roles: kubernetes: preinstall: Add SUSE support

Add support for installing package dependencies and refreshing metadata
on SUSE distributions

Co-authored-by: Nirmoy Das <ndas@suse.de>

roles/kubernetes/preinstall/tasks/main.yml

@@ -143,6 +143,15 @@
     - not is_atomic
   tags: bootstrap-os
 
+- name: Update package management cache (zypper) - SUSE
+  shell: zypper -n --gpg-auto-import-keys ref
+  register: make_cache_output
+  until: make_cache_output|succeeded
+  retries: 4
+  delay: "{{ retry_stagger | random + 3 }}"
+  when:
+    - ansible_pkg_mgr == 'zypper'
+  tags: bootstrap-os
 
 - name: Update package management cache (APT)
   apt:

roles/kubernetes/preinstall/tasks/verify-settings.yml

@@ -12,7 +12,7 @@
 
 - name: Stop if unknown OS
   assert:
-    that: ansible_distribution in ['RedHat', 'CentOS', 'Fedora', 'Ubuntu', 'Debian', 'CoreOS', 'Container Linux by CoreOS']
+    that: ansible_distribution in ['RedHat', 'CentOS', 'Fedora', 'Ubuntu', 'Debian', 'CoreOS', 'Container Linux by CoreOS', 'openSUSE Leap', 'openSUSE Tumbleweed']
   ignore_errors: "{{ ignore_assert_errors }}"
 
 - name: Stop if unknown network plugin

roles/kubernetes/preinstall/vars/suse.yml

@@ -0,0 +1,4 @@
+---
+required_pkgs:
+  - device-mapper
+  - ebtables