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mirror of https://github.com/octoleo/restic.git synced 2024-11-15 17:47:21 +00:00
restic/internal/ui/backup/json.go
Alexander Neumann 6c4ceaf1e7 Print number of bytes added to the repo
This includes optional compression and crypto overhead.
2022-07-02 18:55:12 +02:00

253 lines
7.6 KiB
Go

package backup
import (
"bytes"
"encoding/json"
"os"
"sort"
"time"
"github.com/restic/restic/internal/archiver"
"github.com/restic/restic/internal/restic"
"github.com/restic/restic/internal/ui"
"github.com/restic/restic/internal/ui/termstatus"
)
// JSONProgress reports progress for the `backup` command in JSON.
type JSONProgress struct {
*ui.Message
*ui.StdioWrapper
term *termstatus.Terminal
v uint
}
// assert that Backup implements the ProgressPrinter interface
var _ ProgressPrinter = &JSONProgress{}
// NewJSONProgress returns a new backup progress reporter.
func NewJSONProgress(term *termstatus.Terminal, verbosity uint) *JSONProgress {
return &JSONProgress{
Message: ui.NewMessage(term, verbosity),
StdioWrapper: ui.NewStdioWrapper(term),
term: term,
v: verbosity,
}
}
func toJSONString(status interface{}) string {
buf := new(bytes.Buffer)
err := json.NewEncoder(buf).Encode(status)
if err != nil {
panic(err)
}
return buf.String()
}
func (b *JSONProgress) print(status interface{}) {
b.term.Print(toJSONString(status))
}
func (b *JSONProgress) error(status interface{}) {
b.term.Error(toJSONString(status))
}
// Update updates the status lines.
func (b *JSONProgress) Update(total, processed Counter, errors uint, currentFiles map[string]struct{}, start time.Time, secs uint64) {
status := statusUpdate{
MessageType: "status",
SecondsElapsed: uint64(time.Since(start) / time.Second),
SecondsRemaining: secs,
TotalFiles: total.Files,
FilesDone: processed.Files,
TotalBytes: total.Bytes,
BytesDone: processed.Bytes,
ErrorCount: errors,
}
if total.Bytes > 0 {
status.PercentDone = float64(processed.Bytes) / float64(total.Bytes)
}
for filename := range currentFiles {
status.CurrentFiles = append(status.CurrentFiles, filename)
}
sort.Strings(status.CurrentFiles)
b.print(status)
}
// ScannerError is the error callback function for the scanner, it prints the
// error in verbose mode and returns nil.
func (b *JSONProgress) ScannerError(item string, fi os.FileInfo, err error) error {
b.error(errorUpdate{
MessageType: "error",
Error: err,
During: "scan",
Item: item,
})
return nil
}
// Error is the error callback function for the archiver, it prints the error and returns nil.
func (b *JSONProgress) Error(item string, fi os.FileInfo, err error) error {
b.error(errorUpdate{
MessageType: "error",
Error: err,
During: "archival",
Item: item,
})
return nil
}
// CompleteItem is the status callback function for the archiver when a
// file/dir has been saved successfully.
func (b *JSONProgress) CompleteItem(messageType, item string, previous, current *restic.Node, s archiver.ItemStats, d time.Duration) {
if b.v < 2 {
return
}
switch messageType {
case "dir new":
b.print(verboseUpdate{
MessageType: "verbose_status",
Action: "new",
Item: item,
Duration: d.Seconds(),
DataSize: s.DataSize,
DataSizeInRepo: s.DataSizeInRepo,
MetadataSize: s.TreeSize,
MetadataSizeInRepo: s.TreeSizeInRepo,
})
case "dir unchanged":
b.print(verboseUpdate{
MessageType: "verbose_status",
Action: "unchanged",
Item: item,
})
case "dir modified":
b.print(verboseUpdate{
MessageType: "verbose_status",
Action: "modified",
Item: item,
Duration: d.Seconds(),
DataSize: s.DataSize,
DataSizeInRepo: s.DataSizeInRepo,
MetadataSize: s.TreeSize,
MetadataSizeInRepo: s.TreeSizeInRepo,
})
case "file new":
b.print(verboseUpdate{
MessageType: "verbose_status",
Action: "new",
Item: item,
Duration: d.Seconds(),
DataSize: s.DataSize,
DataSizeInRepo: s.DataSizeInRepo,
})
case "file unchanged":
b.print(verboseUpdate{
MessageType: "verbose_status",
Action: "unchanged",
Item: item,
})
case "file modified":
b.print(verboseUpdate{
MessageType: "verbose_status",
Action: "modified",
Item: item,
Duration: d.Seconds(),
DataSize: s.DataSize,
DataSizeInRepo: s.DataSizeInRepo,
})
}
}
// ReportTotal sets the total stats up to now
func (b *JSONProgress) ReportTotal(item string, start time.Time, s archiver.ScanStats) {
if b.v >= 2 {
b.print(verboseUpdate{
MessageType: "status",
Action: "scan_finished",
Duration: time.Since(start).Seconds(),
DataSize: s.Bytes,
TotalFiles: s.Files,
})
}
}
// Finish prints the finishing messages.
