Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/2315#discussion_r74941614
--- Diff:
flink-mesos/src/main/java/org/apache/flink/mesos/runtime/clusterframework/LaunchableMesosWorker.java
---
@@ -0,0 +1,205 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.mesos.runtime.clusterframework;
+
+import com.netflix.fenzo.ConstraintEvaluator;
+import com.netflix.fenzo.TaskAssignmentResult;
+import com.netflix.fenzo.TaskRequest;
+import com.netflix.fenzo.VMTaskFitnessCalculator;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.mesos.cli.FlinkMesosSessionCli;
+import org.apache.flink.mesos.scheduler.LaunchableTask;
+import org.apache.mesos.Protos;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicReference;
+
+import static org.apache.flink.mesos.Utils.variable;
+import static org.apache.flink.mesos.Utils.range;
+import static org.apache.flink.mesos.Utils.ranges;
+import static org.apache.flink.mesos.Utils.scalar;
+
+/**
+ * Specifies how to launch a Mesos worker.
+ */
+public class LaunchableMesosWorker implements LaunchableTask {
+
+ /**
+ * The set of configuration keys to be dynamically configured with a
port allocated from Mesos.
+ */
+ private static String[] TM_PORT_KEYS = {
+ "taskmanager.rpc.port",
+ "taskmanager.data.port" };
+
+ private final MesosTaskManagerParameters params;
+ private final Protos.TaskInfo.Builder template;
+ private final Protos.TaskID taskID;
+ private final Request taskRequest;
+
+ /**
+ * Construct a launchable Mesos worker.
+ * @param params the TM parameters such as memory, cpu to acquire.
+ * @param template a template for the TaskInfo to be constructed at
launch time.
+ * @param taskID the taskID for this worker.
+ */
+ public LaunchableMesosWorker(MesosTaskManagerParameters params,
Protos.TaskInfo.Builder template, Protos.TaskID taskID) {
+ this.params = params;
+ this.template = template;
+ this.taskID = taskID;
+ this.taskRequest = new Request();
+ }
+
+ public Protos.TaskID taskID() {
+ return taskID;
+ }
+
+ @Override
+ public TaskRequest taskRequest() {
+ return taskRequest;
+ }
+
+ class Request implements TaskRequest {
+ private final AtomicReference<TaskRequest.AssignedResources>
assignedResources = new AtomicReference<>();
+
+ @Override
+ public String getId() {
+ return taskID.getValue();
+ }
+
+ @Override
+ public String taskGroupName() {
+ return "";
+ }
+
+ @Override
+ public double getCPUs() {
+ return params.cpus();
+ }
+
+ @Override
+ public double getMemory() {
+ return
params.containeredParameters().taskManagerTotalMemoryMB();
+ }
+
+ @Override
+ public double getNetworkMbps() {
+ return 0.0;
+ }
+
+ @Override
+ public double getDisk() {
+ return 0.0;
+ }
+
+ @Override
+ public int getPorts() {
+ return TM_PORT_KEYS.length;
+ }
+
+ @Override
+ public Map<String, NamedResourceSetRequest>
getCustomNamedResources() {
+ return Collections.emptyMap();
+ }
+
+ @Override
+ public List<? extends ConstraintEvaluator> getHardConstraints()
{
+ return null;
+ }
+
+ @Override
+ public List<? extends VMTaskFitnessCalculator>
getSoftConstraints() {
+ return null;
+ }
+
+ @Override
+ public void setAssignedResources(AssignedResources
assignedResources) {
+ this.assignedResources.set(assignedResources);
+ }
+
+ @Override
+ public AssignedResources getAssignedResources() {
+ return assignedResources.get();
+ }
+
+ @Override
+ public String toString() {
+ return "Request{" +
+ "cpus=" + getCPUs() +
+ "memory=" + getMemory() +
+ '}';
+ }
+ }
+
+ /**
+ * Construct the TaskInfo needed to launch the worker.
+ * @param slaveId the assigned slave.
+ * @param assignment the assignment details.
+ * @return a fully-baked TaskInfo.
+ */
+ @Override
+ public Protos.TaskInfo launch(Protos.SlaveID slaveId,
TaskAssignmentResult assignment) {
+
+ final Configuration dynamicProperties = new Configuration();
+
+ // specialize the TaskInfo template with assigned resources,
environment variables, etc
+ final Protos.TaskInfo.Builder taskInfo = template
+ .clone()
+ .setSlaveId(slaveId)
+ .setTaskId(taskID)
+ .setName(taskID.getValue())
+ .addResources(scalar("cpus",
assignment.getRequest().getCPUs()))
+ .addResources(scalar("mem",
assignment.getRequest().getMemory()));
+ //.addResources(scalar("disk",
assignment.getRequest.getDisk).setRole("Flink"))
--- End diff --
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