allow missing porter yaml in CLI (#3558)

Co-authored-by: David Townley <davidtownley@Davids-MacBook-Air.local>

api/client/porter_app.go

@@ -180,6 +180,7 @@ func (c *Client) ParseYAML(
 func (c *Client) ValidatePorterApp(
 	ctx context.Context,
 	projectID, clusterID uint,
+	appName string,
 	base64AppProto string,
 	deploymentTarget string,
 	commitSHA string,
@@ -187,6 +188,7 @@ func (c *Client) ValidatePorterApp(
 	resp := &porter_app.ValidatePorterAppResponse{}
 
 	req := &porter_app.ValidatePorterAppRequest{
+		AppName:            appName,
 		Base64AppProto:     base64AppProto,
 		DeploymentTargetId: deploymentTarget,
 		CommitSHA:          commitSHA,

api/server/handlers/porter_app/validate.go

@@ -44,6 +44,7 @@ type Deletions struct {
 
 // ValidatePorterAppRequest is the request object for the /apps/validate endpoint
 type ValidatePorterAppRequest struct {
+	AppName            string    `json:"app_name"`
 	Base64AppProto     string    `json:"b64_app_proto"`
 	DeploymentTargetId string    `json:"deployment_target_id"`
 	CommitSHA          string    `json:"commit_sha"`
@@ -81,29 +82,34 @@ func (c *ValidatePorterAppHandler) ServeHTTP(w http.ResponseWriter, r *http.Requ
 		return
 	}
 
-	if request.Base64AppProto == "" {
-		err := telemetry.Error(ctx, span, nil, "b64 yaml is empty")
-		c.HandleAPIError(w, r, apierrors.NewErrPassThroughToClient(err, http.StatusBadRequest))
-		return
-	}
-
-	decoded, err := base64.StdEncoding.DecodeString(request.Base64AppProto)
-	if err != nil {
-		err := telemetry.Error(ctx, span, err, "error decoding base  yaml")
-		c.HandleAPIError(w, r, apierrors.NewErrPassThroughToClient(err, http.StatusBadRequest))
-		return
-	}
-
 	appProto := &porterv1.PorterApp{}
-	err = helpers.UnmarshalContractObject(decoded, appProto)
-	if err != nil {
-		err := telemetry.Error(ctx, span, err, "error unmarshalling app proto")
-		c.HandleAPIError(w, r, apierrors.NewErrPassThroughToClient(err, http.StatusBadRequest))
-		return
+
+	if request.Base64AppProto == "" {
+		if request.AppName == "" {
+			err := telemetry.Error(ctx, span, nil, "app name is empty and no base64 proto provided")
+			c.HandleAPIError(w, r, apierrors.NewErrPassThroughToClient(err, http.StatusBadRequest))
+			return
+		}
+
+		appProto.Name = request.AppName
+	} else {
+		decoded, err := base64.StdEncoding.DecodeString(request.Base64AppProto)
+		if err != nil {
+			err := telemetry.Error(ctx, span, err, "error decoding base  yaml")
+			c.HandleAPIError(w, r, apierrors.NewErrPassThroughToClient(err, http.StatusBadRequest))
+			return
+		}
+
+		err = helpers.UnmarshalContractObject(decoded, appProto)
+		if err != nil {
+			err := telemetry.Error(ctx, span, err, "error unmarshalling app proto")
+			c.HandleAPIError(w, r, apierrors.NewErrPassThroughToClient(err, http.StatusBadRequest))
+			return
+		}
 	}
 
 	if appProto.Name == "" {
-		err := telemetry.Error(ctx, span, err, "app proto name is empty")
+		err := telemetry.Error(ctx, span, nil, "app proto name is empty")
 		c.HandleAPIError(w, r, apierrors.NewErrPassThroughToClient(err, http.StatusBadRequest))
 		return
 	}

cli/cmd/v2/apply.go

@@ -24,33 +24,41 @@ import (
 
 // Apply implements the functionality of the `porter apply` command for validate apply v2 projects
 func Apply(ctx context.Context, cliConf config.CLIConfig, client api.Client, porterYamlPath string) error {
-	if len(porterYamlPath) == 0 {
-		return fmt.Errorf("porter yaml is empty")
+	var appName string
+	if os.Getenv("PORTER_APP_NAME") != "" {
+		appName = os.Getenv("PORTER_APP_NAME")
+	} else if os.Getenv("PORTER_STACK_NAME") != "" {
+		appName = os.Getenv("PORTER_STACK_NAME")
 	}
 
