Add libvirt role for upcoming GitLab runner libvirt executor

playbooks/gitlab-runners.yml

@@ -11,4 +11,5 @@
     - { role: fail2ban }
     - { role: prometheus_exporters }
     - { role: promtail }
+    - { role: libvirt }
     - { role: gitlab_runner }

roles/libvirt/tasks/main.yml

+---
+- name: remove iptables to solve iptables<->iptables-nft conflict
+  pacman: name=iptables force=yes state=absent
+
+- name: install libvirt and needed optional dependencies
+  pacman: name=libvirt,virt-install,cdrtools,qemu-headless,dnsmasq,iptables-nft state=present
+  register: result
+
+- name: reload firewalld
+  service: name=firewalld state=reloaded
+  when: result.changed
+
+- name: autostart default network on boot
+  file: src=/etc/libvirt/qemu/networks/default.xml dest=/etc/libvirt/qemu/networks/autostart/default.xml state=link owner=root group=root
+
+- name: start and enable libvirtd
+  systemd: name=libvirtd enabled=yes state=started daemon_reload=yes