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feat: Add a cli cmd to prune old states according to current settings (…
…#12742) * add PruningCmd and change PruneStores signature * the mimimum default pruning interval is 10 Co-authored-by: Marko <marbar3778@yahoo.com> (cherry picked from commit d874ace) # Conflicts: # CHANGELOG.md # store/rootmulti/store.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| package pruning | ||
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| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
|
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| "github.com/spf13/cobra" | ||
| "github.com/spf13/viper" | ||
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| "github.com/cosmos/cosmos-sdk/client/flags" | ||
| pruningtypes "github.com/cosmos/cosmos-sdk/pruning/types" | ||
| "github.com/cosmos/cosmos-sdk/server" | ||
| servertypes "github.com/cosmos/cosmos-sdk/server/types" | ||
| "github.com/cosmos/cosmos-sdk/store/rootmulti" | ||
| "github.com/tendermint/tendermint/libs/log" | ||
| dbm "github.com/tendermint/tm-db" | ||
| ) | ||
|
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| const FlagAppDBBackend = "app-db-backend" | ||
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| // PruningCmd prunes the sdk root multi store history versions based on the pruning options | ||
| // specified by command flags. | ||
| func PruningCmd(appCreator servertypes.AppCreator) *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "prune", | ||
| Short: "Prune app history states by keeping the recent heights and deleting old heights", | ||
| Long: `Prune app history states by keeping the recent heights and deleting old heights. | ||
| The pruning option is provided via the '--pruning' flag or alternatively with '--pruning-keep-recent' | ||
| For '--pruning' the options are as follows: | ||
| default: the last 362880 states are kept | ||
| nothing: all historic states will be saved, nothing will be deleted (i.e. archiving node) | ||
| everything: 2 latest states will be kept | ||
| custom: allow pruning options to be manually specified through 'pruning-keep-recent'. | ||
| besides pruning options, database home directory and database backend type should also be specified via flags | ||
| '--home' and '--app-db-backend'. | ||
| valid app-db-backend type includes 'goleveldb', 'cleveldb', 'rocksdb', 'boltdb', and 'badgerdb'. | ||
| `, | ||
| Example: "prune --home './' --app-db-backend 'goleveldb' --pruning 'custom' --pruning-keep-recent 100", | ||
| RunE: func(cmd *cobra.Command, _ []string) error { | ||
| vp := viper.New() | ||
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| // Bind flags to the Context's Viper so we can get pruning options. | ||
| if err := vp.BindPFlags(cmd.Flags()); err != nil { | ||
| return err | ||
| } | ||
| pruningOptions, err := server.GetPruningOptionsFromFlags(vp) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Printf("get pruning options from command flags, strategy: %v, keep-recent: %v\n", | ||
| pruningOptions.Strategy, | ||
| pruningOptions.KeepRecent, | ||
| ) | ||
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| home := vp.GetString(flags.FlagHome) | ||
| db, err := openDB(home, server.GetAppDBBackend(vp)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout)) | ||
| app := appCreator(logger, db, nil, vp) | ||
| cms := app.CommitMultiStore() | ||
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| rootMultiStore, ok := cms.(*rootmulti.Store) | ||
| if !ok { | ||
| return fmt.Errorf("currently only support the pruning of rootmulti.Store type") | ||
| } | ||
| latestHeight := rootmulti.GetLatestVersion(db) | ||
| // valid heights should be greater than 0. | ||
| if latestHeight <= 0 { | ||
| return fmt.Errorf("the database has no valid heights to prune, the latest height: %v", latestHeight) | ||
| } | ||
|
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| var pruningHeights []int64 | ||
| for height := int64(1); height < latestHeight; height++ { | ||
| if height < latestHeight-int64(pruningOptions.KeepRecent) { | ||
| pruningHeights = append(pruningHeights, height) | ||
| } | ||
| } | ||
| if len(pruningHeights) == 0 { | ||
| fmt.Printf("no heights to prune\n") | ||
| return nil | ||
| } | ||
| fmt.Printf( | ||
| "pruning heights start from %v, end at %v\n", | ||
| pruningHeights[0], | ||
| pruningHeights[len(pruningHeights)-1], | ||
| ) | ||
|
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| err = rootMultiStore.PruneStores(false, pruningHeights) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Printf("successfully pruned the application root multi stores\n") | ||
| return nil | ||
| }, | ||
| } | ||
|
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| cmd.Flags().String(flags.FlagHome, "", "The database home directory") | ||
| cmd.Flags().String(FlagAppDBBackend, "", "The type of database for application and snapshots databases") | ||
| cmd.Flags().String(server.FlagPruning, pruningtypes.PruningOptionDefault, "Pruning strategy (default|nothing|everything|custom)") | ||
| cmd.Flags().Uint64(server.FlagPruningKeepRecent, 0, "Number of recent heights to keep on disk (ignored if pruning is not 'custom')") | ||
| cmd.Flags().Uint64(server.FlagPruningInterval, 10, | ||
| `Height interval at which pruned heights are removed from disk (ignored if pruning is not 'custom'), | ||
| this is not used by this command but kept for compatibility with the complete pruning options`) | ||
|
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| return cmd | ||
| } | ||
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| func openDB(rootDir string, backendType dbm.BackendType) (dbm.DB, error) { | ||
| dataDir := filepath.Join(rootDir, "data") | ||
| return dbm.NewDB("application", backendType, dataDir) | ||
| } |
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