openstack/openstack-manuals
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openstack-manuals/doc/install-guide/section_glance-install.xml
Christian Berendt 07102d44fb [install-guide] [yum] install openstack-glance-{api,registry} 
On RedHat-based distributions it is now necessary to install
openstack-glance-api and openstack-glance-registry instead of
openstack-glance.

Partially implements bp installguide-kilo.

Change-Id: I2695b30e02d168c9325e8c1d3533deea247b1915
2015-04-16 23:01:37 +02:00

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<?xml version="1.0" encoding="UTF-8"?>
<section 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"
xml:id="glance-install">
<title>Install and configure</title>
<para>This section describes how to install and configure the Image service,
code-named glance, on the controller node. For simplicity, this
configuration stores images on the local file system.</para>
<note>
<para>This section assumes proper installation, configuration, and
operation of the Identity service as described in
<xref linkend="keystone-install"/> and
<xref linkend="keystone-verify"/>.</para>
</note>
<procedure os="ubuntu;rhel;centos;fedora;sles;opensuse">
<title>To configure prerequisites</title>
<para>Before you install and configure the Image service, you must
create a database, service credentials, and API endpoint.</para>
<step>
<para>To create the database, complete these steps:</para>
<substeps>
<step>
<para>Use the database access client to connect to the database
server as the <literal>root</literal> user:</para>
<screen><prompt>$</prompt> <userinput>mysql -u root -p</userinput></screen>
</step>
<step>
<para>Create the <literal>glance</literal> database:</para>
<screen><userinput>CREATE DATABASE glance;</userinput></screen>
</step>
<step>
<para>Grant proper access to the <literal>glance</literal>
database:</para>
<screen><userinput>GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' \
IDENTIFIED BY '<replaceable>GLANCE_DBPASS</replaceable>';</userinput>
<userinput>GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' \
IDENTIFIED BY '<replaceable>GLANCE_DBPASS</replaceable>';</userinput></screen>
<para>Replace <replaceable>GLANCE_DBPASS</replaceable> with a suitable
password.</para>
</step>
<step>
<para>Exit the database access client.</para>
</step>
</substeps>
</step>
<step>
<para>Source the <literal>admin</literal> credentials to gain access to
admin-only CLI commands:</para>
<screen><prompt>$</prompt> <userinput>source admin-openrc.sh</userinput></screen>
</step>
<step>
<para>To create the service credentials, complete these steps:</para>
<substeps>
<step>
<para>Create the <literal>glance</literal> user:</para>
<screen><prompt>$</prompt> <userinput>openstack user create --password-prompt glance</userinput>
<computeroutput>User Password:
Repeat User Password:
+----------+----------------------------------+
| Field | Value |
+----------+----------------------------------+
| email | None |
| enabled | True |
| id | 1dc206e084334db2bee88363745da014 |
| name | glance |
| username | glance |
+----------+----------------------------------+</computeroutput></screen>
</step>
<step>
<para>Add the <literal>admin</literal> role to the
<literal>glance</literal> user and <literal>service</literal>
project:</para>
<screen><prompt>$</prompt> <userinput>openstack role add --project service --user glance admin</userinput>
<computeroutput>+-------+----------------------------------+
| Field | Value |
+-------+----------------------------------+
| id | 1169d778631b4fd1aefd9d35314e1c56 |
| name | admin |
+-------+----------------------------------+</computeroutput></screen>
</step>
<step>
<para>Create the <literal>glance</literal> service entity:</para>
<screen><prompt>$</prompt> <userinput>openstack service create --type image \
--description "OpenStack Image service" glance</userinput>
<computeroutput>+-------------+----------------------------------+
| Field | Value |
+-------------+----------------------------------+
| description | OpenStack Image service |
| enabled | True |
| id | 178124d6081c441b80d79972614149c6 |
| name | glance |
| type | image |
+-------------+----------------------------------+</computeroutput></screen>
</step>
</substeps>
</step>
<step>
<para>Create the Image service API endpoint:</para>
