mirror of https://github.com/octoleo/restic.git
124 lines
2.2 KiB
Go
124 lines
2.2 KiB
Go
package main
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import (
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"errors"
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"fmt"
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"github.com/restic/restic"
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"github.com/restic/restic/backend"
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)
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func init() {
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commands["fsck"] = commandFsck
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}
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func fsckFile(ch *restic.ContentHandler, IDs []backend.ID) error {
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for _, id := range IDs {
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debug("checking data blob %v\n", id)
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// load content
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_, err := ch.Load(backend.Data, id)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func fsckTree(ch *restic.ContentHandler, id backend.ID) error {
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debug("checking tree %v\n", id)
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tree, err := restic.LoadTree(ch, id)
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if err != nil {
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return err
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}
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for i, node := range tree {
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if node.Name == "" {
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return fmt.Errorf("node %v of tree %v has no name", i, id)
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}
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if node.Type == "" {
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return fmt.Errorf("node %q of tree %v has no type", node.Name, id)
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}
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switch node.Type {
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case "file":
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if node.Content == nil {
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return fmt.Errorf("file node %q of tree %v has no content", node.Name, id)
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}
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err := fsckFile(ch, node.Content)
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if err != nil {
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return err
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}
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case "dir":
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if node.Subtree == nil {
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return fmt.Errorf("dir node %q of tree %v has no subtree", node.Name, id)
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}
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err := fsckTree(ch, node.Subtree)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func fsck_snapshot(be backend.Server, key *restic.Key, id backend.ID) error {
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debug("checking snapshot %v\n", id)
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ch, err := restic.NewContentHandler(be, key)
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if err != nil {
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return err
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}
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sn, err := ch.LoadSnapshot(id)
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if err != nil {
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return err
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}
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if sn.Content == nil {
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return fmt.Errorf("snapshot %v has no content", sn.ID)
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}
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if sn.Map == nil {
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return fmt.Errorf("snapshot %v has no map", sn.ID)
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}
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return fsckTree(ch, sn.Content)
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}
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func commandFsck(be backend.Server, key *restic.Key, args []string) error {
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if len(args) == 0 {
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return errors.New("usage: fsck [all|snapshot-id]")
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}
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if len(args) == 1 && args[0] != "all" {
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snapshotID, err := backend.FindSnapshot(be, args[0])
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if err != nil {
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return fmt.Errorf("invalid id %q: %v", args[0], err)
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}
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return fsck_snapshot(be, key, snapshotID)
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}
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list, err := be.List(backend.Snapshot)
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if err != nil {
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return err
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}
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for _, snapshotID := range list {
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err := fsck_snapshot(be, key, snapshotID)
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if err != nil {
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return err
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}
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}
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return nil
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}
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