bcec02416e
Another round of typos/spelling errors fixing, in particular for config-reference, HA guide and image guide. Change-Id: Ibc3661e132a0ea4010a5a61f71ef5209ae6655b6 Closes-Bug: #1356970
95 lines
5.2 KiB
XML
95 lines
5.2 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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version="5.0"
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xml:id="xapi-install-plugins">
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<?dbhtml stop-chunking?>
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<title>Install the XenAPI plug-ins</title>
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<para>When you use Xen as the hypervisor for OpenStack Compute,
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you can install a Python script (or any executable) on the
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host side, and call that through the XenAPI. These scripts are
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called plug-ins. The XenAPI plug-ins live in the nova code
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repository. These plug-ins have to be copied to the Dom0 for
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the hypervisor, to the appropriate directory, where xapi can
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find them. There are several options for the installation. The
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important thing is to ensure that the version of the plug-ins
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are in line with the nova installation by only installing
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plug-ins from a matching nova repository.</para>
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<section xml:id="manual_install">
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<title>Manually install the plug-in</title>
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<procedure>
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<step>
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<para>Create temporary files/directories:</para>
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<screen><prompt>$</prompt> <userinput>NOVA_ZIPBALL=$(mktemp)</userinput>
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<prompt>$</prompt> <userinput>NOVA_SOURCES=$(mktemp -d)</userinput></screen>
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</step>
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<step>
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<para>Get the source from GitHub. The example assumes
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the master branch is used. Amend the URL to match
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the version being used:</para>
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<screen><prompt>$</prompt> <userinput>wget -qO "$NOVA_ZIPBALL" https://github.com/openstack/nova/archive/master.zip</userinput>
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<prompt>$</prompt> <userinput>unzip "$NOVA_ZIPBALL" -d "$NOVA_SOURCES"</userinput></screen>
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<para>(Alternatively) To use the official Ubuntu
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packages, use the following commands to get the
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nova code base:</para>
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<screen><prompt>$</prompt> <userinput>( cd $NOVA_SOURCES && apt-get source python-nova --download-only )</userinput>
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<prompt>$</prompt> <userinput>( cd $NOVA_SOURCES && for ARCHIVE in *.tar.gz; do tar -xzf $ARCHIVE; done )</userinput></screen>
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</step>
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<step>
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<para>Copy the plug-ins to the hypervisor:</para>
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<screen><prompt>$</prompt> <userinput>PLUGINPATH=$(find $NOVA_SOURCES -path '*/xapi.d/plugins' -type d -print)</userinput>
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<prompt>$</prompt> <userinput>tar -czf - -C "$PLUGINPATH" ./ | ssh root@xenserver tar -xozf - -C /etc/xapi.d/plugins/</userinput></screen>
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</step>
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<step>
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<para>Remove the temporary files/directories:</para>
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<screen><prompt>$</prompt> <userinput>rm "$NOVA_ZIPBALL"</userinput>
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<prompt>$</prompt> <userinput>rm -rf "$NOVA_SOURCES"</userinput> </screen>
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</step>
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</procedure>
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</section>
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<section xml:id="packaged_install">
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<title>Package a XenServer supplemental pack</title>
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<para>Follow these steps to produce a supplemental pack from
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the nova sources, and package it as a XenServer
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supplemental pack.</para>
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<procedure>
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<step>
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<para>Create RPM packages. Given you have the nova
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sources. Use one of the methods in <xref
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linkend="manual_install"/>:</para>
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<screen><prompt>$</prompt> <userinput>cd nova/plugins/xenserver/xenapi/contrib</userinput>
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<prompt>$</prompt> <userinput>./build-rpm.sh</userinput></screen>
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<para>These commands leave an
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<filename>.rpm</filename> file in the
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<filename>rpmbuild/RPMS/noarch/</filename>
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directory.</para>
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</step>
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<step>
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<para>Pack the RPM packages to a Supplemental Pack,
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using the XenServer DDK (the following command
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should be issued on the XenServer DDK virtual
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appliance, after the produced rpm file has been
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copied over):</para>
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<screen><prompt>$</prompt> <userinput>/usr/bin/build-supplemental-pack.sh \</userinput>
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<prompt>></prompt> <userinput>--output=output_directory \</userinput>
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<prompt>></prompt> <userinput>--vendor-code=novaplugin \</userinput>
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<prompt>></prompt> <userinput>--vendor-name=openstack \</userinput>
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<prompt>></prompt> <userinput>--label=novaplugins \</userinput>
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<prompt>></prompt> <userinput>--text="nova plugins" \</userinput>
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<prompt>></prompt> <userinput>--version=0 \</userinput>
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<prompt>></prompt> <userinput>full_path_to_rpmfile</userinput></screen>
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<para>This command produces an
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<filename>.iso</filename> file in the output
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directory specified. Copy that file to the
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hypervisor.</para>
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</step>
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<step>
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<para>Install the Supplemental Pack. Log in to the
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hypervisor, and issue:</para>
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<screen><prompt>#</prompt> <userinput>xe-install-supplemental-pack path_to_isofile</userinput></screen>
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</step>
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</procedure>
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</section>
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</section>
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