[jira] [Created] (MESOS-9814) Implement DrainAgent master/operator call with associated registry actions

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

Joseph Wu created MESOS-9814:
--------------------------------

             Summary: Implement DrainAgent master/operator call with associated registry actions
                 Key: MESOS-9814
                 URL: https://issues.apache.org/jira/browse/MESOS-9814
             Project: Mesos
          Issue Type: Task
          Components: master
            Reporter: Joseph Wu


We want to add several calls associated with agent draining:
{code}
message Call {
  enum Type {

    . . .

    DRAIN_AGENT = 37;
    DEACTIVATE_AGENT = 38;
    REACTIVATE_AGENT = 39;
  }

  . . .

  message DrainAgents {
    message DrainConfig {
      required AgentID agent = 1;

      // The duration after which the agent should complete draining.
      // If tasks are still running after this time, they will
      // be forcefully terminated.
      optional Duration max_grace_period = 2;

      // Whether or not this agent will be removed permanently
      // from the cluster when draining is complete.
      optional bool destructive = 3 [default = false];
    }

    repeated DrainConfig drain_config = 1;
  }

  message DeactivateAgents {
    repeated AgentID agents = 1;
  }

  message ReactivateAgents {
    repeated AgentID agents = 1;
  }
}
{code}

Each field will be persisted in the registry:
{code}
message Registry {

  . . .

  message Slave {
    . . .

    optional DrainInfo drain_info = 2;
  }

  . . .

  message UnreachableSlave {
    . . .

    optional DrainInfo drain_info = 3;
  }
}
{code}



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