Implement KubectlRollout with generic type parameters for deployment lifecycle management

[Copilot]

Adds kubectl rollout operations to match Java client and kubectl CLI functionality for managing deployment, daemonset, and statefulset rollouts.

Implementation

Core operations (AsyncKubectl.Rollout.cs):

• RolloutRestartAsync<T> - triggers rollout via restart annotation (supports V1Deployment, V1DaemonSet, V1StatefulSet)
• RolloutStatusAsync<T> - returns detailed rollout progress status for all workload types
• RolloutHistoryAsync<T> - retrieves revision history with change-cause annotations
• RolloutUndoAsync<T> - rolls back to specified or previous revision (Deployment only)
• RolloutPauseAsync<T> / RolloutResumeAsync<T> - controls deployment rollouts (Deployment only)

Synchronous wrappers (Kubectl.Rollout.cs):

• Generic sync wrappers following existing patterns (RolloutRestart, RolloutStatus, etc.)

Tests (KubectlTests.Rollout.cs):

• Coverage for all operations across resource types

API Design

The API uses generic type parameters following the same pattern as existing Get<T> and List<T> methods, providing a clean and consistent interface:

using var kubernetes = new Kubernetes(config);
var kubectl = new Kubectl(kubernetes);

// Restart workloads
kubectl.RolloutRestart<V1Deployment>("my-app", "production");
kubectl.RolloutRestart<V1DaemonSet>("my-daemon", "default");
kubectl.RolloutRestart<V1StatefulSet>("my-sts", "default");

// Check status
var status = kubectl.RolloutStatus<V1Deployment>("my-app", "production");
// Returns: "deployment \"my-app\" successfully rolled out"

// View history
var history = kubectl.RolloutHistory<V1Deployment>("my-app", "production");

// Deployment-specific operations
kubectl.RolloutPause<V1Deployment>("my-app", "production");
kubectl.RolloutResume<V1Deployment>("my-app", "production");
kubectl.RolloutUndo<V1Deployment>("my-app", "production");

Technical Details

• Uses JSON patch operations for resource updates
• Generic type parameters with runtime type checking for resource-specific operations
• Extracts label selectors via shared helper method
• Defines annotation keys as constants (RestartedAtAnnotation, RevisionAnnotation, ChangeCauseAnnotation)
• Handles ReplicaSets for deployments, ControllerRevisions for daemonsets/statefulsets

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Implement KubectlRollout</issue_title>
<issue_description>Similar to this code in the Java client:
https://github.com/kubernetes-client/java/blob/master/extended/src/main/java/io/kubernetes/client/extended/kubectl/KubectlRollout.java

And this cli command:
https://kubernetes.io/docs/reference/kubectl/generated/kubectl_rollout/

We should support rollout in the Kubectl Library.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Implement KubectlRollout #1699

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[brendandburns]

@copilot please update this PR to use a single method signature with different typed parameters instead of a separate method name for Deployments, StatefulSets, etc.

[Copilot]

@copilot please update this PR to use a single method signature with different typed parameters instead of a separate method name for Deployments, StatefulSets, etc.

Done! Refactored to use generic type parameters instead of separate method names. The new API follows the same pattern as Get and List:

kubectl.RolloutRestart<V1Deployment>("my-app", "production");
kubectl.RolloutStatus<V1DaemonSet>("my-daemon", "default");
kubectl.RolloutHistory<V1StatefulSet>("my-sts", "default");

Changes in commit f820e76.