Ansible Role Cron

Description

❕ Before using this role, please know that all my Ansible roles are fully written and accustomed to my IT infrastructure. So, even if they are as generic as possible they will not necessarily fill your needs, I advice you to carrefully analyse what they do and evaluate their capability to be installed securely on your servers.

This roles install and configure cron daemon and host crontabs.

Requirements

Require Ansible >= 2.4

Dependencies

OS Family

This role is available for Debian and CentOS

Features

At this day the role can be used to :

install and configure cron daemon
setup crontabs environment variables
declare cron jobs on host

Configuration

All variables which can be overridden are stored in defaults/main.yml file as well as in table below. To see default values please refer to this file.

Name	Types/Values	Description
cron__exec_path	String	The PATH value for the cron tasks
cron__global_envs	Dict of String	List of global cron environment values
cron__group_envs	Dict of String	List of group cron environment values (only one group is supported)
cron__host_envs	Dict of String	List of host cron environment values
cron__global_jobs	Dict of String	List of global cron jobs/tasks
cron__group_jobs	Dict of String	List of hostgroup cron jobs/tasks
cron__host_jobs	Dict of String	List of host cron jobs/tasks

Example

Playbook

Use it in a playbook as follows:

- hosts: all
  roles:
    - turgon37.cron

Inventory

cron__global_envs:
  MAILTO: 'admin@example.com'
  PATH: '/sbin:/bin:/usr/sbin:/usr/bin'
cron__host_jobs:
  docker_clean_dangling_images:
    minute: 5
    hour: 0
    weekday: mon
    user: root
    job: >-
      imgs=$(docker images -f 'dangling=true' -q);
      if [ -n $imgs ]; then
      docker rmi $imgs 1>/dev/null;
      fi

Turgon37/ansible-cron