x

app.go

@@ -0,0 +1,105 @@
+package protoc_gen_kit
+
+import (
+	"context"
+	"git.diulo.com/mogfee/protoc-gen-kit/log"
+	"github.com/google/uuid"
+	"golang.org/x/sync/errgroup"
+	"os"
+	"sync"
+	"syscall"
+	"time"
+)
+
+type AppInfo interface {
+	ID() string
+	Name() string
+	Version() string
+	Metadata() map[string]string
+	Endpoint() []string
+}
+type App struct {
+	opts     options
+	ctx      context.Context
+	cancel   func()
+	mu       sync.Mutex
+	instance *registry.ServiceInstance
+}
+
+func New(opts ...Option) *App {
+	o := options{
+		ctx:              context.Background(),
+		sigs:             []os.Signal{syscall.SIGTERM, syscall.SIGQUIT, syscall.SIGINT},
+		registrarTimeout: 10 * time.Second,
+		stopTimeout:      10 * time.Second,
+	}
+	if id, err := uuid.NewUUID(); err == nil {
+		o.id = id.String()
+	}
+	for _, opt := range opts {
+		opt(&o)
+	}
+	if o.logger != nil {
+		log.SetLogger(o.logger)
+	}
+	ctx, cancel := context.WithCancel(o.ctx)
+	return &App{
+		opts:   o,
+		ctx:    ctx,
+		cancel: cancel,
+	}
+}
+
+// ID returns app instance id.
+func (a *App) ID() string { return a.opts.id }
+
+// Name returns service name.
+func (a *App) Name() string { return a.opts.name }
+
+// Version returns app version.
+func (a *App) Version() string { return a.opts.version }
+
+// Metadata returns service metadata.
+func (a *App) Metadata() map[string]string { return a.opts.metadata }
+
+// Endpoint returns endpoints.
+func (a *App) Endpoint() []string {
+	if a.instance != nil {
+		return a.instance.Endpoints
+	}
+	return nil
+}
+func (a *App) Run() error {
+	instance, err := a.buildInstance()
+	if err != nil {
+		return err
+	}
+	a.mu.Lock()
+	a.instance = instance
+	a.mu.Unlock()
+
+	sctx := NewContext(a.ctx, a)
+	eg, ctx := errgroup.WithContext(sctx)
+	wg := sync.WaitGroup{}
+	for _, fn := range a.opts.beforeStart {
+		if err = fn(sctx); err != nil {
+			return err
+		}
+	}
+	for _, srv := range a.opts.servers {
+		srv := srv
+		eg.Go(func() error {
+			<-ctx.Done()
+			stopCtx, cancel := context.WithTimeout(NewContext(a.opts.ctx, a))
+			defer cancel()
+			return srv.Stop(stopCtx)
+		})
+		wg.Add(1)
+		eg.Go(func() error {
+			wg.Done()
+			return srv.Start(sctx)
+		})
+	}
+	wg.Wait()
+
+}

go.mod

@@ -3,26 +3,17 @@ module git.diulo.com/mogfee/protoc-gen-kit
 go 1.20
 
 require (
-	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/envoyproxy/protoc-gen-validate v0.9.1
 	github.com/gin-gonic/gin v1.9.0
 	github.com/go-playground/form v3.1.4+incompatible
-	github.com/go-redis/redis v6.15.9+incompatible
-	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
 	github.com/golang/protobuf v1.5.2
-	github.com/gorilla/mux v1.8.0
 	github.com/nsqio/go-nsq v1.1.0
-	github.com/pkg/errors v0.9.1
-	github.com/robfig/cron v1.2.0
-	github.com/sirupsen/logrus v1.9.0
-	golang.org/x/image v0.5.0
 	google.golang.org/genproto v0.0.0-20230301171018-9ab4bdc49ad5
 	google.golang.org/grpc v1.53.0
 	google.golang.org/protobuf v1.28.1
 )
 
