// aptly db cleanup func aptlyDbCleanup(cmd *commander.Command, args []string) error { var err error if len(args) != 0 { cmd.Usage() return err } // collect information about references packages... existingPackageRefs := deb.NewPackageRefList() context.Progress().Printf("Loading mirrors, local repos and snapshots...\n") err = context.CollectionFactory().RemoteRepoCollection().ForEach(func(repo *deb.RemoteRepo) error { err := context.CollectionFactory().RemoteRepoCollection().LoadComplete(repo) if err != nil { return err } if repo.RefList() != nil { existingPackageRefs = existingPackageRefs.Merge(repo.RefList(), false) } return nil }) if err != nil { return err } err = context.CollectionFactory().LocalRepoCollection().ForEach(func(repo *deb.LocalRepo) error { err := context.CollectionFactory().LocalRepoCollection().LoadComplete(repo) if err != nil { return err } if repo.RefList() != nil { existingPackageRefs = existingPackageRefs.Merge(repo.RefList(), false) } return nil }) if err != nil { return err } err = context.CollectionFactory().SnapshotCollection().ForEach(func(snapshot *deb.Snapshot) error { err := context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot) if err != nil { return err } existingPackageRefs = existingPackageRefs.Merge(snapshot.RefList(), false) return nil }) if err != nil { return err } // ... and compare it to the list of all packages context.Progress().Printf("Loading list of all packages...\n") allPackageRefs := context.CollectionFactory().PackageCollection().AllPackageRefs() toDelete := allPackageRefs.Substract(existingPackageRefs) // delete packages that are no longer referenced context.Progress().Printf("Deleting unreferenced packages (%d)...\n", toDelete.Len()) // database can't err as collection factory already constructed db, _ := context.Database() db.StartBatch() err = toDelete.ForEach(func(ref []byte) error { return context.CollectionFactory().PackageCollection().DeleteByKey(ref) }) if err != nil { return err } err = db.FinishBatch() if err != nil { return fmt.Errorf("unable to write to DB: %s", err) } // now, build a list of files that should be present in Repository (package pool) context.Progress().Printf("Building list of files referenced by packages...\n") referencedFiles := make([]string, 0, existingPackageRefs.Len()) context.Progress().InitBar(int64(existingPackageRefs.Len()), false) err = existingPackageRefs.ForEach(func(key []byte) error { pkg, err2 := context.CollectionFactory().PackageCollection().ByKey(key) if err2 != nil { return err2 } paths, err2 := pkg.FilepathList(context.PackagePool()) if err2 != nil { return err2 } referencedFiles = append(referencedFiles, paths...) context.Progress().AddBar(1) return nil }) if err != nil { return err } sort.Strings(referencedFiles) context.Progress().ShutdownBar() // build a list of files in the package pool context.Progress().Printf("Building list of files in package pool...\n") existingFiles, err := context.PackagePool().FilepathList(context.Progress()) if err != nil { return fmt.Errorf("unable to collect file paths: %s", err) } // find files which are in the pool but not referenced by packages filesToDelete := utils.StrSlicesSubstract(existingFiles, referencedFiles) // delete files that are no longer referenced context.Progress().Printf("Deleting unreferenced files (%d)...\n", len(filesToDelete)) if len(filesToDelete) > 0 { context.Progress().InitBar(int64(len(filesToDelete)), false) var size, totalSize int64 for _, file := range filesToDelete { size, err = context.PackagePool().Remove(file) if err != nil { return err } context.Progress().AddBar(1) totalSize += size } context.Progress().ShutdownBar() context.Progress().Printf("Disk space freed: %s...\n", utils.HumanBytes(totalSize)) } context.Progress().Printf("Compacting database...\n") err = db.CompactDB() return err }
// aptly db cleanup func aptlyDbCleanup(cmd *commander.Command, args []string) error { var err error if len(args) != 0 { cmd.Usage() return commander.ErrCommandError } verbose := context.Flags().Lookup("verbose").Value.Get().(bool) dryRun := context.Flags().Lookup("dry-run").Value.Get().(bool) // collect information about references packages... existingPackageRefs := deb.NewPackageRefList() // used only in verbose mode to report package use source packageRefSources := map[string][]string{} context.Progress().ColoredPrintf("@{w!}Loading mirrors, local repos, snapshots and published repos...@|") if verbose { context.Progress().ColoredPrintf("@{y}Loading mirrors:@|") } err = context.CollectionFactory().RemoteRepoCollection().ForEach(func(repo *deb.RemoteRepo) error { if verbose { context.Progress().ColoredPrintf("- @{g}%s@|", repo.Name) } err := context.CollectionFactory().RemoteRepoCollection().LoadComplete(repo) if err != nil { return err } if repo.RefList() != nil { existingPackageRefs = existingPackageRefs.Merge(repo.RefList(), false, true) if verbose { description := fmt.Sprintf("mirror %s", repo.Name) repo.RefList().ForEach(func(key []byte) error { packageRefSources[string(key)] = append(packageRefSources[string(key)], description) return nil }) } } return nil }) if err != nil { return err } if verbose { context.Progress().ColoredPrintf("@{y}Loading local repos:@|") } err = context.CollectionFactory().LocalRepoCollection().ForEach(func(repo *deb.LocalRepo) error { if verbose { context.Progress().ColoredPrintf("- @{g}%s@|", repo.Name) } err := context.CollectionFactory().LocalRepoCollection().LoadComplete(repo) if err != nil { return err } if repo.RefList() != nil { existingPackageRefs = existingPackageRefs.Merge(repo.RefList(), false, true) if verbose { description := fmt.Sprintf("local repo %s", repo.Name) repo.RefList().ForEach(func(key []byte) error { packageRefSources[string(key)] = append(packageRefSources[string(key)], description) return nil }) } } return nil }) if err != nil { return err } if verbose { context.Progress().ColoredPrintf("@{y}Loading snapshots:@|") } err = context.CollectionFactory().SnapshotCollection().ForEach(func(snapshot *deb.Snapshot) error { if verbose { context.Progress().ColoredPrintf("- @{g}%s@|", snapshot.Name) } err := context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot) if err != nil { return err } existingPackageRefs = existingPackageRefs.Merge(snapshot.RefList(), false, true) if verbose { description := fmt.Sprintf("snapshot %s", snapshot.Name) snapshot.RefList().ForEach(func(key []byte) error { packageRefSources[string(key)] = append(packageRefSources[string(key)], description) return nil }) } return nil }) if err != nil { return err } if verbose { context.Progress().ColoredPrintf("@{y}Loading published repositories:@|") } err = context.CollectionFactory().PublishedRepoCollection().ForEach(func(published *deb.PublishedRepo) error { if verbose { context.Progress().ColoredPrintf("- @{g}%s:%s/%s{|}", published.Storage, published.Prefix, published.Distribution) } if published.SourceKind != "local" { return nil } err := context.CollectionFactory().PublishedRepoCollection().LoadComplete(published, context.CollectionFactory()) if err != nil { return err } for _, component := range published.Components() { existingPackageRefs = existingPackageRefs.Merge(published.RefList(component), false, true) if verbose { description := fmt.Sprintf("published repository %s:%s/%s component %s", published.Storage, published.Prefix, published.Distribution, component) published.RefList(component).ForEach(func(key []byte) error { packageRefSources[string(key)] = append(packageRefSources[string(key)], description) return nil }) } } return nil }) if err != nil { return err } // ... and compare it to the list of all packages context.Progress().ColoredPrintf("@{w!}Loading list of all packages...@|") allPackageRefs := context.CollectionFactory().PackageCollection().AllPackageRefs() toDelete := allPackageRefs.Substract(existingPackageRefs) // delete packages that are no longer referenced context.Progress().ColoredPrintf("@{r!}Deleting unreferenced packages (%d)...@|", toDelete.Len()) // database can't err as collection factory already constructed db, _ := context.Database() if toDelete.Len() > 0 { if verbose { context.Progress().ColoredPrintf("@{r}List of package keys to delete:@|") err = toDelete.ForEach(func(ref []byte) error { context.Progress().ColoredPrintf(" - @{r}%s@|", string(ref)) return nil }) if err != nil { return err } } if !dryRun { db.StartBatch() err = toDelete.ForEach(func(ref []byte) error { return context.CollectionFactory().PackageCollection().DeleteByKey(ref) }) if err != nil { return err } err = db.FinishBatch() if err != nil { return fmt.Errorf("unable to write to DB: %s", err) } } else { context.Progress().ColoredPrintf("@{y!}Skipped deletion, as -dry-run has been requested.@|") } } // now, build a list of files that should be present in Repository (package pool) context.Progress().ColoredPrintf("@{w!}Building list of files referenced by packages...@|") referencedFiles := make([]string, 0, existingPackageRefs.Len()) context.Progress().InitBar(int64(existingPackageRefs.Len()), false) err = existingPackageRefs.ForEach(func(key []byte) error { pkg, err2 := context.CollectionFactory().PackageCollection().ByKey(key) if err2 != nil { tail := "" if verbose { tail = fmt.Sprintf(" (sources: %s)", strings.Join(packageRefSources[string(key)], ", ")) } if dryRun { context.Progress().ColoredPrintf("@{r!}Unresolvable package reference, skipping (-dry-run): %s: %s%s", string(key), err2, tail) return nil } return fmt.Errorf("unable to load package %s: %s%s", string(key), err2, tail) } paths, err2 := pkg.FilepathList(context.PackagePool()) if err2 != nil { return err2 } referencedFiles = append(referencedFiles, paths...) context.Progress().AddBar(1) return nil }) if err != nil { return err } sort.Strings(referencedFiles) context.Progress().ShutdownBar() // build a list of files in the package pool context.Progress().ColoredPrintf("@{w!}Building list of files in package pool...@|") existingFiles, err := context.PackagePool().FilepathList(context.Progress()) if err != nil { return fmt.Errorf("unable to collect file paths: %s", err) } // find files which are in the pool but not referenced by packages filesToDelete := utils.StrSlicesSubstract(existingFiles, referencedFiles) // delete files that are no longer referenced context.Progress().ColoredPrintf("@{r!}Deleting unreferenced files (%d)...@|", len(filesToDelete)) if len(filesToDelete) > 0 { if verbose { context.Progress().ColoredPrintf("@{r}List of files to be deleted:@|") for _, file := range filesToDelete { context.Progress().ColoredPrintf(" - @{r}%s@|", file) } } if !dryRun { context.Progress().InitBar(int64(len(filesToDelete)), false) var size, totalSize int64 for _, file := range filesToDelete { size, err = context.PackagePool().Remove(file) if err != nil { return err } context.Progress().AddBar(1) totalSize += size } context.Progress().ShutdownBar() context.Progress().ColoredPrintf("@{w!}Disk space freed: %s...@|", utils.HumanBytes(totalSize)) } else { context.Progress().ColoredPrintf("@{y!}Skipped file deletion, as -dry-run has been requested.@|") } } if !dryRun { context.Progress().ColoredPrintf("@{w!}Compacting database...@|") err = db.CompactDB() } else { context.Progress().ColoredPrintf("@{y!}Skipped DB compaction, as -dry-run has been requested.@|") } return err }