Add OpenTSDB reader and TSDB writer

2025-05-01 15:11:04 +08:00 · 2019-04-26 14:53:55 +08:00 · 2019-04-26 14:53:55 +08:00 · 4d70b5ab86
commit 4d70b5ab86
parent eb1ea0bc24
44 changed files with 2776 additions and 6 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1,8 +1,157 @@
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+.worksheet
--- a/opentsdbreader/doc/opentsdbreader.md
+++ b/opentsdbreader/doc/opentsdbreader.md
@ -0,0 +1,209 @@
+
+# OpenTSDBReader 插件文档
+
+___
+
+
+## 1 快速介绍
+
+OpenTSDBReader 插件实现了从 OpenTSDB 读取数据。OpenTSDB 是主要由 Yahoo 维护的、可扩展的、分布式时序数据库，与阿里巴巴自研 TSDB 的关系与区别详见阿里云官网：《[相比 OpenTSDB 优势](https://help.aliyun.com/document_detail/113368.html)》
+
+
+
+## 2 实现原理
+
+在底层实现上，OpenTSDBReader 通过 HTTP 请求链接到 OpenTSDB 实例，利用 `/api/config` 接口获取到其底层存储 HBase 的连接信息，再利用 AsyncHBase 框架连接 HBase，通过 Scan 的方式将数据点扫描出来。整个同步的过程通过 metric 和时间段进行切分，即某个 metric 在某一个小时内的数据迁移，组合成一个迁移 Task。
+
+
+
+## 3 功能说明
+
+### 3.1 配置样例
+
+* 配置一个从 OpenTSDB 数据库同步抽取数据到本地的作业：
+
+```json
+{
+  "job": {
+    "content": [
+      {
+        "reader": {
+          "name": "opentsdbreader",
+          "parameter": {
+            "endpoint": "http://localhost:4242",
+            "column": [
+              "m"
+            ],
+            "beginDateTime": "2019-01-01 00:00:00",
+            "endDateTime": "2019-01-01 03:00:00"
+          }
+        },
+        "writer": {
+          "name": "streamwriter",
+          "parameter": {
+            "encoding": "UTF-8",
+            "print": true
+          }
+        }
+      }
+    ],
+    "setting": {
+      "speed": {
+        "channel": 1
+      }
+    }
+  }
+}
+```
+
+
+
+### 3.2 参数说明
+
+* **name**
+  * 描述：本插件的名称
+  * 必选：是
+  * 默认值：opentsdbreader
+
+* **parameter**
+  * **endpoint**
+    * 描述：OpenTSDB 的 HTTP 连接地址
+    * 必选：是
+    * 格式：http://IP:Port
+* 默认值：无
+  
+  * **column**
+    * 描述：数据迁移任务需要迁移的 Metric 列表
+    * 必选：是
+  * 默认值：无
+  
+* **beginDateTime**
+  * 描述：和 endDateTime 配合使用，用于指定哪个时间段内的数据点，需要被迁移
+  * 必选：是
+  * 格式：`yyyy-MM-dd HH:mm:ss`
+  * 默认值：无
+  * 注意：指定起止时间会自动忽略分钟和秒，转为整点时刻，例如 2019-4-18 的 [3:35, 4:55) 会被转为 [3:00, 4:00)
+  
+* **endDateTime**
+  * 描述：和 beginDateTime 配合使用，用于指定哪个时间段内的数据点，需要被迁移
+  * 必选：是
+  * 格式：`yyyy-MM-dd HH:mm:ss`
+  * 默认值：无
+  * 注意：指定起止时间会自动忽略分钟和秒，转为整点时刻，例如 2019-4-18 的 [3:35, 4:55) 会被转为 [3:00, 4:00)
+
+
+
+
+### 3.3 类型转换
+
+| DataX 内部类型 | TSDB 数据类型                                                |
+| -------------- | ------------------------------------------------------------ |
+| String         | TSDB 数据点序列化字符串，包括 timestamp、metric、tags 和 value |
+
+
+
+
+
+## 4 性能报告
+
+### 4.1 环境准备
+
+#### 4.1.1 数据特征
+从 Metric、时间线、Value 和 采集周期 四个方面来描述：
+
+##### metric
+
+固定指定一个 metric 为 `m`。
+
+##### tagkv
+
+前四个 tagkv 全排列，形成 `10 * 20 * 100 * 100 = 2000000` 条时间线，最后 IP 对应 2000000 条时间线从 1 开始自增。
+
+| **tag_k** | **tag_v**     |
+| --------- | ------------- |
+| zone      | z1~z10        |
+| cluster   | c1~c20        |
+| group     | g1~100        |
+| app       | a1~a100       |
+| ip        | ip1~ip2000000 |
+
+##### value
+
+度量值为 [1, 100] 区间内的随机值
+
+##### interval
+
+采集周期为 10 秒，持续摄入 3 小时，总数据量为 `3 * 60 * 60 / 10 * 2000000 = 2,160,000,000` 个数据点。
+
+
+
+#### 4.1.2 机器参数
+
+OpenTSDB Reader 机型:  64C256G
+
+HBase 机型： 8C16G * 5
+
+
+#### 4.1.3 DataX jvm 参数
+
+"-Xms4096m -Xmx4096m"
+
+
+
+
+### 4.2 测试报告
+
+
+| 通道数| DataX 速度 (Rec/s) |DataX 流量 (MB/s)|
+|--------| --------|--------|
+|1| 215428 | 25.65 |
+|2| 424994 | 50.60 |
+|3| 603132 | 71.81 |
+
+
+
+
+
+
+## 5 约束限制
+
+### 5.1 需要确保与 OpenTSDB 底层存储的网络是连通的
+
+具体缘由详见 6.1
+
+
+
+### 5.2 如果存在某一个 Metric 下在一个小时范围内的数据量过大，可能需要通过 `-j` 参数调整 JVM 内存大小
+
+考虑到下游 Writer 如果写入速度不及 OpenTSDB reader 的查询数据，可能会存在积压的情况，因此需要适当地调整 JVM 参数。以"从 OpenTSDB 数据库同步抽取数据到本地的作业"为例，启动命令如下：
+
+```bash
+ python datax/bin/datax.py opentsdb2stream.json -j "-Xms4096m -Xmx4096m"
+```
+
+
+
+### 5.3 指定起止时间会自动被转为整点时刻
+
+指定起止时间会自动被转为整点时刻，例如 2019-4-18 的 `[3:35, 3:55)` 会被转为 `[3:00, 4:00)`
+
+
+
+### 5.4 目前只支持兼容 OpenTSDB 2.3.x
+
+其他版本暂不保证兼容
+
+
+
+
+
+## 6 FAQ
+
+***
+
+**Q：为什么需要连接 OpenTSDB 的底层存储，为什么不直接使用 `/api/query` 查询获取数据点？**
+
+A：因为通过 OpenTSDB 的 HTTP 接口（`/api/query`）来读取数据的话，经内部压测发现，在大数据量的情况下，会导致 OpenTSDB 的异步框架会报 CallBack 过多的问题；所以，采用了直连底层 HBase 存储，通过 Scan 的方式来扫描数据点，来避免这个问题。另外，还考虑到，可以通过指定 metric 和时间范围，可以顺序地 Scan HBase 表，提高查询效率。
+
+
+
--- a/opentsdbreader/pom.xml
+++ b/opentsdbreader/pom.xml
@ -0,0 +1,156 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.alibaba.datax</groupId>
+        <artifactId>datax-all</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>opentsdbreader</artifactId>
+    <name>opentsdbreader</name>
+    <packaging>jar</packaging>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <!-- common -->
+        <commons-lang3.version>3.3.2</commons-lang3.version>
+
+        <!-- http -->
+        <httpclient.version>4.4</httpclient.version>
+        <commons-io.version>2.4</commons-io.version>
+
+        <!-- json -->
+        <fastjson.version>1.2.28</fastjson.version>
+
+        <!-- opentsdb -->
+        <opentsdb.version>2.3.2</opentsdb.version>
+
+        <!-- test -->
+        <junit4.version>4.12</junit4.version>
+
+        <!-- time -->
+        <joda-time.version>2.9.9</joda-time.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.datax</groupId>
+            <artifactId>datax-common</artifactId>
+            <version>${datax-project-version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>slf4j-log4j12</artifactId>
+                    <groupId>org.slf4j</groupId>
+                </exclusion>
+                <exclusion>
+                    <artifactId>fastjson</artifactId>
+                    <groupId>com.alibaba</groupId>
+                </exclusion>
+                <exclusion>
+                    <artifactId>commons-math3</artifactId>
+                    <groupId>org.apache.commons</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+        </dependency>
+
+        <!-- common -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+
+        <!-- http -->
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>${httpclient.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons-io.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>fluent-hc</artifactId>
+            <version>${httpclient.version}</version>
+        </dependency>
+
+        <!-- json -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>${fastjson.version}</version>
+        </dependency>
+
+        <!-- opentsdb -->
+        <dependency>
+            <groupId>net.opentsdb</groupId>
+            <artifactId>opentsdb</artifactId>
+            <version>${opentsdb.version}</version>
+        </dependency>
+
+        <!-- time -->
+        <dependency>
+            <groupId>joda-time</groupId>
+            <artifactId>joda-time</artifactId>
+            <version>${joda-time.version}</version>
+        </dependency>
+
+        <!-- test -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit4.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <!-- compiler plugin -->
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                    <encoding>${project-sourceEncoding}</encoding>
+                </configuration>
+            </plugin>
+
+            <!-- assembly plugin -->
+            <plugin>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <configuration>
+                    <descriptors>
+                        <descriptor>src/main/assembly/package.xml</descriptor>
+                    </descriptors>
+                    <finalName>datax</finalName>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>dwzip</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>
--- a/opentsdbreader/src/main/assembly/package.xml
+++ b/opentsdbreader/src/main/assembly/package.xml
@ -0,0 +1,35 @@
+<assembly
+        xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+    <id></id>
+    <formats>
+        <format>dir</format>
+    </formats>
+    <includeBaseDirectory>false</includeBaseDirectory>
+    <fileSets>
+        <fileSet>
+            <directory>src/main/resources</directory>
+            <includes>
+                <include>plugin.json</include>
+                <include>plugin_job_template.json</include>
+            </includes>
+            <outputDirectory>plugin/reader/opentsdbreader</outputDirectory>
+        </fileSet>
+        <fileSet>
+            <directory>target/</directory>
+            <includes>
+                <include>opentsdbreader-0.0.1-SNAPSHOT.jar</include>
+            </includes>
+            <outputDirectory>plugin/reader/opentsdbreader</outputDirectory>
+        </fileSet>
+    </fileSets>
+
+    <dependencySets>
+        <dependencySet>
+            <useProjectArtifact>false</useProjectArtifact>
+            <outputDirectory>plugin/reader/opentsdbreader/libs</outputDirectory>
+            <scope>runtime</scope>
+        </dependencySet>
+    </dependencySets>
+</assembly>
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/CliQuery.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/CliQuery.java
@ -0,0 +1,104 @@
+package com.alibaba.datax.plugin.reader.conn;
+
+import net.opentsdb.core.*;
+import net.opentsdb.utils.DateTime;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：CliQuery
+ *
+ * @author Benedict Jin
+ * @since 2019-04-17
+ */
+final class CliQuery {
+
+    /**
+     * Parses the query from the command lines.
