openstack-manuals/doc/install-guide/section_dashboard-install.xml
Gustavo Franklin Nobrega a9737d0fe1 Fix the path of memcached config file
On CentOS, the correct location of memcached is
/etc/sysconfig/memcached (without .conf).

Closes-bug: #1265403
Change-Id: Idaac8920c1954d917fe533031fb0ff2416d5b339
2014-01-02 10:33:25 -02:00

191 lines
10 KiB
XML

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section [
<!-- Some useful entities borrowed from HTML -->
<!ENTITY ndash "&#x2013;">
<!ENTITY mdash "&#x2014;">
<!ENTITY hellip "&#x2026;">
]>
<section xml:id="install_dashboard"
xmlns="http://docbook.org/ns/docbook"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
<?dbhtml stop-chunking?>
<title>Install the dashboard</title>
<para>Before you can install and configure the dashboard, meet the
requirements in <xref linkend="dashboard-system-requirements"
/>.</para>
<note>
<para>When you install only Object Storage and the Identity
Service, even if you install the dashboard, it does not
pull up projects and is unusable.</para>
</note>
<para>For more information about how to deploy the dashboard, see
<link
xlink:href="http://docs.openstack.org/developer/horizon/topics/deployment.html"
>deployment topics in the developer documentation</link>.</para>
<procedure>
<step>
<para>Install the dashboard on the node that can contact
the Identity Service as root:</para>
<screen os="ubuntu;debian"><prompt>#</prompt> <userinput>apt-get install memcached libapache2-mod-wsgi openstack-dashboard</userinput></screen>
<screen os="rhel;centos;fedora"><prompt>#</prompt> <userinput>yum install memcached python-memcached mod_wsgi openstack-dashboard</userinput></screen>
<screen os="opensuse;sles"><prompt>#</prompt> <userinput>zypper install memcached python-python-memcached apache2-mod_wsgi openstack-dashboard</userinput></screen>
<note os="ubuntu">
<title>Note for Ubuntu users</title>
<para>Remove the
<literal>openstack-dashboard-ubuntu-theme</literal>
package. This theme prevents translations, several
menus as well as the network map from rendering
correctly:
<screen><prompt>#</prompt> <userinput>apt-get remove --purge openstack-dashboard-ubuntu-theme</userinput></screen>
</para>
</note>
<note os="debian">
<title>Note for Debian users</title>
<para>To install the Apache package:</para>
<screen><prompt>#</prompt> <userinput>apt-get install openstack-dashboard-apache</userinput></screen>
<para>This command installs and configures Apache
correctly, provided that the user asks for it
during the <package>debconf</package> prompts. The
default SSL certificate is self-signed, and it is
probably wise to have it signed by a root
Certificate Authority (CA).</para>
</note>
</step>
<step>
<para>Modify the value of
<literal>CACHES['default']['LOCATION']</literal>
in <filename os="ubuntu;debian"
>/etc/openstack-dashboard/local_settings.py</filename><filename
os="centos;fedora;rhel"
>/etc/openstack-dashboard/local_settings</filename><filename
os="opensuse;sles"
>/usr/share/openstack-dashboard/openstack_dashboard/local/local_settings.py</filename>
to match the ones set in <filename os="ubuntu;debian"
>/etc/memcached.conf</filename><filename
os="centos;fedora;rhel;opensuse;sles"
>/etc/sysconfig/memcached</filename>.</para>
<para>Open <filename os="ubuntu;debian"
>/etc/openstack-dashboard/local_settings.py</filename>
<filename os="centos;fedora;rhel"
>/etc/openstack-dashboard/local_settings</filename>
and look for this line:</para>
<programlisting language="python" linenumbering="unnumbered"><?db-font-size 75%?>CACHES = {
'default': {
'BACKEND' : 'django.core.cache.backends.memcached.MemcachedCache',
'LOCATION' : '127.0.0.1:11211'
}
}</programlisting>
<note xlink:href="#installing-openstack-dashboard"
xlink:title="Notes">
<title>Notes</title>
<itemizedlist>
<listitem>
<para>The address and port must match the ones
set in <filename os="ubuntu;debian"
>/etc/memcached.conf</filename><filename
os="centos;fedora;rhel;opensuse;sles"
>/etc/sysconfig/memcached</filename>.</para>
<para>If you change the memcached settings,
