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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Ilya,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Yes there is no health monitor concept in haproxy. AFAIK, haproxy doesn’t support multiple health monitors for a single pool. Therefore the drive may just map the backend status (in haproxy domain) to the very health monitor that associated with the pool.<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'>Thanks</span><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'>Leon</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><b><span lang=ZH-CN style='font-size:10.0pt;font-family:SimSun'>发件人</span></b><b><span style='font-size:10.0pt;font-family:SimSun'>:</span></b><span style='font-size:10.0pt;font-family:SimSun'> Ilya Shakhat [mailto:ishakhat@mirantis.com] <br><b><span lang=ZH-CN>发送时间</span>:</b> 2012<span lang=ZH-CN>年</span>11<span lang=ZH-CN>月</span>22<span lang=ZH-CN>日</span> 23:38<br><b><span lang=ZH-CN>收件人</span>:</b> OpenStack Development Mailing List<br><b><span lang=ZH-CN>主题</span>:</b> Re: [openstack-dev] [Quantum] [LBaaS] Health Monitor Failure Detection<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This approach is good, but we should be aware that it may work not for all types of load balancers. For example, in HAProxy health monitor is transformed into nameless option inside backend section. The status of member (server) shows whether last check was succeed or failed with some code (<a href="http://cbonte.github.com/haproxy-dconv/configuration-1.4.html#9.1">http://cbonte.github.com/haproxy-dconv/configuration-1.4.html#9.1</a>). The driver may try to map the code to health monitor, but it may be not trivial to do or the mapping may be not one-to-one.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Ilya.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>2012/11/22 Mellquist, Peter <<a href="mailto:peter.mellquist@hp.com" target="_blank">peter.mellquist@hp.com</a>><o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Hi Youcef,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>This looks like it will work fine. I like this since it shows the state of all the monitors for the member.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Peter.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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"'> Youcef Laribi [mailto:<a href="mailto:Youcef.Laribi@eu.citrix.com" target="_blank">Youcef.Laribi@eu.citrix.com</a>] <br><b>Sent:</b> Wednesday, November 21, 2012 12:34 PM</span><o:p></o:p></p><div><p class=MsoNormal><br><b>To:</b> OpenStack Development Mailing List<o:p></o:p></p></div><p class=MsoNormal><b>Subject:</b> Re: [openstack-dev] [Quantum] [LBaaS] Health Monitor Failure Detection<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Hi Peter,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Yes you bring up a good point that we missed in the API. Usually in LB products when user displays the member, then the monitors used to monitor the member and their status are also displayed. We can adopt the same approach as follows:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier;color:#004080'>"member"</span><span lang=EN style='font-size:10.0pt;font-family:Courier'> : {</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"id"</span>:<span style='color:#004080'>"c57f581b-c834-408f-93fa-30543cf30618"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"tenant_id"</span>: <span style='color:#004080'>"310df60f-2a10-4ee5-9554-98393092194c"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"pool_id"</span>: <span style='color:#004080'>"cfc6589d-f949-4c66-99d2-c2da56ef3764"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"address"</span>: <span style='color:#004080'>"192.168.224.31"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"port"</span>: <span style='color:#0080C0'>8080</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"weight"</span> : <span style='color:#0080C0'>1</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"admin_state_up"</span> : <b><span style='color:teal'>true</span></b>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"status"</span> : <span style='color:#004080'>"INACTIVE",</span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier;color:#004080'> "health_monitors_status"</span><span lang=EN style='font-size:10.0pt;font-family:Courier'> : [</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> {</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"health_monitor_id" : "f3eeab00-8367-4524-b662-55e64d4cacb5",</span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"status" : "FAIL"</span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> },</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> {</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"health_monitor_id" : "</span></span><span style='font-size:10.0pt;font-family:Courier;color:#004080'>70995ff0-341a-11e2-81c1-0800200c9a66</span><span lang=EN style='font-size:10.0pt;font-family:Courier;color:#004080'>",</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"status" : "SUCCESS"</span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> }</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> ]</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> }</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Would this be acceptable?