Added: zeppelin/site/docs/0.8.2/usage/other_features/publishing_paragraphs.html URL: http://svn.apache.org/viewvc/zeppelin/site/docs/0.8.2/usage/other_features/publishing_paragraphs.html?rev=1867691&view=auto ============================================================================== --- zeppelin/site/docs/0.8.2/usage/other_features/publishing_paragraphs.html (added) +++ zeppelin/site/docs/0.8.2/usage/other_features/publishing_paragraphs.html Sun Sep 29 07:08:10 2019 @@ -0,0 +1,319 @@ + +<!DOCTYPE html> +<html lang="en"> + <head> + <meta charset="utf-8"> + <title>Apache Zeppelin 0.8.0 Documentation: How can you publish your paragraphs</title> + <meta name="description" content="Apache Zeppelin provides a feature for publishing your notebook paragraph results. Using this feature, you can show Zeppelin notebook paragraph results in your own website."> + <meta name="author" content="The Apache Software Foundation"> + + <!-- Enable responsive viewport --> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + + <!-- Le HTML5 shim, for IE6-8 support of HTML elements --> + <!--[if lt IE 9]> + <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script> + <![endif]--> + + <link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"> + + <!-- Le styles --> + <link href="/docs/0.8.0/assets/themes//bootstrap/css/bootstrap.css" rel="stylesheet"> + <link href="/docs/0.8.0/assets/themes//css/style.css?body=1" rel="stylesheet" type="text/css"> + <link href="/docs/0.8.0/assets/themes//css/syntax.css" rel="stylesheet" type="text/css" media="screen" /> + <!-- Le fav and touch icons --> + <!-- Update these with your own images + <link rel="shortcut icon" href="images/favicon.ico"> + 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<li><a href="/docs/0.8.0/interpreter/scio.html">Scio</a></li> + <li><a href="/docs/0.8.0/interpreter/shell.html">Shell</a></li> + </ul> + </li> + <li> + <a href="#" data-toggle="dropdown" class="dropdown-toggle">More<b class="caret"></b></a> + <ul class="dropdown-menu scrollable-menu" style="right: 0; left: auto;"> + <li class="title"><span>Extending Zeppelin</span></li> + <li><a href="/docs/0.8.0/development/writing_zeppelin_interpreter.html">Writing Zeppelin Interpreter</a></li> + <li role="separator" class="divider"></li> + <li class="title"><span>Helium (Experimental)</span></li> + <li><a href="/docs/0.8.0/development/helium/overview.html">Overview</a></li> + <li><a href="/docs/0.8.0/development/helium/writing_application.html">Writing Helium Application</a></li> + <li><a href="/docs/0.8.0/development/helium/writing_spell.html">Writing Helium Spell</a></li> + <li><a href="/docs/0.8.0/development/helium/writing_visualization_basic.html">Writing Helium Visualization: Basics</a></li> + <li><a href="/docs/0.8.0/development/helium/writing_visualization_transformation.html">Writing Helium Visualization: Transformation</a></li> + <li role="separator" class="divider"></li> + <li class="title"><span>Contributing to Zeppelin</span></li> + <li><a href="/docs/0.8.0/setup/basics/how_to_build.html">How to Build Zeppelin</a></li> + <li><a href="/docs/0.8.0/development/contribution/useful_developer_tools.html">Useful Developer Tools</a></li> + <li><a href="/docs/0.8.0/development/contribution/how_to_contribute_code.html">How to Contribute (code)</a></li> + <li><a href="/docs/0.8.0/development/contribution/how_to_contribute_website.html">How to Contribute (website)</a></li> + <li role="separator" class="divider"></li> + <li class="title"><span>External Resources</span></li> + <li><a target="_blank" href="">Mailing List</a></li> + <li><a target="_blank" href="">Apache Zeppelin Wiki</a></li> + <li><a target="_blank" href="">Stackoverflow Questions about Zeppelin</a></li> + </ul> + </li> + <li> + <a href="/docs/0.8.0/search.html" class="nav-search-link"> + <span class="fa fa-search nav-search-icon"></span> + </a> + </li> + </ul> + </nav><!--/.navbar-collapse --> + </div> + </div> + + + + <div class="content"> + +<!--<div class="hero-unit How can you publish your paragraphs"> + <h1></h1> +</div> +--> + +<div class="row"> + <div class="col-md-12"> + <!-- +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +--> + +<h1>How can you publish your paragraphs?</h1> + +<div id="toc"></div> + +<p>Apache Zeppelin provides a feature for publishing your notebook paragraph results. Using this feature, you can show Zeppelin notebook paragraph results in your own website. +It's very straightforward. Just use <code><iframe></code> tag in your page.