Support starting standalone server in Docker image (#6102)

Also remove unused class

docker/build/conf/dolphinscheduler/supervisor/supervisor.ini

@@ -90,3 +90,18 @@ killasgroup=true
 redirect_stderr=true
 stdout_logfile=/dev/fd/1
 stdout_logfile_maxbytes=0
+
+[program:standalone]
+command=%(ENV_DOLPHINSCHEDULER_BIN)s/dolphinscheduler-daemon.sh start standalone-server
+directory=%(ENV_DOLPHINSCHEDULER_HOME)s
+priority=999
+autostart=%(ENV_STANDALONE_START_ENABLED)s
+autorestart=true
+startsecs=5
+stopwaitsecs=3
+exitcodes=0
+stopasgroup=true
+killasgroup=true
+redirect_stderr=true
+stdout_logfile=/dev/fd/1
+stdout_logfile_maxbytes=0

docker/build/startup.sh

@@ -24,6 +24,7 @@ export WORKER_START_ENABLED=false
 export API_START_ENABLED=false
 export ALERT_START_ENABLED=false
 export LOGGER_START_ENABLED=false
+export STANDALONE_START_ENABLED=false
 
 # wait database
 waitDatabase() {
@@ -67,12 +68,13 @@ waitZK() {
 printUsage() {
     echo -e "Dolphin Scheduler is a distributed and easy-to-expand visual DAG workflow scheduling system,"
     echo -e "dedicated to solving the complex dependencies in data processing, making the scheduling system out of the box for data processing.\n"
-    echo -e "Usage: [ all | master-server | worker-server | api-server | alert-server ]\n"
-    printf "%-13s:  %s\n" "all"           "Run master-server, worker-server, api-server and alert-server"
-    printf "%-13s:  %s\n" "master-server" "MasterServer is mainly responsible for DAG task split, task submission monitoring."
-    printf "%-13s:  %s\n" "worker-server" "WorkerServer is mainly responsible for task execution and providing log services."
-    printf "%-13s:  %s\n" "api-server"    "ApiServer is mainly responsible for processing requests and providing the front-end UI layer."
-    printf "%-13s:  %s\n" "alert-server"  "AlertServer mainly include Alarms."
+    echo -e "Usage: [ all | master-server | worker-server | api-server | alert-server | standalone-server ]\n"
+    printf "%-13s:  %s\n" "all"                "Run master-server, worker-server, api-server and alert-server"
+    printf "%-13s:  %s\n" "master-server"      "MasterServer is mainly responsible for DAG task split, task submission monitoring."
+    printf "%-13s:  %s\n" "worker-server"      "WorkerServer is mainly responsible for task execution and providing log services."
+    printf "%-13s:  %s\n" "api-server"         "ApiServer is mainly responsible for processing requests and providing the front-end UI layer."
+    printf "%-13s:  %s\n" "alert-server"       "AlertServer mainly include Alarms."
+    printf "%-13s:  %s\n" "standalone-server"  "Standalone server that uses embedded zookeeper and database, only for testing and demostration."
 }
 
 # init config file
@@ -110,6 +112,9 @@ case "$1" in
         waitDatabase
         export ALERT_START_ENABLED=true
     ;;
+    (standalone-server)
+        export STANDALONE_START_ENABLED=true
+    ;;
     (help)
         printUsage
         exit 1

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/future/TaskFuture.java

@@ -1,175 +0,0 @@
-/*
- * 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.dolphinscheduler.server.master.future;
-
-
-import org.apache.dolphinscheduler.remote.command.Command;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicReference;
-
-/**
- *  task future
- */
-public class TaskFuture {
-
-    private final static Logger LOGGER = LoggerFactory.getLogger(TaskFuture.class);
-
-    private final static ConcurrentHashMap<Long,TaskFuture> FUTURE_TABLE = new ConcurrentHashMap<>(256);
-
-    /**
-     *  request unique identification
-     */
-    private final long opaque;
-
-    /**
-     *  timeout
-     */
-    private final long timeoutMillis;
-
-    private final CountDownLatch latch = new CountDownLatch(1);
-
-    private final long beginTimestamp = System.currentTimeMillis();
-
-    /**
-     *  response command
-     */
-    private  AtomicReference<Command> responseCommandReference = new AtomicReference<>();
-
-    private volatile boolean sendOk = true;
-
-    private  AtomicReference<Throwable> causeReference;
-
-    public TaskFuture(long opaque, long timeoutMillis) {
-        this.opaque = opaque;
-        this.timeoutMillis = timeoutMillis;
-        FUTURE_TABLE.put(opaque, this);
-    }
-
-    /**
-     * wait for response
-     * @return command
-     * @throws InterruptedException if error throws InterruptedException
-     */
-    public Command waitResponse() throws InterruptedException {
-        this.latch.await(timeoutMillis, TimeUnit.MILLISECONDS);
-        return this.responseCommandReference.get();
-    }
-
-    /**
-     *  put response
-     *
-     * @param responseCommand responseCommand
-     */
-    public void putResponse(final Command responseCommand) {
-        responseCommandReference.set(responseCommand);
-        this.latch.countDown();
-        FUTURE_TABLE.remove(opaque);
-    }
-
-    /**
-     *  whether timeout
-     * @return timeout
-     */
-    public boolean isTimeout() {
-        long diff = System.currentTimeMillis() - this.beginTimestamp;
-        return diff > this.timeoutMillis;
-    }
-
-    public static void notify(final Command responseCommand){
-        TaskFuture taskFuture = FUTURE_TABLE.remove(responseCommand.getOpaque());
-        if(taskFuture != null){
-            taskFuture.putResponse(responseCommand);
-        }
-    }
-
-
-    public boolean isSendOK() {
-        return sendOk;
-    }
-
-    public void setSendOk(boolean sendOk) {
-        this.sendOk = sendOk;
-    }
-
-    public void setCause(Throwable cause) {
-        causeReference.set(cause);
-    }
-
-    public Throwable getCause() {
-        return causeReference.get();
-    }
-
-    public long getOpaque() {
-        return opaque;
-    }
-
-    public long getTimeoutMillis() {
-        return timeoutMillis;
-    }
-
-    public long getBeginTimestamp() {
-        return beginTimestamp;
-    }
-
-    public Command getResponseCommand() {
-        return responseCommandReference.get();
-    }
-
-    public void setResponseCommand(Command responseCommand) {
-        responseCommandReference.set(responseCommand);
-    }
-
-
-    /**
-     * scan future table
-     */
-    public static void scanFutureTable(){
-        final List<TaskFuture> futureList = new LinkedList<>();
-        Iterator<Map.Entry<Long, TaskFuture>> it = FUTURE_TABLE.entrySet().iterator();
-        while (it.hasNext()) {
-            Map.Entry<Long, TaskFuture> next = it.next();
-            TaskFuture future = next.getValue();
-            if ((future.getBeginTimestamp() + future.getTimeoutMillis() + 1000) <= System.currentTimeMillis()) {
-                futureList.add(future);
-                it.remove();
-                LOGGER.warn("remove timeout request : {}", future);
-            }
-        }
-    }
-
-    @Override
-    public String toString() {
-        return "TaskFuture{" +
-                "opaque=" + opaque +
-                ", timeoutMillis=" + timeoutMillis +
-                ", latch=" + latch +
-                ", beginTimestamp=" + beginTimestamp +
-                ", responseCommand=" + responseCommandReference.get() +
-                ", sendOk=" + sendOk +
-                ", cause=" + causeReference.get() +
-                '}';
-    }
-}