From f839bd1db9f3d7f5b664d0e7d4f1f1f0eb02d3da Mon Sep 17 00:00:00 2001
From: Markus Hauschild <markus@moepman.eu>
Date: Sat, 2 Mar 2024 21:01:42 +0100
Subject: [PATCH] icinga_agent: add basic disk monitoring

---
 roles/icinga-monitor/tasks/disk.yml    | 17 +++++++++++++++++
 roles/icinga-monitor/templates/disk.j2 |  8 ++++++++
 roles/icinga_agent/tasks/main.yml      |  7 +++++++
 3 files changed, 32 insertions(+)
 create mode 100644 roles/icinga-monitor/tasks/disk.yml
 create mode 100644 roles/icinga-monitor/templates/disk.j2

diff --git a/roles/icinga-monitor/tasks/disk.yml b/roles/icinga-monitor/tasks/disk.yml
new file mode 100644
index 0000000..4948c02
--- /dev/null
+++ b/roles/icinga-monitor/tasks/disk.yml
@@ -0,0 +1,17 @@
+---
+
+- name: Configure monitoring for disk
+  template:
+    src: disk.j2
+    dest: /etc/icinga2/conf.d/hosts/{{ inventory_hostname }}.disk
+    owner: "{{ icinga_user }}"
+    group: "{{ icinga_group }}"
+  delegate_to: "{{ icinga_server }}"
+
+- name: Regenerate hosts.conf
+  assemble:
+    src: /etc/icinga2/conf.d/hosts
+    dest: /etc/icinga2/conf.d/hosts.conf
+#   validate: /usr/sbin/icinga2 daemon -c %s --validate
+  notify: Restart icinga2
+  delegate_to: "{{ icinga_server }}"
diff --git a/roles/icinga-monitor/templates/disk.j2 b/roles/icinga-monitor/templates/disk.j2
new file mode 100644
index 0000000..090dc0f
--- /dev/null
+++ b/roles/icinga-monitor/templates/disk.j2
@@ -0,0 +1,8 @@
+{% for disk in disks %}
+
+  vars.disks["{{ disk }}"] = {
+    disk_partitions = "{{ disks }}"
+    disk_wfree = "10%"
+    disk_cfree = "5%"
+  }
+{% endfor %}
diff --git a/roles/icinga_agent/tasks/main.yml b/roles/icinga_agent/tasks/main.yml
index 221714a..283024a 100644
--- a/roles/icinga_agent/tasks/main.yml
+++ b/roles/icinga_agent/tasks/main.yml
@@ -56,3 +56,10 @@
       - --accept-commands
       - --accept-config
   when: not cert_file.stat.exists
+
+# TODO expand this to cover more than just the root partition
+- name: Monitor disks
+  include_role: name=icinga-monitor tasks_from=disk
+  vars:
+    disks:
+    - "/"