Files
monok8s/clitools/pkg/cmd/agent/agent.go

52 lines
1.4 KiB
Go

package agent
import (
"context"
"fmt"
"time"
monov1alpha1 "undecided.project/monok8s/pkg/apis/monok8s/v1alpha1"
"undecided.project/monok8s/pkg/kube"
"github.com/spf13/cobra"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/cli-runtime/pkg/genericclioptions"
"k8s.io/klog/v2"
)
func NewCmdAgent(flags *genericclioptions.ConfigFlags) *cobra.Command {
var namespace string
cmd := &cobra.Command{
Use: "agent",
Short: "Watch OSUpgrade resources and do nothing for now",
RunE: func(cmd *cobra.Command, _ []string) error {
clients, err := kube.NewClients(flags)
if err != nil {
return err
}
gvr := schema.GroupVersionResource{Group: monov1alpha1.Group, Version: monov1alpha1.Version, Resource: "osupgrades"}
ctx := cmd.Context()
for {
list, err := clients.Dynamic.Resource(gvr).Namespace(namespace).List(ctx, metav1.ListOptions{})
if err != nil {
return err
}
klog.InfoS("agent tick", "namespace", namespace, "items", len(list.Items))
for _, item := range list.Items {
klog.InfoS("observed osupgrade", "name", item.GetName(), "resourceVersion", item.GetResourceVersion())
}
select {
case <-ctx.Done():
return ctx.Err()
case <-time.After(15 * time.Second):
}
}
},
}
cmd.Flags().StringVar(&namespace, "namespace", "kube-system", "namespace to watch")
return cmd
}
var _ = context.Background
var _ = fmt.Sprintf