[GitHub] [skywalking] kezhenxu94 commented on a change in pull request #4493: Support Secrets Management File in the ElasticSearch 6/7 storage

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kezhenxu94 commented on a change in pull request #4493: Support Secrets Management File in the ElasticSearch 6/7 storage
URL: https://github.com/apache/skywalking/pull/4493#discussion_r390877727
 
 

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 File path: oap-server/server-storage-plugin/storage-elasticsearch-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/elasticsearch/StorageModuleElasticsearchProvider.java
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 @@ -117,6 +120,31 @@ public void prepare() throws ServiceNotProvidedException {
         if (config.getDayStep() > 1) {
             TimeSeriesUtils.setDAY_STEP(config.getDayStep());
         }
+
+        if (!StringUtil.isEmpty(config.getSecretsManagementFile())) {
+            MultipleFilesChangeMonitor monitor = new MultipleFilesChangeMonitor(
+                10, readableContents -> {
+                    final byte[] secretsFileContent = readableContents.get(0);
+                    if (secretsFileContent == null) {
+                        return;
+                    }
+                    Properties userAndPass = new Properties();
+                    userAndPass.load(new ByteArrayInputStream(secretsFileContent));
+                    config.setUser(userAndPass.getProperty("user"));
+                    config.setPassword(userAndPass.getProperty("password"));
+
+                    if (elasticSearchClient == null) {
+                        //In the startup process, we just need to change the username/password
 
 Review comment:
   Make `elasticSearchClient` volatile?

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