/// <summary>
/// Publishes the ASP.NET Core app using the <paramref name="options"/> to produce the right deployment
/// and service (if needed).
/// </summary>
/// <param name="projectPath">The full path to the project.json file of the startup project.</param>
/// <param name="options">The options to use for the deployment.</param>
/// <param name="progress">The progress interface for progress notifications.</param>
/// <param name="outputAction">The output callback to invoke for output from the process.</param>
/// <returns>Returns a <seealso cref="GkeDeploymentResult"/> if the deployment succeeded null otherwise.</returns>
public static async Task <GkeDeploymentResult> PublishProjectAsync(
string projectPath,
DeploymentOptions options,
IProgress <double> progress,
Action <string> outputAction)
{
if (!File.Exists(projectPath))
{
Debug.WriteLine($"Cannot find {projectPath}, not a valid project.");
return(null);
}
var stageDirectory = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
Directory.CreateDirectory(stageDirectory);
progress.Report(0.1);
using (var cleanup = new Disposable(() => CommonUtils.Cleanup(stageDirectory)))
{
var appRootPath = Path.Combine(stageDirectory, "app");
var buildFilePath = Path.Combine(stageDirectory, "cloudbuild.yaml");
if (!await ProgressHelper.UpdateProgress(
NetCoreAppUtils.CreateAppBundleAsync(projectPath, appRootPath, outputAction),
progress,
from: 0.1, to: 0.3))
{
Debug.WriteLine("Failed to create app bundle.");
return(null);
}
NetCoreAppUtils.CopyOrCreateDockerfile(projectPath, appRootPath);
var image = CloudBuilderUtils.CreateBuildFile(
project: options.GCloudContext.ProjectId,
imageName: options.DeploymentName,
imageVersion: options.DeploymentVersion,
buildFilePath: buildFilePath);
if (!await ProgressHelper.UpdateProgress(
GCloudWrapper.BuildContainerAsync(buildFilePath, appRootPath, outputAction, options.GCloudContext),
progress,
from: 0.4, to: 0.7))
{
Debug.WriteLine("Failed to build container.");
return(null);
}
progress.Report(0.7);
string publicIpAddress = null;
string clusterIpAddress = null;
bool deploymentUpdated = false;
bool deploymentScaled = false;
bool serviceExposed = false;
bool serviceUpdated = false;
bool serviceDeleted = false;
// Create or update the deployment.
var deployments = await KubectlWrapper.GetDeploymentsAsync(options.KubectlContext);
var deployment = deployments?.FirstOrDefault(x => x.Metadata.Name == options.DeploymentName);
if (deployment == null)
{
Debug.WriteLine($"Creating new deployment {options.DeploymentName}");
if (!await KubectlWrapper.CreateDeploymentAsync(
name: options.DeploymentName,
imageTag: image,
replicas: options.Replicas,
outputAction: outputAction,
context: options.KubectlContext))
{
Debug.WriteLine($"Failed to create deployment {options.DeploymentName}");
return(null);
}
progress.Report(0.8);
}
else
{
Debug.WriteLine($"Updating existing deployment {options.DeploymentName}");
if (!await KubectlWrapper.UpdateDeploymentImageAsync(
options.DeploymentName,
image,
outputAction,
options.KubectlContext))
{
Debug.WriteLine($"Failed to update deployemnt {options.DeploymentName}");
return(null);
}
deploymentUpdated = true;
// If the deployment already exists but the replicas number requested is not the
// same as the existing number we will scale up/down the deployment.
if (deployment.Spec.Replicas != options.Replicas)
{
Debug.WriteLine($"Updating the replicas for the deployment.");
if (!await KubectlWrapper.ScaleDeploymentAsync(
options.DeploymentName,
options.Replicas,
outputAction,
options.KubectlContext))
{
Debug.WriteLine($"Failed to scale up deployment {options.DeploymentName}");
return(null);
}
deploymentScaled = true;
}
}
// Expose the service if requested and it is not already exposed.
var services = await KubectlWrapper.GetServicesAsync(options.KubectlContext);
var service = services?.FirstOrDefault(x => x.Metadata.Name == options.DeploymentName);
if (options.ExposeService)
{
var requestedType = options.ExposePublicService ?
