Files
httprunner/hrp/pkg/boomer/client_grpc.go
2022-10-11 11:17:58 +08:00

337 lines
8.5 KiB
Go

package boomer
import (
"context"
"fmt"
"runtime"
"sync"
"sync/atomic"
"time"
"github.com/pkg/errors"
"github.com/rs/zerolog/log"
"golang.org/x/oauth2"
"google.golang.org/grpc"
"google.golang.org/grpc/backoff"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/oauth"
"google.golang.org/grpc/metadata"
"github.com/httprunner/httprunner/v4/hrp/pkg/boomer/data"
"github.com/httprunner/httprunner/v4/hrp/pkg/boomer/grpc/messager"
)
type grpcClient struct {
messager.MessageClient
masterHost string
masterPort int
identity string // nodeID
config *grpcClientConfig
fromMaster chan *genericMessage
toMaster chan *genericMessage
disconnectedChan chan bool
shutdownChan chan bool
failCount int32
}
type grpcClientConfig struct {
// ctx is used for the lifetime of the stream that may need to be canceled
// on client shutdown.
ctx context.Context
ctxCancel context.CancelFunc
conn *grpc.ClientConn
biStream messager.Message_BidirectionalStreamingMessageClient
mutex sync.RWMutex
}
const token = "httprunner-secret-token"
// unaryInterceptor is an example unary interceptor.
func unaryInterceptor(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
var credsConfigured bool
for _, o := range opts {
_, ok := o.(grpc.PerRPCCredsCallOption)
if ok {
credsConfigured = true
break
}
}
if !credsConfigured {
opts = append(opts, grpc.PerRPCCredentials(oauth.NewOauthAccess(&oauth2.Token{
AccessToken: token,
})))
}
start := time.Now()
err := invoker(ctx, method, req, reply, cc, opts...)
end := time.Now()
logger("RPC: %s, start time: %s, end time: %s, err: %v", method, start.Format("Basic"), end.Format(time.RFC3339), err)
return err
}
// wrappedStream wraps around the embedded grpc.ClientStream, and intercepts the RecvMsg and
// SendMsg method call.
type wrappedStream struct {
grpc.ClientStream
}
func (w *wrappedStream) RecvMsg(m interface{}) error {
logger("Receive a message (Type: %T) at %v", m, time.Now().Format(time.RFC3339))
return w.ClientStream.RecvMsg(m)
}
func (w *wrappedStream) SendMsg(m interface{}) error {
logger("Send a message (Type: %T) at %v", m, time.Now().Format(time.RFC3339))
return w.ClientStream.SendMsg(m)
}
func newWrappedStream(s grpc.ClientStream) grpc.ClientStream {
return &wrappedStream{s}
}
func extractToken(ctx context.Context) (tkn string, ok bool) {
md, ok := metadata.FromIncomingContext(ctx)
if !ok || len(md[token]) == 0 {
return "", false
}
return md[token][0], true
}
// streamInterceptor is an example stream interceptor.
func streamInterceptor(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {
var credsConfigured bool
for _, o := range opts {
_, ok := o.(*grpc.PerRPCCredsCallOption)
if ok {
credsConfigured = true
break
}
}
if !credsConfigured {
opts = append(opts, grpc.PerRPCCredentials(oauth.NewOauthAccess(&oauth2.Token{
AccessToken: token,
})))
}
s, err := streamer(ctx, desc, cc, method, opts...)
if err != nil {
return nil, err
}
return newWrappedStream(s), nil
}
func (c *grpcClientConfig) getBiStreamClient() messager.Message_BidirectionalStreamingMessageClient {
c.mutex.RLock()
defer c.mutex.RUnlock()
return c.biStream
}
func (c *grpcClientConfig) setBiStreamClient(s messager.Message_BidirectionalStreamingMessageClient) {
c.mutex.Lock()
defer c.mutex.Unlock()
c.biStream = s
}
func newClient(masterHost string, masterPort int, identity string) (client *grpcClient) {
log.Info().Msg("Boomer is built with grpc support.")
