768 lines
29 KiB
C#
768 lines
29 KiB
C#
using ICSharpCode.SharpZipLib.Tar;
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using Json.Patch;
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using k8s.Autorest;
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using k8s.LeaderElection;
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using k8s.LeaderElection.ResourceLock;
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using k8s.Models;
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using Nito.AsyncEx;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.Json;
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using System.Threading;
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using System.Threading.Tasks;
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using Xunit;
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namespace k8s.E2E
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{
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public class MinikubeTests
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{
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[MinikubeFact]
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public void SimpleTest()
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{
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var namespaceParameter = "default";
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var podName = "k8scsharp-e2e-pod";
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var client = CreateClient();
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void Cleanup()
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{
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var pods = client.CoreV1.ListNamespacedPod(namespaceParameter);
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while (pods.Items.Any(p => p.Metadata.Name == podName))
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{
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try
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{
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client.CoreV1.DeleteNamespacedPod(podName, namespaceParameter);
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}
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catch (HttpOperationException e)
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{
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if (e.Response.StatusCode == System.Net.HttpStatusCode.NotFound)
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{
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return;
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}
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}
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}
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}
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try
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{
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Cleanup();
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client.CoreV1.CreateNamespacedPod(
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new V1Pod()
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{
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Metadata = new V1ObjectMeta { Name = podName, },
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Spec = new V1PodSpec
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{
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Containers = new[] { new V1Container() { Name = "k8scsharp-e2e", Image = "nginx", }, },
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},
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},
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namespaceParameter);
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var pods = client.CoreV1.ListNamespacedPod(namespaceParameter);
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Assert.Contains(pods.Items, p => p.Metadata.Name == podName);
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}
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finally
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{
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Cleanup();
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}
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}
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[MinikubeFact]
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public void PatchTest()
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{
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var namespaceParameter = "default";
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var podName = "k8scsharp-e2e-patch-pod";
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var client = CreateClient();
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void Cleanup()
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{
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var pods = client.CoreV1.ListNamespacedPod(namespaceParameter);
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while (pods.Items.Any(p => p.Metadata.Name == podName))
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{
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try
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{
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client.CoreV1.DeleteNamespacedPod(podName, namespaceParameter);
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}
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catch (HttpOperationException e)
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{
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if (e.Response.StatusCode == System.Net.HttpStatusCode.NotFound)
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{
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return;
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}
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}
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}
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}
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try
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{
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{
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Cleanup();
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client.CoreV1.CreateNamespacedPod(
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new V1Pod()
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{
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Metadata = new V1ObjectMeta { Name = podName, Labels = new Dictionary<string, string> { { "place", "holder" }, }, },
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Spec = new V1PodSpec
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{
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Containers = new[] { new V1Container() { Name = "k8scsharp-patch", Image = "nginx", }, },
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},
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},
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namespaceParameter);
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// patch
