Implement debian package

distro/debian/kernel.go

@@ -0,0 +1,63 @@
+package debian
+
+import (
+	"errors"
+	"strings"
+
+	"code.dumpstack.io/tools/out-of-tree/distro/debian/snapshot"
+)
+
+type DebianKernelVersion struct {
+	// linux-headers-4.17.0-2-amd64_4.17.14-1_amd64.deb
+
+	// Package version, e.g. "4.17.14-1"
+	// See tags in https://salsa.debian.org/kernel-team/linux
+	Package string
+
+	// ABI version, e.g. "4.17.0-2"
+	ABI string
+}
+
+type DebianKernel struct {
+	Version DebianKernelVersion
+	Image   snapshot.Package
+	Headers snapshot.Package
+}
+
+func GetDebianKernel(version string) (dk DebianKernel, err error) {
+	dk.Version.Package = version
+
+	regex := `^linux-(image|headers)-[0-9\.\-]*-(amd64|amd64-unsigned)$`
+
+	packages, err := snapshot.Packages("linux", version, "amd64", regex)
+	if len(packages) != 2 {
+		err = errors.New("len(packages) != 2")
+		return
+	}
+
+	var imageFound, headersFound bool
+	for _, p := range packages {
+		if strings.Contains(p.Name, "image") {
+			imageFound = true
+			dk.Image = p
+		} else if strings.Contains(p.Name, "headers") {
+			headersFound = true
+			dk.Headers = p
+		}
+	}
+
+	if !imageFound {
+		err = errors.New("image not found")
+		return
+	}
+
+	if !headersFound {
+		err = errors.New("headers not found")
+		return
+	}
+
+	s := strings.Replace(dk.Headers.Name, "linux-headers-", "", -1)
+	dk.Version.ABI = strings.Replace(s, "-amd64", "", -1)
+
+	return
+}