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AzureHelper.cs
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AzureHelper.cs
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using System;
using System.IO;
using System.Text;
using Azure;
using Azure.Storage.Files.Shares;
using Azure.Storage.Files.Shares.Models;
using Microsoft.Azure.Management;
using Microsoft.Azure.Management.Fluent;
using Microsoft.Azure.Management.ResourceManager.Fluent;
namespace Function
{
public static class AzureHelper
{
private static IAzure azure;
private static bool azureAuthenticated;
public static string resourceGroupName = "byforby"; // change this when migrating code
public static IAzure AuthenticateAzure()
{
var clientId = Environment.GetEnvironmentVariable("AZURE_CLIENT_ID");
var clientSecret = Environment.GetEnvironmentVariable("AZURE_CLIENT_SECRET");
var tenantId = Environment.GetEnvironmentVariable("AZURE_TENANT_ID");
var subscription = Environment.GetEnvironmentVariable("AZURE_SUBSCRIPTION_ID");
var credentials = SdkContext.AzureCredentialsFactory.FromServicePrincipal(clientId, clientSecret, tenantId, AzureEnvironment.AzureGlobalCloud);
azure = Microsoft.Azure.Management.Fluent.Azure.Configure()
.Authenticate(credentials)
.WithSubscription(subscription);
azureAuthenticated = true;
return azure;
}
public static bool AddTextDnsRecord(string domain, string dnsAddr, string dnsTxt)
{
if (!azureAuthenticated)
return false;
try
{
var dnsZone = azure.DnsZones.GetByResourceGroup(resourceGroupName, domain);
dnsZone.Update()
.DefineTxtRecordSet(dnsAddr)
.WithText(dnsTxt)
.WithTimeToLive(1)
.Attach()
.Apply();
return true;
}
catch (Exception _)
{
// Log Ex.Message here
return false;
}
}
public static bool RemoveTextDnsRecord(string domain, string dnsAddr)
{
if (!azureAuthenticated)
return false;
try
{
var dnsZone = azure.DnsZones.GetByResourceGroup(resourceGroupName, domain);
dnsZone.Update()
.WithoutTxtRecordSet(dnsAddr)
.Apply();
return true;
}
catch (Exception _)
{
// Log Ex.Message here
return false;
}
}
public static bool WriteStringToAzureFileShare(string storageConnString, string shareName, string fileName, string content)
{
if (!azureAuthenticated)
return false;
try
{
ShareClient share = new ShareClient(storageConnString, shareName);
ShareDirectoryClient directory = share.GetRootDirectoryClient();
directory.DeleteFile(fileName);
ShareFileClient file = directory.GetFileClient(fileName);
byte[] byteArray = Encoding.UTF8.GetBytes(content);
using (MemoryStream stream = new MemoryStream(byteArray))
{
file.Create(stream.Length);
file.UploadRange(
new HttpRange(0, stream.Length),
stream);
}
return true;
}
catch (Exception _)
{
// Log Ex.Message here
return false;
}
}
public static IContainerGroup DefineContainerGroup(IAzure azure, string containerGroupName, string azureRegion, string resourceGroupName, string registryUrl, string registryUserName, string registryPassword, string image, string dnsLabel)
{
var storageAccName = Environment.GetEnvironmentVariable("STORAGE_ACC_NAME");
var storageAccKey = Environment.GetEnvironmentVariable("STORAGE_ACC_KEY");
return azure.ContainerGroups.Define(containerGroupName)
.WithRegion(azureRegion)
.WithExistingResourceGroup(resourceGroupName)
.WithLinux()
.WithPrivateImageRegistry(registryUrl, registryUserName, registryPassword)
.DefineVolume("nginx-config")
.WithExistingReadWriteAzureFileShare("nginx-volume")
.WithStorageAccountName(storageAccName)
.WithStorageAccountKey(storageAccKey)
.Attach()
.DefineContainerInstance("nginx")
.WithImage("nginx")
.WithExternalTcpPort(443)
.WithCpuCoreCount(1.0)
.WithMemorySizeInGB(1.5)
.WithReadOnlyVolumeMountSetting("nginx-config", "/etc/nginx")
.Attach()
.DefineContainerInstance(containerGroupName)
.WithImage(image)
.WithExternalTcpPort(80)
.WithCpuCoreCount(1.0)
.WithMemorySizeInGB(1)
.Attach()
.WithDnsPrefix(dnsLabel)
.Create();
}
}
}