feat(redhat): add os-release detection for RHEL-based images (#9458)

Co-authored-by: DmitriyLewen <dmitriy.lewen@smartforce.io>

pkg/fanal/analyzer/os/release/release.go

@@ -27,7 +27,8 @@ var requiredFiles = []string{
 type osReleaseAnalyzer struct{}
 
 func (a osReleaseAnalyzer) Analyze(_ context.Context, input analyzer.AnalysisInput) (*analyzer.AnalysisResult, error) {
-	var id, versionID string
+	var family types.OSType
+	var versionID string
 	scanner := bufio.NewScanner(input.Content)
 	for scanner.Scan() {
 		line := scanner.Text()
@@ -40,46 +41,14 @@ func (a osReleaseAnalyzer) Analyze(_ context.Context, input analyzer.AnalysisInp
 
 		switch key {
 		case "ID":
-			id = strings.Trim(value, `"'`)
+			id := strings.Trim(value, `"'`)
+			family = idToOSFamily(id)
 		case "VERSION_ID":
 			versionID = strings.Trim(value, `"'`)
 		default:
 			continue
 		}
 
-		var family types.OSType
-		switch id {
-		case "alpine":
-			family = types.Alpine
-		case "bottlerocket":
-			family = types.Bottlerocket
-		case "opensuse-tumbleweed":
-			family = types.OpenSUSETumbleweed
-		case "opensuse-leap", "opensuse": // opensuse for leap:42, opensuse-leap for leap:15
-			family = types.OpenSUSELeap
-		case "sles":
-			family = types.SLES
-		// There are various rebrands of SLE Micro, there is also one brief (and reverted rebrand)
-		// for SLE Micro 6.0. which was called "SL Micro 6.0" until very short before release
-		// and there is a "SLE Micro for Rancher" rebrand, which is used by SUSEs K8S based offerings.
-		case "sle-micro", "sl-micro", "sle-micro-rancher":
-			family = types.SLEMicro
-		case "photon":
-			family = types.Photon
-		case "wolfi":
-			family = types.Wolfi
-		case "chainguard":
-			family = types.Chainguard
-		case "azurelinux":
-			family = types.Azure
-		case "mariner":
-			family = types.CBLMariner
-		case "echo":
-			family = types.Echo
-		case "minimos":
-			family = types.MinimOS
-		}
-
 		if family != "" && versionID != "" {
 			return &analyzer.AnalysisResult{
 				OS: types.OS{
@@ -93,6 +62,54 @@ func (a osReleaseAnalyzer) Analyze(_ context.Context, input analyzer.AnalysisInp
 	return nil, nil
 }
 
+func idToOSFamily(id string) types.OSType {
+	switch id {
+	case "rhel":
+		return types.RedHat
+	case "centos":
+		return types.CentOS
+	case "rocky":
+		return types.Rocky
+	case "almalinux":
+		return types.Alma
+	case "ol":
+		return types.Oracle
+	case "fedora":
+		return types.Fedora
+	case "alpine":
+		return types.Alpine
+	case "bottlerocket":
+		return types.Bottlerocket
+	case "opensuse-tumbleweed":
+		return types.OpenSUSETumbleweed
+	case "opensuse-leap", "opensuse": // opensuse for leap:42, opensuse-leap for leap:15
+		return types.OpenSUSELeap
+	case "sles":
+		return types.SLES
+	// There are various rebrands of SLE Micro, there is also one brief (and reverted rebrand)
+	// for SLE Micro 6.0. which was called "SL Micro 6.0" until very short before release
+	// and there is a "SLE Micro for Rancher" rebrand, which is used by SUSEs K8S based offerings.
+	case "sle-micro", "sl-micro", "sle-micro-rancher":
+		return types.SLEMicro
+	case "photon":
+		return types.Photon
+	case "wolfi":
+		return types.Wolfi
+	case "chainguard":
+		return types.Chainguard
+	case "azurelinux":
+		return types.Azure
+	case "mariner":
+		return types.CBLMariner
+	case "echo":
+		return types.Echo
+	case "minimos":
+		return types.MinimOS
+	}
+	// This OS is not supported for this analyzer.
+	return ""
+}
+
 func (a osReleaseAnalyzer) Required(filePath string, _ os.FileInfo) bool {
 	return slices.Contains(requiredFiles, filePath)
 }