</p> + +<h2>Copy a Paragraph Link</h2> + +<p>A first step to publish your paragraph result is <strong>Copy a Paragraph Link</strong>.</p> + +<ul> +<li><p>After running a paragraph in your Zeppelin notebook, click a gear button located on the right side. Then, click <strong>Link this Paragraph</strong> menu like below image. +<center><img src="/docs/0.8.0/assets/themes/zeppelin/img/docs-img/link-the-paragraph.png" height="100%" width="100%"></center></p></li> +<li><p>Just copy the provided link. +<center><img src="/docs/0.8.0/assets/themes/zeppelin/img/docs-img/copy-the-link.png" height="100%" width="100%"></center></p></li> +</ul> + +<h2>Embed the Paragraph to Your Website</h2> + +<p>For publishing the copied paragraph, you may use <code><iframe></code> tag in your website page. +For example,</p> +<div class="highlight"><pre><code class="language-text" data-lang="text"><span></span><iframe src="http://< ip-address >:< port >/#/notebook/2B3QSZTKR/paragraph/...?asIframe" height="" width="" ></iframe> +</code></pre></div> +<p>Finally, you can show off your beautiful visualization results in your website. +<center><img src="/docs/0.8.0/assets/themes/zeppelin/img/docs-img/your-website.png" height="90%" width="90%"></center></p> + +<blockquote> +<p><strong>Note</strong>: To embed the paragraph in a website, Apache Zeppelin needs to be reachable by that website. And please use this feature with caution and in a trusted environment only, as Zeppelin entire Webapp could be accessible by whoever visits your website. </p> +</blockquote> + + </div> +</div> + + + <hr> + <footer> + <!-- <p>© 2019 The Apache Software Foundation</p>--> + </footer> + </div> + + + + + <script type="text/javascript"> + (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ + (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), + m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) + })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); + + ga('create', 'UA-45176241-5', 'zeppelin.apache.org'); + ga('require', 'linkid', 'linkid.js'); + ga('send', 'pageview'); + +</script> + + + + </body> +</html> +
Propchange: zeppelin/site/docs/0.8.2/usage/other_features/publishing_paragraphs.html ------------------------------------------------------------------------------ svn:executable = * Added: zeppelin/site/docs/0.8.2/usage/other_features/zeppelin_context.html URL: http://svn.apache.org/viewvc/zeppelin/site/docs/0.8.2/usage/other_features/zeppelin_context.html?rev=1867691&view=auto ============================================================================== --- zeppelin/site/docs/0.8.2/usage/other_features/zeppelin_context.html (added) +++ zeppelin/site/docs/0.8.2/usage/other_features/zeppelin_context.html Sun Sep 29 07:08:10 2019 @@ -0,0 +1,489 @@ + +<!DOCTYPE html> +<html lang="en"> + <head> + <meta charset="utf-8"> + <title>Apache Zeppelin 0.8.0 Documentation: Zeppelin-Context</title> + <meta name="description" content="The Zeppelin-Context is a system-wide container for a variety of user-specific settings and parameters that are accessible across notebooks, cells, and 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class="dropdown-menu scrollable-menu"> + <li class="title"><span>Basics</span></li> + <li><a href="/docs/0.8.0/setup/basics/how_to_build.html">How to Build Zeppelin</a></li> + <li><a href="/docs/0.8.0/setup/basics/multi_user_support.html">Multi-user Support</a></li> + <li role="separator" class="divider"></li> + <li class="title"><span>Deployment</span></li> + <!--<li><a href="/docs/0.8.0/setup/deployment/docker.html">Docker Image for Zeppelin</a></li>--> + <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-standalone-mode">Spark Cluster Mode: Standalone</a></li> + <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-on-yarn-mode">Spark Cluster Mode: YARN</a></li> + <li><a href="/docs/0.8.0/setup/deployment/spark_cluster_mode.html#spark-on-mesos-mode">Spark Cluster Mode: Mesos</a></li> + <li><a href="/docs/0.8.0/setup/deployment/flink_and_spark_cluster.html">Zeppelin with Flink, Spark Cluster</a></li> + <li><a href="/docs/0.8.0/setup/deployment/cdh.html">Zeppelin on CDH</a></li> + <li><a href="/docs/0.8.0/setup/deployment/virtual_machine.html">Zeppelin on VM: Vagrant</a></li> + <li role="separator" class="divider"></li> + <li class="title"><span>Security</span></li> + <li><a href="/docs/0.8.0/setup/security/authentication_nginx.html">HTTP