helper script to simulate rebind during upgrade

Author: ggivo

tools/rebind.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+export PATH=/opt/redislabs/bin:$PATH
+
+
+get_endpoint() {
+    result=`rladmin status | grep $1 | grep single`
+    echo $result
+}
+
+
+get_public_ip() {
+    result=`rladmin status | tr -s ' ' | grep "node:$1" | grep '/' | cut -d' ' -f4`
+    echo $result
+}
+
+time_s() {
+    result=`date +%s`
+    echo $result
+}
+
+DB_NAME=hitless-upgrade
+DB_PWD=test123
+DB_PORT=17630
+EP=`get_endpoint $DB_NAME`
+
+
+DB_ID=`echo $EP | cut -d' ' -f1 | cut -d':' -f2`
+EP_ID=`echo $EP | cut -d' ' -f3 | cut -d':' -f2,3`
+EP_CURR=`echo $EP | cut -d' ' -f4 | cut -d':' -f2`
+EP_TO=-1
+
+if [ "$EP_CURR" -eq 2 ]
+then
+  EP_TO=1
+elif [ "$EP_CURR" -eq 1 ]
+then
+  EP_TO=2
+fi
+
+EP_CURR_IP=`get_public_ip $EP_CURR`
+EP_TO_IP=`get_public_ip $EP_TO`
+
+echo "`time_s` - Rebinding endpoint $EP_ID from $EP_CURR_IP to $EP_TO_IP ..."
+rladmin bind endpoint $EP_ID include $EP_TO
+echo "`time_s` - Included the new endpoint $EP_TO_IP."
+sleep 5
+
+# redis-cli -3 -h $EP_CURR_IP -p $DB_PORT -a $DB_PWD PUBLISH __rebind "type=rebind;from_ep=$EP_CURR_IP:$DB_PORT;to_ep=$EP_TO_IP:$DB_PORT;until_s=10"
+msg_payload=$(printf '["MOVING",30,"%s:%s"]' "$EP_TO_IP" "$DB_PORT")
+ccs-cli HSET endpoint:$EP_ID push_notification $msg_payload
+ccs-cli HSET bdb:$DB_ID _changestate:dmc:$EP_CURR pending
+ccs-cli PUBLISH config-change:dmc:$EP_CURR @bdb:$DB_ID
+
+echo "Notified the client."
+sleep 10
+echo "`time_s` - Completing the rebind ..."
+rladmin bind endpoint $EP_ID exclude $EP_CURR
+echo "`time_s` - Excluded the previous endpoint $EP_CURR_IP."