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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Azure;
using Microsoft.Azure.Management.AppService.Fluent;
using Microsoft.Azure.Management.Fluent;
using Microsoft.Azure.Management.RecoveryServices.Backup;
using Microsoft.Azure.Management.Sql.Fluent.Models;
using Microsoft.WindowsAzure.Storage;
using Tango.AzureUtils.ActiveDirectory;
using Tango.AzureUtils.Deployment;
using Tango.BL;
using Tango.Core;
using Tango.Core.DB;
namespace Tango.AzureUtils.Environment
{
public class EnvironmentManager : AzureUtilsComponentBase
{
private ActiveDirectoryManager _adManager;
private DeploymentManager _deploymentManager;
public EnvironmentManager(IAzure azure) : base(azure)
{
_adManager = new ActiveDirectoryManager(azure, AzureUtilsAuthenticationFactory.GetCredentials());
_adManager.ConfirmationRequired += (x, e) => OnRequestConfirmation(e);
_adManager.Progress += (x, e) => OnProgress(e);
_deploymentManager = new DeploymentManager(azure);
_deploymentManager.ConfirmationRequired += (x, e) => OnRequestConfirmation(e);
_deploymentManager.Progress += (x, e) => OnProgress(e);
}
#region Deployment Slots
public async Task<IDeploymentSlot> CreateDeploymentSlot(IWebApp app, IDeploymentSlot sourceSlot, String name, String adEmail, String adPassword)
{
String dbCatalog = $"Tango_{name}";
String machineStudioContainerName = $"machine-studio-versions-{name.ToLower()}";
String ppcContainerName = $"tango-versions-{name.ToLower()}";
String machineServiceBackupsContainerName = $"machine-service-backups-{name.ToLower()}";
String machineServiceLogsContainerName = $"machine-service-logs-{name.ToLower()}";
String environmentGroupName = $"Tango {name}";
String slotName = app.Name + "-" + name;
OnProgress(AzureUtilsStage.Initializing, $"Retrieving '{sourceSlot.Name}' settings...");
var settings = await sourceSlot.GetMachineServiceSettingsAsync();
OnProgress(AzureUtilsStage.EnvironmentGroup, $"Authenticating with active directory graph...");
await _adManager.Authenticate(adEmail, adPassword);
if (!await _adManager.IsGroupExists(environmentGroupName))
{
OnProgress(AzureUtilsStage.EnvironmentGroup, $"Creating environment group '{environmentGroupName}'...");
await _adManager.AddGroup(environmentGroupName);
OnProgress(AzureUtilsStage.EnvironmentGroup, $"Adding environment group user '{adEmail}'...");
await _adManager.AddUserToGroup(environmentGroupName, adEmail);
}
else
{
await RequestConfirmation($"Environment group '{environmentGroupName}' already exists. Do you wish to continue?");
}
OnProgress(AzureUtilsStage.DeploymentSlot, $"Checking '{app.Name}' deployment slots...");
IDeploymentSlot slot = (await app.DeploymentSlots.ListAsync()).ToList().SingleOrDefault(x => x.Name == slotName);
if (slot == null)
{
//Add Slot
OnProgress(AzureUtilsStage.DeploymentSlot, $"Creating new deployment slot '{slotName}'...");
var dictionary = new Dictionary<string, string>();
dictionary.Add(nameof(MachineServiceSettings.DB_ADDRESS), settings.DB_ADDRESS);
dictionary.Add(nameof(MachineServiceSettings.DB_CATALOG), dbCatalog);
dictionary.Add(nameof(MachineServiceSettings.DB_PASSWORD), settings.DB_PASSWORD);
dictionary.Add(nameof(MachineServiceSettings.DB_USER_NAME), settings.DB_USER_NAME);
dictionary.Add(nameof(MachineServiceSettings.DEPLOYMENT_SLOT), name);
