/// <summary>
/// Updates the <b>spec</b> of a cluster scoped custom object of the specified generic
/// object type and name.
/// </summary>
/// <typeparam name="T">The custom object type.</typeparam>
/// <param name="k8s">The <see cref="Kubernetes"/> client.</param>
/// <param name="patch">
/// Specifies the patch to be applied to the object spec. This is typically a
/// <see cref="V1Patch"/> instance but additional patch types may be supported in
/// </param>
/// <param name="name">Specifies the object name.</param>
/// <param name="dryRun">
/// When present, indicates that modifications should not be persisted. An invalid
/// or unrecognized dryRun directive will result in an error response and no further
/// processing of the request. Valid values are: - All: all dry run stages will be
/// processed
/// </param>
/// <param name="fieldManager">
/// fieldManager is a name associated with the actor or entity that is making these
/// changes. The value must be less than or 128 characters long, and only contain
/// printable characters, as defined by https://golang.org/pkg/unicode/#IsPrint.
/// </param>
/// <param name="force">
/// Force is going to "force" Apply requests. It means user will re-acquire conflicting
/// fields owned by other people. Force flag must be unset for non-apply patch requests.
/// </param>
/// <param name="cancellationToken">Optionally specifies a cancellation token.</param>
/// <returns>The updated custom object.</returns>
public static async Task <T> PatchClusterCustomObjectAsync <T>(
this IKubernetes k8s,
V1Patch patch,
string name,
string dryRun = null,
string fieldManager = null,
bool?force = null,
CancellationToken cancellationToken = default(CancellationToken))
where T : IKubernetesObject <V1ObjectMeta>, new()
{
await SyncContext.Clear;
Covenant.Requires <ArgumentNullException>(patch != null, nameof(patch));
Covenant.Requires <ArgumentNullException>(!string.IsNullOrEmpty(name), nameof(name));
var typeMetadata = typeof(T).GetKubernetesTypeMetadata();
var result = await k8s.PatchClusterCustomObjectAsync(
body : patch,
group : typeMetadata.Group,
version : typeMetadata.ApiVersion,
plural : typeMetadata.PluralName,
name : name,
dryRun : dryRun,
fieldManager : fieldManager,
force : force,
cancellationToken : cancellationToken);
return(((JsonElement)result).Deserialize <T>(options: serializeOptions));
}
PatchDeploymentAsync(Kubernetes k8sClient, MTADeployModel patchModel)
{
var namespaceParams = PrepareNamespaceParams(_groupName);
var deployParams = PrepareDeployParams(_deployName);
var existingDeployment = await k8sClient.ReadNamespacedDeploymentAsync
(deployParams.Item1, namespaceParams);
existingDeployment.Spec.Template.Spec.Containers[0].Image = patchModel.Image;
existingDeployment.Spec.Template.Spec.Containers[0].ImagePullPolicy =
patchModel.ImagePullPolicy;
existingDeployment.Spec.Replicas = patchModel.Replicas;
var container = existingDeployment.Spec.Template.Spec.Containers[0];
container.Name = deployParams.Item3;
if (patchModel.Env.Count > 0)
{
var v1EnvList = new List <V1EnvVar>();
foreach (var env in patchModel.Env)
{
var v1Env = new V1EnvVar(env["name"], env["value"]);
v1EnvList.Add(v1Env);
}
container.Env = v1EnvList;
}
if (patchModel.Ports.Count > 0)
{
var containerPorts = new List <V1ContainerPort>();
foreach (var port in patchModel.Ports)
{
var v1ContainerPort = new V1ContainerPort(port);
containerPorts.Add(v1ContainerPort);
}
container.Ports = containerPorts;
}
try
{
var v1Patch = new V1Patch(existingDeployment, V1Patch.PatchType.MergePatch);
var v1Deployment = await k8sClient.PatchNamespacedDeploymentAsync
(v1Patch, deployParams.Item1, namespaceParams);
var deployModel = new MTADeployModel(v1Deployment);
return(new Tuple <MTADeployModel, MTAErrorModel>(deployModel, null));
}
catch (HttpOperationException ex)
{
var errorModel = new MTAErrorModel(ex);
return(new Tuple <MTADeployModel, MTAErrorModel>(null, errorModel));
}
catch (Exception)
{
throw;
}
}
public string Put(int count)
{
string output = "";
if (count > 0 && count < 10)
{
KubernetesClientConfiguration config;
if (Configuration["ASPNETCORE_ENVIRONMENT"] == "Debug")
{
config = KubernetesClientConfiguration.BuildConfigFromConfigFile();
}
else
{
config = KubernetesClientConfiguration.InClusterConfig();
}
IKubernetes client = new Kubernetes(config);
JsonPatchDocument <V1StatefulSet> jsonDoc = new JsonPatchDocument <V1StatefulSet>();
jsonDoc.Replace(p => p.Spec.Replicas, count);
Console.WriteLine(JsonConvert.SerializeObject(jsonDoc));
V1Patch patch = new V1Patch(jsonDoc);
client.PatchNamespacedStatefulSetScale(patch, Configuration["MCStafefulSetName"], "default");
}
//This is where we update the count.
