gitpod/components/ws-manager/pkg/manager/pod_controller.go
2021-03-24 09:56:21 +01:00

59 lines
1.5 KiB
Go

// Copyright (c) 2021 Gitpod GmbH. All rights reserved.
// Licensed under the GNU Affero General Public License (AGPL).
// See License-AGPL.txt in the project root for license information.
package manager
import (
"context"
"github.com/go-logr/logr"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/watch"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
// PodReconciler reconciles a Pod object
type PodReconciler struct {
client.Client
Log logr.Logger
Scheme *runtime.Scheme
Monitor *Monitor
}
// Reconcile performs a reconciliation of a pod
// For more details, check Reconcile and its Result here:
// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.7.0/pkg/reconcile
func (r *PodReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
var pod corev1.Pod
err := r.Client.Get(context.Background(), req.NamespacedName, &pod)
if errors.IsNotFound(err) {
// pod is gone - that's ok
return reconcile.Result{}, nil
}
queue := pod.Annotations[workspaceIDAnnotation]
if queue == "" {
return ctrl.Result{}, nil
}
r.Monitor.eventpool.Add(queue, watch.Event{
Type: watch.Modified,
Object: &pod,
})
return ctrl.Result{}, nil
}
// SetupWithManager sets up the controller with the Manager.
func (r *PodReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&corev1.Pod{}).
Complete(r)
}