277 lines
12 KiB
XML
277 lines
12 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="glance-install">
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<title>Install and configure</title>
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<para>This section describes how to install and configure the Image Service,
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code-named glance, on the controller node. For simplicity, this
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configuration stores images on the local file system.</para>
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<note>
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<para>This section assumes proper installation, configuration, and
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operation of the Identity service as described in
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<xref linkend="keystone-install"/> and
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<xref linkend="keystone-verify"/>.</para>
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</note>
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<procedure os="ubuntu;rhel;centos;fedora;sles;opensuse">
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<title>To configure prerequisites</title>
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<para>Before you install and configure the Image Service, you must create
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a database and Identity service credentials including endpoints.</para>
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<step>
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<para>To create the database, complete these steps:</para>
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<substeps>
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<step>
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<para>Use the database access client to connect to the database
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server as the <literal>root</literal> user:</para>
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<screen><prompt>$</prompt> <userinput>mysql -u root -p</userinput></screen>
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</step>
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<step>
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<para>Create the <literal>glance</literal> database:</para>
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<screen><userinput>CREATE DATABASE glance;</userinput></screen>
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</step>
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<step>
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<para>Grant proper access to the <literal>glance</literal>
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database:</para>
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<screen><userinput>GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' \
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IDENTIFIED BY '<replaceable>GLANCE_DBPASS</replaceable>';</userinput>
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<userinput>GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' \
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IDENTIFIED BY '<replaceable>GLANCE_DBPASS</replaceable>';</userinput></screen>
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<para>Replace <replaceable>GLANCE_DBPASS</replaceable> with a suitable
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password.</para>
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</step>
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<step>
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<para>Exit the database access client.</para>
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</step>
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</substeps>
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</step>
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<step>
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<para>Source the <literal>admin</literal> credentials to gain access to
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admin-only CLI commands:</para>
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<screen><prompt>$</prompt> <userinput>source admin-openrc.sh</userinput></screen>
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</step>
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<step>
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<para>To create the Identity service credentials, complete these
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steps:</para>
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<substeps>
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<step>
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<para>Create the <literal>glance</literal> user:</para>
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<screen><prompt>$</prompt> <userinput>keystone user-create --name glance --pass <replaceable>GLANCE_PASS</replaceable> --email <replaceable>EMAIL_ADDRESS</replaceable></userinput>
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<computeroutput>+----------+----------------------------------+
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| Property | Value |
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+----------+----------------------------------+
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| email | glance@example.com |
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| enabled | True |
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| id | f89cca5865dc42b18e2421fa5f5cce66 |
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| name | glance |
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| username | glance |
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+----------+----------------------------------+</computeroutput></screen>
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<para>Replace <replaceable>GLANCE_PASS</replaceable> with a suitable
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password and <replaceable>EMAIL_ADDRESS</replaceable> with
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a suitable e-mail address.</para>
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</step>
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<step>
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<para>Link the <literal>glance</literal> user to the
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<literal>service</literal> tenant and <literal>admin</literal>
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role:</para>
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<screen><prompt>$</prompt> <userinput>keystone user-role-add --user glance --tenant service --role admin</userinput></screen>
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<note>
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<para>This command provides no output.</para>
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</note>
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</step>
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<step>
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<para>Create the <literal>glance</literal> service:</para>
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<screen><prompt>$</prompt> <userinput>keystone service-create --name glance --type image \
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--description "OpenStack Image Service"</userinput>
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<computeroutput>+-------------+----------------------------------+
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| Property | Value |
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+-------------+----------------------------------+
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| description | OpenStack Image Service |
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| enabled | True |
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| id | 23f409c4e79f4c9e9d23d809c50fbacf |
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| name | glance |
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| type | image |
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+-------------+----------------------------------+</computeroutput></screen>
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</step>
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</substeps>
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</step>
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<step>
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<para>Create the Identity service endpoints:</para>
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<screen><prompt>$</prompt> <userinput>keystone endpoint-create \
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--service-id $(keystone service-list | awk '/ image / {print $2}') \
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--publicurl http://<replaceable>controller</replaceable>:9292 \
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--internalurl http://<replaceable>controller</replaceable>:9292 \
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--adminurl http://<replaceable>controller</replaceable>:9292 \
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--region regionOne</userinput>
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<computeroutput>+-------------+----------------------------------+
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| Property | Value |
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+-------------+----------------------------------+
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| adminurl | http://controller:9292 |
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| id | a2ee818c69cb475199a1ca108332eb35 |
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| internalurl | http://controller:9292 |
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| publicurl | http://controller:9292 |
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| region | regionOne |
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| service_id | 23f409c4e79f4c9e9d23d809c50fbacf |
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+-------------+----------------------------------+</computeroutput></screen>
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</step>
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</procedure>
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<procedure os="ubuntu;rhel;centos;fedora;sles;opensuse">
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<title>To install and configure the Image Service components</title>
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<step>
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<para>Install the packages:</para>
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<screen os="ubuntu"><prompt>#</prompt> <userinput>apt-get install glance python-glanceclient</userinput></screen>
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<screen os="rhel;centos;fedora"><prompt>#</prompt> <userinput>yum install openstack-glance python-glanceclient</userinput></screen>
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<screen os="opensuse;sles"><prompt>#</prompt> <userinput>zypper install openstack-glance python-glanceclient</userinput></screen>
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</step>
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<step>
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<para>Edit the <filename>/etc/glance/glance-api.conf</filename>
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file and complete the following actions:</para>
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<substeps>
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<step>
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<para>In the <literal>[database]</literal> section, configure
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database access:</para>
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<programlisting language="ini">[database]
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...
