github.com/demonoid81/moby@v0.0.0-20200517203328-62dd8e17c460/daemon/logger/local/config.go (about) 1 package local 2 3 import ( 4 "github.com/pkg/errors" 5 ) 6 7 // CreateConfig is used to configure new instances of driver 8 type CreateConfig struct { 9 DisableCompression bool 10 MaxFileSize int64 11 MaxFileCount int 12 } 13 14 func newDefaultConfig() *CreateConfig { 15 return &CreateConfig{ 16 MaxFileSize: defaultMaxFileSize, 17 MaxFileCount: defaultMaxFileCount, 18 DisableCompression: !defaultCompressLogs, 19 } 20 } 21 22 func validateConfig(cfg *CreateConfig) error { 23 if cfg.MaxFileSize < 0 { 24 return errors.New("max size should be a positive number") 25 } 26 if cfg.MaxFileCount < 0 { 27 return errors.New("max file count cannot be less than 0") 28 } 29 30 if !cfg.DisableCompression { 31 if cfg.MaxFileCount <= 1 { 32 return errors.New("compression cannot be enabled when max file count is 1") 33 } 34 } 35 return nil 36 }