feat(amazon): support amazon linux 2022 (#1338)

config/config.go

@@ -301,10 +301,7 @@ func (l Distro) String() string {
 // MajorVersion returns Major version
 func (l Distro) MajorVersion() (int, error) {
 	if l.Family == constant.Amazon {
-		if isAmazonLinux1(l.Release) {
-			return 1, nil
-		}
-		return 2, nil
+		return strconv.Atoi(getAmazonLinuxVersion(l.Release))
 	}
 	if 0 < len(l.Release) {
 		return strconv.Atoi(strings.Split(l.Release, ".")[0])

config/config_test.go

@@ -70,6 +70,13 @@ func TestDistro_MajorVersion(t *testing.T) {
 		in  Distro
 		out int
 	}{
+		{
+			in: Distro{
+				Family:  Amazon,
+				Release: "2022 (Amazon Linux)",
+			},
+			out: 2022,
+		},
 		{
 			in: Distro{
 				Family:  Amazon,

config/os.go

@@ -39,14 +39,11 @@ func (e EOL) IsExtendedSuppportEnded(now time.Time) bool {
 func GetEOL(family, release string) (eol EOL, found bool) {
 	switch family {
 	case constant.Amazon:
-		rel := "2"
-		if isAmazonLinux1(release) {
-			rel = "1"
-		}
 		eol, found = map[string]EOL{
-			"1": {StandardSupportUntil: time.Date(2023, 6, 30, 23, 59, 59, 0, time.UTC)},
-			"2": {},
-		}[rel]
+			"1":    {StandardSupportUntil: time.Date(2023, 6, 30, 23, 59, 59, 0, time.UTC)},
+			"2":    {},
+			"2022": {},
+		}[getAmazonLinuxVersion(release)]
 	case constant.RedHat:
 		// https://access.redhat.com/support/policy/updates/errata
 		eol, found = map[string]EOL{
@@ -206,6 +203,10 @@ func majorDotMinor(osVer string) (majorDotMinor string) {
 	return fmt.Sprintf("%s.%s", ss[0], ss[1])
 }
 
-func isAmazonLinux1(osRelease string) bool {
-	return len(strings.Fields(osRelease)) == 1
+func getAmazonLinuxVersion(osRelease string) string {
+	ss := strings.Fields(osRelease)
+	if len(ss) == 1 {
+		return "1"
+	}
+	return ss[0]
 }

config/os_test.go

@@ -45,6 +45,14 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 			extEnded: false,
 			found:    true,
 		},
+		{
+			name:     "amazon linux 2022 supported",
+			fields:   fields{family: Amazon, release: "2022 (Amazon Linux)"},
+			now:      time.Date(2023, 7, 1, 23, 59, 59, 0, time.UTC),
+			stdEnded: false,
+			extEnded: false,
+			found:    true,
+		},
 		//RHEL
 		{
 			name:     "RHEL7 supported",