70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
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package diagnostic
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import (
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"archive/zip"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"time"
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)
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// CreateDiagnosticZipFile create a zip file with the contents from the all
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// files paths. The files will be written in the root of the zip file.
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// In case of an error occurs after whilst writing to the zip file
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// this will be removed.
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func CreateDiagnosticZipFile(base string, paths []string) (zipFileName string, err error) {
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// Create a zip file with all files from paths added to the root
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suffix := time.Now().Format(time.RFC3339)
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zipFileName = base + "-" + suffix + ".zip"
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zipFileName = strings.ReplaceAll(zipFileName, ":", "-")
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archive, cerr := os.Create(zipFileName)
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if cerr != nil {
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return "", fmt.Errorf("error creating file %s: %w", zipFileName, cerr)
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}
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archiveWriter := zip.NewWriter(archive)
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defer func() {
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archiveWriter.Close()
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archive.Close()
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if err != nil {
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os.Remove(zipFileName)
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}
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}()
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for _, file := range paths {
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if file == "" {
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continue
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}
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var handle *os.File
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handle, err = os.Open(file)
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if err != nil {
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return "", fmt.Errorf("error opening file %s: %w", zipFileName, err)
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}
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defer handle.Close()
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// Keep the base only to not create sub directories in the
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// zip file.
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var writer io.Writer
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writer, err = archiveWriter.Create(filepath.Base(file))
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if err != nil {
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return "", fmt.Errorf("error creating archive writer from %s: %w", file, err)
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}
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if _, err = io.Copy(writer, handle); err != nil {
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return "", fmt.Errorf("error copying file %s: %w", file, err)
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}
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}
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zipFileName = archive.Name()
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return zipFileName, nil
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}
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