fix: clean ubuntu modules package

distro/ubuntu/ubuntu.go

@@ -0,0 +1,48 @@
+package ubuntu
+
+import (
+	"fmt"
+
+	"code.dumpstack.io/tools/out-of-tree/config"
+)
+
+func Envs(km config.KernelMask) (envs []string) {
+	envs = append(envs, "DEBIAN_FRONTEND=noninteractive")
+	return
+}
+
+func Runs(km config.KernelMask) (commands []string) {
+	cmdf := func(f string, s ...interface{}) {
+		commands = append(commands, fmt.Sprintf(f, s...))
+	}
+
+	if km.DistroRelease < "14.04" {
+		cmdf("sed -i 's/archive.ubuntu.com/old-releases.ubuntu.com/' " +
+			"/etc/apt/sources.list")
+	}
+
+	cmdf("apt-get update")
+	cmdf("apt-get install -y build-essential libelf-dev")
+	cmdf("apt-get install -y wget git")
+
+	if km.DistroRelease < "14.04" {
+		return
+	}
+
+	cmdf("apt-get install -y libseccomp-dev")
+
+	// Install and remove a single kernel and headers.
+	// This ensures that all dependencies are cached.
+
+	cmdf("export TMP_HEADERS=$(apt-cache search " +
+		"--names-only '^linux-headers-[0-9\\.\\-]*-generic' " +
+		"| awk '{ print $1 }' | head -n 1)")
+
+	cmdf("export TMP_KERNEL=$(echo $TMP_HEADERS | sed 's/headers/image/')")
+	cmdf("export TMP_MODULES=$(echo $TMP_HEADERS | sed 's/headers/modules/')")
+
+	cmdf("apt-get install -y $TMP_HEADERS $TMP_KERNEL $TMP_MODULES")
+	cmdf("apt-get remove -y $TMP_HEADERS $TMP_KERNEL $TMP_MODULES")
+
+	return
+}