add dvc task plugin

Update docs/docs/en/guide/task/dvc.md

change repository_name xxxx to <YOUR-NAME-OR-ORG>

Co-authored-by: Jiajie Zhong <zhongjiajie955@gmail.com>

fix repository name xxx to <YOUR-NAME-OR-ORG>

fix doc

add fix comment

change dvgTaskType to enumeration

change TaskTypeEnum to reside in its own source file.

docs/docs/en/guide/task/dvc.md

@@ -0,0 +1,125 @@
+# DVC Node
+
+## Overview
+
+[DVC (Data Version Control)](https://dvc.org) is an excellent open-source  version control system for machine learning projects.
+
+The DVC plugin is used to use the data version management function of DVC on DolphinScheduler, helping users to carry out data version management easily.
+
+The plugin provides the following three functions:
+
+- Init DVC: Initialize the Git repository as a DVC repository and bind the address where the data is stored to store the actual data.
+- Upload: Add or update specific data to the repository and record the version tag.
+- Download: Download a specific version of data from the repository.
+
+## Create Task
+
+- Click `Project -> Management-Project -> Name-Workflow Definition`, and click the "Create Workflow" button to enter the
+  DAG editing page.
+- Drag from the toolbar <img src="../../../../img/tasks/icons/dvc.png" width="15"/> task node to canvas.
+
+## Task Example
+
+First, introduce some general parameters of DolphinScheduler:
+
+- **Node name**: The node name in a workflow definition is unique.
+- **Run flag**: Identifies whether this node schedules normally, if it does not need to execute, select
+  the `prohibition execution`.
+- **Descriptive information**: Describe the function of the node.
+- **Task priority**: When the number of worker threads is insufficient, execute in the order of priority from high
+  to low, and tasks with the same priority will execute in a first-in first-out order.
+- **Worker grouping**: Assign tasks to the machines of the worker group to execute. If `Default` is selected,
+  randomly select a worker machine for execution.
+- **Environment Name**: Configure the environment name in which run the script.
+- **Times of failed retry attempts**: The number of times the task failed to resubmit.
+- **Failed retry interval**: The time interval (unit minute) for resubmitting the task after a failed task.
+- **Delayed execution time**: The time (unit minute) that a task delays in execution.
+- **Timeout alarm**: Check the timeout alarm and timeout failure. When the task runs exceed the "timeout", an alarm
+  email will send and the task execution will fail.
+- **Predecessor task**: Selecting a predecessor task for the current task, will set the selected predecessor task as
+  upstream of the current task.
+
+Here are some specific parameters for the DVC plugin:
+
+- **DVC Task Type** ：Upload, Download or Init DVC。
+- **DVC Repository** ：The DVC repository address associated with the task execution.
+
+### Init DVC
+
+Initialize the Git repository as a DVC repository and add a new data remote to save data.
+
+After the project is initialized, it is still a Git repository, but with DVC features added.
+
+The data is not actually stored in a Git repository, but somewhere else, and DVC keeps track of the version and address of the data and handles this relationship.
+
+![dvc_init](../../../../img/tasks/demo/dvc_init.png)
+
+**Task Parameter**
+
+- **Remote Store Url** ：The actual data is stored at the address. You can learn about the supported storage types from the [DVC supported storage types](https://dvc.org/doc/command-reference/remote/add#supported-storage-types) .
+
+The example above shows that: 
+Initialize repository `git@github.com:<YOUR-NAME-OR-ORG>/dvc-data-repository-example.git` as a DVC project and bind the remote storage address to `~/dvc`
+
+### Upload
+
+Used to upload and update data and record version numbers.
+
+![dvc_upload](../../../../img/tasks/demo/dvc_upload.png)
+
+**Task Parameter**
+
+- **Data Path in DVC Repository** ：The data will be uploaded to this path in the repository.
+- **Data Path In Worker** ：Data path to be uploaded.
+- **Version** ：After the data is uploaded, the version tag for the data will be saved in `git tag`.
+- **Version Message** ：Version Message. 
+
+The example above shows that:
+
+Upload data `/home/data/iris` to the root directory of repository `git@github.com:<YOUR-NAME-OR-ORG>/dvc-data-repository-example.git`. The file or folder of data is named `iris`.
+
+Then run `git tag "iris_1.0" -m "init iris data"`. Record the version tag `iris_1.0` and the version message `inir iris data`.
+
+### Download
+
+Used to download data for a specific version.
+
+![dvc_download](../../../../img/tasks/demo/dvc_download.png)
+
+**Task Parameter**
+
+- **Data Path in DVC Repository** ：The path to the data to download in the DVC repository.
+- **Data Path In Worker** ：Path for saving data after the file is downloaded to the local.
+- **Version** ：The version of the data to download.
+
+The example above shows that:
+
+Download the data for iris data at version `iris_1.0` in repository `git@github.com:<YOUR-NAME-OR-ORG>/dvc-data-repository-example.git` to the `~/dvc_test/iris`
+
+## Environment to prepare
+
+### Install DVC
+
+Make sure you have installed DVC, if not, you can run `pip install dvc` command to install it.
+
+Get the 'dvc' path and configure the environment variables.
+
+The conda environment is used as an example:
+
+Install python PIP on Conda and configure conda's environment variables so that the component can correctly find the 'DVC' command
+
+```shell
+which dvc
+# >> ~/anaconda3/bin/dvc
+```
+
+You need to enter the admin account to configure a conda environment variable（Please
+install [anaconda](https://docs.continuum.io/anaconda/install/)
+or [miniconda](https://docs.conda.io/en/latest/miniconda.html#installing ) in advance).
+
+![dvc_env_config](../../../../img/tasks/demo/dvc_env_config.png)
+
+Note During the configuration task, select the conda environment created above. Otherwise, the program cannot find the
+Conda environment.
+
+![dvc_env_name](../../../../img/tasks/demo/dvc_env_name.png)

