Rename backups => snapshot

cmd/backup.go

@@ -1,106 +0,0 @@
-package cmd
-
-import (
-	"fmt"
-	"os"
-	"path/filepath"
-
-	wisski_distillery "github.com/FAU-CDI/wisski-distillery"
-	"github.com/FAU-CDI/wisski-distillery/env"
-	"github.com/FAU-CDI/wisski-distillery/internal/logging"
-	"github.com/FAU-CDI/wisski-distillery/internal/targz"
-	"github.com/tkw1536/goprogram/exit"
-)
-
-// BackupInstance is the 'backup_instance' command
-var BackupInstance wisski_distillery.Command = backupInstance{}
-
-type backupInstance struct {
-	Keepalive   bool `short:"k" long:"keepalive" description:"Keep instance running while taking a backup. Might lead to inconsistent state"`
-	Positionals struct {
-		Slug    string `positional-arg-name:"SLUG" required:"1-1" description:"slug of instance to show info about"`
-		Outfile string `positional-arg-name:"OUTFILE" description:"Destination file to write backup to"`
-	} `positional-args:"true"`
-}
-
-func (backupInstance) Description() wisski_distillery.Description {
-	return wisski_distillery.Description{
-		Requirements: env.Requirements{
-			NeedsConfig: true,
-		},
-		Command:     "backup_instance",
-		Description: "Makes a backup of a specific instance",
-	}
-}
-
-var errBackupFailed = exit.Error{
-	Message:  "Failed to make a backup",
-	ExitCode: exit.ExitGeneric,
-}
-
-func (bi backupInstance) Run(context wisski_distillery.Context) error {
-	dis := context.Environment
-	instance, err := dis.Instance(bi.Positionals.Slug)
-	if err != nil {
-		return err
-	}
-
-	// TODO: Allow skipping backups of individual parts and make them concurrent!
-
-	// start the backup and shutdown the instance (if requested)
-	logging.LogMessage(context.IOStream, "Creating backup of instance %s", bi.Positionals.Slug)
-
-	// create a new temporary directory
-	logging.LogMessage(context.IOStream, "Creating temporary backup directory")
-	path, err := dis.NewInprogressBackupPath(instance.Slug)
-	if err != nil {
-		return errBackupFailed.Wrap(err)
-	}
-	defer func() {
-		logging.LogMessage(context.IOStream, "Removing temporary backup directory")
-		os.RemoveAll(path) // TODO: Turn this on again
-	}()
-
-	// make a snapshot and write out the report also!
-	logging.LogOperation(func() error {
-		sreport := instance.Snapshot(context.IOStream, bi.Keepalive, path)
-
-		logging.LogOperation(func() error {
-			reportPath := filepath.Join(path, "report.txt")
-			context.Println(reportPath)
-
-			// create the report file!
-			report, err := os.Create(reportPath)
-			if err != nil {
-				return err
-			}
-			defer report.Close()
-
-			// print the report into it!
-			_, err = fmt.Fprintf(report, "%#v\n", sreport)
-			return err
-		}, context.IOStream, "Writing snapshot report")
-
-		return nil
-	}, context.IOStream, "Creating snapshot")
-
-	// copy everything into the final file!
-	finalPath := bi.Positionals.Outfile
-	if finalPath == "" {
-		finalPath = dis.FinalBackupArchive(instance.Slug)
-	}
-
-	if err := logging.LogOperation(func() error {
-		context.IOStream.Println(finalPath)
-
-		targz.Package(finalPath, path, func(src string) {
-			context.Println(src)
-		})
-		return err
-	}, context.IOStream, "Writing final backup"); err != nil {
-		return errBackupFailed.Wrap(err)
-	}
-	context.Printf("Wrote %s\n", finalPath)
-
-	return nil
-}