[Openstack] Keystone and identity federation

thomas.duval at orange.com thomas.duval at orange.com
Tue Mar 1 09:31:44 UTC 2016


Hello Everybody,

I try to configure identity federation between 2 Keystones and I have some difficulties. I mainly followed this guide http://docs.openstack.org/developer/keystone/configure_federation.html<https://exchange-eme3.itn.ftgroup/owa/redir.aspx?REF=T9Q2NhKlOJYyKta69Mjleg2nx0duNoKaJpdWYye5liRiZs0WtEHTCAFodHRwOi8vZG9jcy5vcGVuc3RhY2sub3JnL2RldmVsb3Blci9rZXlzdG9uZS9jb25maWd1cmVfZmVkZXJhdGlvbi5odG1s> and when I want to test the federated authentication on the Service Provider (GET /v3/OS-FEDERATION/identity_providers/master/protocols/saml2/auth), I have the following response :
Error 500
Unable to locate metadata for identity provider <http://idp/idp/shibboleth<https://exchange-eme3.itn.ftgroup/owa/redir.aspx?REF=vo4Mc6JYAdVMJEJHzj2xytyuoUXIFN-Ncj0VpdqxDEtiZs0WtEHTCAFodHRwOi8vaWRwL2lkcC9zaGliYm9sZXRo>>
The only error in keystone.log is:
Unable to locate metadata for identity provider (http://idp/idp/shibboleth)
I have the following warning in shibd.log:
WARN Shibboleth.SessionInitiator.SAML2 [1]: unable to locate metadata for provider (http://idp/idp/shibboleth)
Here is the configuration of Shibboleth:
<SPConfig xmlns="urn:mace:shibboleth:2.0:native:sp:config"
    xmlns:conf="urn:mace:shibboleth:2.0:native:sp:config"
    xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
    xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol"
    xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata"
    clockSkew="180">

    <ApplicationDefaults entityID="http://sp/shibboleth">

        <Sessions lifetime="28800" timeout="3600" relayState="ss:mem"
                  checkAddress="false" handlerSSL="false" cookieProps="http">

            <SSO entityID="http://idp/idp/shibboleth" ECP="true">
              SAML2 SAML1
            </SSO>

            <Logout>SAML2 Local</Logout>

            <Handler type="MetadataGenerator" Location="/Metadata" signing="false"/>

            <Handler type="Status" Location="/Status" acl="127.0.0.1 ::1"/>

            <Handler type="Session" Location="/Session" showAttributeValues="false"/>

            <Handler type="DiscoveryFeed" Location="/DiscoFeed"/>
        </Sessions>

        <Errors supportContact="root at localhost"
            helpLocation="/about.html"
            styleSheet="/shibboleth-sp/main.css"/>

    <MetadataProvider type="XML" uri="http://192.168.52.10/Shibboleth.sso/Metadata"
              backingFilePath="/var/cache/shibboleth/idp.xml" reloadInterval="7200">
        </MetadataProvider>

        <MetadataProvider type="XML" file="IDP.xml"/>

        <AttributeExtractor type="XML" validate="true" reloadChanges="false" path="attribute-map.xml"/>

        <AttributeResolver type="Query" subjectMatch="true"/>

        <AttributeFilter type="XML" validate="true" path="attribute-policy.xml"/>

        <CredentialResolver type="File" key="sp-key.pem" certificate="sp-cert.pem"/>

        <ApplicationOverride id="master" entityID="http://idp/shibboleth">
           <Sessions lifetime="28800" timeout="3600" checkAddress="false"
           relayState="ss:mem" handlerSSL="false">

            <SSO entityID="https://idp/idp/shibboleth" ECP="true">
                SAML2 SAML1
            </SSO>

            <Logout>SAML2 Local</Logout>
           </Sessions>

           <MetadataProvider type="XML" uri="http://192.168.52.10/Shibboleth.sso/Metadata"
             backingFilePath="/var/cache/shibboleth/idp.xml"
             reloadInterval="180000" />

        </ApplicationOverride>
    </ApplicationDefaults>

    <SecurityPolicyProvider type="XML" validate="true" path="security-policy.xml"/>

    <ProtocolProvider type="XML" validate="true" reloadChanges="false" path="protocols.xml"/>

</SPConfig>
The http://192.168.52.10/Shibboleth.sso/Metadata<https://exchange-eme3.itn.ftgroup/owa/redir.aspx?REF=jI0ANg_5uqXLZ2PC_HhAlkGcg1eJaTXtg7_2GCWwp8fDx88WtEHTCAFodHRwOi8vMTkyLjE2OC41Mi4xMC9TaGliYm9sZXRoLnNzby9NZXRhZGF0YQ..> url is working and give me the metadata of the Identity Provider. The file IDP.xml was retrieve from the same URL and put in the directory /etc/shibboleth.

Both OpenStack servers was installed from DevStack (branch stable/liberty) on Ubuntu trusty.

Does someone face the same problem?

Cheers.

--
Thomas

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