// Initiate the stream with a context that supports cancellation.
ctx, cancel := context.WithCancel(context.Background())
client = &grpcClient{
masterHost: masterHost,
masterPort: masterPort,
identity: identity,
fromMaster: make(chan *genericMessage, 100),
toMaster: make(chan *genericMessage, 100),
disconnectedChan: make(chan bool),
shutdownChan: make(chan bool),
config: &grpcClientConfig{
ctx: ctx,
ctxCancel: cancel,
mutex: sync.RWMutex{},
},
}
return client
}
func (c *grpcClient) start() (err error) {
addr := fmt.Sprintf("%v:%v", c.masterHost, c.masterPort)
// Create tls based credential.
creds, err := credentials.NewClientTLSFromFile(data.Path("x509/ca_cert.pem"), "www.httprunner.com")
if err != nil {
log.Fatal().Msg(fmt.Sprintf("failed to load credentials: %v", err))
}
opts := []grpc.DialOption{
// oauth.NewOauthAccess requires the configuration of transport
// credentials.
grpc.WithTransportCredentials(creds),
grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(32 * 10e9)),
grpc.WithUnaryInterceptor(unaryInterceptor),
grpc.WithStreamInterceptor(streamInterceptor),
grpc.WithConnectParams(grpc.ConnectParams{
Backoff: backoff.Config{
BaseDelay: 1 * time.Second,
Multiplier: 1.2,
MaxDelay: 3 * time.Second,
},
MinConnectTimeout: 3 * time.Second,
}),
}
c.config.conn, err = grpc.Dial(addr, opts...)
if err != nil {
log.Error().Err(err).Msg("failed to connect")
return err
}
c.MessageClient = messager.NewMessageClient(c.config.conn)
return nil
}
func (c *grpcClient) register(ctx context.Context) error {
ctx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
res, err := c.Register(ctx, &messager.RegisterRequest{NodeID: c.identity, Os: runtime.GOOS, Arch: runtime.GOARCH})
if err != nil {
return err
}
if res.Code != "0" {
return errors.New(res.Message)
}
return nil
}
func (c *grpcClient) signOut(ctx context.Context) error {
ctx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
res, err := c.SignOut(ctx, &messager.SignOutRequest{NodeID: c.identity})
if err != nil {
return err
}
if res.Code != "0" {
return errors.New(res.Message)
}
return nil
}
func (c *grpcClient) newBiStreamClient() (err error) {
md := metadata.New(map[string]string{token: c.identity})
ctx := metadata.NewOutgoingContext(c.config.ctx, md)
biStream, err := c.BidirectionalStreamingMessage(ctx)
if err != nil {
return err
}
// reset failCount
atomic.StoreInt32(&c.failCount, 0)
// set bidirectional stream client
c.config.setBiStreamClient(biStream)
println("successful to establish bidirectional stream with master, press Ctrl+c to quit.")
return nil
}
func (c *grpcClient) recvChannel() chan *genericMessage {
return c.fromMaster
}
func (c *grpcClient) recv() {
for {
select {
case <-c.shutdownChan:
return
default:
if c.config.getBiStreamClient() == nil {
time.Sleep(1 * time.Second)
continue
}
msg, err := c.config.getBiStreamClient().Recv()
if err != nil {
time.Sleep(1 * time.Second)
// log.Error().Err(err).Msg("failed to get message")
continue
}
if msg == nil {
continue
}
if msg.NodeID != c.identity {
log.Info().
Str("nodeID", msg.NodeID).
Str("type", msg.Type).
Interface("data", msg.Data).
Msg(fmt.Sprintf("not for me(%s)", c.identity))
continue
}
c.fromMaster <- &genericMessage{
Type: msg.Type,
Profile: msg.Profile,
Data: msg.Data,
NodeID: msg.NodeID,
Tasks: msg.Tasks,
}
log.Info().
Str("nodeID", msg.NodeID).
Str("type", msg.Type).
Interface("data", msg.Data).
Interface("tasks", msg.Tasks).
Msg("receive data from master")
}
}
}
func (c *grpcClient) sendChannel() chan *genericMessage {
return c.toMaster
}
func (c *grpcClient) send() {
for {
select {
case <-c.shutdownChan:
return
case msg := <-c.toMaster:
c.sendMessage(msg)
// We may send genericMessage to master.
switch msg.Type {
case "quit":
c.disconnectedChan <- true
}
}
}
}
func (c *grpcClient) sendMessage(msg *genericMessage) {
log.Info().
Str("nodeID", msg.NodeID).
Str("type", msg.Type).
Interface("data", msg.Data).
Msg("send data to server")
if c.config.getBiStreamClient() == nil {
atomic.AddInt32(&c.failCount, 1)
return
}
err := c.config.getBiStreamClient().Send(&messager.StreamRequest{Type: msg.Type, Data: msg.Data, NodeID: msg.NodeID})
if err == nil {
atomic.StoreInt32(&c.failCount, 0)
return
}
// log.Error().Err(err).Interface("genericMessage", *msg).Msg("failed to send message")
if msg.Type == "heartbeat" {
atomic.AddInt32(&c.failCount, 1)
}
}
func (c *grpcClient) disconnectedChannel() chan bool {
return c.disconnectedChan
}
func (c *grpcClient) close() {
close(c.shutdownChan)
c.config.ctxCancel()
if c.config.conn != nil {
c.config.conn.Close()
}
}