Runtime: APIs to get connector details for a project

cli/cmd/env/configure.go

@@ -3,15 +3,19 @@ package env
 import (
 	"context"
 	"fmt"
+	"os"
 	"slices"
+	"strings"
 
 	"github.com/AlecAivazis/survey/v2"
 	"github.com/rilldata/rill/cli/pkg/cmdutil"
 	"github.com/rilldata/rill/cli/pkg/gitutil"
 	adminv1 "github.com/rilldata/rill/proto/gen/rill/admin/v1"
 	"github.com/rilldata/rill/runtime/compilers/rillv1"
 	"github.com/rilldata/rill/runtime/compilers/rillv1beta"
+	"github.com/rilldata/rill/runtime/drivers"
 	"github.com/rilldata/rill/runtime/pkg/activity"
+	"github.com/rilldata/rill/runtime/pkg/fileutil"
 	"github.com/spf13/cobra"
 )
 
@@ -187,11 +191,8 @@ func VariablesFlow(ctx context.Context, ch *cmdutil.Helper, projectPath string)
 		}
 
 		fmt.Printf("\nConfiguring connector %q:\n", c.Name)
-		if c.Spec.ServiceAccountDocs != "" {
-			fmt.Printf("For instructions on how to create a service account, see: %s\n", c.Spec.ServiceAccountDocs)
-		}
-		if c.Spec.Help != "" {
-			fmt.Println(c.Spec.Help)
+		if c.Spec.DocsURL != "" {
+			fmt.Printf("For instructions on how to configure, see: %s\n", c.Spec.DocsURL)
 		}
 
 		for i := range c.Spec.ConfigProperties {
@@ -210,12 +211,9 @@ func VariablesFlow(ctx context.Context, ch *cmdutil.Helper, projectPath string)
 				question.Prompt = &survey.Input{Message: msg, Default: prop.Default}
 			}
 
-			if prop.TransformFunc != nil {
-				question.Transform = prop.TransformFunc
-			}
-
-			if prop.ValidateFunc != nil {
-				question.Validate = prop.ValidateFunc
+			if prop.Type == drivers.FilePropertyType {
+				question.Transform = fileTransformFunc
+				question.Validate = fileValidateFunc
 			}
 
 			answer := ""
@@ -237,3 +235,34 @@ func VariablesFlow(ctx context.Context, ch *cmdutil.Helper, projectPath string)
 
 	return variables, nil
 }
+
+func fileValidateFunc(any interface{}) error {
+	val := any.(string)
+	if val == "" {
+		// user can chhose to leave empty for public sources
+		return nil
+	}
+
+	path, err := fileutil.ExpandHome(strings.TrimSpace(val))
+	if err != nil {
+		return err
+	}
+
+	_, err = os.Stat(path)
+	return err
+}
+
+func fileTransformFunc(any interface{}) interface{} {
+	val := any.(string)
+	if val == "" {
+		return ""
+	}
+
+	path, err := fileutil.ExpandHome(strings.TrimSpace(val))
+	if err != nil {
+		return err
+	}
+	// ignoring error since PathError is already validated
+	content, _ := os.ReadFile(path)
+	return string(content)
+}