build: switch from protoc to buf to build protobuf

.github/workflows/ci.yml

@@ -48,7 +48,7 @@ jobs:
       - name: Setup
         uses: ./.github/actions/setup
       - name: Install dependencies
-        run: sudo apt-get install -qqy shared-mime-info curl protobuf-compiler
+        run: sudo apt-get install -qqy shared-mime-info curl
 
       # Build and test
       - name: Build
@@ -93,8 +93,6 @@ jobs:
           persist-credentials: false
       - name: Setup
         uses: ./.github/actions/setup
-      - name: Install dependencies
-        run: brew install protobuf
 
       # Build and test
       - name: Build
@@ -157,8 +155,6 @@ jobs:
         uses: ./.github/actions/setup
         with:
           go-version: ${{ matrix.go-version }}
-      - name: Install dependencies
-        run: sudo apt-get install -qqy protobuf-compiler
       - name: Build
         run: make && ./bin/akvorado version
       - uses: actions/cache/save@v4

.gitlab-ci.yml

@@ -23,7 +23,7 @@ run tests:
     # past but this is a slight burden to maintain in addition to GitHub CI.
     # Check commit ceaa6ebf8ef6 for the last version supporting functional
     # tests.
-    - time apk add --no-cache git make gcc musl-dev shared-mime-info npm curl protoc
+    - time apk add --no-cache git make gcc musl-dev shared-mime-info npm curl
     - export GOMODCACHE=$PWD/.go-cache
     - npm config --user set cache $PWD/.npm-cache
     - time go mod download

Makefile

@@ -59,17 +59,16 @@ GOIMPORTS = go tool goimports
 GOTESTSUM = go tool gotestsum
 MOCKGEN = go tool mockgen
 PIGEON = go tool pigeon
-PROTOC = protoc
-PROTOC_GEN_GO = bin/protoc-gen-go
 REVIVE = go tool revive
 WWHRD = go tool wwhrd
+BUF = go run github.com/bufbuild/buf/cmd/buf@v1.55.1
 
 # Generated files
 
 .DELETE_ON_ERROR:
 
-common/pb/rawflow.pb.go: common/pb/rawflow.proto ; $(info $(M) compiling protocol buffers definition…)
-	$Q $(PROTOC) -I=. --plugin=$(PROTOC_GEN_GO) --go_out=. --go_opt=module=$(MODULE) $<
+common/pb/rawflow.pb.go: %.pb.go: buf.gen.yaml %.proto ; $(info $(M) compiling protocol buffers definition…)
+	$Q $(BUF) generate --path $(@:.pb.go=.proto)
 
 common/clickhousedb/mocks/mock_driver.go: go.mod ; $(info $(M) generate mocks for ClickHouse driver…)
 	$Q $(MOCKGEN) -package mocks -build_constraint "!release" -destination $@ \

bin/protoc-gen-go

@@ -1,2 +0,0 @@
-#!/bin/sh
-go tool protoc-gen-go "$@"

buf.gen.yaml

@@ -0,0 +1,7 @@
+---
+version: v2
+plugins:
+  - local: [ "go", "tool", "protoc-gen-go" ]
+    out: .
+    opt:
+      - paths=source_relative

console/data/docs/01-install.md

@@ -31,12 +31,12 @@ Currently, only a pre-built binary for Linux x86-64 is provided.
 
 ## Compilation from source
 
-You need a proper installation of [Go](https://go.dev/doc/install) (1.24+) and
+You need a proper installation of [Go](https://go.dev/doc/install) (1.24+), and
 [NodeJS](https://nodejs.org/en/download/) (20+) with NPM (6+). For example, on
 Debian:
 
 ```console
-# apt install golang nodejs npm protobuf-compiler
+# apt install golang nodejs npm
 # go version
 go version go1.24.1 linux/amd64
 # node --version

flake.nix

@@ -55,7 +55,7 @@
             find . -print0 | xargs -0 touch -d @0
 
             make all \
-              PROTOC=${pkgs.protobuf}/bin/protoc \
+              BUF=${pkgs.buf}/bin/buf \
               ASNS_URL=${asn2org}/asns.csv \
               SERVICES_URL=${ianaServiceNames}
           '';
@@ -111,7 +111,6 @@
             nodejs
             pkgs.git
             pkgs.curl
-            pkgs.protobuf
           ];
         };
       });

go.mod

@@ -3,6 +3,7 @@ module akvorado
 go 1.24
 
 require (
+	github.com/ClickHouse/ch-go v0.66.1
 	github.com/ClickHouse/clickhouse-go/v2 v2.37.2
 	github.com/IBM/sarama v1.45.2
 	github.com/alecthomas/chroma v0.10.0
@@ -26,7 +27,6 @@ require (
 	github.com/grpc-ecosystem/go-grpc-middleware/providers/prometheus v1.0.1
 	github.com/hashicorp/go-version v1.7.0
 	github.com/itchyny/gojq v0.12.17
-	github.com/jhump/protoreflect v1.17.0
 	github.com/kentik/patricia v1.2.1
 	github.com/kylelemons/godebug v1.1.0
 	github.com/mattn/go-isatty v0.0.20
@@ -50,7 +50,6 @@ require (
 	golang.org/x/oauth2 v0.30.0
 	golang.org/x/sys v0.33.0
 	golang.org/x/text v0.26.0
-	golang.org/x/time v0.12.0
 	google.golang.org/grpc v1.72.2
 	google.golang.org/protobuf v1.36.6
 	gopkg.in/tomb.v2 v2.0.0-20161208151619-d5d1b5820637
@@ -66,7 +65,6 @@ require (
 	github.com/AlekSi/gocov-xml v1.1.0 // indirect
 	github.com/AlekSi/pointer v1.2.0 // indirect
 	github.com/BurntSushi/toml v1.4.0 // indirect
-	github.com/ClickHouse/ch-go v0.66.1 // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/andybalholm/brotli v1.1.1 // indirect
 	github.com/axw/gocov v1.2.1 // indirect
@@ -134,6 +132,7 @@ require (
 	github.com/jcmturner/rpc/v2 v2.0.3 // indirect
 	github.com/jellydator/ttlcache/v2 v2.11.1 // indirect
 	github.com/jessevdk/go-flags v1.5.0 // indirect
+	github.com/jhump/protoreflect v1.17.0 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/josharian/native v1.1.0 // indirect
@@ -199,6 +198,7 @@ require (
 	golang.org/x/net v0.41.0 // indirect
 	golang.org/x/sync v0.15.0 // indirect
 	golang.org/x/term v0.32.0 // indirect
+	golang.org/x/time v0.12.0 // indirect
 	golang.org/x/tools v0.33.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

nix/vendorHash.txt

@@ -1 +1 @@
-sha256-TeYE1s4Yw4Ag2IbmP/bNgzP+XoOiup+gXm25nNaeTAU=
+sha256-Ejw42fH6T+qZXeR5lJ9ThmzXTWnRg1fSnh70La8LmGw=