/
api.go
134 lines (124 loc) · 3.47 KB
/
api.go
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package api
import (
"context"
"github.com/go-kratos/kratos/v2/log"
"github.com/go-kratos/kratos/v2/middleware/recovery"
"github.com/go-kratos/kratos/v2/middleware/tracing"
"github.com/go-kratos/kratos/v2/registry"
"github.com/go-kratos/kratos/v2/transport/grpc"
"github.com/go-kratos/kratos/v2/transport/http"
"github.com/go-saas/kit/pkg/conf"
kregistry "github.com/go-saas/kit/pkg/registry"
"github.com/google/wire"
grpcx "google.golang.org/grpc"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/durationpb"
"time"
)
type ClientName string
var (
defaultClientCfg = &conf.Client{Timeout: durationpb.New(5 * time.Second)}
)
// NewGrpcConn create new grpc client from name
func NewGrpcConn(
clientName ClientName,
serviceName string,
services *conf.Services,
dis registry.Discovery,
opt *Option,
tokenMgr TokenManager,
logger log.Logger,
opts ...grpc.ClientOption,
) (grpcx.ClientConnInterface, func()) {
var clientCfg = proto.Clone(defaultClientCfg).(*conf.Client)
if c, ok := services.Clients[string(clientName)]; ok {
proto.Merge(clientCfg, c)
}
if len(clientCfg.ClientId) == 0 {
clientCfg.ClientId = string(clientName)
}
var conn *grpcx.ClientConn
var err error
var name = serviceName
serviceCfg := services.GetServiceMergedDefault(serviceName)
if serviceCfg != nil && len(serviceCfg.Redirect) > 0 {
name = serviceCfg.Redirect
}
fOpts := []grpc.ClientOption{
grpc.WithEndpoint("discovery:///" + name),
grpc.WithDiscovery(dis),
grpc.WithMiddleware(
recovery.Recovery(),
tracing.Client(),
ClientPropagation(clientCfg, opt, tokenMgr, logger),
),
// for tracing remote ip recording
grpc.WithOptions(grpcx.WithStatsHandler(&tracing.ClientHandler{})),
}
if clientCfg.Timeout != nil {
fOpts = append(fOpts, grpc.WithTimeout(clientCfg.Timeout.AsDuration()))
}
if opt.Insecure {
fOpts = append(fOpts, opts...)
conn, err = grpc.DialInsecure(context.Background(), fOpts...)
} else {
fOpts = append(fOpts, opts...)
conn, err = grpc.Dial(context.Background(), fOpts...)
}
if err != nil {
panic(err)
}
return conn, func() {
conn.Close()
}
}
// NewHttpClient create new http client from name
func NewHttpClient(
clientName ClientName,
serviceName string,
services *conf.Services,
dis registry.Discovery,
opt *Option,
tokenMgr TokenManager,
logger log.Logger,
opts ...http.ClientOption,
) (*http.Client, func()) {
var clientCfg = proto.Clone(defaultClientCfg).(*conf.Client)
if c, ok := services.Clients[string(clientName)]; ok {
proto.Merge(clientCfg, c)
}
if len(clientCfg.ClientId) == 0 {
clientCfg.ClientId = string(clientName)
}
fOpts := []http.ClientOption{
http.WithEndpoint("discovery:///" + serviceName),
http.WithDiscovery(dis),
http.WithMiddleware(
recovery.Recovery(),
tracing.Client(),
ClientPropagation(clientCfg, opt, tokenMgr, logger),
),
}
if clientCfg.Timeout != nil {
fOpts = append(fOpts, http.WithTimeout(clientCfg.Timeout.AsDuration()))
}
fOpts = append(fOpts, opts...)
fOpts = append(fOpts, http.WithBlock())
conn, err := http.NewClient(context.Background(), fOpts...)
if err != nil {
panic(err)
}
return conn, func() {
conn.Close()
}
}
func NewDiscovery(services *conf.Services) (registry.Discovery, error) {
_, r, err := kregistry.NewRegister(services.Registry)
return r, err
}
var DefaultProviderSet = wire.NewSet(
NewDefaultOption,
NewInMemoryTokenManager, wire.Bind(new(TokenManager), new(*InMemoryTokenManager)),
NewClientTrustedContextValidator,
NewDiscovery,
)