+     *
+     * @param args    The command line arguments.
+     * @param tsdb    The TSDB to use.
+     * @param queries The list in which {@link Query}s will be appended.
+     */
+    static void parseCommandLineQuery(final String[] args,
+                                      final TSDB tsdb,
+                                      final ArrayList<Query> queries) {
+        long start_ts = DateTime.parseDateTimeString(args[0], null);
+        if (start_ts >= 0) {
+            start_ts /= 1000;
+        }
+        long end_ts = -1;
+        if (args.length > 3) {
+            // see if we can detect an end time
+            try {
+                if (args[1].charAt(0) != '+' && (args[1].indexOf(':') >= 0
+                        || args[1].indexOf('/') >= 0 || args[1].indexOf('-') >= 0
+                        || Long.parseLong(args[1]) > 0)) {
+                    end_ts = DateTime.parseDateTimeString(args[1], null);
+                }
+            } catch (NumberFormatException ignore) {
+                // ignore it as it means the third parameter is likely the aggregator
+            }
+        }
+        // temp fixup to seconds from ms until the rest of TSDB supports ms
+        // Note you can't append this to the DateTime.parseDateTimeString() call as
+        // it clobbers -1 results
+        if (end_ts >= 0) {
+            end_ts /= 1000;
+        }
+
+        int i = end_ts < 0 ? 1 : 2;
+        while (i < args.length && args[i].charAt(0) == '+') {
+            i++;
+        }
+
+        while (i < args.length) {
+            final Aggregator agg = Aggregators.get(args[i++]);
+            final boolean rate = "rate".equals(args[i]);
+            RateOptions rate_options = new RateOptions(false, Long.MAX_VALUE,
+                    RateOptions.DEFAULT_RESET_VALUE);
+            if (rate) {
+                i++;
+
+                long counterMax = Long.MAX_VALUE;
+                long resetValue = RateOptions.DEFAULT_RESET_VALUE;
+                if (args[i].startsWith("counter")) {
+                    String[] parts = Tags.splitString(args[i], ',');
+                    if (parts.length >= 2 && parts[1].length() > 0) {
+                        counterMax = Long.parseLong(parts[1]);
+                    }
+                    if (parts.length >= 3 && parts[2].length() > 0) {
+                        resetValue = Long.parseLong(parts[2]);
+                    }
+                    rate_options = new RateOptions(true, counterMax, resetValue);
+                    i++;
+                }
+            }
+            final boolean downsample = "downsample".equals(args[i]);
+            if (downsample) {
+                i++;
+            }
+            final long interval = downsample ? Long.parseLong(args[i++]) : 0;
+            final Aggregator sampler = downsample ? Aggregators.get(args[i++]) : null;
+            final String metric = args[i++];
+            final HashMap<String, String> tags = new HashMap<String, String>();
+            while (i < args.length && args[i].indexOf(' ', 1) < 0
+                    && args[i].indexOf('=', 1) > 0) {
+                Tags.parse(tags, args[i++]);
+            }
+            final Query query = tsdb.newQuery();
+            query.setStartTime(start_ts);
+            if (end_ts > 0) {
+                query.setEndTime(end_ts);
+            }
+            query.setTimeSeries(metric, tags, agg, rate, rate_options);
+            if (downsample) {
+                query.downsample(interval, sampler);
+            }
+            queries.add(query);
+        }
+    }
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/Connection4TSDB.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/Connection4TSDB.java
@ -0,0 +1,77 @@
+package com.alibaba.datax.plugin.reader.conn;
+
+import com.alibaba.datax.common.plugin.RecordSender;
+
+import java.util.List;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：Connection for TSDB-like databases
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+public interface Connection4TSDB {
+
+    /**
+     * Get the address of Database.
+     *
+     * @return host+ip
+     */
+    String address();
+
+    /**
+     * Get the version of Database.
+     *
+     * @return version
+     */
+    String version();
+
+    /**
+     * Get these configurations.
+     *
+     * @return configs
+     */
+    String config();
+
+    /**
+     * Get the list of supported version.
+     *
+     * @return version list
+     */
+    String[] getSupportVersionPrefix();
+
+    /**
+     * Send data points by metric & start time & end time.
+     *
+     * @param metric       metric
+     * @param start        startTime
+     * @param end          endTime
+     * @param recordSender sender
+     */
+    void sendDPs(String metric, Long start, Long end, RecordSender recordSender) throws Exception;
+
+    /**
+     * Put data point.
+     *
+     * @param dp data point
+     * @return whether the data point is written successfully
+     */
+    boolean put(DataPoint4TSDB dp);
+
+    /**
+     * Put data points.
+     *
+     * @param dps data points
+     * @return whether the data point is written successfully
+     */
+    boolean put(List<DataPoint4TSDB> dps);
+
+    /**
+     * Whether current version is supported.
+     *
+     * @return true: supported; false: not yet!
+     */
+    boolean isSupported();
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/DataPoint4TSDB.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/DataPoint4TSDB.java
@ -0,0 +1,68 @@
+package com.alibaba.datax.plugin.reader.conn;
+
+import com.alibaba.fastjson.JSON;
+
+import java.util.Map;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：DataPoint for TSDB
+ *
+ * @author Benedict Jin
+ * @since 2019-04-10
+ */
+public class DataPoint4TSDB {
+
+    private long timestamp;
+    private String metric;
+    private Map<String, String> tags;
+    private Object value;
+
+    public DataPoint4TSDB() {
+    }
+
+    public DataPoint4TSDB(long timestamp, String metric, Map<String, String> tags, Object value) {
+        this.timestamp = timestamp;
+        this.metric = metric;
+        this.tags = tags;
+        this.value = value;
+    }
+
+    public long getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(long timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    public String getMetric() {
+        return metric;
+    }
+
+    public void setMetric(String metric) {
+        this.metric = metric;
+    }
+
+    public Map<String, String> getTags() {
+        return tags;
+    }
+
+    public void setTags(Map<String, String> tags) {
+        this.tags = tags;
+    }
+
+    public Object getValue() {
+        return value;
+    }
+
+    public void setValue(Object value) {
+        this.value = value;
+    }
+
+    @Override
+    public String toString() {
+        return JSON.toJSONString(this);
+    }
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/DumpSeries.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/DumpSeries.java
@ -0,0 +1,96 @@
+package com.alibaba.datax.plugin.reader.conn;
+
+import com.alibaba.datax.common.element.Record;
+import com.alibaba.datax.common.element.StringColumn;
+import com.alibaba.datax.common.plugin.RecordSender;
+import net.opentsdb.core.*;
+import net.opentsdb.core.Internal.Cell;
+import org.hbase.async.KeyValue;
+import org.hbase.async.Scanner;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.*;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：Tool to dump the data straight from HBase
+ *
+ * @author Benedict Jin
+ * @since 2019-04-17
+ */
+final class DumpSeries {
+
+    private static final Logger LOG = LoggerFactory.getLogger(DumpSeries.class);
+
+    /**
+     * Dump all data points with special metric and time range, then send them all by {@link RecordSender}.
+     */
+    static void doDump(TSDB tsdb, String[] args, RecordSender sender) throws Exception {
+        final ArrayList<Query> queries = new ArrayList<Query>();
+        CliQuery.parseCommandLineQuery(args, tsdb, queries);
+
+        List<DataPoint4TSDB> dps = new LinkedList<DataPoint4TSDB>();
+        for (final Query query : queries) {
+            final List<Scanner> scanners = Internal.getScanners(query);
+            for (Scanner scanner : scanners) {
+                ArrayList<ArrayList<KeyValue>> rows;
+                while ((rows = scanner.nextRows().join()) != null) {
+                    for (final ArrayList<KeyValue> row : rows) {
+                        final byte[] key = row.get(0).key();
+                        final long baseTime = Internal.baseTime(tsdb, key);
+                        final String metric = Internal.metricName(tsdb, key);
+                        for (final KeyValue kv : row) {
+                            formatKeyValue(dps, tsdb, kv, baseTime, metric);
+                            for (DataPoint4TSDB dp : dps) {
+                                StringColumn tsdbColumn = new StringColumn(dp.toString());
+                                Record record = sender.createRecord();
+                                record.addColumn(tsdbColumn);
+                                sender.sendToWriter(record);
+                            }
+                            dps.clear();
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Parse KeyValue into data points.
