public async Task LoadAllFromFile()
{
var content = @"apiVersion: v1
kind: Pod
metadata:
name: foo
---
apiVersion: v1
kind: Namespace
metadata:
name: ns";
var tempFileName = Path.GetTempFileName();
try
{
await File.WriteAllTextAsync(tempFileName, content).ConfigureAwait(false);
var objs = await Yaml.LoadAllFromFileAsync(tempFileName).ConfigureAwait(false);
Assert.Equal(2, objs.Count);
Assert.IsType <V1Pod>(objs[0]);
Assert.IsType <V1Namespace>(objs[1]);
Assert.Equal("foo", ((V1Pod)objs[0]).Metadata.Name);
Assert.Equal("ns", ((V1Namespace)objs[1]).Metadata.Name);
}
finally
{
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
}
}
private async Task <(IngressData, List <Endpoints>)> GetKubernetesInfo(string name)
{
var typeMap = new Dictionary <string, Type>();
typeMap.Add("networking.k8s.io/v1/Ingress", typeof(V1Ingress));
typeMap.Add("v1/Endpoints", typeof(V1Endpoints));
var kubeObjects = await Yaml.LoadAllFromFileAsync(Path.Combine("testassets", name, "ingress.yaml"), typeMap).ConfigureAwait(false);
IngressData ingressData = default;
var endpointList = new List <Endpoints>();
foreach (var obj in kubeObjects)
{
if (obj is V1Ingress ingress)
{
ingressData = new IngressData(ingress);
}
else if (obj is V1Endpoints endpoints)
{
endpointList.Add(new Endpoints(endpoints));
}
}
return(ingressData, endpointList);
}
public async Task ShouldGenerateDeployment()
{
var deployment = (await Yaml.LoadAllFromFileAsync("./kustomize/templates/deployment.yaml")).First() as k8s.Models.V1Deployment;
deployment.Metadata.NamespaceProperty = _appGroup;
deployment.Metadata.Name = _appName;
deployment.Metadata.Labels["app"] = _appName;
deployment.Metadata.Labels["release"] = _release;
deployment.Metadata.Labels["group"] = _appGroup;
deployment.Spec.Selector.MatchLabels["app"] = _appName;
deployment.Spec.Selector.MatchLabels["group"] = _appGroup;
deployment.Spec.Template.Metadata.Labels["release"] = _release;
deployment.Spec.Template.Metadata.Labels["app"] = _appName;
var container = deployment.Spec.Template.Spec.Containers.First();
container.Name = _appName;
container.Image = _imageName;
var deploymentYaml = Yaml.SaveToString(deployment);
Assert.AreEqual(File.ReadAllText("./data/expected-deployment.yaml").SanitizeYamlForTests(), deploymentYaml.SanitizeYamlForTests());
}
private async Task <ICache> GetKubernetesInfo(string name)
{
var cache = new IngressCache();
var typeMap = new Dictionary <string, Type>();
typeMap.Add("networking.k8s.io/v1/Ingress", typeof(V1Ingress));
typeMap.Add("v1/Service", typeof(V1Service));
typeMap.Add("v1/Endpoints", typeof(V1Endpoints));
var kubeObjects = await Yaml.LoadAllFromFileAsync(Path.Combine("testassets", name, "ingress.yaml"), typeMap).ConfigureAwait(false);
foreach (var obj in kubeObjects)
{
if (obj is V1Ingress ingress)
{
cache.Update(WatchEventType.Added, ingress);
}
else if (obj is V1Service service)
{
cache.Update(WatchEventType.Added, service);
}
else if (obj is V1Endpoints endpoints)
{
cache.Update(WatchEventType.Added, endpoints);
}
}
return(cache);
}
public async Task ShouldGenerateNamespace()
{
var @namespace = (await Yaml.LoadAllFromFileAsync("./kustomize/templates/namespace.yaml")).First() as k8s.Models.V1Namespace;
@namespace.Metadata.Name = _namespaceName;
@namespace.Metadata.Labels["group"] = _appGroup;
var namespaceYaml = Yaml.SaveToString(@namespace);
Assert.AreEqual(File.ReadAllText("./data/expected-namespace.yaml").SanitizeYamlForTests(), namespaceYaml.SanitizeYamlForTests());
}
private async static Task Main(string[] args)
{
var typeMap = new Dictionary <String, Type>();
typeMap.Add("v1/Pod", typeof(V1Pod));
typeMap.Add("v1/Service", typeof(V1Service));
typeMap.Add("apps/v1beta1/Deployment", typeof(Appsv1beta1Deployment));
var objects = await Yaml.LoadAllFromFileAsync(args[0], typeMap);
foreach (var obj in objects)
{
Console.WriteLine(obj);
}
}
public async Task ShouldGenerateService()
{
var service = (await Yaml.LoadAllFromFileAsync("./kustomize/templates/service.yaml")).First() as k8s.Models.V1Service;
service.Metadata.NamespaceProperty = _namespaceName;
service.Metadata.Name = _serviceName;
service.Metadata.Labels["app"] = _appName;
service.Metadata.Labels["release"] = _release;
