github.com/lzy4123/fabric@v2.1.1+incompatible/internal/peer/node/config.go (about)

     1  /*
     2  Copyright IBM Corp. 2016 All Rights Reserved.
     3  
     4  SPDX-License-Identifier: Apache-2.0
     5  */
     6  
     7  package node
     8  
     9  import (
    10  	"path/filepath"
    11  
    12  	coreconfig "github.com/hyperledger/fabric/core/config"
    13  	"github.com/hyperledger/fabric/core/ledger"
    14  	"github.com/hyperledger/fabric/core/ledger/util/couchdb"
    15  	"github.com/spf13/viper"
    16  )
    17  
    18  func ledgerConfig() *ledger.Config {
    19  	// set defaults
    20  	warmAfterNBlocks := 1
    21  	if viper.IsSet("ledger.state.couchDBConfig.warmIndexesAfterNBlocks") {
    22  		warmAfterNBlocks = viper.GetInt("ledger.state.couchDBConfig.warmIndexesAfterNBlocks")
    23  	}
    24  	internalQueryLimit := 1000
    25  	if viper.IsSet("ledger.state.couchDBConfig.internalQueryLimit") {
    26  		internalQueryLimit = viper.GetInt("ledger.state.couchDBConfig.internalQueryLimit")
    27  	}
    28  	maxBatchUpdateSize := 500
    29  	if viper.IsSet("ledger.state.couchDBConfig.maxBatchUpdateSize") {
    30  		maxBatchUpdateSize = viper.GetInt("ledger.state.couchDBConfig.maxBatchUpdateSize")
    31  	}
    32  	collElgProcMaxDbBatchSize := 5000
    33  	if viper.IsSet("ledger.pvtdataStore.collElgProcMaxDbBatchSize") {
    34  		collElgProcMaxDbBatchSize = viper.GetInt("ledger.pvtdataStore.collElgProcMaxDbBatchSize")
    35  	}
    36  	collElgProcDbBatchesInterval := 1000
    37  	if viper.IsSet("ledger.pvtdataStore.collElgProcDbBatchesInterval") {
    38  		collElgProcDbBatchesInterval = viper.GetInt("ledger.pvtdataStore.collElgProcDbBatchesInterval")
    39  	}
    40  	purgeInterval := 100
    41  	if viper.IsSet("ledger.pvtdataStore.purgeInterval") {
    42  		purgeInterval = viper.GetInt("ledger.pvtdataStore.purgeInterval")
    43  	}
    44  
    45  	rootFSPath := filepath.Join(coreconfig.GetPath("peer.fileSystemPath"), "ledgersData")
    46  	conf := &ledger.Config{
    47  		RootFSPath: rootFSPath,
    48  		StateDBConfig: &ledger.StateDBConfig{
    49  			StateDatabase: viper.GetString("ledger.state.stateDatabase"),
    50  			CouchDB:       &couchdb.Config{},
    51  		},
    52  		PrivateDataConfig: &ledger.PrivateDataConfig{
    53  			MaxBatchSize:    collElgProcMaxDbBatchSize,
    54  			BatchesInterval: collElgProcDbBatchesInterval,
    55  			PurgeInterval:   purgeInterval,
    56  		},
    57  		HistoryDBConfig: &ledger.HistoryDBConfig{
    58  			Enabled: viper.GetBool("ledger.history.enableHistoryDatabase"),
    59  		},
    60  	}
    61  
    62  	if conf.StateDBConfig.StateDatabase == "CouchDB" {
    63  		conf.StateDBConfig.CouchDB = &couchdb.Config{
    64  			Address:                 viper.GetString("ledger.state.couchDBConfig.couchDBAddress"),
    65  			Username:                viper.GetString("ledger.state.couchDBConfig.username"),
    66  			Password:                viper.GetString("ledger.state.couchDBConfig.password"),
    67  			MaxRetries:              viper.GetInt("ledger.state.couchDBConfig.maxRetries"),
    68  			MaxRetriesOnStartup:     viper.GetInt("ledger.state.couchDBConfig.maxRetriesOnStartup"),
    69  			RequestTimeout:          viper.GetDuration("ledger.state.couchDBConfig.requestTimeout"),
    70  			InternalQueryLimit:      internalQueryLimit,
    71  			MaxBatchUpdateSize:      maxBatchUpdateSize,
    72  			WarmIndexesAfterNBlocks: warmAfterNBlocks,
    73  			CreateGlobalChangesDB:   viper.GetBool("ledger.state.couchDBConfig.createGlobalChangesDB"),
    74  			RedoLogPath:             filepath.Join(rootFSPath, "couchdbRedoLogs"),
    75  			UserCacheSizeMBs:        viper.GetInt("ledger.state.couchDBConfig.cacheSize"),
    76  		}
    77  	}
    78  	return conf
    79  }