dictionary.Add(nameof(MachineServiceSettings.ENFORCE_MACHINE_STUDIO_VERSION), settings.ENFORCE_MACHINE_STUDIO_VERSION);
dictionary.Add(nameof(MachineServiceSettings.ENVIRONMENT_GROUP), environmentGroupName);
dictionary.Add(nameof(MachineServiceSettings.STORAGE_ACCOUNT), settings.STORAGE_ACCOUNT);
dictionary.Add(nameof(MachineServiceSettings.MACHINE_STUDIO_VERSIONS_CONTAINER), machineStudioContainerName);
dictionary.Add(nameof(MachineServiceSettings.TANGO_VERSIONS_CONTAINER), ppcContainerName);
slot = await app.DeploymentSlots
.Define(slotName)
.WithBrandNewConfiguration()
.WithWebAppAlwaysOn(true)
.WithWebSocketsEnabled(true)
.WithStickyAppSettings(dictionary)
.WithStickyConnectionString(dbCatalog, $"Server=tcp:twine.database.windows.net,1433;Initial Catalog={dbCatalog};Persist Security Info=False;User ID=BackupUser;Password=Aa123456;MultipleActiveResultSets=False;Encrypt=True;TrustServerCertificate=False;Connection Timeout=30;", Microsoft.Azure.Management.AppService.Fluent.Models.ConnectionStringType.SQLAzure)
.CreateAsync();
}
else
{
await RequestConfirmation($"Deployment slot '{slotName}' already exists. Do you wish to continue.");
}
//Add Database
OnProgress(AzureUtilsStage.Database, $"Checking twine database server...");
var sqlServer = (await Azure.SqlServers.ListAsync()).SingleOrDefault(x => x.Name == "twine");
var existingDatabase = (await sqlServer.Databases.ListAsync()).SingleOrDefault(x => x.Name == dbCatalog);
if (existingDatabase == null)
{
OnProgress(AzureUtilsStage.Database, $"Creating new database '{dbCatalog}'...");
var database = await sqlServer.Databases.Define(dbCatalog).WithEdition(DatabaseEdition.Standard).CreateAsync();
}
else
{
await RequestConfirmation($"Database '{dbCatalog}' already exists. Do you wish to continue?");
}
//Add permissions for environment group on database
OnProgress(AzureUtilsStage.Database, $"Adding environment group permissions on '{dbCatalog}'...");
using (DbManager db = DbManager.FromDataSource(new DataSource()
{
Type = DataSourceType.Azure,
Address = settings.DB_ADDRESS,
Catalog = dbCatalog,
UserName = adEmail,
Password = adPassword,
IntegratedSecurity = false
}))
{
try
{
await db.ExecuteCommandAsync($"CREATE USER [{environmentGroupName}] FROM EXTERNAL PROVIDER");
await db.ExecuteCommandAsync($"ALTER ROLE db_datareader ADD MEMBER [{environmentGroupName}];");
await db.ExecuteCommandAsync($"ALTER ROLE db_datawriter ADD MEMBER [{environmentGroupName}];");
}
catch (Exception ex)
{
await RequestConfirmation($"Error creating/adding permissions for environment group '{environmentGroupName}' on database.\n{ex.FlattenMessage()}\n\nDo you wish to continue?");
}
}
OnProgress(AzureUtilsStage.Database, $"Adding BackupUser permissions on '{dbCatalog}'...");
//Create backup user
using (DbManager db = DbManager.FromCredentials(settings.DB_ADDRESS, dbCatalog, settings.DB_USER_NAME, settings.DB_PASSWORD))
{
try
{
await db.ExecuteCommandAsync("CREATE USER [BackupUser] FOR LOGIN [BackupUser] WITH DEFAULT_SCHEMA=[dbo]");
await db.ExecuteCommandAsync("EXEC sp_addrolemember N'db_owner', N'BackupUser'");
await db.ExecuteCommandAsync("EXEC sp_addrolemember N'db_accessadmin', N'BackupUser'");
await db.ExecuteCommandAsync("EXEC sp_addrolemember N'db_securityadmin', N'BackupUser'");
await db.ExecuteCommandAsync("EXEC sp_addrolemember N'db_backupoperator', N'BackupUser'");
