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<p class="MsoNormal"><span style="font-size:11.0pt">Hello Chenjie,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I agree, this is a bug. I think the only reason it hasn’t been an issue is because the only user of the get_fdb_entries RPC is the BGP agent and it is not passing a host in the request (it is None), therefore
it excludes the attempt to try and access the parameter as an agent based on the condition in _<i>create_agent</i>_fdb.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Here is the BGP caller:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><a href="https://github.com/starlingx-staging/stx-neutron-dynamic-routing/blob/master/neutron_dynamic_routing/services/bgp/agent/bgp_dragent.py#L1498">https://github.com/starlingx-staging/stx-neutron-dynamic-routing/blob/master/neutron_dynamic_routing/services/bgp/agent/bgp_dragent.py#L1498</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">"Xu, Chenjie" <chenjie.xu@intel.com><br>
<b>Date: </b>Wednesday, November 28, 2018 at 10:11 AM<br>
<b>To: </b>"Peters, Matt" <Matt.Peters@windriver.com><br>
<b>Cc: </b>"starlingx-discuss@lists.starlingx.io" <starlingx-discuss@lists.starlingx.io><br>
<b>Subject: </b>[Starlingx-discuss] Analysis of patch 88b7bc7 for StartlingX upstreaming<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">Hi Matt,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">I think that there exists a bug in patch 88b7bc7. Function _<i>get_fdb</i>_entries will call function _<i>create_agent</i>_fdb by following line:</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"><a href="https://github.com/starlingx-staging/stx-neutron/blob/master/neutron/plugins/ml2/drivers/l2pop/mech_driver.py#L441">https://github.com/starlingx-staging/stx-neutron/blob/master/neutron/plugins/ml2/drivers/l2pop/mech_driver.py#L441</a></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">The variable “host” will be used to call _<i>create_agent</i>_fdb. However function _<i>create_agent</i>_fdb expects variable “agent”:</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"><a href="https://github.com/starlingx-staging/stx-neutron/blob/master/neutron/plugins/ml2/drivers/l2pop/mech_driver.py#L264">https://github.com/starlingx-staging/stx-neutron/blob/master/neutron/plugins/ml2/drivers/l2pop/mech_driver.py#L264</a></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">I think this should be a bug. Could you please help review and comment?</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">Best Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">Xu, Chenjie</span><o:p></o:p></p>
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