 require (
-	git.diulo.com/mogfee/go-common v0.0.0-20230303052654-06d7df6bfba3 // indirect
 	github.com/bytedance/sonic v1.8.3 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
@@ -31,20 +22,20 @@ require (
 	github.com/go-playground/validator/v10 v10.11.2 // indirect
 	github.com/goccy/go-json v0.10.0 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
+	github.com/google/uuid v1.3.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
 	github.com/leodido/go-urn v1.2.2 // indirect
 	github.com/mattn/go-isatty v0.0.17 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/onsi/ginkgo v1.16.5 // indirect
-	github.com/onsi/gomega v1.27.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.7 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.10 // indirect
 	golang.org/x/arch v0.2.0 // indirect
 	golang.org/x/crypto v0.6.0 // indirect
 	golang.org/x/net v0.7.0 // indirect
+	golang.org/x/sync v0.1.0 // indirect
 	golang.org/x/sys v0.5.0 // indirect
 	golang.org/x/text v0.7.0 // indirect
 	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect

go.sum

@@ -1,5 +1,3 @@
-git.diulo.com/mogfee/go-common v0.0.0-20230303052654-06d7df6bfba3 h1:ZItibdvUseuUkxCxy1hwn0qoOUGkICSwWyd0FoL4CTs=
-git.diulo.com/mogfee/go-common v0.0.0-20230303052654-06d7df6bfba3/go.mod h1:BIjzTu3M817MtQqclalia82/Gg5gP9omcDUY3XU13kQ=
 github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
 github.com/bytedance/sonic v1.8.3 h1:pf6fGl5eqWYKkx1RcD4qpuX+BIUaduv/wTm5ekWJ80M=
 github.com/bytedance/sonic v1.8.3/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
@@ -9,13 +7,8 @@ github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583j
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/envoyproxy/protoc-gen-validate v0.9.1 h1:PS7VIOgmSVhWUEeZwTe7z7zouA22Cr590PzXKbZHOVY=
 github.com/envoyproxy/protoc-gen-validate v0.9.1/go.mod h1:OKNgG7TCp5pF4d6XftA0++PMirau2/yoOwVac3AbF2w=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.9.0 h1:OjyFBKICoexlu99ctXNR2gg+c5pKrKMuyjgARg9qeY8=
@@ -29,35 +22,19 @@ github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJn
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
 github.com/go-playground/validator/v10 v10.11.2 h1:q3SHpufmypg+erIExEKUmsgmhDTyhcJ38oeKGACXohU=
 github.com/go-playground/validator/v10 v10.11.2/go.mod h1:NieE624vt4SCTJtD87arVLvdmjPAeV8BQlHtMnw9D7s=
-github.com/go-redis/redis v6.15.9+incompatible h1:K0pv1D7EQUjfyoMql+r/jZqCLizCGKFlFgcHWWmHQjg=
-github.com/go-redis/redis v6.15.9+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA=
-github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/goccy/go-json v0.10.0 h1:mXKd9Qw4NuzShiRlOXKews24ufknHO7gx30lsDyokKA=
 github.com/goccy/go-json v0.10.0/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
-github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
-github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
-github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
-github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
-github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
-github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
-github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
 github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
-github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
 github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
@@ -76,34 +53,16 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/nsqio/go-nsq v1.1.0 h1:PQg+xxiUjA7V+TLdXw7nVrJ5Jbl3sN86EhGCQj4+FYE=
 github.com/nsqio/go-nsq v1.1.0/go.mod h1:vKq36oyeVXgsS5Q8YEO7WghqidAVXQlcFxzQbQTuDEY=
-github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
-github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
-github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
-github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
-github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
-github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE=
-github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
-github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
-github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
-github.com/onsi/gomega v1.27.2 h1:SKU0CXeKE/WVgIV1T61kSa3+IRE8Ekrv9rdXDwwTqnY=
-github.com/onsi/gomega v1.27.2/go.mod h1:5mR3phAHpkAVIDkHEUBY6HGVsU+cpcEscrGPB4oPlZI=
 github.com/pelletier/go-toml/v2 v2.0.7 h1:muncTPStnKRos5dpVKULv2FVd4bMOhNePj9CjgDb8Us=
 github.com/pelletier/go-toml/v2 v2.0.7/go.mod h1:eumQOmlWiOPt5WriQQqoM5y18pDHwha2N+QD+EUNTek=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/robfig/cron v1.2.0 h1:ZjScXvvxeQ63Dbyxy76Fj3AT3Ut0aKsyd2/tl3DTMuQ=
-github.com/robfig/cron v1.2.0/go.mod h1:JGuDeoQd7Z6yL4zQhZ3OPEVHB7fL6Ka6skscFHfmt2k=
 github.com/rogpeppe/go-internal v1.8.0 h1:FCbCCtXNOY3UtUuHUYaghJg4y7Fd14rXifAYUAtL9R8=
 github.com/rwtodd/Go.Sed v0.0.0-20210816025313-55464686f9ef/go.mod h1:8AEUvGVi2uQ5b24BIhcr0GCcpd/RNAFWaN2CJFrWIIQ=
-github.com/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
-github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
@@ -114,91 +73,34 @@ github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS
 github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
 github.com/ugorji/go/codec v1.2.10 h1:eimT6Lsr+2lzmSZxPhLFoOWFmQqwk0fllJJ5hEbTXtQ=
 github.com/ugorji/go/codec v1.2.10/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/arch v0.2.0 h1:W1sUEHXiJTfjaFJ5SLo0N6lZn+0eO5gWD1MFeTGqQEY=
 golang.org/x/arch v0.2.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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options.go

