70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
package agent
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import (
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"context"
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"fmt"
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"time"
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"github.com/spf13/cobra"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/cli-runtime/pkg/genericclioptions"
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"k8s.io/klog/v2"
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types "undecided.project/monok8s/pkg/apis/monok8s/v1alpha1"
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mkscmd "undecided.project/monok8s/pkg/cmd"
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"undecided.project/monok8s/pkg/kube"
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"undecided.project/monok8s/pkg/templates"
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)
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func NewCmdAgent(flags *genericclioptions.ConfigFlags) *cobra.Command {
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var namespace string
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var envFile string
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cmd := &cobra.Command{
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Use: "agent --env-file path",
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Short: "Watch OSUpgrade resources and do nothing for now",
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RunE: func(cmd *cobra.Command, _ []string) error {
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var cfg *types.MonoKSConfig // or value, depending on your API
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if err := mkscmd.LoadEnvFile(envFile); err != nil {
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return fmt.Errorf("load env file %q: %w", envFile, err)
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}
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vals := templates.LoadTemplateValuesFromEnv()
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rendered := templates.DefaultMonoKSConfig(vals)
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cfg = &rendered
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klog.InfoS("starting init", "node", cfg.Spec.NodeName, "envFile", envFile)
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clients, err := kube.NewClients(flags)
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if err != nil {
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return err
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}
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gvr := schema.GroupVersionResource{Group: types.Group, Version: types.Version, Resource: "osupgrades"}
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ctx := cmd.Context()
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for {
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list, err := clients.Dynamic.Resource(gvr).Namespace(namespace).List(ctx, metav1.ListOptions{})
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if err != nil {
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return err
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}
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klog.InfoS("agent tick", "namespace", namespace, "items", len(list.Items))
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for _, item := range list.Items {
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klog.InfoS("observed osupgrade", "name", item.GetName(), "resourceVersion", item.GetResourceVersion())
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}
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select {
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case <-ctx.Done():
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return ctx.Err()
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case <-time.After(15 * time.Second):
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}
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}
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},
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}
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cmd.Flags().StringVar(&namespace, "namespace", "kube-system", "namespace to watch")
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cmd.Flags().StringVar(&envFile, "env-file", "", "path to env file containing MKS_* variables")
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return cmd
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}
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var _ = context.Background
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var _ = fmt.Sprintf
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