logger

package
v1.6.4 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Nov 2, 2023 License: Apache-2.0 Imports: 21 Imported by: 0

Documentation

Index

Examples

Constants

This section is empty.

Variables

View Source 
var InvalidFormatType = errors.New("invalid FormatType type")
View Source 
var InvalidOutputType = errors.New("invalid OutputType type")

Functions

func CustomReplacer 

func CustomReplacer(groups []string, a slog.Attr) slog.Attr

func ErrIgnoreExporter 

func ErrIgnoreExporter() trace.SpanExporter

func KVsToAttr 

func KVsToAttr(kvs ...any) (atts []attribute.KeyValue)

func KVsToSlogAttr added in v1.5.6 

func KVsToSlogAttr(kvs ...interface{}) (attr []slog.Attr)

func NewJsonHandler 

func NewJsonHandler(skip int) *customJsonHandler

func NewSpanContext 

func NewSpanContext(ctx context.Context, name string) (context.Context, logr.Logger)

func NewTextHandler 

func NewTextHandler(skip int) *customTextHandler

func SpanLogger 

func SpanLogger(span trace.Span) logr.Logger
Example 
package main

import (
	"context"
	"time"

	"github.com/google/uuid"
	"github.com/pkg/errors"
	"go.opentelemetry.io/otel"
	"go.opentelemetry.io/otel/trace"

	"github.com/machinefi/w3bstream/pkg/depends/base/types"
	"github.com/machinefi/w3bstream/pkg/depends/conf/logger"
	"github.com/machinefi/w3bstream/pkg/depends/conf/tracer"
	"github.com/machinefi/w3bstream/pkg/depends/kit/logr"
	"github.com/machinefi/w3bstream/pkg/depends/kit/metax"
	"github.com/machinefi/w3bstream/pkg/depends/kit/sqlx/datatypes"
)

func main() {
	{
		var c = logger.Config{
			Level:  logr.DebugLevel,
			Output: logger.OUTPUT_TYPE__NEVER,
			Format: logger.FORMAT_TYPE__TEXT,
		}

		c.SetDefault()
		if c.Init() != nil {
			return
		}

		ctx := metax.ContextWithMeta(context.Background(), metax.Meta{"_id": {"from context"}, "operator": {"GetByID"}})
		doLog(ctx, "OutputNever")
	}

	{
		var c = logger.Config{
			Level:  logr.InfoLevel,
			Output: logger.OUTPUT_TYPE__ON_FAILURE,
			Format: logger.FORMAT_TYPE__JSON,
		}

		c.SetDefault()
		if c.Init() != nil {
			return
		}

		ctx := metax.ContextWithMeta(context.Background(), metax.Meta{"_id": {"from context"}, "operator": {"GetByID"}})
		doLog(ctx, "OutputOnFailureText")
	}

	{
		var c = logger.Config{
			Output: logger.OUTPUT_TYPE__ALWAYS,
			Format: logger.FORMAT_TYPE__TEXT,
			Level:  logr.DebugLevel,
		}

		c.SetDefault()
		if c.Init() != nil {
			return
		}

		ctx := metax.ContextWithMeta(context.Background(), metax.Meta{"_id": {"from context"}, "operator": {"GetByID"}})
		doLog(ctx, "OutputAlwaysText")
	}

	{
		var c = logger.Config{
			Output: logger.OUTPUT_TYPE__ALWAYS,
			Format: logger.FORMAT_TYPE__JSON,
			Level:  logr.DebugLevel,
		}

		c.SetDefault()
		if c.Init() != nil {
			return
		}

		ctx := metax.ContextWithMeta(context.Background(), metax.Meta{"_id": {"from context"}, "operator": {"GetByID"}})
		doLog(ctx, "OutputAlwaysJson")
	}

	_ = tr.Shutdown(context.Background())

