Log unlimited loop events log？ Is this normal?
Openstack is working fine, but i think events are problematic. Neutron-server and dhcp-agent also appear a lot of log content related to events
root@controller01 ~]# tail -f /var/log/nova/nova-api.log
2017-06-22 21:27:11.355 32374 INFO nova.api.openstack.compute.server_external_events [req-7e43036a-3e56-4d43-a427-253f96d090f9 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] Creating event network-vif-plugged:8ed2d88e-6518-4f9a-aebb-da5fdf0a1b5f for instance b842d4ca-899a-4cca-bfae-6dab0d4f7416
2017-06-22 21:27:11.402 32374 INFO nova.api.openstack.compute.server_external_events [req-7e43036a-3e56-4d43-a427-253f96d090f9 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] Creating event network-vif-plugged:63ab562c-4703-4fd4-85b8-fa4a19fffa21 for instance f68a54e8-7733-4dfa-9261-0386105de768
2017-06-22 21:27:11.453 32374 INFO nova.api.openstack.compute.server_external_events [req-7e43036a-3e56-4d43-a427-253f96d090f9 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] Creating event network-vif-plugged:bb583836-90cb-4c33-ad51-8cd91012aeb1 for instance 0d8a19d9-7fbb-4111-94d9-365b6eed87a9
2017-06-22 21:27:11.467 32374 INFO nova.osapi_compute.wsgi.server [req-7e43036a-3e56-4d43-a427-253f96d090f9 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] 172.16.21.5 "POST /v2.1/36a212afad5542dfa4a5c6ac6fb8a8fd/os-server-external-events HTTP/1.1" status: 200 len: 853 time: 0.1771662
017-06-22 21:27:12.691 32370 INFO nova.api.openstack.compute.server_external_events [req-697b878f-67f2-4aa5-bcb1-73ee377b0611 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] Creating event network-vif-plugged:b68137d9-9ad2-47bf-9853-bc3cc7db2a61 for instance 30c01b58-75a4-43eb-8733-12f9fbf23e2a
2017-06-22 21:27:12.703 32370 INFO nova.osapi_compute.wsgi.server [req-697b878f-67f2-4aa5-bcb1-73ee377b0611 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] 172.16.21.5 "POST /v2.1/36a212afad5542dfa4a5c6ac6fb8a8fd/os-server-external-events HTTP/1.1" status: 200 len: 511 time: 0.0697992
2017-06-22 21:27:15.547 32374 INFO nova.osapi_compute.wsgi.server [-] 172.16.21.5 "OPTIONS / HTTP/1.0" status: 200 len: 499 time: 0.0012031
2017-06-22 21:27:17.422 32372 INFO nova.api.openstack.compute.server_external_events [req-0a12f987-7c32-4469-bb28-f16d45635764 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] Creating event network-vif-plugged:7e8a1cfd-2c70-4957-b510-d2f3762406f9 for instance db72e77e-7ff8-441e-a6a1-795110a5fe14
2017-06-22 21:27:17.434 32372 INFO nova.osapi_compute.wsgi.server [req-0a12f987-7c32-4469-bb28-f16d45635764 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] 172.16.21.5 "POST /v2.1/36a212afad5542dfa4a5c6ac6fb8a8fd/os-server-external-events HTTP/1.1" status: 200 len: 511 time: 0.0686979
2017-06-22 21:27:18.395 32371 INFO nova.api.openstack.compute.server_external_events [req-599dc2a8-6e88-48b3-a6d4-684a53bb3dd1 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] Creating event network-vif-plugged:edb09348-a3a7-4462-84fc-be93d11e5529 for instance 1bba395d-7964-43ad-a7f8-27e73d86027f
2017-06-22 21:27:18.445 32371 INFO nova.api.openstack.compute.server_external_events [req-599dc2a8-6e88-48b3-a6d4-684a53bb3dd1 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] Creating event network-vif-plugged:07ef5a2c-0728-4886-ad40-3e360489c00e for instance 3b417e73-e0e0-4646-915c-b96272258325
2017-06-22 21:27:18.458 32371 INFO nova.osapi_compute.wsgi.server [req-599dc2a8-6e88-48b3-a6d4-684a53bb3dd1 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] 172.16.21.5 "POST /v2.1/36a212afad5542dfa4a5c6ac6fb8a8fd/os-server-external-events HTTP/1.1" status: 200 len: 682 time: 0.1273069
2017-06-22 21:27:19.470 32384 INFO nova.metadata.wsgi.server [-] 172.16.21.5 "OPTIONS / HTTP/1.0" status: 200 len: 234 time: 0.0004709
2017-06-22 21:27:19.706 32375 INFO nova.api.openstack.compute.server_external_events [req-42ba00bf-02f1-4952-aea0-f07e578e48a3 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] Creating event network-vif-plugged:d882f6a1-e3e4-4a05-b491-518fdc10f15f for instance 27207a94-8aa0-4f43-b2dc-b6347cfa4edb
2017-06-22 21:27:19.719 32375 INFO nova.osapi_compute.wsgi.server [req-42ba00bf-02f1-4952-aea0-f07e578e48a3 880f4df0f9f3487f9f6eaf4163c6a00e 36a212afad5542dfa4a5c6ac6fb8a8fd - default default] 172.16.21.5 "POST /v2.1/36a212afad5542dfa4a5c6ac6fb8a8fd/os-server-external-events HTTP/1.1" status: 200 len: 511 time: 0.5144551
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The external events API is a rest api call, we always log those