+     */
+    private static void formatKeyValue(final List<DataPoint4TSDB> dps, final TSDB tsdb,
+                                       final KeyValue kv, final long baseTime, final String metric) {
+        Map<String, String> tagKVs = Internal.getTags(tsdb, kv.key());
+
+        final byte[] qualifier = kv.qualifier();
+        final int q_len = qualifier.length;
+
+        if (!AppendDataPoints.isAppendDataPoints(qualifier) && q_len % 2 != 0) {
+            // custom data object, not a data point
+            if (LOG.isDebugEnabled()) {
+                LOG.debug("Not a data point");
+            }
+        } else if (q_len == 2 || q_len == 4 && Internal.inMilliseconds(qualifier)) {
+            // regular data point
+            final Cell cell = Internal.parseSingleValue(kv);
+            if (cell == null) {
+                throw new IllegalDataException("Unable to parse row: " + kv);
+            }
+            dps.add(new DataPoint4TSDB(cell.absoluteTimestamp(baseTime), metric, tagKVs, cell.parseValue()));
+        } else {
+            final Collection<Cell> cells;
+            if (q_len == 3) {
+                // append data points
+                cells = new AppendDataPoints().parseKeyValue(tsdb, kv);
+            } else {
+                // compacted column
+                cells = Internal.extractDataPoints(kv);
+            }
+            for (Cell cell : cells) {
+                dps.add(new DataPoint4TSDB(cell.absoluteTimestamp(baseTime), metric, tagKVs, cell.parseValue()));
+            }
+        }
+    }
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/OpenTSDBConnection.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/OpenTSDBConnection.java
@ -0,0 +1,78 @@
+package com.alibaba.datax.plugin.reader.conn;
+
+import com.alibaba.datax.common.plugin.RecordSender;
+import com.alibaba.datax.plugin.reader.util.TSDBUtils;
+import com.alibaba.fastjson.JSON;
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.List;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：OpenTSDB Connection
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+public class OpenTSDBConnection implements Connection4TSDB {
+
+    private String address;
+
+    public OpenTSDBConnection(String address) {
+        this.address = address;
+    }
+
+    @Override
+    public String address() {
+        return address;
+    }
+
+    @Override
+    public String version() {
+        return TSDBUtils.version(address);
+    }
+
+    @Override
+    public String config() {
+        return TSDBUtils.config(address);
+    }
+
+    @Override
+    public String[] getSupportVersionPrefix() {
+        return new String[]{"2.3"};
+    }
+
+    @Override
+    public void sendDPs(String metric, Long start, Long end, RecordSender recordSender) throws Exception {
+        OpenTSDBDump.dump(this, metric, start, end, recordSender);
+    }
+
+    @Override
+    public boolean put(DataPoint4TSDB dp) {
+        return false;
+    }
+
+    @Override
+    public boolean put(List<DataPoint4TSDB> dps) {
+        return false;
+    }
+
+    @Override
+    public boolean isSupported() {
+        String versionJson = version();
+        if (StringUtils.isBlank(versionJson)) {
+            throw new RuntimeException("Cannot get the version!");
+        }
+        String version = JSON.parseObject(versionJson).getString("version");
+        if (StringUtils.isBlank(version)) {
+            return false;
+        }
+        for (String prefix : getSupportVersionPrefix()) {
+            if (version.startsWith(prefix)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/OpenTSDBDump.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/conn/OpenTSDBDump.java
@ -0,0 +1,48 @@
+package com.alibaba.datax.plugin.reader.conn;
+
+import com.alibaba.datax.common.plugin.RecordSender;
+import com.alibaba.fastjson.JSON;
+import net.opentsdb.core.TSDB;
+import net.opentsdb.utils.Config;
+
+import java.util.Map;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：OpenTSDB Dump
+ *
+ * @author Benedict Jin
+ * @since 2019-04-15
+ */
+final class OpenTSDBDump {
+
+    private static TSDB TSDB_INSTANCE;
+
+    private OpenTSDBDump() {
+    }
+
+    static void dump(OpenTSDBConnection conn, String metric, Long start, Long end, RecordSender sender) throws Exception {
+        DumpSeries.doDump(getTSDB(conn), new String[]{start + "", end + "", "none", metric}, sender);
+    }
+
+    private static TSDB getTSDB(OpenTSDBConnection conn) {
+        if (TSDB_INSTANCE == null) {
+            synchronized (TSDB.class) {
+                if (TSDB_INSTANCE == null) {
+                    try {
+                        Config config = new Config(false);
+                        Map configurations = JSON.parseObject(conn.config(), Map.class);
+                        for (Object key : configurations.keySet()) {
+                            config.overrideConfig(key.toString(), configurations.get(key.toString()).toString());
+                        }
+                        TSDB_INSTANCE = new TSDB(config);
+                    } catch (Exception e) {
+                        throw new RuntimeException("Cannot init OpenTSDB connection!");
+                    }
+                }
+            }
+        }
+        return TSDB_INSTANCE;
+    }
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/opentsdbreader/Constant.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/opentsdbreader/Constant.java
@ -0,0 +1,14 @@
+package com.alibaba.datax.plugin.reader.opentsdbreader;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：Key
+ *
+ * @author Benedict Jin
+ * @since 2019-04-18
+ */
+public final class Constant {
+
+    static final String DEFAULT_DATA_FORMAT = "yyyy-MM-dd HH:mm:ss";
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/opentsdbreader/Key.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/opentsdbreader/Key.java
@ -0,0 +1,17 @@
+package com.alibaba.datax.plugin.reader.opentsdbreader;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：Key
+ *
+ * @author Benedict Jin
+ * @since 2019-04-18
+ */
+public class Key {
+
+    static final String ENDPOINT = "endpoint";
+    static final String COLUMN = "column";
+    static final String BEGIN_DATE_TIME = "beginDateTime";
+    static final String END_DATE_TIME = "endDateTime";
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/opentsdbreader/OpenTSDBReader.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/opentsdbreader/OpenTSDBReader.java
@ -0,0 +1,207 @@
+package com.alibaba.datax.plugin.reader.opentsdbreader;
+
+import com.alibaba.datax.common.exception.DataXException;
+import com.alibaba.datax.common.plugin.RecordSender;
+import com.alibaba.datax.common.spi.Reader;
+import com.alibaba.datax.common.util.Configuration;
+import com.alibaba.datax.plugin.reader.conn.OpenTSDBConnection;
+import com.alibaba.datax.plugin.reader.util.TimeUtils;
+import com.alibaba.fastjson.JSON;
+import org.apache.commons.lang3.StringUtils;
+import org.joda.time.DateTime;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：Key
+ *
+ * @author Benedict Jin
+ * @since 2019-04-18
+ */
+@SuppressWarnings("unused")
+public class OpenTSDBReader extends Reader {
+
+    public static class Job extends Reader.Job {
+
+        private static final Logger LOG = LoggerFactory.getLogger(Job.class);
+
+        private Configuration originalConfig;
+
+        @Override
+        public void init() {
+            this.originalConfig = super.getPluginJobConf();
+
+            String address = originalConfig.getString(Key.ENDPOINT);
+            if (StringUtils.isBlank(address)) {
+                throw DataXException.asDataXException(
+                        OpenTSDBReaderErrorCode.REQUIRED_VALUE,
+                        "The parameter [" + Key.ENDPOINT + "] is not set.");
+            }
+
+            List<String> columns = originalConfig.getList(Key.COLUMN, String.class);
+            if (columns == null || columns.isEmpty()) {
+                throw DataXException.asDataXException(
+                        OpenTSDBReaderErrorCode.REQUIRED_VALUE,
+                        "The parameter [" + Key.COLUMN + "] is not set.");
+            }
+
+            SimpleDateFormat format = new SimpleDateFormat(Constant.DEFAULT_DATA_FORMAT);
+            String startTime = originalConfig.getString(Key.BEGIN_DATE_TIME);
+            Long startDate;
+            if (startTime == null || startTime.trim().length() == 0) {
+                throw DataXException.asDataXException(
+                        OpenTSDBReaderErrorCode.REQUIRED_VALUE,
+                        "The parameter [" + Key.BEGIN_DATE_TIME + "] is not set.");
+            } else {
+                try {
+                    startDate = format.parse(startTime).getTime();
+                } catch (ParseException e) {
+                    throw DataXException.asDataXException(OpenTSDBReaderErrorCode.ILLEGAL_VALUE,
+                            "The parameter [" + Key.BEGIN_DATE_TIME +
+                                    "] needs to conform to the [" + Constant.DEFAULT_DATA_FORMAT + "] format.");
+                }
+            }
+            String endTime = originalConfig.getString(Key.END_DATE_TIME);
+            Long endDate;
+            if (endTime == null || endTime.trim().length() == 0) {
+                throw DataXException.asDataXException(
+                        OpenTSDBReaderErrorCode.REQUIRED_VALUE,
+                        "The parameter [" + Key.END_DATE_TIME + "] is not set.");
+            } else {
+                try {
+                    endDate = format.parse(endTime).getTime();
+                } catch (ParseException e) {
+                    throw DataXException.asDataXException(OpenTSDBReaderErrorCode.ILLEGAL_VALUE,
+                            "The parameter [" + Key.END_DATE_TIME +
+                                    "] needs to conform to the [" + Constant.DEFAULT_DATA_FORMAT + "] format.");
+                }
+            }
+            if (startDate >= endDate) {
+                throw DataXException.asDataXException(OpenTSDBReaderErrorCode.ILLEGAL_VALUE,
+                        "The parameter [" + Key.BEGIN_DATE_TIME +
+                                "] should be less than the parameter [" + Key.END_DATE_TIME + "].");
+            }
+        }
+
+        @Override
+        public void prepare() {
+        }
+
+        @Override
+        public List<Configuration> split(int adviceNumber) {
+            List<Configuration> configurations = new ArrayList<Configuration>();
+
+            // get metrics
+            List<String> columns = originalConfig.getList(Key.COLUMN, String.class);
+
+            // get time range
+            SimpleDateFormat format = new SimpleDateFormat(Constant.DEFAULT_DATA_FORMAT);
+            long startTime;
+            try {
+                startTime = format.parse(originalConfig.getString(Key.BEGIN_DATE_TIME)).getTime();
+            } catch (ParseException e) {
+                throw DataXException.asDataXException(
+                        OpenTSDBReaderErrorCode.ILLEGAL_VALUE, "解析[" + Key.BEGIN_DATE_TIME + "]失败.", e);
+            }
+            long endTime;
+            try {
+                endTime = format.parse(originalConfig.getString(Key.END_DATE_TIME)).getTime();
+            } catch (ParseException e) {
+                throw DataXException.asDataXException(
+                        OpenTSDBReaderErrorCode.ILLEGAL_VALUE, "解析[" + Key.END_DATE_TIME + "]失败.", e);
+            }
+            if (TimeUtils.isSecond(startTime)) {
+                startTime *= 1000;
+            }
+            if (TimeUtils.isSecond(endTime)) {
+                endTime *= 1000;
+            }
+            DateTime startDateTime = new DateTime(TimeUtils.getTimeInHour(startTime));
+            DateTime endDateTime = new DateTime(TimeUtils.getTimeInHour(endTime));
+
+            // split by metric
+            for (String column : columns) {
+                // split by time in hour
+                while (startDateTime.isBefore(endDateTime)) {
+                    Configuration clone = this.originalConfig.clone();
+                    clone.set(Key.COLUMN, Collections.singletonList(column));
+
+                    clone.set(Key.BEGIN_DATE_TIME, startDateTime.getMillis());
+                    startDateTime = startDateTime.plusHours(1);
+                    // Make sure the time interval is [start, end).
