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| <h1 id="pull-deps-tool">pull-deps Tool</h1> |
| |
| <p><code>pull-deps</code> is an Apache Druid (incubating) tool that can pull down dependencies to the local repository and lay dependencies out into the extension directory as needed.</p> |
| |
| <p><code>pull-deps</code> has several command line options, they are as follows:</p> |
| |
| <p><code>-c</code> or <code>--coordinate</code> (Can be specified multiply times)</p> |
| |
| <p>Extension coordinate to pull down, followed by a maven coordinate, e.g. org.apache.druid.extensions:mysql-metadata-storage</p> |
| |
| <p><code>-h</code> or <code>--hadoop-coordinate</code> (Can be specified multiply times)</p> |
| |
| <p>Apache Hadoop dependency to pull down, followed by a maven coordinate, e.g. org.apache.hadoop:hadoop-client:2.4.0</p> |
| |
| <p><code>--no-default-hadoop</code></p> |
| |
| <p>Don't pull down the default hadoop coordinate, i.e., org.apache.hadoop:hadoop-client:2.3.0. If <code>-h</code> option is supplied, then default hadoop coordinate will not be downloaded.</p> |
| |
| <p><code>--clean</code></p> |
| |
| <p>Remove exisiting extension and hadoop dependencies directories before pulling down dependencies.</p> |
| |
| <p><code>-l</code> or <code>--localRepository</code></p> |
| |
| <p>A local repostiry that Maven will use to put downloaded files. Then pull-deps will lay these files out into the extensions directory as needed.</p> |
| |
| <p><code>-r</code> or <code>--remoteRepository</code></p> |
| |
| <p>Add a remote repository. Unless --no-default-remote-repositories is provided, these will be used after https://repo1.maven.org/maven2/ and https://metamx.artifactoryonline.com/metamx/pub-libs-releases-local</p> |
| |
| <p><code>--no-default-remote-repositories</code></p> |
| |
| <p>Don't use the default remote repositories, only use the repositories provided directly via --remoteRepository.</p> |
| |
| <p><code>-d</code> or <code>--defaultVersion</code></p> |
| |
| <p>Version to use for extension coordinate that doesn't have a version information. For example, if extension coordinate is <code>org.apache.druid.extensions:mysql-metadata-storage</code>, and default version is <code>0.14.1-incubating</code>, then this coordinate will be treated as <code>org.apache.druid.extensions:mysql-metadata-storage:0.14.1-incubating</code></p> |
| |
| <p><code>--use-proxy</code></p> |
| |
| <p>Use http/https proxy to send request to the remote repository servers. <code>--proxy-host</code> and <code>--proxy-port</code> must be set explicitly if this option is enabled. </p> |
| |
| <p><code>--proxy-type</code></p> |
| |
| <p>Set the proxy type, Should be either <em>http</em> or <em>https</em>, default value is <em>https</em>.</p> |
| |
| <p><code>--proxy-host</code></p> |
| |
| <p>Set the proxy host. e.g. proxy.com.</p> |
| |
| <p><code>--proxy-port</code></p> |
| |
| <p>Set the proxy port number. e.g. 8080.</p> |
| |
| <p><code>--proxy-username</code></p> |
| |
| <p>Set a username to connect to the proxy, this option is only required if the proxy server uses authentication.</p> |
| |
| <p><code>--proxy-password</code></p> |
| |
| <p>Set a password to connect to the proxy, this option is only required if the proxy server uses authentication.</p> |
| |
| <p>To run <code>pull-deps</code>, you should</p> |
| |
| <p>1) Specify <code>druid.extensions.directory</code> and <code>druid.extensions.hadoopDependenciesDir</code>, these two properties tell <code>pull-deps</code> where to put extensions. If you don't specify them, default values will be used, see <a href="../configuration/index.html">Configuration</a>.</p> |
| |
