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class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Operations</span><meta itemprop="position" content="1"></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Misc</span><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">pull-deps tool</span><meta itemprop="position" content="3"></li></ul></nav><div class="theme-doc-markdown markdown"><header><h1>pull-deps tool</h1></header><p><code>pull-deps</code> is an Apache Druid 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 multiple 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 existing extension and hadoop dependencies directories before pulling down dependencies.</p><p><code>-l</code> or <code>--localRepository</code></p><p>A local repository 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 <code>--no-default-remote-repositories</code> is provided, these will be used after <a href="https://repo1.maven.org/maven2/" target="_blank" rel="noopener noreferrer">https://repo1.maven.org/maven2/</a>.</p><p><code>--no-default-remote-repositories</code></p><p>Don't use the default remote repository, <a href="https://repo1.maven.org/maven2/" target="_blank" rel="noopener noreferrer">https://repo1.maven.org/maven2/</a>. 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>26.0.0</code>, then this coordinate will be treated as <code>org.apache.druid.extensions:mysql-metadata-storage:26.0.0</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="/docs/26.0.0/configuration/">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>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:mysql-metadata-storage:26.0.0</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="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">java -classpath "/my/druid/lib/*" org.apache.druid.cli.Main tools pull-deps --clean -c org.apache.druid.extensions:mysql-metadata-storage:26.0.0 -h org.apache.hadoop:hadoop-client:2.3.0 -h org.apache.hadoop:hadoop-client:2.4.0</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></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="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">tree extensions</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">extensions</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">└── mysql-metadata-storage</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> └── mysql-metadata-storage-26.0.0.jar</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">tree hadoop-dependencies</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">hadoop-dependencies/</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">└── hadoop-client</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> ├── 2.3.0</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> │ ├── activation-1.1.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> │ ├── avro-1.7.4.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> │ ├── commons-beanutils-1.7.0.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> │ ├── commons-beanutils-core-1.8.0.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> │ ├── commons-cli-1.2.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> │ ├── commons-codec-1.4.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> ..... lots of jars</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> └── 2.4.0</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> ├── activation-1.1.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> ├── avro-1.7.4.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> ├── commons-beanutils-1.7.0.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> ├── commons-beanutils-core-1.8.0.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> ├── commons-cli-1.2.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> ├── commons-codec-1.4.jar</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> ..... lots of jars</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></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 <code>mysql-metadata-storage</code> to use version <code>26.0.0</code>, you can change the command above to</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">java -classpath "/my/druid/lib/*" org.apache.druid.cli.Main tools pull-deps --defaultVersion 26.0.0 --clean -c org.apache.druid.extensions:mysql-metadata-storage -h org.apache.hadoop:hadoop-client:2.3.0 -h org.apache.hadoop:hadoop-client:2.4.0</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><blockquote><p>Please note to use the pull-deps tool you must know the Maven groupId, artifactId, and version of your extension.</p><p>For Druid community extensions listed <a href="/docs/26.0.0/development/extensions">here</a>, the groupId is "org.apache.druid.extensions.contrib" and the artifactId is the name of the extension.</p></blockquote></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/docs/26.0.0/operations/insert-segment-to-db"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">insert-segment-to-db tool</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/docs/26.0.0/operations/deep-storage-migration"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Deep storage migration</div></a></nav></div></div></div></div></main></div></div><footer class="footer"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="margin-bottom--sm"><img src="/img/favicon.png" class="themedImage_ToTc themedImage--light_HNdA footer__logo"><img src="/img/favicon.png" class="themedImage_ToTc themedImage--dark_i4oU footer__logo"></div><div class="footer__copyright">Copyright © 2023 Apache Software Foundation. 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