liquidctl

_grains/lsusb.py

@@ -0,0 +1,25 @@
+import re
+from subprocess import check_output
+
+def main():
+    dev_re = re.compile(r"Bus\s+(\d+)\s+Device\s+(\d+):\s+ID\s(\w+:\w+)\s(.+)$")
+    lsusb = check_output("lsusb", encoding='UTF-8')
+    devices = []
+    corsair_aio = None
+    for line in lsusb.splitlines():
+        info = dev_re.match(line)
+        if not info:
+            continue
+        bus, device, dev_id, tag = info.groups()
+        dev_info = {
+            "device": f"/dev/bus/usb/{bus}/{device}",
+            "id": dev_id,
+            "tag": tag,
+        }
+        if tag.startswith('Corsair H'):
+            corsair_aio = tag.split(maxsplit=3)[1]
+        devices.append(dev_info)
+    return {
+        'corsair_aio': corsair_aio,
+        'lsusb': devices,
+    }

liquidctl/files/liquidcfg.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=AIO startup service
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/root/liquidctl/bin/liquidctl --match {{ salt.grains.get('corsair_aio') }} initialize --pump-mode=extreme
+ExecStart=/root/liquidctl/bin/liquidctl --match {{ salt.grains.get('corsair_aio') }} set fan speed 90
+
+[Install]
+WantedBy=default.target

liquidctl/init.sls

@@ -0,0 +1,36 @@
+# Ref: https://github.com/liquidctl/liquidctl#set-up-linux-using-systemd
+
+{% set venv = '/usr/local/lib/liquidctl' %}
+
+setup liquidctl venv:
+  cmd.run:
+    - name: python3 -m venv {{ venv }}
+    - creates: {{ venv }}
+
+install liquidctl:
+  cmd.run:
+    - name: {{ venv }}/bin/pip3 install liquidctl
+    - unless: /usr/local/lib/liquidctl/bin/pip3 freeze | grep -q ^liquidctl==
+    - require:
+      - cmd: setup liquidctl venv
+
+/etc/systemd/system/liquidcfg.service:
+  file.managed:
+    - template: jinja
+    - user: root
+    - group: root
+    - mode: 644
+    - source: salt://liquidctl/files/liquidcfg.service
+
+systemd reload for liquidcfg.service:
+  module.run:
+    - name: service.systemctl_reload
+    - onchanges:
+      - file: /etc/systemd/system/liquidcfg.service
+
+liquidcfg.service:
+  service.running:
+    - enable: true
+    - watch:
+      - file: /etc/systemd/system/liquidcfg.service
+      - module: systemd reload for liquidcfg.service

salt/configs.sls

@@ -0,0 +1,11 @@
+{% from "salt/map.jinja" import salt_daemons with context %}
+
+{% for daemon in salt_daemons %}
+/etc/salt/{{ daemon }}:
+  file.managed:
+    - source: salt://salt/files/{{ daemon }}.jinja
+    - template: jinja
+    - user: root
+    - group: root
+    - mode: 644
+{% endfor %}

salt/init.sls

@@ -1,6 +1,5 @@
-{% from "salt/map.jinja" import salt_daemons with context %}
-
 include:
+  - salt.configs
 {% if grains['osarch'].lower().startswith('arm') %}
   - salt.pypi_install
 {% elif grains['os_family'] == 'Debian' %}
@@ -11,12 +10,6 @@ include:
   {{ raise("Unsupported grains.os") }}
 {% endif %}
 
-{% for daemon in salt_daemons %}
+saltutil.sync_all:
-/etc/salt/{{ daemon }}:
+  saltutil.sync_all:
-  file.managed:
+    - refresh: True
-    - source: salt://salt/files/{{ daemon }}.jinja
-    - template: jinja
-    - user: root
-    - group: root
-    - mode: 644
-{% endfor %}

top.sls

@@ -13,6 +13,9 @@
 {% endif %}
 {% if salt.pillar.get("gitea", None) is not none %}
     - gitea
+{% endif %}
+{% if salt.grains.get('corsair_aio', None) %}
+    - liquidctl
 {% endif %}
   '*.keiran.us':
     - firewall