You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.1 KiB
86 lines
2.1 KiB
package flags
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/pkg/errors"
|
|
|
|
"github.com/tendermint/tmlibs/log"
|
|
)
|
|
|
|
const (
|
|
defaultLogLevelKey = "*"
|
|
)
|
|
|
|
// ParseLogLevel parses complex log level - comma-separated
|
|
// list of module:level pairs with an optional *:level pair (* means
|
|
// all other modules).
|
|
//
|
|
// Example:
|
|
// ParseLogLevel("consensus:debug,mempool:debug,*:error", log.NewTMLogger(os.Stdout), "info")
|
|
func ParseLogLevel(lvl string, logger log.Logger, defaultLogLevelValue string) (log.Logger, error) {
|
|
if lvl == "" {
|
|
return nil, errors.New("Empty log level")
|
|
}
|
|
|
|
l := lvl
|
|
|
|
// prefix simple one word levels (e.g. "info") with "*"
|
|
if !strings.Contains(l, ":") {
|
|
l = defaultLogLevelKey + ":" + l
|
|
}
|
|
|
|
options := make([]log.Option, 0)
|
|
|
|
isDefaultLogLevelSet := false
|
|
var option log.Option
|
|
var err error
|
|
|
|
list := strings.Split(l, ",")
|
|
for _, item := range list {
|
|
moduleAndLevel := strings.Split(item, ":")
|
|
|
|
if len(moduleAndLevel) != 2 {
|
|
return nil, fmt.Errorf("Expected list in a form of \"module:level\" pairs, given pair %s, list %s", item, list)
|
|
}
|
|
|
|
module := moduleAndLevel[0]
|
|
level := moduleAndLevel[1]
|
|
|
|
if module == defaultLogLevelKey {
|
|
option, err = log.AllowLevel(level)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, fmt.Sprintf("Failed to parse default log level (pair %s, list %s)", item, l))
|
|
}
|
|
options = append(options, option)
|
|
isDefaultLogLevelSet = true
|
|
} else {
|
|
switch level {
|
|
case "debug":
|
|
option = log.AllowDebugWith("module", module)
|
|
case "info":
|
|
option = log.AllowInfoWith("module", module)
|
|
case "error":
|
|
option = log.AllowErrorWith("module", module)
|
|
case "none":
|
|
option = log.AllowNoneWith("module", module)
|
|
default:
|
|
return nil, fmt.Errorf("Expected either \"info\", \"debug\", \"error\" or \"none\" log level, given %s (pair %s, list %s)", level, item, list)
|
|
}
|
|
options = append(options, option)
|
|
|
|
}
|
|
}
|
|
|
|
// if "*" is not provided, set default global level
|
|
if !isDefaultLogLevelSet {
|
|
option, err = log.AllowLevel(defaultLogLevelValue)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
options = append(options, option)
|
|
}
|
|
|
|
return log.NewFilter(logger, options...), nil
|
|
}
|