64 lines
2 KiB
Go
64 lines
2 KiB
Go
package cmd
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import (
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wisski_distillery "github.com/FAU-CDI/wisski-distillery"
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"github.com/FAU-CDI/wisski-distillery/internal/component/snapshots"
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"github.com/FAU-CDI/wisski-distillery/internal/core"
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"github.com/FAU-CDI/wisski-distillery/pkg/logging"
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"github.com/tkw1536/goprogram/exit"
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)
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// Backup is the 'backup' command
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var Backup wisski_distillery.Command = backup{}
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type backup struct {
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NoPrune bool `short:"n" long:"no-prune" description:"Do not prune older backup archives"`
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StagingOnly bool `short:"s" long:"staging-only" description:"Do not package into a backup archive, but only create a staging directory"`
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ConcurrentSnapshots int `short:"c" long:"concurrent-snapshots" description:"Maximum number of concurrent snapshots" default:"2"`
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Positionals struct {
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Dest string `positional-arg-name:"DEST" description:"Destination path to write backup archive to. Defaults to the snapshots/archives/ directory"`
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} `positional-args:"true"`
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}
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func (backup) Description() wisski_distillery.Description {
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return wisski_distillery.Description{
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Requirements: core.Requirements{
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NeedsDistillery: true,
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},
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Command: "backup",
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Description: "Makes a backup of the entire distillery",
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}
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}
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var errBackupFailed = exit.Error{
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Message: "Failed to make a backup",
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ExitCode: exit.ExitGeneric,
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}
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func (bk backup) Run(context wisski_distillery.Context) error {
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dis := context.Environment
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// prune old backups
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if !bk.NoPrune {
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defer logging.LogOperation(func() error {
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return dis.SnapshotManager().PruneExports(context.IOStream)
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}, context.IOStream, "Pruning old backups")
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}
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// do the handling
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err := dis.SnapshotManager().MakeExport(context.IOStream, snapshots.ExportTask{
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Dest: bk.Positionals.Dest,
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StagingOnly: bk.StagingOnly,
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Instance: nil,
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BackupDescription: snapshots.BackupDescription{
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ConcurrentSnapshots: bk.ConcurrentSnapshots,
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},
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})
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if err != nil {
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return errBackupFailed.Wrap(err)
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}
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return nil
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}
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