service.Metadata.Labels["group"] = _appGroup;
service.Spec.Selector["release"] = _release;
service.Spec.Selector["app"] = _appName;
var serviceYaml = Yaml.SaveToString(service);
Assert.AreEqual(File.ReadAllText("./data/expected-service.yaml").SanitizeYamlForTests(), serviceYaml.SanitizeYamlForTests());
}
public async Task ShouldGenerateIngress()
{
var ingress = (await Yaml.LoadAllFromFileAsync("./kustomize/templates/ingress.yaml")).First() as k8s.Models.V1Ingress;
ingress.Metadata.Name = $"ingress-{_appName}";
ingress.Metadata.NamespaceProperty = _appGroup;
ingress.Metadata.Labels["app"] = _appName;
ingress.Metadata.Labels["group"] = _appGroup;
var rule = ingress.Spec.Rules.First();
var path = rule.Http.Paths.First();
path.Path = "/trades/V1";
path.Backend.Service.Name = _serviceName;
var ingressYaml = Yaml.SaveToString(ingress);
Assert.AreEqual(File.ReadAllText("./data/expected-ingress.yaml").SanitizeYamlForTests(), ingressYaml.SanitizeYamlForTests());
}
private async Task <ICache> GetKubernetesInfo(string name, V1IngressClass ingressClass)
{
var mockLogger = new Mock <ILogger <IngressCache> >();
var mockOptions = new Mock <IOptions <YarpOptions> >();
mockOptions.SetupGet(o => o.Value).Returns(new YarpOptions {
ControllerClass = "microsoft.com/ingress-yarp"
});
var cache = new IngressCache(mockOptions.Object, mockLogger.Object);
var typeMap = new Dictionary <string, Type>();
typeMap.Add("networking.k8s.io/v1/Ingress", typeof(V1Ingress));
typeMap.Add("v1/Service", typeof(V1Service));
typeMap.Add("v1/Endpoints", typeof(V1Endpoints));
if (ingressClass is not null)
{
cache.Update(WatchEventType.Added, ingressClass);
}
var kubeObjects = await Yaml.LoadAllFromFileAsync(Path.Combine("testassets", name, "ingress.yaml"), typeMap).ConfigureAwait(false);
foreach (var obj in kubeObjects)
{
if (obj is V1Ingress ingress)
{
cache.Update(WatchEventType.Added, ingress);
}
else if (obj is V1Service service)
{
cache.Update(WatchEventType.Added, service);
}
else if (obj is V1Endpoints endpoints)
{
cache.Update(WatchEventType.Added, endpoints);
}
}
return(cache);
}
public async Task <IActionResult> CreateServiceAsync
([FromBody] MTAServiceModel serviceBody,
[FromRoute] string serviceName,
[FromRoute] string tenantName,
[FromRoute] string groupName)
{
var path = string.Concat(GetTemplatesPath(), "/template-svc.yaml");
var servicesList = await Yaml.LoadAllFromFileAsync(path);
var yamlBody = servicesList[0] as V1Service;
var serviceController = new MTAServiceController(serviceName, tenantName, groupName);
var respondeModel = await serviceController.CreateServiceAsync
(_k8sClient, yamlBody, serviceBody);
if (respondeModel.Item2 != null)
{
return(BadRequest(respondeModel.Item2));
}
return(Created(Url.RouteUrl("CreateService", new { serviceName, groupName }),
respondeModel.Item1));
}
public async Task <IActionResult> CreateDeploymentAsync
([FromBody] MTADeployModel deployBody,
[FromRoute] string deployName,
[FromRoute] string tenantName,
[FromRoute] string groupName)
{
var path = string.Concat(GetTemplatesPath(), "/template-deploy.yaml");
var deploymentsList = await Yaml.LoadAllFromFileAsync(path);
var yamlBody = deploymentsList[0] as V1Deployment;
var deployController = new MTADeployController(deployName, tenantName, groupName);
var respondeModel = await deployController.CreateDeploymentAsync
(_k8sClient, yamlBody, deployBody);
if (respondeModel.Item2 != null)
{
return(BadRequest(respondeModel.Item2));
}
return(Created(Url.RouteUrl("CreateDeployment", new { deployName, groupName }),
respondeModel.Item1));
}
public async Task <IActionResult> CreateHPAAsync
([FromBody] MTAHPAModel hpaBody,
[FromRoute] string hpaName,
[FromRoute] string tenantName,
[FromRoute] string groupName)
{
var path = string.Concat(GetTemplatesPath(), "/template-hpa.yaml");
var hpaList = await Yaml.LoadAllFromFileAsync(path);
var yamlBody = hpaList[0] as V1HorizontalPodAutoscaler;
var deployName = hpaBody.DeploymentName;
var hpaController = new MTAHPAController(hpaName, deployName, tenantName, groupName);
var respondeModel = await hpaController.CreateHPAAsync
(_k8sClient, yamlBody, hpaBody);
if (respondeModel.Item2 != null)
{
return(BadRequest(respondeModel.Item2));
}
return(Created(Url.RouteUrl("CreateService", new { hpaName, groupName }),
