[service] make cron optional

group_vars/dhcp.yml

@@ -8,6 +8,7 @@ glob_service_dhcp:
   name: dhcp
   install_dir: /var/local/services/dhcp
   generated: yes
+  cron:
     frequency: "*/2 * * * *"
     options: -q
   dependencies:

group_vars/firewall.yml

@@ -1,6 +1,7 @@
 glob_service_firewall:
   name: firewall
   install_dir: /var/local/services/firewall
+  cron:
     frequency: "*/2 * * * *"
     options: -q
   dependencies:

host_vars/routeur-gulp.cachan-adm.crans.org/prefix_delegation.yml

@@ -6,6 +6,7 @@ loc_service_prefix_delegation:
     user: services
     password: "{{ vault.re2o_service_password }}"
   name: prefix_delegation
+  cron:
     install_dir: /var/local/services/prefix_delegation
     frequency: "*/5 * * * *"
   dependencies:

roles/service/tasks/main.yml

@@ -7,6 +7,7 @@
   register: apt_result
   retries: 3
   until: apt_result is succeeded
+  when: service.dependencies is defined
 
 - name: Create service directory
   file:
@@ -54,6 +55,7 @@
   template:
     src: cron.d/service.j2
     dest: "/etc/cron.d/services-{{ service.name }}"
+  when: service.cron is defined
 
 - name: Deploy service configuration
   template:

roles/service/templates/cron.d/service.j2

@@ -1,2 +1,2 @@
 {{ ansible_header | comment }}
-{{ service.frequency }} root /usr/bin/python3 {{ service.install_dir }}/{{ service.name }}.py {{ service.options | default("") }}
+{{ service.cron.frequency }} root /usr/bin/python3 {{ service.install_dir }}/{{ service.name }}.py {{ service.cron.options | default("") }}