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schema_check.go
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schema_check.go
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// Copyright 2016-2021, Pulumi Corporation.
//
// 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.
package main
import (
"encoding/json"
"errors"
"fmt"
"io"
"os"
"path/filepath"
"github.com/hashicorp/hcl/v2"
"github.com/spf13/cobra"
"gopkg.in/yaml.v3"
"github.com/pulumi/pulumi/pkg/v3/codegen/schema"
"github.com/pulumi/pulumi/sdk/v3/go/common/util/cmdutil"
"github.com/pulumi/pulumi/sdk/v3/go/common/util/contract"
)
func newSchemaCheckCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "check",
Args: cmdutil.ExactArgs(1),
Short: "Check a Pulumi package schema for errors",
Long: "Check a Pulumi package schema for errors.\n" +
"\n" +
"Ensure that a Pulumi package schema meets the requirements imposed by the\n" +
"schema spec as well as additional requirements imposed by the supported\n" +
"target languages.",
Run: cmdutil.RunFunc(func(cmd *cobra.Command, args []string) error {
file := args[0]
// Read from stdin or a specified file
reader := os.Stdin
if file != "-" {
f, err := os.Open(file)
if err != nil {
return fmt.Errorf("could not open file %v: %w", file, err)
}
reader = f
}
schemaBytes, err := io.ReadAll(reader)
if err != nil {
return fmt.Errorf("failed to read schema: %w", err)
}
var pkgSpec schema.PackageSpec
if ext := filepath.Ext(file); ext == ".yaml" || ext == ".yml" {
err = yaml.Unmarshal(schemaBytes, &pkgSpec)
} else {
err = json.Unmarshal(schemaBytes, &pkgSpec)
}
if err != nil {
return fmt.Errorf("failed to unmarshal schema: %w", err)
}
_, diags, err := schema.BindSpec(pkgSpec, nil)
diagWriter := hcl.NewDiagnosticTextWriter(os.Stderr, nil, 0, true)
wrErr := diagWriter.WriteDiagnostics(diags)
contract.IgnoreError(wrErr)
if err == nil && diags.HasErrors() {
return errors.New("schema validation failed")
}
return err
}),
}
return cmd
}