/
write.go
90 lines (83 loc) · 2.2 KB
/
write.go
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package dashboard
import (
"encoding/json"
"fmt"
"path/filepath"
grafanav1alpha1 "github.com/grafana-operator/grafana-operator/v4/api/integreatly/v1alpha1"
"github.com/grafana-tools/sdk"
"github.com/spf13/afero"
"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/scheme"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
k8sjson "k8s.io/apimachinery/pkg/runtime/serializer/json"
"github.com/xenitab/griffel/pkg/config"
)
func writeDashboard(fs afero.Fs, directory string, format config.OutputFormat, name string, board *sdk.Board) error {
path := name
if directory != "" {
path = filepath.Join(directory, name)
}
switch format {
case config.OutputFormatJson:
return writeJson(fs, fmt.Sprintf("%s.json", path), board)
case config.OutputFormatKubernetes:
return writeKubernetes(fs, fmt.Sprintf("%s.yaml", path), name, board)
default:
return fmt.Errorf("unknown format: %s", format)
}
}
func writeJson(fs afero.Fs, path string, board *sdk.Board) error {
b, err := marshalBoard(board)
if err != nil {
return err
}
err = afero.WriteFile(fs, path, b, 0644)
if err != nil {
return err
}
return nil
}
func writeKubernetes(fs afero.Fs, path string, name string, board *sdk.Board) error {
b, err := marshalBoard(board)
if err != nil {
return err
}
dashboard := grafanav1alpha1.GrafanaDashboard{
TypeMeta: metav1.TypeMeta{
APIVersion: grafanav1alpha1.GroupVersion.String(),
Kind: "GrafanaDashboard",
},
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
Spec: grafanav1alpha1.GrafanaDashboardSpec{
Json: string(b),
},
}
err = grafanav1alpha1.AddToScheme(scheme.Scheme)
if err != nil {
return fmt.Errorf("could not add grafana operator to scheme: %w", err)
}
opt := k8sjson.SerializerOptions{
Yaml: true,
}
s := k8sjson.NewSerializerWithOptions(k8sjson.DefaultMetaFactory, scheme.Scheme, scheme.Scheme, opt)
file, err := fs.Create(path)
if err != nil {
return err
}
defer file.Close()
err = s.Encode(&dashboard, file)
if err != nil {
return err
}
return nil
}
func marshalBoard(board *sdk.Board) ([]byte, error) {
prefix := ""
indent := " "
b, err := json.MarshalIndent(board, prefix, indent)
if err != nil {
return []byte{}, err
}
return b, nil
}