GkeServiceSpec.LoadBalancerType : GkeServiceSpec.ClusterIpType;
if (service != null && service?.Spec?.Type != requestedType)
{
Debug.WriteLine($"The existing service is {service?.Spec?.Type} the requested is {requestedType}");
if (!await KubectlWrapper.DeleteServiceAsync(options.DeploymentName, outputAction, options.KubectlContext))
{
Debug.WriteLine($"Failed to delete serive {options.DeploymentName}");
}
service = null; // Now the service is gone, needs to be re-created with the new options.
serviceUpdated = true;
}
if (service == null)
{
// The service needs to be exposed but it wasn't. Expose a new service here.
if (!await KubectlWrapper.ExposeServiceAsync(
options.DeploymentName,
options.ExposePublicService,
outputAction,
options.KubectlContext))
{
Debug.WriteLine($"Failed to expose service {options.DeploymentName}");
return(null);
}
clusterIpAddress = await WaitForServiceClusterIpAddressAsync(options.DeploymentName, options.KubectlContext);
if (options.ExposePublicService)
{
publicIpAddress = await WaitForServicePublicIpAddressAsync(
options.DeploymentName,
options.WaitingForServiceIpCallback,
options.KubectlContext);
}
serviceExposed = true;
}
}
else
{
// The user doesn't want a service exposed.
if (service != null)
{
if (!await KubectlWrapper.DeleteServiceAsync(options.DeploymentName, outputAction, options.KubectlContext))
{
Debug.WriteLine($"Failed to delete service {options.DeploymentName}");
return(null);
}
}
serviceDeleted = true;
}
return(new GkeDeploymentResult(
publicIpAddress: publicIpAddress,
privateIpAddress: clusterIpAddress,
serviceExposed: serviceExposed,
serviceUpdated: serviceUpdated,
serviceDeleted: serviceDeleted,
deploymentUpdated: deploymentUpdated,
deploymentScaled: deploymentScaled));
}
}
/// <summary>
/// Publishes the ASP.NET Core project to App Engine Flex.
/// </summary>
/// <param name="project">The project to deploy.</param>
/// <param name="options">The <seealso cref="DeploymentOptions"/> to use.</param>
/// <param name="progress">The progress indicator.</param>
/// <param name="toolsPathProvider">The tools path provider to use.</param>
/// <param name="outputAction">The action to call with lines from the command output.</param>
public static async Task <AppEngineFlexDeploymentResult> PublishProjectAsync(
IParsedProject project,
DeploymentOptions options,
IProgress <double> progress,
IToolsPathProvider toolsPathProvider,
Action <string> outputAction)
{
var stageDirectory = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
Directory.CreateDirectory(stageDirectory);
progress.Report(0.1);
using (var cleanup = new Disposable(() => CommonUtils.Cleanup(stageDirectory)))
{
// Wait for the bundle creation operation to finish, updating progress as it goes.
if (!await ProgressHelper.UpdateProgress(
NetCoreAppUtils.CreateAppBundleAsync(project, stageDirectory, toolsPathProvider, outputAction),
progress,
from: 0.1, to: 0.3))
{
Debug.WriteLine("Failed to create app bundle.");
return(null);
}
var runtime = GetAppEngineRuntime(project);
CopyOrCreateAppYaml(project, stageDirectory);
if (runtime == CustomRuntime)
{
Debug.WriteLine($"Copying Docker file to {stageDirectory} with custom runtime.");
NetCoreAppUtils.CopyOrCreateDockerfile(project, stageDirectory);
}
else
{
Debug.WriteLine($"Detected runtime {runtime}");
}
progress.Report(0.4);
// Deploy to app engine, this is where most of the time is going to be spent. Wait for
// the operation to finish, update the progress as it goes.
var effectiveVersion = options.Version ?? GetDefaultVersion();
var deployTask = DeployAppBundleAsync(
stageDirectory: stageDirectory,
version: effectiveVersion,
promote: options.Promote,
context: options.Context,
outputAction: outputAction);
if (!await ProgressHelper.UpdateProgress(deployTask, progress, 0.6, 0.9))
{
Debug.WriteLine("Failed to deploy bundle.");
return(null);
}
progress.Report(1.0);
var service = GetAppEngineService(project);
return(new AppEngineFlexDeploymentResult(
projectId: options.Context.ProjectId,
service: service,
version: effectiveVersion,
promoted: options.Promote));
}
}