-	porterYaml, err := os.ReadFile(filepath.Clean(porterYamlPath))
-	if err != nil {
-		return fmt.Errorf("could not read porter yaml file: %w", err)
-	}
+	var yamlB64 string
+	if len(porterYamlPath) != 0 {
+		porterYaml, err := os.ReadFile(filepath.Clean(porterYamlPath))
+		if err != nil {
+			return fmt.Errorf("could not read porter yaml file: %w", err)
+		}
 
-	b64YAML := base64.StdEncoding.EncodeToString(porterYaml)
+		b64YAML := base64.StdEncoding.EncodeToString(porterYaml)
 
-	// last argument is passed to accommodate users with v1 porter yamls
-	parseResp, err := client.ParseYAML(ctx, cliConf.Project, cliConf.Cluster, b64YAML, os.Getenv("PORTER_STACK_NAME"))
-	if err != nil {
-		return fmt.Errorf("error calling parse yaml endpoint: %w", err)
-	}
+		// last argument is passed to accommodate users with v1 porter yamls
+		parseResp, err := client.ParseYAML(ctx, cliConf.Project, cliConf.Cluster, b64YAML, os.Getenv("PORTER_STACK_NAME"))
+		if err != nil {
+			return fmt.Errorf("error calling parse yaml endpoint: %w", err)
+		}
 
-	if parseResp.B64AppProto == "" {
-		return errors.New("b64 app proto is empty")
-	}
+		if parseResp.B64AppProto == "" {
+			return errors.New("b64 app proto is empty")
+		}
+		yamlB64 = parseResp.B64AppProto
 
-	appName, err := appNameFromB64AppProto(parseResp.B64AppProto)
-	if err != nil {
-		return fmt.Errorf("error getting app name from b64 app proto: %w", err)
-	}
+		// override app name if provided
+		appName, err = appNameFromB64AppProto(parseResp.B64AppProto)
+		if err != nil {
+			return fmt.Errorf("error getting app name from b64 app proto: %w", err)
+		}
 
-	color.New(color.FgGreen).Printf("Successfully parsed Porter YAML: applying app \"%s\"\n", appName) // nolint:errcheck,gosec
+		color.New(color.FgGreen).Printf("Successfully parsed Porter YAML: applying app \"%s\"\n", appName) // nolint:errcheck,gosec
+	}
 
 	targetResp, err := client.DefaultDeploymentTarget(ctx, cliConf.Project, cliConf.Cluster)
 	if err != nil {
@@ -70,7 +78,7 @@ func Apply(ctx context.Context, cliConf config.CLIConfig, client api.Client, por
 		commitSHA = commit.Sha
 	}
 
-	validateResp, err := client.ValidatePorterApp(ctx, cliConf.Project, cliConf.Cluster, parseResp.B64AppProto, targetResp.DeploymentTargetID, commitSHA)
+	validateResp, err := client.ValidatePorterApp(ctx, cliConf.Project, cliConf.Cluster, appName, yamlB64, targetResp.DeploymentTargetID, commitSHA)
 	if err != nil {
 		return fmt.Errorf("error calling validate endpoint: %w", err)
 	}
@@ -154,6 +162,8 @@ func Apply(ctx context.Context, cliConf config.CLIConfig, client api.Client, por
 		}
 	}
 
+	color.New(color.FgGreen).Printf("Image tag exists in repository") // nolint:errcheck,gosec
+
 	if applyResp.CLIAction == porterv1.EnumCLIAction_ENUM_CLI_ACTION_TRACK_PREDEPLOY {
 		color.New(color.FgGreen).Printf("Waiting for predeploy to complete...\n") // nolint:errcheck,gosec