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conf.go
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conf.go
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// Copyright (C) 2017, 2018, 2019 EGAAS S.A.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or (at
// your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
package conf
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"github.com/BurntSushi/toml"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"github.com/spf13/viper"
"github.com/AplaProject/go-apla/packages/consts"
)
// HostPort endpoint in form "str:int"
type HostPort struct {
Host string // ipaddr, hostname, or "0.0.0.0"
Port int // must be in range 1..65535
}
// Str converts HostPort pair to string format
func (h HostPort) Str() string {
return fmt.Sprintf("%s:%d", h.Host, h.Port)
}
// DBConfig database connection parameters
type DBConfig struct {
Name string
Host string // ipaddr, hostname, or "0.0.0.0"
Port int // must be in range 1..65535
User string
Password string
LockTimeout int // lock_timeout in milliseconds
IdleInTxTimeout int // postgres parameter idle_in_transaction_session_timeout
}
// StatsDConfig statd connection parameters
type StatsDConfig struct {
Host string // ipaddr, hostname, or "0.0.0.0"
Port int // must be in range 1..65535
Name string
}
// CentrifugoConfig connection params
type CentrifugoConfig struct {
Secret string
URL string
}
// Syslog represents parameters of syslog
type Syslog struct {
Facility string
Tag string
}
// Log represents parameters of log
type LogConfig struct {
LogTo string
LogLevel string
LogFormat string
Syslog Syslog
}
// TokenMovementConfig smtp config for token movement
type TokenMovementConfig struct {
Host string
Port int
Username string
Password string
To string
From string
Subject string
}
// BanKey parameters
type BanKeyConfig struct {
BadTime int // control time period in minutes
BanTime int // ban time in minutes
BadTx int // maximum bad tx during badTime minutes
}
// GlobalConfig is storing all startup config as global struct
type GlobalConfig struct {
KeyID int64 `toml:"-"`
ConfigPath string `toml:"-"`
TestRollBack bool `toml:"-"`
FuncBench bool `toml:"-"`
PidFilePath string
LockFilePath string
DataDir string // application work dir (cwd by default)
KeysDir string // place for private keys files: NodePrivateKey, PrivateKey
TempDir string // temporary dir
FirstBlockPath string
TLS bool // TLS is on/off. It is required for https
TLSCert string // TLSCert is a filepath of the fullchain of certificate.
TLSKey string // TLSKey is a filepath of the private key.
OBSMode string
HTTPServerMaxBodySize int64
NetworkID int64
MaxPageGenerationTime int64 // in milliseconds
TCPServer HostPort
HTTP HostPort
DB DBConfig
StatsD StatsDConfig
Centrifugo CentrifugoConfig
Log LogConfig
TokenMovement TokenMovementConfig
BanKey BanKeyConfig
NodesAddr []string
}
// Config global parameters
var Config GlobalConfig
// GetPidPath returns path to pid file
func (c *GlobalConfig) GetPidPath() string {
return c.PidFilePath
}
// LoadConfig from configFile
// the function has side effect updating global var Config
func LoadConfig(path string) error {
log.WithFields(log.Fields{"path": path}).Info("Loading config")
return LoadConfigToVar(path, &Config)
}
func LoadConfigToVar(path string, v *GlobalConfig) error {
_, err := os.Stat(path)
if os.IsNotExist(err) {
return errors.Errorf("Unable to load config file %s", path)
}
viper.SetConfigFile(path)
err = viper.ReadInConfig()
if err != nil {
return errors.Wrapf(err, "reading config")
}
err = viper.Unmarshal(v)
if err != nil {
return errors.Wrapf(err, "marshalling config to global struct variable")
}
return nil
}
// GetConfigFromPath read config from path and returns GlobalConfig struct
func GetConfigFromPath(path string) (*GlobalConfig, error) {
log.WithFields(log.Fields{"path": path}).Info("Loading config")
_, err := os.Stat(path)
if os.IsNotExist(err) {
return nil, errors.Errorf("Unable to load config file %s", path)
}
viper.SetConfigFile(path)
err = viper.ReadInConfig()
if err != nil {
return nil, errors.Wrapf(err, "reading config")
}
c := &GlobalConfig{}
err = viper.Unmarshal(c)
if err != nil {
return c, errors.Wrapf(err, "marshalling config to global struct variable")
}
return c, nil
}
// SaveConfig save global parameters to configFile
func SaveConfig(path string) error {
dir := filepath.Dir(path)
if _, err := os.Stat(dir); os.IsNotExist(err) {
err := os.Mkdir(dir, 0775)
if err != nil {
return errors.Wrapf(err, "creating dir %s", dir)
}
}
cf, err := os.Create(path)
if err != nil {
log.WithFields(log.Fields{"type": consts.IOError, "error": err}).Error("Create config file failed")
return err
}
defer cf.Close()
err = toml.NewEncoder(cf).Encode(Config)
if err != nil {
return err
}
return nil
}
// FillRuntimePaths fills paths from runtime parameters
func FillRuntimePaths() error {
if Config.DataDir == "" {
cwd, err := os.Getwd()
if err != nil {
return errors.Wrapf(err, "getting current wd")
}
Config.DataDir = filepath.Join(cwd, consts.DefaultWorkdirName)
}
if Config.KeysDir == "" {
Config.KeysDir = Config.DataDir
}
if Config.TempDir == "" {
Config.TempDir = filepath.Join(os.TempDir(), consts.DefaultTempDirName)
}
if Config.FirstBlockPath == "" {
Config.FirstBlockPath = filepath.Join(Config.DataDir, consts.FirstBlockFilename)
}
if Config.PidFilePath == "" {
Config.PidFilePath = filepath.Join(Config.DataDir, consts.DefaultPidFilename)
}
if Config.LockFilePath == "" {
Config.LockFilePath = filepath.Join(Config.DataDir, consts.DefaultLockFilename)
}
return nil
}
// FillRuntimeKey fills parameters of keys from runtime parameters
func FillRuntimeKey() error {
keyIDFileName := filepath.Join(Config.KeysDir, consts.KeyIDFilename)
keyIDBytes, err := ioutil.ReadFile(keyIDFileName)
if err != nil {
log.WithFields(log.Fields{"type": consts.IOError, "error": err, "path": keyIDFileName}).Fatal("reading KeyID file")
return err
}
Config.KeyID, err = strconv.ParseInt(string(keyIDBytes), 10, 64)
if err != nil {
log.WithFields(log.Fields{"type": consts.ConversionError, "error": err, "value": string(keyIDBytes)}).Fatal("converting keyID to int")
return errors.New("converting keyID to int")
}
return nil
}
// GetNodesAddr returns addreses of nodes
func GetNodesAddr() []string {
return Config.NodesAddr[:]
}
// IsOBS check running mode
func (c GlobalConfig) IsOBS() bool {
return RunMode(c.OBSMode).IsOBS()
}
// IsOBSMaster check running mode
func (c GlobalConfig) IsOBSMaster() bool {
return RunMode(c.OBSMode).IsOBSMaster()
}
// IsSupportingOBS check running mode
func (c GlobalConfig) IsSupportingOBS() bool {
return RunMode(c.OBSMode).IsSupportingOBS()
}
// IsNode check running mode
func (c GlobalConfig) IsNode() bool {
return RunMode(c.OBSMode).IsNode()
}