upgrade the pg

Signed-off-by: myan <[email protected]>

doc/upgrade/restore_event_tables.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Tables: `history.local_compliance` and `history.local_compliance_job_log`
+
+# Set namespace and pod names
+NAMESPACE="${1:-multicluster-global-hub}"
+SOURCE_POD="multicluster-global-hub-postgres-0"       # Source pod
+SOURCE_CONTAINER="multicluster-global-hub-postgres"   # Source container
+TARGET_POD="multicluster-global-hub-postgresql-0"     # Target pod
+TARGET_CONTAINER="multicluster-global-hub-postgresql" # Target container
+REMOTE_PATH="/tmp/history_tables_backup.sql"          # Without leading `/` to suppress tar warnings
+DB_NAME="hoh"
+DB_USER="postgres"
+
+echo "Using namespace: $NAMESPACE"
+
+# Backup from source pod
+echo ">> Backing up history tables from $SOURCE_POD ($SOURCE_CONTAINER)..."
+kubectl exec -c $SOURCE_CONTAINER $SOURCE_POD -n $NAMESPACE -- pg_dump -U $DB_USER -d $DB_NAME -t 'history.*' --data-only -f $REMOTE_PATH 2>/dev/null
+kubectl cp $NAMESPACE/$SOURCE_POD:$REMOTE_PATH ./history_tables_backup.sql -c $SOURCE_CONTAINER >/dev/null 2>&1
+echo ">> Backup completed."
+
+# Restore to target pod
+echo ">> Restoring history tables to $TARGET_POD ($TARGET_CONTAINER)..."
+kubectl cp ./history_tables_backup.sql $NAMESPACE/$TARGET_POD:$REMOTE_PATH -c $TARGET_CONTAINER
+kubectl exec -c $TARGET_CONTAINER $TARGET_POD -n $NAMESPACE -- psql -U $DB_USER -d $DB_NAME -f $REMOTE_PATH
+echo ">> Restore completed."
+
+# Cleanup
+echo ">> Cleaning up temporary files..."
+kubectl exec -c $SOURCE_CONTAINER $SOURCE_POD -n $NAMESPACE -- rm $REMOTE_PATH
+kubectl exec -c $TARGET_CONTAINER $TARGET_POD -n $NAMESPACE -- rm $REMOTE_PATH
+rm ./history_tables_backup.sql
+echo ">> Local and remote backup files removed. Done!"

doc/upgrade/upgrade_to_globalhub_1.4.0.md

@@ -6,24 +6,9 @@ But the history data like event and history tables will be be recovered. If you
 
 ### History data backup and restore[Optional]
 
-1. Restore History Tables
+1. Restore History Tables use the script `./doc/upgrade/restore_history_tables.sh`.
 
-- Target tables: `history.local_compliance` and `history.local_compliance_job_log`
-
-- Bacup
-
-```bash
-kubectl exec -it multicluster-global-hub-postgres-0 -n multicluster-global-hub -- pg_dump -U postgres -d hoh -t 'history.*' --data-only -f /tmp/history_tables_backup.sql
-kubectl cp multicluster-global-hub/multicluster-global-hub-postgres-0:/tmp/history_tables_backup.sql ./history_tables_backup.sql
-```
-
-- Restore
-
-```bash
-kubectl cp ./history_tables_backup.sql multicluster-global-hub/multicluster-global-hub-postgresql-0:/tmp/history_tables_backup.sql
-kubectl exec -it multicluster-global-hub-postgresql-0 -n multicluster-global-hub -- psql -U postgres -d hoh -f /tmp/history_tables_backup.sql
-kubectl exec -it multicluster-global-hub-postgresql-0 -n multicluster-global-hub -- rm /tmp/history_tables_backup.sql
-```
+2. Restore Event Tables use the script `./doc/upgrade/restore_event_tables.sh`.
 
 ### Delete the legacy builtin postgres resources manually[Optional]