#3186 amfnd: crashes during start up in robustness test

[Thang Duc Nguyen]

2020-09-28 10:10:39.240 SC-1 osafamfnd[277]: Started
2020-09-28 10:10:39.355 SC-1 osafdtmd[126]: NO Lost contact with 'SC-2'
2020-09-28 10:10:39.357 SC-1 osafamfnd[277]: NO Start monitoring AMFD using /var/lib/opensaf/osafamfd.fifo
2020-09-28 10:10:39.357 SC-1 osafimmnd[195]: WA Both Active & Standby DOWN, going to headless
2020-09-28 10:10:39.357 SC-1 osafimmnd[195]: WA SC Absence IS allowed:900 IMMD service is DOWN ex_immd_node_id=2020f
2020-09-28 10:10:39.357 SC-1 osafimmnd[195]: NO IMMD SERVICE IS DOWN, HYDRA IS CONFIGURED => UNREGISTERING IMMND form MDS
2020-09-28 10:10:39.357 SC-1 osafimmnd[195]: NO Implementer disconnected 141 <0, 2030f(down)> (OpenSafImmPBE)
2020-09-28 10:10:39.357 SC-1 osafimmnd[195]: NO Impl Discarded node 2030f
2020-09-28 10:10:39.358 SC-1 osafimmnd[195]: NO Implementer disconnected 146 <0, 2020f(down)> (safAmfService)
2020-09-28 10:10:39.358 SC-1 osafimmnd[195]: NO Implementer disconnected 145 <0, 2020f(down)> (safClmService)
2020-09-28 10:10:39.358 SC-1 osafimmnd[195]: NO Implementer disconnected 144 <0, 2020f(down)> (@OpenSafImmReplicatorA)
2020-09-28 10:10:39.358 SC-1 osafimmnd[195]: NO Implementer disconnected 143 <0, 2020f(down)> (@safLogService_appl)
2020-09-28 10:10:39.358 SC-1 osafimmnd[195]: NO Implementer disconnected 142 <0, 2020f(down)> (safLogService)
2020-09-28 10:10:39.358 SC-1 osafimmnd[195]: NO Impl Discarded node 2020f
2020-09-28 10:10:39.359 SC-1 osafimmnd[195]: NO MDS unregisterede. sleeping ...
2020-09-28 10:10:39.366 SC-1 osafamfnd[277]: WA saImmOmInitialize failed. Use previous value of nodeName.
2020-09-28 10:10:39.366 SC-1 osafamfnd[277]: src/amf/amfnd/clm.cc:161: clm_to_amf_node: Assertion 'avnd_cb->amf_nodeName.empty() == false'

[Thang Duc Nguyen]

commit 138df61ce210b9fcff33db5bb093cc6e8a75810f (HEAD -> develop, origin/develop, ticket-3186)
Author: thang.d.nguyen thang.d.nguyen@dektech.com.au
Date: Fri Oct 9 16:25:56 2020 +0700

amf: fix coredump in start up [#3186]

During node start up, it loses connection with Active SC.
At that time CLM join cluster and AMFND tries to convert
CLM node to AMF node. But IMMND at that time is down
(e.i, unregister then register with MDS). The IMM OM API
return asap and cause the coredump.

Need to retry in this case for more robustness.