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config.go
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/
config.go
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package config
import (
"fmt"
"strings"
nomad "github.com/hashicorp/nomad/api"
"github.com/jackc/pgx"
"github.com/joyent/triton-service-groups/buildtime"
"github.com/pkg/errors"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/spf13/cast"
"github.com/spf13/viper"
)
type DBPool = pgx.ConnPoolConfig
type Config struct {
DBPool
Agent
HTTPServer
Nomad
}
type Agent struct {
LogFormat LogFormat
}
type HTTPServer struct {
Bind string
Port uint16
Logger zerolog.Logger
DC string
TritonURL string
AuthURL string
KeyNamePrefix string
EnableWhitelist bool
}
type PGXLogger struct {
logger zerolog.Logger
}
type Nomad struct {
Addr string
Port uint16
TLSConfig *nomad.TLSConfig
}
// Custom logging facade that implements the pgx.Logger interface in order to
// log through Zerolog
func (l *PGXLogger) Log(level pgx.LogLevel, msg string, data map[string]interface{}) {
var zlevel zerolog.Level
switch level {
case pgx.LogLevelNone:
zlevel = zerolog.NoLevel
case pgx.LogLevelError:
zlevel = zerolog.ErrorLevel
case pgx.LogLevelWarn:
zlevel = zerolog.WarnLevel
case pgx.LogLevelInfo:
// NOTE(justinwr): We want to force into debug output through zerolog.
zlevel = zerolog.DebugLevel
case pgx.LogLevelDebug:
zlevel = zerolog.DebugLevel
default:
zlevel = zerolog.DebugLevel
}
pgxlog := l.logger.With().Fields(data).Logger()
pgxlog.WithLevel(zlevel).Msg(msg)
}
func NewDefault() (cfg *Config, err error) {
var pgxLogLevel int = pgx.LogLevelInfo
switch logLevel := strings.ToUpper(viper.GetString(KeyLogLevel)); logLevel {
case "FATAL":
pgxLogLevel = pgx.LogLevelNone
case "ERROR":
pgxLogLevel = pgx.LogLevelError
case "WARN":
pgxLogLevel = pgx.LogLevelWarn
case "INFO":
// NOTE(justinwr): If the app was set for INFO than we'll want to force
// pgx to output to Debug.
pgxLogLevel = pgx.LogLevelInfo
case "DEBUG":
pgxLogLevel = pgx.LogLevelDebug
default:
panic(fmt.Sprintf("unsupported log level: %q", logLevel))
}
agentConfig := Agent{}
{
agentConfig.LogFormat, err = LogLevelParse(viper.GetString(KeyAgentLogFormat))
if err != nil {
return nil, errors.Wrap(err, "unable to parse the log format")
}
}
viper.SetDefault(KeyTritonWhitelist, true)
httpServerConfig := HTTPServer{}
{
httpServerConfig.Logger = log.Logger.With().Str("module", "http").Logger()
httpServerConfig.Bind = "127.0.0.1"
if bind := viper.GetString(KeyHTTPServerBind); bind != "" {
httpServerConfig.Bind = bind
}
httpServerConfig.Port = uint16(3000)
if port := viper.GetInt(KeyHTTPServerPort); port != 0 {
httpServerConfig.Port = uint16(port)
}
httpServerConfig.DC = "us-east-1"
if dc := viper.GetString(KeyTritonDC); dc != "" {
httpServerConfig.DC = dc
}
httpServerConfig.TritonURL = "https://us-east-1.api.joyent.com"
if url := viper.GetString(KeyTritonURL); url != "" {
httpServerConfig.TritonURL = url
}
httpServerConfig.AuthURL = httpServerConfig.TritonURL
if authURL := viper.GetString(KeyTritonAuthURL); authURL != "" {
httpServerConfig.AuthURL = authURL
}
httpServerConfig.EnableWhitelist = viper.GetBool(KeyTritonWhitelist)
httpServerConfig.KeyNamePrefix = "TSG_Management"
if prefix := viper.GetString(KeyTritonKeyPrefix); prefix != "" {
httpServerConfig.KeyNamePrefix = prefix
}
}
pgxLogger := &PGXLogger{}
{
pgxLogger.logger = log.Logger.With().Str("module", "pgx").Logger()
}
// default to commonly configured CockroachDB port
viper.SetDefault(KeyCRDBPort, uint16(26257))
nomadConfig := Nomad{}
{
nomadConfig.Addr = "127.0.0.1"
if url := viper.GetString(KeyNomadURL); url != "" {
nomadConfig.Addr = url
}
nomadConfig.Port = uint16(4242)
if port := cast.ToUint16(viper.GetInt(KeyNomadPort)); port != 0 {
nomadConfig.Port = port
}
}
return &Config{
DBPool: pgx.ConnPoolConfig{
MaxConnections: 5,
AfterConnect: nil,
AcquireTimeout: 0,
ConnConfig: pgx.ConnConfig{
Database: viper.GetString(KeyCRDBDatabase),
User: viper.GetString(KeyCRDBUser),
Password: viper.GetString(KeyCRDBPassword),
Host: viper.GetString(KeyCRDBHost),
Port: cast.ToUint16(viper.GetInt(KeyCRDBPort)),
// TLSConfig: &tls.Config{},
Logger: pgxLogger,
LogLevel: pgxLogLevel,
RuntimeParams: map[string]string{
"application_name": buildtime.PROGNAME,
},
},
},
Agent: agentConfig,
HTTPServer: httpServerConfig,
Nomad: nomadConfig,
}, nil
}
// IsDebug returns true when the server is configured for debug level
func IsDebug() bool {
switch logLevel := strings.ToUpper(viper.GetString(KeyLogLevel)); logLevel {
case "DEBUG":
return true
default:
return false
}
}