zfs_host: zed and pool capacity and scrub metrics for the node exporter textfile collector

2026-10-25 15:09:50 +00:00
parent f91a9b8fc9
commit 89821b479b
5 changed files with 110 additions and 0 deletions
@@ -0,0 +1,41 @@
+---
+# ZFS event daemon and pool metrics for the node exporter. zed keeps its default zed.rc and
+# logs to the journal, which journal_upload ships.
+- name: Install the ZFS event daemon
+  ansible.builtin.apt:
+    name: zfs-zed
+    install_recommends: false
+    state: present
+
+- name: Enable the ZFS event daemon
+  ansible.builtin.systemd:
+    name: zfs-zed
+    enabled: true
+    state: started
+  # Check mode does not install the package.
+  ignore_errors: "{{ ansible_check_mode }}"
+
+- name: Install the pool metrics script
+  ansible.builtin.template:
+    src: zfs-pool-metrics.j2
+    dest: /usr/local/sbin/zfs-pool-metrics
+    mode: "0755"
+
+- name: Install the pool metrics units
+  ansible.builtin.template:
+    src: "{{ item }}.j2"
+    dest: /etc/systemd/system/{{ item }}
+    mode: "0644"
+  loop:
+    - zfs-pool-metrics.service
+    - zfs-pool-metrics.timer
+  register: zfs_host_units
+
+- name: Enable the pool metrics timer
+  ansible.builtin.systemd:
+    name: zfs-pool-metrics.timer
+    enabled: true
+    state: started
+    daemon_reload: "{{ zfs_host_units.changed }}"
+  # Check mode does not write the units.
+  ignore_errors: "{{ ansible_check_mode }}"