You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
169 lines
3.6 KiB
169 lines
3.6 KiB
package config
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"flag"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
. "github.com/tendermint/tendermint/common"
|
|
)
|
|
|
|
//-----------------------------------------------------------------------------j
|
|
// Configuration types
|
|
|
|
type ConfigType struct {
|
|
Network string
|
|
LAddr string
|
|
SeedNode string
|
|
DB DBConfig
|
|
Alert AlertConfig
|
|
SMTP SMTPConfig
|
|
RPC RPCConfig
|
|
}
|
|
|
|
type DBConfig struct {
|
|
Backend string
|
|
Dir string
|
|
}
|
|
|
|
type AlertConfig struct {
|
|
MinInterval int
|
|
|
|
TwilioSid string
|
|
TwilioToken string
|
|
TwilioFrom string
|
|
TwilioTo string
|
|
|
|
EmailRecipients []string
|
|
}
|
|
|
|
type SMTPConfig struct {
|
|
User string
|
|
Password string
|
|
Host string
|
|
Port uint
|
|
}
|
|
|
|
type RPCConfig struct {
|
|
HTTPPort uint
|
|
}
|
|
|
|
func (cfg *ConfigType) validate() error {
|
|
if cfg.Network == "" {
|
|
cfg.Network = defaultConfig.Network
|
|
}
|
|
if cfg.LAddr == "" {
|
|
cfg.LAddr = defaultConfig.LAddr
|
|
}
|
|
if cfg.SeedNode == "" {
|
|
cfg.SeedNode = defaultConfig.SeedNode
|
|
}
|
|
if cfg.DB.Backend == "" {
|
|
return errors.New("DB.Backend must be set")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (cfg *ConfigType) bytes() []byte {
|
|
configBytes, err := json.MarshalIndent(cfg, "", "\t")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return configBytes
|
|
}
|
|
|
|
func (cfg *ConfigType) write(configFile string) {
|
|
if strings.Index(configFile, "/") != -1 {
|
|
err := os.MkdirAll(filepath.Dir(configFile), 0700)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
err := ioutil.WriteFile(configFile, cfg.bytes(), 0600)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
var rootDir string
|
|
var defaultConfig ConfigType
|
|
|
|
func init() {
|
|
// Get RootDir
|
|
rootDir = os.Getenv("TMROOT")
|
|
if rootDir == "" {
|
|
rootDir = os.Getenv("HOME") + "/.tendermint"
|
|
}
|
|
|
|
// Compute defaultConfig
|
|
defaultConfig = ConfigType{
|
|
Network: "tendermint_testnet0",
|
|
LAddr: "0.0.0.0:0",
|
|
SeedNode: "",
|
|
DB: DBConfig{
|
|
Backend: "leveldb",
|
|
Dir: DataDir(),
|
|
},
|
|
Alert: AlertConfig{},
|
|
SMTP: SMTPConfig{},
|
|
RPC: RPCConfig{
|
|
HTTPPort: 8888,
|
|
},
|
|
}
|
|
}
|
|
|
|
func ConfigFile() string { return rootDir + "/config.json" }
|
|
func GenesisFile() string { return rootDir + "/genesis.json" }
|
|
func AddrBookFile() string { return rootDir + "/addrbook.json" }
|
|
func PrivValidatorFile() string { return rootDir + "/priv_validator.json" }
|
|
func DataDir() string { return rootDir + "/data" }
|
|
|
|
// The actual global config singleton object.
|
|
var Config ConfigType
|
|
|
|
func parseFlags(flags *flag.FlagSet, args []string) (printHelp bool) {
|
|
flags.BoolVar(&printHelp, "help", false, "Print this help message.")
|
|
flags.StringVar(&Config.LAddr, "laddr", Config.LAddr, "Listen address. (0.0.0.0:0 means any interface, any port)")
|
|
flags.StringVar(&Config.SeedNode, "seed", Config.SeedNode, "Address of seed node")
|
|
flags.Parse(args)
|
|
return
|
|
}
|
|
|
|
func ParseFlags(args []string) {
|
|
configFile := ConfigFile()
|
|
|
|
// try to read configuration from file. if missing, write default
|
|
configBytes, err := ioutil.ReadFile(configFile)
|
|
if err != nil {
|
|
defaultConfig.write(configFile)
|
|
fmt.Println("Config file written to config.json. Please edit & run again")
|
|
os.Exit(1)
|
|
return
|
|
}
|
|
|
|
// try to parse configuration. on error, die
|
|
Config = ConfigType{}
|
|
err = json.Unmarshal(configBytes, &Config)
|
|
if err != nil {
|
|
Exit(Fmt("Invalid configuration file %s: %v", configFile, err))
|
|
}
|
|
err = Config.validate()
|
|
if err != nil {
|
|
Exit(Fmt("Invalid configuration file %s: %v", configFile, err))
|
|
}
|
|
|
|
// try to parse arg flags, which can override file configuration.
|
|
flags := flag.NewFlagSet("main", flag.ExitOnError)
|
|
printHelp := parseFlags(flags, args)
|
|
if printHelp {
|
|
flags.PrintDefaults()
|
|
os.Exit(0)
|
|
}
|
|
}
|