Basic Auth using NGINX</a></li> + <li><a href="/docs/0.8.0/setup/security/shiro_authentication.html">Shiro Authentication</a></li> + <li><a href="/docs/0.8.0/setup/security/notebook_authorization.html">Notebook Authorization</a></li> + <li><a href="/docs/0.8.0/setup/security/datasource_authorization.html">Data Source Authorization</a></li> + <li><a href="/docs/0.8.0/setup/security/http_security_headers.html">HTTP Security Headers</a></li> + <li role="separator" class="divider"></li> + <li class="title"><span>Notebook Storage</span></li> + <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-local-git-repository">Git Storage</a></li> + <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-s3">S3 Storage</a></li> + <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-azure">Azure Storage</a></li> + <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-zeppelinhub">ZeppelinHub Storage</a></li> + <li><a href="/docs/0.8.0/setup/storage/storage.html#notebook-storage-in-mongodb">MongoDB Storage</a></li> + <li role="separator" class="divider"></li> + <li class="title"><span>Operation</span></li> + <li><a href="/docs/0.8.0/setup/operation/configuration.html">Configuration</a></li> + <li><a href="/docs/0.8.0/setup/operation/proxy_setting.html">Proxy Setting</a></li> + <li><a href="/docs/0.8.0/setup/operation/upgrading.html">Upgrading</a></li> + <li><a href="/docs/0.8.0/setup/operation/trouble_shooting.html">Trouble Shooting</a></li> + </ul> + </li> + + <li> + <a href="#" data-toggle="dropdown" class="dropdown-toggle">Interpreter <b class="caret"></b></a> + <ul 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href="/docs/0.8.0/interpreter/groovy.html">Groovy</a></li> + <li><a href="/docs/0.8.0/interpreter/hbase.html">HBase</a></li> + <li><a href="/docs/0.8.0/interpreter/hdfs.html">HDFS</a></li> + <li><a href="/docs/0.8.0/interpreter/hive.html">Hive</a></li> + <li><a href="/docs/0.8.0/interpreter/ignite.html">Ignite</a></li> + <li><a href="/docs/0.8.0/interpreter/kylin.html">Kylin</a></li> + <li><a href="/docs/0.8.0/interpreter/lens.html">Lens</a></li> + <li><a href="/docs/0.8.0/interpreter/livy.html">Livy</a></li> + <li><a href="/docs/0.8.0/interpreter/markdown.html">Markdown</a></li> + <li><a href="/docs/0.8.0/interpreter/neo4j.html">Neo4j</a></li> + <li><a href="/docs/0.8.0/interpreter/pig.html">Pig</a></li> + <li><a href="/docs/0.8.0/interpreter/postgresql.html">Postgresql, HAWQ</a></li> + <li><a href="/docs/0.8.0/interpreter/r.html">R</a></li> + <li><a href="/docs/0.8.0/interpreter/scalding.html">Scalding</a></li> + <li><a href="/docs/0.8.0/interpreter/scio.html">Scio</a></li> + <li><a href="/docs/0.8.0/interpreter/shell.html">Shell</a></li> + </ul> + </li> + <li> + <a href="#" data-toggle="dropdown" class="dropdown-toggle">More<b class="caret"></b></a> + <ul class="dropdown-menu scrollable-menu" style="right: 0; left: auto;"> + <li class="title"><span>Extending Zeppelin</span></li> + <li><a href="/docs/0.8.0/development/writing_zeppelin_interpreter.html">Writing Zeppelin Interpreter</a></li> + <li role="separator" class="divider"></li> + <li class="title"><span>Helium (Experimental)</span></li> + <li><a href="/docs/0.8.0/development/helium/overview.html">Overview</a></li> + <li><a href="/docs/0.8.0/development/helium/writing_application.html">Writing Helium Application</a></li> + <li><a href="/docs/0.8.0/development/helium/writing_spell.html">Writing Helium Spell</a></li> + <li><a href="/docs/0.8.0/development/helium/writing_visualization_basic.html">Writing Helium Visualization: Basics</a></li> + <li><a href="/docs/0.8.0/development/helium/writing_visualization_transformation.html">Writing Helium Visualization: Transformation</a></li> + <li role="separator" class="divider"></li> + <li class="title"><span>Contributing to Zeppelin</span></li> + <li><a href="/docs/0.8.0/setup/basics/how_to_build.html">How to Build Zeppelin</a></li> + <li><a href="/docs/0.8.0/development/contribution/useful_developer_tools.html">Useful Developer Tools</a></li> + <li><a href="/docs/0.8.0/development/contribution/how_to_contribute_code.html">How to Contribute (code)</a></li> + <li><a href="/docs/0.8.0/development/contribution/how_to_contribute_website.html">How to Contribute (website)</a></li> + <li role="separator" class="divider"></li> + <li class="title"><span>External Resources</span></li> + <li><a target="_blank" href="">Mailing List</a></li> + <li><a target="_blank" href="">Apache Zeppelin Wiki</a></li> + <li><a target="_blank" href="">Stackoverflow Questions about Zeppelin</a></li> + </ul> + </li> + <li> + <a href="/docs/0.8.0/search.html" class="nav-search-link"> + <span class="fa fa-search nav-search-icon"></span> + </a> + </li> + </ul> + </nav><!