respondeModel.Item1));
}
static async Task Main(string[] args)
{
if (AnsiConsole.Capabilities.SupportLinks)
{
AnsiConsole.MarkupLine(
$"[link=https://github.com/bovrhovn/]Demo for working with Kubernetes[/]!");
}
HorizontalRule("Connecting to cluster using default load via .kube/config and list namespaces");
var config = KubernetesClientConfiguration.BuildConfigFromConfigFile();
IKubernetes client = new Kubernetes(config);
System.Console.WriteLine($"Listening to master at {config.Host}");
var namespaces = await client.ListNamespaceAsync();
foreach (var ns in namespaces.Items)
{
System.Console.WriteLine($"{ns.Metadata.Uid} : {ns.Metadata.Name}");
}
System.Console.Read(); //break for continue
HorizontalRule("List pods in namespace - app");
var listPodInNamespace = await client.ListNamespacedPodAsync("app");
var table = new Table();
table.Border(TableBorder.Rounded);
table.AddColumn("Pod name");
table.AddColumn(new TableColumn("Labels").Centered());
foreach (var currentPod in listPodInNamespace.Items)
{
string labels = string.Empty;
foreach (var labelPair in currentPod.Metadata.Labels)
{
labels += $" {labelPair.Key}:{labelPair.Value} ";
}
table.AddRow(currentPod.Metadata.Name, labels);
}
AnsiConsole.Render(table);
System.Console.Read(); //break for continue
HorizontalRule("Creating namespace and pod");
var namespaceNameForTest = "test";
var newNamespace = new V1Namespace {
Metadata = new V1ObjectMeta {
Name = namespaceNameForTest
}
};
var resultNamespaceCreated = await client.CreateNamespaceAsync(newNamespace);
System.Console.WriteLine(
$"Namespace {resultNamespaceCreated.Metadata.Name} has been created and it is in {resultNamespaceCreated.Status.Phase} state");
var pod = new V1Pod
{
Metadata = new V1ObjectMeta {
Name = "nginx-test"
},
Spec = new V1PodSpec
{
Containers = new List <V1Container>
{
new V1Container
{
Image = "nginx:1.7.9",
Name = "image-nginx-test",
Ports = new List <V1ContainerPort>
{
new V1ContainerPort {
ContainerPort = 80
}
}
}
}
}
};
var createdPodInNamespaceTest = await client.CreateNamespacedPodAsync(pod, namespaceNameForTest);
System.Console.WriteLine($"Pod in namespace {namespaceNameForTest} has been created with state {createdPodInNamespaceTest.Status.Phase}");
System.Console.Read(); //break for continue
HorizontalRule("Exec into pod");
var webSocket =
await client.WebSocketNamespacedPodExecAsync(pod.Metadata.Name,
namespaceNameForTest, "env", pod.Spec.Containers[0].Name);
var demux = new StreamDemuxer(webSocket);
demux.Start();
var buff = new byte[4096];
var stream = demux.GetStream(1, 1);
await stream.ReadAsync(buff, 0, 4096);
var str = System.Text.Encoding.Default.GetString(buff);
System.Console.WriteLine(str); //ouput ls command
System.Console.Read(); //break for continue
HorizontalRule($"Delete namespace {namespaceNameForTest}");
var status = await client.DeleteNamespaceAsync(namespaceNameForTest, new V1DeleteOptions());
System.Console.WriteLine($"Namespace {namespaceNameForTest} has been deleted - status {status.Message} - {status.Status}");
System.Console.Read(); //break for continue
HorizontalRule("Load objects from yaml file");
var typeMap = new Dictionary <string, Type>
{
{ "v1/Pod", typeof(V1Pod) },
{ "v1/Service", typeof(V1Service) },
{ "apps/v1/Deployment", typeof(V1Deployment) }
};
string yamlPath = Path.Join(Path.GetDirectoryName(Assembly.GetEntryAssembly()?.Location), "my.yaml");
var objects = await Yaml.LoadAllFromFileAsync(yamlPath, typeMap);
foreach (var obj in objects)
{
System.Console.WriteLine(obj);
}
System.Console.Read(); //stop and press key to continue
HorizontalRule("Watching pods - watch pods");
var podlistResp = client.ListNamespacedPodWithHttpMessagesAsync("default", watch: true);
using (podlistResp.Watch <V1Pod, V1PodList>((type, item) =>
{
System.Console.WriteLine("==on watch event==");
System.Console.WriteLine(type);
System.Console.WriteLine(item.Metadata.Name);
System.Console.WriteLine("==on watch event==");
}))
{
System.Console.WriteLine("press ctrl + c to stop watching");
var ctrlc = new ManualResetEventSlim(false);
System.Console.CancelKeyPress += (sender, eventArgs) => ctrlc.Set();
ctrlc.Wait();
}
System.Console.Read(); //press any key to continue
}
