Add binary skip option

install.sh

@@ -269,13 +269,13 @@ setup_env() {
 }
 
 # --- check if skip download environment variable set ---
-can_skip_download() {
-    if [ "${INSTALL_K3S_SKIP_DOWNLOAD}" != true ]; then
+can_skip_download_binary() {
+    if [ "${INSTALL_K3S_SKIP_DOWNLOAD}" != true ] && [ "${INSTALL_K3S_SKIP_DOWNLOAD}" != "binary" ]; then
         return 1
     fi
 }
 
-can_skip_selinux_download() {                                                        
+can_skip_download_selinux() {                                                        
     if [ "${INSTALL_K3S_SKIP_DOWNLOAD}" != true ] && [ "${INSTALL_K3S_SKIP_DOWNLOAD}" != "selinux" ]; then 
         return 1                                                                     
     fi                                                                               
@@ -489,7 +489,7 @@ setup_selinux() {
     ${package_installer} install -y https://${rpm_site}/k3s/${rpm_channel}/common/${rpm_site_infix}/noarch/k3s-selinux-0.4-1.${rpm_target}.noarch.rpm
 "
 
-    if [ "$INSTALL_K3S_SKIP_SELINUX_RPM" = true ] || can_skip_selinux_download || [ ! -d /usr/share/selinux ]; then
+    if [ "$INSTALL_K3S_SKIP_SELINUX_RPM" = true ] || can_skip_download_selinux || [ ! -d /usr/share/selinux ]; then
         info "Skipping installation of SELinux RPM"
     elif  [ "${ID_LIKE:-}" != coreos ] && [ "${VARIANT_ID:-}" != coreos ]; then
         install_selinux_rpm ${rpm_site} ${rpm_channel} ${rpm_target} ${rpm_site_infix}
@@ -558,7 +558,7 @@ EOF
 
 # --- download and verify k3s ---
 download_and_verify() {
-    if can_skip_download; then
+    if can_skip_download_binary; then
        info 'Skipping k3s download and verify'
        verify_k3s_is_executable
        return