Impove security plugin enabling check (opensearch-project#792)

Signed-off-by: Hailong Cui <[email protected]>
Signed-off-by: Aniruddh Srivastava <[email protected]>

.github/workflows/security-notifications-test-workflow.yml

@@ -79,10 +79,10 @@ jobs:
       - name: Run Notification Test for security enabled test cases
         if: env.imagePresent == 'true'
         run: |
-          cluster_running=`curl -XGET https://localhost:9200/_cat/plugins -u admin:admin --insecure`
-          echo $cluster_running
-          security=`curl -XGET https://localhost:9200/_cat/plugins -u admin:admin --insecure |grep opensearch-security|wc -l`
-          echo $security
+          container_id=`docker ps -q`
+          plugins=`docker exec $container_id /usr/share/opensearch/bin/opensearch-plugin list`
+          echo "plugins: $plugins" 
+          security=`echo $plugins | grep opensearch-security | wc -l`
           if [ $security -gt 0 ]
           then
             echo "Security plugin is available"
@@ -91,4 +91,4 @@ jobs:
           else
             echo "Security plugin is NOT available skipping this run as tests without security have already been run"
             exit 1
-          fi
+          fi