feat: RHEL EUS detection (#4023)

* feat: rhel eus detection Signed-off-by: Keith Zantow <kzantow@gmail.com> * chore: update tests Signed-off-by: Keith Zantow <kzantow@gmail.com> * chore: update more tests Signed-off-by: Keith Zantow <kzantow@gmail.com> * rename feature detection functions Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> --------- Signed-off-by: Keith Zantow <kzantow@gmail.com> Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> Co-authored-by: Alex Goodman <wagoodman@users.noreply.github.com>
2026-11-02 07:26:34 +01:00 · 2025-07-07 14:11:20 +00:00
parent 9cbd52bdd7
commit 02703d5c80
26 changed files with 3435 additions and 7 deletions
@@ -0,0 +1,61 @@
+package os
+
+import (
+	"context"
+	"fmt"
+	"regexp"
+
+	"github.com/anchore/syft/internal"
+	"github.com/anchore/syft/internal/log"
+	"github.com/anchore/syft/internal/sbomsync"
+	"github.com/anchore/syft/syft/file"
+	"github.com/anchore/syft/syft/linux"
+	"github.com/anchore/syft/syft/sbom"
+)
+
+func DetectFeatures(_ context.Context, resolver file.Resolver, builder sbomsync.Builder) error {
+	builder.(sbomsync.Accessor).WriteToSBOM(func(s *sbom.SBOM) {
+		if s.Artifacts.LinuxDistribution == nil {
+			return
+		}
+
+		err := findRhelFeatures(resolver, s.Artifacts.LinuxDistribution)
+		if err != nil {
+			log.WithFields("error", err, "release", s.Artifacts.LinuxDistribution).Trace("error searching for extended support")
+		}
+	})
+
+	return nil
+}
+
+func findRhelFeatures(resolver file.Resolver, release *linux.Release) error {
+	if release == nil || release.ID != "rhel" {
+		return nil
+	}
+	contentManifestFiles, err := resolver.FilesByGlob("/root/buildinfo/content_manifests/*.json")
+	if err != nil {
+		return fmt.Errorf("unable to find content manifests: %w", err)
+	}
+	for _, contentManifestFile := range contentManifestFiles {
+		found, err := hasRhelExtendedSupportInContentManifest(resolver, contentManifestFile)
+		if err != nil {
+			return fmt.Errorf("unable to read content manifest from %s: %w", contentManifestFile.String(), err)
+		}
+		if found {
+			release.ExtendedSupport = true
+			break
+		}
+	}
+	return nil
+}
+
+func hasRhelExtendedSupportInContentManifest(resolver file.Resolver, contentManifestFile file.Location) (bool, error) {
+	contents, err := resolver.FileContentsByLocation(contentManifestFile)
+	if err != nil {
+		return false, fmt.Errorf("unable to read content manifest from %s: %w", contentManifestFile.String(), err)
+	}
+	defer internal.CloseAndLogError(contents, "content-manifest")
+
+	patterns := []*regexp.Regexp{regexp.MustCompile(`baseos-eus`), regexp.MustCompile(`baseos-eus|appstream-eus`)}
+	return internal.MatchAnyFromReader(contents, patterns...)
+}