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{
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var pod = client.CoreV1.ListNamespacedPod(namespaceParameter).Items.First(p => p.Metadata.Name == podName);
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var old = JsonSerializer.SerializeToDocument(pod);
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var newlabels = new Dictionary<string, string>(pod.Metadata.Labels) { ["test"] = "test-jsonpatch" };
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pod.Metadata.Labels = newlabels;
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var expected = JsonSerializer.SerializeToDocument(pod);
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var patch = old.CreatePatch(expected);
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client.CoreV1.PatchNamespacedPod(new V1Patch(patch, V1Patch.PatchType.JsonPatch), pod.Metadata.Name, "default");
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}
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// refresh
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{
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var pod = client.CoreV1.ListNamespacedPod(namespaceParameter).Items.First(p => p.Metadata.Name == podName);
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Assert.Equal("test-jsonpatch", pod.Labels()["test"]);
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}
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}
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{
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Cleanup();
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}
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{
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client.CoreV1.CreateNamespacedPod(
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new V1Pod()
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{
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Metadata = new V1ObjectMeta { Name = podName, Labels = new Dictionary<string, string> { { "place", "holder" }, }, },
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Spec = new V1PodSpec
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{
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Containers = new[] { new V1Container() { Name = "k8scsharp-patch", Image = "nginx", }, },
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},
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},
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namespaceParameter);
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var pod = client.CoreV1.ListNamespacedPod(namespaceParameter).Items.First(p => p.Metadata.Name == podName);
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var patchStr = @"
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{
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""metadata"": {
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""labels"": {
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""test"": ""test-mergepatch""
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}
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}
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}";
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client.CoreV1.PatchNamespacedPod(new V1Patch(patchStr, V1Patch.PatchType.MergePatch), pod.Metadata.Name, "default");
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Assert.False(pod.Labels().ContainsKey("test"));
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// refresh
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pod = client.CoreV1.ListNamespacedPod(namespaceParameter).Items.First(p => p.Metadata.Name == podName);
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Assert.Equal("test-mergepatch", pod.Labels()["test"]);
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}
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}
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finally
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{
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Cleanup();
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}
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}
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[MinikubeFact]
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public async Task WatcherIntegrationTest()
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{
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var kubernetes = CreateClient();
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var job = await kubernetes.BatchV1.CreateNamespacedJobAsync(
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new V1Job()
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{
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ApiVersion = "batch/v1",
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Kind = V1Job.KubeKind,
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Metadata = new V1ObjectMeta() { Name = nameof(WatcherIntegrationTest).ToLowerInvariant() },
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Spec = new V1JobSpec()
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{
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Template = new V1PodTemplateSpec()
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{
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Spec = new V1PodSpec()
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{
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Containers = new List<V1Container>()
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{
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new V1Container()
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{
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Image = "ubuntu",
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Name = "runner",
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Command = new List<string>() { "/bin/bash", "-c", "--" },
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Args = new List<string>()
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{
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"trap : TERM INT; sleep infinity & wait",
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},
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},
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},
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RestartPolicy = "Never",
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},
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},
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},
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},
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"default").ConfigureAwait(false);
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var events = new Collection<Tuple<WatchEventType, V1Job>>();
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var started = new AsyncManualResetEvent();
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var connectionClosed = new AsyncManualResetEvent();
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var watcher = kubernetes.BatchV1.ListNamespacedJobWithHttpMessagesAsync(
