Conditionally install cockpit-docker

tasks/main.yml

@@ -7,6 +7,17 @@
     state: present
   loop: "{{ cockpit_packages }}"
 
+- name: find if docker is installed
+  docker_host_info:
+  register: docker
+  ignore_errors: yes
+
+- name: ensure cockpit-docker is installed
+  apt:
+    name: cockpit-docker
+    state: present
+  when: docker.host_info is defined
+
 - name: disable cockpit selfsigned TLS
   ini_file:
     dest: "/etc/cockpit/cockpit.conf"