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Code Issues Releases Activity

Add debug stats handler

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This commit is contained in:
Asim
2016-05-28 22:30:47 +01:00
parent 824d2a850c
commit 93c1ae6221
4 changed files with 97 additions and 19 deletions
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7
server/debug.go
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@@ -2,9 +2,6 @@ package server
import (
"github.com/micro/go-micro/server/debug"
proto "github.com/micro/go-micro/server/debug/proto"
"golang.org/x/net/context"
)
// We use this to wrap any debug handlers so we preserve the signature Debug.{Method}
@@ -12,10 +9,6 @@ type Debug struct {
debug.DebugHandler
}
func (d *Debug) Health(ctx context.Context, req *proto.HealthRequest, rsp *proto.HealthResponse) error {
return d.DebugHandler.Health(ctx, req, rsp)
}
func registerDebugHandler(s Server) {
s.Handle(s.NewHandler(&Debug{s.Options().DebugHandler}, InternalHandler(true)))
}

28
server/debug/debug.go
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@@ -1,6 +1,9 @@
package debug
import (
"runtime"
"time"
proto "github.com/micro/go-micro/server/debug/proto"
"golang.org/x/net/context"
@@ -12,16 +15,37 @@ import (
// 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{}
type debug struct {
started int64
}
var (
DefaultDebugHandler DebugHandler = new(debug)
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
}

63
server/debug/proto/debug.pb.go
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@@ -1,16 +1,18 @@
// Code generated by protoc-gen-go.
// source: go-micro/server/debug/proto/debug.proto
// source: github.com/micro/go-micro/server/debug/proto/debug.proto
// DO NOT EDIT!
/*
Package debug is a generated protocol buffer package.
It is generated from these files:
go-micro/server/debug/proto/debug.proto
github.com/micro/go-micro/server/debug/proto/debug.proto
It has these top-level messages:
HealthRequest
HealthResponse
StatsRequest
StatsResponse
*/
package debug
@@ -23,6 +25,12 @@ var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
type HealthRequest struct {
}
@@ -32,6 +40,7 @@ func (*HealthRequest) ProtoMessage() {}
func (*HealthRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
type HealthResponse struct {
// default: ok
Status string `protobuf:"bytes,1,opt,name=status" json:"status,omitempty"`
}
@@ -40,18 +49,52 @@ func (m *HealthResponse) String() string { return proto.CompactTextSt
func (*HealthResponse) ProtoMessage() {}
func (*HealthResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
type StatsRequest struct {
}
func (m *StatsRequest) Reset() { *m = StatsRequest{} }
func (m *StatsRequest) String() string { return proto.CompactTextString(m) }
func (*StatsRequest) ProtoMessage() {}
func (*StatsRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} }
type StatsResponse struct {
// unix timestamp
Started uint64 `protobuf:"varint,1,opt,name=started" json:"started,omitempty"`
// in seconds
Uptime uint64 `protobuf:"varint,2,opt,name=uptime" json:"uptime,omitempty"`
// in bytes
Memory uint64 `protobuf:"varint,3,opt,name=memory" json:"memory,omitempty"`
// num threads
Threads uint64 `protobuf:"varint,4,opt,name=threads" json:"threads,omitempty"`
// in nanoseconds
Gc uint64 `protobuf:"varint,5,opt,name=gc" json:"gc,omitempty"`
}
func (m *StatsResponse) Reset() { *m = StatsResponse{} }
func (m *StatsResponse) String() string { return proto.CompactTextString(m) }
func (*StatsResponse) ProtoMessage() {}
func (*StatsResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
func init() {
proto.RegisterType((*HealthRequest)(nil), "HealthRequest")
proto.RegisterType((*HealthResponse)(nil), "HealthResponse")
proto.RegisterType((*StatsRequest)(nil), "StatsRequest")
proto.RegisterType((*StatsResponse)(nil), "StatsResponse")
}
var fileDescriptor0 = []byte{
// 107 bytes of a gzipped FileDescriptorProto
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// 201 bytes of a gzipped FileDescriptorProto
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0xff, 0xc6, 0x75, 0x51, 0x35, 0x13, 0x01, 0x00, 0x00,
}

18
server/debug/proto/debug.proto
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@@ -6,11 +6,29 @@ syntax = "proto3";
//
// service Debug {
// rpc Health(HealthRequest) returns (HealthResponse) {}
// rpc Stats(StatsRequest) returns (StatsResponse) {}
// }
message HealthRequest {
}
message HealthResponse {
// default: ok
string status = 1;
}
message StatsRequest {
}
message StatsResponse {
// unix timestamp
uint64 started = 1;
// in seconds
uint64 uptime = 2;
// in bytes
uint64 memory = 3;
// num threads
uint64 threads = 4;
// total gc in nanoseconds
uint64 gc = 5;
}