</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Youcef</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a name="13b24ce5dfa231e0__MailEndCompose"></a><span style='color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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"'> Mellquist, Peter [mailto:<a href="mailto:peter.mellquist@hp.com" target="_blank">peter.mellquist@hp.com</a>] <br><b>Sent:</b> Wednesday, November 21, 2012 11:17 AM<br><b>To:</b> OpenStack Development Mailing List<br><b>Subject:</b> [openstack-dev] Quantum LBaaS Health Monitor Failure Detection</span><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi LBaaS’ers,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>With the current capability to associate multiple health monitors with a pool, it does not seem possible to see which specific health monitor has detected an issue. For example, If I have a PING and HTTP monitor and the HTTP monitor fails how can the user or admin have visibility into the specific failure?<o:p></o:p></p><p><span lang=EN style='font-family:"Arial","sans-serif"'>“When a pool has several monitors associated with it, each member of the pool is monitored by all these monitors. If any monitor declares the member as unhealthy, then the member status is changed to INACTIVE and the member won't participate in its pool's load balancing. In other words, ALL monitors must declare the member to be healthy for it to stay ACTIVE. “</span><o:p></o:p></p><p>Member status changing to INACTIVE does not describe the reason why. Would it make sense to have a member status reason with the reference to the health monitor id in this case? We could then see which health monitor is failing and allow the user or admin to take appropriate action.<o:p></o:p></p><p> <o:p></o:p></p><p>Peter.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier;color:#004080'>"member"</span><span lang=EN style='font-size:10.0pt;font-family:Courier'> : {</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"id"</span>:<span style='color:#004080'>"c57f581b-c834-408f-93fa-30543cf30618"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"tenant_id"</span>: <span style='color:#004080'>"310df60f-2a10-4ee5-9554-98393092194c"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"pool_id"</span>: <span style='color:#004080'>"cfc6589d-f949-4c66-99d2-c2da56ef3764"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"address"</span>: <span style='color:#004080'>"192.168.224.31"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"port"</span>: <span style='color:#0080C0'>8080</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"weight"</span> : <span style='color:#0080C0'>1</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"admin_state_up"</span> : <b><span style='color:teal'>true</span></b>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"status"</span> : <span style='color:#004080'>"INACTIVE",</span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier;color:#004080'> "status_reason"</span><span lang=EN style='font-size:10.0pt;font-family:Courier'> : <span style='color:#004080'>"f3eeab00-8367-4524-b662-55e64d4cacb5"</span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> }<span style='color:#1F497D'> </span></span><o:p></o:p></p><p> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'>{</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"health_monitor"</span> :</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> {</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"id"</span> : <span style='color:#004080'>"f3eeab00-8367-4524-b662-55e64d4cacb5"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"type"</span> : <span style='color:#004080'>"HTTP"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"delay"</span> : <span style='color:#0080C0'>20</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"timeout"</span>: <span style='color:#0080C0'>10</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"max_retries"</span>: <span style='color:#0080C0'>3</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"http_method"</span> : <span style='color:#004080'>"GET"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"url_path"</span> : <span style='color:#004080'>"/"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"expected_codes"</span> : <span style='color:#004080'>"200,202"</span>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"admin_state_up"</span>: <b><span style='color:teal'>true</span></b>,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> <span style='color:#004080'>"status"</span>: <span style='color:#004080'>"ACTIVE"</span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> }</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'>}</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:#F3F5F7'><span lang=EN style='font-size:10.0pt;font-family:Courier'> </span><o:p></o:p></p><p> <o:p></o:p></p><p><span lang=EN style='font-family:"Arial","sans-serif"'> </span><o:p></o:p></p><p><span lang=EN style='font-family:"Arial","sans-serif"'> </span><o:p></o:p></p><p><span lang=EN style='font-family:"Arial","sans-serif"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>OpenStack-dev mailing list<br><a href="mailto:OpenStack-dev@lists.openstack.org">OpenStack-dev@lists.openstack.org</a><br><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>