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main,log,errors: Option to disable log rotation ("rolling")

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For log and errors directive, as well as process log.
This commit is contained in:
Matthew Holt 2019-01-28 10:28:06 -07:00
parent 23627bbf54
commit 930ca1cc1b
5 changed files with 44 additions and 19 deletions
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25
caddyhttp/httpserver/roller.go
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@ -20,11 +20,12 @@ import (
"path/filepath"
"strconv"
"gopkg.in/natefinch/lumberjack.v2"
lumberjack "gopkg.in/natefinch/lumberjack.v2"
)
// LogRoller implements a type that provides a rolling logger.
type LogRoller struct {
Disabled bool
Filename string
MaxSize int
MaxAge int
@ -66,10 +67,11 @@ func IsLogRollerSubdirective(subdir string) bool {
return subdir == directiveRotateSize ||
subdir == directiveRotateAge ||
subdir == directiveRotateKeep ||
subdir == directiveRotateCompress
subdir == directiveRotateCompress ||
subdir == directiveRotateDisable
}
var invalidRollerParameterErr = errors.New("invalid roller parameter")
var errInvalidRollParameter = errors.New("invalid roller parameter")
// ParseRoller parses roller contents out of c.
func ParseRoller(l *LogRoller, what string, where ...string) error {
@ -79,16 +81,16 @@ func ParseRoller(l *LogRoller, what string, where ...string) error {
// rotate_compress doesn't accept any parameters.
// others only accept one parameter
if (what == directiveRotateCompress && len(where) != 0) ||
(what != directiveRotateCompress && len(where) != 1) {
return invalidRollerParameterErr
if ((what == directiveRotateCompress || what == directiveRotateDisable) && len(where) != 0) ||
((what != directiveRotateCompress && what != directiveRotateDisable) && len(where) != 1) {
return errInvalidRollParameter
}
var (
value int
err error
)
if what != directiveRotateCompress {
if what != directiveRotateCompress && what != directiveRotateDisable {
value, err = strconv.Atoi(where[0])
if err != nil {
return err
@ -96,6 +98,8 @@ func ParseRoller(l *LogRoller, what string, where ...string) error {
}
switch what {
case directiveRotateDisable:
l.Disabled = true
case directiveRotateSize:
l.MaxSize = value
case directiveRotateAge:
@ -127,6 +131,7 @@ const (
// defaultRotateKeep is 10 files.
defaultRotateKeep = 10
directiveRotateDisable = "rotate_disable"
directiveRotateSize = "rotate_size"
directiveRotateAge = "rotate_age"
directiveRotateKeep = "rotate_keep"
@ -134,5 +139,7 @@ const (
)
// lumberjacks maps log filenames to the logger
// that is being used to keep them rolled/maintained.
var lumberjacks = make(map[string]*lumberjack.Logger)
// that is being used to keep them rolled/maintained;
// if rolling is disabled, it's just a regular
// *os.File, not a lumberjack
var lumberjacks = make(map[string]io.Writer)