Merge pull request #10 from wdurairaj/wdurairaj-csi-spec-multiple-tar…

…get-iqn

publish volume changes for multiple target IQN

spec.md

@@ -355,7 +355,7 @@ PUT `/containers/v1/volumes/{id}/actions/publish`
 }
 ```
 
-#### Response
+#### Response for single target IQN
 ```json
 {
     "data": {
@@ -365,11 +365,27 @@ PUT `/containers/v1/volumes/{id}/actions/publish`
         ],
         "lun_id": 0,
         "serial_number": "4349bd228896f1236c9ce9006592f26f",
-        "target_name": "iqn.2007-11.com.nimblestorage:group-array1-g3b5de80e54af7a6b"
+        "target_names": ["iqn.2007-11.com.nimblestorage:group-array1-g3b5de80e54af7a6b"]
     }
 }
 ```
  * Note that `chap_user` and `chap_password` must also be part of the response if CHAP details were provided as part of the Node definition.
+ * `target_names`  should be returned as an array of target IQNs from CSP and converted to CSV format by CSI driver.
+
+ #### Response for multiple target IQNs
+```json
+{
+    "data": {
+        "access_protocol": "iscsi",
+        "discovery_ips": [
+            "172.89.82.10"
+        ],
+        "lun_id": 0,
+        "serial_number": "4349bd228896f1236c9ce9006592f26f",
+        "target_names": ["iqn.2000-05.com.3pardata:21210002ac01db31,iqn.2000-05.com.3pardata:21220002ac01db31"]
+    }
+}
+```
 
 #### Request for fc access
 ```json
@@ -639,7 +655,7 @@ This endpoint is used to manage the creation and deletion of snapshot groups tha
 | | serial_number | string | X | | X |
 | | access_protocol | string | X | | X |
 | | lun_id | number | X | | X |
-| | target_name | string | only for iscsi | | X |
+| | target_names | list\<string\> | only for iscsi | | X |
 | | discovery_ips | list\<string\> | only for iscsi | | X |
 | UnpublishOptions | | | | | |
 | | host_uuid | string | X | X | |