chore(helm): check github availability before clone

Signed-off-by: rjshrjndrn <rjshrjndrn@gmail.com>

scripts/helmcharts/openreplay/templates/job.yaml

@@ -58,7 +58,23 @@ spec:
           - |
             set -x
             mkdir -p /opt/openreplay/openreplay && cd /opt/openreplay/openreplay
-            git clone {{ .Values.global.dbMigrationUpstreamRepoURL | default "https://github.com/openreplay/openreplay" }} .
+
+            # Function to check if GitHub is available
+            check_github() {
+              for i in {1..10}; do
+                if ping -c 1 github.com &> /dev/null; then
+                  echo "GitHub is available."
+                  git clone {{ .Values.global.dbMigrationUpstreamRepoURL | default "https://github.com/openreplay/openreplay" }} .
+                  break
+                else
+                  echo "GitHub is not available. Retrying in 3 seconds..."
+                  sleep 3
+                fi
+              done
+            }
+
+            check_github
+
             ls /opt/openreplay/openreplay
             git checkout {{ default .Chart.AppVersion .Values.dbMigrationUpstreamBranch }} || exit 10
             {{ .Values.global.dbMigrationPreCommand | default "" }}