p2c3 => delete index

Author: hardikshakya-simformsolutions

p2-integrate-elasticsearch-with-node/deleteIndex.js

@@ -0,0 +1,29 @@
+const elasticsearch = require('elasticsearch');
+const indexName='demo_elastic_index';
+const deleteIndex = async () => {
+  const client = new elasticsearch.Client({
+  host: 'localhost:9200',
+  // log: 'trace',
+  });
+await client.ping({
+  requestTimeout: 3000
+  }, function (error) {
+       if (error) {
+          console.trace('elasticsearch cluster is down!');
+       } else {
+          console.log('Elastic search is running.');
+       }
+    });
+  try {
+     await client.indices.delete({index: indexName});
+     console.log('All index is deleted');
+     } catch (e) {
+          //   console.log("Error in deleteing index",e);
+               if (e.status === 404) {
+                      console.log('Index Not Found');
+               } else {
+                   throw e;
+               }
+     }
+}
+deleteIndex();