${CONTROLLER_DIR}/configuration/initial
+    AKKACONF=${CONF_DIR}/akka.conf
+    MODULESCONF=${CONF_DIR}/modules.conf
+    MODULESHARDSCONF=${CONF_DIR}/module-shards.conf
+
+    # Verify configuration files are present in expected location.
+    if [ ! -f ${AKKACONF} -o ! -f ${MODULESHARDSCONF} ]; then
+        # Check if the configuration files exist in the system
+        # directory, then copy them over.
+        ORIG_CONF_DIR=${CONTROLLER_DIR}/system/org/opendaylight/controller/sal-clustering-config
+        version=$(sed -n -e 's/.*<version>\(.*\)<\/version>/\1/p' ${ORIG_CONF_DIR}/maven-metadata-local.xml)
+        ORIG_CONF_DIR=${ORIG_CONF_DIR}/${version}
+        ORIG_AKKA_CONF=sal-clustering-config-${version}-akkaconf.xml
+        ORIG_MODULES_CONF=sal-clustering-config-${version}-moduleconf.xml
+        ORIG_MODULESHARDS_CONF=sal-clustering-config-${version}-moduleshardconf.xml
+
+        if [ -f ${ORIG_CONF_DIR}/${ORIG_AKKA_CONF} -a \
+             -f ${ORIG_CONF_DIR}/${ORIG_MODULES_CONF} -a \
+             -f ${ORIG_CONF_DIR}/${ORIG_MODULESHARDS_CONF} ]; then
+            cat <<EOF
+ NOTE: Cluster configuration files not found. Copying from
+ ${ORIG_CONF_DIR}
+EOF
+            mkdir -p ${CONF_DIR}
+            cp ${ORIG_CONF_DIR}/${ORIG_AKKA_CONF} ${AKKACONF}
+            cp ${ORIG_CONF_DIR}/${ORIG_MODULES_CONF} ${MODULESCONF}
+            cp ${ORIG_CONF_DIR}/${ORIG_MODULESHARDS_CONF} ${MODULESHARDSCONF}
+
+        else
+            cat << EOF
+ ERROR: Cluster configurations files not found. Please\
+ configure clustering feature.
+EOF
+            exit 1
+        fi
+    fi
+}
+
+function main
+{
+    get_cli_params $*
+    start_banner
+    verify_configuration_files
+    create_strings
+    modify_conf_files
+    end_banner
+}
+
+main $*
+
+# vim: ts=4 sw=4 sts=4 et ft=sh :
diff --git a/opendaylight/neon/neon-alpine/src/main/odlscripts/custom_shard_config.txt b/opendaylight/neon/neon-alpine/src/main/odlscripts/custom_shard_config.txt
new file mode 100755 (executable)
index 0000000..e536349
--- /dev/null
@@ -0,0 +1,17 @@
+# If this file has entries, they will be used to configure the module
+# shards that will be available.  Otherwise, the default shards will
+# be used.  Below, the commented lines are the current default shards
+# (inventory, network-topology, and toaster)
+#
+# These configurations are an array and the indexes need to increment
+# from 1,2,3...
+#
+# There is a FRIENDLY_MODULE_NAME[$index] that will map to the
+# MODULE_NAMESPACES[$index]
+#
+FRIENDLY_MODULE_NAMES[1]='inventory'
+MODULE_NAMESPACES[1]='urn:opendaylight:inventory'
+FRIENDLY_MODULE_NAMES[2]='topology'
+MODULE_NAMESPACES[2]='urn:TBD:params:xml:ns:yang:network-topology'
+FRIENDLY_MODULE_NAMES[3]='toaster'
+MODULE_NAMESPACES[3]='http://netconfcentral.org/ns/toaster'
diff --git a/opendaylight/neon/neon-alpine/src/main/odlscripts/set_persistence.sh b/opendaylight/neon/neon-alpine/src/main/odlscripts/set_persistence.sh
new file mode 100755 (executable)
index 0000000..15c2271
--- /dev/null
@@ -0,0 +1,111 @@
+#!/bin/bash
+#
+# Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Public License v1.0 which accompanies this distribution,
+# and is available at http://www.eclipse.org/legal/epl-v10.html
+#
+
+
+function usage()
+{
+    # Print any error messages
+    test "$1" != "" && echo " ERROR: $1"
+
+    # Print standard usage help
+    cat << EOF
+ This script is used to enable or disable the config datastore
+ persistence. The default state is enabled. The user should
+ restart controller to apply changes. The script can be used
+ before starting controller for the first time.
+
+ Usage: $0 <on/off>
+
+EOF
+
+    exit 1
+}
+
+
+function end_banner
+{
+cat <<EOF
+################################################
+##   NOTE: Manually restart controller to     ##
+##         apply configuration.               ##
+################################################
+EOF
+}
+
+
+function get_cli_params
+{
+    # Check if params have been supplied
+    test $# -eq 0 && usage
+
+    # First param is on/off
+    SWITCH="$1"
+
+    # Verify we only have 1 param
+    test $# -ne 1 && usage "Too many parameters"
+}
+
+
+function modify_conf_file
+{
+    if [ "${SWITCH}" == "off"  ]; then
+        echo "disabling config datastore persistence"
+        sed -i -e "s/^#persistent=true/persistent=false/" ${CLUSTERCONF}
+    elif [ "${SWITCH}" == "on"  ]; then
+        echo "enabling config datastore persistence"
+        sed -i -e "s/^persistent=false/#persistent=true/" ${CLUSTERCONF}
+    else
+        usage "Allowed values are on/off"
+    fi
+}
+
+
+function verify_configuration_file
+{
+    # Constants
+    BIN_DIR=`dirname $0`
+    test ${BIN_DIR} == '.' && BIN_DIR=${PWD}
+    CONTROLLER_DIR=`dirname ${BIN_DIR}`
+    CONF_DIR=${CONTROLLER_DIR}/etc
+    CLUSTERCONF=${CONF_DIR}/org.opendaylight.controller.cluster.datastore.cfg
+
+    # Verify configuration files are present in expected location.
+    if [ ! -f ${CLUSTERCONF} ]; then
+        # Check if the configuration files exist in the system
+        # directory, then copy them over.
+        ORIG_CONF_DIR=${CONTROLLER_DIR}/system/org/opendaylight/controller/sal-clustering-config
+        version=$(sed -n -e 's/.*<version>\(.*\)<\/version>/\1/p' ${ORIG_CONF_DIR}/maven-metadata-local.xml)
+        ORIG_CONF_DIR=${ORIG_CONF_DIR}/${version}
+        ORIG_CLUSTER_CONF=sal-clustering-config-${version}-datastore.cfg
+
+        if [ -f ${ORIG_CONF_DIR}/${ORIG_CLUSTER_CONF} ]; then
+            cat <<EOF
+ NOTE: Cluster configuration file not found. Copying from
+ ${ORIG_CONF_DIR}
+EOF
+            cp ${ORIG_CONF_DIR}/${ORIG_CLUSTER_CONF} ${CLUSTERCONF}
+
+        else
+            usage "Cluster configuration file not found"
+        fi
+    fi
+}
+
+function main
+{
+    get_cli_params "$@"
+    verify_configuration_file
+    modify_conf_file
+    end_banner
+}
+
+main "$@"
+
+# vim: ts=4 sw=4 sts=4 et ft=sh :
+

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