API server logs message with error code 520 in VncApiStatsLog whenever there is an error

[Sachin Bansal]

Nov 03 19:41:01 contrail-dev-config1.srv.lab.cloud.ipnett.se contrail-api[18392]: 10.19.30.116 - - [2016-11-03 19:41:01] "GET /virtual-machine-interface/248122a7-1964-4408-91e5-c74d8d67afb0?fields=instance_ip_back_refs%2Cinterface_route_table_refs HTTP/1.1" 404 196 0.003009
Nov 03 19:41:01 contrail-dev-config1.srv.lab.cloud.ipnett.se contrail-api[18392]: INFO:contrail-api:__default__ [SYS_INFO]: VncApiConfigLog: api_log = << identifier_uuid = 248122a7-1964-4408-91e5-c74d8d67afb0 object_type = virtual_machine_interface url = http://contrail-dev-config1.srv.lab.cloud.ipnett.se:9100/virtual-machine-interface/248122a7-1964-4408-91e5-c74d8d67afb0?fields=instance_ip_back_refs%2Cinterface_route_table_refs operation = http_get useragent = contrail-dev-config1.srv.lab.cloud.ipnett.se:/usr/bin/contrail-svc-monitor remote_ip = contrail-dev-config1.srv.lab.cloud.ipnett.se:9100 domain = default-domain error = virtual_machine_interface:This object is not visible by users: 248122a7-1964-4408-91e5-c74d8d67afb0 >>
Nov 03 19:41:01 contrail-dev-config1.srv.lab.cloud.ipnett.se contrail-api[18392]: INFO:contrail-api:__default__ [SYS_INFO]: VncApiStatsLog: api_stats = << operation_type = GET useragent = contrail-dev-config1.srv.lab.cloud.ipnett.se:/usr/bin/contrail-svc-monitor remote_ip = contrail-dev-config1.srv.lab.cloud.ipnett.se:9100 domain_name = default-domain project_name = default-project object_type = virtual_machine_interface response_time_in_usec = 2538 response_size = 0 resp_code = 520 >>

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/25683
Submitter: Sachin Bansal (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/25683
Committed: http://github.org/Juniper/contrail-controller/commit/4369c8763bcb1417df8dce25154c4742f133ea09
Submitter: Zuul
Branch: master

commit 4369c8763bcb1417df8dce25154c4742f133ea09
Author: Sachin Bansal <email address hidden>
Date: Thu Nov 3 16:43:45 2016 -0700

Catch the correct exception

Catch the correct exception to fill the response code.
Added test case to test this
Also fixed a minor sandesh file issue.

Change-Id: Id4147ee2034231946f8d1aa051b8c6a7b6064da0
Closes-Bug: 1639079

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/25792
Submitter: Sachin Bansal (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/25792
Committed: http://github.org/Juniper/contrail-controller/commit/1231596ed9924aae809914a6115a5a59140326d7
Submitter: Zuul
Branch: R3.2

commit 1231596ed9924aae809914a6115a5a59140326d7
Author: Sachin Bansal <email address hidden>
Date: Thu Nov 3 16:43:45 2016 -0700

Catch the correct exception

Catch the correct exception to fill the response code.
Added test case to test this
Also fixed a minor sandesh file issue.

Change-Id: Id4147ee2034231946f8d1aa051b8c6a7b6064da0
Closes-Bug: 1639079
(cherry picked from commit 4369c8763bcb1417df8dce25154c4742f133ea09)