capnslog

package
v1.0.6 Latest Latest
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Published: Jan 8, 2018 License: Apache-2.0, Apache-2.0 Imports: 16 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func GlogHeader

func GlogHeader(level LogLevel, depth int) []byte

func SetFormatter

func SetFormatter(f Formatter)

SetFormatter sets the formatting function for all logs.

func SetGlobalLogLevel

func SetGlobalLogLevel(l LogLevel)

SetGlobalLogLevel sets the log level for all packages in all repositories registered with capnslog.

Types

type Formatter

type Formatter interface {
	Format(pkg string, level LogLevel, depth int, entries ...interface{})
	Flush()
}

func NewDefaultFormatter

func NewDefaultFormatter(out io.Writer) Formatter

func NewDefaultSyslogFormatter

func NewDefaultSyslogFormatter(tag string) (Formatter, error)

func NewJournaldFormatter

func NewJournaldFormatter() (Formatter, error)

func NewLogFormatter

func NewLogFormatter(w io.Writer, prefix string, flag int) Formatter

NewLogFormatter is a helper to produce a new LogFormatter struct. It uses the golang log package to actually do the logging work so that logs look similar.

func NewNilFormatter

func NewNilFormatter() Formatter

NewNilFormatter is a helper to produce a new LogFormatter struct. It logs no messages so that you can cause part of your logging to be silent.

func NewPrettyFormatter

func NewPrettyFormatter(w io.Writer, debug bool) Formatter

func NewStringFormatter

func NewStringFormatter(w io.Writer) Formatter

func NewSyslogFormatter

func NewSyslogFormatter(w *syslog.Writer) Formatter

type GlogFormatter

type GlogFormatter struct {
	StringFormatter
}

func NewGlogFormatter

func NewGlogFormatter(w io.Writer) *GlogFormatter

func (GlogFormatter) Format

func (g GlogFormatter) Format(pkg string, level LogLevel, depth int, entries ...interface{})

type LogFormatter

type LogFormatter struct {
	// contains filtered or unexported fields
}

LogFormatter emulates the form of the traditional built-in logger.

func (*LogFormatter) Flush

func (lf *LogFormatter) Flush()

Flush is included so that the interface is complete, but is a no-op.

func (*LogFormatter) Format

func (lf *LogFormatter) Format(pkg string, _ LogLevel, _ int, entries ...interface{})

Format builds a log message for the LogFormatter. The LogLevel is ignored.

type LogLevel

type LogLevel int8

LogLevel is the set of all log levels.

const (
	// CRITICAL is the lowest log level; only errors which will end the program will be propagated.
	CRITICAL LogLevel = iota - 1
	// ERROR is for errors that are not fatal but lead to troubling behavior.
	ERROR
	// WARNING is for errors which are not fatal and not errors, but are unusual. Often sourced from misconfigurations.
	WARNING
	// NOTICE is for normal but significant conditions.
	NOTICE
	// INFO is a log level for common, everyday log updates.
	INFO
	// DEBUG is the default hidden level for more verbose updates about internal processes.
	DEBUG
	// TRACE is for (potentially) call by call tracing of programs.
	TRACE
)

func ParseLevel

func ParseLevel(s string) (LogLevel, error)

ParseLevel translates some potential loglevel strings into their corresponding levels.

func (LogLevel) Char

func (l LogLevel) Char() string

Char returns a single-character representation of the log level.

func (*LogLevel) Set

func (l *LogLevel) Set(s string) error

Update using the given string value. Fulfills the flag.Value interface.

func (LogLevel) String

func (l LogLevel) String() string

String returns a multi-character representation of the log level.

type NilFormatter

type NilFormatter struct {
}

NilFormatter is a no-op log formatter that does nothing.

func (*NilFormatter) Flush

func (_ *NilFormatter) Flush()

Flush is included so that the interface is complete, but is a no-op.

func (*NilFormatter) Format

func (_ *NilFormatter) Format(_ string, _ LogLevel, _ int, _ ...interface{})

Format does nothing.

type PackageLogger

type PackageLogger struct {
	// contains filtered or unexported fields
}

func NewPackageLogger

func NewPackageLogger(repo string, pkg string) (p *PackageLogger)

NewPackageLogger creates a package logger object. This should be defined as a global var in your package, referencing your repo.

