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move to structured logging

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This commit is contained in:
Asim Aslam 2019-12-18 16:02:11 +00:00
parent a82af19d43
commit f0e841595c
10 changed files with 102 additions and 71 deletions
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2
debug/log/kubernetes/kubernetes_test.go
View File

@ -24,7 +24,7 @@ func TestKubernetes(t *testing.T) {
meta := make(map[string]string)
write := log.Record{
Timestamp: time.Unix(0, 0).UTC(),
Value: "Test log entry",
Message: "Test log entry",
Metadata: meta,
}
meta["foo"] = "bar"

6
debug/log/log.go
View File

@ -25,11 +25,11 @@ type Log interface {
// Record is log record entry
type Record struct {
// Timestamp of logged event
Timestamp time.Time `json:"time"`
// Value contains log entry
Value interface{} `json:"value"`
Timestamp time.Time `json:"timestamp"`
// Metadata to enrich log record
Metadata map[string]string `json:"metadata"`
// Value contains log entry
Message interface{} `json:"message"`
}
// Stream returns a log stream

8
debug/log/memory/memory.go
View File

@ -35,7 +35,7 @@ func NewLog(opts ...log.Option) log.Log {
// Write writes logs into logger
func (l *memoryLog) Write(r log.Record) error {
l.Buffer.Put(fmt.Sprint(r.Value))
l.Buffer.Put(fmt.Sprint(r.Message))
return nil
}
@ -74,7 +74,7 @@ func (l *memoryLog) Read(opts ...log.ReadOption) ([]log.Record, error) {
for _, entry := range entries {
record := log.Record{
Timestamp: entry.Timestamp,
Value: entry.Value,
Message: entry.Value,
}
records = append(records, record)
}
@ -98,7 +98,7 @@ func (l *memoryLog) Stream() (log.Stream, error) {
for _, entry := range last10 {
records <- log.Record{
Timestamp: entry.Timestamp,
Value: entry.Value,
Message: entry.Value,
Metadata: make(map[string]string),
}
}
@ -106,7 +106,7 @@ func (l *memoryLog) Stream() (log.Stream, error) {
for entry := range stream {
records <- log.Record{
Timestamp: entry.Timestamp,
Value: entry.Value,
Message: entry.Value,
Metadata: make(map[string]string),
}
}

8
debug/log/memory/memory_test.go
View File

@ -18,15 +18,15 @@ func TestLogger(t *testing.T) {
}
// Log some cruft
lg.Write(log.Record{Value: "foobar"})
lg.Write(log.Record{Value: "foo bar"})
lg.Write(log.Record{Message: "foobar"})
lg.Write(log.Record{Message: "foo bar"})
// Check if the logs are stored in the logger ring buffer
expected := []string{"foobar", "foo bar"}
entries, _ := lg.Read(log.Count(len(expected)))
for i, entry := range entries {
if !reflect.DeepEqual(entry.Value, expected[i]) {
t.Errorf("expected %s, got %s", expected[i], entry.Value)
if !reflect.DeepEqual(entry.Message, expected[i]) {
t.Errorf("expected %s, got %s", expected[i], entry.Message)
}
}
}

4
debug/log/os.go
View File

@ -87,7 +87,7 @@ func (o *osLog) run() {
} else {
r = Record{
Timestamp: time.Now(),
Value: strings.TrimSuffix(line, "\n"),
Message: strings.TrimSuffix(line, "\n"),
Metadata: make(map[string]string),
}
}
@ -125,7 +125,7 @@ func (o *osLog) Read(...ReadOption) ([]Record, error) {
// Write writes records to log
func (o *osLog) Write(r Record) error {
b, _ := json.Marshal(r)
_, err := os.Stderr.Write(b)
_, err := os.Stderr.Write(append(b, byte('\n')))
return err
}

2
debug/service/client.go
View File

@ -65,7 +65,7 @@ func (d *debugClient) streamLogs(lg *logStream, stream pb.Debug_LogService) {
record := log.Record{
Timestamp: time.Unix(resp.Timestamp, 0),
Value: resp.Value,
Message: resp.Message,
Metadata: metadata,
}

2
debug/service/handler/debug.go
View File

@ -111,7 +111,7 @@ func (d *Debug) sendRecord(record log.Record, stream server.Stream) error {
return stream.Send(&proto.Record{
Timestamp: record.Timestamp.Unix(),
Value: record.Value.(string),
Message: record.Message.(string),
Metadata: metadata,
})
}

