Eventhub: Added APIs to 2018-01-01-preview API version (#11027)

* Added support for all API in 2018-preview version

* removed extra files

* fixed UNREFERENCED_JSON_FILE

* update

* prettier fix

Co-authored-by: v-ajnava <[email protected]>

specification/eventhub/resource-manager/Microsoft.EventHub/preview/2018-01-01-preview/CheckNameAvailability.json

@@ -0,0 +1,132 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "EventHubManagementClient",
+    "description": "Azure Event Hubs client",
+    "version": "2018-01-01-preview"
+  },
+  "host": "management.azure.com",
+  "schemes": [
+    "https"
+  ],
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "security": [
+    {
+      "azure_auth": [
+        "user_impersonation"
+      ]
+    }
+  ],
+  "securityDefinitions": {
+    "azure_auth": {
+      "type": "oauth2",
+      "authorizationUrl": "https://login.microsoftonline.com/common/oauth2/authorize",
+      "flow": "implicit",
+      "description": "Azure Active Directory OAuth2 Flow",
+      "scopes": {
+        "user_impersonation": "impersonate your user account"
+      }
+    }
+  },
+  "paths": {
+    "/subscriptions/{subscriptionId}/providers/Microsoft.EventHub/checkNameAvailability": {
+      "post": {
+        "tags": [
+          "CheckNameAvailability Namespaces"
+        ],
+        "operationId": "Namespaces_CheckNameAvailability",
+        "x-ms-examples": {
+          "NamespacesCheckNameAvailability": {
+            "$ref": "./examples/NameSpaces/EHNameSpaceCheckNameAvailability.json"
+          }
+        },
+        "description": "Check the give Namespace name availability.",
+        "parameters": [
+          {
+            "$ref": "../../../common/v1/definitions.json#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "../../../common/v1/definitions.json#/parameters/SubscriptionIdParameter"
+          },
+          {
+            "name": "parameters",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/CheckNameAvailabilityParameter"
+            },
+            "description": "Parameters to check availability of the given Namespace name"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "check availability returned successfully.",
+            "schema": {
+              "$ref": "#/definitions/CheckNameAvailabilityResult"
+            }
+          },
+          "default": {
+            "description": "Eventhub error response describing why the operation failed.",
+            "schema": {
+              "$ref": "../../../common/v1/definitions.json#/definitions/ErrorResponse"
+            }
+          }
+        }
+      }
+    }
+  },
+  "definitions": {
+    "UnavailableReason": {
+      "type": "string",
+      "enum": [
+        "None",
+        "InvalidName",
+        "SubscriptionIsDisabled",
+        "NameInUse",
+        "NameInLockdown",
+        "TooManyNamespaceInCurrentSubscription"
+      ],
+      "x-ms-enum": {
+        "name": "UnavailableReason",
+        "modelAsString": false
+      },
+      "description": "Specifies the reason for the unavailability of the service."
+    },
+    "CheckNameAvailabilityParameter": {
+      "properties": {
+        "name": {
+          "type": "string",
+          "description": "Name to check the namespace name availability"
+        }
+      },
+      "required": [
+        "name"
+      ],
+      "description": "Parameter supplied to check Namespace name availability operation "
+    },
+    "CheckNameAvailabilityResult": {
+      "properties": {
+        "message": {
+          "type": "string",
+          "readOnly": true,
+          "description": "The detailed info regarding the reason associated with the Namespace."
+        },
+        "nameAvailable": {
+          "type": "boolean",
+          "description": "Value indicating Namespace is availability, true if the Namespace is available; otherwise, false."
+        },
+        "reason": {
+          "$ref": "#/definitions/UnavailableReason",
+          "description": "The reason for unavailability of a Namespace."
+        }
+      },
+      "description": "The Result of the CheckNameAvailability operation"
+    }
+  },
+  "parameters": {}
+}