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json_collector.go
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json_collector.go
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// Copyright 2022 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
//
// https://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 outputs
import (
"os"
"github.com/google/gke-policy-automation/internal/log"
"github.com/google/gke-policy-automation/internal/policy"
)
type JSONResultCollector struct {
fileWriter FileWriter
filename string
reportMapper ValidationReportMapper
}
type FileWriter interface {
WriteFile(filename string, data []byte, perm os.FileMode) error
}
type OSFileWriter struct {
}
// WriteFile implements the Writer interface that's been created so that ioutil.WriteFile can be mocked
func (w OSFileWriter) WriteFile(filename string, data []byte, perm os.FileMode) error {
return os.WriteFile(filename, data, perm)
}
func NewJSONResultToFileCollector(filename string) ValidationResultCollector {
return &JSONResultCollector{
filename: filename,
fileWriter: OSFileWriter{},
reportMapper: NewValidationReportMapper(),
}
}
func NewJSONResultToCustomWriterCollector(filename string, writer FileWriter) ValidationResultCollector {
return &JSONResultCollector{
filename: filename,
fileWriter: writer,
reportMapper: NewValidationReportMapper(),
}
}
func (p *JSONResultCollector) RegisterResult(results []*policy.PolicyEvaluationResult) error {
p.reportMapper.AddResults(results)
return nil
}
func (p *JSONResultCollector) Close() error {
reportData, err := p.reportMapper.GetJSONReport()
if err != nil {
return err
}
if err = p.fileWriter.WriteFile(p.filename, reportData, 0644); err != nil {
return err
}
log.Infof("Validation results written to the [%s] file", p.filename)
return nil
}
func (p *JSONResultCollector) Name() string {
return p.filename + " file"
}