--/.navbar-collapse --> + </div> + </div> + + + + <div class="content"> + +<!--<div class="hero-unit Zeppelin-Context"> + <h1></h1> +</div> +--> + +<div class="row"> + <div class="col-md-12"> + <!-- +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +--> + +<h1>Zeppelin-Context</h1> + +<div id="toc"></div> + +<p>The zeppelin-context is a system-wide container for common utility functions and +user-specific data. It implements functions for data input, data display, etc. that are +often needed but are not uniformly available in all interpreters. +Its single per-user instance is accessible across all of the user's notebooks and cells, +enabling data exchange between cells - even in different notebooks. +But the way in which the zeppelin-context is used, and the functionality available differs +depending on whether or not the associated interpreter is based on a programming language. +Details of how the zeppelin-context is used for different purposes and in different +environments is described below.</p> + +<h2>Usage in Programming Language Cells</h2> + +<p>In many programming-language interpreters (e.g. Apache Spark, Python, R) the zeppelin-context is available +as a predefined variable <code>z</code> that can be used by directly invoking its methods. +The methods available on the <code>z</code> object are described below. +Other interpreters based on programming languages like spark.dep, Apache Beam, etc. also provide the +predefined variable <code>z</code>.</p> + +<h3>Exploring Spark DataFrames</h3> + +<p>In the Apache Spark interpreter, the zeppelin-context provides a <code>show</code> method, which, +using Zeppelin's <code>table</code> feature, can be used to nicely display a Spark DataFrame:</p> +<div class="highlight"><pre><code class="language-scala" data-lang="scala"><span></span><span class="n">df</span> <span class="k">=</span> <span class="n">spark</span><span class="o">.</span><span class="n">read</span><span class="o">.</span><span class="n">csv</span><span class="o">(</span><span class="err">'</span><span class="o">/</span><span class="n">path</span><span class="o">/</span><span class="n">to</span><span class="o">/</span><span class="n">csv</span><span class="err">'</span><span class="o">)</span> +<span class="n">z</span><span class="o">.</span><span class="n">show</span><span class="o">(</span><span class="n">df</span><span class="o">)</span> +</code></pre></div> +<p>This display functionality using the <code>show</code> method is planned to be extended uniformly to +other interpreters that can access the <code>z</code> object.</p> + +<h3>Object Exchange</h3> + +<p><code>ZeppelinContext</code> extends map and it's shared between the Apache Spark and Python environments. +So you can put some objects using Scala (in an Apache Spark cell) and read it from Python, and vice versa.</p> + +<div class="codetabs"> + <div data-lang="scala" markdown="1"> + + +<figure class="highlight"><pre><code class="language-scala" data-lang="scala"><span></span><span class="c1">// Put object from scala</span> +<span class="o">%</span><span class="n">spark</span> +<span class="k">val</span> <span class="n">myObject</span> <span class="k">=</span> <span class="o">...</span> +<span class="n">z</span><span class="o">.</span><span class="n">put</span><span class="o">(</span><span class="s">"objName"</span><span class="o">,</span> <span class="n">myObject</span><span class="o">)</span> + +<span class="c1">// Exchanging data frames</span> +<span class="n">myScalaDataFrame</span> <span class="k">=</span> <span class="o">...</span> +<span class="n">z</span><span class="o">.</span><span class="n">put</span><span class="o">(</span><span class="s">"myScalaDataFrame"</span><span class="o">,</span> <span class="n">myScalaDataFrame</span><span class="o">)</span> + +<span class="k">val</span> <span class="n">myPythonDataFrame</span> <span class="k">=</span> <span class="n">z</span><span class="o">.</span><span class="n">get</span><span class="o">(</span><span class="s">"myPythonDataFrame"</span><span class="o">).