}

var tr *tracer.Config

func init() {
	tr = &tracer.Config{
		GrpcEndpoint: types.Endpoint{
			Scheme:   "http",
			Hostname: "localhost",
			Port:     4317,
		},
		ServiceName:    "test_log",
		ServiceVersion: "1.0.0",
		InstanceID:     uuid.NewString(),
		DebugMode:      datatypes.TRUE,
	}
	tr.SetDefault()
	if err := tr.Init(); err != nil {
		panic(err)
	}
}

func doLog(ctx context.Context, name string) {
	println(name)
	defer println()

	t := otel.Tracer(name)

	ctx, span := t.Start(ctx, "op", trace.WithTimestamp(time.Now()))
	defer func() {
		span.End(trace.WithTimestamp(time.Now()))
	}()

	ctx = logr.WithLogger(ctx, logger.SpanLogger(span))

	someActionWithSpanAndLog(ctx)

	otherActionsLogOnly(ctx)
}

func someActionWithSpanAndLog(ctx context.Context) {
	_, l := logr.Start(ctx, "SomeActionWithSpan")
	defer l.End()

	l.Info("msg")
	l.Debug("msg")
	l.Warn(errors.New("err"))
	l.Error(errors.New("err"))
}

func otherActionsLogOnly(ctx context.Context) {
	l := logr.FromContext(ctx)

	l.WithValues("test_key", 2).Info("test")
	l.Error(errors.New("any"))
}

Output:

func SpanMapExporter 

func SpanMapExporter() trace.SpanExporter

func Std added in v1.5.6 

func Std() logr.Logger

func StdContext added in v1.5.6 

func StdContext(ctx context.Context) (context.Context, logr.Logger)

func StdoutSpanExporter 

func StdoutSpanExporter() trace.SpanExporter

func WithErrIgnoreExporter 

func WithErrIgnoreExporter() func(trace.SpanExporter) trace.SpanExporter

func WithSpanMapExporter 

func WithSpanMapExporter(mappers ...SpanMapper) func(trace.SpanExporter) trace.SpanExporter

Types

type Config 

type Config struct {
	Service string
	Version string
	Level   logr.Level `env:""`
	Output  OutputType `env:""`
	Format  FormatType `env:""`
	// contains filtered or unexported fields
}

func (*Config) Init 

func (c *Config) Init() error

func (*Config) SetDefault 

func (c *Config) SetDefault()

type FormatType 

type FormatType uint8
const (
	FORMAT_TYPE_UNKNOWN FormatType = iota
	FORMAT_TYPE__JSON
	FORMAT_TYPE__TEXT
)

func ParseFormatTypeFromLabel 

func ParseFormatTypeFromLabel(s string) (FormatType, error)

func ParseFormatTypeFromString 

func ParseFormatTypeFromString(s string) (FormatType, error)

func (FormatType) ConstValues 

func (v FormatType) ConstValues() []enum.IntStringerEnum

func (FormatType) Int 

func (v FormatType) Int() int

func (FormatType) Label 

func (v FormatType) Label() string

func (FormatType) MarshalText 

func (v FormatType) MarshalText() ([]byte, error)

func (*FormatType) Scan 

func (v *FormatType) Scan(src interface{}) error

func (FormatType) String 

func (v FormatType) String() string

func (FormatType) TypeName 

func (v FormatType) TypeName() string

func (*FormatType) UnmarshalText 

func (v *FormatType) UnmarshalText(data []byte) error

func (FormatType) Value 

func (v FormatType) Value() (driver.Value, error)

type OutputType 

type OutputType uint8
const (
	OUTPUT_TYPE_UNKNOWN OutputType = iota
	OUTPUT_TYPE__ALWAYS
	OUTPUT_TYPE__ON_FAILURE
	OUTPUT_TYPE__NEVER
)

func ParseOutputTypeFromLabel 

func ParseOutputTypeFromLabel(s string) (OutputType, error)

func ParseOutputTypeFromString 

func ParseOutputTypeFromString(s string) (OutputType, error)

func (OutputType) ConstValues 

func (v OutputType) ConstValues() []enum.IntStringerEnum

func (OutputType) Int 

func (v OutputType) Int() int

func (OutputType) Label 

func (v OutputType) Label() string

func (OutputType) MarshalText 

func (v OutputType) MarshalText() ([]byte, error)

func (*OutputType) Scan 

func (v *OutputType) Scan(src interface{}) error

func (OutputType) String 

func (v OutputType) String() string

func (OutputType) TypeName 

func (v OutputType) TypeName() string

func (*OutputType) UnmarshalText 

func (v *OutputType) UnmarshalText(data []byte) error

func (OutputType) Value 

func (v OutputType) Value() (driver.Value, error)

type SpanMapper 

type SpanMapper func(trace.ReadOnlySpan) trace.ReadOnlySpan

func OutputFilter 

func OutputFilter() SpanMapper

Source Files

View all Source files

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