From 7ca79528359a1ea87fb32c084ad0d9bcc06bb20f Mon Sep 17 00:00:00 2001
From: Yann Hamon <yann@mandragor.org>
Date: Tue, 24 Jan 2023 21:50:34 +0100
Subject: [PATCH] Try to expose JSON paths

---
 pkg/output/json.go         | 15 ++++++++-------
 pkg/validator/validator.go | 17 ++++++++++++++++-
 2 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/pkg/output/json.go b/pkg/output/json.go
index 872d22c..cd5c071 100644
--- a/pkg/output/json.go
+++ b/pkg/output/json.go
@@ -9,12 +9,13 @@ import (
 )
 
 type oresult struct {
-	Filename string `json:"filename"`
-	Kind     string `json:"kind"`
-	Name     string `json:"name"`
-	Version  string `json:"version"`
-	Status   string `json:"status"`
-	Msg      string `json:"msg"`
+	Filename string   `json:"filename"`
+	Kind     string   `json:"kind"`
+	Name     string   `json:"name"`
+	Version  string   `json:"version"`
+	Status   string   `json:"status"`
+	Msg      string   `json:"msg"`
+	Errors   []string `json:"errors,omitempty"`
 }
 
 type jsono struct {
@@ -63,7 +64,7 @@ func (o *jsono) Write(result validator.Result) error {
 
 	if o.verbose || (result.Status != validator.Valid && result.Status != validator.Skipped && result.Status != validator.Empty) {
 		sig, _ := result.Resource.Signature()
-		o.results = append(o.results, oresult{Filename: result.Resource.Path, Kind: sig.Kind, Name: sig.Name, Version: sig.Version, Status: st, Msg: msg})
+		o.results = append(o.results, oresult{Filename: result.Resource.Path, Kind: sig.Kind, Name: sig.Name, Version: sig.Version, Status: st, Msg: msg, Errors: result.ErrPaths})
 	}
 
 	return nil
diff --git a/pkg/validator/validator.go b/pkg/validator/validator.go
index 34b9036..3940960 100644
--- a/pkg/validator/validator.go
+++ b/pkg/validator/validator.go
@@ -3,6 +3,7 @@ package validator
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 
@@ -30,6 +31,7 @@ const (
 type Result struct {
 	Resource resource.Resource
 	Err      error
+	ErrPaths []string
 	Status   Status
 }
 
@@ -181,7 +183,20 @@ func (val *v) ValidateResource(res resource.Resource) Result {
 
 	err = schema.Validate(r)
 	if err != nil {
-		return Result{Resource: res, Status: Invalid, Err: fmt.Errorf("problem validating schema. Check JSON formatting: %s", err)}
+		errPaths := []string{}
+		var e *jsonschema.ValidationError
+		if errors.As(err, &e) {
+			for _, cause := range e.Causes {
+				errPaths = append(errPaths, cause.KeywordLocation)
+			}
+		}
+
+		return Result{
+			Resource: res,
+			Status:   Invalid,
+			Err:      fmt.Errorf("problem validating schema. Check JSON formatting: %s", err),
+			ErrPaths: errPaths,
+		}
 	}
 
 	return Result{Resource: res, Status: Valid}