logrotate

Install and configure logrotate on your system.

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Example Playbook

This example is taken from molecule/default/converge.yml and is tested on each push, pull request and release.

---
- name: converge
  hosts: all
  become: yes
  gather_facts: yes

  vars:
    logrotate_frequency: daily
    logrotate_keep: 7
    logrotate_compress: yes
    logrotate_entries:
      - name: example
        path: "/var/log/example/*.log"
      - name: example-frequency
        path: "/var/log/example-frequency/*.log"
        frequency: weekly
      - name: example-keep
        path: "/var/log/example-keep/*.log"
        keep: 14
      - name: example-compress
        path: "/var/log/example-compress/*.log"
        compress: yes
      - name: example-script
        path: "/var/log/example-script/*.log"
        postrotate: killall -HUP some_process_name
      - name: btmp
        path: /var/log/btmp
        missingok: yes
        frequency: monthly
        create: yes
        create_mode: "0660"
        create_user: root
        create_group: utmp
        keep: 1
      - name: wtmp
        path: /var/log/wtmp
        missingok: yes
        frequency: monthly
        create: yes
        create_mode: "0664"
        create_user: root
        create_group: utmp
        minsize: 1M
        keep: 1
      - name: dnf
        path: /var/log/hawkey.log
        missingok: yes
        notifempty: yes
        keep: 4
        frequency: weekly
        create: yes
      - name: example-sharedscripts
        path: "/var/log/example-sharedscripts/*.log"
        sharedscripts: yes

  roles:
    - role: robertdebock.logrotate

The machine needs to be prepared. In CI this is done using molecule/default/prepare.yml:

---
- name: prepare
  hosts: all
  become: yes
  gather_facts: no

  roles:
    - role: robertdebock.bootstrap
    - role: robertdebock.cron

  post_tasks:
    - name: create log directory
      ansible.builtin.file:
        path: "{{ item }}"
        state: directory
      loop:
        - /var/log/example
        - /var/log/example-frequency
        - /var/log/example-keep
        - /var/log/example-compress
        - /var/log/example-script
        - /var/log/example-sharedscripts

    - name: create log file
      ansible.builtin.copy:
        dest: "{{ item }}"
        content: "example"
      loop:
        - /var/log/example/app.log
        - /var/log/example-frequency/app.log
        - /var/log/example-keep/app.log
        - /var/log/example-compress/app.log
        - /var/log/example-script/app.log
        - /var/log/example-sharedscripts/app.log
        - /var/log/btmp
        - /var/log/wtmp
        - /var/log/hawkey.log

Also see a full explanation and example on how to use these roles.

Role Variables

The default values for the variables are set in defaults/main.yml:

---
# defaults file for logrotate

# How often to rotate logs, either daily, weekly or monthly.
logrotate_frequency: weekly

# How many files to keep.
logrotate_keep: 4

# Should rotated logs be compressed??
logrotate_compress: yes

# Use date extension on log file names
logrotate_dateext: no

# User/Group for rotated log files (Loaded by OS-Specific vars if found, or and can be set manually)
logrotate_user: "{{ _logrotate_user[ansible_distribution] | default(_logrotate_user['default'] ) }}"
logrotate_group: "{{ _logrotate_group[ansible_distribution] | default(_logrotate_group['default'] ) }}"