[jira] [Created] (YARN-8141) YARN Native Service: Respect YARN_CONTAINER_RUNTIME_DOCKER_LOCAL_RESOURCE_MOUNTS specified in service spec

["Wangda Tan (JIRA)" <ji...@apache.org>]

Wangda Tan created YARN-8141:
--------------------------------

             Summary: YARN Native Service: Respect YARN_CONTAINER_RUNTIME_DOCKER_LOCAL_RESOURCE_MOUNTS specified in service spec
                 Key: YARN-8141
                 URL: https://issues.apache.org/jira/browse/YARN-8141
             Project: Hadoop YARN
          Issue Type: Bug
          Components: yarn-native-services
            Reporter: Wangda Tan


Existing YARN native service overwrites YARN_CONTAINER_RUNTIME_DOCKER_LOCAL_RESOURCE_MOUNTS regardless if user specified this in service spec or not. It is important to allow user to mount local folders like /etc/passwd, etc.

Following logic overwrites the YARN_CONTAINER_RUNTIME_DOCKER_LOCAL_RESOURCE_MOUNTS environment:
{code:java}
StringBuilder sb = new StringBuilder();
for (Entry<String,String> mount : mountPaths.entrySet()) {
  if (sb.length() > 0) {
    sb.append(",");
  }
  sb.append(mount.getKey());
  sb.append(":");
  sb.append(mount.getValue());
}
env.put("YARN_CONTAINER_RUNTIME_DOCKER_LOCAL_RESOURCE_MOUNTS", sb.toString());{code}
Inside AbstractLauncher.java



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