+                    // Because net.opentsdb.core.Query.setEndTime means less than or equal to the end time.
+                    clone.set(Key.END_DATE_TIME, startDateTime.getMillis() - 1);
+                    configurations.add(clone);
+
+                    LOG.info("Configuration: {}", JSON.toJSONString(clone));
+                }
+            }
+            return configurations;
+        }
+
+        @Override
+        public void post() {
+        }
+
+        @Override
+        public void destroy() {
+        }
+    }
+
+    public static class Task extends Reader.Task {
+
+        private static final Logger LOG = LoggerFactory.getLogger(Task.class);
+
+        private List<String> columns;
+        private OpenTSDBConnection conn;
+        private Long startTime;
+        private Long endTime;
+
+        @Override
+        public void init() {
+            Configuration readerSliceConfig = super.getPluginJobConf();
+
+            LOG.info("getPluginJobConf: {}", JSON.toJSONString(readerSliceConfig));
+
+            this.columns = readerSliceConfig.getList(Key.COLUMN, String.class);
+            String address = readerSliceConfig.getString(Key.ENDPOINT);
+
+            conn = new OpenTSDBConnection(address);
+
+            this.startTime = readerSliceConfig.getLong(Key.BEGIN_DATE_TIME);
+            this.endTime = readerSliceConfig.getLong(Key.END_DATE_TIME);
+        }
+
+        @Override
+        public void prepare() {
+        }
+
+        @Override
+        public void startRead(RecordSender recordSender) {
+            try {
+                for (String column : columns) {
+                    conn.sendDPs(column, this.startTime, this.endTime, recordSender);
+                }
+            } catch (Exception e) {
+                throw DataXException.asDataXException(
+                        OpenTSDBReaderErrorCode.ILLEGAL_VALUE, "获取或发送数据点的过程中出错！", e);
+            }
+        }
+
+        @Override
+        public void post() {
+        }
+
+        @Override
+        public void destroy() {
+        }
+    }
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/opentsdbreader/OpenTSDBReaderErrorCode.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/opentsdbreader/OpenTSDBReaderErrorCode.java
@ -0,0 +1,40 @@
+package com.alibaba.datax.plugin.reader.opentsdbreader;
+
+import com.alibaba.datax.common.spi.ErrorCode;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：OpenTSDB Reader Error Code
+ *
+ * @author Benedict Jin
+ * @since 2019-04-18
+ */
+public enum OpenTSDBReaderErrorCode implements ErrorCode {
+
+    REQUIRED_VALUE("OpenTSDBReader-00", "缺失必要的值"),
+    ILLEGAL_VALUE("OpenTSDBReader-01", "值非法");
+
+    private final String code;
+    private final String description;
+
+    OpenTSDBReaderErrorCode(String code, String description) {
+        this.code = code;
+        this.description = description;
+    }
+
+    @Override
+    public String getCode() {
+        return this.code;
+    }
+
+    @Override
+    public String getDescription() {
+        return this.description;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("Code:[%s], Description:[%s]. ", this.code, this.description);
+    }
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/util/HttpUtils.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/util/HttpUtils.java
@ -0,0 +1,68 @@
+package com.alibaba.datax.plugin.reader.util;
+
+import com.alibaba.fastjson.JSON;
+import org.apache.http.client.fluent.Content;
+import org.apache.http.client.fluent.Request;
+import org.apache.http.entity.ContentType;
+
+import java.nio.charset.Charset;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：HttpUtils
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+public final class HttpUtils {
+
+    public final static Charset UTF_8 = Charset.forName("UTF-8");
+    public final static int CONNECT_TIMEOUT_DEFAULT_IN_MILL = (int) TimeUnit.SECONDS.toMillis(60);
+    public final static int SOCKET_TIMEOUT_DEFAULT_IN_MILL = (int) TimeUnit.SECONDS.toMillis(60);
+
+    private HttpUtils() {
+    }
+
+    public static String get(String url) throws Exception {
+        Content content = Request.Get(url)
+                .connectTimeout(CONNECT_TIMEOUT_DEFAULT_IN_MILL)
+                .socketTimeout(SOCKET_TIMEOUT_DEFAULT_IN_MILL)
+                .execute()
+                .returnContent();
+        if (content == null) {
+            return null;
+        }
+        return content.asString(UTF_8);
+    }
+
+    public static String post(String url, Map<String, Object> params) throws Exception {
+        return post(url, JSON.toJSONString(params), CONNECT_TIMEOUT_DEFAULT_IN_MILL, SOCKET_TIMEOUT_DEFAULT_IN_MILL);
+    }
+
+    public static String post(String url, String params) throws Exception {
+        return post(url, params, CONNECT_TIMEOUT_DEFAULT_IN_MILL, SOCKET_TIMEOUT_DEFAULT_IN_MILL);
+    }
+
+    public static String post(String url, Map<String, Object> params,
+                              int connectTimeoutInMill, int socketTimeoutInMill) throws Exception {
+        return post(url, JSON.toJSONString(params), connectTimeoutInMill, socketTimeoutInMill);
+    }
+
+    public static String post(String url, String params,
+                              int connectTimeoutInMill, int socketTimeoutInMill) throws Exception {
+        Content content = Request.Post(url)
+                .connectTimeout(connectTimeoutInMill)
+                .socketTimeout(socketTimeoutInMill)
+                .addHeader("Content-Type", "application/json")
+                .bodyString(params, ContentType.APPLICATION_JSON)
+                .execute()
+                .returnContent();
+        if (content == null) {
+            return null;
+        }
+        return content.asString(UTF_8);
+    }
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/util/TSDBUtils.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/util/TSDBUtils.java
@ -0,0 +1,68 @@
+package com.alibaba.datax.plugin.reader.util;
+
+import com.alibaba.datax.plugin.reader.conn.DataPoint4TSDB;
+import com.alibaba.fastjson.JSON;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：TSDB Utils
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+public final class TSDBUtils {
+
+    private static final Logger LOG = LoggerFactory.getLogger(TSDBUtils.class);
+
+    private TSDBUtils() {
+    }
+
+    public static String version(String address) {
+        String url = String.format("%s/api/version", address);
+        String rsp;
+        try {
+            rsp = HttpUtils.get(url);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+        return rsp;
+    }
+
+    public static String config(String address) {
+        String url = String.format("%s/api/config", address);
+        String rsp;
+        try {
+            rsp = HttpUtils.get(url);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+        return rsp;
+    }
+
+    public static boolean put(String address, List<DataPoint4TSDB> dps) {
+        return put(address, JSON.toJSON(dps));
+    }
+
+    public static boolean put(String address, DataPoint4TSDB dp) {
+        return put(address, JSON.toJSON(dp));
+    }
+
+    private static boolean put(String address, Object o) {
+        String url = String.format("%s/api/put", address);
+        String rsp;
+        try {
+            rsp = HttpUtils.post(url, o.toString());
+            // If successful, the returned content should be null.
