Allow SELinuix on RHEL family

[dereknola]

Changes

• Stop disabling SELinux, we now properly install the correct RPM for each distro

Testing

HA setup of Rocky 8 Nodes
extra_server_args: "--selinux"

See selinux properly applied on all nodes:

[root@server-1 vagrant]# semanage fcontext -l | grep k3s
/etc/systemd/system/k3s.*                          regular file       system_u:object_r:container_unit_file_t:s0 
/usr/lib/systemd/system/k3s.*                      regular file       system_u:object_r:container_unit_file_t:s0 
/usr/local/lib/systemd/system/k3s.*                regular file       system_u:object_r:container_unit_file_t:s0 
/usr/local/s?bin/k3s                               regular file       system_u:object_r:container_runtime_exec_t:s0 
/usr/s?bin/k3s                                     regular file       system_u:object_r:container_runtime_exec_t:s0 
/var/lib/rancher/k3s(/.*)?                         all files          system_u:object_r:container_var_lib_t:s0 
/var/lib/rancher/k3s/agent/containerd/[^/]*/sandboxes(/.*)? all files          system_u:object_r:container_ro_file_t:s0 
/var/lib/rancher/k3s/agent/containerd/[^/]*/snapshots directory          system_u:object_r:container_file_t:s0 
/var/lib/rancher/k3s/agent/containerd/[^/]*/snapshots/[^/]* directory          system_u:object_r:container_file_t:s0 
/var/lib/rancher/k3s/agent/containerd/[^/]*/snapshots/[^/]*/.* all files          <<None>>
/var/lib/rancher/k3s/data(/.*)?                    all files          system_u:object_r:k3s_data_t:s0 
/var/lib/rancher/k3s/data/.lock                    regular file       system_u:object_r:k3s_lock_t:s0 
/var/lib/rancher/k3s/data/[^/]*/bin(/.*)?          all files          system_u:object_r:k3s_root_t:s0 
/var/lib/rancher/k3s/data/[^/]*/bin/[.]links       regular file       system_u:object_r:k3s_data_t:s0 
/var/lib/rancher/k3s/data/[^/]*/bin/[.]sha256sums  regular file       system_u:object_r:k3s_data_t:s0 
/var/lib/rancher/k3s/data/[^/]*/bin/cni            regular file       system_u:object_r:container_runtime_exec_t:s0 
/var/lib/rancher/k3s/data/[^/]*/bin/containerd     regular file       system_u:object_r:container_runtime_exec_t:s0 
/var/lib/rancher/k3s/data/[^/]*/bin/containerd-shim regular file       system_u:object_r:container_runtime_exec_t:s0 
/var/lib/rancher/k3s/data/[^/]*/bin/containerd-shim-runc-v[12] regular file       system_u:object_r:container_runtime_exec_t:s0 
/var/lib/rancher/k3s/data/[^/]*/bin/runc           regular file       system_u:object_r:container_runtime_exec_t:s0 
/var/lib/rancher/k3s/data/[^/]*/etc(/.*)?          all files          system_u:object_r:container_config_t:s0 
/var/lib/rancher/k3s/storage(/.*)?                 all files          system_u:object_r:container_file_t:s0 
/var/run/k3s(/.*)?                                 all files          system_u:object_r:container_var_run_t:s0 
/var/run/k3s/containerd/[^/]*/sandboxes/[^/]*/shm(/.*)? all files          system_u:object_r:container_runtime_tmpfs_t:s0 
[root@server-1 vagrant]# kubectl get nodes
NAME       STATUS   ROLES                       AGE   VERSION
agent-0    Ready    <none>                      63s   v1.26.9+k3s1
server-0   Ready    control-plane,etcd,master   68s   v1.26.9+k3s1
server-1   Ready    control-plane,etcd,master   35s   v1.26.9+k3s1
server-2   Ready    control-plane,etcd,master   50s   v1.26.9+k3s1

Linked Issues

#240