mirror of https://github.com/dapr/kit.git
105 lines
2.6 KiB
Go
105 lines
2.6 KiB
Go
/*
|
|
Copyright 2021 The Dapr Authors
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package logger
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
const (
|
|
defaultJSONOutput = false
|
|
defaultOutputLevel = "info"
|
|
undefinedAppID = ""
|
|
)
|
|
|
|
// Options defines the sets of options for Dapr logging.
|
|
type Options struct {
|
|
// appID is the unique id of Dapr Application
|
|
appID string
|
|
|
|
// JSONFormatEnabled is the flag to enable JSON formatted log
|
|
JSONFormatEnabled bool
|
|
|
|
// OutputLevel is the level of logging
|
|
OutputLevel string
|
|
}
|
|
|
|
// SetOutputLevel sets the log output level.
|
|
func (o *Options) SetOutputLevel(outputLevel string) error {
|
|
if toLogLevel(outputLevel) == UndefinedLevel {
|
|
return fmt.Errorf("undefined Log Output Level: %s", outputLevel)
|
|
}
|
|
o.OutputLevel = outputLevel
|
|
return nil
|
|
}
|
|
|
|
// SetAppID sets Application ID.
|
|
func (o *Options) SetAppID(id string) {
|
|
o.appID = id
|
|
}
|
|
|
|
// AttachCmdFlags attaches log options to command flags.
|
|
func (o *Options) AttachCmdFlags(
|
|
stringVar func(p *string, name string, value string, usage string),
|
|
boolVar func(p *bool, name string, value bool, usage string),
|
|
) {
|
|
if stringVar != nil {
|
|
stringVar(
|
|
&o.OutputLevel,
|
|
"log-level",
|
|
defaultOutputLevel,
|
|
"Options are debug, info, warn, error, or fatal (default info)")
|
|
}
|
|
if boolVar != nil {
|
|
boolVar(
|
|
&o.JSONFormatEnabled,
|
|
"log-as-json",
|
|
defaultJSONOutput,
|
|
"print log as JSON (default false)")
|
|
}
|
|
}
|
|
|
|
// DefaultOptions returns default values of Options.
|
|
func DefaultOptions() Options {
|
|
return Options{
|
|
JSONFormatEnabled: defaultJSONOutput,
|
|
appID: undefinedAppID,
|
|
OutputLevel: defaultOutputLevel,
|
|
}
|
|
}
|
|
|
|
// ApplyOptionsToLoggers applys options to all registered loggers.
|
|
func ApplyOptionsToLoggers(options *Options) error {
|
|
internalLoggers := getLoggers()
|
|
|
|
// Apply formatting options first
|
|
for _, v := range internalLoggers {
|
|
v.EnableJSONOutput(options.JSONFormatEnabled)
|
|
|
|
if options.appID != undefinedAppID {
|
|
v.SetAppID(options.appID)
|
|
}
|
|
}
|
|
|
|
daprLogLevel := toLogLevel(options.OutputLevel)
|
|
if daprLogLevel == UndefinedLevel {
|
|
return fmt.Errorf("invalid value for --log-level: %s", options.OutputLevel)
|
|
}
|
|
|
|
for _, v := range internalLoggers {
|
|
v.SetOutputLevel(daprLogLevel)
|
|
}
|
|
return nil
|
|
}
|