+            assert rsp == null;
+        } catch (Exception e) {
+            LOG.error("Address: {}, DataPoints: {}", url, o);
+            throw new RuntimeException(e);
+        }
+        return true;
+    }
+}
--- a/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/util/TimeUtils.java
+++ b/opentsdbreader/src/main/java/com/alibaba/datax/plugin/reader/util/TimeUtils.java
@ -0,0 +1,38 @@
+package com.alibaba.datax.plugin.reader.util;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：TimeUtils
+ *
+ * @author Benedict Jin
+ * @since 2019-04-22
+ */
+public final class TimeUtils {
+
+    private TimeUtils() {
+    }
+
+    private static final long SECOND_MASK = 0xFFFFFFFF00000000L;
+    private static final long HOUR_IN_MILL = TimeUnit.HOURS.toMillis(1);
+
+    /**
+     * Weather the timestamp is second.
+     *
+     * @param ts timestamp
+     */
+    public static boolean isSecond(long ts) {
+        return (ts & SECOND_MASK) == 0;
+    }
+
+    /**
+     * Get the hour.
+     *
+     * @param ms time in millisecond
+     */
+    public static long getTimeInHour(long ms) {
+        return ms - ms % HOUR_IN_MILL;
+    }
+}
--- a/opentsdbreader/src/main/resources/plugin.json
+++ b/opentsdbreader/src/main/resources/plugin.json
@ -0,0 +1,10 @@
+{
+  "name": "opentsdbreader",
+  "class": "com.alibaba.datax.plugin.reader.opentsdbreader.OpenTSDBReader",
+  "description": {
+    "useScene": "从 OpenTSDB 中摄取数据点",
+    "mechanism": "根据时间和 metric 直连底层 HBase 存储，从而 Scan 出符合条件的数据点",
+    "warn": "指定起止时间会自动忽略分钟和秒，转为整点时刻，例如 2019-4-18 的 [3:35, 4:55) 会被转为 [3:00, 4:00)"
+  },
+  "developer": "Benedict Jin"
+}
--- a/opentsdbreader/src/main/resources/plugin_job_template.json
+++ b/opentsdbreader/src/main/resources/plugin_job_template.json
@ -0,0 +1,11 @@
+{
+  "name": "opentsdbreader",
+  "parameter": {
+    "endpoint": "http://localhost:8242",
+    "column": [
+      "m"
+    ],
+    "startTime": "2019-01-01 00:00:00",
+    "endTime": "2019-01-01 01:00:00"
+  }
+}
--- a/opentsdbreader/src/test/java/com/alibaba/datax/plugin/reader/conn/OpenTSDBConnectionTest.java
+++ b/opentsdbreader/src/test/java/com/alibaba/datax/plugin/reader/conn/OpenTSDBConnectionTest.java
@ -0,0 +1,30 @@
+package com.alibaba.datax.plugin.reader.conn;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：OpenTSDB Connection4TSDB Test
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+@Ignore
+public class OpenTSDBConnectionTest {
+
+    private static final String OPENTSDB_ADDRESS = "http://localhost:8242";
+
+    @Test
+    public void testVersion() {
+        String version = new OpenTSDBConnection(OPENTSDB_ADDRESS).version();
+        Assert.assertNotNull(version);
+    }
+
+    @Test
+    public void testIsSupported() {
+        Assert.assertTrue(new OpenTSDBConnection(OPENTSDB_ADDRESS).isSupported());
+    }
+}
--- a/opentsdbreader/src/test/java/com/alibaba/datax/plugin/reader/util/Const.java
+++ b/opentsdbreader/src/test/java/com/alibaba/datax/plugin/reader/util/Const.java
@ -0,0 +1,18 @@
+package com.alibaba.datax.plugin.reader.util;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：Const
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+final class Const {
+
+    private Const() {
+    }
+
+    static final String OPENTSDB_ADDRESS = "http://localhost:8242";
+    static final String TSDB_ADDRESS = "http://localhost:8240";
+}
--- a/opentsdbreader/src/test/java/com/alibaba/datax/plugin/reader/util/HttpUtilsTest.java
+++ b/opentsdbreader/src/test/java/com/alibaba/datax/plugin/reader/util/HttpUtilsTest.java
@ -0,0 +1,39 @@
+package com.alibaba.datax.plugin.reader.util;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：HttpUtils Test
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+@Ignore
+public class HttpUtilsTest {
+
+    @Test
+    public void testSimpleCase() throws Exception {
+        String url = "https://httpbin.org/post";
+        Map<String, Object> params = new HashMap<String, Object>();
+        params.put("foo", "bar");
+
+        String rsp = HttpUtils.post(url, params);
+        System.out.println(rsp);
+        Assert.assertNotNull(rsp);
+    }
+
+    @Test
+    public void testGet() throws Exception {
+        String url = String.format("%s/api/version", Const.OPENTSDB_ADDRESS);
+        String rsp = HttpUtils.get(url);
+        System.out.println(rsp);
+        Assert.assertNotNull(rsp);
+    }
+}
--- a/opentsdbreader/src/test/java/com/alibaba/datax/plugin/reader/util/TSDBTest.java
+++ b/opentsdbreader/src/test/java/com/alibaba/datax/plugin/reader/util/TSDBTest.java
@ -0,0 +1,28 @@
+package com.alibaba.datax.plugin.reader.util;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：TSDB Test
+ *
+ * @author Benedict Jin
+ * @since 2019-04-11
+ */
+@Ignore
+public class TSDBTest {
+
+    @Test
+    public void testVersion() {
+        String version = TSDBUtils.version(Const.TSDB_ADDRESS);
+        Assert.assertNotNull(version);
+        System.out.println(version);
+
+        version = TSDBUtils.version(Const.OPENTSDB_ADDRESS);
+        Assert.assertNotNull(version);
+        System.out.println(version);
+    }
+}
--- a/opentsdbreader/src/test/java/com/alibaba/datax/plugin/reader/util/TimeUtilsTest.java
+++ b/opentsdbreader/src/test/java/com/alibaba/datax/plugin/reader/util/TimeUtilsTest.java
@ -0,0 +1,33 @@
+package com.alibaba.datax.plugin.reader.util;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：com.alibaba.datax.common.util
+ *
+ * @author Benedict Jin
+ * @since 2019-04-22
+ */
+public class TimeUtilsTest {
+
+    @Test
+    public void testIsSecond() {
+        Assert.assertFalse(TimeUtils.isSecond(System.currentTimeMillis()));
+        Assert.assertTrue(TimeUtils.isSecond(System.currentTimeMillis() / 1000));
+    }
+
+    @Test
+    public void testGetTimeInHour() throws ParseException {
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        Date date = sdf.parse("2019-04-18 15:32:33");
+        long timeInHour = TimeUtils.getTimeInHour(date.getTime());
+        Assert.assertEquals("2019-04-18 15:00:00", sdf.format(timeInHour));
+    }
+}
--- a/package.xml
+++ b/package.xml
@ -159,6 +159,13 @@
            </includes>
            <outputDirectory>datax</outputDirectory>
        </fileSet>
+        <fileSet>
+            <directory>opentsdbreader/target/datax/</directory>
+            <includes>
+                <include>**/*.*</include>
+            </includes>
+            <outputDirectory>datax</outputDirectory>
+        </fileSet>

        <!-- writer -->
        <fileSet>
@ -322,5 +329,12 @@
            </includes>
            <outputDirectory>datax</outputDirectory>
        </fileSet>
+        <fileSet>
+            <directory>tsdbwriter/target/datax/</directory>
+            <includes>
+                <include>**/*.*</include>
+            </includes>
+            <outputDirectory>datax</outputDirectory>
+        </fileSet>
    </fileSets>
 </assembly>
--- a/pom.xml
+++ b/pom.xml
@ -62,6 +62,7 @@
        <module>rdbmsreader</module>
        <module>hbase11xreader</module>
        <module>hbase094xreader</module>
+        <module>opentsdbreader</module>

        <!-- writer -->
        <module>mysqlwriter</module>
@ -85,6 +86,7 @@
        <module>hbase11xsqlwriter</module>
        <module>hbase11xsqlreader</module>
        <module>elasticsearchwriter</module>
+        <module>tsdbwriter</module>

        <!-- common support module -->
        <module>plugin-rdbms-util</module>
--- a/tsdbwriter/doc/tsdbhttpwriter.md
+++ b/tsdbwriter/doc/tsdbhttpwriter.md
@ -0,0 +1,187 @@
+
+# TSDBWriter 插件文档
+
+___
+
+
+## 1 快速介绍
+
+TSDBWriter 插件实现了将数据点写入到阿里巴巴自研 TSDB 数据库中（后续简称 TSDB）。
+
+
+时间序列数据库（Time Series Database , 简称 TSDB）是一种高性能，低成本，稳定可靠的在线时序数据库服务；提供高效读写，高压缩比存储、时序数据插值及聚合计算，广泛应用于物联网（IoT）设备监控系统 ，企业能源管理系统（EMS），生产安全监控系统，电力检测系统等行业场景。 TSDB 提供百万级时序数据秒级写入，高压缩比低成本存储、预降采样、插值、多维聚合计算，查询结果可视化功能；解决由于设备采集点数量巨大，数据采集频率高，造成的存储成本高，写入和查询分析效率低的问题。更多关于 TSDB 的介绍，详见[阿里云 TSDB 官网](https://help.aliyun.com/product/54825.html)。
+
+
+
+## 2 实现原理
+
+通过 HTTP 连接 TSDB 实例，并通过 `/api/put` 接口将数据点写入。关于写入接口详见 TSDB 的[接口说明文档](https://help.aliyun.com/document_detail/59939.html)。
+
+
+
+## 3 功能说明
+
+### 3.1 配置样例
+
+* 配置一个从 OpenTSDB 数据库同步抽取数据到 TSDB：
+
+```json
+{
+  "job": {
+    "content": [
+      {
+        "reader": {
+          "name": "opentsdbreader",
