Add support for Rocky 9

docs/operations/images.md

@@ -49,6 +49,7 @@ The following table provides the support status for various distros with regards
 | [RHEL 8](#rhel-8)                       |         1.15 |   1.18 |          - |       - |
 | [RHEL 9](#rhel-9)                       |         1.27 |      - |          - |       - |
 | [Rocky 8](#rocky-8)                     |       1.23.2 |   1.24 |          - |       - |
+| [Rocky 9](#rocky-9)                     |         1.30 |      - |          - |       - |
 | Ubuntu 16.04                            |          1.5 |   1.10 |       1.17 |    1.20 |
 | Ubuntu 18.04                            |         1.10 |   1.16 |       1.26 |    1.28 |
 | [Ubuntu 20.04](#ubuntu-2004-focal)      |       1.16.2 |   1.18 |          - |       - |
@@ -209,6 +210,20 @@ aws ec2 describe-images --region us-east-1 --output table \
   --filters "Name=name,Values=Rocky-8-ec2-8.*.*"
 ```
 
+### Rocky 9
+
+Rocky Linux 9 is based on Kernel version **5.14**.
+
+Available images can be listed using:
+
+```bash
+aws ec2 describe-images --region us-east-1 --output table \
+  --owners 792107900819 \
+  --query "sort_by(Images, &CreationDate)[*].[CreationDate,Name,ImageId]" \
+  --filters "Name=name,Values=Rocky-9-EC2-Base-9.*.*"
+```
+
+
 ### Ubuntu 20.04 (Focal)
 
 Ubuntu 20.04 is based on Kernel version **5.4** which fixes all the known major Kernel bugs.

upup/pkg/fi/nodeup/nodetasks/package.go

@@ -22,6 +22,7 @@ import (
 	"os/exec"
 	"path"
 	"reflect"
+	"slices"
 	"strings"
 	"sync"
 
@@ -326,7 +327,11 @@ func (_ *Package) RenderLocal(t *local.LocalTarget, a, e, changes *Package) erro
 			args = []string{"apt-get", "install", "--yes", "--no-install-recommends"}
 			env = append(env, "DEBIAN_FRONTEND=noninteractive")
 		} else if d.IsRHELFamily() {
-			if d == distributions.DistributionRhel8 || d == distributions.DistributionRocky8 || d == distributions.DistributionRhel9 {
+
+			if slices.Contains([]distributions.Distribution{
+				distributions.DistributionRhel8, distributions.DistributionRocky8,
+				distributions.DistributionRhel9, distributions.DistributionRocky9,
+			}, d) {
 				args = []string{"/usr/bin/dnf", "install", "-y", "--setopt=install_weak_deps=False"}
 			} else {
 				args = []string{"/usr/bin/yum", "install", "-y"}

util/pkg/distributions/distributions.go

@@ -49,6 +49,7 @@ var (
 	DistributionRhel8           = Distribution{packageFormat: "rpm", project: "rhel", id: "rhel8", version: 8}
 	DistributionRhel9           = Distribution{packageFormat: "rpm", project: "rhel", id: "rhel9", version: 9}
 	DistributionRocky8          = Distribution{packageFormat: "rpm", project: "rocky", id: "rocky8", version: 8}
+	DistributionRocky9          = Distribution{packageFormat: "rpm", project: "rocky", id: "rocky9", version: 9}
 	DistributionFlatcar         = Distribution{packageFormat: "", project: "flatcar", id: "flatcar", version: 0}
 	DistributionContainerOS     = Distribution{packageFormat: "", project: "containeros", id: "containeros", version: 0}
 )

util/pkg/distributions/identify.go

@@ -82,6 +82,9 @@ func FindDistribution(rootfs string) (Distribution, error) {
 	if strings.HasPrefix(distro, "rocky-8.") {
 		return DistributionRocky8, nil
 	}
+	if strings.HasPrefix(distro, "rocky-9.") {
+		return DistributionRocky9, nil
+	}
 
 	// Some distros are not supported
 	klog.V(2).Infof("Contents of /etc/os-release:\n%s", osReleaseBytes)

util/pkg/distributions/identify_test.go

@@ -109,6 +109,11 @@ func TestFindDistribution(t *testing.T) {
 			err:      nil,
 			expected: DistributionRocky8,
 		},
+		{
+			rootfs:   "rocky9",
+			err:      nil,
+			expected: DistributionRocky9,
+		},
 		{
 			rootfs:   "ubuntu1604",
 			err:      fmt.Errorf("unsupported distro: ubuntu-16.04"),

util/pkg/distributions/tests/rocky9/etc/os-release

@@ -0,0 +1,17 @@
+NAME="Rocky Linux"
+VERSION="9.4 (Blue Onyx)"
+ID="rocky"
+ID_LIKE="rhel centos fedora"
+VERSION_ID="9.4"
+PLATFORM_ID="platform:el9"
+PRETTY_NAME="Rocky Linux 9.4 (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="9.4"
+REDHAT_SUPPORT_PRODUCT="Rocky Linux"
+REDHAT_SUPPORT_PRODUCT_VERSION="9.4"