add ability to work with protoset

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

.gitignore

@@ -22,3 +22,5 @@
 go.work
 
 config.yaml
+servicechecker
+*.protoset

Makefile

@@ -1,2 +1,2 @@
 all:
-	go build -o servicechecker ./cmd/servicechecker/*.go
+	GOWORK=off go build -x -v -o servicechecker ./cmd/servicechecker/*.go

cmd/servicechecker/main.go

@@ -2,22 +2,113 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"os"
+	"time"
 
+	grpccli "go.unistack.org/micro-client-grpc/v3"
+	jsonpbcodec "go.unistack.org/micro-codec-jsonpb/v3"
+	protocodec "go.unistack.org/micro-codec-proto/v3"
+	victoriametrics "go.unistack.org/micro-meter-victoriametrics/v3"
+	"go.unistack.org/micro/v3/client"
 	"go.unistack.org/micro/v3/logger/slog"
+	"go.unistack.org/micro/v3/semconv"
 	"go.unistack.org/servicechecker/pkg/config"
+	"go.unistack.org/servicechecker/pkg/grpcconn"
+	"google.golang.org/protobuf/reflect/protodesc"
+	"google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/types/descriptorpb"
+	"google.golang.org/protobuf/types/dynamicpb"
 )
 
 func main() {
 	ctx := context.Background()
-	log := slog.NewLogger()
+	l := slog.NewLogger()
+	l.Init()
+	m := victoriametrics.NewMeter()
 	f, err := os.Open("config.yaml")
 	if err != nil {
-		log.Fatal(ctx, "failed to open config", err)
+		l.Fatal(ctx, "failed to open config", err)
 	}
 	defer f.Close()
 	cfg := &config.Config{}
 	if err = cfg.Parse(f); err != nil {
-		log.Fatal(ctx, "failed to open config", err)
+		l.Fatal(ctx, "failed to open config", err)
+	}
+
+	clients := make(map[string]client.Client)
+	gcli := grpccli.NewClient(
+		client.Codec("application/json", jsonpbcodec.NewCodec()),
+		client.Codec("application/grpc", protocodec.NewCodec()),
+		client.Codec("application/grpc+proto", protocodec.NewCodec()),
+		client.Codec("application/grpc+json", jsonpbcodec.NewCodec()),
+		client.ContentType("application/grpc"),
+		client.Retries(0),
+	//	client.TLSConfig(&tls.Config{InsecureSkipVerify: true}),
+	)
+	protosetBuf, _ := os.ReadFile("card.protoset")
+	fdset := &descriptorpb.FileDescriptorSet{}
+	if err = protocodec.NewCodec().Unmarshal(protosetBuf, fdset); err != nil {
+		l.Fatal(ctx, "failed to unmarshal protoset file", err)
+	}
+
+	pfileoptions := protodesc.FileOptions{AllowUnresolvable: true}
+	pfiles, err := pfileoptions.NewFiles(fdset)
+	if err != nil {
+		l.Fatal(ctx, "failed to use protoset file", err)
+	}
+
+	gcli.Init()
+	clients["grpc"] = gcli
+
+	for _, svc := range cfg.Services {
+		c, ok := clients[svc.Type]
+		if !ok {
+			l.Error(ctx, fmt.Sprintf("unknown client %s", svc.Type))
+			continue
+		}
+		pdesc, err := pfiles.FindDescriptorByName("card_proto.CardService")
+		if err != nil {
+			l.Error(ctx, "failed to find service "+svc.Name)
+			continue
+		}
+
+		sdesc, ok := pdesc.(protoreflect.ServiceDescriptor)
+		if !ok {
+			l.Error(ctx, "failed to find service "+svc.Name)
+			continue
+		}
+
+		for _, check := range svc.Checks {
+			mdesc := sdesc.Methods().ByName(protoreflect.Name(check.Name))
+			if mdesc == nil {
+				l.Error(ctx, "failed to find method "+check.Name)
+				continue
+			}
+
+			req := dynamicpb.NewMessageType(mdesc.Input()).New()
+			rsp := dynamicpb.NewMessageType(mdesc.Output()).New()
+
+			if err = jsonpbcodec.NewCodec().Unmarshal([]byte(check.Data), req); err != nil {
+				l.Error(ctx, "failed to unmarshal", err)
+				continue
+			}
+			labels := []string{"service", svc.Name, "endpoint", check.Name}
+			m.Counter(semconv.ClientRequestInflight, labels...).Inc()
+			ts := time.Now()
+			err = grpcconn.Call(ctx, l, c, svc.Addr, time.Duration(check.Timeout),
+				c.NewRequest("card_proto", "CardService."+check.Name, req),
+				rsp)
+			te := time.Since(ts)
+			m.Summary(semconv.ClientRequestLatencyMicroseconds, labels...).Update(te.Seconds())
+			m.Histogram(semconv.ClientRequestDurationSeconds, labels...).Update(te.Seconds())
+			m.Counter(semconv.ClientRequestInflight, labels...).Dec()
+			if err != nil {
+				m.Counter(semconv.ClientRequestTotal, append(labels, "status", "failure")...).Inc()
+			} else {
+				m.Counter(semconv.ClientRequestTotal, append(labels, "status", "success")...).Inc()
 			}
 		}
+	}
+	m.Write(os.Stdout)
+}