+          "parameter": {
+            "endpoint": "http://localhost:4242",
+            "column": [
+              "m"
+            ],
+            "startTime": "2019-01-01 00:00:00",
+            "endTime": "2019-01-01 03:00:00"
+          }
+        },
+        "writer": {
+          "name": "tsdbhttpwriter",
+          "parameter": {
+            "endpoint": "http://localhost:8242"
+          }
+        }
+      }
+    ],
+    "setting": {
+      "speed": {
+        "channel": 1
+      }
+    }
+  }
+}
+```
+
+
+
+### 3.2 参数说明
+
+* **name**
+  * 描述：本插件的名称
+  * 必选：是
+  * 默认值：tsdbhttpwriter
+
+* **parameter**
+  * **endpoint**
+    * 描述：TSDB 的 HTTP 连接地址
+    * 必选：是
+    * 格式：http://IP:Port
+    * 默认值：无
+
+* **batchSize**
+   * 描述：每次批量数据的条数
+   * 必选：否
+   * 格式：int，需要保证大于 0
+   * 默认值：100
+
+* **maxRetryTime**
+   * 描述：失败后重试的次数
+   * 必选：否
+   * 格式：int，需要保证大于 1
+   * 默认值：3
+
+* **ignoreWriteError**
+   * 描述：如果设置为 true，则忽略写入错误，继续写入；否则，多次重试后仍写入失败的话，则会终止写入任务
+   * 必选：否
+   * 格式：bool
+   * 默认值：false
+
+
+
+
+
+
+### 3.3 类型转换
+
+
+| DataX 内部类型 | TSDB 数据类型                                                |
+| -------------- | ------------------------------------------------------------ |
+| String         | TSDB 数据点序列化字符串，包括 timestamp、metric、tags 和 value |
+
+
+
+
+
+
+## 4 性能报告
+
+### 4.1 环境准备
+
+#### 4.1.1 数据特征
+
+从 Metric、时间线、Value 和 采集周期 四个方面来描述：
+
+##### metric
+
+固定指定一个 metric 为 `m`。
+
+##### tagkv
+
+前四个 tagkv 全排列，形成 `10 * 20 * 100 * 100 = 2000000` 条时间线，最后 IP 对应 2000000 条时间线从 1 开始自增。
+
+| **tag_k** | **tag_v**     |
+| --------- | ------------- |
+| zone      | z1~z10        |
+| cluster   | c1~c20        |
+| group     | g1~100        |
+| app       | a1~a100       |
+| ip        | ip1~ip2000000 |
+
+##### value
+
+度量值为 [1, 100] 区间内的随机值
+
+##### interval
+
+采集周期为 10 秒，持续摄入 3 小时，总数据量为 `3 * 60 * 60 / 10 * 2000000 = 2,160,000,000` 个数据点。
+
+
+
+#### 4.1.2 机器参数
+
+TSDB Writer 机型:  64C256G
+
+HBase 机型： 8C16G * 5
+
+#### 4.1.3 DataX jvm 参数
+
+"-Xms4096m -Xmx4096m"
+
+
+
+
+### 4.2 测试报告
+
+
+| 通道数 | DataX 速度 (Rec/s) | DataX 流量 (MB/s) |
+| ------ | ------------------ | ----------------- |
+| 1      | 129753             | 15.45             |
+| 2      | 284953             | 33.70             |
+| 3      | 385868             | 45.71             |
+
+
+
+
+
+## 5 约束限制
+
+### 5.1 目前只支持兼容 TSDB 2.4.x 及以上版本
+
+其他版本暂不保证兼容
+
+
+
+
+
+## 6 FAQ
+
+
+
+
+
--- a/tsdbwriter/pom.xml
+++ b/tsdbwriter/pom.xml
@ -0,0 +1,136 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.alibaba.datax</groupId>
+        <artifactId>datax-all</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>tsdbwriter</artifactId>
+    <name>tsdbwriter</name>
+    <packaging>jar</packaging>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <!-- common -->
+        <commons-lang3.version>3.3.2</commons-lang3.version>
+
+        <!-- http -->
+        <httpclient.version>4.4</httpclient.version>
+        <commons-io.version>2.4</commons-io.version>
+
+        <!-- json -->
+        <fastjson.version>1.2.28</fastjson.version>
+
+        <!-- test -->
+        <junit4.version>4.12</junit4.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.datax</groupId>
+            <artifactId>datax-common</artifactId>
+            <version>${datax-project-version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>slf4j-log4j12</artifactId>
+                    <groupId>org.slf4j</groupId>
+                </exclusion>
+                <exclusion>
+                    <artifactId>fastjson</artifactId>
+                    <groupId>com.alibaba</groupId>
+                </exclusion>
+                <exclusion>
+                    <artifactId>commons-math3</artifactId>
+                    <groupId>org.apache.commons</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+        </dependency>
+
+        <!-- common -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+
+        <!-- http -->
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>${httpclient.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons-io.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>fluent-hc</artifactId>
+            <version>${httpclient.version}</version>
+        </dependency>
+
+        <!-- json -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>${fastjson.version}</version>
+        </dependency>
+
+        <!-- test -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit4.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <!-- compiler plugin -->
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                    <encoding>${project-sourceEncoding}</encoding>
+                </configuration>
+            </plugin>
+
+            <!-- assembly plugin -->
+            <plugin>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <configuration>
+                    <descriptors>
+                        <descriptor>src/main/assembly/package.xml</descriptor>
+                    </descriptors>
+                    <finalName>datax</finalName>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>dwzip</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>
--- a/tsdbwriter/src/main/assembly/package.xml
+++ b/tsdbwriter/src/main/assembly/package.xml
@ -0,0 +1,35 @@
+<assembly
+        xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+    <id></id>
+    <formats>
+        <format>dir</format>
+    </formats>
+    <includeBaseDirectory>false</includeBaseDirectory>
+    <fileSets>
+        <fileSet>
+            <directory>src/main/resources</directory>
+            <includes>
+                <include>plugin.json</include>
+                <include>plugin_job_template.json</include>
+            </includes>
+            <outputDirectory>plugin/writer/tsdbwriter</outputDirectory>
+        </fileSet>
+        <fileSet>
+            <directory>target/</directory>
+            <includes>
+                <include>tsdbwriter-0.0.1-SNAPSHOT.jar</include>
+            </includes>
+            <outputDirectory>plugin/writer/tsdbwriter</outputDirectory>
+        </fileSet>
+    </fileSets>
+
+    <dependencySets>
+        <dependencySet>
+            <useProjectArtifact>false</useProjectArtifact>
+            <outputDirectory>plugin/writer/tsdbwriter/libs</outputDirectory>
+            <scope>runtime</scope>
+        </dependencySet>
+    </dependencySets>
+</assembly>
--- a/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/conn/Connection4TSDB.java
+++ b/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/conn/Connection4TSDB.java
@ -0,0 +1,85 @@
+package com.alibaba.datax.plugin.writer.conn;
+
+import com.alibaba.datax.common.plugin.RecordSender;
+
+import java.util.List;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：Connection for TSDB-like databases
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+public interface Connection4TSDB {
+
+    /**
+     * Get the address of Database.
+     *
+     * @return host+ip
+     */
+    String address();
+
+    /**
+     * Get the version of Database.
+     *
+     * @return version
+     */
+    String version();
+
+    /**
+     * Get these configurations.
+     *
+     * @return configs
+     */
+    String config();
+
+    /**
+     * Get the list of supported version.
+     *
+     * @return version list
+     */
+    String[] getSupportVersionPrefix();
+
+    /**
+     * Send data points by metric & start time & end time.
+     *
+     * @param metric       metric
+     * @param start        startTime
+     * @param end          endTime
+     * @param recordSender sender
+     */
+    void sendDPs(String metric, Long start, Long end, RecordSender recordSender) throws Exception;
+
+    /**
+     * Put data point.
+     *
+     * @param dp data point
+     * @return whether the data point is written successfully
+     */
+    boolean put(DataPoint4TSDB dp);
+
+    /**
+     * Put data points.
+     *
+     * @param dps data points
+     * @return whether the data point is written successfully
+     */
+    boolean put(List<DataPoint4TSDB> dps);
+
+    /**
+     * Put data points.
+     *
+     * @param dps data points
+     * @return whether the data point is written successfully
+     */
+    boolean put(String dps);
+
+    /**
+     * Whether current version is supported.
+     *
+     * @return true: supported; false: not yet!
