Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/18084#discussion_r118376781
--- Diff:
core/src/test/scala/org/apache/spark/deploy/master/MasterSuite.scala ---
@@ -499,4 +500,103 @@ class MasterSuite extends SparkFunSuite
assert(receivedMasterAddress === RpcAddress("localhost2", 10000))
}
}
+
+ test("SPARK-19900: there should be a corresponding driver for the app
after relaunching driver") {
+ val conf = new SparkConf().set("spark.worker.timeout", "1")
+ val master = makeMaster(conf)
+ master.rpcEnv.setupEndpoint(Master.ENDPOINT_NAME, master)
+ eventually(timeout(10.seconds)) {
+ val masterState =
master.self.askSync[MasterStateResponse](RequestMasterState)
+ assert(masterState.status === RecoveryState.ALIVE, "Master is not
alive")
+ }
+
+ val app = DeployTestUtils.createAppDesc()
+ var appId = ""
+ val driverEnv1 = RpcEnv.create("driver1", "localhost", 22344, conf,
new SecurityManager(conf))
+ val fakeDriver1 = driverEnv1.setupEndpoint("driver", new RpcEndpoint {
+ override val rpcEnv: RpcEnv = driverEnv1
+ override def receive: PartialFunction[Any, Unit] = {
+ case RegisteredApplication(id, _) => appId = id
+ }
+ })
+ val drivers = new HashMap[String, String]
+ val workerEnv1 = RpcEnv.create("worker1", "localhost", 12344, conf,
new SecurityManager(conf))
+ val fakeWorker1 = workerEnv1.setupEndpoint("worker", new RpcEndpoint {
+ override val rpcEnv: RpcEnv = workerEnv1
+ override def receive: PartialFunction[Any, Unit] = {
+ case RegisteredWorker(masterRef, _, _) =>
+ masterRef.send(WorkerLatestState("1", Nil, drivers.keys.toSeq))
+ case LaunchDriver(id, desc) =>
+ drivers(id) = id
+ master.self.send(RegisterApplication(app, fakeDriver1))
+ case KillDriver(driverId) =>
+ master.self.send(DriverStateChanged(driverId,
DriverState.KILLED, None))
+ drivers.remove(driverId)
+ }
+ })
+ val worker1 = RegisterWorker(
+ "1",
+ "localhost",
+ 9999,
+ fakeWorker1,
+ 10,
+ 1024,
+ "http://localhost:8080";,
+ RpcAddress("localhost2", 10000))
+ master.self.send(worker1)
+ val driver = DeployTestUtils.createDriverDesc().copy(supervise = true)
+ master.self.askSync[SubmitDriverResponse](RequestSubmitDriver(driver))
+
+ eventually(timeout(10.seconds)) {
+ assert(!appId.isEmpty)
+ }
+
+ eventually(timeout(10.seconds)) {
+ val masterState =
master.self.askSync[MasterStateResponse](RequestMasterState)
+ assert(masterState.workers(0).state == WorkerState.DEAD)
+ }
+
+ val driverEnv2 = RpcEnv.create("driver2", "localhost", 22345, conf,
new SecurityManager(conf))
+ val fakeDriver2 = driverEnv2.setupEndpoint("driver", new RpcEndpoint {
--- End diff --
I believe these duplicate code can be combined.
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