134 lines
3.3 KiB
Go
134 lines
3.3 KiB
Go
// Copyright 2020 The gVisor Authors.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// Binary yamltest does strict yaml parsing and validation.
|
|
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"flag"
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/xeipuuv/gojsonschema"
|
|
yaml "gopkg.in/yaml.v2"
|
|
)
|
|
|
|
func fixup(v interface{}) (interface{}, error) {
|
|
switch x := v.(type) {
|
|
case map[interface{}]interface{}:
|
|
// Coerse into a string-based map, required for yaml.
|
|
strMap := make(map[string]interface{})
|
|
for k, v := range x {
|
|
strK, ok := k.(string)
|
|
if !ok {
|
|
// This cannot be converted to JSON at all.
|
|
return nil, fmt.Errorf("invalid key %T in (%#v)", k, x)
|
|
}
|
|
fv, err := fixup(v)
|
|
if err != nil {
|
|
return nil, fmt.Errorf(".%s%w", strK, err)
|
|
}
|
|
strMap[strK] = fv
|
|
}
|
|
return strMap, nil
|
|
case []interface{}:
|
|
for i := range x {
|
|
fv, err := fixup(x[i])
|
|
if err != nil {
|
|
return nil, fmt.Errorf("[%d]%w", i, err)
|
|
}
|
|
x[i] = fv
|
|
}
|
|
return x, nil
|
|
default:
|
|
return v, nil
|
|
}
|
|
}
|
|
|
|
func loadFile(filename string) (gojsonschema.JSONLoader, error) {
|
|
f, err := os.Open(filename)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer f.Close()
|
|
dec := yaml.NewDecoder(f)
|
|
dec.SetStrict(true)
|
|
var object interface{}
|
|
if err := dec.Decode(&object); err != nil {
|
|
return nil, err
|
|
}
|
|
fixedObject, err := fixup(object) // For serialization.
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
bytes, err := json.Marshal(fixedObject)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return gojsonschema.NewStringLoader(string(bytes)), nil
|
|
}
|
|
|
|
var schema = flag.String("schema", "", "path to JSON schema file.")
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
if *schema == "" || len(flag.Args()) == 0 {
|
|
flag.Usage()
|
|
os.Exit(2)
|
|
}
|
|
|
|
// Construct our schema loader.
|
|
schemaLoader := gojsonschema.NewReferenceLoader(fmt.Sprintf("file://%s", *schema))
|
|
|
|
// Parse all documents.
|
|
allErrors := make(map[string][]error)
|
|
for _, filename := range flag.Args() {
|
|
// Record the filename with an empty slice for below, where
|
|
// we will emit all files (even those without any errors).
|
|
allErrors[filename] = nil
|
|
documentLoader, err := loadFile(filename)
|
|
if err != nil {
|
|
allErrors[filename] = append(allErrors[filename], err)
|
|
continue
|
|
}
|
|
result, err := gojsonschema.Validate(schemaLoader, documentLoader)
|
|
if err != nil {
|
|
allErrors[filename] = append(allErrors[filename], err)
|
|
continue
|
|
}
|
|
for _, desc := range result.Errors() {
|
|
allErrors[filename] = append(allErrors[filename], errors.New(desc.String()))
|
|
}
|
|
}
|
|
|
|
// Print errors in yaml format.
|
|
totalErrors := 0
|
|
for filename, errs := range allErrors {
|
|
totalErrors += len(errs)
|
|
if len(errs) == 0 {
|
|
fmt.Fprintf(os.Stderr, "%s: ✓\n", filename)
|
|
continue
|
|
}
|
|
fmt.Fprintf(os.Stderr, "%s:\n", filename)
|
|
for _, err := range errs {
|
|
fmt.Fprintf(os.Stderr, "- %s\n", err)
|
|
}
|
|
}
|
|
if totalErrors != 0 {
|
|
os.Exit(1)
|
|
}
|
|
}
|