6be4f5775f
The XML root element of Docbook XML files should match the following format: <ELEMENT 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="THE_XML_ID_OF_THE_ELEMENT"> Change-Id: Ic59684221ba99632c71e3f9b5f97ec74f56793a4
40 lines
2.1 KiB
XML
40 lines
2.1 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="sdk_auth_keystone">
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<title>Authenticate against an Identity endpoint</title>
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<para>To authenticate against the Identity v2.0 endpoint,
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instantiate a <link
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xlink:href="http://docs.openstack.org/developer/python-keystoneclient/api/keystoneclient.v2_0.client.html#keystoneclient.v2_0.client.Client"
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> keystoneclient.v_20.client.Client</link> object:</para>
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<programlisting language="python">from os import environ as env
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import keystoneclient.v2_0.client as ksclient
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keystone = ksclient.Client(auth_url=env['OS_AUTH_URL'],
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username=env['OS_USERNAME'],
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password=env['OS_PASSWORD'],
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tenant_name=env['OS_TENANT_NAME'],
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region_name=env['OS_REGION_NAME'])</programlisting>
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<para>After you instantiate a <classname>Client</classname> object,
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you can retrieve the token by accessing its
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<literal>auth_token</literal> attribute object:</para>
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<programlisting language="python">import keystoneclient.v2_0.client as ksclient
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keystone = ksclient.Client(...)
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print keystone.auth_token</programlisting>
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<para>If the OpenStack cloud is configured to use public-key
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infrastructure (PKI) tokens, the Python script output looks
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something like this:</para>
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<screen><computeroutput>MIIQUQYJKoZIhvcNAQcCoIIQQjCCED4CAQExCTAHBgUrDgMCGjCCDqcGCSqGSIb3DQEHAaCCDpgE
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gg6UeyJhY2Nlc3MiOiB7InRva2VuIjogeyJpc3N1ZWRfYXQiOiAiMjAxMy0xMC0yMFQxNjo1NjoyNi
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4zNTg2MjUiLCAiZXhwaXJlcyI6ICIyMDEzLTEwLTIxVDE2OjU2OjI2WiIsICJpZCI6ICJwbGFjZWhv
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...
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R3g14FJ0BxtTPbo6WarZ+sA3PZwdgIDyGNI-0Oqv-8ih4gJC9C6wBCel1dUXJ0Mn7BN-SfuxkooVk6
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e090bcKjTWet3CC8IEj7a6LyLRVTdvmKGA5-pgp2mS5fb3G2mIad4Zeeb-zQn9V3Xf9WUGxuiVu1Hn
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fhuUpJT-s9mU7+WEC3-8qkcBjEpqVCvMpmM4INI=</computeroutput></screen>
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<note>
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<para>This example shows a subset of a PKI token. A complete token
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is over 5000 characters long.</para>
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</note>
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</section>
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