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package container
import (
"fmt"
"time"
endure "github.com/roadrunner-server/endure/pkg/container"
"github.com/spf13/viper"
)
type Config struct {
GracePeriod time.Duration
PrintGraph bool
RetryOnFail bool // TODO check for races, disabled at this moment
LogLevel endure.Level
}
const (
endureKey = "endure"
defaultGracePeriod = time.Second * 30
)
// NewConfig creates endure container configuration.
func NewConfig(cfgFile string) (*Config, error) {
v := viper.New()
v.SetConfigFile(cfgFile)
err := v.ReadInConfig()
if err != nil {
return nil, err
}
if !v.IsSet(endureKey) {
return &Config{ // return config with defaults
GracePeriod: defaultGracePeriod,
PrintGraph: false,
RetryOnFail: false,
LogLevel: endure.ErrorLevel,
}, nil
}
rrCfgEndure := struct {
GracePeriod time.Duration `mapstructure:"grace_period"`
PrintGraph bool `mapstructure:"print_graph"`
RetryOnFail bool `mapstructure:"retry_on_fail"`
LogLevel string `mapstructure:"log_level"`
}{}
err = v.UnmarshalKey(endureKey, &rrCfgEndure)
if err != nil {
return nil, err
}
if rrCfgEndure.GracePeriod == 0 {
rrCfgEndure.GracePeriod = defaultGracePeriod
}
if rrCfgEndure.LogLevel == "" {
rrCfgEndure.LogLevel = "error"
}
logLevel, err := parseLogLevel(rrCfgEndure.LogLevel)
if err != nil {
return nil, err
}
return &Config{
GracePeriod: rrCfgEndure.GracePeriod,
PrintGraph: rrCfgEndure.PrintGraph,
RetryOnFail: rrCfgEndure.RetryOnFail,
LogLevel: logLevel,
}, nil
}
func parseLogLevel(s string) (endure.Level, error) {
switch s {
case "debug":
return endure.DebugLevel, nil
case "info":
return endure.InfoLevel, nil
case "warn", "warning":
return endure.WarnLevel, nil
case "error":
return endure.ErrorLevel, nil
case "panic":
return endure.PanicLevel, nil
case "fatal":
return endure.FatalLevel, nil
}
return endure.DebugLevel, fmt.Errorf(`unknown log level "%s" (allowed: debug, info, warn, error, panic, fatal)`, s)
}
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