+     */
+    boolean isSupported();
+}
--- a/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/conn/DataPoint4TSDB.java
+++ b/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/conn/DataPoint4TSDB.java
@ -0,0 +1,68 @@
+package com.alibaba.datax.plugin.writer.conn;
+
+import com.alibaba.fastjson.JSON;
+
+import java.util.Map;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：DataPoint for TSDB
+ *
+ * @author Benedict Jin
+ * @since 2019-04-10
+ */
+public class DataPoint4TSDB {
+
+    private long timestamp;
+    private String metric;
+    private Map<String, String> tags;
+    private Object value;
+
+    public DataPoint4TSDB() {
+    }
+
+    public DataPoint4TSDB(long timestamp, String metric, Map<String, String> tags, Object value) {
+        this.timestamp = timestamp;
+        this.metric = metric;
+        this.tags = tags;
+        this.value = value;
+    }
+
+    public long getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(long timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    public String getMetric() {
+        return metric;
+    }
+
+    public void setMetric(String metric) {
+        this.metric = metric;
+    }
+
+    public Map<String, String> getTags() {
+        return tags;
+    }
+
+    public void setTags(Map<String, String> tags) {
+        this.tags = tags;
+    }
+
+    public Object getValue() {
+        return value;
+    }
+
+    public void setValue(Object value) {
+        this.value = value;
+    }
+
+    @Override
+    public String toString() {
+        return JSON.toJSONString(this);
+    }
+}
--- a/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/conn/TSDBConnection.java
+++ b/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/conn/TSDBConnection.java
@ -0,0 +1,86 @@
+package com.alibaba.datax.plugin.writer.conn;
+
+import com.alibaba.datax.common.plugin.RecordSender;
+import com.alibaba.datax.plugin.writer.util.TSDBUtils;
+import com.alibaba.fastjson.JSON;
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.List;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：TSDB Connection
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+public class TSDBConnection implements Connection4TSDB {
+
+    private String address;
+
+    public TSDBConnection(String address) {
+        if (StringUtils.isBlank(address)) {
+            throw new RuntimeException("TSDBConnection init failed because address is blank!");
+        }
+        this.address = address;
+    }
+
+    @Override
+    public String address() {
+        return address;
+    }
+
+    @Override
+    public String version() {
+        return TSDBUtils.version(address);
+    }
+
+    @Override
+    public String config() {
+        return TSDBUtils.config(address);
+    }
+
+    @Override
+    public String[] getSupportVersionPrefix() {
+        return new String[]{"2.4.1", "2.4.2"};
+    }
+
+    @Override
+    public void sendDPs(String metric, Long start, Long end, RecordSender recordSender) {
+        throw new RuntimeException("Not support yet!");
+    }
+
+    @Override
+    public boolean put(DataPoint4TSDB dp) {
+        return TSDBUtils.put(address, dp);
+    }
+
+    @Override
+    public boolean put(List<DataPoint4TSDB> dps) {
+        return TSDBUtils.put(address, dps);
+    }
+
+    @Override
+    public boolean put(String dps) {
+        return TSDBUtils.put(address, dps);
+    }
+
+    @Override
+    public boolean isSupported() {
+        String versionJson = version();
+        if (StringUtils.isBlank(versionJson)) {
+            throw new RuntimeException("Cannot get the version!");
+        }
+        String version = JSON.parseObject(versionJson).getString("version");
+        if (StringUtils.isBlank(version)) {
+            return false;
+        }
+        for (String prefix : getSupportVersionPrefix()) {
+            if (version.startsWith(prefix)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
--- a/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/tsdbwriter/Constant.java
+++ b/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/tsdbwriter/Constant.java
@ -0,0 +1,16 @@
+package com.alibaba.datax.plugin.writer.tsdbwriter;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：Key
+ *
+ * @author Benedict Jin
+ * @since 2019-04-18
+ */
+public final class Constant {
+
+    static final int DEFAULT_BATCH_SIZE = 100;
+    static final int DEFAULT_TRY_SIZE = 3;
+    static final boolean DEFAULT_IGNORE_WRITE_ERROR = false;
+}
--- a/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/tsdbwriter/Key.java
+++ b/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/tsdbwriter/Key.java
@ -0,0 +1,17 @@
+package com.alibaba.datax.plugin.writer.tsdbwriter;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：Key
+ *
+ * @author Benedict Jin
+ * @since 2019-04-18
+ */
+public class Key {
+
+    static final String ENDPOINT = "endpoint";
+    static final String BATCH_SIZE = "batchSize";
+    static final String MAX_RETRY_TIME = "maxRetryTime";
+    static final String IGNORE_WRITE_ERROR = "ignoreWriteError";
+}
--- a/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/tsdbwriter/TSDBWriter.java
+++ b/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/tsdbwriter/TSDBWriter.java
@ -0,0 +1,171 @@
+package com.alibaba.datax.plugin.writer.tsdbwriter;
+
+import com.alibaba.datax.common.element.Record;
+import com.alibaba.datax.common.exception.DataXException;
+import com.alibaba.datax.common.plugin.RecordReceiver;
+import com.alibaba.datax.common.spi.Writer;
+import com.alibaba.datax.common.util.Configuration;
+import com.alibaba.datax.common.util.RetryUtil;
+import com.alibaba.datax.plugin.writer.conn.TSDBConnection;
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Callable;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：TSDB Http Writer
+ *
+ * @author Benedict Jin
+ * @since 2019-04-18
+ */
+@SuppressWarnings("unused")
+public class TSDBWriter extends Writer {
+
+    public static class Job extends Writer.Job {
+
+        private static final Logger LOG = LoggerFactory.getLogger(Job.class);
+
+        private Configuration originalConfig;
+
+        @Override
+        public void init() {
+            this.originalConfig = super.getPluginJobConf();
+
+            String address = this.originalConfig.getString(Key.ENDPOINT);
+            if (StringUtils.isBlank(address)) {
+                throw DataXException.asDataXException(TSDBWriterErrorCode.REQUIRED_VALUE,
+                        "The parameter [" + Key.ENDPOINT + "] is not set.");
+            }
+
+            Integer batchSize = this.originalConfig.getInt(Key.BATCH_SIZE);
+            if (batchSize == null || batchSize < 1) {
+                originalConfig.set(Key.BATCH_SIZE, Constant.DEFAULT_BATCH_SIZE);
+                LOG.info("The parameter [" + Key.BATCH_SIZE +
+                        "] will be default value: " + Constant.DEFAULT_BATCH_SIZE);
+            }
+
+            Integer retrySize = this.originalConfig.getInt(Key.MAX_RETRY_TIME);
+            if (retrySize == null || retrySize < 0) {
+                originalConfig.set(Key.MAX_RETRY_TIME, Constant.DEFAULT_TRY_SIZE);
+                LOG.info("The parameter [" + Key.MAX_RETRY_TIME +
+                        "] will be default value: " + Constant.DEFAULT_TRY_SIZE);
+            }
+
+            Boolean ignoreWriteError = this.originalConfig.getBool(Key.IGNORE_WRITE_ERROR);
+            if (ignoreWriteError == null) {
+                originalConfig.set(Key.IGNORE_WRITE_ERROR, Constant.DEFAULT_IGNORE_WRITE_ERROR);
+                LOG.info("The parameter [" + Key.IGNORE_WRITE_ERROR +
+                        "] will be default value: " + Constant.DEFAULT_IGNORE_WRITE_ERROR);
+            }
+        }
+
+        @Override
+        public void prepare() {
+        }
+
+        @Override
+        public List<Configuration> split(int mandatoryNumber) {
+            ArrayList<Configuration> configurations = new ArrayList<Configuration>(mandatoryNumber);
+            for (int i = 0; i < mandatoryNumber; i++) {
+                configurations.add(this.originalConfig.clone());
+            }
+            return configurations;
+        }
+
+        @Override
+        public void post() {
+        }
+
+        @Override
+        public void destroy() {
+        }
+    }
+
+    public static class Task extends Writer.Task {
+
+        private static final Logger LOG = LoggerFactory.getLogger(Task.class);
+
+        private TSDBConnection conn;
+        private int batchSize;
+        private int retrySize;
+        private boolean ignoreWriteError;
+
+        @Override
+        public void init() {
+            Configuration writerSliceConfig = getPluginJobConf();
+            String address = writerSliceConfig.getString(Key.ENDPOINT);
+            this.conn = new TSDBConnection(address);
+            this.batchSize = writerSliceConfig.getInt(Key.BATCH_SIZE);
+            this.retrySize = writerSliceConfig.getInt(Key.MAX_RETRY_TIME);
+            this.ignoreWriteError = writerSliceConfig.getBool(Key.IGNORE_WRITE_ERROR);
+        }
+
+        @Override
+        public void prepare() {
+        }
+
+        @Override
+        public void startWrite(RecordReceiver recordReceiver) {
+            try {
+                Record lastRecord = null;
+                Record record;
+                int count = 0;
+                StringBuilder dps = new StringBuilder();
+                while ((record = recordReceiver.getFromReader()) != null) {
+                    final int recordLength = record.getColumnNumber();
+                    for (int i = 0; i < recordLength; i++) {
+                        dps.append(record.getColumn(i).asString());
+                        dps.append(",");
+                        count++;
+                        if (count == batchSize) {
+                            count = 0;
+                            batchPut(record, "[" + dps.substring(0, dps.length() - 1) + "]");
+                            dps = new StringBuilder();
+                        }
+                    }
+                    lastRecord = record;
+                }
+                if (StringUtils.isNotBlank(dps.toString())) {
+                    batchPut(lastRecord, "[" + dps.substring(0, dps.length() - 1) + "]");
+                }
+            } catch (Exception e) {
+                throw DataXException.asDataXException(TSDBWriterErrorCode.RUNTIME_EXCEPTION, e);
+            }
+        }
+
+        private void batchPut(final Record record, final String dps) {
+            try {
+                RetryUtil.executeWithRetry(new Callable<Integer>() {
