/// <summary>
/// Find the ReplicaSet that corresponds to the specified revision of the specified Deployment.
/// </summary>
/// <param name="client">
/// The Kubernetes API client.
/// </param>
/// <param name="deployment">
/// The target Deployment.
/// </param>
/// <param name="targetRevision">
/// The target revision.
/// </param>
/// <param name="cancellationToken">
/// An optional <see cref="CancellationToken"/> that can be used to cancel the request.
/// </param>
/// <returns>
/// A <see cref="ReplicaSetV1"/> representing the ReplicaSet's current state; <c>null</c>, if no corresponding ReplicaSet was found.
/// </returns>
public static async Task <ReplicaSetV1> FindReplicaSetForRevision(IKubeApiClient client, DeploymentV1 deployment, int targetRevision, CancellationToken cancellationToken = default)
{
if (client == null)
{
throw new ArgumentNullException(nameof(client));
}
if (deployment == null)
{
throw new ArgumentNullException(nameof(deployment));
}
string matchLabelSelector = deployment.GetLabelSelector();
ReplicaSetListV1 replicaSets = await client.ReplicaSetsV1().List(matchLabelSelector, deployment.Metadata.Namespace, cancellationToken);
ReplicaSetV1 targetRevisionReplicaSet = replicaSets.Items.FirstOrDefault(
replicaSet => replicaSet.GetRevision() == targetRevision
);
return(targetRevisionReplicaSet);
}
/// <summary>
/// Find the ReplicaSet that corresponds to the specified revision of the specified Deployment.
/// </summary>
/// <param name="client">
/// The Kubernetes API client.
/// </param>
/// <param name="deployment">
/// The target Deployment.
/// </param>
/// <param name="targetRevision">
/// The target revision.
/// </param>
/// <returns>
/// A <see cref="ReplicaSetV1"/> representing the ReplicaSet's current state; <c>null</c>, if no corresponding ReplicaSet was found.
/// </returns>
static async Task <ReplicaSetV1> FindReplicaSetForRevision(IKubeApiClient client, DeploymentV1 deployment, int targetRevision)
{
if (client == null)
{
throw new ArgumentNullException(nameof(client));
}
if (deployment == null)
{
throw new ArgumentNullException(nameof(deployment));
}
ReplicaSetListV1 replicaSets = await client.ReplicaSetsV1().List(
labelSelector: $"app={deployment.Metadata.Name}",
kubeNamespace: deployment.Metadata.Namespace
);
ReplicaSetV1 targetRevisionReplicaSet = replicaSets.Items.FirstOrDefault(
replicaSet => replicaSet.GetRevision() == targetRevision
);
return(targetRevisionReplicaSet);
}
