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<!DOCTYPE document [
<!ENTITY project SYSTEM "project.xml">
]>
<document url="host-manager-howto.html">
&project;
<properties>
<title>Host Manager App -- Text Interface</title>
</properties>
<body>
<section name="Table of Contents">
<toc/>
</section>
<section name="Introduction">
<p>
The <strong>Tomcat Host Manager</strong> application enables you to create,
delete, and otherwise manage virtual hosts within Tomcat. This how-to guide
is best accompanied by the following pieces of documentation:
</p>
<ul>
<li>
<a href="virtual-hosting-howto.html">Virtual Hosting How-To</a> for more
information about virtual hosting.
</li>
<li>
<a href="config/host.html">The Host Container</a> for more information
about the underlying xml configuration of virtual hosts and description
of attributes.
</li>
</ul>
<p>
The <strong>Tomcat Host Manager</strong> application is a part of
Tomcat installation, by default available using the following
context: <code>/host-manager</code>. You can use the host manager in the
following ways:
</p>
<ul>
<li>
Utilizing the graphical user interface, accessible at:
<code>{server}:{port}/host-manager/html</code>.
</li>
<li>
Utilizing a set of minimal HTTP requests suitable for scripting.
You can access this mode at:
<code>{server}:{port}/host-manager/text</code>.
</li>
</ul>
<p>
Both ways enable you to add, remove, start, and stop virtual hosts. Changes
are not persisted to the Tomcat configuraiton files. If you want your
settings to be persistent, you must write them into the <i>server.xml</i>
configuration file manually. For full documentation about the configuration,
see <a href="config/host.html">The Host Container</a>. This document focuses
on the text interface. For further information about the graphical
interface, see
<a href="html-host-manager-howto.html">Host Manager App -- HTML Interface</a>.
</p>
</section>
<section name="Configuring Manager Application Access">
<p><em>The description below uses <code>$CATALINA_HOME</code> to refer the
base Tomcat directory. It is the directory in which you installed
Tomcat, for example <code>C:\tomcat8</code>, or
<code>/usr/share/tomcat8</code>.</em></p>
<p>
The Host Manager application requires a user with one of the following
roles:
</p>
<ul>
<li>
<code>admin-gui</code> - use this role for the graphical web interface.
</li>
<li>
<code>admin-script</code> - use this role for the scripting web interface.
</li>
</ul>
<p>
To enable access to the text interface of the Host Manager application,
either grant your Tomcat user the appropriate role, or create a new one with
the correct role. For example, open
<code>${CATALINA_BASE}/conf/tomcat-users.xml</code> and enter the following:
</p>
<source><![CDATA[<user username="test" password="chang3m3N#w" roles="admin-script"/>]]></source>
<p>
No further settings is needed. When you now access
<code>{server}:{port}/host-manager/text/${COMMAND}</code>,you are able to
log in with the created credentials. For example:
<source>$ curl -u ${USERNAME}:${PASSWORD} http://localhost:8080/host-manager/text/list
OK - Listed hosts
localhost:</source>
</p>
<p>
Note that in case you retreive your users using the
<code>DataSourceRealm</code>, <code>JDBCRealm</code>, or
<code>JNDIRealm</code> mechanism, add the appropriate role in the database
or the directory server respectively.
</p>
</section>
<section name="List of Commands">
<p>The following commands are supported:</p>
<ul>
<li>list</li>
<li>add</li>
<li>remove</li>
<li>start</li>
<li>stop</li>
</ul>
<p>
In the following subsections, the username and password is assumed to be
<b>test:test</b>. For your environment, use credentials created in the
previous sections.
</p>
<subsection name="List command">
<p>
Use the <b>list</b> command to see the available virtual hosts on your
Tomcat instance.
</p>
<p><i>Example command</i>:</p>
<code>curl -u test:test http://localhost:8080/host-manager/text/list</code>
<p><i>Example response</i>:</p>
<source>OK - Listed hosts
localhost:</source>
</subsection>
<subsection name="Add command">
<p>
Use the <b>add</b> command to add a new virtual host. Parameters used
for the <b>add</b> command:
</p>
<ul>
<li>String <b>name</b>: Name of the virtual host. <b>REQUIRED</b></li>
<li>String <b>aliases</b>: Aliases for your virtual host.</li>
<li>String <b>appBase</b>: Base path for the application that will be
served by this virtual host. Provide relative or absolute path.</li>
<li>Boolean <b>manager</b>: If true, the Manager app is added to the
virtual host. You can access it with the <i>/manager</i> context.</li>
<li>Boolean <b>autoDeploy</b>: If true, Tomcat automatically redeploys
applications placed in the appBase directory.</li>
<li>Boolean <b>deployOnStartup</b>: If true, Tomcat automatically deploys
applications placed in the appBase directory on startup.</li>
<li>Boolean <b>deployXML</b>: If true, the <i>/META-INF/context.xml</i>
file is read and used by Tomcat.</li>
<li>Boolean <b>copyXML</b>: If true, Tomcat copies <i>/META-INF/context.xml</i>
file and uses the original copy regardless of updates to the application's
<i>/META-INF/context.xml</i> file. Available only for
<b>Tomcat 8 and newer</b>.</li>
</ul>
<p><i>Example command</i>:</p>
<source><![CDATA[curl -u test:test http://localhost:8080/host-manager/text/add?name=www.awesomeserver.com&aliases=awesomeserver.com&appBase/mnt/appDir&deployOnStartup=true]]></source>
<p><i>Example response</i>:</p>
<source>add: Adding host [www.awesomeserver.com]</source>
</subsection>
<subsection name="Remove command">
<p>
Use the <b>remove</b> command to remove a virtual host. Parameters used
for the <b>remove</b> command:
</p>
<ul>
<li>String <b>name</b>: Name of the virtual host to be removed.
<b>REQUIRED</b></li>
</ul>
<p><i>Example command</i>:</p>
<source><![CDATA[curl -u test:test http://localhost:8080/host-manager/text/remove?name=www.awesomeserver.com]]></source>
<p><i>Example response</i>:</p>
<source>remove: Removing host [www.awesomeserver.com]</source>
</subsection>
<subsection name="Start command">
<p>
Use the <b>start</b> command to start a virtual host. Parameters used
for the <b>start</b> command:
</p>
<ul>
<li>String <b>name</b>: Name of the virtual host to be started.
<b>REQUIRED</b></li>
</ul>
<p><i>Example command</i>:</p>
<source><![CDATA[curl -u test:test http://localhost:8080/host-manager/text/start?name=www.awesomeserver.com]]></source>
<p><i>Example response</i>:</p>
<source>OK - Host www.awesomeserver.com started</source>
</subsection>
<subsection name="Stop command">
<p>
Use the <b>stop</b> command to stop a virtual host. Parameters used
for the <b>stop</b> command:
</p>
<ul>
<li>String <b>name</b>: Name of the virtual host to be stopped.
<b>REQUIRED</b></li>
</ul>
<p><i>Example command</i>:</p>
<source><![CDATA[curl -u test:test http://localhost:8080/host-manager/text/stop?name=www.awesomeserver.com]]></source>
<p><i>Example response</i>:</p>
<source>OK - Host www.awesomeserver.com stopped</source>
</subsection>
</section>
</body>
</document>