Set publicNetworkAccess to read only in MySQL Flexible Server swagger (Azure#10738)

Author: Suna-MS

specification/mysql/resource-manager/Microsoft.DBforMySQL/preview/2020-07-01-privatepreview/examples/ServerCreate.json

@@ -10,7 +10,6 @@
         "administratorLogin": "cloudsa",
         "administratorLoginPassword": "pass$w0rd",
         "sslEnforcement": "Enabled",
-        "publicNetworkAccess": "Enabled",
         "storageProfile": {
           "storageMB": 128000,
           "storageIops": 200,

specification/mysql/resource-manager/Microsoft.DBforMySQL/preview/2020-07-01-privatepreview/examples/ServerGet.json

@@ -31,7 +31,7 @@
           "haEnabled": "Enabled",
           "haState": "Healthy",
           "availabilityZone": "1",
-          "standByAvailabilityZone": "2",
+          "standbyAvailabilityZone": "2",
           "maintenanceWindow": {
             "dayOfWeek": 0,
             "startHour": 0,

specification/mysql/resource-manager/Microsoft.DBforMySQL/preview/2020-07-01-privatepreview/examples/ServerGetWithVnet.json

@@ -26,7 +26,7 @@
           "replicationRole": "None",
           "sourceServerId": "",
           "replicaCapacity": 5,
-          "publicNetworkAccess": "Enabled",
+          "publicNetworkAccess": "Disabled",
           "haEnabled": "Disabled",
           "delegatedSubnetArguments": {
             "subnetArmResourceId": "/subscriptions/ffffffff-ffff-ffff-ffff-ffffffffffff/resourceGroups/testrg/providers/Microsoft.Network/virtualNetworks/test-vnet/subnets/test-vnet-subnet"

specification/mysql/resource-manager/Microsoft.DBforMySQL/preview/2020-07-01-privatepreview/examples/ServerUpdate.json

@@ -7,8 +7,7 @@
     "parameters": {
       "properties": {
         "administratorLoginPassword": "newpa$$w0rd",
-        "sslEnforcement": "Disabled",
-        "publicNetworkAccess": "Disabled"
+        "sslEnforcement": "Disabled"
       }
     }
   },
@@ -27,13 +26,13 @@
           },
           "version": "5.7",
           "sslEnforcement": "Disabled",
-          "publicNetworkAccess": "Disabled",
+          "publicNetworkAccess": "Enabled",
           "state": "Ready",
           "fullyQualifiedDomainName": "mysqltestsvc4.mysql.database.azure.com",
           "haEnabled": "Enabled",
           "haState": "Healthy",
           "availabilityZone": "1",
-          "standByAvailabilityZone": "2",
+          "standbyAvailabilityZone": "2",
           "maintenanceWindow": {
             "dayOfWeek": 0,
             "startHour": 0,

specification/mysql/resource-manager/Microsoft.DBforMySQL/preview/2020-07-01-privatepreview/examples/ServerUpdateWithCustomerMaintenanceWindow.json

@@ -30,13 +30,13 @@
           },
           "version": "5.7",
           "sslEnforcement": "Disabled",
-          "publicNetworkAccess": "Disabled",
+          "publicNetworkAccess": "Enabled",
           "state": "Ready",
           "fullyQualifiedDomainName": "mysqltestsvc4.mysql.database.azure.com",
           "haEnabled": "Disabled",
           "haState": "NotEnabled",
           "availabilityZone": "1",
-          "standByAvailabilityZone": null,
+          "standbyAvailabilityZone": null,
           "maintenanceWindow": {
             "dayOfWeek": 0,
             "startHour": 8,

specification/mysql/resource-manager/Microsoft.DBforMySQL/preview/2020-07-01-privatepreview/mysql.json

@@ -1645,6 +1645,7 @@
         "earliestRestoreDate": {
           "type": "string",
           "format": "date-time",
+          "readOnly": true,
           "description": "Earliest restore point creation time (ISO8601 format)"
         },
         "storageProfile": {
@@ -1659,10 +1660,12 @@
           "type": "integer",
           "format": "int32",
           "minimum": 0,
+          "readOnly": true,
           "description": "The maximum number of replicas that a primary server can have."
         },
         "publicNetworkAccess": {
           "$ref": "#/definitions/PublicNetworkAccess",
+          "readOnly": true,
           "description": "Whether or not public network access is allowed for this server. Value is optional but if passed in, must be 'Enabled' or 'Disabled'"
         },
         "maintenanceWindow": {
@@ -1689,7 +1692,7 @@
           "type": "string",
           "description": "availability Zone information of the server."
         },
-        "standByAvailabilityZone": {
+        "standbyAvailabilityZone": {
           "type": "string",
           "description": "availability Zone information of the server.",
           "readOnly": true
@@ -1776,10 +1779,6 @@
           "$ref": "#/definitions/HaEnabled",
           "description": "Enable HA or not for a server."
         },
-        "publicNetworkAccess": {
-          "$ref": "#/definitions/PublicNetworkAccess",
-          "description": "Whether or not public network access is allowed for this server. Value is optional but if passed in, must be 'Enabled' or 'Disabled'"
-        },
         "maintenanceWindow": {
           "$ref": "#/definitions/MaintenanceWindow",
           "description": "Maintenance window of a server."