run with toolexec

.github/workflows/test-ci-instrumentation-workflow.yml

@@ -0,0 +1,107 @@
+name: test-ci-instrumentation-workflow
+on:
+  push:
+    branches:
+      - grambbledook/test-toolexec-instrumentation
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+        with:
+          persist-credentials: false
+
+      - name: Checkout Go Cache Plugin
+        uses: actions/checkout@v5
+        with:
+          repository: 'grafana/go-cache-plugin'
+          ref: grambbledook/local-cache-and-metrics
+          persist-credentials: false
+          path: gocacheplugin
+
+      - name: Checkout Go Cache Plugin - toolexec
+        uses: actions/checkout@v5
+        with:
+          repository: 'grafana/go-cache-plugin'
+          ref: grambbledook/toolexec
+          persist-credentials: false
+          path: gocacheplugin-toolexec
+
+      - name: Setup Go
+        uses: actions/setup-go@v6.0.0
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Build Go Cache Plugin
+        run: |
+          cd ./gocacheplugin/cmd/go-cache-plugin
+          GOWORK=off go build -o go-cache-plugin
+          cd ../../..
+          cd ./gocacheplugin-toolexec/cmd/go-toolexec
+          GOWORK=off go build -o go-toolexec
+          cd ../../..
+          cp ./gocacheplugin/cmd/go-cache-plugin/go-cache-plugin ./
+          cp ./gocacheplugin-toolexec/cmd/go-toolexec/go-toolexec ./
+
+      - name: Start Go Cache Plugin
+        env:
+          GOCACHE_LOCAL_ONLY: true
+          GOCACHE_DIR: /tmp/gocache
+          GOCACHE_MODPROXY_NOCACHE: true
+          GOCACHE_ENABLE_TRACING: true
+          GOCACHE_TRACING_TRACE_FILE: trace-modcache.log
+          #          OTEL_COLLECTOR_ADDRESS: localhost:4319
+          RUN_ID: ${{ github.run_id }}
+          RUN_ATTEMPT: ${{ github.run_attempt }}
+          JOB_NAME: ${{ github.job }}
+          STEP_NAME: Build Grafana
+          STEP_NUMBER: 8
+        run: |
+          ./go-cache-plugin serve --plugin 5930 --http=localhost:5970 --modproxy &
+
+          echo $! > go-cache-plugin.pid
+
+      - name: Build Grafana
+        continue-on-error: true
+        env:
+          GOCACHE_LOCAL_ONLY: true
+          GOCACHE_DIR: /tmp/gocache
+          GOCACHE_ENABLE_TRACING: true
+          GOCACHE_TRACING_TRACE_FILE: trace-gocache.log
+          TOOLEXEC_TRACING_TRACE_FILE: trace-toolexec.log
+
+          RUN_ID: ${{ github.run_id }}
+          RUN_ATTEMPT: ${{ github.run_attempt }}
+          JOB_NAME: ${{ github.job }}
+          STEP_NAME: Build Grafana
+          STEP_NUMBER: 8
+        run: |
+          GOPROXY=http://localhost:5970/mod  GOCACHEPROG="./go-cache-plugin connect 5930" make build-go
+
+      - name: Cleanup
+        run: |
+          kill $(cat go-cache-plugin.pid)
+
+
+      - name: Cat GOMOD traces
+        run: |
+          echo "====GO MODPROXY TRACES====="
+          cat trace-modcache.log
+          echo "==========================="
+
+      - name: Cat GOCACHEPROG traces
+        run: |
+          echo "====GO GOCACHEPROG TRACES====="
+          cat trace-gocache.log
+          echo "=============================="
+
+      - name: Cat GOTOOLEXEC traces
+        run: |
+          echo "====GO GOTOOLEXEC TRACES====="
+          cat trace-toolexec.log
+          echo "============================="
+
+

goinst/go.mod

@@ -0,0 +1,3 @@
+module goinst
+
+go 1.25.3

goinst/main.go

@@ -0,0 +1,115 @@
+package main
+
+import (
+	"log"
+	"os"
+	"os/exec"
+	"strings"
+	"time"
+)
+
+var (
+	Asm     = "asm"
+	Compile = "compile"
+	Link    = "link"
+)
+
+var logger *log.Logger
+
+func main() {
+	if len(os.Args) < 2 {
+		log.Fatal("Usage: toolexec <tool> [args...]")
+	}
+
+	f, err := os.OpenFile("toolexec.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
+	if err != nil {
+		log.Fatalf("error opening file: %v", err)
+	}
+	defer f.Close()
+
+	logger = log.New(f, "", log.LstdFlags)
+
+	tool := os.Args[1]
+	args := os.Args[2:]
+	start := time.Now()
+
+	cmd := exec.Command(tool, args...)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	err = cmd.Run()
+
+	elapsed := time.Since(start)
+
+	switch getTool(tool) {
+	case Asm:
+		printAsm(elapsed)
+	case Compile:
+		printCompile(elapsed)
+	case Link:
+		printLink(elapsed)
+	default:
+		printDefault(elapsed)
+	}
+
+	if err != nil {
+		if exitErr, ok := err.(*exec.ExitError); ok {
+			os.Exit(exitErr.ExitCode())
+		} else {
+			logger.Fatal("Error:", err)
+		}
+	}
+}
+
+func printAsm(elapsed time.Duration) {
+	logger.Println("==========Asm=========")
+	logger.Printf("   tool: %s", Asm)
+	logger.Printf("   package: %s", os.Args[len(os.Args)-1])
+	logger.Printf("   elapsed: %s", elapsed)
+	logger.Println("======================")
+	logger.Println("")
+}
+
+func printCompile(elapsed time.Duration) {
+	logger.Println("========Compile=======")
+	logger.Printf("   tool: %s", Compile)
+	logger.Printf("   package: %s", getPackage(os.Args))
+	logger.Printf("   elapsed: %s", elapsed)
+	logger.Println("======================")
+	logger.Println("")
+}
+
+func printLink(elapsed time.Duration) {
+	logger.Println("========LINK========")
+	logger.Printf("   tool: %s", Link)
+	logger.Printf("   package: %s", os.Args[len(os.Args)-1])
+	logger.Printf("   elapsed: %s", elapsed)
+	logger.Println("======================")
+	logger.Println("")
+}
+
+func printDefault(elapsed time.Duration) {
+	logger.Println("========Default========")
+	logger.Println("   args: %v", os.Args)
+	logger.Println("")
+	logger.Printf("   elapsed: %s", elapsed)
+	logger.Println("======================")
+	logger.Println("")
+}
+func getTool(tool string) string {
+	parts := strings.Split(tool, "/")
+	return parts[len(parts)-1]
+}
+
+func getPackage(args []string) string {
+	for i, v := range args {
+		if i+1 == len(args) {
+			break
+		}
+
+		if v == "-p" {
+			return args[i+1]
+		}
+	}
+
+	return "unknown"
+}

pkg/build/cmd.go

@@ -207,7 +207,7 @@ func doBuild(binaryName, pkg string, opts BuildOpts) error {
 	// We should not publish Grafana as a Go module, disabling vcs changes the version to (devel)
 	// and works better with SBOM and Vulnerability Scanners.
 	args = append(args, "-buildvcs=false")
-
+	args = append(args, "-toolexec=\"./go-toolexec\"")
 	args = append(args, "-o", binary)
 	args = append(args, pkg)