<screen><prompt>$</prompt> <userinput>openstack endpoint create \
--publicurl http://<replaceable>controller</replaceable>:9292 \
--internalurl http://<replaceable>controller</replaceable>:9292 \
--adminurl http://<replaceable>controller</replaceable>:9292 \
--region regionOne \
image</userinput>
<computeroutput>+--------------+----------------------------------+
| Field | Value |
+--------------+----------------------------------+
| adminurl | http://controller:9292 |
| id | 805b1dbc90ab47479111102bc6423313 |
| internalurl | http://controller:9292 |
| publicurl | http://controller:9292 |
| region | regionOne |
| service_id | 178124d6081c441b80d79972614149c6 |
| service_name | glance |
| service_type | image |
+--------------+----------------------------------+</computeroutput></screen>
</step>
</procedure>
<procedure os="ubuntu;rhel;centos;fedora;sles;opensuse">
<title>To install and configure the Image service components</title>
<note>
<para>Default configuration files vary by distribution. You might need
to add these sections and options rather than modifying existing
sections and options. Also, an ellipsis (...) in the configuration
snippets indicates potential default configuration options that you
should retain.</para>
</note>
<step>
<para>Install the packages:</para>
<screen os="ubuntu"><prompt>#</prompt> <userinput>apt-get install glance python-glanceclient</userinput></screen>
<screen os="rhel;centos;fedora"><prompt>#</prompt> <userinput>yum install openstack-glance-api openstack-glance-registry python-glanceclient</userinput></screen>
<screen os="opensuse;sles"><prompt>#</prompt> <userinput>zypper install openstack-glance python-glanceclient</userinput></screen>
</step>
<step>
<para>Edit the <filename>/etc/glance/glance-api.conf</filename>
file and complete the following actions:</para>
<substeps>
<step>
<para>In the <literal>[database]</literal> section, configure
database access:</para>
<programlisting language="ini">[database]
...
connection = mysql://glance:<replaceable>GLANCE_DBPASS</replaceable>@<replaceable>controller</replaceable>/glance</programlisting>
<para>Replace <replaceable>GLANCE_DBPASS</replaceable> with the
password you chose for the Image service database.</para>
</step>
<step>
<para>In the <literal>[keystone_authtoken]</literal> and
<literal>[paste_deploy]</literal> sections, configure Identity
service access:</para>
<programlisting language="ini">[keystone_authtoken]
...
auth_uri = http://<replaceable>controller</replaceable>:5000
auth_url = http://<replaceable>controller</replaceable>:35357
auth_plugin = password
project_domain_id = default
user_domain_id = default
project_name = service
username = glance
password = <replaceable>GLANCE_PASS</replaceable>
[paste_deploy]
...
flavor = keystone</programlisting>
<para>Replace <replaceable>GLANCE_PASS</replaceable> with the
password you chose for the <literal>glance</literal> user in the
Identity service.</para>
<note>
<para>Comment out or remove any other options in the
<literal>[keystone_authtoken]</literal> section.</para>
</note>
</step>
<step>
<para>In the <literal>[glance_store]</literal> section, configure
the local file system store and location of image files:</para>
<programlisting language="ini">[glance_store]
...
default_store = file
filesystem_store_datadir = /var/lib/glance/images/</programlisting>
</step>
<step>
<para>In the <literal>[DEFAULT]</literal> section, configure
the <literal>noop</literal> notification driver to disable
notifications because they only pertain to the optional
Telemetry service:</para>
<programlisting language="ini">[DEFAULT]
...
notification_driver = noop</programlisting>
<para>The Telemetry chapter provides an Image service configuration
that enables notifications.</para>
</step>
<step>
<para>(Optional) To assist with troubleshooting,
enable verbose logging in the <literal>[DEFAULT]</literal>
section:</para>
<programlisting language="ini">[DEFAULT]
...
verbose = True</programlisting>
</step>
</substeps>
</step>
<step>
<para>Edit the <filename>/etc/glance/glance-registry.conf</filename>
file and complete the following actions:</para>
<substeps>
<step>
<para>In the <literal>[database]</literal> section, configure
database access:</para>
<programlisting language="ini">[database]
...
