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| <h5>General</h5> |
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| <a href="../hadoop-mapreduce-client/hadoop-mapreduce-client-core/SharedCacheSupport.html">Support for YARN Shared Cache</a> |
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| <h5>MapReduce REST APIs</h5> |
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| <h5>YARN</h5> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/FairScheduler.html">Fair Scheduler</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/NodeAttributes.html">Node Attributes</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/WebApplicationProxy.html">Web Application Proxy</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/TimelineServer.html">Timeline Server</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html">Timeline Service V.2</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/WritingYarnApplications.html">Writing YARN Applications</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/DockerContainers.html">Running Applications in Docker Containers</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/RuncContainers.html">Running Applications in runC Containers</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/NodeManagerCgroups.html">Using CGroups</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/SecureContainer.html">Secure Containers</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/ReservationSystem.html">Reservation System</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/GracefulDecommission.html">Graceful Decommission</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/OpportunisticContainers.html">Opportunistic Containers</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/Federation.html">YARN Federation</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/SharedCache.html">Shared Cache</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/UsingGpus.html">Using GPU</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/UsingFPGA.html">Using FPGA</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/PlacementConstraints.html">Placement Constraints</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/YarnUI2.html">YARN UI2</a> |
| </li> |
| </ul> |
| <h5>YARN REST APIs</h5> |
| <ul> |
| <li class="none"> |
| <a href="../hadoop-yarn/hadoop-yarn-site/WebServicesIntro.html">Introduction</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html">Resource Manager</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/NodeManagerRest.html">Node Manager</a> |
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| <li class="none"> |
| <a href="../hadoop-yarn/hadoop-yarn-site/TimelineServer.html#Timeline_Server_REST_API_v1">Timeline Server</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/TimelineServiceV2.html#Timeline_Service_v.2_REST_API">Timeline Service V.2</a> |
| </li> |
| </ul> |
| <h5>YARN Service</h5> |
| <ul> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/yarn-service/Overview.html">Overview</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/yarn-service/QuickStart.html">QuickStart</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/yarn-service/Concepts.html">Concepts</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/yarn-service/YarnServiceAPI.html">Yarn Service API</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/yarn-service/ServiceDiscovery.html">Service Discovery</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-site/yarn-service/SystemServices.html">System Services</a> |
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| </ul> |
| <h5>Hadoop Compatible File Systems</h5> |
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| <a href="../hadoop-aliyun/tools/hadoop-aliyun/index.html">Aliyun OSS</a> |
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| <a href="../hadoop-aws/tools/hadoop-aws/index.html">Amazon S3</a> |
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| <a href="../hadoop-azure/index.html">Azure Blob Storage</a> |
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| <a href="../hadoop-azure-datalake/index.html">Azure Data Lake Storage</a> |
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| <a href="../hadoop-openstack/index.html">OpenStack Swift</a> |
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| <a href="../hadoop-cos/cloud-storage/index.html">Tencent COS</a> |
| </li> |
| </ul> |
| <h5>Auth</h5> |
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| <a href="../hadoop-auth/index.html">Overview</a> |
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| <a href="../hadoop-auth/Examples.html">Examples</a> |
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| <a href="../hadoop-auth/BuildingIt.html">Building</a> |
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| <h5>Tools</h5> |
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| <a href="../hadoop-archive-logs/HadoopArchiveLogs.html">Hadoop Archive Logs</a> |
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| <a href="../hadoop-gridmix/GridMix.html">GridMix</a> |
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| <a href="../hadoop-rumen/Rumen.html">Rumen</a> |
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| <a href="../hadoop-resourceestimator/ResourceEstimator.html">Resource Estimator Service</a> |
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| <a href="../hadoop-sls/SchedulerLoadSimulator.html">Scheduler Load Simulator</a> |
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| <a href="../hadoop-project-dist/hadoop-common/Benchmarking.html">Hadoop Benchmarking</a> |
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| <a href="../hadoop-dynamometer/Dynamometer.html">Dynamometer</a> |
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| <h5>Reference</h5> |
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| <a href="../api/index.html">Java API docs</a> |
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| <a href="../hadoop-project-dist/hadoop-common/Metrics.html">Metrics</a> |