| <p>2) Tell <code>pull-deps</code> what to download using <code>-c</code> or <code>-h</code> option, which are followed by a maven coordinate.</p> |
| |
| <p>Example:</p> |
| |
| <p>Suppose you want to download <code>druid-rabbitmq</code>, <code>mysql-metadata-storage</code> and <code>hadoop-client</code>(both 2.3.0 and 2.4.0) with a specific version, you can run <code>pull-deps</code> command with <code>-c org.apache.druid.extensions:druid-examples:0.14.1-incubating</code>, <code>-c org.apache.druid.extensions:mysql-metadata-storage:0.14.1-incubating</code>, <code>-h org.apache.hadoop:hadoop-client:2.3.0</code> and <code>-h org.apache.hadoop:hadoop-client:2.4.0</code>, an example command would be:</p> |
| <div class="highlight"><pre><code class="language-text" data-lang="text"><span></span>java -classpath "/my/druid/lib/*" org.apache.druid.cli.Main tools pull-deps --clean -c org.apache.druid.extensions:mysql-metadata-storage:0.14.1-incubating -c org.apache.druid.extensions.contrib:druid-rabbitmq:0.14.1-incubating -h org.apache.hadoop:hadoop-client:2.3.0 -h org.apache.hadoop:hadoop-client:2.4.0 |
| </code></pre></div> |
| <p>Because <code>--clean</code> is supplied, this command will first remove the directories specified at <code>druid.extensions.directory</code> and <code>druid.extensions.hadoopDependenciesDir</code>, then recreate them and start downloading the extensions there. After finishing downloading, if you go to the extension directories you specified, you will see</p> |
| <div class="highlight"><pre><code class="language-text" data-lang="text"><span></span>tree extensions |
| extensions |
| ├── druid-examples |
| │ ├── commons-beanutils-1.8.3.jar |
| │ ├── commons-digester-1.8.jar |
| │ ├── commons-logging-1.1.1.jar |
| │ ├── commons-validator-1.4.0.jar |
| │ ├── druid-examples-0.14.1-incubating.jar |
| │ ├── twitter4j-async-3.0.3.jar |
| │ ├── twitter4j-core-3.0.3.jar |
| │ └── twitter4j-stream-3.0.3.jar |
| └── mysql-metadata-storage |
| └── mysql-metadata-storage-0.14.1-incubating.jar |
| </code></pre></div><div class="highlight"><pre><code class="language-text" data-lang="text"><span></span>tree hadoop-dependencies |
| hadoop-dependencies/ |
| └── hadoop-client |
| ├── 2.3.0 |
| │ ├── activation-1.1.jar |
| │ ├── avro-1.7.4.jar |
| │ ├── commons-beanutils-1.7.0.jar |
| │ ├── commons-beanutils-core-1.8.0.jar |
| │ ├── commons-cli-1.2.jar |
| │ ├── commons-codec-1.4.jar |
| ..... lots of jars |
| └── 2.4.0 |
| ├── activation-1.1.jar |
| ├── avro-1.7.4.jar |
| ├── commons-beanutils-1.7.0.jar |
| ├── commons-beanutils-core-1.8.0.jar |
| ├── commons-cli-1.2.jar |
| ├── commons-codec-1.4.jar |
| ..... lots of jars |
| </code></pre></div> |
| <p>Note that if you specify <code>--defaultVersion</code>, you don't have to put version information in the coordinate. For example, if you want both <code>druid-rabbitmq</code> and <code>mysql-metadata-storage</code> to use version <code>0.14.1-incubating</code>, you can change the command above to</p> |
| <div class="highlight"><pre><code class="language-text" data-lang="text"><span></span>java -classpath "/my/druid/lib/*" org.apache.druid.cli.Main tools pull-deps --defaultVersion 0.14.1-incubating --clean -c org.apache.druid.extensions:mysql-metadata-storage -c org.apache.druid.extensions.contrib:druid-rabbitmq -h org.apache.hadoop:hadoop-client:2.3.0 -h org.apache.hadoop:hadoop-client:2.4.0 |
| </code></pre></div> |
| <div class="note info"> |
| Please note to use the pull-deps tool you must know the Maven groupId, artifactId, and version of your extension. |
| |
| For Druid community extensions listed <a href="../development/extensions.html">here</a>, the groupId is "org.apache.druid.extensions.contrib" and the artifactId is the name of the extension. |
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