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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2023-02-26 14:51:34 +03:00
parent 9f4dbbf296
commit c908274c8b
12 changed files with 396 additions and 4 deletions
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1
go.mod
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@ -3,6 +3,7 @@ module go.unistack.org/micro-server-http/v3
go 1.16
require (
go.unistack.org/micro-proto/v3 v3.3.1
go.unistack.org/micro/v3 v3.10.12
golang.org/x/net v0.7.0
gopkg.in/yaml.v3 v3.0.1 // indirect

4
go.sum
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@ -75,8 +75,6 @@ github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5t
go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
go.unistack.org/micro-proto/v3 v3.3.1 h1:nQ0MtWvP2G3QrpOgawVOPhpZZYkq6umTGDqs8FxJYIo=
go.unistack.org/micro-proto/v3 v3.3.1/go.mod h1:cwRyv8uInM2I7EbU7O8Fx2Ls3N90Uw9UCCcq4olOdfE=
go.unistack.org/micro/v3 v3.10.11 h1:IPUEVQ5oGZ6Ft2/2zQAOIkp+Ztt6GIHxwMoG4l+eJGQ=
go.unistack.org/micro/v3 v3.10.11/go.mod h1:gI4RkJKHLPW7KV6h4+ZBOZD997MRvFRXMPQIHpozikI=
go.unistack.org/micro/v3 v3.10.12 h1:M/aRNkj3FFWFivsHnm1XT4qjc9xiGxSl15BStW1SgQ4=
go.unistack.org/micro/v3 v3.10.12/go.mod h1:gI4RkJKHLPW7KV6h4+ZBOZD997MRvFRXMPQIHpozikI=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@ -98,8 +96,6 @@ golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81R
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e h1:TsQ7F31D3bUCLeqPT0u+yjp1guoArKaNKmCr22PYgTQ=
golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g=
golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=

8
handler/health/generate.go Normal file
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@ -0,0 +1,8 @@
package health
//go:generate sh -c "protoc -I./ -I$(go list -f '{{ .Dir }}' -m go.unistack.org/micro-proto/v3) --go-micro_out='components=micro|http|server',standalone=false,debug=true,paths=source_relative:./ health.proto"
import (
// import required packages
_ "go.unistack.org/micro-proto/v3/openapiv3"
)

82
handler/health/health.go Normal file
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@ -0,0 +1,82 @@
package health // import "go.unistack.org/micro-server-http/v3/handler/health"
import (
"context"
codecpb "go.unistack.org/micro-proto/v3/codec"
"go.unistack.org/micro/v3/errors"
)
var _ HealthServiceServer = &Handler{}
type Handler struct {
opts Options
}
type CheckFunc func(context.Context) error
type Option func(*Options)
type Options struct {
Version string
Name string
LiveChecks []CheckFunc
ReadyChecks []CheckFunc
}
func LiveChecks(fns ...CheckFunc) Option {
return func(o *Options) {
o.LiveChecks = append(o.LiveChecks, fns...)
}
}
func ReadyChecks(fns ...CheckFunc) Option {
return func(o *Options) {
o.ReadyChecks = append(o.ReadyChecks, fns...)
}
}
func Name(name string) Option {
return func(o *Options) {
o.Name = name
}
}
func Version(version string) Option {
return func(o *Options) {
o.Version = version
}
}
func NewHandler(opts ...Option) *Handler {
options := Options{}
for _, o := range opts {
o(&options)
}
return &Handler{opts: options}
}
func (h *Handler) Live(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
var err error
for _, fn := range h.opts.LiveChecks {
if err = fn(ctx); err != nil {
return errors.ServiceUnavailable(h.opts.Name, "%v", err)
}
}
return nil
}
func (h *Handler) Ready(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
var err error
for _, fn := range h.opts.ReadyChecks {
if err = fn(ctx); err != nil {
return errors.ServiceUnavailable(h.opts.Name, "%v", err)
}
}
return nil
}
func (h *Handler) Version(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
rsp.Data = []byte(h.opts.Version)
return nil
}