+                    @Override
+                    public Integer call() {
+                        if (!conn.put(dps)) {
+                            getTaskPluginCollector().collectDirtyRecord(record, "Put data points failed!");
+                            throw DataXException.asDataXException(TSDBWriterErrorCode.RUNTIME_EXCEPTION,
+                                    "Put data points failed!");
+                        }
+                        return 0;
+                    }
+                }, retrySize, 60000L, true);
+            } catch (Exception e) {
+                if (ignoreWriteError) {
+                    LOG.warn("Ignore write exceptions and continue writing.");
+                } else {
+                    throw DataXException.asDataXException(TSDBWriterErrorCode.RETRY_WRITER_EXCEPTION, e);
+                }
+            }
+        }
+
+        @Override
+        public void post() {
+        }
+
+        @Override
+        public void destroy() {
+        }
+    }
+}
--- a/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/tsdbwriter/TSDBWriterErrorCode.java
+++ b/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/tsdbwriter/TSDBWriterErrorCode.java
@ -0,0 +1,41 @@
+package com.alibaba.datax.plugin.writer.tsdbwriter;
+
+import com.alibaba.datax.common.spi.ErrorCode;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：TSDB Http Writer Error Code
+ *
+ * @author Benedict Jin
+ * @since 2019-04-18
+ */
+public enum TSDBWriterErrorCode implements ErrorCode {
+
+    REQUIRED_VALUE("TSDBWriter-00", "Missing the necessary value"),
+    RUNTIME_EXCEPTION("TSDBWriter-01", "Runtime exception"),
+    RETRY_WRITER_EXCEPTION("TSDBWriter-02", "After repeated attempts, the write still fails");
+
+    private final String code;
+    private final String description;
+
+    TSDBWriterErrorCode(String code, String description) {
+        this.code = code;
+        this.description = description;
+    }
+
+    @Override
+    public String getCode() {
+        return this.code;
+    }
+
+    @Override
+    public String getDescription() {
+        return this.description;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("Code:[%s], Description:[%s]. ", this.code, this.description);
+    }
+}
--- a/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/util/HttpUtils.java
+++ b/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/util/HttpUtils.java
@ -0,0 +1,68 @@
+package com.alibaba.datax.plugin.writer.util;
+
+import com.alibaba.fastjson.JSON;
+import org.apache.http.client.fluent.Content;
+import org.apache.http.client.fluent.Request;
+import org.apache.http.entity.ContentType;
+
+import java.nio.charset.Charset;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：HttpUtils
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+public final class HttpUtils {
+
+    public final static Charset UTF_8 = Charset.forName("UTF-8");
+    public final static int CONNECT_TIMEOUT_DEFAULT_IN_MILL = (int) TimeUnit.SECONDS.toMillis(60);
+    public final static int SOCKET_TIMEOUT_DEFAULT_IN_MILL = (int) TimeUnit.SECONDS.toMillis(60);
+
+    private HttpUtils() {
+    }
+
+    public static String get(String url) throws Exception {
+        Content content = Request.Get(url)
+                .connectTimeout(CONNECT_TIMEOUT_DEFAULT_IN_MILL)
+                .socketTimeout(SOCKET_TIMEOUT_DEFAULT_IN_MILL)
+                .execute()
+                .returnContent();
+        if (content == null) {
+            return null;
+        }
+        return content.asString(UTF_8);
+    }
+
+    public static String post(String url, Map<String, Object> params) throws Exception {
+        return post(url, JSON.toJSONString(params), CONNECT_TIMEOUT_DEFAULT_IN_MILL, SOCKET_TIMEOUT_DEFAULT_IN_MILL);
+    }
+
+    public static String post(String url, String params) throws Exception {
+        return post(url, params, CONNECT_TIMEOUT_DEFAULT_IN_MILL, SOCKET_TIMEOUT_DEFAULT_IN_MILL);
+    }
+
+    public static String post(String url, Map<String, Object> params,
+                              int connectTimeoutInMill, int socketTimeoutInMill) throws Exception {
+        return post(url, JSON.toJSONString(params), connectTimeoutInMill, socketTimeoutInMill);
+    }
+
+    public static String post(String url, String params,
+                              int connectTimeoutInMill, int socketTimeoutInMill) throws Exception {
+        Content content = Request.Post(url)
+                .connectTimeout(connectTimeoutInMill)
+                .socketTimeout(socketTimeoutInMill)
+                .addHeader("Content-Type", "application/json")
+                .bodyString(params, ContentType.APPLICATION_JSON)
+                .execute()
+                .returnContent();
+        if (content == null) {
+            return null;
+        }
+        return content.asString(UTF_8);
+    }
+}
--- a/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/util/TSDBUtils.java
+++ b/tsdbwriter/src/main/java/com/alibaba/datax/plugin/writer/util/TSDBUtils.java
@ -0,0 +1,72 @@
+package com.alibaba.datax.plugin.writer.util;
+
+import com.alibaba.datax.plugin.writer.conn.DataPoint4TSDB;
+import com.alibaba.fastjson.JSON;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：TSDB Utils
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+public final class TSDBUtils {
+
+    private static final Logger LOG = LoggerFactory.getLogger(TSDBUtils.class);
+
+    private TSDBUtils() {
+    }
+
+    public static String version(String address) {
+        String url = String.format("%s/api/version", address);
+        String rsp;
+        try {
+            rsp = HttpUtils.get(url);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+        return rsp;
+    }
+
+    public static String config(String address) {
+        String url = String.format("%s/api/config", address);
+        String rsp;
+        try {
+            rsp = HttpUtils.get(url);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+        return rsp;
+    }
+
+    public static boolean put(String address, List<DataPoint4TSDB> dps) {
+        return put(address, JSON.toJSON(dps));
+    }
+
+    public static boolean put(String address, DataPoint4TSDB dp) {
+        return put(address, JSON.toJSON(dp));
+    }
+
+    private static boolean put(String address, Object o) {
+        return put(address, o.toString());
+    }
+
+    public static boolean put(String address, String s) {
+        String url = String.format("%s/api/put", address);
+        String rsp;
+        try {
+            rsp = HttpUtils.post(url, s);
+            // If successful, the returned content should be null.
+            assert rsp == null;
+        } catch (Exception e) {
+            LOG.error("Address: {}, DataPoints: {}", url, s);
+            throw new RuntimeException(e);
+        }
+        return true;
+    }
+}
--- a/tsdbwriter/src/main/resources/plugin.json
+++ b/tsdbwriter/src/main/resources/plugin.json
@ -0,0 +1,10 @@
+{
+  "name": "tsdbwriter",
+  "class": "com.alibaba.datax.plugin.writer.tsdbwriter.TSDBWriter",
+  "description": {
+    "useScene": "往 TSDB 中摄入数据点",
+    "mechanism": "调用 TSDB 的 /api/put 接口，实现数据点的写入",
+    "warn": ""
+  },
+  "developer": "Benedict Jin"
+}
--- a/tsdbwriter/src/main/resources/plugin_job_template.json
+++ b/tsdbwriter/src/main/resources/plugin_job_template.json
@ -0,0 +1,6 @@
+{
+  "name": "tsdbwriter",
+  "parameter": {
+    "endpoint": "http://localhost:8242"
+  }
+}
--- a/tsdbwriter/src/test/java/com/alibaba/datax/plugin/writer/conn/TSDBConnectionTest.java
+++ b/tsdbwriter/src/test/java/com/alibaba/datax/plugin/writer/conn/TSDBConnectionTest.java
@ -0,0 +1,30 @@
+package com.alibaba.datax.plugin.writer.conn;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：TSDBConnection Test
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+@Ignore
+public class TSDBConnectionTest {
+
+    private static final String TSDB_ADDRESS = "http://localhost:8240";
+
+    @Test
+    public void testVersion() {
+        String version = new TSDBConnection(TSDB_ADDRESS).version();
+        Assert.assertNotNull(version);
+    }
+
+    @Test
+    public void testIsSupported() {
+        Assert.assertTrue(new TSDBConnection(TSDB_ADDRESS).isSupported());
+    }
+}
--- a/tsdbwriter/src/test/java/com/alibaba/datax/plugin/writer/util/Const.java
+++ b/tsdbwriter/src/test/java/com/alibaba/datax/plugin/writer/util/Const.java
@ -0,0 +1,18 @@
+package com.alibaba.datax.plugin.writer.util;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：Const
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+final class Const {
+
+    private Const() {
+    }
+
+    static final String OPENTSDB_ADDRESS = "http://localhost:8242";
+    static final String TSDB_ADDRESS = "http://localhost:8240";
+}
--- a/tsdbwriter/src/test/java/com/alibaba/datax/plugin/writer/util/HttpUtilsTest.java
+++ b/tsdbwriter/src/test/java/com/alibaba/datax/plugin/writer/util/HttpUtilsTest.java
@ -0,0 +1,39 @@
+package com.alibaba.datax.plugin.writer.util;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：HttpUtils Test
+ *
+ * @author Benedict Jin
+ * @since 2019-03-29
+ */
+@Ignore
+public class HttpUtilsTest {
+
+    @Test
+    public void testSimpleCase() throws Exception {
+        String url = "https://httpbin.org/post";
+        Map<String, Object> params = new HashMap<String, Object>();
+        params.put("foo", "bar");
+
+        String rsp = HttpUtils.post(url, params);
+        System.out.println(rsp);
+        Assert.assertNotNull(rsp);
+    }
+
+    @Test
+    public void testGet() throws Exception {
+        String url = String.format("%s/api/version", Const.OPENTSDB_ADDRESS);
+        String rsp = HttpUtils.get(url);
+        System.out.println(rsp);
+        Assert.assertNotNull(rsp);
+    }
+}
--- a/tsdbwriter/src/test/java/com/alibaba/datax/plugin/writer/util/TSDBTest.java
+++ b/tsdbwriter/src/test/java/com/alibaba/datax/plugin/writer/util/TSDBTest.java
@ -0,0 +1,28 @@
+package com.alibaba.datax.plugin.writer.util;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * Copyright @ 2019 alibaba.com
+ * All right reserved.
+ * Function：TSDB Test
+ *
+ * @author Benedict Jin
+ * @since 2019-04-11
+ */
+@Ignore
+public class TSDBTest {
+
+    @Test
+    public void testVersion() {
+        String version = TSDBUtils.version(Const.TSDB_ADDRESS);
+        Assert.assertNotNull(version);
+        System.out.println(version);
+
+        version = TSDBUtils.version(Const.OPENTSDB_ADDRESS);
+        Assert.assertNotNull(version);
+        System.out.println(version);
+    }
+}