micro/debug/handler/debug.go

86 lines
1.7 KiB
Go

// Pacjage handler implements service debug handler
package handler
import (
"context"
"runtime"
"time"
"github.com/micro/go-micro/debug/log"
proto "github.com/micro/go-micro/debug/proto"
)
var (
// DefaultHandler is default debug handler
DefaultHandler = newDebug()
)
type Debug struct {
started int64
proto.DebugHandler
log log.Log
}
func newDebug() *Debug {
return &Debug{
started: time.Now().Unix(),
log: log.DefaultLog,
}
}
func (d *Debug) Health(ctx context.Context, req *proto.HealthRequest, rsp *proto.HealthResponse) error {
rsp.Status = "ok"
return nil
}
func (d *Debug) Stats(ctx context.Context, req *proto.StatsRequest, rsp *proto.StatsResponse) error {
var mstat runtime.MemStats
runtime.ReadMemStats(&mstat)
rsp.Started = uint64(d.started)
rsp.Uptime = uint64(time.Now().Unix() - d.started)
rsp.Memory = mstat.Alloc
rsp.Gc = mstat.PauseTotalNs
rsp.Threads = uint64(runtime.NumGoroutine())
return nil
}
func (d *Debug) Logs(ctx context.Context, req *proto.LogRequest, stream proto.Debug_LogsStream) error {
var options []log.ReadOption
since := time.Unix(0, req.Since)
if !since.IsZero() {
options = append(options, log.Since(since))
}
count := int(req.Count)
if count > 0 {
options = append(options, log.Count(count))
}
// get the log records
records := d.log.Read(options...)
// TODO: figure out the stream
for _, record := range records {
metadata := make(map[string]string)
for k, v := range record.Metadata {
metadata[k] = v
}
recLog := &proto.Log{
Timestamp: record.Timestamp.UnixNano(),
Value: record.Value.(string),
Metadata: metadata,
}
if err := stream.Send(recLog); err != nil {
return err
}
}
return nil
}