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Grpc hello service implementation

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This commit is contained in:
Alexander
2026-05-04 14:56:05 +02:00
parent 6baa895c6c
commit 268ee57913
14 changed files with 186 additions and 5 deletions
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.gitignore
+3
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@@ -27,3 +27,6 @@ bin/
# Ignore config.yaml
config.yaml
# Ignore protobuf generated files
gen/
api/Hello Echo.bru
+23
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@@ -0,0 +1,23 @@
meta {
name: Hello Echo
type: grpc
seq: 3
}
grpc {
url: localhost:8081
method: /music_agregator.hello.v1.HelloService/Echo
body: grpc
protoPath: ../proto/music_agregator/hello/v1/service.proto
auth: none
methodType: unary
}
body:grpc {
name: message 1
content: '''
{
"msg": "hello"
}
'''
}
api/Hello Ping.bru
+21
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@@ -0,0 +1,21 @@
meta {
name: Hello Ping
type: grpc
seq: 1
}
grpc {
url: localhost:8081
method: /music_agregator.hello.v1.HelloService/Ping
body: grpc
protoPath: ../proto/music_agregator/hello/v1/service.proto
auth: none
methodType: unary
}
body:grpc {
name: message 1
content: '''
{}
'''
}
api/bruno.json
+23
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@@ -0,0 +1,23 @@
{
"version": "1",
"name": "Music Agregator",
"type": "collection",
"protobuf": {
"importPaths": [
{
"path": "../proto",
"enabled": true
}
],
"protoFiles": [
{
"path": "../proto/music_agregator/hello/v1/service.proto",
"type": "file"
}
]
},
"presets": {
"requestType": "grpc",
"requestUrl": ""
}
}
api/collection.bru
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buf.gen.yaml
+8
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@@ -0,0 +1,8 @@
version: v2
plugins:
- remote: buf.build/protocolbuffers/go
out: gen
opt: paths=source_relative
- remote: buf.build/grpc/go
out: gen
opt: paths=source_relative
buf.yaml
+9
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@@ -0,0 +1,9 @@
version: v2
modules:
- path: proto
lint:
use:
- STANDARD
breaking:
use:
- FILE
cmd/music-agregator/main.go
+23
View File
@@ -2,15 +2,19 @@ package main
import (
"flag"
"net"
"os"
"github.com/gin-gonic/gin"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"google.golang.org/grpc"
"gopkg.in/yaml.v2"
pb "homelab.lan/music-agregator/gen/music_agregator/hello/v1"
// My modules
"homelab.lan/music-agregator/internal/config"
"homelab.lan/music-agregator/internal/hello"
appRouter "homelab.lan/music-agregator/internal/router"
)
@@ -27,6 +31,14 @@ func main() {
}
log.Info().Interface("config", cfg).Msg("Loaded config")
// start the grpc in another thread to not block the next http start
go serveGrpc()
serveHttp()
}
func serveHttp() {
router := gin.Default()
appRouter.SetupRoutes(router)
router.GET("/ping", func(c *gin.Context) {
@@ -35,7 +47,18 @@ func main() {
})
})
router.Run()
}
func serveGrpc() {
var opts []grpc.ServerOption
server := grpc.NewServer(opts...)
helloServiceHandler := hello.NewHelloServer()
pb.RegisterHelloServiceServer(server, helloServiceHandler)
listener, err := net.Listen("tcp", "localhost:8081")
if err != nil {
log.Fatal().Err(err).Msg("Failed to listen on localhost:8081")
}
server.Serve(listener)
}
func parseConfig(path *string) (config.Config, error) {
flake.nix
+5
View File
@@ -53,7 +53,10 @@
plantuml
just
nixd
bruno
buf
protobuf
protoc-gen-go
protoc-gen-go-grpc
@@ -62,6 +65,8 @@
gopls
gotools
go-tools
opencode
];
};
};
go.mod
+7 -3
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@@ -7,7 +7,10 @@ require (
github.com/rs/zerolog v1.35.1
)
require github.com/mattn/go-colorable v0.1.14 // indirect
require (
github.com/mattn/go-colorable v0.1.14 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171 // indirect
)
require (
github.com/bytedance/gopkg v0.1.3 // indirect
@@ -36,8 +39,9 @@ require (
golang.org/x/arch v0.22.0 // indirect
golang.org/x/crypto v0.48.0 // indirect
golang.org/x/net v0.51.0 // indirect
golang.org/x/sys v0.41.0 // indirect
golang.org/x/sys v0.42.0 // indirect
golang.org/x/text v0.34.0 // indirect
google.golang.org/protobuf v1.36.10 // indirect
google.golang.org/grpc v1.81.0
google.golang.org/protobuf v1.36.11 // indirect
gopkg.in/yaml.v2 v2.4.0
)
go.sum
+8
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@@ -89,10 +89,18 @@ golang.org/x/net v0.51.0/go.mod h1:aamm+2QF5ogm02fjy5Bb7CQ0WMt1/WVM7FtyaTLlA9Y=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA=
google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171 h1:ggcbiqK8WWh6l1dnltU4BgWGIGo+EVYxCaAPih/zQXQ=
google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171/go.mod h1:4Hqkh8ycfw05ld/3BWL7rJOSfebL2Q+DVDeRgYgxUU8=
google.golang.org/grpc v1.81.0 h1:W3G9N3KQf3BU+YuCtGKJk0CmxQNbAISICD/9AORxLIw=
google.golang.org/grpc v1.81.0/go.mod h1:xGH9GfzOyMTGIOXBJmXt+BX/V0kcdQbdcuwQ/zNw42I=
google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
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=
internal/hello/server.go
+27
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@@ -0,0 +1,27 @@
package hello
import (
"context"
pb "homelab.lan/music-agregator/gen/music_agregator/hello/v1"
)
type HelloServer struct {
pb.UnimplementedHelloServiceServer
}
func NewHelloServer() *HelloServer {
return &HelloServer{}
}
func (server *HelloServer) Ping(ctx context.Context, req *pb.PingRequest) (*pb.PongResponse, error) {
return &pb.PongResponse{}, nil
}
func (server *HelloServer) Echo(ctx context.Context, req *pb.EchoRequest) (*pb.EchoResponse, error) {
response := &pb.EchoResponse{
Response: req.GetMsg(),
}
return response, nil
}
justfile
+7 -2
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@@ -1,8 +1,13 @@
target := "cmd/music-agregator/main.go"
build:
proto:
buf generate
build: proto
go build {{target}}
tidy:
go mod tidy
run *FLAGS:
run *FLAGS: proto
go run {{target}} {{FLAGS}}
proto/music_agregator/hello/v1/service.proto
+22
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@@ -0,0 +1,22 @@
syntax = "proto3";
package music_agregator.hello.v1;
option go_package = "homelab.lan/music-agregator/gen/music_agregator/v1/hello";
service HelloService {
rpc Ping(PingRequest) returns (PongResponse) {}
rpc Echo(EchoRequest) returns (EchoResponse) {}
}
message PingRequest {
}
message PongResponse {
}
message EchoRequest {
string msg = 1;
}
message EchoResponse {
string response = 1;
}