Make luci-go compile again after deps.lock roll.

common/cloudlogging/severity.go

-// Copyright 2015 The LUCI Authors. All rights reserved.
-// Use of this source code is governed under the Apache License, Version 2.0
-// that can be found in the LICENSE file.
-
-package cloudlogging
-
-import (
-        "errors"
-        "strings"
-)
-
-// Severity defines how important a message is.
-type Severity string
-
-// All severity types understood by Cloud Logging.
-const (
-        Default   Severity = "DEFAULT"
-        Debug     Severity = "DEBUG"
-        Info      Severity = "INFO"
-        Notice    Severity = "NOTICE"
-        Warning   Severity = "WARNING"
-        Error     Severity = "ERROR"
-        Critical  Severity = "CRITICAL"
-        Alert     Severity = "ALERT"
-        Emergency Severity = "EMERGENCY"
-)
-
-var knownSeverity = []Severity{
-        Default,
-        Debug,
-        Info,
-        Notice,
-        Warning,
-        Error,
-        Critical,
-        Alert,
-        Emergency,
-}
-
-// Validate returns a error if the severity is not recognized.
-func (sev Severity) Validate() error {
-        for _, k := range knownSeverity {
-                if sev == k {
-                        return nil
-                }
-        }
-        return errors.New("cloudlog: unknown severity")
-}
-
-// String is used by 'flag' package.
-func (sev Severity) String() string {
-        return string(sev)
-}
-
-// Set is called by 'flag' package when parsing command line options.
-func (sev *Severity) Set(value string) error {
-        val := Severity(strings.ToUpper(value))
-        if err := val.Validate(); err != nil {
-                return err
-        }
-        *sev = val
-        return nil
-}