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job.Metadata.NamespaceProperty,
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fieldSelector: $"metadata.name={job.Metadata.Name}",
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resourceVersion: job.Metadata.ResourceVersion,
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timeoutSeconds: 30,
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watch: true).Watch<V1Job, V1JobList>(
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(type, source) =>
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{
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Debug.WriteLine($"Watcher 1: {type}, {source}");
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events.Add(new Tuple<WatchEventType, V1Job>(type, source));
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job = source;
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started.Set();
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},
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onClosed: connectionClosed.Set);
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await started.WaitAsync().ConfigureAwait(false);
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await Task.WhenAny(connectionClosed.WaitAsync(), Task.Delay(TimeSpan.FromMinutes(3))).ConfigureAwait(false);
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Assert.True(connectionClosed.IsSet);
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var st = await kubernetes.BatchV1.DeleteNamespacedJobAsync(
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job.Metadata.Name,
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job.Metadata.NamespaceProperty,
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new V1DeleteOptions() { PropagationPolicy = "Foreground" }).ConfigureAwait(false);
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}
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[MinikubeFact]
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public void LeaderIntegrationTest()
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{
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var client = CreateClient();
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var namespaceParameter = "default";
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void Cleanup()
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{
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var endpoints = client.CoreV1.ListNamespacedEndpoints(namespaceParameter);
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void DeleteEndpoints(string name)
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{
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while (endpoints.Items.Any(p => p.Metadata.Name == name))
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{
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try
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{
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client.CoreV1.DeleteNamespacedEndpoints(name, namespaceParameter);
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}
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catch (HttpOperationException e)
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{
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if (e.Response.StatusCode == System.Net.HttpStatusCode.NotFound)
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{
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return;
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}
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}
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}
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}
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DeleteEndpoints("leaderendpoint");
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}
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var cts = new CancellationTokenSource();
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var leader1acq = new ManualResetEvent(false);
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var leader1lose = new ManualResetEvent(false);
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try
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{
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Cleanup();
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var tasks = new List<Task>();
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// 1
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{
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var l = new EndpointsLock(client, namespaceParameter, "leaderendpoint", "leader1");
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var le = new LeaderElector(new LeaderElectionConfig(l)
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{
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LeaseDuration = TimeSpan.FromSeconds(1),
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RetryPeriod = TimeSpan.FromMilliseconds(400),
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});
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le.OnStartedLeading += () => leader1acq.Set();
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le.OnStoppedLeading += () => leader1lose.Set();
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tasks.Add(le.RunAsync(cts.Token));
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}
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// wait 1 become leader
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Assert.True(leader1acq.WaitOne(TimeSpan.FromSeconds(30)));
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// 2
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{
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var l = new EndpointsLock(client, namespaceParameter, "leaderendpoint", "leader2");
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var le = new LeaderElector(new LeaderElectionConfig(l)
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{
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LeaseDuration = TimeSpan.FromSeconds(1),
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RetryPeriod = TimeSpan.FromMilliseconds(400),
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});
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var leader2init = new ManualResetEvent(false);
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le.OnNewLeader += _ =>
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{
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leader2init.Set();
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};
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tasks.Add(le.RunAsync());
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Assert.True(leader2init.WaitOne(TimeSpan.FromSeconds(30)));
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Assert.Equal("leader1", le.GetLeader());
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cts.Cancel();
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Assert.True(leader1lose.WaitOne(TimeSpan.FromSeconds(30)));
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Task.Delay(TimeSpan.FromSeconds(3)).Wait();
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Assert.True(le.IsLeader());
