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vet.go
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vet.go
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// Copyright 2023 Google LLC
//
// 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 stages
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/gruntwork-io/terratest/modules/logger"
"github.com/gruntwork-io/terratest/modules/terraform"
"github.com/mitchellh/go-testing-interface"
"github.com/tidwall/gjson"
"github.com/GoogleCloudPlatform/cloud-foundation-toolkit/infra/blueprint-test/pkg/gcloud"
"github.com/GoogleCloudPlatform/cloud-foundation-toolkit/infra/blueprint-test/pkg/utils"
)
// TerraformVet runs gcloud terraform vet on the plan of the provided terraform directory
func TerraformVet(t testing.TB, terraformDir, policyPath, project string) error {
fmt.Println("")
fmt.Println("# Running gcloud terraform vet")
fmt.Println("")
options := &terraform.Options{
TerraformDir: terraformDir,
Logger: logger.Discard,
NoColor: true,
PlanFilePath: filepath.Join(os.TempDir(), "plan.tfplan"),
}
_, err := terraform.PlanE(t, options)
if err != nil {
return err
}
jsonPlan, err := terraform.ShowE(t, options)
if err != nil {
return err
}
jsonFile, err := utils.WriteTmpFileWithExtension(jsonPlan, "json")
defer os.Remove(jsonFile)
defer os.Remove(options.PlanFilePath)
if err != nil {
return err
}
command := fmt.Sprintf("beta terraform vet %s --policy-library=%s --project=%s --quiet", jsonFile, policyPath, project)
result, err := gcloud.RunCmdE(t, command)
if err != nil && !(strings.Contains(err.Error(), "Validating resources") && strings.Contains(err.Error(), "done")) {
return err
}
if !gjson.Valid(result) {
return fmt.Errorf("Error parsing output, invalid json: %s", result)
}
if len(gjson.Parse(result).Array()) > 0 {
return fmt.Errorf("Policy violations found: %s", result)
}
fmt.Println("")
fmt.Println("# The configuration passed tf vet.")
fmt.Println("")
return nil
}