65 lines
2.3 KiB
Go
65 lines
2.3 KiB
Go
/*
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Copyright IBM Corp. All Rights Reserved.
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SPDX-License-Identifier: Apache-2.0
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*/
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package kvledger
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import (
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"github.com/hyperledger/fabric/common/ledger/blkstorage"
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"github.com/hyperledger/fabric/common/ledger/util/leveldbhelper"
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"github.com/pkg/errors"
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)
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// ResetAllKVLedgers resets all ledger to the genesis block.
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func ResetAllKVLedgers(rootFSPath string) error {
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fileLockPath := fileLockPath(rootFSPath)
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fileLock := leveldbhelper.NewFileLock(fileLockPath)
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if err := fileLock.Lock(); err != nil {
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return errors.Wrap(err, "as another peer node command is executing,"+
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" wait for that command to complete its execution or terminate it before retrying")
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}
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defer fileLock.Unlock()
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blockstorePath := BlockStorePath(rootFSPath)
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ledgerIDs, err := blkstorage.GetLedgersBootstrappedFromSnapshot(blockstorePath)
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if err != nil {
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return err
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}
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if len(ledgerIDs) > 0 {
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return errors.Errorf("cannot reset channels because the peer contains channel(s) %s that were bootstrapped from snapshot", ledgerIDs)
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}
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logger.Info("Resetting all channel ledgers to genesis block")
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logger.Infof("Ledger data folder from config = [%s]", rootFSPath)
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if err := dropDBs(rootFSPath); err != nil {
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return err
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}
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if err := resetBlockStorage(rootFSPath); err != nil {
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return err
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}
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logger.Info("All channel ledgers have been successfully reset to the genesis block")
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return nil
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}
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// LoadPreResetHeight returns the prereset height for the specified ledgers.
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func LoadPreResetHeight(rootFSPath string, ledgerIDs []string) (map[string]uint64, error) {
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blockstorePath := BlockStorePath(rootFSPath)
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logger.Infof("Loading prereset height from path [%s]", blockstorePath)
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return blkstorage.LoadPreResetHeight(blockstorePath, ledgerIDs)
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}
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// ClearPreResetHeight removes the prereset height recorded in the file system for the specified ledgers.
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func ClearPreResetHeight(rootFSPath string, ledgerIDs []string) error {
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blockstorePath := BlockStorePath(rootFSPath)
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logger.Infof("Clearing off prereset height files from path [%s] for ledgerIDs [%#v]", blockstorePath, ledgerIDs)
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return blkstorage.ClearPreResetHeight(blockstorePath, ledgerIDs)
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}
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func resetBlockStorage(rootFSPath string) error {
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blockstorePath := BlockStorePath(rootFSPath)
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logger.Infof("Resetting BlockStore to genesis block at location [%s]", blockstorePath)
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return blkstorage.ResetBlockStore(blockstorePath)
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}
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