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iiab/roles/munin/tasks/install.yml

78 lines
2.6 KiB
YAML

- name: Record (initial) disk space used
shell: df -B1 --output=used / | tail -1
register: df1
# SEE ALSO roles/network/tasks/install.yml
- name: "TEMPORARILY REVERT net.ipv6.conf.all.disable_ipv6 to 0 in /etc/sysctl.conf for #3434"
sysctl:
name: net.ipv6.conf.all.disable_ipv6
value: 0
- name: "Install 4 packages: libcgi-fast-perl, munin, munin-node, munin-plugins-extra"
package:
name:
#- libapache2-mod-fcgid
- libcgi-fast-perl
- munin
- munin-node
- munin-plugins-extra
#- python3-passlib # For Ansible module 'htpasswd' in Ansible collection community.general -- used just below
state: present
- name: pip install 'passlib' into venv /usr/local/ansible -- for Ansible module 'htpasswd' in Ansible collection community.general -- used just below
pip:
name: passlib
virtualenv: /usr/local/ansible
extra_args: "--upgrade --no-cache-dir --prefer-binary" # 2023-10-01: Lifesaver when recent wheels (e.g. piwheels.org) are inevitably not yet built! SEE #3560
# SEE ALSO roles/network/tasks/install.yml
- name: RESTORE net.ipv6.conf.all.disable_ipv6 to 1 in /etc/sysctl.conf for #3434
sysctl:
name: net.ipv6.conf.all.disable_ipv6
value: 1
- name: Establish username/password Admin/changeme in /etc/munin/munin-htpasswd
htpasswd:
path: /etc/munin/munin-htpasswd
name: "{{ munin_username}}" # Admin
password: "{{ munin_password }}" # changeme
- name: If MySQL is installed, let Munin monitor it
copy:
src: "{{ item }}"
dest: /etc/munin/plugins/
with_items:
- /usr/share/munin/plugins/mysql_
- /usr/share/munin/plugins/mysql_bytes
- /usr/share/munin/plugins/mysql_innodb
- /usr/share/munin/plugins/mysql_isam_space_
- /usr/share/munin/plugins/mysql_queries
- /usr/share/munin/plugins/mysql_slowqueries
- /usr/share/munin/plugins/mysql_threads
when: mysql_installed
#when: mysql_enabled
# RECORD Munin AS INSTALLED
- name: Record (final) disk space used
shell: df -B1 --output=used / | tail -1
register: df2
- name: Add 'munin_disk_usage = {{ df2.stdout|int - df1.stdout|int }}' to {{ iiab_ini_file }}
ini_file:
path: "{{ iiab_ini_file }}" # /etc/iiab/iiab.ini
section: munin
option: munin_disk_usage
value: "{{ df2.stdout|int - df1.stdout|int }}"
- name: "Set 'munin_installed: True'"
set_fact:
munin_installed: True
- name: "Add 'munin_installed: True' to {{ iiab_state_file }}"
lineinfile:
path: "{{ iiab_state_file }}" # /etc/iiab/iiab_state.yml
regexp: '^munin_installed'
line: 'munin_installed: True'