await db.ExecuteCommandAsync("EXEC sp_addrolemember N'db_datareader', N'BackupUser'");
await db.ExecuteCommandAsync("EXEC sp_addrolemember N'db_datawriter', N'BackupUser'");
}
catch (Exception ex)
{
await RequestConfirmation($"Error creating/adding permissions for BackupUser on database.\n{ex.FlattenMessage()}\n\nDo you wish to continue?");
}
}
//Synchronize Schema
//await _deploymentManager.OpenSQLExaminerSchema(sourceSlot, slot);
//await RequestConfirmation($"Please synchronize the database schema between '{settings.DB_CATALOG}' and '{dbCatalog}'.\nPlease confirm in order to continue.");
//OnProgress(AzureUtilsStage.Database, $"Waiting for database schema synchronization...");
//await _deploymentManager.OpenSQLExaminerData(sourceSlot, slot, true);
//await RequestConfirmation($"Please synchronize the database static collections between '{settings.DB_CATALOG}' and '{dbCatalog}'.\nPlease confirm in order to continue.");
//OnProgress(AzureUtilsStage.Database, $"Waiting for database static collections synchronization...");
//OnProgress(AzureUtilsStage.Database, $"Retrieving latest Machine Studio version...");
//var latestMsVersion = await _deploymentManager.GetLatestMachineStudioVersion(sourceSlot);
//OnProgress(AzureUtilsStage.Database, $"Retrieving latest PPC version...");
//var latestPPCVersion = await _deploymentManager.GetLatestPPCVersion(sourceSlot);
//var targetSettings = await slot.GetMachineServiceSettingsAsync();
//using (ObservablesContext db = ObservablesContext.CreateDefault(targetSettings.ToDataSource()))
//{
// db.MachineStudioVersions.Add(latestMsVersion);
// db.TangoVersions.Add(latestPPCVersion);
//}
//Add Storage Containers
OnProgress(AzureUtilsStage.Storage, $"Connecting to storage account...");
var targetAccount = CloudStorageAccount.Parse(settings.STORAGE_ACCOUNT);
var targetClient = targetAccount.CreateCloudBlobClient();
OnProgress(AzureUtilsStage.Storage, $"Creating storage container '{machineStudioContainerName}'...");
var machineStudioContainer = targetClient.GetContainerReference(machineStudioContainerName);
await machineStudioContainer.CreateIfNotExistsAsync();
OnProgress(AzureUtilsStage.Storage, $"Creating storage container '{ppcContainerName}'...");
var ppcContainer = targetClient.GetContainerReference(ppcContainerName);
await ppcContainer.CreateIfNotExistsAsync();
OnProgress(AzureUtilsStage.Storage, $"Creating storage container '{machineServiceBackupsContainerName}'...");
var machineServiceBackupsContainer = targetClient.GetContainerReference(machineServiceBackupsContainerName);
await machineServiceBackupsContainer.CreateIfNotExistsAsync();
OnProgress(AzureUtilsStage.Storage, $"Creating storage container '{machineServiceLogsContainerName}'...");
var machineServiceLogsContainer = targetClient.GetContainerReference(machineServiceLogsContainerName);
await machineServiceLogsContainer.CreateIfNotExistsAsync();
_deploymentManager.UpgradeConfiguration.UpgradeMachineService = true;
_deploymentManager.UpgradeConfiguration.UpgradeMachineStudio = true;
_deploymentManager.UpgradeConfiguration.UpgradePPC = true;
await _deploymentManager.PerformFullUpgrade(sourceSlot, slot);
OnProgress(AzureUtilsStage.Ready, "Deployment slot created successfully.", 0, 100, false);
return slot;
}
#endregion
}
}
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