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# SPDX-FileCopyrightText: 2026 Matthew Fennell <matthew@fennell.dev>
#
# SPDX-License-Identifier: AGPL-3.0-or-later
---
- name: Ensure required packages are installed
ansible.builtin.apt:
name:
- libdbi-perl # Used by munin postgres plugins
- munin-node # Graphs and monitoring
state: present
update_cache: true
become: true
- name: Ensure munin-node tcp ports are open
community.general.ufw:
rule: allow
port: "{{ item }}"
proto: tcp
state: enabled
loop:
- 4949 # Munin
become: true
- name: Ensure munin is configured
ansible.builtin.template:
src: munin-node.conf.j2
dest: /etc/munin/munin-node.conf
owner: root
group: root
mode: "0644"
become: true
notify: Restart munin-node
- name: Ensure munin plugins are configured
ansible.builtin.file:
src: "/usr/share/munin/plugins/{{ item.src }}"
dest: "/etc/munin/plugins/{{ item.dest }}"
owner: root
group: root
state: link
become: true
with_items:
- src: apt_all
dest: apt_all
- src: cpu
dest: cpu
- src: df
dest: df
- src: df_abs
dest: df_abs
- src: df_inode
dest: df_inode
- src: diskstats
dest: diskstats
- src: entropy
dest: entropy
- src: forks
dest: forks
- src: fw_conntrack
dest: fw_conntrack
- src: fw_forwarded_local
dest: fw_forwarded_local
- src: fw_packets
dest: fw_packets
- src: if_
dest: if_enp1s0
- src: if_err_
dest: if_err_enp1s0
- src: irqstats
dest: irqstats
- src: load
dest: load
- src: memory
dest: memory
- src: netstat
dest: netstat
- src: open_files
dest: open_files
- src: open_inodes
dest: open_inodes
- src: postgres_autovacuum
dest: postgres_autovacuum
- src: postgres_bgwriter
dest: postgres_bgwriter
- src: postgres_cache_
dest: postgres_cache_prosody
- src: postgres_checkpoints
dest: postgres_checkpoints
- src: postgres_connections_
dest: postgres_connections_prosody
- src: postgres_connections_db
dest: postgres_connections_db
- src: postgres_locks_
dest: postgres_locks_prosody
- src: postgres_oldest_prepared_xact_
dest: postgres_oldest_prepared_xact_prosody
- src: postgres_prepared_xacts_
dest: postgres_prepared_xacts_prosody
- src: postgres_querylength_
dest: postgres_querylength_prosody
- src: postgres_scans_
dest: postgres_scans_prosody
- src: postgres_size_
dest: postgres_size_prosody
- src: postgres_streaming_
dest: postgres_streaming_prosody
- src: postgres_transactions_
dest: postgres_transactions_prosody
- src: postgres_tuples_
dest: postgres_tuples_prosody
- src: postgres_users
dest: postgres_users
- src: postgres_xlog
dest: postgres_xlog
- src: proc_pri
dest: proc_pri
- src: processes
dest: processes
- src: swap
dest: swap
- src: threads
dest: threads
- src: uptime
dest: uptime
- src: users
dest: users
- src: vmstat
dest: vmstat
notify: Restart munin-node
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