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[FAB-2162] Move orderer genesis to common
https://jira.hyperledger.org/browse/FAB-2162 This CR moves genesis configuration for the orderer to the common configtx package. Change-Id: I875692e75cb5429ddc747239acf6dab070f586d4 Signed-off-by: Jason Yellick <jyellick@us.ibm.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| /* | ||
| Copyright IBM Corp. 2016 All Rights Reserved. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package localconfig | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/hyperledger/fabric/common/viperutil" | ||
|
|
||
| "github.com/op/go-logging" | ||
| "github.com/spf13/viper" | ||
| ) | ||
|
|
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| var logger = logging.MustGetLogger("configtx/tool/localconfig") | ||
|
|
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| func init() { | ||
| logging.SetLevel(logging.ERROR, "") | ||
| } | ||
|
|
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| // Prefix is the default config prefix for the orderer | ||
| const Prefix string = "CONFIGTX" | ||
|
|
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| // TopLevel contains the genesis structures for use by the provisional bootstrapper | ||
| type TopLevel struct { | ||
| Orderer Orderer | ||
| } | ||
|
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| // Orderer contains config which is used for orderer genesis by the provisional bootstrapper | ||
| type Orderer struct { | ||
| OrdererType string | ||
| Addresses []string | ||
| BatchTimeout time.Duration | ||
| BatchSize BatchSize | ||
| Kafka Kafka | ||
| } | ||
|
|
||
| // BatchSize contains configuration affecting the size of batches | ||
| type BatchSize struct { | ||
| MaxMessageCount uint32 | ||
| AbsoluteMaxBytes uint32 | ||
| PreferredMaxBytes uint32 | ||
| } | ||
|
|
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| // Kafka contains config for the Kafka orderer | ||
| type Kafka struct { | ||
| Brokers []string | ||
| } | ||
|
|
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| var genesisDefaults = TopLevel{ | ||
| Orderer: Orderer{ | ||
| OrdererType: "solo", | ||
| Addresses: []string{"127.0.0.1:7050"}, | ||
| BatchTimeout: 10 * time.Second, | ||
| BatchSize: BatchSize{ | ||
| MaxMessageCount: 10, | ||
| AbsoluteMaxBytes: 100000000, | ||
| PreferredMaxBytes: 512 * 1024, | ||
| }, | ||
| Kafka: Kafka{ | ||
| Brokers: []string{"127.0.0.1:9092"}, | ||
| }, | ||
| }, | ||
| } | ||
|
|
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| func (g *TopLevel) completeInitialization() { | ||
| for { | ||
| switch { | ||
| case g.Orderer.OrdererType == "": | ||
| logger.Infof("Orderer.OrdererType unset, setting to %s", genesisDefaults.Orderer.OrdererType) | ||
| g.Orderer.OrdererType = genesisDefaults.Orderer.OrdererType | ||
| case g.Orderer.Addresses == nil: | ||
| logger.Infof("Orderer.Addresses unset, setting to %s", genesisDefaults.Orderer.Addresses) | ||
| g.Orderer.Addresses = genesisDefaults.Orderer.Addresses | ||
| case g.Orderer.BatchTimeout == 0: | ||
| logger.Infof("Orderer.BatchTimeout unset, setting to %s", genesisDefaults.Orderer.BatchTimeout) | ||
| g.Orderer.BatchTimeout = genesisDefaults.Orderer.BatchTimeout | ||
| case g.Orderer.BatchTimeout == 0: | ||
| logger.Infof("Orderer.BatchTimeout unset, setting to %s", genesisDefaults.Orderer.BatchTimeout) | ||
| g.Orderer.BatchTimeout = genesisDefaults.Orderer.BatchTimeout | ||
| case g.Orderer.BatchSize.MaxMessageCount == 0: | ||
| logger.Infof("Orderer.BatchSize.MaxMessageCount unset, setting to %s", genesisDefaults.Orderer.BatchSize.MaxMessageCount) | ||
| g.Orderer.BatchSize.MaxMessageCount = genesisDefaults.Orderer.BatchSize.MaxMessageCount | ||
| case g.Orderer.BatchSize.AbsoluteMaxBytes == 0: | ||
| logger.Infof("Orderer.BatchSize.AbsoluteMaxBytes unset, setting to %s", genesisDefaults.Orderer.BatchSize.AbsoluteMaxBytes) | ||
| g.Orderer.BatchSize.AbsoluteMaxBytes = genesisDefaults.Orderer.BatchSize.AbsoluteMaxBytes | ||
| case g.Orderer.BatchSize.PreferredMaxBytes == 0: | ||
| logger.Infof("Orderer.BatchSize.PreferredMaxBytes unset, setting to %s", genesisDefaults.Orderer.BatchSize.PreferredMaxBytes) | ||
| g.Orderer.BatchSize.PreferredMaxBytes = genesisDefaults.Orderer.BatchSize.PreferredMaxBytes | ||
| case g.Orderer.Kafka.Brokers == nil: | ||
| logger.Infof("Orderer.Kafka.Brokers unset, setting to %v", genesisDefaults.Orderer.Kafka.Brokers) | ||
| g.Orderer.Kafka.Brokers = genesisDefaults.Orderer.Kafka.Brokers | ||
| default: | ||
| return | ||
| } | ||
| } | ||
| } | ||
|
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| func Load() *TopLevel { | ||
| config := viper.New() | ||
|
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| config.SetConfigName("genesis") | ||
|
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| var cfgPath string | ||
|
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| // Path to look for the config file in based on ORDERER_CFG_PATH and GOPATH | ||
| searchPath := os.Getenv("ORDERER_CFG_PATH") + ":" + os.Getenv("GOPATH") | ||
| for _, p := range filepath.SplitList(searchPath) { | ||
| genesisPath := filepath.Join(p, "src/github.com/hyperledger/fabric/common/configtx/tool/") | ||
| if _, err := os.Stat(filepath.Join(genesisPath, "genesis.yaml")); err != nil { | ||
| // The yaml file does not exist in this component of the go src | ||
| continue | ||
| } | ||
| cfgPath = genesisPath | ||
| } | ||
| if cfgPath == "" { | ||
| logger.Fatalf("Could not find genesis.yaml, try setting GOPATH correctly") | ||
| } | ||
| config.AddConfigPath(cfgPath) // Path to look for the config file in | ||
|
|
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| // for environment variables | ||
| config.SetEnvPrefix(Prefix) | ||
| config.AutomaticEnv() | ||
| replacer := strings.NewReplacer(".", "_") | ||
| config.SetEnvKeyReplacer(replacer) | ||
|
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| err := config.ReadInConfig() | ||
| if err != nil { | ||
| panic(fmt.Errorf("Error reading %s plugin config from %s: %s", Prefix, cfgPath, err)) | ||
| } | ||
|
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| var uconf TopLevel | ||
|
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| err = viperutil.EnhancedExactUnmarshal(config, &uconf) | ||
| if err != nil { | ||
| panic(fmt.Errorf("Error unmarshaling into structure: %s", err)) | ||
| } | ||
|
|
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| uconf.completeInitialization() | ||
|
|
||
| return &uconf | ||
| } |
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