Update script

templates/update-opensearch-plugins.j2

@@ -1,22 +1,24 @@
-#!/bin/sh
+#!/bin/bash
 # {{ ansible_managed }}
 
 set -eu
 
 OPENSEARCH_BIN_PATH=/usr/share/opensearch/bin
 OPENSEARCH_SERVICE=opensearch.service
-PLUGINS=(
-    ingest-attachment
-)
 
 ACTION="${1:-help}"
 
 case "$ACTION" in
     purge)
-        for plugin in "${PLUGINS[@]}"; do
-            $OPENSEARCH_BIN_PATH/opensearch-plugin remove $plugin --batch
-        done
-        systemctl restart $OPENSEARCH_SERVICE
+        PLUGINS=$($OPENSEARCH_BIN_PATH/opensearch-plugin list | grep -v opensearch-)
+        if [[ -z "$PLUGINS" ]]; then
+            exit 0
+        else
+            for plugin in "${PLUGINS[@]}"; do
+                $OPENSEARCH_BIN_PATH/opensearch-plugin remove $plugin
+            done
+            systemctl restart $OPENSEARCH_SERVICE
+        fi
         ;;
     install)
         for plugin in "${PLUGINS[@]}"; do