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connection = mysql://glance:<replaceable>GLANCE_DBPASS</replaceable>@<replaceable>controller</replaceable>/glance</programlisting>
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<para>Replace <replaceable>GLANCE_DBPASS</replaceable> with the
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password you chose for the Image Service database.</para>
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</step>
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<step>
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<para>In the <literal>[keystone_authtoken]</literal> and
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<literal>[paste_deploy]</literal> sections, configure Identity
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service access:</para>
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<programlisting language="ini">[keystone_authtoken]
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...
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auth_uri = http://<replaceable>controller</replaceable>:5000/v2.0
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identity_uri = http://<replaceable>controller</replaceable>:35357
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admin_tenant_name = service
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admin_user = glance
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admin_password = <replaceable>GLANCE_PASS</replaceable>
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[paste_deploy]
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...
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flavor = keystone</programlisting>
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<para>Replace <replaceable>GLANCE_PASS</replaceable> with the
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password you chose for the <literal>glance</literal> user in the
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Identity service.</para>
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<note>
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<para>Comment out any <literal>auth_host</literal>,
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<literal>auth_port</literal>, and
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<literal>auth_protocol</literal> keys because the
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<literal>identity_uri</literal> key replaces them.</para>
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</note>
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</step>
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<step>
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<para>(Optional) To assist with troubleshooting,
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enable verbose logging in the <literal>[DEFAULT]</literal> section:</para>
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<programlisting language="ini">[DEFAULT]
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...
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verbose = True</programlisting>
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</step>
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</substeps>
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</step>
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<step>
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<para>Edit the <filename>/etc/glance/glance-registry.conf</filename>
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file and complete the following actions:</para>
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<substeps>
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<step>
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<para>In the <literal>[database]</literal> section, configure
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database access:</para>
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<programlisting language="ini">[database]
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...
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connection = mysql://glance:<replaceable>GLANCE_DBPASS</replaceable>@<replaceable>controller</replaceable>/glance</programlisting>
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<para>Replace <replaceable>GLANCE_DBPASS</replaceable> with the
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password you chose for the Image Service database.</para>
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</step>
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<step>
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<para>In the <literal>[keystone_authtoken]</literal> and
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<literal>[paste_deploy]</literal> sections, configure Identity
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service access:</para>
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<programlisting language="ini">[keystone_authtoken]
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...
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auth_uri = http://<replaceable>controller</replaceable>:5000/v2.0
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identity_uri = http://<replaceable>controller</replaceable>:35357
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admin_tenant_name = service
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admin_user = glance
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admin_password = <replaceable>GLANCE_PASS</replaceable>
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[paste_deploy]
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...
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flavor = keystone</programlisting>
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<para>Replace <replaceable>GLANCE_PASS</replaceable> with the
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password you chose for the <literal>glance</literal> user in the
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Identity service.</para>
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<note>
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<para>Comment out any <literal>auth_host</literal>,
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<literal>auth_port</literal>, and
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<literal>auth_protocol</literal> keys because the
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<literal>identity_uri</literal> key replaces them.</para>
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</note>
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</step>
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<step>
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<para>In the <literal>[DEFAULT]</literal> section, we recommend
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enabling verbose logging to assist with potential
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troubleshooting:</para>
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<programlisting language="ini">[DEFAULT]
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...
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verbose = True</programlisting>
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</step>
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</substeps>
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</step>
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<step>
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<para>Populate the Image Service database:</para>
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<screen><prompt>#</prompt> <userinput>su -s /bin/sh -c "glance-manage db_sync" glance</userinput></screen>
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</step>
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</procedure>
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<procedure os="debian">
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<title>To install and configure the Image Service components</title>
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<step>
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<para>Install the packages:</para>
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<screen><prompt>#</prompt> <userinput>apt-get install glance python-glanceclient</userinput></screen>
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</step>
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<step>
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<para>Respond to prompts for
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<link linkend="debconf-dbconfig-common">database management</link>,
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<link linkend="debconf-keystone_authtoken">Identity service
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credentials</link>,
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<link linkend="debconf-api-endpoints">service endpoint
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registration</link>, and
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<link linkend="debconf-rabbitmq">message broker
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credentials</link>.</para>
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</step>
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<step>
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<para>Select the <literal>keystone</literal> pipeline to configure the
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Image Service to use the Identity service:</para>
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<mediaobject>
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<imageobject>
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<imagedata scale="50"
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fileref="figures/debconf-screenshots/glance-common_pipeline_flavor.png"
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/>
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</imageobject>
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</mediaobject>
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</step>
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</procedure>
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<procedure>
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<title>To finalize installation</title>
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<step os="ubuntu;debian">
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<para>Restart the Image Service services:</para>
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<screen><prompt>#</prompt> <userinput>service glance-registry restart</userinput>
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<prompt>#</prompt> <userinput>service glance-api restart</userinput></screen>
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</step>
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<step os="rhel;centos;fedora;sles;opensuse">
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<para>Start the Image Service services and configure them to start when
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the system boots:</para>
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<screen><prompt>#</prompt> <userinput>service openstack-glance-api start</userinput>
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<prompt>#</prompt> <userinput>service openstack-glance-registry start</userinput>
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<prompt>#</prompt> <userinput>chkconfig openstack-glance-api on</userinput>
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<prompt>#</prompt> <userinput>chkconfig openstack-glance-registry on</userinput></screen>
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</step>
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<step os="ubuntu">
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<para>By default, the Ubuntu packages create an SQLite database.</para>
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<para>Because this configuration uses a SQL database server, you can
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remove the SQLite database file:</para>
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<screen><prompt>#</prompt> <userinput>rm -f /var/lib/glance/glance.sqlite</userinput></screen>
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</step>
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</procedure>
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</section>
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