go.mod

@@ -2,4 +2,27 @@ module go.unistack.org/servicechecker
 
 go 1.23.3
 
-require go.unistack.org/micro/v3 v3.10.100
+require (
+	github.com/google/uuid v1.6.0
+	github.com/jhump/protoreflect/v2 v2.0.0-beta.2
+	go.unistack.org/micro-client-grpc/v3 v3.11.10
+	go.unistack.org/micro-codec-jsonpb/v3 v3.10.3
+	go.unistack.org/micro-codec-proto/v3 v3.10.2
+	go.unistack.org/micro-meter-victoriametrics/v3 v3.8.9
+	go.unistack.org/micro-proto/v3 v3.4.1
+	go.unistack.org/micro/v3 v3.10.100
+	google.golang.org/protobuf v1.34.2
+	gopkg.in/yaml.v3 v3.0.1
+)
+
+require (
+	github.com/kr/text v0.2.0 // indirect
+	github.com/valyala/fastrand v1.1.0 // indirect
+	github.com/valyala/histogram v1.2.0 // indirect
+	go.unistack.org/metrics v0.0.1 // indirect
+	golang.org/x/net v0.29.0 // indirect
+	golang.org/x/sys v0.27.0 // indirect
+	golang.org/x/text v0.18.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
+	google.golang.org/grpc v1.67.0 // indirect
+)

go.sum

@@ -1,4 +1,54 @@
-github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+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/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/jhump/protoreflect/v2 v2.0.0-beta.2 h1:qZU+rEZUOYTz1Bnhi3xbwn+VxdXkLVeEpAeZzVXLY88=
+github.com/jhump/protoreflect/v2 v2.0.0-beta.2/go.mod h1:4tnOYkB/mq7QTyS3YKtVtNrJv4Psqout8HA1U+hZtgM=
+github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
+github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+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/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
+github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/valyala/fastrand v1.1.0 h1:f+5HkLW4rsgzdNoleUOB69hyT9IlD2ZQh9GyDMfb5G8=
+github.com/valyala/fastrand v1.1.0/go.mod h1:HWqCzkrkg6QXT8V2EXWvXCoow7vLwOFN002oeRzjapQ=
+github.com/valyala/histogram v1.2.0 h1:wyYGAZZt3CpwUiIb9AU/Zbllg1llXyrtApRS815OLoQ=
+github.com/valyala/histogram v1.2.0/go.mod h1:Hb4kBwb4UxsaNbbbh+RRz8ZR6pdodR57tzWUS3BUzXY=
+go.unistack.org/metrics v0.0.1 h1:sCnGO059ZccGC/D34iRH121eSk+7ci5+OY9cl5K7GKY=
+go.unistack.org/metrics v0.0.1/go.mod h1:1FY4R7EKJa9Oz2D6wlGScNerpl6igRs9Cx/3et4Rgs4=
+go.unistack.org/micro-client-grpc/v3 v3.11.10 h1:hbqCL4JLbTtPN1ee16EK6LqTbeIr6HynJJjCRWAu2kk=
+go.unistack.org/micro-client-grpc/v3 v3.11.10/go.mod h1:S1AIA2n3GZVxKdjpMcLJSXwBpC/OzAX91D6KxFzqjbc=
+go.unistack.org/micro-codec-jsonpb/v3 v3.10.3 h1:4GTNrhpwPCRqSuimlOdgViE+95IE4YeBNeOCTawSTeM=
+go.unistack.org/micro-codec-jsonpb/v3 v3.10.3/go.mod h1:6avGT/PKXgZFh2d4dhyUfkKRWXPwzL2CJHnRLqx9o3g=
+go.unistack.org/micro-codec-proto/v3 v3.10.2 h1:9iUQjBjTsd/RgIqB5rAQMZE0CYWngoW9pbrnfcFtbXM=
+go.unistack.org/micro-codec-proto/v3 v3.10.2/go.mod h1:54e1jb6aLL9obJUwJjtVupE5zY4PugTcMSqWDhz9aC4=
+go.unistack.org/micro-meter-victoriametrics/v3 v3.8.9 h1:ZXCS0eFiSdvcFYxpxV2Q77gfwAjpIRydwAEI1QBrwuQ=
+go.unistack.org/micro-meter-victoriametrics/v3 v3.8.9/go.mod h1:xODJQ0Nu/F8k34D/z2ITL91OskI/C674XCkugAxmc3Q=
+go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
+go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
 go.unistack.org/micro/v3 v3.10.100 h1:yWOaU0ImCGm5k5MUzlIobJUOr+KLfrR/BoDZvcHyKxM=
 go.unistack.org/micro/v3 v3.10.100/go.mod h1:YzMldzHN9Ei+zy5t/Psu7RUWDZwUfrNYiStSQtTz90g=
+golang.org/x/net v0.29.0 h1:5ORfpBpCs4HzDYoodCDBbwHzdR5UrLBZ3sOnUJmFoHo=
+golang.org/x/net v0.29.0/go.mod h1:gLkgy8jTGERgjzMic6DS9+SP0ajcu6Xu3Orq/SpETg0=
+golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
+golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.18.0 h1:XvMDiNzPAl0jr17s6W9lcaIhGUfUORdGCNsuLmPG224=
+golang.org/x/text v0.18.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
+google.golang.org/grpc v1.67.0 h1:IdH9y6PF5MPSdAntIcpjQ+tXO41pcQsfZV2RxtQgVcw=
+google.golang.org/grpc v1.67.0/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
+google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

