Files
grafana/apps/shorturl/pkg/app/app.go

90 lines
2.3 KiB
Go

package app
import (
"context"
"fmt"
"path"
"strings"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/klog/v2"
"github.com/grafana/grafana-app-sdk/app"
"github.com/grafana/grafana-app-sdk/resource"
"github.com/grafana/grafana-app-sdk/simple"
shorturlv1alpha1 "github.com/grafana/grafana/apps/shorturl/pkg/apis/shorturl/v1alpha1"
)
// Local error definitions to avoid importing the main shorturls package
var (
ErrShortURLAbsolutePath = fmt.Errorf("path should be relative")
ErrShortURLInvalidPath = fmt.Errorf("invalid short URL path")
)
type ShortURLConfig struct {
AppURL string
}
func New(cfg app.Config) (app.App, error) {
// Extract the AppURL from the specific config
shortURLConfig, ok := cfg.SpecificConfig.(*ShortURLConfig)
if !ok || shortURLConfig == nil {
return nil, fmt.Errorf("invalid or missing ShortURLConfig")
}
simpleConfig := simple.AppConfig{
Name: "shorturl",
KubeConfig: cfg.KubeConfig,
InformerConfig: simple.AppInformerConfig{
ErrorHandler: func(ctx context.Context, err error) {
klog.ErrorS(err, "Informer processing error")
},
},
ManagedKinds: []simple.AppManagedKind{
{
Kind: shorturlv1alpha1.ShortURLKind(),
Validator: &simple.Validator{
ValidateFunc: func(ctx context.Context, req *app.AdmissionRequest) error {
// Cast the incoming object to ShortURL for validation
shortURL, ok := req.Object.(*shorturlv1alpha1.ShortURL)
if !ok {
return fmt.Errorf("expected ShortURL object, got %T", req.Object)
}
relPath := strings.TrimSpace(shortURL.Spec.Path)
if path.IsAbs(relPath) {
return fmt.Errorf("%w: %s", ErrShortURLAbsolutePath, relPath)
}
if strings.Contains(relPath, "../") {
return fmt.Errorf("%w: %s", ErrShortURLInvalidPath, relPath)
}
return nil
},
},
},
},
}
a, err := simple.NewApp(simpleConfig)
if err != nil {
return nil, err
}
err = a.ValidateManifest(cfg.ManifestData)
if err != nil {
return nil, err
}
return a, nil
}
func GetKinds() map[schema.GroupVersion][]resource.Kind {
gv := schema.GroupVersion{
Group: shorturlv1alpha1.ShortURLKind().Group(),
Version: shorturlv1alpha1.ShortURLKind().Version(),
}
return map[schema.GroupVersion][]resource.Kind{
gv: {shorturlv1alpha1.ShortURLKind()},
}
}