docs/docs/zh/guide/task/dvc.md

@@ -0,0 +1,110 @@
+# DVC节点
+
+## 综述
+
+[DVC（Data Version Control）](https://dvc.org) 是一个MLops领域一个优秀的开机器学习版本管理系统。
+
+DVC 组件用于在DS上使用DVC的数据版本管理功能，帮助用户简易地进行数据的版本管理。组件提供如下三个功能：
+
+- Init DVC: 将git仓库初始化为DVC仓库，并绑定存储数据的地址用于存储实际的数据。
+- Upload: 将特定数据添加或者更新到仓库中，并记录版本号。
+- Download: 从仓库中下载特定版本的数据。
+
+## 创建任务
+
+- 点击项目管理-项目名称-工作流定义，点击“创建工作流”按钮，进入 DAG 编辑页面；
+- 拖动工具栏的 <img src="../../../../img/tasks/icons/dvc.png" width="15"/> 任务节点到画板中。
+
+## 任务样例
+
+首先介绍一些DS通用参数
+
+- **节点名称** ：设置任务的名称。一个工作流定义中的节点名称是唯一的。
+- **运行标志** ：标识这个节点是否能正常调度,如果不需要执行，可以打开禁止执行开关。
+- **描述** ：描述该节点的功能。
+- **任务优先级** ：worker 线程数不足时，根据优先级从高到低依次执行，优先级一样时根据先进先出原则执行。
+- **Worker 分组** ：任务分配给 worker 组的机器执行，选择 Default，会随机选择一台 worker 机执行。
+- **环境名称** ：配置运行脚本的环境。
+- **失败重试次数** ：任务失败重新提交的次数。
+- **失败重试间隔** ：任务失败重新提交任务的时间间隔，以分钟为单位。
+- **延迟执行时间** ：任务延迟执行的时间，以分钟为单位。
+- **超时告警** ：勾选超时告警、超时失败，当任务超过"超时时长"后，会发送告警邮件并且任务执行失败。
+- **前置任务** ：选择当前任务的前置任务，会将被选择的前置任务设置为当前任务的上游。
+
+以下是一些DVC 组件的常用参数
+
+- **DVC任务类型** ：可以选择 Upload、Download、Init DVC。
+- **DVC仓库** ：任务执行时关联的仓库地址。
+
+### Init DVC
+
+
+将git仓库初始化为DVC仓库, 并绑定数据储存的地方。
+
+项目初始化后，仍然为git仓库，不过添加了DVC的特性。
+
+实际上数据并不保存在git仓库，而是存储在另外的地方，DVC会跟踪数据的版本和地址，并处理好这个关系。
+
+![dvc_init](../../../../img/tasks/demo/dvc_init.png)
+
+**任务参数**
+
+- **数据存储地址**
+  ：实际的数据保存的地址，支持的类型可见 [DVC supported storage types](https://dvc.org/doc/command-reference/remote/add#supported-storage-types)
+  。
+
+如上述例子表示： 将仓库 `git@github.com:<YOUR-NAME-OR-ORG>/dvc-data-repository-example.git` 初始化为DVC项目，并绑定远程储存地址为 `~/dvc`
+
+### Upload
+
+用于上传和更新数据，并记录版本号。
+
+![dvc_upload](../../../../img/tasks/demo/dvc_upload.png)
+
+**任务参数**
+
+- **DVC仓库中的数据路径** ：上传的数据保存到仓库的地址。
+- **Worker中数据路径** ：需要上传的数据的地址。
+- **数据版本** ：上传数据后，为该版本数据打上的版本号，会保存到 git tag 里面。
+- **数据版本信息** ：本次上传需要备注的信息。
+
+如上述例子表示： 将数据 `/home/data/iris` 上传到仓库 `git@github.com:<YOUR-NAME-OR-ORG>/dvc-data-repository-example.git`
+的根目录下，数据的文件/文件夹名字为`iris`。 然后执行 `git tag "iris_1.0" -m "init iris data"`。 记录版本号 `iris_1.0`和 版本信息 'inir iris data'
+
+### Download
+
+用于下载特定版本的数据。
+
+![dvc_download](../../../../img/tasks/demo/dvc_download.png)
+
+**任务参数**
+
+- **DVC仓库中的数据路径** ：需要下载数据在仓库中的路径。
+- **Worker中数据路径** ：数据下载到本地后的保存地址。
+- **数据版本** ：需要下载的数据的版本。
+
+如上述例子表示： 将仓库 `git@github.com:xxxx/dvc-data-repository-example.git` 版本为 `iris_1.0` 的 iris 的数据下载到 `~/dvc_test/iris`
+
+## 环境准备
+
+### dvc 安装
+
+确保你已经安装DVC可以使用`pip install dvc`进行安装。
+
+获取dvc地址, 并配置环境变量
+
+下面以 conda 上的 python pip 安装为例子，配置 conda 的环境变量，使得组件能正确找到`dvc`命令
+
+```shell
+which dvc
+# >> ~/anaconda3/bin/dvc
+```
+
+你需要进入admin账户配置一个conda环境变量（请提前[安装anaconda](https://docs.continuum.io/anaconda/install/)
+或者[安装miniconda](https://docs.conda.io/en/latest/miniconda.html#installing) )。
+
+![dvc_env_config](../../../../img/tasks/demo/dvc_env_config.png)
+
+后续注意配置任务时，环境选择上面创建的conda环境，否则程序会找不到conda环境。
+
+![dvc_env_name](../../../../img/tasks/demo/dvc_env_name.png)

