[GitHub] nicolaferraro closed pull request #208: feat: #207 Provide option to get the Json/Yaml of a integration

[GitBox <gi...@apache.org>]

nicolaferraro closed pull request #208: feat: #207 Provide option to get the Json/Yaml of a integration
URL: https://github.com/apache/camel-k/pull/208
 
 
   

This is a PR merged from a forked repository.
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As this is a foreign pull request (from a fork), the diff is supplied
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diff --git a/pkg/client/cmd/run.go b/pkg/client/cmd/run.go
index 6a52e03c..01439b58 100644
--- a/pkg/client/cmd/run.go
+++ b/pkg/client/cmd/run.go
@@ -18,8 +18,13 @@ limitations under the License.
 package cmd
 
 import (
+	"encoding/json"
 	"fmt"
+	"github.com/operator-framework/operator-sdk/pkg/util/k8sutil"
+	"gopkg.in/yaml.v2"
 	"io/ioutil"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
 	"net/http"
 	"os"
 	"os/signal"
@@ -76,6 +81,7 @@ func newCmdRun(rootCmdOptions *RootCmdOptions) *cobra.Command {
 	cmd.Flags().BoolVar(&options.Dev, "dev", false, "Enable Dev mode (equivalent to \"-w --logs --sync\")")
 	cmd.Flags().StringSliceVarP(&options.Traits, "trait", "t", nil, "Configure a trait. E.g. \"-t service.enabled=false\"")
 	cmd.Flags().StringSliceVar(&options.LoggingLevels, "logging-level", nil, "Configure the logging level. E.g. \"--logging-level org.apache.camel=DEBUG\"")
+	cmd.Flags().StringVarP(&options.OutputFormat, "output", "o", "", "Output format. One of: json|yaml")
 
 	// completion support
 	configureKnownCompletions(&cmd)
@@ -99,6 +105,7 @@ type runCmdOptions struct {
 	Dev                bool
 	Traits             []string
 	LoggingLevels      []string
+	OutputFormat       string
 }
 
 func (o *runCmdOptions) validateArgs(cmd *cobra.Command, args []string) error {
@@ -322,6 +329,33 @@ func (o *runCmdOptions) updateIntegrationCode(filename string) (*v1alpha1.Integr
 		}
 	}
 
+	switch o.OutputFormat {
+	case "":
+		// continue..
+	case "yaml":
+		jsondata, err := toJson(&integration)
+		if err != nil {
+			return nil, err
+		}
+		yamldata, err := jsonToYaml(jsondata)
+		if err != nil {
+			return nil, err
+		}
+		fmt.Print(string(yamldata))
+		return nil, nil
+
+	case "json":
+		data, err := toJson(&integration)
+		if err != nil {
+			return nil, err
+		}
+		fmt.Print(string(data))
+		return nil, nil
+
+	default:
+		return nil, fmt.Errorf("invalid output format option '%s', should be one of: yaml|json", o.OutputFormat)
+	}
+
 	existed := false
 	err = sdk.Create(&integration)
 	if err != nil && k8serrors.IsAlreadyExists(err) {
@@ -347,6 +381,33 @@ func (o *runCmdOptions) updateIntegrationCode(filename string) (*v1alpha1.Integr
 	return &integration, nil
 }
 
+func toJson(value runtime.Object) ([]byte, error) {
+	u, err := k8sutil.UnstructuredFromRuntimeObject(value)
+	if err != nil {
+		return nil, fmt.Errorf("error creating unstructured data: %v", err)
+		return nil, err
+	}
+	data, err := runtime.Encode(unstructured.UnstructuredJSONScheme, u)
+	if err != nil {
+		return nil, fmt.Errorf("error marshalling to json: %v", err)
+		return nil, err
+	}
+	return data, nil
+}
+
+func jsonToYaml(src []byte) ([]byte, error) {
+	jsondata := map[string]interface{}{}
+	err := json.Unmarshal(src, &jsondata)
+	if err != nil {
+		return nil, fmt.Errorf("error unmarshalling json: %v", err)
+	}
+	yamldata, err := yaml.Marshal(&jsondata)
+	if err != nil {
+		return nil, fmt.Errorf("error marshalling to yaml: %v", err)
+	}
+	return yamldata, nil
+}
+
 func (*runCmdOptions) loadCode(fileName string) (string, error) {
 	if !strings.HasPrefix(fileName, "http://") && !strings.HasPrefix(fileName, "https://") {
 		content, err := ioutil.ReadFile(fileName)


 

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