pkg/fanal/analyzer/os/release/release_test.go

@@ -19,6 +19,66 @@ func Test_osReleaseAnalyzer_Analyze(t *testing.T) {
 		want      *analyzer.AnalysisResult
 		wantErr   string
 	}{
+		{
+			name:      "Fedora",
+			inputFile: "testdata/fedora",
+			want: &analyzer.AnalysisResult{
+				OS: types.OS{
+					Family: types.Fedora,
+					Name:   "42",
+				},
+			},
+		},
+		{
+			name:      "Red Hat Enterprise Linux",
+			inputFile: "testdata/rhel",
+			want: &analyzer.AnalysisResult{
+				OS: types.OS{
+					Family: types.RedHat,
+					Name:   "9.4",
+				},
+			},
+		},
+		{
+			name:      "CentOS",
+			inputFile: "testdata/centos",
+			want: &analyzer.AnalysisResult{
+				OS: types.OS{
+					Family: types.CentOS,
+					Name:   "7",
+				},
+			},
+		},
+		{
+			name:      "Rocky Linux",
+			inputFile: "testdata/rocky",
+			want: &analyzer.AnalysisResult{
+				OS: types.OS{
+					Family: types.Rocky,
+					Name:   "9.3",
+				},
+			},
+		},
+		{
+			name:      "AlmaLinux",
+			inputFile: "testdata/alma",
+			want: &analyzer.AnalysisResult{
+				OS: types.OS{
+					Family: types.Alma,
+					Name:   "9.4",
+				},
+			},
+		},
+		{
+			name:      "Oracle Linux",
+			inputFile: "testdata/oracle",
+			want: &analyzer.AnalysisResult{
+				OS: types.OS{
+					Family: types.Oracle,
+					Name:   "8.10",
+				},
+			},
+		},
 		{
 			name:      "alpine",
 			inputFile: "testdata/alpine",

pkg/fanal/analyzer/os/release/testdata/alma

@@ -0,0 +1,19 @@
+NAME="AlmaLinux"
+VERSION="9.4 (Seafoam Ocelot)"
+ID="almalinux"
+ID_LIKE="rhel centos fedora"
+VERSION_ID="9.4"
+PLATFORM_ID="platform:el9"
+PRETTY_NAME="AlmaLinux 9.4 (Seafoam Ocelot)"
+ANSI_COLOR="0;34"
+LOGO="fedora-logo-icon"
+CPE_NAME="cpe:/o:almalinux:almalinux:9::baseos"
+HOME_URL="https://almalinux.org/"
+DOCUMENTATION_URL="https://wiki.almalinux.org/"
+BUG_REPORT_URL="https://bugs.almalinux.org/"
+
+ALMALINUX_MANTISBT_PROJECT="AlmaLinux-9"
+ALMALINUX_MANTISBT_PROJECT_VERSION="9.4"
+REDHAT_SUPPORT_PRODUCT="AlmaLinux"
+REDHAT_SUPPORT_PRODUCT_VERSION="9.4"
+SUPPORT_END=2032-06-01

pkg/fanal/analyzer/os/release/testdata/centos

@@ -0,0 +1,15 @@
+NAME="CentOS Linux"
+VERSION="7 (Core)"
+ID="centos"
+ID_LIKE="rhel fedora"
+VERSION_ID="7"
+PRETTY_NAME="CentOS Linux 7 (Core)"
+ANSI_COLOR="0;31"
+CPE_NAME="cpe:/o:centos:centos:7"
+HOME_URL="https://www.centos.org/"
+BUG_REPORT_URL="https://bugs.centos.org/"
+
+CENTOS_MANTISBT_PROJECT="CentOS-7"
+CENTOS_MANTISBT_PROJECT_VERSION="7"
+REDHAT_SUPPORT_PRODUCT="centos"
+REDHAT_SUPPORT_PRODUCT_VERSION="7"

