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go-micro/server/debug/debug.go
2018-03-03 11:53:52 +00:00

51 lines
1.2 KiB
Go

package debug
import (
"context"
"runtime"
"time"
proto "github.com/micro/go-micro/server/debug/proto"
)
// The debug handler represents an internal server handler
// used to determine health, status and env info about
// a service node. It's akin to Google's /statusz, /healthz,
// and /varz
type DebugHandler interface {
Health(ctx context.Context, req *proto.HealthRequest, rsp *proto.HealthResponse) error
Stats(ctx context.Context, req *proto.StatsRequest, rsp *proto.StatsResponse) error
}
// Our own internal handler
type debug struct {
started int64
}
var (
DefaultDebugHandler DebugHandler = newDebug()
)
func newDebug() *debug {
return &debug{
started: time.Now().Unix(),
}
}
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
}