Trident output

[root@trident trident-installer]# ./tridentctl -n trident version
+----------------+----------------+
| SERVER VERSION | CLIENT VERSION |
+----------------+----------------+
| 19.04.0        | 19.04.0        |
+----------------+----------------+
[root@trident trident-installer]# ./tridentctl get backend -d -n trident
Operating mode = tunnel, Trident pod = trident-7cb957fd7-nntwh, Namespace = trident, CLI = kubectl
Invoking tunneled command: kubectl exec trident-7cb957fd7-nntwh -n trident -c trident-main -- tridentctl -s 127.0.0.1:8000 --debug get backend
Operating mode = direct, Server = 127.0.0.1:8000
Trident URL: http://127.0.0.1:8000/trident/v1
--------------------------------------------------------------------------------
Request Method: GET
Request URL: http://127.0.0.1:8000/trident/v1/backend
Request headers: map[Content-Type:[application/json]]
Request body: 
................................................................................
Response status: 200 OK
Response headers: map[Content-Type:[application/json; charset=UTF-8] Date:[Wed, 29 May 2019 12:32:36 GMT] Content-Length:[45]]
Response body: {"backends":["ontap-economy","cluster1",""]}

================================================================================
--------------------------------------------------------------------------------
Request Method: GET
Request URL: http://127.0.0.1:8000/trident/v1/backend/ontap-economy
Request headers: map[Content-Type:[application/json]]
Request body: 
................................................................................
Response status: 200 OK
Response headers: map[Content-Type:[application/json; charset=UTF-8] Date:[Wed, 29 May 2019 12:32:36 GMT] Content-Length:[1156]]
Response body: {"backend":{"name":"ontap-economy","protocol":"file","config":{"version":1,"storageDriverName":"ontap-nas-economy","backendName":"ontap-economy","debug":false,"debugTraceFlags":null,"disableDelete":false,"storagePrefix":{},"serialNumbers":null,"limitVolumeSize":"","managementLIF":"10.1.1.200","dataLIF":"10.1.1.200","igroupName":"","svm":"trident-qtree","username":"","password":"","aggregate":"","usageHeartbeat":"","qtreePruneFlexvolsPeriod":"","qtreeQuotaResizePeriod":"","nfsMountOptions":"","limitAggregateUsage":"","defaults":{"spaceReserve":"none","snapshotPolicy":"none","snapshotReserve":"","snapshotDir":"false","unixPermissions":"---rwxrwxrwx","exportPolicy":"default","securityStyle":"unix","splitOnClone":"false","fileSystemType":"ext4","encryption":"false","size":"1G"}},"storage":{"aggr1":{"name":"aggr1","storageClasses":["cluster1-economy"],"storageAttributes":{"backendType":{"offer":["ontap-nas-economy"]},"clones":{"offer":false},"encryption":{"offer":true},"media":{"offer":["hdd"]},"provisioningType":{"offer":["thick","thin"]},"snapshots":{"offer":false}}}},"state":"online","online":true,"volumes":["default-test-economy-2f20e"]}}

================================================================================
--------------------------------------------------------------------------------
Request Method: GET
Request URL: http://127.0.0.1:8000/trident/v1/backend/cluster1
Request headers: map[Content-Type:[application/json]]
Request body: 
................................................................................
Response status: 200 OK
Response headers: map[Content-Type:[application/json; charset=UTF-8] Date:[Wed, 29 May 2019 12:32:36 GMT] Content-Length:[1217]]
Response body: {"backend":{"name":"cluster1","protocol":"file","config":{"version":1,"storageDriverName":"ontap-nas","backendName":"cluster1","debug":false,"debugTraceFlags":null,"disableDelete":false,"storagePrefix":"rancher","serialNumbers":["4082368-51-1"],"limitVolumeSize":"","managementLIF":"cluster1.lab.tynsoe.org","dataLIF":"10.1.1.100","igroupName":"","svm":"docker","username":"","password":"","aggregate":"","usageHeartbeat":"","qtreePruneFlexvolsPeriod":"","qtreeQuotaResizePeriod":"","nfsMountOptions":"","limitAggregateUsage":"","defaults":{"spaceReserve":"none","snapshotPolicy":"8daily","snapshotReserve":"","snapshotDir":"false","unixPermissions":"---rwxrwxrwx","exportPolicy":"default","securityStyle":"unix","splitOnClone":"false","fileSystemType":"ext4","encryption":"false","size":"1G"}},"storage":{"aggr1":{"name":"aggr1","storageClasses":[],"storageAttributes":{"backendType":{"offer":["ontap-nas"]},"clones":{"offer":true},"encryption":{"offer":true},"media":{"offer":["hdd"]},"provisioningType":{"offer":["thick","thin"]},"snapshots":{"offer":true}}}},"state":"","online":true,"volumes":["monitoring-graphite-storage-graphite-0-ac97c","monitoring-influxdb-lib-7a5df","monitoring-graphite-storage-46860"]}}

================================================================================
--------------------------------------------------------------------------------
Request Method: GET
Request URL: http://127.0.0.1:8000/trident/v1/backend/
Request headers: map[Content-Type:[application/json]]
Request body: 
................................................................................
Response status: 200 OK
Response headers: map[Content-Type:[application/json; charset=UTF-8] Date:[Wed, 29 May 2019 12:32:36 GMT] Content-Length:[45]]
Response body: {"backends":["cluster1","","ontap-economy"]}

================================================================================
+---------------+-------------------+---------+---------+
|     NAME      |  STORAGE DRIVER   |  STATE  | VOLUMES |
+---------------+-------------------+---------+---------+
| ontap-economy | ontap-nas-economy | online  |       1 |
| cluster1      | ontap-nas         | unknown |       3 |
+---------------+-------------------+---------+---------+