@@ -0,0 +1,122 @@
+package protoc_gen_kit
+
+import (
+	"context"
+	"git.diulo.com/mogfee/protoc-gen-kit/log"
+	"net/url"
+	"os"
+	"time"
+)
+
+type Option func(o *options)
+type options struct {
+	id        string
+	name      string
+	version   string
+	metadata  map[string]string
+	endpoints []*url.URL
+
+	ctx  context.Context
+	sigs []os.Signal
+
+	logger           log.Logger
+	registrar        registry.Registrar
+	registrarTimeout time.Duration
+	stopTimeout      time.Duration
+	servers          []transport.Server
+
+	beforeStart []func(context.Context) error
+	beforeStop  []func(context.Context) error
+	afterStart  []func(context.Context) error
+	afterStop   []func(context.Context) error
+}
+
+// ID with service id.
+func ID(id string) Option {
+	return func(o *options) { o.id = id }
+}
+
+// Name with service name.
+func Name(name string) Option {
+	return func(o *options) { o.name = name }
+}
+
+// Version with service version.
+func Version(version string) Option {
+	return func(o *options) { o.version = version }
+}
+
+// Metadata with service metadata.
+func Metadata(md map[string]string) Option {
+	return func(o *options) { o.metadata = md }
+}
+
+// Endpoint with service endpoint.
+func Endpoint(endpoints ...*url.URL) Option {
+	return func(o *options) { o.endpoints = endpoints }
+}
+
+// Context with service context.
+func Context(ctx context.Context) Option {
+	return func(o *options) { o.ctx = ctx }
+}
+
+// Logger with service logger.
+func Logger(logger log.Logger) Option {
+	return func(o *options) { o.logger = logger }
+}
+
+// Server with transport servers.
+func Server(srv ...transport.Server) Option {
+	return func(o *options) { o.servers = srv }
+}
+
+// Signal with exit signals.
+func Signal(sigs ...os.Signal) Option {
+	return func(o *options) { o.sigs = sigs }
+}
+
+// Registrar with service registry.
+func Registrar(r registry.Registrar) Option {
+	return func(o *options) { o.registrar = r }
+}
+
+// RegistrarTimeout with registrar timeout.
+func RegistrarTimeout(t time.Duration) Option {
+	return func(o *options) { o.registrarTimeout = t }
+}
+
+// StopTimeout with app stop timeout.
+func StopTimeout(t time.Duration) Option {
+	return func(o *options) { o.stopTimeout = t }
+}
+
+// Before and Afters
+
+// BeforeStart run funcs before app starts
+func BeforeStart(fn func(context.Context) error) Option {
+	return func(o *options) {
+		o.beforeStart = append(o.beforeStart, fn)
+	}
+}
+
+// BeforeStop run funcs before app stops
+func BeforeStop(fn func(context.Context) error) Option {
+	return func(o *options) {
+		o.beforeStop = append(o.beforeStop, fn)
+	}
+}
+
+// AfterStart run funcs after app starts
+func AfterStart(fn func(context.Context) error) Option {
+	return func(o *options) {
+		o.afterStart = append(o.afterStart, fn)
+	}
+}
+
+// AfterStop run funcs after app stops
+func AfterStop(fn func(context.Context) error) Option {
+	return func(o *options) {
+		o.afterStop = append(o.afterStop, fn)
+	}
+}