++

Signed-off-by: Denis Romanenko <denis.romanenko@flant.com>

modules/000-common/images/check-kernel-version/src/check-kernel-version.go

@@ -38,6 +38,10 @@ func main() {
 	utsname := unix.Utsname{}
 	unix.Uname(&utsname)
 	kernelVersion := string(utsname.Release[:])
+	/* Kernel version should be splitted to parts because versions `5.15.0-52-generic`
+	parses by semver as prerelease version. Prerelease versions by default come before stable versions
+	in the order of precedence, so in semver terms `5.15.0-52-generic` less than `5.15`.
+	More info - https://github.com/Masterminds/semver#working-with-prerelease-versions */
 	v, err := semver.NewVersion(strings.Split(kernelVersion, "-")[0])
 	if err != nil {
 		log.Fatal(err)

modules/002-deckhouse/hooks/check_kernel_versions.go

@@ -98,7 +98,10 @@ func filterNodes(obj *unstructured.Unstructured) (go_hook.FilterResult, error) {
 	if err != nil {
 		return nil, err
 	}
-
+	/* Kernel version should be splitted to parts because versions `5.15.0-52-generic`
+	parses by semver as prerelease version. Prerelease versions by default come before stable versions
+	in the order of precedence, so in semver terms `5.15.0-52-generic` less than `5.15`.
+	More info - https://github.com/Masterminds/semver#working-with-prerelease-versions */
 	v, err := semver.NewVersion(strings.Split(node.Status.NodeInfo.KernelVersion, "-")[0])
 	if err != nil {
 		return nil, fmt.Errorf("cannot parse kernel version %s for node %s: %v", node.Status.NodeInfo.KernelVersion, node.Name, err)