feat(cron): allow to run fusioninventory with a cronjob

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ### Enhancement
 * Upgrade package version from URL from 2.4 to 2.6 (thanks to @roumano - issue #15).
+* Allow running the agent with a cron job instead of the service (thanks to @yodabzh - issue #18)
 
 ### Fix
 * Switch to Github URL to download deb file (thanks to @roumano - PR #16).

README.md

@@ -25,6 +25,17 @@ A role to manage FusionInventory agent installation and configuration.
 * **fusioninventory__agent_service_manage** : If the fusioninventory agent service should be managed [default : `true`].
 * **fusioninventory__agent_conf_src** : Template used to provide agent configuration file [default : `../templates/etc/fusioninventory/agent.cfg.j2`].
 
+## Cron variables
+
+* **fusioninventory__agent_conf_cron**: Enable (`"present"`) or disable (`"absent"`) a job cron to run the agent [default : `"absent"`].
+* **fusioninventory__agent_conf_cron_day**: Which days should the agent be ran [default : `"*"`].
+* **fusioninventory__agent_conf_cron_hour**: Which hours should the agent be ran [default : `"23"`].
+* **fusioninventory__agent_conf_cron_minute**: Which minutes should the agent be ran [default : `"0"`].
+* **fusioninventory__agent_conf_cron_month**: Which months should the agent be ran [default : `"*"`].
+* **fusioninventory__agent_conf_cron_weekday**: Which weekdays should the agent be ran [default : `"*"`].
+* **fusioninventory__agent_conf_cron_user**: Which user should the agent be ran under [default : `"root"`].
+* **fusioninventory__agent_conf_command**: The command should cron run [default : `"sleep $(( RANDOM \\% 3600 )); /usr/bin/fusioninventory-agent"`].
+
 ### Config Specific Variables
 
 Some variables used to generate FusionInventery agent.cfg file from Ansible template :

defaults/main.yml

@@ -59,7 +59,66 @@ fusioninventory__agent_service_name: 'fusioninventory-agent'
 fusioninventory__agent_service_manage: true
 
                                                                    # ]]]
+
+# Cron configuration [[[
+# -----------------------------
+# .. envvar:: fusioninventory__agent_conf_cron [[[
+#
+# Instead of running as an agent, run by cron. Can be "absent" or "present"
+#
+fusioninventory__agent_conf_cron: "absent"
                                                                    # ]]]
+
+# .. envvar:: fusioninventory__agent_conf_cron_day [[[
+#
+# Which days should the agent be ran
+#
+fusioninventory__agent_conf_cron_day: "*"
+                                                                   # ]]]
+
+# .. envvar:: fusioninventory__agent_conf_cron_hour [[[
+#
+# Which hours should the agent be ran
+#
+fusioninventory__agent_conf_cron_hour: "23"
+                                                                   # ]]]
+
+# .. envvar:: fusioninventory__agent_conf_cron_minute [[[
+#
+# Which minutes should the agent be ran
+#
+fusioninventory__agent_conf_cron_minute: "0"
+                                                                   # ]]]
+
+# .. envvar:: fusioninventory__agent_conf_cron_month [[[
+#
+# Which months should the agent be ran
+#
+fusioninventory__agent_conf_cron_month: "*"
+                                                                   # ]]]
+
+# .. envvar:: fusioninventory__agent_conf_cron_weekday [[[
+#
+# Which weekdays should the agent be ran
+#
+fusioninventory__agent_conf_cron_weekday: "*"
+                                                                   # ]]]
+
+# .. envvar:: fusioninventory__agent_conf_cron_user [[[
+#
+# Which user should the agent be ran under
+#
+fusioninventory__agent_conf_cron_user: "root"
+                                                                   # ]]]
+
+# .. envvar:: fusioninventory__agent_conf_command [[[
+#
+# The command should cron run
+#
+fusioninventory__agent_conf_command: "sleep $(( RANDOM \\% 3600 )); /usr/bin/fusioninventory-agent"
+                                                                   # ]]]
+                                                                   # ]]]
+
 # Configuration [[[
 # -----------------------------
 

tasks/main.yml

@@ -56,3 +56,17 @@
     mode: '0644'
   when: fusioninventory__agent_deploy_state == "present"
   notify: ['restart fusioninventory-agent service']
+
+
+- name: "Create cron entry when needed"
+  cron:
+    name: fusion-inventory-oneshot
+    cron_file: fusion-inventory-oneshot
+    day: "{{ fusioninventory__agent_conf_cron_day }}"
+    hour: "{{ fusioninventory__agent_conf_cron_hour }}"
+    minute: "{{ fusioninventory__agent_conf_cron_minute }}"
+    month: "{{ fusioninventory__agent_conf_cron_month }}"
+    weekday: "{{ fusioninventory__agent_conf_cron_weekday }}"
+    user: "{{ fusioninventory__agent_conf_cron_user }}"
+    state: "{{ fusioninventory__agent_conf_cron }}"
+    job: "{{ fusioninventory__agent_conf_command }}"