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enter image description here

I'm trying to set Use in virtual machine creation and Allow public IP creation to Yes programmatically. I found the right method, here's my code for that:

var fragment = new VirtualNetworkFragment(
    subnetOverrides: virtualNetwork.Subnets.Select(s =>
        new SubnetOverrideFragment(
            labSubnetName: s.Key,
            resourceId: s.Value.Inner.Id,
            useInVmCreationPermission: "Allow",
            usePublicIpAddressPermission: "Allow")).ToList());

var vnet = await BaseClientFactory.CreateDevTestLabClient(azureClient)
    .VirtualNetworks
    .UpdateWithHttpMessagesAsync(dbLab.ResourceGroupName, dbLab.LabId.ToString(), virtualNetworkId, fragment);

Unfortunately the code doesn't work but it doesn't throw any exception, either. When I serialize fragment variable to compare it with the request that's sent when doing this manually on Azure, there is a small difference.

Here is how the body looks like in the code when it's serialized using NewtonsoftJson (I took it from the Watch window): enter image description here

Here is how the body looks like when sent via Azure: enter image description here

The only two changes is that my code generates a request where allowedSubnets are null and (more importantly, I reckon) the structure differs a little in the way that my code generates properties.subnetOverrides instead of a proper json structure. I'm not sure if this is a bug or I'm doing something wrong - any ideas?

Aranha
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1 Answers1

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According to my research, the update action just can be used to modify tags of virtual networks and all other properties will be ignored. If you want to modify the properties of virtual networks, please use Create Or Update action. Regarding how to implement with c# sdk Microsoft.Azure.Management.DevTestLabs, please refer to the following steps

  1. Create a service principal and assign role to the sp

  2. Code

            string clientId = " sp appId";
            string clientSecret = "sp password";
            string tenantId = "";
            string subscriptionId = "";
            var credentials = SdkContext.AzureCredentialsFactory
                .FromServicePrincipal(clientId,
                    clientSecret,
                    tenantId,
                    AzureEnvironment.AzureGlobalCloud);

            DevTestLabsClient client = new DevTestLabsClient(credentials);
            client.SubscriptionId = subscriptionId;
            VirtualNetwork vnet = await client.VirtualNetworks.GetAsync("testdevlab", "test", "Dtltest");
             // modify the vent's properties 
             vnet.SubnetOverrides = vnet.SubnetOverrides.Select(s => { s.UseInVmCreationPermission = "Allow"; s.UsePublicIpAddressPermission = "Allow"; return s; }).ToList();
            //update vnet
            var res =await client.VirtualNetworks.CreateOrUpdateAsync("testdevlab", "test", "Dtltest", vnet);

Before running code enter image description here

After running code enter image description here

Jim Xu
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  • I've tried that method, too, but the problem is that `SubnetOverrides` is null after fetching it with DevTestLabsClient. Any idea why? I can see there are subnets on the azure portal. `AllowedSubnets` are empty. – Aranha Jan 07 '21 at 08:53
  • It's okay, though, I just download the vnet with `IAzure` service and then seed `SubnetOverrides` with `Subnets` coming from `Microsoft.Azure.Management.Network.Fluent.NetworkImpl`. When I save it with the method you suggested, it works. Thanks ! – Aranha Jan 07 '21 at 09:23