return(output);
}
public virtual MediaTypeHeaderValue GetHeader(V1Patch body)
{
if (body == null)
{
throw new ArgumentNullException(nameof(body));
}
switch (body.Type)
{
case V1Patch.PatchType.JsonPatch:
return(MediaTypeHeaderValue.Parse("application/json-patch+json; charset=utf-8"));
case V1Patch.PatchType.MergePatch:
return(MediaTypeHeaderValue.Parse("application/merge-patch+json; charset=utf-8"));
case V1Patch.PatchType.StrategicMergePatch:
return(MediaTypeHeaderValue.Parse("application/strategic-merge-patch+json; charset=utf-8"));
case V1Patch.PatchType.ApplyPatch:
return(MediaTypeHeaderValue.Parse("application/apply-patch+yaml; charset=utf-8"));
default:
throw new ArgumentOutOfRangeException(nameof(body.Type), "");
}
}
public PodEventHandler(
Kubernetes client,
GenericChaosClient chaosClient,
ArmClient armClient,
string watchNamespace = ""
)
{
Client = client;
ChaosClient = chaosClient;
ARMClient = armClient;
Namespace = watchNamespace;
Logger = new LoggerConfiguration()
.MinimumLevel.Information()
.Enrich
.FromLogContext()
.WriteTo.Console(
outputTemplate: "[{Timestamp:hh:mm:ss} {Level:u3}] {Message,-30:lj} {Properties:j}{NewLine}{Exception}",
theme: AnsiConsoleTheme.Code
)
.CreateLogger();
PodChaosHandledPatchBody = new V1Patch(PodChaosHandledPatch, V1Patch.PatchType.MergePatch);
PodChaosResumePatchBody = new V1Patch(PodChaosResumePatch, V1Patch.PatchType.MergePatch);
}
public async Task <V1Deployment> UpdateDeploymentAsync(V1Deployment deployment)
{
if (deployment == null)
{
throw new ArgumentNullException(nameof(deployment));
}
var patch = new V1Patch(deployment);
return(await _k8client.PatchNamespacedDeploymentAsync(patch, deployment.Metadata.Name, deployment.Metadata.NamespaceProperty));
}
public async Task <HttpOperationResponse <V1Namespace> > PatchNamespaceWithHttpMessagesAsync(
V1Patch body,
string name,
string pretty = null,
Dictionary <string, List <string> > customHeaders = null,
CancellationToken cancellationToken = default(CancellationToken))
{
return(await _kubernetes.PatchNamespaceWithHttpMessagesAsync(
body,
name,
pretty,
customHeaders,
cancellationToken
));
}
public IActionResult Scale([FromBody] int replicas)
{
// Use the config object to create a client.
using (var client = new Kubernetes(k8sConfig))
{
// Create a json patch fro the replicas
var jsonPatch = new JsonPatchDocument <V1Scale>();
jsonPatch.Replace(e => e.Spec.Replicas, replicas);
var patch = new V1Patch(jsonPatch);
// Patch the Deployment
client.PatchNamespacedDeploymentScale(patch, "invaders", "invaders");
return(NoContent());
}
}
public IActionResult Scale([FromBody] ReplicaRequest request)
{
// Use the config object to create a client.