73
debug/service/proto/debug.pb.go
View File

@ -299,10 +299,10 @@ func (m *LogRequest) GetSince() int64 {
type Record struct {
// timestamp of log record
Timestamp int64 `protobuf:"varint,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
// record value
Value string `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
// record metadata
Metadata map[string]string `protobuf:"bytes,3,rep,name=metadata,proto3" json:"metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
Metadata map[string]string `protobuf:"bytes,2,rep,name=metadata,proto3" json:"metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
// message
Message string `protobuf:"bytes,3,opt,name=message,proto3" json:"message,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
@ -340,13 +340,6 @@ func (m *Record) GetTimestamp() int64 {
return 0
}
func (m *Record) GetValue() string {
if m != nil {
return m.Value
}
return ""
}
func (m *Record) GetMetadata() map[string]string {
if m != nil {
return m.Metadata
@ -354,6 +347,13 @@ func (m *Record) GetMetadata() map[string]string {
return nil
}
func (m *Record) GetMessage() string {
if m != nil {
return m.Message
}
return ""
}
func init() {
proto.RegisterType((*HealthRequest)(nil), "HealthRequest")
proto.RegisterType((*HealthResponse)(nil), "HealthResponse")
@ -369,30 +369,31 @@ func init() {
}
var fileDescriptor_dea322649cde1ef2 = []byte{
// 399 bytes of a gzipped FileDescriptorProto
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0x12, 0xaf, 0xe1, 0xd0, 0xb4, 0x61, 0xb4, 0x13, 0x9d, 0x10, 0x3f, 0x83, 0xbc, 0xb2, 0x43, 0x47,
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0x41, 0xa1, 0xb1, 0xb2, 0xae, 0xfe, 0xff, 0x10, 0xec, 0xfe, 0x21, 0xce, 0x20, 0xbf, 0x35, 0x37,
0x03, 0x86, 0xb7, 0x16, 0x3a, 0x02, 0xfe, 0x16, 0x4e, 0x5a, 0x24, 0x53, 0x1b, 0x32, 0x82, 0x9d,
0xb3, 0xf2, 0xf4, 0xe2, 0xa9, 0x8a, 0x76, 0xea, 0x6b, 0xe2, 0x3f, 0x77, 0xe4, 0x76, 0xfa, 0x9f,
0x6c, 0xfd, 0x11, 0x96, 0x93, 0x16, 0x7f, 0x02, 0xec, 0x07, 0xee, 0xd2, 0x72, 0x63, 0xf9, 0xf0,
0x5b, 0x1f, 0xe6, 0xef, 0xb3, 0x8b, 0x5f, 0x90, 0x7f, 0x1a, 0xc3, 0xc4, 0x5f, 0x41, 0x11, 0xb3,
0xc1, 0x57, 0x6a, 0x92, 0xa7, 0xf5, 0x63, 0x35, 0x0d, 0x8d, 0x9c, 0xf1, 0x12, 0xf2, 0xf0, 0xe7,
0x7c, 0xa9, 0xee, 0xc7, 0x64, 0xbd, 0x52, 0x93, 0x28, 0xc8, 0x19, 0x7f, 0x01, 0xec, 0xd2, 0x36,
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0xdd, 0xdf, 0x00, 0x00, 0x00, 0xff, 0xff, 0xea, 0xdf, 0xa5, 0x1d, 0xf7, 0x02, 0x00, 0x00,
// 407 bytes of a gzipped FileDescriptorProto
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0xd3, 0x4c, 0xce, 0xfb, 0x02, 0x00, 0x00,
}

6
debug/service/proto/debug.proto
View File

@ -54,8 +54,8 @@ message LogRequest {
message Record {
// timestamp of log record
int64 timestamp = 1;
// record value
string value = 2;
// record metadata
map<string,string> metadata = 3;
map<string,string> metadata = 2;
// message
string message = 3;
}

56
util/log/log.go
View File

@ -4,9 +4,9 @@ package log
import (
"fmt"
"os"
"time"
"github.com/go-log/log"
golog "github.com/go-log/log/log"
"github.com/micro/go-micro/debug/log"
)
// level is a log level
@ -23,7 +23,7 @@ const (
var (
// the local logger
logger log.Logger = golog.New()
logger log.Log = log.DefaultLog
// default log level is info
level = LevelInfo
@ -49,21 +49,51 @@ func init() {
}
}
// Log makes use of github.com/go-log/log.Log
func Log(v ...interface{}) {
if len(prefix) > 0 {
logger.Log(append([]interface{}{prefix, " "}, v...)...)
return
func (l Level) String() string {
switch l {
case LevelTrace:
return "trace"
case LevelDebug:
return "debug"
case LevelWarn:
return "warn"
case LevelInfo:
return "info"
case LevelError:
return "error"
case LevelFatal:
return "fatal"
default:
return "unknown"
}
logger.Log(v...)
}
// Logf makes use of github.com/go-log/log.Logf
// Log makes use of github.com/micro/debug/log
func Log(v ...interface{}) {
if len(prefix) > 0 {
v = append([]interface{}{prefix, " "}, v...)
}
logger.Write(log.Record{
Timestamp: time.Now(),
Message: fmt.Sprint(v...),
Metadata: map[string]string{
"level": level.String(),
},
})
}
// Logf makes use of github.com/micro/debug/log
func Logf(format string, v ...interface{}) {
if len(prefix) > 0 {
format = prefix + " " + format
}
logger.Logf(format, v...)
logger.Write(log.Record{
Timestamp: time.Now(),
Message: fmt.Sprintf(format, v...),
Metadata: map[string]string{
"level": level.String(),
},
})
}
// WithLevel logs with the level specified
@ -145,12 +175,12 @@ func Fatalf(format string, v ...interface{}) {
}
// SetLogger sets the local logger
func SetLogger(l log.Logger) {
func SetLogger(l log.Log) {
logger = l
}
// GetLogger returns the local logger
func GetLogger() log.Logger {
func GetLogger() log.Log {
return logger
}