feat(node): try to manage scale up and scale down

resources/node/files/scripts/pre-stop-sentinel.sh

@@ -1,29 +1,16 @@
 #!/bin/sh
 
-vcli() {
-    valkey-cli -h 127.0.0.1 -p "${VALKEY_SENTINEL_PORT}" "sentinel" "$@"
-    return $?
-}
-
-getFailOverStatus() {
-    # Check if the failover is finished
-    local failoverStatus
-    primaryInfo=($(vcli get-primary-addr-by-name "mymaster"))
-    primaryHost=$(echo ${primaryInfo} | awk -F ' ' '{print $1}')
-    currentHost=$(hostname -f)
-    if [[ "${primaryHost}" != "${currentHost}" ]] then
-        echo "Failover finished"
-        return 0
-    else
-        echo "Failover in progress"
-        return 1
-    fi
-}
+source /opt/scripts/common.sh
 
 tmout=120
-while getFailOverStatus; do
+while true ; do
     echo "I'm the primary pod and you are stopping me. Starting sentinel failover"
     echo "Waiting for failover to finish..."
+    fo=$(getFailOverStatus)
+    if [ $? -eq 0 ]; then
+        echo "Primary has been successfully failed over to a different pod."
+        break
+    fi
 
     sleep 1
     tmout=$((tmout - 1))
@@ -32,5 +19,14 @@ while getFailOverStatus; do
         exit 1
     fi
 done
+
 echo "Primary has been successfuly failed over to a different pod."
+
+echo "Removing myself from the sentinel configuration"
+sentinelReset $(hostname -f)
+if [ $? -ne 0 ]; then
+    echo "Failed to remove myself from the sentinel configuration"
+    exit 1
+fi
+
 exit 0