Add support for CBL-Mariner and Azure Linux

pkg/util/helpers_linux.go

@@ -64,6 +64,10 @@ func getOSVersion(osReleasePath string) (string, error) {
 		return getDebianVersion(osReleaseMap), nil
 	case "sles":
 		return getDebianVersion(osReleaseMap), nil
+	case "mariner":
+		return getDebianVersion(osReleaseMap), nil
+	case "azurelinux":
+		return getDebianVersion(osReleaseMap), nil
 	default:
 		return "", fmt.Errorf("Unsupported ID in /etc/os-release: %q", osReleaseMap["ID"])
 	}

pkg/util/helpers_linux_test.go

@@ -75,6 +75,18 @@ func TestGetOSVersionLinux(t *testing.T) {
 			expectedOSVersion: "sles 15-SP4",
 			expectErr:         false,
 		},
+		{
+			name:              "mariner",
+			fakeOSReleasePath: "testdata/os-release-mariner",
+			expectedOSVersion: "mariner 2.0.20240123",
+			expectErr:         false,
+		},
+		{
+			name:              "azurelinux",
+			fakeOSReleasePath: "testdata/os-release-azurelinux",
+			expectedOSVersion: "azurelinux 3.0.20240328",
+			expectErr:         false,
+		},
 		{
 			name:              "Unknown",
 			fakeOSReleasePath: "testdata/os-release-unknown",

pkg/util/testdata/os-release-azurelinux

@@ -0,0 +1,9 @@
+NAME="Microsoft Azure Linux"
+VERSION="3.0.20240328"
+ID=azurelinux
+VERSION_ID="3.0"
+PRETTY_NAME="Microsoft Azure Linux 3.0"
+ANSI_COLOR="1;34"
+HOME_URL="https://aka.ms/azurelinux"
+BUG_REPORT_URL="https://aka.ms/azurelinux"
+SUPPORT_URL="https://aka.ms/azurelinux"

pkg/util/testdata/os-release-mariner

@@ -0,0 +1,9 @@
+NAME="Common Base Linux Mariner"
+VERSION="2.0.20240123"
+ID=mariner
+VERSION_ID="2.0"
+PRETTY_NAME="CBL-Mariner/Linux"
+ANSI_COLOR="1;34"
+HOME_URL="https://aka.ms/cbl-mariner"
+BUG_REPORT_URL="https://aka.ms/cbl-mariner"
+SUPPORT_URL="https://aka.ms/cbl-mariner"