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}
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Task.WaitAll(tasks.ToArray(), TimeSpan.FromSeconds(30));
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}
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finally
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{
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Cleanup();
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}
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}
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[MinikubeFact]
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public async Task LogStreamTestAsync()
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{
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var namespaceParameter = "default";
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var podName = "k8scsharp-e2e-logstream-pod";
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var client = CreateClient();
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void Cleanup()
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{
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var pods = client.CoreV1.ListNamespacedPod(namespaceParameter);
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while (pods.Items.Any(p => p.Metadata.Name == podName))
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{
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try
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{
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client.CoreV1.DeleteNamespacedPod(podName, namespaceParameter);
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}
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catch (HttpOperationException e)
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{
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if (e.Response.StatusCode == System.Net.HttpStatusCode.NotFound)
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{
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return;
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}
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}
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}
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}
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try
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{
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Cleanup();
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client.CoreV1.CreateNamespacedPod(
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new V1Pod()
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{
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Metadata = new V1ObjectMeta { Name = podName, },
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Spec = new V1PodSpec
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{
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Containers = new[]
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{
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new V1Container()
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{
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Name = "k8scsharp-e2e-logstream",
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Image = "busybox",
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Command = new[] { "ping" },
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Args = new[] { "-i", "10", "127.0.0.1" },
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},
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},
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},
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},
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namespaceParameter);
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var lines = new List<string>();
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var started = new ManualResetEvent(false);
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async Task<V1Pod> Pod()
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{
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var pods = client.CoreV1.ListNamespacedPod(namespaceParameter);
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var pod = pods.Items.First(p => p.Metadata.Name == podName);
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while (pod.Status.Phase != "Running")
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{
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await Task.Delay(TimeSpan.FromSeconds(1)).ConfigureAwait(false);
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return await Pod().ConfigureAwait(false);
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}
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return pod;
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}
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var pod = await Pod().ConfigureAwait(false);
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var stream = client.CoreV1.ReadNamespacedPodLog(pod.Metadata.Name, pod.Metadata.NamespaceProperty, follow: true);
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using var reader = new StreamReader(stream);
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var copytask = Task.Run(() =>
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{
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for (; ; )
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{
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try
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{
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lines.Add(reader.ReadLine());
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}
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finally
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{
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started.Set();
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}
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}
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});
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Assert.True(started.WaitOne(TimeSpan.FromMinutes(2)));
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await Task.Delay(TimeSpan.FromSeconds(1)).ConfigureAwait(false);
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Assert.Null(copytask.Exception);
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Assert.Equal(2, lines.Count);
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await Task.Delay(TimeSpan.FromSeconds(11)).ConfigureAwait(false);
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Assert.Equal(3, lines.Count);
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}
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finally
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{
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Cleanup();
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}
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}
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[MinikubeFact]
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public async Task DatetimeFieldTest()
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{