using (var client = new Kubernetes(k8sConfig))
{
// Create a json patch for the replicas
var jsonPatch = new JsonPatchDocument <V1Scale>();
// Set the new number of repplcias
jsonPatch.Replace(e => e.Spec.Replicas, request.Replicas);
// Creat the patch
var patch = new V1Patch(jsonPatch);
// Patch the "minions" Deployment in the "default" namespace
client.PatchNamespacedDeploymentScale(patch, request.Deployment, request.Namespace);
return(NoContent());
}
}
public async Task <Response> ScaleDeployment(string deploymentName, ModuleReplicas moduleReplicas, string nameSpace = "default")
{
// Create json patch for replicas
var jsonPatch = new JsonPatchDocument <V1Scale>();
// Insert replicas into patch
jsonPatch.Replace(e => e.Spec.Replicas, moduleReplicas.Value);
var patch = new V1Patch(jsonPatch);
try
{
var result = await _client.PatchNamespacedDeploymentScaleWithHttpMessagesAsync(patch, deploymentName, nameSpace);
}
catch (Exception e)
{
Console.WriteLine(e);
return(Response.Unsuccessful(e.Message));
}
return(Response.Success());
}
protected override Task OnResourceApplyPatch(V1Patch patch, KubeRef refId)
{
return(Client.PatchNamespacedSecretWithHttpMessagesAsync(patch, refId.Name, refId.Namespace));
}
public async Task <V1Deployment> PatchNamespacedDeploymentAsync(V1Patch patch, string deploymentName, string namespaceProperty,
CancellationToken cancellationToken = default)
{
return(await _client.PatchNamespacedDeploymentAsync(patch, deploymentName, namespaceProperty, cancellationToken : cancellationToken));
}
private static async Task Main(string[] args)
{
Console.WriteLine("starting main()...");
// creating the k8s client
var k8SClientConfig = KubernetesClientConfiguration.BuildConfigFromConfigFile();
IKubernetes client = new Kubernetes(k8SClientConfig);
// creating a K8s client for the CRD
var myCRD = Utils.MakeCRD();
Console.WriteLine("working with CRD: {0}.{1}", myCRD.PluralName, myCRD.Group);
var generic = new GenericClient(client, myCRD.Group, myCRD.Version, myCRD.PluralName);
// creating a sample custom resource content
var myCr = Utils.MakeCResource();
try
{
Console.WriteLine("creating CR {0}", myCr.Metadata.Name);
var response = await client.CreateNamespacedCustomObjectWithHttpMessagesAsync(
myCr,
myCRD.Group, myCRD.Version,
myCr.Metadata.NamespaceProperty ?? "default",
myCRD.PluralName).ConfigureAwait(false);
}
catch (HttpOperationException httpOperationException) when(httpOperationException.Message.Contains("422"))
{
var phase = httpOperationException.Response.ReasonPhrase;
var content = httpOperationException.Response.Content;
Console.WriteLine("response content: {0}", content);
Console.WriteLine("response phase: {0}", phase);
}
catch (HttpOperationException)
{
}
// listing the cr instances
Console.WriteLine("CR list:");
var crs = await generic.ListNamespacedAsync <CustomResourceList <CResource> >(myCr.Metadata.NamespaceProperty ?? "default").ConfigureAwait(false);
foreach (var cr in crs.Items)
{
Console.WriteLine("- CR Item {0} = {1}", crs.Items.IndexOf(cr), cr.Metadata.Name);
}
var old = JsonSerializer.SerializeToDocument(myCr);
myCr.Metadata.Labels.TryAdd("newKey", "newValue");
var expected = JsonSerializer.SerializeToDocument(myCr);
var patch = old.CreatePatch(expected);
// updating the custom resource
var crPatch = new V1Patch(patch, V1Patch.PatchType.JsonPatch);
try
{
var patchResponse = await client.PatchNamespacedCustomObjectAsync(
crPatch,
myCRD.Group,
myCRD.Version,
myCr.Metadata.NamespaceProperty ?? "default",
myCRD.PluralName,
myCr.Metadata.Name).ConfigureAwait(false);
}
catch (HttpOperationException httpOperationException)
{
var phase = httpOperationException.Response.ReasonPhrase;
var content = httpOperationException.Response.Content;
Console.WriteLine("response content: {0}", content);
Console.WriteLine("response phase: {0}", phase);
}
// getting the updated custom resource
var fetchedCR = await generic.ReadNamespacedAsync <CResource>(