pkg/config/config.go

@@ -1,6 +1,11 @@
 package config
 
-import "io"
+import (
+	"io"
+
+	mtime "go.unistack.org/micro/v3/util/time"
+	yaml "gopkg.in/yaml.v3"
+)
 
 type Config struct {
 	Services []*Service `json:"services,omitempty" yaml:"services,omitempty"`
@@ -9,14 +14,17 @@ type Config struct {
 type Service struct {
 	Name       string   `json:"name,omitempty" yaml:"name,omitempty"`
 	Addr       string   `json:"addr,omitempty" yaml:"addr,omitempty"`
-	Checks []Check `json:"checks,omitempty" yaml:"checks,omitempty"`
+	Type       string   `json:"type,omitempty" yaml:"type,omitempty"`
+	Reflection bool     `json:"reflection,omitempty" yaml:"reflection,omitempty"`
+	Protoset   string   `json:"protoset,omitempty" yaml:"protoset,omitempty"`
+	Checks     []*Check `json:"checks,omitempty" yaml:"checks,omitempty"`
+	TLSVerify  *bool    `json:"tls_verify,omitempty" yaml:"tls_verify,omitempty"`
 }
 
 type Check struct {
 	Name    string         `json:"name,omitempty" yaml:"name,omitempty"`
-	Type    string `json:"type,omitempty" yaml:"type,omitempty"`
 	Data    string         `json:"data,omitempty" yaml:"data,omitempty"`
-	Timeout string `json:"timeout,omitempty" yaml:"timeout,omitempty"`
+	Timeout mtime.Duration `json:"timeout,omitempty" yaml:"timeout,omitempty"`
 }
 
 func (cfg *Config) Parse(r io.Reader) error {

pkg/grpcconn/grpcconn.go

@@ -0,0 +1,30 @@
+package grpcconn
+
+import (
+	"context"
+	"time"
+
+	"github.com/google/uuid"
+	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v3/logger"
+)
+
+func Call(ctx context.Context, l logger.Logger, c client.Client, addr string, td time.Duration, req client.Request, rsp interface{}) error {
+	var err error
+	uid, err := uuid.NewRandom()
+	if err != nil {
+		l.Error(ctx, "failed to generate x-request-id", err)
+		return err
+	}
+
+	err = c.Call(ctx, req, rsp,
+		client.WithAddress(addr),
+		client.WithRequestTimeout(td),
+		// client.WithContentType("application/json"),
+	)
+	if err != nil {
+		l.Error(ctx, "call failed", "x-request-id", uid.String(), err)
+		return err
+	}
+	return nil
+}

pkg/grpcconn/protoset.go

@@ -0,0 +1,14 @@
+//go:build ignore
+
+package grpcconn
+
+import (
+	"github.com/emicklei/proto"
+	"github.com/jhump/protoreflect/desc"
+)
+
+var protoSets = map[string]*desc.FileDescriptor
+
+func GetMessage(service string, method string) (proto.Message, error) {
+	return nil, nil
+}