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var kubernetes = CreateClient();
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await kubernetes.CoreV1.CreateNamespacedEventAsync(
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new Corev1Event(
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new V1ObjectReference(
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"v1alpha1",
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kind: "Test",
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name: "test",
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namespaceProperty: "default",
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resourceVersion: "1",
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uid: "1"),
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new V1ObjectMeta()
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{
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GenerateName = "started-",
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},
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action: "STARTED",
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type: "Normal",
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reason: "STARTED",
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message: "Started",
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eventTime: DateTime.Now,
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firstTimestamp: DateTime.Now,
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lastTimestamp: DateTime.Now,
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reportingComponent: "37",
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reportingInstance: "38"), "default").ConfigureAwait(false);
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}
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[MinikubeFact]
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public async void GenericTest()
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{
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var namespaceParameter = "default";
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var podName = "k8scsharp-e2e-generic-pod";
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var client = CreateClient();
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var genericPods = new GenericClient(client, "", "v1", "pods");
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void Cleanup()
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{
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var pods = client.CoreV1.ListNamespacedPod(namespaceParameter);
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while (pods.Items.Any(p => p.Metadata.Name == podName))
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{
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try
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{
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client.CoreV1.DeleteNamespacedPod(podName, namespaceParameter);
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}
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catch (HttpOperationException e)
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{
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if (e.Response.StatusCode == System.Net.HttpStatusCode.NotFound)
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{
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return;
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}
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}
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}
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}
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try
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{
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Cleanup();
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// create + list
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{
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await genericPods.CreateNamespacedAsync(
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new V1Pod()
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{
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Metadata = new V1ObjectMeta { Name = podName, Labels = new Dictionary<string, string> { { "place", "holder" }, }, },
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Spec = new V1PodSpec
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{
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Containers = new[] { new V1Container() { Name = "k8scsharp-e2e", Image = "nginx", }, },
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},
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},
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namespaceParameter).ConfigureAwait(false);
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var pods = await genericPods.ListNamespacedAsync<V1PodList>(namespaceParameter).ConfigureAwait(false);
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Assert.Contains(pods.Items, p => p.Metadata.Name == podName);
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}
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// replace + get
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{
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var pod = await genericPods.ReadNamespacedAsync<V1Pod>(namespaceParameter, podName).ConfigureAwait(false);
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var old = JsonSerializer.SerializeToDocument(pod);
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var newlabels = new Dictionary<string, string>(pod.Metadata.Labels) { ["test"] = "generic-test-jsonpatch" };
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pod.Metadata.Labels = newlabels;
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var expected = JsonSerializer.SerializeToDocument(pod);
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var patch = old.CreatePatch(expected);
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await genericPods.PatchNamespacedAsync<V1Pod>(new V1Patch(patch, V1Patch.PatchType.JsonPatch), namespaceParameter, podName).ConfigureAwait(false);
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var pods = await genericPods.ListNamespacedAsync<V1PodList>(namespaceParameter).ConfigureAwait(false);
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Assert.Contains(pods.Items, p => p.Labels().Contains(new KeyValuePair<string, string>("test", "generic-test-jsonpatch")));
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}
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// replace + get
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{
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var pod = await genericPods.ReadNamespacedAsync<V1Pod>(namespaceParameter, podName).ConfigureAwait(false);
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pod.Spec.Containers[0].Image = "httpd";
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await genericPods.ReplaceNamespacedAsync(pod, namespaceParameter, podName).ConfigureAwait(false);
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pod = await genericPods.ReadNamespacedAsync<V1Pod>(namespaceParameter, podName).ConfigureAwait(false);