50
handler/health/health.proto Normal file
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@ -0,0 +1,50 @@
syntax = "proto3";
package micro.server.http.v3.handler.health;
option go_package = "go.unistack.org/micro-server-http/v3/handler/health;health";
import "api/annotations.proto";
import "openapiv3/annotations.proto";
import "codec/frame.proto";
service HealthService {
rpc Live(micro.codec.Frame) returns (micro.codec.Frame) {
option (micro.openapiv3.openapiv3_operation) = {
operation_id: "Live";
responses: {
default: {
reference: {
_ref: "micro.codec.Frame";
};
};
};
};
option (micro.api.http) = { get: "/live"; };
};
rpc Ready(micro.codec.Frame) returns (micro.codec.Frame) {
option (micro.openapiv3.openapiv3_operation) = {
operation_id: "Ready";
responses: {
default: {
reference: {
_ref: "micro.codec.Frame";
};
};
};
};
option (micro.api.http) = { get: "/ready"; };
};
rpc Version(micro.codec.Frame) returns (micro.codec.Frame) {
option (micro.openapiv3.openapiv3_operation) = {
operation_id: "Version";
responses: {
default: {
reference: {
_ref: "micro.codec.Frame";
};
};
};
};
option (micro.api.http) = { get: "/version"; };
};
};

48
handler/health/health_micro.pb.go Normal file
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@ -0,0 +1,48 @@
// Code generated by protoc-gen-go-micro. DO NOT EDIT.
// versions:
// - protoc-gen-go-micro v3.10.2
// - protoc v3.21.12
// source: health.proto
package health
import (
context "context"
codec "go.unistack.org/micro-proto/v3/codec"
v3 "go.unistack.org/micro-server-http/v3"
)
var (
HealthServiceName = "HealthService"
)
var (
HealthServiceServerEndpoints = []v3.EndpointMetadata{
{
Name: "HealthService.Live",
Path: "/live",
Method: "GET",
Body: "",
Stream: false,
},
{
Name: "HealthService.Ready",
Path: "/ready",
Method: "GET",
Body: "",
Stream: false,
},
{
Name: "HealthService.Version",
Path: "/version",
Method: "GET",
Body: "",
Stream: false,
},
}
)
type HealthServiceServer interface {
Live(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
Ready(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
Version(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
}

43
handler/health/health_micro_http.pb.go Normal file
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@ -0,0 +1,43 @@
// Code generated by protoc-gen-go-micro. DO NOT EDIT.
// protoc-gen-go-micro version: v3.10.2
// source: health.proto
package health
import (
context "context"
codec "go.unistack.org/micro-proto/v3/codec"
v3 "go.unistack.org/micro-server-http/v3"
server "go.unistack.org/micro/v3/server"
)
type healthServiceServer struct {
HealthServiceServer
}
func (h *healthServiceServer) Live(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error {
return h.HealthServiceServer.Live(ctx, req, rsp)
}
func (h *healthServiceServer) Ready(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error {
return h.HealthServiceServer.Ready(ctx, req, rsp)
}
func (h *healthServiceServer) Version(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error {
return h.HealthServiceServer.Version(ctx, req, rsp)
}
func RegisterHealthServiceServer(s server.Server, sh HealthServiceServer, opts ...server.HandlerOption) error {
type healthService interface {
Live(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
Ready(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
Version(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
}
type HealthService struct {
healthService
}
h := &healthServiceServer{sh}
var nopts []server.HandlerOption
nopts = append(nopts, v3.HandlerEndpoints(HealthServiceServerEndpoints))
return s.Handle(s.NewHandler(&HealthService{h}, append(nopts, opts...)...))
}

8
handler/meter/generate.go Normal file
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@ -0,0 +1,8 @@
package meter
//go:generate sh -c "protoc -I./ -I$(go list -f '{{ .Dir }}' -m go.unistack.org/micro-proto/v3) --go-micro_out='components=micro|http|server',standalone=false,debug=true,paths=source_relative:./ meter.proto"
import (
// import required packages
_ "go.unistack.org/micro-proto/v3/openapiv3"
)

