Add codesign to flags

Signed-off-by: Alper Polat <[email protected]>

Add rcodesign as a new utility function

Signed-off-by: Alper Polat <[email protected]>

Update year to 2024

Signed-off-by: Alper Polat <[email protected]>

cmd/codesign.go

@@ -0,0 +1,53 @@
+// Copyright © 2024 Prometheus Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"fmt"
+	"path/filepath"
+
+	"github.com/prometheus/promu/util/sh"
+)
+
+var (
+	codesigncmd = app.Command("codesign", "Code sign the binary using rcodesign.")
+	binaryPath  = codesigncmd.Arg("path", "Absolute path to binary to be signed").Required().String()
+)
+
+func runCodeSign(binaryPath string) {
+	codeSignGoBinary(binaryPath)
+}
+
+func codeSignGoBinary(binaryPath string) {
+	var (
+		goVersion              = config.Go.Version
+		dockerMainBuilderImage = fmt.Sprintf("%s:%s-main", dockerBuilderImageName, goVersion)
+		mountPath              = fmt.Sprintf("/%s", filepath.Base(binaryPath))
+		mountPathConcat        = fmt.Sprintf("%s:%s", binaryPath, mountPath)
+	)
+	fmt.Printf("> using rcodesign to sign the binary file at path %s\n", binaryPath)
+
+	// Example:
+	// docker run --entrypoint "rcodesign" --rm -v "/path/to/darwin-arm64/node_exporter:/node_exporter"
+	// quay.io/prometheus/golang-builder:1.21-main sign /node_exporter
+	err := sh.RunCommand("docker", "run", "--entrypoint",
+		"rcodesign", "--rm", "-v", mountPathConcat,
+		dockerMainBuilderImage, "sign", mountPath)
+
+	if err != nil {
+		fmt.Printf("Couldn't sign the binary as intended: %s", err)
+	}
+
+}

cmd/promu.go

@@ -137,6 +137,8 @@ func Execute() {
 		runTarball(optArg(*tarBinariesLocation, 0, "."))
 	case versioncmd.FullCommand():
 		runVersion()
+	case codesigncmd.FullCommand():
+		runCodeSign(*binaryPath)
 	}
 }