</span><span class="n">asInstanceOf</span><span class="o">[</span><span class="kt">DataFrame</span><span class="o">]</span></code></pre></figure> + + + </div> + <div data-lang="python" markdown="1"> + + +<figure class="highlight"><pre><code class="language-python" data-lang="python"><span></span><span class="c1"># Get object from python</span> +<span class="o">%</span><span class="n">spark</span><span class="o">.</span><span class="n">pyspark</span> +<span class="n">myObject</span> <span class="o">=</span> <span class="n">z</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"objName"</span><span class="p">)</span> + +<span class="c1"># Exchanging data frames</span> +<span class="n">myPythonDataFrame</span> <span class="o">=</span> <span class="o">...</span> +<span class="n">z</span><span class="o">.</span><span class="n">put</span><span class="p">(</span><span class="s2">"myPythonDataFrame"</span><span class="p">,</span> <span class="n">postsDf</span><span class="o">.</span><span class="n">_jdf</span><span class="p">)</span> + +<span class="n">myScalaDataFrame</span> <span class="o">=</span> <span class="n">DataFrame</span><span class="p">(</span><span class="n">z</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"myScalaDataFrame"</span><span class="p">),</span> <span class="n">sqlContext</span><span class="p">)</span></code></pre></figure> + + + </div> +</div> + +<h3>Form Creation</h3> + +<p><code>ZeppelinContext</code> provides functions for creating forms. +In Scala and Python environments, you can create forms programmatically. +<div class="codetabs"> + <div data-lang="scala" markdown="1"></p> + +<figure class="highlight"><pre><code class="language-scala" data-lang="scala"><span></span><span class="o">%</span><span class="n">spark</span> +<span class="cm">/* Create text input form */</span> +<span class="n">z</span><span class="o">.</span><span class="n">input</span><span class="o">(</span><span class="s">"formName"</span><span class="o">)</span> + +<span class="cm">/* Create text input form with default value */</span> +<span class="n">z</span><span class="o">.</span><span class="n">input</span><span class="o">(</span><span class="s">"formName"</span><span class="o">,</span> <span class="s">"defaultValue"</span><span class="o">)</span> + +<span class="cm">/* Create select form */</span> +<span class="n">z</span><span class="o">.</span><span class="n">select</span><span class="o">(</span><span class="s">"formName"</span><span class="o">,</span> <span class="nc">Seq</span><span class="o">((</span><span class="s">"option1"</span><span class="o">,</span> <span class="s">"option1DisplayName"</span><span class="o">),</span> + <span class="o">(</span><span class="s">"option2"</span><span class="o">,</span> <span class="s">"option2DisplayName"</span><span class="o">)))</span> + +<span class="cm">/* Create select form with default value*/</span> +<span class="n">z</span><span class="o">.</span><span class="n">select</span><span class="o">(</span><span class="s">"formName"</span><span class="o">,</span> <span class="s">"option1"</span><span class="o">,</span> <span class="nc">Seq</span><span class="o">((</span><span class="s">"option1"</span><span class="o">,</span> <span class="s">"option1DisplayName"</span><span class="o">),</span> + <span class="o">(</span><span class="s">"option2"</span><span class="o">,</span> <span class="s">"option2DisplayName"</span><span class="o">)))</span></code></pre></figure> + +<p></div> + <div data-lang="python" markdown="1"></p> + +<figure class="highlight"><pre><code class="language-python" data-lang="python"><span></span><span class="o">%</span><span class="n">spark</span><span class="o">.</span><span class="n">pyspark</span> +<span class="c1"># Create text input form</span> +<span class="n">z</span><span class="o">.</span><span class="n">input</span><span class="p">(</span><span class="s2">"formName"</span><span class="p">)</span> + +<span class="c1"># Create text input form with default value</span> +<span class="n">z</span><span class="o">.