you must restart the Apache web server for
the changes to take effect.</para>
</listitem>
<listitem>
<para>You can use options other than memcached
option for session storage. Set the
session back-end through the
<parameter>SESSION_ENGINE</parameter>
option.</para>
</listitem>
<listitem>
<para>To change the timezone, use the
dashboard or edit the <filename
os="centos;fedora;rhel"
>/etc/openstack-dashboard/local_settings</filename><filename
os="ubuntu;debian"
>/etc/openstack-dashboard/local_settings.py</filename><filename
os="opensuse;sles"
>/usr/share/openstack-dashboard/openstack_dashboard/local/local_settings.py</filename>
file.</para>
<para>Change the following parameter:
<code>TIME_ZONE = "UTC"</code></para>
</listitem>
</itemizedlist>
</note>
</step>
<step>
<para>Update the <literal>ALLOWED_HOSTS</literal> in
<filename>local_settings.py</filename> to include
the addresses you wish to access the dashboard
from.</para>
<para>Edit <filename os="centos;fedora;rhel"
>/etc/openstack-dashboard/local_settings</filename><filename
os="ubuntu;debian"
>/etc/openstack-dashboard/local_settings.py</filename><filename
os="opensuse;sles"
>/usr/share/openstack-dashboard/openstack_dashboard/local/local_settings.py</filename>:</para>
<programlisting language="python" linenumbering="unnumbered"><?db-font-size 75%?>ALLOWED_HOSTS = ['localhost', 'my-desktop']
</programlisting>
</step>
<step>
<para>This guide assumes that you are running the
Dashboard on the controller node. You can easily run
the dashboard on a separate server, by changing the
appropriate settings in
<filename>local_settings.py</filename>.</para>
<para>Edit <filename os="centos;fedora;rhel"
>/etc/openstack-dashboard/local_settings</filename><filename
os="ubuntu;debian"
>/etc/openstack-dashboard/local_settings.py</filename><filename
os="opensuse;sles"
>/usr/share/openstack-dashboard/openstack_dashboard/local/local_settings.py</filename>
and change <literal>OPENSTACK_HOST</literal> to the
hostname of your Identity Service:</para>
<programlisting language="python" linenumbering="unnumbered"><?db-font-size 75%?>OPENSTACK_HOST = "controller"
</programlisting>
</step>
<step os="opensuse;sles">
<para>Setup Apache configuration:
<screen><prompt>#</prompt> <userinput>cp /etc/apache2/conf.d/openstack-dashboard.conf.sample \
/etc/apache2/conf.d/openstack-dashboard.conf</userinput>
<prompt>#</prompt> <userinput>a2enmod rewrite;a2enmod ssl;a2enmod wsgi</userinput></screen>
</para>
</step>
<step os="opensuse;sles">
<para>By default, the
<systemitem>openstack-dashboard</systemitem>
package enables a database as session store. Before
you continue, either change the session store set up
as described in <xref linkend="dashboard-sessions"/>
or finish the setup of the database session store as
explained in <xref
linkend="dashboard-session-database"/>.</para>
</step>
<step>
<para>Start the Apache web server and memcached:</para>
<screen os="opensuse;sles"><prompt>#</prompt> <userinput>service apache2 start</userinput>
<prompt>#</prompt> <userinput>service memcached start</userinput>
<prompt>#</prompt> <userinput>chkconfig apache2 on</userinput>
<prompt>#</prompt> <userinput>chkconfig memcached on</userinput></screen>
<screen os="fedora;centos;rhel"><prompt>#</prompt> <userinput>service httpd start</userinput>
<prompt>#</prompt> <userinput>service memcached start</userinput>
<prompt>#</prompt> <userinput>chkconfig httpd on</userinput>
<prompt>#</prompt> <userinput>chkconfig memcached on</userinput></screen>
<screen os="ubuntu;debian"><prompt>#</prompt> <userinput>service apache2 restart</userinput>
<prompt>#</prompt> <userinput>service memcached restart</userinput></screen>
</step>
<step>
<para>You can now access the dashboard at <uri os="ubuntu"
>http://controller/horizon</uri>
<uri os="debian">https://controller/</uri>
<uri os="centos;fedora;rhel"
>http://controller/dashboard</uri>
<uri os="opensuse;sles"
>http://controller</uri>.</para>
<para>Login with credentials for any user that you created
with the OpenStack Identity Service.</para>
</step>
</procedure>
</section>