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Assert.Equal("httpd", pod.Spec.Containers[0].Image);
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}
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// delete + list
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{
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V1PodList pods = new V1PodList();
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int retry = 5;
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while (retry-- > 0)
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{
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try
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{
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await genericPods.DeleteNamespacedAsync<V1Pod>(namespaceParameter, podName).ConfigureAwait(false);
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}
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catch (HttpOperationException e)
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{
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if (e.Response.StatusCode == System.Net.HttpStatusCode.NotFound)
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{
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return;
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}
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}
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pods = await genericPods.ListNamespacedAsync<V1PodList>(namespaceParameter).ConfigureAwait(false);
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if (!pods.Items.Any(p => p.Metadata.Name == podName))
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{
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break;
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}
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|
|
await Task.Delay(TimeSpan.FromSeconds(2.5)).ConfigureAwait(false);
|
|
}
|
|
|
|
Assert.DoesNotContain(pods.Items, p => p.Metadata.Name == podName);
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
Cleanup();
|
|
}
|
|
}
|
|
|
|
|
|
[MinikubeFact]
|
|
public async Task CopyToPodTestAsync()
|
|
{
|
|
var namespaceParameter = "default";
|
|
var podName = "k8scsharp-e2e-cp-pod";
|
|
|
|
var client = CreateClient();
|
|
|
|
async Task<int> CopyFileToPodAsync(string name, string @namespace, string container, Stream inputFileStream, string destinationFilePath, CancellationToken cancellationToken = default(CancellationToken))
|
|
{
|
|
// The callback which processes the standard input, standard output and standard error of exec method
|
|
var handler = new ExecAsyncCallback(async (stdIn, stdOut, stdError) =>
|
|
{
|
|
var fileInfo = new FileInfo(destinationFilePath);
|
|
try
|
|
{
|
|
using (var memoryStream = new MemoryStream())
|
|
{
|
|
using (var tarOutputStream = new TarOutputStream(memoryStream, Encoding.Default))
|
|
{
|
|
tarOutputStream.IsStreamOwner = false;
|
|
|
|
var fileSize = inputFileStream.Length;
|
|
var entry = TarEntry.CreateTarEntry(fileInfo.Name);
|
|
|
|
entry.Size = fileSize;
|
|
|
|
tarOutputStream.PutNextEntry(entry);
|
|
await inputFileStream.CopyToAsync(tarOutputStream).ConfigureAwait(false);
|
|
tarOutputStream.CloseEntry();
|
|
}
|
|
|
|
memoryStream.Position = 0;
|
|
|
|
await memoryStream.CopyToAsync(stdIn).ConfigureAwait(false);
|
|
await memoryStream.FlushAsync().ConfigureAwait(false);
|
|
stdIn.Close();
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
throw new IOException($"Copy command failed: {ex.Message}");
|
|
}
|
|
|
|
using StreamReader streamReader = new StreamReader(stdError);
|
|
while (streamReader.EndOfStream == false)
|
|
{
|
|
string error = await streamReader.ReadToEndAsync().ConfigureAwait(false);
|
|
throw new IOException($"Copy command failed: {error}");
|
|
}
|
|
});
|
|
|
|
string destinationFolder = Path.GetDirectoryName(destinationFilePath).Replace("\\", "/");
|
|
|
|
return await client.NamespacedPodExecAsync(
|
|
name,
|
|
@namespace,
|
|
container,
|
|
new string[] { "tar", "-xmf", "-", "-C", destinationFolder },
|
|
false,
|
|
handler,
|
|
cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
|
|
void Cleanup()
|
|
{
|
|
var pods = client.CoreV1.ListNamespacedPod(namespaceParameter);
|
|
while (pods.Items.Any(p => p.Metadata.Name == podName))
|
|
{
|
|
try
|
|
{
|
|
client.CoreV1.DeleteNamespacedPod(podName, namespaceParameter);
|
|
}
|
|
catch (HttpOperationException e)
|
|
{
|
|
if (e.Response.StatusCode == System.Net.HttpStatusCode.NotFound)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
try
|
|
{
|
|
Cleanup();
|
|
|
|
client.CoreV1.CreateNamespacedPod(
|
|
new V1Pod()
|
|
{
|
|
Metadata = new V1ObjectMeta { Name = podName, },
|
|
Spec = new V1PodSpec
|
|
{
|
|
Containers = new[]
|
|
{
|
|
new V1Container()
|
|
{
|
|
Name = "container",
|
|
Image = "ubuntu",
|
|
// Image = "busybox", // TODO not work with busybox
|
|
Command = new[] { "sleep" },
|
|
Args = new[] { "infinity" },
|
|
},
|
|
},
|
|
},
|
|
},
|
|
namespaceParameter);
|
|
|
|
var lines = new List<string>();
|
|
var started = new ManualResetEvent(false);
|
|
|
|
async Task<V1Pod> Pod()
|
|
{
|
|
var pods = client.CoreV1.ListNamespacedPod(namespaceParameter);
|
|
var pod = pods.Items.First(p => p.Metadata.Name == podName);
|
|
while (pod.Status.Phase != "Running")
|
|
{
|
|
await Task.Delay(TimeSpan.FromSeconds(1)).ConfigureAwait(false);
|
|
return await Pod().ConfigureAwait(false);
|
|
}
|
|
|
|
return pod;
|
|
}
|
|
|
|
var pod = await Pod().ConfigureAwait(false);
|
|
|
|
|
|
async Task AssertMd5sumAsync(string file, byte[] orig)
|
|
{
|
|
var ws = await client.WebSocketNamespacedPodExecAsync(
|
|
pod.Metadata.Name,
|
|
pod.Metadata.NamespaceProperty,
|
|
new string[] { "md5sum", file },
|
|
"container").ConfigureAwait(false);
|
|
|
|
var demux = new StreamDemuxer(ws);
|
|
demux.Start();
|
|
|
|
var buff = new byte[4096];
|
|
var stream = demux.GetStream(1, 1);
|
|
var read = stream.Read(buff, 0, 4096);
|
|
var remotemd5 = Encoding.Default.GetString(buff);
|
|
remotemd5 = remotemd5.Substring(0, 32);
|
|
|
|
var md5 = MD5.Create().ComputeHash(orig);
|
|
var localmd5 = BitConverter.ToString(md5).Replace("-", string.Empty).ToLower();
|
|
|
|
Assert.Equal(localmd5, remotemd5);
|
|
}
|
|
|
|
|
|
//
|
|
{
|
|
// small
|
|
var content = new byte[1 * 1024 * 1024];
|
|
new Random().NextBytes(content);
|
|
await CopyFileToPodAsync(pod.Metadata.Name, pod.Metadata.NamespaceProperty, "container", new MemoryStream(content), "/tmp/test").ConfigureAwait(false);
|
|
await AssertMd5sumAsync("/tmp/test", content).ConfigureAwait(false);
|
|
}
|
|
|
|
{
|
|
// big
|
|
var content = new byte[40 * 1024 * 1024];
|
|
new Random().NextBytes(content);
|
|
await CopyFileToPodAsync(pod.Metadata.Name, pod.Metadata.NamespaceProperty, "container", new MemoryStream(content), "/tmp/test").ConfigureAwait(false);
|
|
await AssertMd5sumAsync("/tmp/test", content).ConfigureAwait(false);
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
Cleanup();
|
|
}
|
|
}
|
|
|
|
public static IKubernetes CreateClient()
|
|
{
|
|
return new Kubernetes(KubernetesClientConfiguration.BuildDefaultConfig());
|
|
}
|
|
}
|
|
}
|