</span><span class="n">input</span><span class="p">(</span><span class="s2">"formName"</span><span class="p">,</span> <span class="s2">"defaultValue"</span><span class="p">)</span> + +<span class="c1"># Create select form</span> +<span class="n">z</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"formName"</span><span class="p">,</span> <span class="p">[(</span><span class="s2">"option1"</span><span class="p">,</span> <span class="s2">"option1DisplayName"</span><span class="p">),</span> + <span class="p">(</span><span class="s2">"option2"</span><span class="p">,</span> <span class="s2">"option2DisplayName"</span><span class="p">)])</span> + +<span class="c1"># Create select form with default value</span> +<span class="n">z</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"formName"</span><span class="p">,</span> <span class="p">[(</span><span class="s2">"option1"</span><span class="p">,</span> <span class="s2">"option1DisplayName"</span><span class="p">),</span> + <span class="p">(</span><span class="s2">"option2"</span><span class="p">,</span> <span class="s2">"option2DisplayName"</span><span class="p">)],</span> <span class="s2">"option1"</span><span class="p">)</span></code></pre></figure> + +<p></div> +</div></p> + +<p>In sql environment, you can create form in simple template.</p> +<div class="highlight"><pre><code class="language-sql" data-lang="sql"><span></span><span class="o">%</span><span class="n">spark</span><span class="p">.</span><span class="k">sql</span> +<span class="k">select</span> <span class="o">*</span> <span class="k">from</span> <span class="err">${</span><span class="k">table</span><span class="o">=</span><span class="n">defaultTableName</span><span class="err">}</span> <span class="k">where</span> <span class="nb">text</span> <span class="k">like</span> <span class="s1">'%${search}%'</span> +</code></pre></div> +<p>To learn more about dynamic form, checkout <a href="../usage/dynamic_form/intro.html">Dynamic Form</a>.</p> + +<h3>Interpreter-Specific Functions</h3> + +<p>Some interpreters use a subclass of <code>BaseZepplinContext</code> augmented with interpreter-specific functions. +For example functions of the dependency loader (%spark.dep) can be invoked as <code>z.addRepo()</code>, <code>z.load()</code>, etc. +Such interpreter-specific functions are described within each interpreter's documentation.</p> + +<h2>Usage with Embedded Commands</h2> + +<p>In certain interpreters (see table below) zeppelin-context features may be invoked by embedding +command strings into the paragraph text. Such embedded command strings are used to invoke +dynamic-forms and object-interpolation as described below. </p> + +<table><thead> +<tr> +<th>Interpreters that use Embedded Commands</th> +</tr> +</thead><tbody> +<tr> +<td>spark.sql (*), bigquery, cassandra, elasticsearch, file, hbase, ignite, jdbc (*), kylin, livy, markdown, neo4j, pig, python, shell (*), zengine</td> +</tr> +</tbody></table> + +<p>Dynamic forms are available in all of the interpreters in the table above, +but object interpolation is only available in a small, but growing, list of interpreters +(marked with an asterisk in the table above). +Both these zeppelin-context features are described below.</p> + +<h3>Dynamic Forms</h3> + +<p>Patterns of the form ${ ... } are used to dynamically create additional HTML elements +for requesting user input (that replaces the corresponding pattern in the paragraph text). +Currently only <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/text">text</a>, +<a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/select">select</a> with +<a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/option">options</a>, and +<a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/checkbox">checkbox</a> are supported.</p> + +<p>Dynamic forms are described in detail here: <a href="../usage/dynamic_form/intro.html">Dynamic Form</a>.</p> + +<h3>Object Interpolation</h3> + +<p>Some interpreters can interpolate object values from <code>z</code> into the paragraph text by using the +<code>{variable-name}</code> syntax. The value of any object previously <code>put</code> into <code>z</code> can be +interpolated into a paragraph text by using such a pattern containing the object's name. +The following example shows one use of this facility:</p> + +<h4>In Scala cell:</h4> +<div class="highlight"><pre><code class="language-scala" data-lang="scala"><span></span><span class="n">z</span><span class="o">.