pulumi/pkg/resource/check.go

// Licensed to Pulumi Corporation ("Pulumi") under one or more
// contributor license agreements.  See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// Pulumi licenses this file to You 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.

package resource

import (
	"reflect"

	"github.com/pulumi/lumi/pkg/util/mapper"
	"github.com/pulumi/lumi/sdk/go/pkg/lumirpc"
)

// NewCheckError creates a new error pertaining to a resource.  Note that it just turns around and defers to
// the same mapping infrastructure used for serialization and deserialization, but it presents a nicer interface.
func NewCheckError(errs []error) error {
	return mapper.NewMappingError(errs)
}

// NewFieldError creates a new error pertaining to a resource's field.  Note that it just turns around and defers to
// the same mapping infrastructure used for serialization and deserialization, but it presents a nicer interface.
func NewFieldError(ty reflect.Type, fld string, err error) error {
	return mapper.NewFieldError(ty, fld, err)
}

// NewCheckResponse produces a response with property validation failures from the given array of mapper failures.
func NewCheckResponse(err error) *lumirpc.CheckResponse {
	var failures []*lumirpc.CheckFailure
	if err != nil {
		switch e := err.(type) {
		case mapper.MappingError:
			for _, failure := range e.Failures() {
				switch f := failure.(type) {
				case mapper.FieldError:
					failures = append(failures, &lumirpc.CheckFailure{
						Property: f.Field(),
						Reason:   f.Reason(),
					})
				default:
					failures = append(failures, &lumirpc.CheckFailure{Reason: f.Error()})
				}
			}
		default:
			failures = append(failures, &lumirpc.CheckFailure{Reason: e.Error()})
		}
	}
	return &lumirpc.CheckResponse{Failures: failures}
}