pkg/fanal/analyzer/os/release/testdata/fedora

@@ -0,0 +1,23 @@
+NAME="Fedora Linux"
+VERSION="42 (Container Image)"
+RELEASE_TYPE=stable
+ID=fedora
+VERSION_ID=42
+VERSION_CODENAME=""
+PLATFORM_ID="platform:f42"
+PRETTY_NAME="Fedora Linux 42 (Container Image)"
+ANSI_COLOR="0;38;2;60;110;180"
+LOGO=fedora-logo-icon
+CPE_NAME="cpe:/o:fedoraproject:fedora:42"
+DEFAULT_HOSTNAME="fedora"
+HOME_URL="https://fedoraproject.org/"
+DOCUMENTATION_URL="https://docs.fedoraproject.org/en-US/fedora/f42/"
+SUPPORT_URL="https://ask.fedoraproject.org/"
+BUG_REPORT_URL="https://bugzilla.redhat.com/"
+REDHAT_BUGZILLA_PRODUCT="Fedora"
+REDHAT_BUGZILLA_PRODUCT_VERSION=42
+REDHAT_SUPPORT_PRODUCT="Fedora"
+REDHAT_SUPPORT_PRODUCT_VERSION=42
+SUPPORT_END=2026-05-13
+VARIANT="Container Image"
+VARIANT_ID=container

pkg/fanal/analyzer/os/release/testdata/oracle

@@ -0,0 +1,18 @@
+NAME="Oracle Linux Server"
+VERSION="8.10"
+ID="ol"
+ID_LIKE="fedora"
+VARIANT="Server"
+VARIANT_ID="server"
+VERSION_ID="8.10"
+PLATFORM_ID="platform:el8"
+PRETTY_NAME="Oracle Linux Server 8.10"
+ANSI_COLOR="0;31"
+CPE_NAME="cpe:/o:oracle:linux:8:10:server"
+HOME_URL="https://linux.oracle.com/"
+BUG_REPORT_URL="https://github.com/oracle/oracle-linux"
+
+ORACLE_BUGZILLA_PRODUCT="Oracle Linux 8"
+ORACLE_BUGZILLA_PRODUCT_VERSION=8.10
+ORACLE_SUPPORT_PRODUCT="Oracle Linux"
+ORACLE_SUPPORT_PRODUCT_VERSION=8.10

pkg/fanal/analyzer/os/release/testdata/rhel

@@ -0,0 +1,18 @@
+NAME="Red Hat Enterprise Linux"
+VERSION="9.4 (Plow)"
+ID="rhel"
+ID_LIKE="fedora"
+VERSION_ID="9.4"
+PLATFORM_ID="platform:el9"
+PRETTY_NAME="Red Hat Enterprise Linux 9.4 (Plow)"
+ANSI_COLOR="0;31"
+LOGO="fedora-logo-icon"
+CPE_NAME="cpe:/o:redhat:enterprise_linux:9::baseos"
+HOME_URL="https://www.redhat.com/"
+DOCUMENTATION_URL="https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9"
+BUG_REPORT_URL="https://issues.redhat.com/"
+
+REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 9"
+REDHAT_BUGZILLA_PRODUCT_VERSION=9.4
+REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
+REDHAT_SUPPORT_PRODUCT_VERSION="9.4"

pkg/fanal/analyzer/os/release/testdata/rocky

@@ -0,0 +1,17 @@
+NAME="Rocky Linux"
+VERSION="9.3 (Blue Onyx)"
+ID="rocky"
+ID_LIKE="rhel centos fedora"
+VERSION_ID="9.3"
+PLATFORM_ID="platform:el9"
+PRETTY_NAME="Rocky Linux 9.3 (Blue Onyx)"
+ANSI_COLOR="0;32"
+LOGO="fedora-logo-icon"
+CPE_NAME="cpe:/o:rocky:rocky:9::baseos"
+HOME_URL="https://rockylinux.org/"
+BUG_REPORT_URL="https://bugs.rockylinux.org/"
+SUPPORT_END="2032-05-31"
+ROCKY_SUPPORT_PRODUCT="Rocky-Linux-9"
+ROCKY_SUPPORT_PRODUCT_VERSION="9.3"
+REDHAT_SUPPORT_PRODUCT="Rocky Linux"
+REDHAT_SUPPORT_PRODUCT_VERSION="9.3"