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Sample1_ManagingDNSZones.md

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Example: Managing DNS zones

Note: Before getting started with the samples, go through the prerequisites.

Namespaces for this example:

using System;
using System.Threading.Tasks;
using Azure.Identity;
using Azure.ResourceManager.Dns;
using Azure.ResourceManager.Resources;
using NUnit.Framework;

When you first create your ARM client, choose the subscription you're going to work in. You can use the GetDefaultSubscription/GetDefaultSubscriptionAsync methods to return the default subscription configured for your user:

ArmClient armClient = new ArmClient(new DefaultAzureCredential());
SubscriptionResource subscription = armClient.GetDefaultSubscription();

This is a scoped operations object, and any operations you perform will be done under that subscription. From this object, you have access to all children via collection objects. Or you can access individual children by ID.

ArmClient armClient = new ArmClient(new DefaultAzureCredential());
SubscriptionResource subscription = await armClient.GetDefaultSubscriptionAsync();
ResourceGroupCollection rgCollection = subscription.GetResourceGroups();
// With the collection, we can create a new resource group with an specific name
string rgName = "myRgName";
AzureLocation location = AzureLocation.WestUS2;
ArmOperation<ResourceGroupResource> lro = await rgCollection.CreateOrUpdateAsync(WaitUntil.Completed, rgName, new ResourceGroupData(location));
ResourceGroupResource resourceGroup = lro.Value;

Now that we have the resource group created, we can manage the DNS Zones inside this resource group.

Create a DNS Zone

ArmClient armClient = new ArmClient(new DefaultAzureCredential());
SubscriptionResource subscription = await armClient.GetDefaultSubscriptionAsync();
// first we need to get the resource group
string rgName = "myRgName";
ResourceGroupResource resourceGroup = await subscription.GetResourceGroups().GetAsync(rgName);
// Now we get the DnsZone collection from the resource group
DnsZoneCollection dnsZoneCollection = resourceGroup.GetDnsZones();
// Use the same location as the resource group
string dnsZoneName = "sample.com";
DnsZoneData data = new DnsZoneData("Global")
{
};
ArmOperation<DnsZoneResource> lro = await dnsZoneCollection.CreateOrUpdateAsync(WaitUntil.Completed, dnsZoneName, data);
DnsZoneResource dnsZone = lro.Value;

List DNS Zones

ArmClient armClient = new ArmClient(new DefaultAzureCredential());
SubscriptionResource subscription = await armClient.GetDefaultSubscriptionAsync();
// first we need to get the resource group
string rgName = "myRgName";
ResourceGroupResource resourceGroup = await subscription.GetResourceGroups().GetAsync(rgName);
// Now we get the DnsZone collection from the resource group
DnsZoneCollection dnsZoneCollection = resourceGroup.GetDnsZones();
// With ListAsync(), we can get a list of the DnsZones
AsyncPageable<DnsZoneResource>  response = dnsZoneCollection.GetAllAsync();
await foreach (DnsZoneResource dnsZone in response)
{
    Console.WriteLine(dnsZone.Data.Name);
}

Delete DNS Zone

ArmClient armClient = new ArmClient(new DefaultAzureCredential());
SubscriptionResource subscription = await armClient.GetDefaultSubscriptionAsync();
// first we need to get the resource group
string rgName = "myRgName";
ResourceGroupResource resourceGroup = await subscription.GetResourceGroups().GetAsync(rgName);
// Now we get the DnsZone collection from the resource group
DnsZoneCollection dnsZoneCollection = resourceGroup.GetDnsZones();
string dnsZoneName = "sample.com";
DnsZoneResource dnsZone =await dnsZoneCollection.GetAsync(dnsZoneName);
await dnsZone.DeleteAsync(WaitUntil.Completed);

Next steps

Take a look at the Managing Record Set Ptrs samples.