myCr.Metadata.NamespaceProperty ?? "default",
myCr.Metadata.Name).ConfigureAwait(false);
Console.WriteLine("fetchedCR = {0}", fetchedCR.ToString());
// deleting the custom resource
try
{
myCr = await generic.DeleteNamespacedAsync <CResource>(
myCr.Metadata.NamespaceProperty ?? "default",
myCr.Metadata.Name).ConfigureAwait(false);
Console.WriteLine("Deleted the CR");
}
catch (Exception exception)
{
Console.WriteLine("Exception type {0}", exception);
}
}
static void Main(string[] args)
{
var kClient = new Kubernetes(KubernetesClientConfiguration.BuildDefaultConfig());
var namespacesTask = kClient.ListNamespaceWithHttpMessagesAsync();
namespacesTask.Wait();
AssertErrors(namespacesTask.Result);
var namespaces = namespacesTask.Result.Body;
var namespaceSet = namespaces.Items.Select(e => new
{ NamespaceName = e.Metadata.Name, Role = GetRole(kClient, e.Metadata.Name) }).Where(e => e.Role != null).ToList();
// Just to assert existing Policies
var thoseWithProperRights = namespaceSet.Where(n =>
n.Role.Rules.Any(r => r.ApiGroups.Any(a => a == "rbac.authorization.k8s.io"))).ToList();
// List of Roles with missing policy
var thoseWithoutProperRights = namespaceSet.Where(n =>
n.Role.Rules.All(r => r.ApiGroups.All(a => a != "rbac.authorization.k8s.io"))).ToList();
foreach (var thoseWithoutProperRight in thoseWithoutProperRights)
{
var policy = new V1PolicyRule
{
ApiGroups = new List <string>
{
"rbac.authorization.k8s.io"
},
Resources = new List <string>
{
"rolebindings",
"roles"
},
Verbs = new List <string>
{
"*"
}
};
var patch = new JsonPatchDocument <V1Role>();
patch.Add(p => p.Rules, policy);
try
{
var body = new V1Patch(patch);
var patchTask = kClient.PatchNamespacedRoleWithHttpMessagesAsync(body, thoseWithoutProperRight.Role.Metadata.Name, thoseWithoutProperRight.NamespaceName);
patchTask.Wait();
Console.WriteLine($"Updated Policy on {thoseWithoutProperRight.Role.Metadata.Name}");
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
Console.ReadKey();
}
public async Task <HttpOperationResponse <object> > PatchAnyResourceKindWithHttpMessagesAsync(V1Patch body, string group, string version, string namespaceParameter, string plural, string name, string dryRun = default(string), string fieldManager = default(string), bool?force = default(bool?), Dictionary <string, List <string> > customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
{
if (body == null)
{
throw new ValidationException(ValidationRules.CannotBeNull, "body");
}
if (group == null)
{
throw new ValidationException(ValidationRules.CannotBeNull, "group");
}
if (version == null)
{
throw new ValidationException(ValidationRules.CannotBeNull, "version");
}
if (namespaceParameter == null)
{
throw new ValidationException(ValidationRules.CannotBeNull, "namespaceParameter");
}
if (plural == null)
{
throw new ValidationException(ValidationRules.CannotBeNull, "plural");
}
if (name == null)
{
throw new ValidationException(ValidationRules.CannotBeNull, "name");
}
// Tracing
bool _shouldTrace = ServiceClientTracing.IsEnabled;
string _invocationId = null;
if (_shouldTrace)
{
_invocationId = ServiceClientTracing.NextInvocationId.ToString();
Dictionary <string, object> tracingParameters = new Dictionary <string, object>();
tracingParameters.Add("body", body);
tracingParameters.Add("dryRun", dryRun);
tracingParameters.Add("fieldManager", fieldManager);
tracingParameters.Add("force", force);
tracingParameters.Add("group", group);
tracingParameters.Add("version", version);
tracingParameters.Add("namespaceParameter", namespaceParameter);
tracingParameters.Add("plural", plural);
tracingParameters.Add("name", name);
tracingParameters.Add("cancellationToken", cancellationToken);
ServiceClientTracing.Enter(_invocationId, this, "PatchNamespacedCustomObject", tracingParameters);
}
// Construct URL
var _baseUrl = Client.BaseUri.AbsoluteUri;