67
handler/meter/meter.go Normal file
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@ -0,0 +1,67 @@
package meter // import "go.unistack.org/micro-server-http/v3/handler/meter"
import (
"bytes"
"context"
codecpb "go.unistack.org/micro-proto/v3/codec"
"go.unistack.org/micro/v3/errors"
"go.unistack.org/micro/v3/meter"
)
// guard to fail early
var _ MeterServiceServer = &Handler{}
type Handler struct {
opts Options
}
type Option func(*Options)
type Options struct {
Meter meter.Meter
Name string
MeterOptions []meter.Option
}
func Meter(m meter.Meter) Option {
return func(o *Options) {
o.Meter = m
}
}
func Name(name string) Option {
return func(o *Options) {
o.Name = name
}
}
func MeterOptions(opts ...meter.Option) Option {
return func(o *Options) {
o.MeterOptions = append(o.MeterOptions, opts...)
}
}
func NewOptions(opts ...Option) Options {
options := Options{Meter: meter.DefaultMeter}
for _, o := range opts {
o(&options)
}
return options
}
func NewHandler(opts ...Option) *Handler {
options := NewOptions(opts...)
return &Handler{opts: options}
}
func (h *Handler) Metrics(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
buf := bytes.NewBuffer(nil)
if err := h.opts.Meter.Write(buf, h.opts.MeterOptions...); err != nil {
return errors.InternalServerError(h.opts.Name, "%v", err)
}
rsp.Data = buf.Bytes()
return nil
}

24
handler/meter/meter.proto Normal file
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@ -0,0 +1,24 @@
syntax = "proto3";
package micro.server.http.v3.handler.meter;
option go_package = "go.unistack.org/micro-server-http/v3/handler/meter;meter";
import "api/annotations.proto";
import "openapiv3/annotations.proto";
import "codec/frame.proto";
service MeterService {
rpc Metrics(micro.codec.Frame) returns (micro.codec.Frame) {
option (micro.openapiv3.openapiv3_operation) = {
operation_id: "Metrics";
responses: {
default: {
reference: {
_ref: "micro.codec.Frame";
};
};
};
};
option (micro.api.http) = { get: "/metrics"; };
};
};

32
handler/meter/meter_micro.pb.go Normal file
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@ -0,0 +1,32 @@
// Code generated by protoc-gen-go-micro. DO NOT EDIT.
// versions:
// - protoc-gen-go-micro v3.10.2
// - protoc v3.21.12
// source: meter.proto
package meter
import (
context "context"
codec "go.unistack.org/micro-proto/v3/codec"
v3 "go.unistack.org/micro-server-http/v3"
)
var (
MeterServiceName = "MeterService"
)
var (
MeterServiceServerEndpoints = []v3.EndpointMetadata{
{
Name: "MeterService.Metrics",
Path: "/metrics",
Method: "GET",
Body: "",
Stream: false,
},
}
)
type MeterServiceServer interface {
Metrics(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
}

33
handler/meter/meter_micro_http.pb.go Normal file
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@ -0,0 +1,33 @@
// Code generated by protoc-gen-go-micro. DO NOT EDIT.
// protoc-gen-go-micro version: v3.10.2
// source: meter.proto
package meter
import (
context "context"
codec "go.unistack.org/micro-proto/v3/codec"
v3 "go.unistack.org/micro-server-http/v3"
server "go.unistack.org/micro/v3/server"
)
type meterServiceServer struct {
MeterServiceServer
}
func (h *meterServiceServer) Metrics(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error {
return h.MeterServiceServer.Metrics(ctx, req, rsp)
}
func RegisterMeterServiceServer(s server.Server, sh MeterServiceServer, opts ...server.HandlerOption) error {
type meterService interface {
Metrics(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
}
type MeterService struct {
meterService
}
h := &meterServiceServer{sh}
var nopts []server.HandlerOption
nopts = append(nopts, v3.HandlerEndpoints(MeterServiceServerEndpoints))
return s.Handle(s.NewHandler(&MeterService{h}, append(nopts, opts...)...))
}