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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">We ran into a problem when using Apache2 and WSGi as the web front end for Keystone. Keystone v2.0 returns the token in the response body but v3 returns the
token in the response header. Apache has an internal limit of 8190 bytes for the response header which means that you will get an error when you request a token with includes an endpoint catalog that has more than about 12 endpoints in it. We had to turn the
catalog off.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Mark<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Remo Mattei [mailto:remo@italy1.com]
<br>
<b>Sent:</b> Friday, January 31, 2014 5:41 AM<br>
<b>To:</b> Ferreira, Rafael<br>
<b>Cc:</b> openstack@lists.openstack.org<br>
<b>Subject:</b> Re: [Openstack] [Barbican] Keystone PKI token too much long<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi Rafael<o:p></o:p></p>
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<p class="MsoNormal">Do you have the info on how that has been implemented. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Remo<o:p></o:p></p>
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<p class="MsoNormal">Inviato da iPhone ()<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
Il giorno Jan 31, 2014, alle ore 8:27, "Ferreira, Rafael" <<a href="mailto:raf@io.com">raf@io.com</a>> ha scritto:<o:p></o:p></p>
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<p class="MsoNormal">By the way, you can achieve the same benefits of uuid tokens (shorter tokens) with PKI by simply using a md5 hash of the PKI token for your X-Auth headers. This is poorly documented but it seems to work just fine. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">From:
</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">Adam Young <<a href="mailto:ayoung@redhat.com">ayoung@redhat.com</a>><br>
<b>Date: </b>Tuesday, January 28, 2014 at 1:41 PM<br>
<b>To: </b>"<a href="mailto:openstack@lists.openstack.org">openstack@lists.openstack.org</a>" <<a href="mailto:openstack@lists.openstack.org">openstack@lists.openstack.org</a>><br>
<b>Subject: </b>Re: [Openstack] [Barbican] Keystone PKI token too much long<o:p></o:p></span></p>
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<div>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On 01/22/2014 12:21 PM, John Wood wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">(Adding another member of our team Douglas)
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">Hello Giuseppe,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">For questions about news or patches for Keystone's PKI vs UUID modes, you might reach out to the
<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a> mailing list, with the subject line prefixed with [openstack-dev] [keystone] <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">Our observation has been that the PKI mode can generate large text blocks for tokens (esp. for large service catalogs) that cause http header errors. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">Regarding the specific barbican scripts you are running, we haven't run those in a while, so I'll investigate as we might need to update them. Please email back
your /etc/barbican/barbican-api-paste.ini paste config file when you have a chance as well. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">Thanks,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">John<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"><o:p> </o:p></span></p>
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<div class="MsoNormal" align="center" style="text-align:center"><span style="color:black">
<hr size="2" width="100%" align="center">
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<div id="divRpF494683">
<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"> Giuseppe Galeota [<a href="mailto:giuseppegaleota@gmail.com">giuseppegaleota@gmail.com</a>]<br>
<b>Sent:</b> Wednesday, January 22, 2014 7:36 AM<br>
<b>To:</b> <a href="mailto:openstack@lists.openstack.org">openstack@lists.openstack.org</a><br>
<b>Cc:</b> John Wood<br>
<b>Subject:</b> [Openstack] [Barbican] Keystone PKI token too much long</span><span style="color:black"><o:p></o:p></span></p>
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<div>
<p class="MsoNormal"><span style="color:black">Dear all, <o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="color:black">I have configured Keystone for Barbican using this
<a href="https://github.com/cloudkeep/barbican/wiki/Developer-Guide-for-Keystone" target="_blank">
guide</a>.<o:p></o:p></span></p>
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<div>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<div>
<p class="MsoNormal"><span style="color:black">Is there any news or patch about the need to use a shorter token? I would not use a modified token.<o:p></o:p></span></p>
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<p class="MsoNormal">Its a known problem. You can request a token without the service catalog using an extension.<br>
<br>
One possible future enhancement is to compress the key.<br>
<br>
<br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Following you can find an extract of the linked guide:<o:p></o:p></span></p>
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<li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.5pt;font-family:"Helvetica","sans-serif";color:#333333">(Optional) Typical keystone setup creates PKI tokens that are long, do not fit easily into curl requests without splitting into components. For testing purposes suggest updating
the keystone database with a shorter token-id. (An alternative is to set up keystone to generate uuid tokens.) From the above output grad the token expiry value, referred to as "x-y-z"</span><o:p></o:p></li></ul>
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<div style="mso-element:para-border-div;border:solid #DDDDDD 1.0pt;padding:5.0pt 8.0pt 5.0pt 8.0pt;background:#F8F8F8">
<pre style="mso-margin-top-alt:11.25pt;margin-right:0in;margin-bottom:11.25pt;margin-left:0in;line-height:14.25pt;background:#F8F8F8;border:none;padding:0in;word-wrap:normal;overflow:auto"><span style="font-family:Consolas;color:#333333">mysql <b>-</b>u rootuse keystone;update token set id<b>=</b></span><span style="font-family:Consolas;color:#DD1144">"foo"</span><span style="font-family:Consolas;color:#333333"> where expires<b>=</b></span><span style="font-family:Consolas;color:#DD1144">"x-y-z"</span><span style="font-family:Consolas;color:#333333"> ;<o:p></o:p></span></pre>
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<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Thank you,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Giuseppe<o:p></o:p></span></p>
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<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
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