dolphinscheduler-task-plugin/dolphinscheduler-task-all/pom.xml

@@ -171,6 +171,12 @@
             <artifactId>dolphinscheduler-task-openmldb</artifactId>
             <version>${project.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.apache.dolphinscheduler</groupId>
+            <artifactId>dolphinscheduler-task-dvc</artifactId>
+            <version>${project.version}</version>
+        </dependency>
     </dependencies>
 
 </project>

dolphinscheduler-task-plugin/dolphinscheduler-task-dvc/pom.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ 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.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>dolphinscheduler-task-plugin</artifactId>
+        <groupId>org.apache.dolphinscheduler</groupId>
+        <version>dev-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>dolphinscheduler-task-dvc</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.dolphinscheduler</groupId>
+            <artifactId>dolphinscheduler-spi</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.dolphinscheduler</groupId>
+            <artifactId>dolphinscheduler-task-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+        </dependency>
+    </dependencies>
+</project>

dolphinscheduler-task-plugin/dolphinscheduler-task-dvc/src/main/java/org/apache/dolphinscheduler/plugin/task/dvc/DvcConstants.java

@@ -0,0 +1,56 @@
+/*
+ * 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.plugin.task.dvc;
+
+public class DvcConstants {
+    private DvcConstants() {
+        throw new IllegalStateException("Utility class");
+    }
+
+    public static final String CHECK_AND_SET_DVC_REPO = "which dvc || { echo \"dvc does not exist\"; exit 1; }; DVC_REPO=%s";
+
+    public static final String SET_DATA_PATH = "DVC_DATA_PATH=%s";
+
+    public static final String SET_DATA_LOCATION = "DVC_DATA_LOCATION=%s";
+
+    public static final String SET_VERSION = "DVC_VERSION=%s";
+
+    public static final String SET_MESSAGE = "DVC_MESSAGE=\"%s\"";
+
+    public static final String GIT_CLONE_DVC_REPO  = "git clone $DVC_REPO dvc-repository; cd dvc-repository; pwd";
+
+    public static final String DVC_AUTOSTAGE  = "dvc config core.autostage true --local || exit 1";
+
+    public static final String DVC_ADD_DATA  = "dvc add $DVC_DATA_PATH -v -o $DVC_DATA_LOCATION --to-remote || exit 1";
+
+    public static final String GIT_UPDATE_FOR_UPDATE_DATA  = "git commit -am \"$DVC_MESSAGE\"\n" +
+            "git tag \"$DVC_VERSION\" -m \"$DVC_MESSAGE\"\n" +
+            "git push --all\n" +
+            "git push --tags";
+
+    public static final String DVC_DOWNLOAD  = "dvc get $DVC_REPO $DVC_DATA_LOCATION -o $DVC_DATA_PATH -v --rev $DVC_VERSION";
+
+
+    public static final String DVC_INIT = "dvc init || exit 1";
+
+    public static final String DVC_ADD_REMOTE = "dvc remote add origin %s -d";
+
+    public static final String GIT_UPDATE_FOR_INIT_DVC = "git commit -am \"init dvc project and add remote\"; git push";
+
+}
+