</span><span class="n">put</span><span class="o">(</span><span class="s">"minAge"</span><span class="o">,</span> <span class="mi">35</span><span class="o">)</span> +</code></pre></div> +<h4>In later SQL cell:</h4> +<div class="highlight"><pre><code class="language-sql" data-lang="sql"><span></span><span class="o">%</span><span class="k">sql</span> <span class="k">select</span> <span class="o">*</span> <span class="k">from</span> <span class="n">members</span> <span class="k">where</span> <span class="n">age</span> <span class="o">>=</span> <span class="err">{</span><span class="n">minAge</span><span class="err">}</span> +</code></pre></div> +<p>The interpolation of a <code>{var-name}</code> pattern is performed only when <code>z</code> contains an object with the specified name. +But the pattern is left unchanged if the named object does not exist in <code>z</code>. +Further, all <code>{var-name}</code> patterns within the paragraph text must must be translatable for any interpolation to occur -- +translation of only some of the patterns in a paragraph text is never done.</p> + +<p>In some situations, it is necessary to use { and } characters in a paragraph text without invoking the +object interpolation mechanism. For these cases an escaping mechanism is available -- +doubled braces should be used. The following example shows the use of for passing a +regular expression containing just { and } into the paragraph text.</p> +<div class="highlight"><pre><code class="language-sql" data-lang="sql"><span></span><span class="o">%</span><span class="k">sql</span> <span class="k">select</span> <span class="o">*</span> <span class="k">from</span> <span class="n">members</span> <span class="k">where</span> <span class="n">name</span> <span class="n">rlike</span> <span class="s1">'[aeiou]3'</span> +</code></pre></div> +<p>To summarize, patterns of the form <code>{var-name}</code> within the paragraph text will be interpolated only if a predefined +object of the specified name exists. Additionally, all such patterns within the paragraph text should also +be translatable for any interpolation to occur. Patterns of the form <code>are translated into `{any-text}`. +These translations are performed only when all occurrences of `{`, `}`,</code> in the paragraph text conform +to one of the two forms described above. Paragraph text containing <code>{</code> and/or <code>}</code> characters used in any other way +(than <code>{var-name}</code> and `<code>) is used as-is without any changes. +No error is flagged in any case. This behavior is identical to the implementation of a similar feature in +Jupyter's shell invocation using the</code>!` magic command.</p> + +<p>This feature is disabled by default, and must be explicitly turned on for each interpreter independently +by setting the value of an interpreter-specific property to <code>true</code>. +Consult the <em>Configuration</em> section of each interpreter's documentation +to find out if object interpolation is implemented, and the name of the parameter that must be set to <code>true</code> to +enable the feature. The name of the parameter used to enable this feature it is different for each interpreter. +For example, the SparkSQL and Shell interpreters use the parameter names <code>zeppelin.spark.sql.interpolation</code> and +<code>zeppelin.shell.interpolation</code> respectively.</p> + +<p>At present only the SparkSQL, JDBC, and Shell interpreters support object interpolation.</p> + + </div> +</div> + + + <hr> + <footer> + <!-- <p>© 2019 The Apache Software Foundation</p>--> + </footer> + </div> + + + + + <script type="text/javascript"> + (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ + (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), + m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) + })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); + + ga('create', 'UA-45176241-5', 'zeppelin.apache.org'); + ga('require', 'linkid', 'linkid.js'); + ga('send', 'pageview'); + +</script> + + + + 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</div> + </div> + + + + <div class="content"> + +<!--<div class="hero-unit Apache Zeppelin Configuration REST API"> + <h1></h1> +</div> +--> + +<div class="row"> + <div class="col-md-12"> + <!-- +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +--> + +<h1>Apache Zeppelin Configuration REST API</h1> + +<div id="toc"></div> + +<h2>Overview</h2> + +<p>Apache Zeppelin provides several REST APIs for interaction and remote activation of zeppelin functionality. +All REST APIs are available starting with the following endpoint <code>http://[zeppelin-server]:[zeppelin-port]/api</code>. +Note that Apache Zeppelin REST APIs receive or return JSON objects, it is recommended for you to install some JSON viewers such as <a href="https://chrome.google.com/webstore/detail/jsonview/chklaanhfefbnpoihckbnefhakgolnmc">JSONView</a>.