func (b *JSONProgress) Finish(snapshotID restic.ID, start time.Time, summary *Summary, dryRun bool) {
b.print(summaryOutput{
MessageType: "summary",
FilesNew: summary.Files.New,
FilesChanged: summary.Files.Changed,
FilesUnmodified: summary.Files.Unchanged,
DirsNew: summary.Dirs.New,
DirsChanged: summary.Dirs.Changed,
DirsUnmodified: summary.Dirs.Unchanged,
DataBlobs: summary.ItemStats.DataBlobs,
TreeBlobs: summary.ItemStats.TreeBlobs,
DataAdded: summary.ItemStats.DataSize + summary.ItemStats.TreeSize,
TotalFilesProcessed: summary.Files.New + summary.Files.Changed + summary.Files.Unchanged,
TotalBytesProcessed: summary.ProcessedBytes,
TotalDuration: time.Since(start).Seconds(),
SnapshotID: snapshotID.Str(),
DryRun: dryRun,
})
}
// Reset no-op
func (b *JSONProgress) Reset() {
}
type statusUpdate struct {
MessageType string `json:"message_type"` // "status"
SecondsElapsed uint64 `json:"seconds_elapsed,omitempty"`
SecondsRemaining uint64 `json:"seconds_remaining,omitempty"`
PercentDone float64 `json:"percent_done"`
TotalFiles uint64 `json:"total_files,omitempty"`
FilesDone uint64 `json:"files_done,omitempty"`
TotalBytes uint64 `json:"total_bytes,omitempty"`
BytesDone uint64 `json:"bytes_done,omitempty"`
ErrorCount uint `json:"error_count,omitempty"`
CurrentFiles []string `json:"current_files,omitempty"`
}
type errorUpdate struct {
MessageType string `json:"message_type"` // "error"
Error error `json:"error"`
During string `json:"during"`
Item string `json:"item"`
}
type verboseUpdate struct {
MessageType string `json:"message_type"` // "verbose_status"
Action string `json:"action"`
Item string `json:"item"`
Duration float64 `json:"duration"` // in seconds
DataSize uint64 `json:"data_size"`
DataSizeInRepo uint64 `json:"data_size_in_repo"`
MetadataSize uint64 `json:"metadata_size"`
MetadataSizeInRepo uint64 `json:"metadata_size_in_repo"`
TotalFiles uint `json:"total_files"`
}
type summaryOutput struct {
MessageType string `json:"message_type"` // "summary"
FilesNew uint `json:"files_new"`
FilesChanged uint `json:"files_changed"`
FilesUnmodified uint `json:"files_unmodified"`
DirsNew uint `json:"dirs_new"`
DirsChanged uint `json:"dirs_changed"`
DirsUnmodified uint `json:"dirs_unmodified"`
DataBlobs int `json:"data_blobs"`
TreeBlobs int `json:"tree_blobs"`
DataAdded uint64 `json:"data_added"`
TotalFilesProcessed uint `json:"total_files_processed"`
TotalBytesProcessed uint64 `json:"total_bytes_processed"`
TotalDuration float64 `json:"total_duration"` // in seconds
SnapshotID string `json:"snapshot_id"`
DryRun bool `json:"dry_run,omitempty"`
}