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| <h5>Configuration</h5> |
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| <a href="../hadoop-project-dist/hadoop-common/core-default.xml">core-default.xml</a> |
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| <a href="../hadoop-project-dist/hadoop-hdfs/hdfs-default.xml">hdfs-default.xml</a> |
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| <a href="../hadoop-project-dist/hadoop-hdfs-rbf/hdfs-rbf-default.xml">hdfs-rbf-default.xml</a> |
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| <a href="../hadoop-mapreduce-client/hadoop-mapreduce-client-core/mapred-default.xml">mapred-default.xml</a> |
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| <a href="../hadoop-yarn/hadoop-yarn-common/yarn-default.xml">yarn-default.xml</a> |
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| <a href="../hadoop-kms/kms-default.html">kms-default.xml</a> |
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| <a href="../hadoop-hdfs-httpfs/httpfs-default.html">httpfs-default.xml</a> |
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| <h1>Hadoop Auth, Java HTTP SPNEGO - Examples</h1> |
| <div class="section"> |
| <h2><a name="Accessing_a_Hadoop_Auth_protected_URL_Using_a_browser"></a>Accessing a Hadoop Auth protected URL Using a browser</h2> |
| <p><b>IMPORTANT:</b> The browser must support HTTP Kerberos SPNEGO. For example, Firefox or Internet Explorer.</p> |
| <p>For Firefox access the low level configuration page by loading the <tt>about:config</tt> page. Then go to the <tt>network.negotiate-auth.trusted-uris</tt> preference and add the hostname or the domain of the web server that is HTTP Kerberos SPNEGO protected (if using multiple domains and hostname use comma to separate them).</p></div> |
| <div class="section"> |
| <h2><a name="Accessing_a_Hadoop_Auth_protected_URL_Using_curl"></a>Accessing a Hadoop Auth protected URL Using <tt>curl</tt></h2> |
| <p><b>IMPORTANT:</b> The <tt>curl</tt> version must support GSS, run <tt>curl -V</tt>.</p> |
| |
| <div> |
| <div> |
| <pre class="source">$ curl -V |
| curl 7.19.7 (universal-apple-darwin10.0) libcurl/7.19.7 OpenSSL/0.9.8l zlib/1.2.3 |
| Protocols: tftp ftp telnet dict ldap http file https ftps |
| Features: GSS-Negotiate IPv6 Largefile NTLM SSL libz |
| </pre></div></div> |
| |
| <p>Login to the KDC using <b>kinit</b> and then use <tt>curl</tt> to fetch protected URL:</p> |
| |
| <div> |
| <div> |
| <pre class="source">$ kinit |
| Please enter the password for tucu@LOCALHOST: |
| $ curl --negotiate -u : -b ~/cookiejar.txt -c ~/cookiejar.txt http://$(hostname -f):8080/hadoop-auth-examples/kerberos/who |
| Enter host password for user 'tucu': |
| |
| Hello Hadoop Auth Examples! |
| </pre></div></div> |
| |
| <ul> |
| |
| <li> |
| |
| <p>The <tt>--negotiate</tt> option enables SPNEGO in <tt>curl</tt>.</p> |
| </li> |
| <li> |
| |
| <p>The <tt>-u :</tt> option is required but the user ignored (the principal that has been kinit-ed is used).</p> |
| </li> |
| <li> |
| |
| <p>The <tt>-b</tt> and <tt>-c</tt> are use to store and send HTTP Cookies.</p> |
| </li> |
| </ul></div> |
| <div class="section"> |
| <h2><a name="Using_the_Java_Client"></a>Using the Java Client</h2> |
| <p>Use the <tt>AuthenticatedURL</tt> class to obtain an authenticated HTTP connection:</p> |
| |
| <div> |
| <div> |
| <pre class="source">... |
| URL url = new URL("http://localhost:8080/hadoop-auth/kerberos/who"); |
| AuthenticatedURL.Token token = new AuthenticatedURL.Token(); |
| ... |
| HttpURLConnection conn = new AuthenticatedURL().openConnection(url, token); |
| ... |
| conn = new AuthenticatedURL().openConnection(url, token); |
| ... |
| </pre></div></div> |
| </div> |
| <div class="section"> |
| <h2><a name="Building_and_Running_the_Examples"></a>Building and Running the Examples</h2> |
| <p>Download Hadoop-Auth’s source code, the examples are in the <tt>src/main/examples</tt> directory.</p> |
| <div class="section"> |
| <h3><a name="Server_Example:"></a>Server Example:</h3> |
| <p>Edit the <tt>hadoop-auth-examples/src/main/webapp/WEB-INF/web.xml</tt> and set the right configuration init parameters for the <tt>AuthenticationFilter</tt> definition configured for Kerberos (the right Kerberos principal and keytab file must be specified). Refer to the <a href="./Configuration.html">Configuration document</a> for details.</p> |
| <p>Create the web application WAR file by running the <tt>mvn package</tt> command.</p> |
| <p>Deploy the WAR file in a servlet container. For example, if using Tomcat, copy the WAR file to Tomcat’s <tt>webapps/</tt> directory.</p> |
| <p>Start the servlet container.</p></div> |
| <div class="section"> |
| <h3><a name="Accessing_the_server_using_curl"></a>Accessing the server using <tt>curl</tt></h3> |
| <p>Try accessing protected resources using <tt>curl</tt>. The protected resources are:</p> |
| |
| <div> |
| <div> |
| <pre class="source">$ kinit |
| Please enter the password for tucu@LOCALHOST: |
| |
| $ curl http://localhost:8080/hadoop-auth-examples/anonymous/who |
| |
| $ curl http://localhost:8080/hadoop-auth-examples/simple/who?user.name=foo |
| |
| $ curl --negotiate -u : -b ~/cookiejar.txt -c ~/cookiejar.txt http://$(hostname -f):8080/hadoop-auth-examples/kerberos/who |
| </pre></div></div> |
| </div> |
| <div class="section"> |
| <h3><a name="Accessing_the_server_using_the_Java_client_example"></a>Accessing the server using the Java client example</h3> |
| |
| <div> |
| <div> |
| <pre class="source">$ kinit |
| Please enter the password for tucu@LOCALHOST: |
| |
| $ cd examples |
| |
| $ mvn exec:java -Durl=http://localhost:8080/hadoop-auth-examples/kerberos/who |
| |
| .... |
| |
| Token value: "u=tucu,p=tucu@LOCALHOST,t=kerberos,e=1295305313146,s=sVZ1mpSnC5TKhZQE3QLN5p2DWBo=" |
| Status code: 200 OK |
| |
| You are: user[tucu] principal[tucu@LOCALHOST] |
| |
| .... |
| </pre></div></div></div></div> |
| </div> |
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