feat(node): adding node component

Cleaning up the repo

components/node/files/scripts/start-node.sh

@@ -0,0 +1,105 @@
+#!/bin/sh
+
+pingSentinel() {
+    resp=$(timeout -s 15 $1 \
+        valkey-cli \
+        -h ${VALKEY_HEADLESS_SERVICE} \
+        -p ${VALKEY_SENTINEL_PORT} \
+        ping)
+    ret=${?}
+    echo $resp
+    return ${ret}
+}
+
+getPrimaryInfo() {
+    sentinelMasterName="${VALKEY_MASTER_NAME:-"mymaster"}"
+    valkey-cli -t 15 --csv -h ${VALKEY_HEADLESS_SERVICE} -p ${VALKEY_SENTINEL_PORT} sentinel get-primary-addr-by-name "${sentinelMasterName}"| \
+        awk -F ',' '{ gsub(/"/,"",$0); print $1 " " $2 }'
+    return ${?}
+}
+
+waitForSentinel() {
+    tout=60
+    while true; do
+        response=$(pingSentinel 5)
+        if [ "${response}" = "PONG" ]; then
+            echo "Sentinel is responding"
+            break
+            return 0
+        fi
+
+        echo "Sentinel is not responding [${response}]"
+        sleep 1
+        tout=$((tout - 1))
+        if [ "${tout}" -le 0 ]; then
+            echo "Sentinel ping timed out"
+            return 124
+        fi
+    done
+    sleep 10
+}
+
+startValkey() {
+    # Start Valkey
+    echo "Running : [valkey-server ${@}]"
+    valkey-server ${@}
+    ret=${?}
+    if [ "${ret}" -ne 0 ]; then
+        echo "Failed to start Valkey"
+        exit ${ret}
+    fi
+}
+
+setupPrimary=0
+primaryHost=""
+primaryPort=""
+
+
+#if [[ -f /etc/valkey/sentinel.conf ]]; then
+#    primaryHost="$(awk '/monitor/ {print $4}' /etc/valkey/sentinel.conf)"
+#    primaryPort="$(awk '/monitor/ {print $5}' /etc/valkey/sentinel.conf)"
+#    echo "Found previous primary ${primaryHost}:${primaryPort}"
+#fi
+
+if [[ ! -f /etc/valkey/replication.conf ]]; then
+    cp /etc/valkey/replication.conf.orig /etc/valkey/replication.conf
+fi
+
+waitForSentinel
+ret=${?}
+if [ "${ret}" -ne 0 ]; then
+    exit ${ret}
+fi
+
+primaryInfo=$(getPrimaryInfo)
+if [ "${?}" -ne 0 ]; then
+    echo "No primary found, seting up node as primary"
+    startPrimary=1
+else
+    primaryHost=$(echo ${primaryInfo} | awk -F ' ' '{print $1}')
+    primaryPort=$(echo ${primaryInfo} | awk -F ' ' '{print $2}')
+    echo "Primary host is : ${primaryHost}, port: ${primaryPort}"
+    currentHost=$(hostname -f)
+    echo "Current host is : ${currentHost}"
+    if [ "${primaryHost}" = "NULL" ]; then
+        echo "Not primary yet, starting as primary"
+        startPrimary=1
+    else
+        if [ "${primaryHost}" != "${currentHost}" ]; then
+            echo "Not the primary, setting up as replica"
+            startPrimary=0
+        else
+            echo "This is the primary"
+            startPrimary=1
+        fi
+    fi
+fi
+
+if [ "${startPrimary}" -eq 1 ]; then
+    echo "Starting Valkey as primary"
+    cat $1
+    startValkey ${@}
+else
+    echo "Starting Valkey as replica"
+    startValkey ${@} "--replicaof" "${primaryHost}" "${primaryPort}"
+fi