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89 lines
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Migrate the domain object from its current host to the destination host defined by a connection</title>
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</head>
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<body><div class="manualnavbar" style="text-align: center;">
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<div class="prev" style="text-align: left; float: left;"><a href="function.libvirt-domain-migrate-to-uri.html">libvirt_domain_migrate_to_uri</a></div>
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<div class="up"><a href="ref.libvirt.html">Libvirt Functions</a></div>
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<div class="home"><a href="index.html">PHP Manual</a></div>
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</div><hr /><div id="function.libvirt-domain-migrate" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">libvirt_domain_migrate</h1>
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<p class="verinfo">(php-libvirt 0.4)</p><p class="refpurpose"><span class="refname">libvirt_domain_migrate</span> — <span class="dc-title">Migrate the domain object from its current host to the destination host defined by a connection</span></p>
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</div>
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<a name="function.libvirt-domain-migrate.description"></a><div class="refsect1 description">
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<h3 class="title">Description</h3>
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<div class="methodsynopsis dc-description">
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<span class="type">resource</span> <span class="methodname"><b>libvirt_domain_migrate</b></span>
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( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$domain</tt></span>
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, <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$dconn</tt></span>
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, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$flags</tt></span>
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, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$dname</tt></span>
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, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$uri</tt></span>
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, <span class="methodparam"><span class="type">integer</span> <tt class="parameter">$bandwith</tt></span>
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)</div>
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<p class="para rdfs-comment">
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Performs migration of the domain from one host to another. For description of parameters and flags see <a href="http://www.libvirt.org/html/libvirt-libvirt.html#virDomainMigrate" class="link external">» original documentation</a>.
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</p>
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<p class="para">
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Please note that the function returns after the migration is complete. It may take a lot of time to migrate a host. Be sure to configure PHP maximum execution time.
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</p>
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</div>
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<a name="function.libvirt-domain-migrate.returnvalues"></a><div class="refsect1 returnvalues">
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<h3 class="title">Return Values</h3>
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<p class="para">
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Resource to new domain on success and <b><tt class="constant">FALSE</tt></b> on failure. Please note that the resource of the domain is in the context of dconn.
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</p>
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</div>
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<a name="function.libvirt-domain-migrate.examples"></a><div class="refsect1 examples">
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<h3 class="title">Examples</h3>
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<p class="para">
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</p><div class="example">
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<p><b>Example #1 <b>libvirt_domain_migrate()</b> example</b></p>
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<div class="example-contents para"><p>
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Live migrate domain (f13_exper) to another node
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</p></div>
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<div class="example-contents programlisting">
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<div class="phpcode"><code><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /> </span><span style="color: #007700">echo (</span><span style="color: #DD0000">"Looking up f13_exper domain\n"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$dom</span><span style="color: #007700">=@</span><span style="color: #0000BB">libvirt_domain_lookup_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,</span><span style="color: #DD0000">"f13_exper"</span><span style="color: #007700">);<br /> if (</span><span style="color: #0000BB">$dom</span><span style="color: #007700">==</span><span style="color: #0000BB">false</span><span style="color: #007700">)<br /> {<br /> echo (</span><span style="color: #DD0000">"Domain not found\n"</span><span style="color: #007700">);<br /> echo (</span><span style="color: #DD0000">"Libvirt last error: "</span><span style="color: #007700">.</span><span style="color: #0000BB">libvirt_get_last_error</span><span style="color: #007700">().</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">);<br /> exit;<br /> }<br /> echo (</span><span style="color: #DD0000">"Domain found\n"</span><span style="color: #007700">);<br /><br /> echo (</span><span style="color: #DD0000">"Connecting to libvirt (URI:$duri)\n"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$dconn</span><span style="color: #007700">=</span><span style="color: #0000BB">libvirt_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$duri</span><span style="color: #007700">,</span><span style="color: #0000BB">false</span><span style="color: #007700">,</span><span style="color: #0000BB">$credentials</span><span style="color: #007700">);<br /> if (</span><span style="color: #0000BB">$dconn</span><span style="color: #007700">==</span><span style="color: #0000BB">false</span><span style="color: #007700">)<br /> {<br /> echo (</span><span style="color: #DD0000">"Libvirt last error: "</span><span style="color: #007700">.</span><span style="color: #0000BB">libvirt_get_last_error</span><span style="color: #007700">().</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">);<br /> exit;<br /> }<br /> echo (</span><span style="color: #DD0000">"Connected\n"</span><span style="color: #007700">);<br /><br /> echo (</span><span style="color: #DD0000">"Migrating domain to $duri\n"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$ddom</span><span style="color: #007700">=</span><span style="color: #0000BB">libvirt_domain_migrate</span><span style="color: #007700">(</span><span style="color: #0000BB">$dom</span><span style="color: #007700">,</span><span style="color: #0000BB">$dconn</span><span style="color: #007700">,</span><span style="color: #0000BB">VIR_MIGRATE_LIVE </span><span style="color: #007700">| </span><span style="color: #0000BB">VIR_MIGRATE_PEER2PEER </span><span style="color: #007700">| </span><span style="color: #0000BB">VIR_MIGRATE_PERSIST_DEST </span><span style="color: #007700">| </span><span style="color: #0000BB">VIR_MIGRATE_UNDEFINE_SOURCE</span><span style="color: #007700">);<br /> if (</span><span style="color: #0000BB">$ddom</span><span style="color: #007700">==</span><span style="color: #0000BB">false</span><span style="color: #007700">)<br /> {<br /> echo (</span><span style="color: #DD0000">"Failure!"</span><span style="color: #007700">);<br /> echo (</span><span style="color: #DD0000">"Libvirt last error: "</span><span style="color: #007700">.</span><span style="color: #0000BB">libvirt_get_last_error</span><span style="color: #007700">().</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">);<br /> }<br /> else<br /> {<br /> echo (</span><span style="color: #DD0000">"Success\n"</span><span style="color: #007700">);<br /> echo (</span><span style="color: #DD0000">"DDom is resource ($ddom) to migrated domain in context of destination connection\n"</span><span style="color: #007700">);<br /> }<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</code></div>
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</div>
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</div><p>
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</p>
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</div>
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<a name="function.libvirt-domain-migrate.seealso"></a><div class="refsect1 seealso">
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<h3 class="title">See Also</h3>
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<p class="para">
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</p><ul class="simplelist">
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<li class="member"><a href="function.libvirt-domain-migrate-to-uri.html" class="function" rel="rdfs-seeAlso">libvirt_domain_migrate_to_uri()</a> - Migrate the domain object from its current host to the destination host defined by URI</li>
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<li class="member"><a href="function.libvirt-domain-get-job-info.html" class="function" rel="rdfs-seeAlso">libvirt_domain_get_job_info()</a> - Extract information about progress of a background job on a domain. Will return an error if the domain is not active.</li>
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</ul><p>
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</p>
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</div>
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