local

package
v0.6.7-0...-92a6266 Latest Latest
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Published: Apr 18, 2019 License: Apache-2.0 Imports: 15 Imported by: 0

Documentation

Overview

Package local provides a logger implementation that stores logs on disk.

Log messages are encoded as protobufs with a header and footer for each message. The header and footer are big-endian binary encoded uint32 values which indicate the size of the log message. The header and footer of each message allows you to efficiently read through a file either forwards or in backwards (such as is the case when tailing a file)

Example log message format: [22][This is a log message.][22][28][This is another log message.][28]

Index

Constants

View Source
const (
	// Name is the name of the driver
	Name = "local"
)

Variables

View Source
var LogOptKeys = map[string]bool{
	"max-file": true,
	"max-size": true,
	"compress": true,
}

LogOptKeys are the keys names used for log opts passed in to initialize the driver.

Functions

func New

func New(info logger.Info) (logger.Logger, error)

New creates a new local logger You must provide the `LogPath` in the passed in info argument, this is the file path that logs are written to.

func ValidateLogOpt

func ValidateLogOpt(cfg map[string]string) error

ValidateLogOpt looks for log driver specific options.

Types

type CreateConfig

type CreateConfig struct {
	DisableCompression bool
	MaxFileSize        int64
	MaxFileCount       int
}

CreateConfig is used to configure new instances of driver

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