/
config.go
80 lines (67 loc) · 2.01 KB
/
config.go
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package main
import (
"time"
"github.com/spf13/viper"
"gopkg.in/yaml.v3"
"github.com/erikbos/gatekeeper/pkg/config"
"github.com/erikbos/gatekeeper/pkg/shared"
"github.com/erikbos/gatekeeper/pkg/webadmin"
)
const (
defaultLogLevel = "info"
defaultLogFileName = "/dev/stdout"
defaultWebAdminListen = "0.0.0.0:8888"
defaultWebAdminLogFileName = "accesslogserver-admin.log"
defaultALSListen = "0.0.0.0:8001"
defaultALSLogFileName = "envoyproxy.log"
defaultALSMaxStreamDuration = 1 * time.Hour
)
// accessLogServerConfig contains our startup configuration data
type accessLogServerConfig struct {
Logger shared.Logger // log configuration of application
WebAdmin webadmin.Config // Admin web interface configuration
AccessLogger AccessLogServerConfig // Access logging configuration
}
// String() return our startup configuration as YAML
func (config *accessLogServerConfig) String() string {
configAsYAML, err := yaml.Marshal(config)
if err != nil {
return ""
}
return string(configAsYAML)
}
func loadConfiguration(filename string) (*accessLogServerConfig, error) {
defaultConfig := &accessLogServerConfig{
Logger: shared.Logger{
Level: defaultLogLevel,
Filename: defaultLogFileName,
},
WebAdmin: webadmin.Config{
Listen: defaultWebAdminListen,
Logger: shared.Logger{
Level: defaultLogLevel,
Filename: defaultWebAdminLogFileName,
},
},
AccessLogger: AccessLogServerConfig{
Listen: defaultALSListen,
MaxStreamDuration: defaultALSMaxStreamDuration,
Logger: shared.Logger{
Level: defaultLogLevel,
Filename: defaultALSLogFileName,
},
},
}
viper, err := config.Load(filename)
if err != nil {
return nil, err
}
return toAccessLogServerConfig(defaultConfig, *viper)
}
func toAccessLogServerConfig(defaultConfig *accessLogServerConfig, v viper.Viper) (*accessLogServerConfig, error) {
err := v.Unmarshal(&defaultConfig)
if err != nil {
return nil, err
}
return defaultConfig, nil
}