mirror of
https://github.com/yannh/kubeconform.git
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54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
package validator
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import (
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"fmt"
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"github.com/xeipuuv/gojsonschema"
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"sigs.k8s.io/yaml"
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)
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type InvalidResourceError struct { err string }
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func (r InvalidResourceError) Error() string{
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return r.err
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}
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// ValidFormat is a type for quickly forcing
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// new formats on the gojsonschema loader
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type ValidFormat struct{}
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func (f ValidFormat) IsFormat(input interface{}) bool {
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return true
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}
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// From kubeval - let's see if absolutely necessary
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// func init () {
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// gojsonschema.FormatCheckers.Add("int64", ValidFormat{})
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// gojsonschema.FormatCheckers.Add("byte", ValidFormat{})
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// gojsonschema.FormatCheckers.Add("int32", ValidFormat{})
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// gojsonschema.FormatCheckers.Add("int-or-string", ValidFormat{})
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// }
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func Validate(rawResource []byte, rawSchema []byte) error {
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schemaLoader := gojsonschema.NewBytesLoader(rawSchema)
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schema, err := gojsonschema.NewSchema(schemaLoader)
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if err != nil {
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return err
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}
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var resource map[string]interface{}
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if err = yaml.Unmarshal(rawResource, &resource); err != nil {
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return fmt.Errorf("error unmarshalling resource: %s", err)
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}
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resourceLoader := gojsonschema.NewGoLoader(resource)
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results, err := schema.Validate(resourceLoader)
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if err != nil {
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// This error can only happen if the Object to validate is poorly formed. There's no hope of saving this one
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return fmt.Errorf("problem validating schema. Check JSON formatting: %s", err)
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}
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if !results.Valid() {
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return InvalidResourceError{err: fmt.Sprintf("resource does not conform to schema: %+v", results) }
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}
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return nil
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}
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