update distro id to match os-release

Signed-off-by: Mayank Singh <mayansingh@microsoft.com>

Author: Mayank Singh

pkg/util/helpers_linux.go

@@ -72,7 +72,7 @@ func getOSVersion(osReleasePath string) (string, error) {
 		return getDebianVersion(osReleaseMap), nil
 	case "flatcar":
 		return getDebianVersion(osReleaseMap), nil
-	case "acl":
+	case "azurecontainerlinux":
 		return getDebianVersion(osReleaseMap), nil
 	default:
 		return "", fmt.Errorf("unsupported ID in /etc/os-release: %q", osReleaseMap["ID"])

pkg/util/helpers_linux_test.go

@@ -101,9 +101,9 @@ func TestGetOSVersionLinux(t *testing.T) {
 			expectErr:         false,
 		},
 		{
-			name:              "acl",
+			name:              "azurecontainerlinux",
 			fakeOSReleasePath: "testdata/os-release-acl",
-			expectedOSVersion: "acl 4459.2.2",
+			expectedOSVersion: "azurecontainerlinux 3.0.20260311",
 			expectErr:         false,
 		},
 		{

pkg/util/testdata/os-release-acl

@@ -1,13 +1,14 @@
-NAME="Azure Container Linux"
-ID=acl
-ID_LIKE=flatcar
-VERSION=4459.2.2
-VERSION_ID=4459.2.2
-BUILD_ID=97-g545e29b39d
+NAME="Microsoft Azure Container Linux"
+ID=azurecontainerlinux
+ID_LIKE=azurelinux
+VERSION=3.0.20260311
+VERSION_ID=3.0.20260311
+BUILD_ID=053024-b84c192057-dirty
 SYSEXT_LEVEL=1.0
-PRETTY_NAME="Azure Container Linux 4459.2.2+97-g545e29b39d (ACL)"
-ANSI_COLOR="38;5;75"
-HOME_URL="https://flatcar.org/"
-BUG_REPORT_URL="https://issues.flatcar.org"
+PRETTY_NAME="Microsoft Azure Container Linux 3.0.20260311+053024-b84c192057-dirty"
+ANSI_COLOR="1;34"
+HOME_URL="https://aka.ms/azurelinux"
+BUG_REPORT_URL="https://aka.ms/azurelinux"
+SUPPORT_URL="https://aka.ms/azurelinux"
 FLATCAR_BOARD="amd64-usr"
-CPE_NAME="cpe:2.3:o:acl-linux:acl_linux:4459.2.2+97-g545e29b39d:*:*:*:*:*:*:*"
+CPE_NAME="cpe:2.3:o:microsoft:azure_container_linux:3.0.20260311+053024-b84c192057-dirty:*:*:*:*:*:*:*"