safer backup/restore script

backup-postgres.sh

@@ -2,21 +2,32 @@ if [ "$1" == "pre-backup" ]; then
   # Remove any existing db dump and then create a new one
   rm -rf $DATA_DIR/postgres/postgres-backup
   source /baserow/data/.pgpass
-  PGPASSWORD=$DATABASE_PASSWORD pg_dump -j 8 -h localhost -U baserow baserow --format=directory -f $DATA_DIR/postgres/postgres-backup
+  PGPASSWORD=$DATABASE_PASSWORD pg_dump -j 2 -h localhost -U baserow baserow --format=directory -f $DATA_DIR/postgres/postgres-backup
   exit
 fi
 
 if [ "$1" == "post-backup" ]; then
-  rm -rf $DATA_DIR/postgres/postgres-backup
+#  rm -rf $DATA_DIR/postgres/postgres-backup
   exit
 fi
 
 if [ "$1" == "pre-restore" ]; then
+  pkill -STOP -f "webfrontend"
+  pkill -STOP -f "celery"
+  pkill -STOP -f "caddy"
+  
+  # Disconnect any remaining idle sessions from the 'baserow' database
+  # This prevents "database is being accessed by other users" errors during pg_restore -c
+  source /baserow/data/.pgpass
+  PGPASSWORD=$DATABASE_PASSWORD psql -h localhost -U baserow -d postgres -c "SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = 'baserow' AND pid <> pg_backend_pid();"
   exit
 fi
 
 if [ "$1" == "post-restore" ]; then
   source /baserow/data/.pgpass
-  PGPASSWORD=$DATABASE_PASSWORD pg_restore -j 8 -h localhost -U baserow -d baserow -c $DATA_DIR/postgres/postgres-backup
+  PGPASSWORD=$DATABASE_PASSWORD pg_restore -j 2 -h localhost -U baserow -d baserow -c $DATA_DIR/postgres/postgres-backup
+  pkill -CONT -f "webfrontend"
+  pkill -CONT -f "celery"
+  pkill -CONT -f "caddy"
   exit
 fi