connection = mysql://glance:<replaceable>GLANCE_DBPASS</replaceable>@<replaceable>controller</replaceable>/glance</programlisting>
<para>Replace <replaceable>GLANCE_DBPASS</replaceable> with the
password you chose for the Image service database.</para>
</step>
<step>
<para>In the <literal>[keystone_authtoken]</literal> and
<literal>[paste_deploy]</literal> sections, configure Identity
service access:</para>
<programlisting language="ini">[keystone_authtoken]
...
auth_uri = http://<replaceable>controller</replaceable>:5000
auth_url = http://<replaceable>controller</replaceable>:35357
auth_plugin = password
project_domain_id = default
user_domain_id = default
project_name = service
username = glance
password = <replaceable>GLANCE_PASS</replaceable>
[paste_deploy]
...
flavor = keystone</programlisting>
<para>Replace <replaceable>GLANCE_PASS</replaceable> with the
password you chose for the <literal>glance</literal> user in the
Identity service.</para>
<note>
<para>Comment out or remove any other options in the
<literal>[keystone_authtoken]</literal> section.</para>
</note>
</step>
<step>
<para>In the <literal>[DEFAULT]</literal> section, configure
the <literal>noop</literal> notification driver to disable
notifications because they only pertain to the optional
Telemetry service:</para>
<programlisting language="ini">[DEFAULT]
...
notification_driver = noop</programlisting>
<para>The Telemetry chapter provides an Image service configuration
that enables notifications.</para>
</step>
<step>
<para>(Optional) To assist with troubleshooting,
enable verbose logging in the <literal>[DEFAULT]</literal>
section:</para>
<programlisting language="ini">[DEFAULT]
...
verbose = True</programlisting>
</step>
</substeps>
</step>
<step os="rhel;centos;fedora;ubuntu">
<para>Populate the Image service database:</para>
<screen><prompt>#</prompt> <userinput>su -s /bin/sh -c "glance-manage db_sync" glance</userinput></screen>
</step>
</procedure>
<procedure os="debian">
<title>To install and configure the Image service components</title>
<step>
<para>Install the packages:</para>
<screen><prompt>#</prompt> <userinput>apt-get install glance python-glanceclient</userinput></screen>
</step>
<step>
<para>Respond to prompts for
<link linkend="debconf-dbconfig-common">database management</link>,
<link linkend="debconf-keystone_authtoken">Identity service
credentials</link>,
<link linkend="debconf-api-endpoints">service endpoint
registration</link>, and
<link linkend="debconf-rabbitmq">message broker
credentials</link>.</para>
</step>
<step>
<para>Select the <literal>keystone</literal> pipeline to configure the
Image service to use the Identity service:</para>
<mediaobject>
<imageobject>
<imagedata scale="50"
fileref="figures/debconf-screenshots/glance-common_pipeline_flavor.png"
/>
</imageobject>
</mediaobject>
</step>
</procedure>
<procedure>
<title>To finalize installation</title>
<step os="ubuntu;debian">
<para>Restart the Image service services:</para>
<screen><prompt>#</prompt> <userinput>service glance-registry restart</userinput>
<prompt>#</prompt> <userinput>service glance-api restart</userinput></screen>
</step>
<step os="rhel;centos;fedora;sles;opensuse">
<para>Start the Image service services and configure them to start when
the system boots:</para>
<screen><prompt>#</prompt> <userinput>systemctl enable openstack-glance-api.service openstack-glance-registry.service</userinput>
<prompt>#</prompt> <userinput>systemctl start openstack-glance-api.service openstack-glance-registry.service</userinput></screen>
</step>
<step os="ubuntu">
<para>By default, the Ubuntu packages create an SQLite database.</para>
<para>Because this configuration uses a SQL database server, you can
remove the SQLite database file:</para>
<screen><prompt>#</prompt> <userinput>rm -f /var/lib/glance/glance.sqlite</userinput></screen>
</step>
</procedure>
</section>
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