func (*PackageLogger) Debug

func (p *PackageLogger) Debug(entries ...interface{})

func (*PackageLogger) Debugf

func (p *PackageLogger) Debugf(format string, args ...interface{})

func (*PackageLogger) Error

func (p *PackageLogger) Error(entries ...interface{})

func (*PackageLogger) Errorf

func (p *PackageLogger) Errorf(format string, args ...interface{})

func (*PackageLogger) Fatal

func (p *PackageLogger) Fatal(args ...interface{})

func (*PackageLogger) Fatalf

func (p *PackageLogger) Fatalf(format string, args ...interface{})

func (*PackageLogger) Fatalln

func (p *PackageLogger) Fatalln(args ...interface{})

func (*PackageLogger) Flush

func (p *PackageLogger) Flush()

func (*PackageLogger) Info

func (p *PackageLogger) Info(entries ...interface{})

func (*PackageLogger) Infof

func (p *PackageLogger) Infof(format string, args ...interface{})

func (*PackageLogger) LevelAt

func (p *PackageLogger) LevelAt(l LogLevel) bool

func (*PackageLogger) Log

func (p *PackageLogger) Log(l LogLevel, args ...interface{})

Log a message at any level between ERROR and TRACE

func (*PackageLogger) Logf

func (p *PackageLogger) Logf(l LogLevel, format string, args ...interface{})

Log a formatted string at any level between ERROR and TRACE

func (*PackageLogger) Notice

func (p *PackageLogger) Notice(entries ...interface{})

func (*PackageLogger) Noticef

func (p *PackageLogger) Noticef(format string, args ...interface{})

func (*PackageLogger) Panic

func (p *PackageLogger) Panic(args ...interface{})

func (*PackageLogger) Panicf

func (p *PackageLogger) Panicf(format string, args ...interface{})

func (*PackageLogger) Print

func (p *PackageLogger) Print(args ...interface{})

func (*PackageLogger) Printf

func (p *PackageLogger) Printf(format string, args ...interface{})

func (*PackageLogger) Println

func (p *PackageLogger) Println(args ...interface{})

func (*PackageLogger) Trace

func (p *PackageLogger) Trace(entries ...interface{})

func (*PackageLogger) Tracef

func (p *PackageLogger) Tracef(format string, args ...interface{})

func (*PackageLogger) Warning

func (p *PackageLogger) Warning(entries ...interface{})

func (*PackageLogger) Warningf

func (p *PackageLogger) Warningf(format string, args ...interface{})

type PrettyFormatter

type PrettyFormatter struct {
	// contains filtered or unexported fields
}

func (*PrettyFormatter) Flush

func (c *PrettyFormatter) Flush()

func (*PrettyFormatter) Format

func (c *PrettyFormatter) Format(pkg string, l LogLevel, depth int, entries ...interface{})

type RepoLogger

type RepoLogger map[string]*PackageLogger

func GetRepoLogger

func GetRepoLogger(repo string) (RepoLogger, error)

GetRepoLogger may return the handle to the repository's set of packages' loggers.

func MustRepoLogger

func MustRepoLogger(repo string) RepoLogger

MustRepoLogger returns the handle to the repository's packages' loggers.

func (RepoLogger) ParseLogLevelConfig

func (r RepoLogger) ParseLogLevelConfig(conf string) (map[string]LogLevel, error)

ParseLogLevelConfig parses a comma-separated string of "package=loglevel", in order, and returns a map of the results, for use in SetLogLevel.

func (RepoLogger) SetLogLevel

func (r RepoLogger) SetLogLevel(m map[string]LogLevel)

SetLogLevel takes a map of package names within a repository to their desired loglevel, and sets the levels appropriately. Unknown packages are ignored. "*" is a special package name that corresponds to all packages, and will be processed first.

func (RepoLogger) SetRepoLogLevel

func (r RepoLogger) SetRepoLogLevel(l LogLevel)

SetRepoLogLevel sets the log level for all packages in the repository.

type StringFormatter

type StringFormatter struct {
	// contains filtered or unexported fields
}

func (*StringFormatter) Flush

func (s *StringFormatter) Flush()

func (*StringFormatter) Format

func (s *StringFormatter) Format(pkg string, l LogLevel, i int, entries ...interface{})

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