[jira] [Created] (MESOS-9816) Add draining state information to master event stream and state endpoints

["Joseph Wu (JIRA)" <ji...@apache.org>]

Joseph Wu created MESOS-9816:
--------------------------------

             Summary: Add draining state information to master event stream and state endpoints
                 Key: MESOS-9816
                 URL: https://issues.apache.org/jira/browse/MESOS-9816
             Project: Mesos
          Issue Type: Task
          Components: master
            Reporter: Joseph Wu


The response for {{GET_STATE}} and {{GET_AGENTS}} should include the new fields indicating deactivation or draining states:
{code}
message Response {
  . . .

  message GetAgents {
    message Agent {
      . . .

      optional bool deactivated = 12;
      optional DrainInfo drain_info = 13;

      . . .
    }
  }
  . . .
}
{code}

Additionally, the master's event stream should get a new event whenever these states change:
{code}
message Event {
  . . .

  enum Type {
    . . .

    AGENT_UPDATED = 10;
  }

  message AgentUpdated {
    optional bool deactivated = 1;
    optional DrainInfo drain_info = 2;
  }

  . . .

  optional AgentUpdated agent_updated = 10;
}
{code}



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