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Replace Gzip with PGzip (#266)

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* Replace Gzip with optimized PGzip. Add concurrency option.

* Add shortened timeout for 'dc down' too.

* Add NaturalNumberZero to allow zero.

* Add test for concurrency=0

* Rename to GZIP_PARALLELISM

* Fix block size. Fix compression level. Fix CI.

* Refactor compression writer fetching. Renamed WholeNumber
This commit is contained in:
MaxJa4
2023-09-03 16:49:52 +02:00
committed by GitHub
parent 1e39ac41f4
commit 336c5bed71
8 changed files with 114 additions and 17 deletions
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21
cmd/backup/config.go
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@@ -28,6 +28,7 @@ type Config struct {
AwsIamRoleEndpoint string `split_words:"true"`
AwsPartSize int64 `split_words:"true"`
BackupCompression CompressionType `split_words:"true" default:"gz"`
GzipParallelism WholeNumber `split_words:"true" default:"1"`
BackupSources string `split_words:"true" default:"/backup"`
BackupFilename string `split_words:"true" default:"backup-%Y-%m-%dT%H-%M-%S.{{ .Extension }}"`
BackupFilenameExpand bool `split_words:"true"`
@@ -131,6 +132,7 @@ func (r *RegexpDecoder) Decode(v string) error {
return nil
}
// NaturalNumber is a type that can be used to decode a positive, non-zero natural number
type NaturalNumber int
func (n *NaturalNumber) Decode(v string) error {
@@ -148,3 +150,22 @@ func (n *NaturalNumber) Decode(v string) error {
func (n *NaturalNumber) Int() int {
return int(*n)
}
// WholeNumber is a type that can be used to decode a positive whole number, including zero
type WholeNumber int
func (n *WholeNumber) Decode(v string) error {
asInt, err := strconv.Atoi(v)
if err != nil {
return fmt.Errorf("config: error converting %s to int", v)
}
if asInt < 0 {
return fmt.Errorf("config: expected a whole, positive number, including zero. Got %d", asInt)
}
*n = WholeNumber(asInt)
return nil
}
func (n *WholeNumber) Int() int {
return int(*n)
}