var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), Pattern(group, namespaceParameter) + "/{name}").ToString();
_url = _url.Replace("{group}", System.Uri.EscapeDataString(group));
_url = _url.Replace("{version}", System.Uri.EscapeDataString(version));
_url = _url.Replace("{namespace}", System.Uri.EscapeDataString(namespaceParameter));
_url = _url.Replace("{plural}", System.Uri.EscapeDataString(plural));
_url = _url.Replace("{name}", System.Uri.EscapeDataString(name));
List <string> _queryParameters = new List <string>();
if (dryRun != null)
{
_queryParameters.Add(string.Format("dryRun={0}", System.Uri.EscapeDataString(dryRun)));
}
if (fieldManager != null)
{
_queryParameters.Add(string.Format("fieldManager={0}", System.Uri.EscapeDataString(fieldManager)));
}
if (force != null)
{
_queryParameters.Add(string.Format("force={0}", System.Uri.EscapeDataString(SafeJsonConvert.SerializeObject(force, Client.SerializationSettings).Trim('"'))));
}
if (_queryParameters.Count > 0)
{
_url += "?" + string.Join("&", _queryParameters);
}
// Create HTTP transport objects
var _httpRequest = new HttpRequestMessage();
HttpResponseMessage _httpResponse = null;
_httpRequest.Method = new HttpMethod("PATCH");
_httpRequest.RequestUri = new System.Uri(_url);
// Set Headers
if (customHeaders != null)
{
foreach (var _header in customHeaders)
{
if (_httpRequest.Headers.Contains(_header.Key))
{
_httpRequest.Headers.Remove(_header.Key);
}
_httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
}
}
// Serialize Request
string _requestContent = null;
if (body != null)
{
_requestContent = SafeJsonConvert.SerializeObject(body, Client.SerializationSettings);
_httpRequest.Content = new StringContent(_requestContent, System.Text.Encoding.UTF8);
_httpRequest.Content.Headers.ContentType = Client.GetHeader(body);
}
// Set Credentials
if (Client.Credentials != null)
{
cancellationToken.ThrowIfCancellationRequested();
await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
}
// Send Request
if (_shouldTrace)
{
ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
}
cancellationToken.ThrowIfCancellationRequested();
_httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
if (_shouldTrace)
{
ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
}
HttpStatusCode _statusCode = _httpResponse.StatusCode;
cancellationToken.ThrowIfCancellationRequested();
string _responseContent = null;
if ((int)_statusCode != 200)
{
var ex = new HttpOperationException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
if (_httpResponse.Content != null)
{
_responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
}
else
{
_responseContent = string.Empty;
}
ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
if (_shouldTrace)
{
ServiceClientTracing.Error(_invocationId, ex);
}
_httpRequest.Dispose();
if (_httpResponse != null)
{
_httpResponse.Dispose();
}
throw ex;
}
// Create Result
var _result = new HttpOperationResponse <object>();
_result.Request = _httpRequest;
_result.Response = _httpResponse;
// Deserialize Response
if ((int)_statusCode == 200)
{
_responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
try
{
_result.Body = SafeJsonConvert.DeserializeObject <object>(_responseContent, Client.DeserializationSettings);
}
catch (JsonException ex)
{
_httpRequest.Dispose();
if (_httpResponse != null)
{
_httpResponse.Dispose();
}
throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
}
}
if (_shouldTrace)
{
ServiceClientTracing.Exit(_invocationId, _result);
}
return(_result);
}
public Task <HttpOperationResponse <V1Namespace> > PatchNamespaceWithHttpMessagesAsync(V1Patch body, string name, bool?pretty = null,
Dictionary <string, List <string> > customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
{
return(Task.FromResult(new HttpOperationResponse <V1Namespace>()));
}
protected override Task OnResourceApplyPatch(V1Patch patch, KubeRef refId)
{
return(Client.PatchNamespacedConfigMapAsync(patch, refId.Name, refId.Namespace));
}