</p> + +<p>If you work with Apache Zeppelin and find a need for an additional REST API, please <a href="http://zeppelin.apache.org/community.html">file an issue or send us an email</a>.</p> + +<h2>Configuration REST API list</h2> + +<h3>List all key/value pair of configurations</h3> + +<p><table class="table-configuration"> + <col width="200"> + <tr> + <td>Description</td> + <td>This <code>GET</code> method return all key/value pair of configurations on the server.<br/> + Note: For security reason, some pairs would not be shown.</td> + </tr> + <tr> + <td>URL</td> + <td><code>http://[zeppelin-server]:[zeppelin-port]/api/configurations/all</code></td> + </tr> + <tr> + <td>Success code</td> + <td>200</td> + </tr> + <tr> + <td> Fail code</td> + <td> 500 </td> + </tr> + <tr> + <td> sample JSON response + </td> + <td> + <pre> +{ + "status": "OK", + "message": "", + "body": { + "zeppelin.war.tempdir": "webapps", + "zeppelin.notebook.homescreen.hide": "false", + "zeppelin.interpreter.remoterunner": "bin/interpreter.sh", + "zeppelin.notebook.s3.user": "user", + "zeppelin.server.port": "8089", + "zeppelin.dep.localrepo": "local-repo", + "zeppelin.ssl.truststore.type": "JKS", + "zeppelin.ssl.keystore.path": "keystore", + "zeppelin.notebook.s3.bucket": "zeppelin", + "zeppelin.server.addr": "0.0.0.0", + "zeppelin.ssl.client.auth": "false", + "zeppelin.server.context.path": "/", + "zeppelin.ssl.keystore.type": "JKS", + "zeppelin.ssl.truststore.path": "truststore", + "zeppelin.interpreters": "org.apache.zeppelin.spark.SparkInterpreter,org.apache.zeppelin.spark.PySparkInterpreter,org.apache.zeppelin.spark.SparkRInterpreter,org.apache.zeppelin.spark.SparkSqlInterpreter,org.apache.zeppelin.spark.DepInterpreter,org.apache.zeppelin.markdown.Markdown,org.apache.zeppelin.angular.AngularInterpreter,org.apache.zeppelin.shell.ShellInterpreter,org.apache.zeppelin.flink.FlinkInterpreter,org.apache.zeppelin.lens.LensInterpreter,org.apache.zeppelin.ignite.IgniteInterpreter,org.apache.zeppelin.ignite.IgniteSqlInterpreter,org.apache.zeppelin.cassandra.CassandraInterpreter,org.apache.zeppelin.geode.GeodeOqlInterpreter,org.apache.zeppelin.kylin.KylinInterpreter,org.apache.zeppelin.elasticsearch.ElasticsearchInterpreter,org.apache.zeppelin.scalding.ScaldingInterpreter", + "zeppelin.ssl": "false", + "zeppelin.notebook.autoInterpreterBinding": "true", + "zeppelin.notebook.homescreen": "", + "zeppelin.notebook.storage": "org.apache.zeppelin.notebook.repo.VFSNotebookRepo", + "zeppelin.interpreter.connect.timeout": "30000", + "zeppelin.anonymous.allowed": "true", + "zeppelin.server.allowed.origins":"*", + "zeppelin.encoding": "UTF-8" + } +}</pre></td> + </tr> + </table></p> + +<p><br/></p> + +<h3>List all prefix matched key/value pair of configurations</h3> + +<p><table class="table-configuration"> + <col width="200"> + <tr> + <td>Description</td> + <td>This <code>GET</code> method return all prefix matched key/value pair of configurations on the server.<br/> + Note: For security reason, some pairs would not be shown.</td> + </tr> + <tr> + <td>URL</td> + <td><code>http://[zeppelin-server]:[zeppelin-port]/api/configurations/prefix/[prefix]</code></td> + </tr> + <tr> + <td>Success code</td> + <td>200</td> + </tr> + <tr> + <td> Fail code</td> + <td> 500 </td> + </tr> + <tr> + <td> sample JSON response + </td> + <td><pre> +{ + "status": "OK", + "message": "", + "body": { + "zeppelin.ssl.keystore.type": "JKS", + "zeppelin.ssl.truststore.path": "truststore", + "zeppelin.ssl.truststore.type": "JKS", + "zeppelin.ssl.keystore.path": "keystore", + "zeppelin.ssl": "false", + "zeppelin.ssl.client.auth": "false" + } +}</pre> + </td> + </tr> + </table></p> + + </div> +</div> + + + <hr> + <footer> + <!-- <p>© 2019 The Apache Software Foundation</p>--> + </footer> + </div> + + + + + <script type="text/javascript"> + (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ + (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), + m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) + })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); + + ga('create', 'UA-45176241-5', 'zeppelin.apache.org'); + ga('require', 'linkid', 'linkid.js'); + ga('send', 'pageview'); + +</script> + + + + </body> +</html> + Propchange: zeppelin/site/docs/0.8.2/usage/rest_api/configuration.html ------------------------------------------------------------------------------ svn:executable 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