101da047d5
Using keystone-all to start the Identity service is deprecated in favor of the keystone WSGI services. Change-Id: Ia71a0d01816f3f7354c508fc4fd7c9a0cfe4f5ad
45 lines
2.0 KiB
XML
45 lines
2.0 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="keystone-service-mgmt">
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<title>Service management</title>
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<para>The Identity Service provides
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identity, token, catalog, and policy services.
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It consists of:</para>
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<itemizedlist>
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<listitem>
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<para><systemitem class="service">keystone Web Server Gateway
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Interface (WSGI) service</systemitem>. Can be run in a
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WSGI-capable web server such as Apache httpd to provide the
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Identity Service. The service and administrative APIs are run as
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separate instances of the WSGI service.
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</para>
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</listitem>
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<listitem>
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<para>Identity Service functions. Each has a pluggable back
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end that allows different ways to use the particular
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service. Most support standard back ends like LDAP or
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SQL.</para>
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</listitem>
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<listitem>
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<para><systemitem class="service">keystone-all</systemitem>.
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Starts both the service and administrative APIs in a
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single process. Using federation with keystone-all is not
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supported. keystone-all is deprecated in favor of the WSGI
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service.</para>
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</listitem>
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</itemizedlist>
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<para>The Identity Service also maintains a user that
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corresponds to each service, such as, a user named
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<emphasis>nova</emphasis> for the Compute service, and
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a special service tenant called
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<emphasis>service</emphasis>.</para>
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<para>For information about how to create services and
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endpoints, see the <link
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xlink:href="http://docs.openstack.org/user-guide-admin/content/index.html"
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><citetitle>OpenStack Admin User
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Guide</citetitle></link>.</para>
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</section>
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