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Merged
k8s-ci-robot merged 2 commits into from
Jan 3, 2023
Merged

add generic watch #1155

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9cc25fe
add generic watch
tg123 Dec 26, 2022
5bb00bb
Update WatcherExt.cs
tg123 Dec 26, 2022
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28 changes: 28 additions & 0 deletions src/KubernetesClient/GenericClient.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,34 @@ public async Task<T> ReplaceNamespacedAsync<T>(T obj, string ns, string name, Ca
return KubernetesJson.Deserialize<T>(resp.Body.ToString());
}

public IAsyncEnumerable<(WatchEventType, T)> WatchAsync<T>(Action<Exception> onError = null, CancellationToken cancel = default)
where T : IKubernetesObject
{
var respTask = kubernetes.CustomObjects.ListClusterCustomObjectWithHttpMessagesAsync(group, version, plural, watch: true, cancellationToken: cancel);
return respTask.WatchAsync<T, object>();
}

public IAsyncEnumerable<(WatchEventType, T)> WatchNamespacedAsync<T>(string ns, Action<Exception> onError = null, CancellationToken cancel = default)
where T : IKubernetesObject
{
var respTask = kubernetes.CustomObjects.ListNamespacedCustomObjectWithHttpMessagesAsync(group, version, ns, plural, watch: true, cancellationToken: cancel);
return respTask.WatchAsync<T, object>();
}

public Watcher<T> Watch<T>(Action<WatchEventType, T> onEvent, Action<Exception> onError = null, Action onClosed = null)
where T : IKubernetesObject
{
var respTask = kubernetes.CustomObjects.ListClusterCustomObjectWithHttpMessagesAsync(group, version, plural, watch: true);
return respTask.Watch(onEvent, onError, onClosed);
}

public Watcher<T> WatchNamespaced<T>(string ns, Action<WatchEventType, T> onEvent, Action<Exception> onError = null, Action onClosed = null)
where T : IKubernetesObject
{
var respTask = kubernetes.CustomObjects.ListNamespacedCustomObjectWithHttpMessagesAsync(group, version, ns, plural, watch: true);
return respTask.Watch(onEvent, onError, onClosed);
}

public void Dispose()
{
Dispose(true);
Expand Down
7 changes: 5 additions & 2 deletions src/KubernetesClient/WatcherExt.cs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
using k8s.Autorest;
using k8s.Exceptions;
using System.IO;
using System.Threading;
using System.Threading.Tasks;

namespace k8s
Expand Down Expand Up @@ -72,12 +73,14 @@ public static Watcher<T> Watch<T, L>(
/// <typeparam name="L">type of the HttpOperationResponse object</typeparam>
/// <param name="responseTask">the api response</param>
/// <param name="onError">a callbak when any exception was caught during watching</param>
/// <param name="cancellationToken">cancellation token</param>
/// <returns>IAsyncEnumerable of watch events</returns>
public static IAsyncEnumerable<(WatchEventType, T)> WatchAsync<T, L>(
this Task<HttpOperationResponse<L>> responseTask,
Action<Exception> onError = null)
Action<Exception> onError = null,
CancellationToken cancellationToken = default)
{
return Watcher<T>.CreateWatchEventEnumerator(MakeStreamReaderCreator<T, L>(responseTask), onError);
return Watcher<T>.CreateWatchEventEnumerator(MakeStreamReaderCreator<T, L>(responseTask), onError, cancellationToken);
}
}
}