Support for consuming json files for spinnaker (#139)

main.go

@@ -65,6 +65,7 @@ var migrationReq = struct {
 	SpinnakerAPIKey       string `survey:"spinnaker-api-key"`
 	SpinnakerAppName      string `survey:"app-name"`
 	PipelineName          string `survey:"pipeline-name"`
+	PipelineJson          string `survey:"pipeline-json"`
 	Cert                  string `survey:"cert"`
 	Key                   string `survey:"key"`
 	Auth64                string `survey:"auth64"`
@@ -136,18 +137,28 @@ func logMigrationDetails() {
 }
 
 func logSpinnakerMigrationDetails(authMethod string) {
+
+	determinePipelineOutput := func() string {
+		if len(migrationReq.PipelineJson) > 0 {
+			return migrationReq.PipelineJson
+		}
+		if len(migrationReq.PipelineName) > 0 {
+			return migrationReq.PipelineName
+		}
+		return "All"
+	}
 	// Manually format the log message with line breaks
 	logMessage := fmt.Sprintf("\nMigration details:\n"+
 		"  Platform: %s\n"+
 		"  Spinnaker Host: %s\n"+
 		"  App name: %s\n"+
-		"  Pipeline Name: %s\n"+
+		"  Pipeline(s): %s\n"+
 		"  Authentication method: %s \n"+
 		"  Insecure: %t",
 		migrationReq.Platform,
 		migrationReq.SpinnakerHost,
 		migrationReq.SpinnakerAppName,
-		migrationReq.PipelineName,
+		determinePipelineOutput(),
 		authMethod,
 		migrationReq.AllowInsecureReq,
 	)
@@ -346,6 +357,11 @@ func main() {
 			Usage:       "Specifies URL to the Spinnaker Gate service. Required when --platform is spinnaker.",
 			Destination: &migrationReq.SpinnakerHost,
 		}),
+		altsrc.NewStringFlag(&cli.StringFlag{
+			Name:        "pipeline-json",
+			Usage:       "Specifies Spinnaker Pipeline JSON file to be migrated.",
+			Destination: &migrationReq.PipelineJson,
+		}),
 		altsrc.NewStringFlag(&cli.StringFlag{
 			Name:        "spinnaker-api-key",
 			Usage:       "Specifies URL to the Spinnaker Gate service. Required when --platform is spinnaker.",
@@ -593,7 +609,7 @@ func main() {
 					},
 					&cli.StringFlag{
 						Name:        "pipeline-name",
-						Usage:       "Specifies Spinnaker Pipeline which to be migrated.",
+						Usage:       "Specifies Spinnaker Pipeline to be migrated.",
 						Destination: &migrationReq.PipelineName,
 					},
 					&cli.StringFlag{

pipelines.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"os"
 	"sort"
 	"strconv"
 
@@ -72,40 +73,58 @@ func migrateSpinnakerPipelines() error {
 		authMethod = authx509
 	}
 	log.Info("Importing the application....")
-	if len(migrationReq.SpinnakerHost) == 0 {
+	if len(migrationReq.PipelineJson) == 0 && len(migrationReq.SpinnakerHost) == 0 {
 		migrationReq.SpinnakerHost = TextInput("Please provide spinnaker host : ")
 	}
-	if len(migrationReq.SpinnakerAppName) == 0 {
+	if len(migrationReq.PipelineJson) == 0 && len(migrationReq.SpinnakerAppName) == 0 {
 		migrationReq.SpinnakerAppName = TextInput("Please provide the Spinnaker application name : ")
 	}
 	if !migrationReq.All {
-		migrationReq.PipelineName = TextInput("Please provide the Spinnaker pipeline name : ")
+		if len(migrationReq.PipelineJson) == 0 {
+			migrationReq.PipelineName = TextInput("Please provide the Spinnaker pipeline name : ")
+		}
 	}
 
 	logSpinnakerMigrationDetails(authMethod)
 	confirm := ConfirmInput("Do you want to proceed with pipeline migration?")
 	if !confirm {
 		log.Fatal("Aborting...")
 	}
+
 	var jsonBody []byte
 	var pipelines []map[string]interface{}
 	var err error
+
 	if len(migrationReq.PipelineName) > 0 {
 		jsonBody, err = getSinglePipeline(authMethod, migrationReq.PipelineName)
 	} else {
-		jsonBody, err = getAllPipelines(authMethod, migrationReq.SpinnakerAppName)
+		if len(migrationReq.PipelineJson) > 0 {
+			// Read from file
+			jsonBody, err = os.ReadFile(migrationReq.PipelineJson)
+			if err != nil {
+				return fmt.Errorf("failed to read pipeline JSON file: %v", err)
+			}
+		} else {
+			jsonBody, err = getAllPipelines(authMethod, migrationReq.SpinnakerAppName)
+		}
 	}
+
 	if err != nil {
 		return err
 	}
+
 	pipelines, err = normalizeJsonArray(jsonBody)
 	if err != nil {
 		return err
 	}
-	pipelines, err = fetchDependentPipelines(pipelines, err, authMethod)
+
+	if len(migrationReq.PipelineJson) == 0 {
+		pipelines, err = fetchDependentPipelines(pipelines, err, authMethod)
+	}
 	if err != nil {
 		return err
 	}
+
 	payload := map[string][]map[string]interface{}{"pipelines": pipelines}
 	_, err = createSpinnakerPipelines(payload)
 	return err
@@ -163,7 +182,7 @@ func addDependentPipelineRecursive(pipelines []map[string]interface{}, pipelineS
 		}
 		stages, ok := p["stages"].([]interface{})
 		if !ok {
-			fmt.Println("error: nable to assert 'stages' to the correct type.")
+			fmt.Println("error: unable to assert 'stages' to the correct type.")
 			return nil, errors.New("unable to assert 'stages' to the correct type")
 		}
 		for _, stage := range stages {