telegraf: add CPU temperature on Raspberry Pi

handlers/main.yml

@@ -17,6 +17,7 @@
     state: restarted
 
 - name: Enable and restart telegraf
+  become: yes
   service:
     name: telegraf
     state: restarted

templates/telegraf.conf

@@ -72,3 +72,12 @@
 #   ## Remove numbers from field names.
 #   ## If true, a field name like 'temp1_input' will be changed to 'temp_input'.
 #   # remove_numbers = true
+
+{% if ansible_lsb.id == "Raspbian" %}
+# On Raspbian, get CPU temperature (in millicelsius)
+[[inputs.exec]]
+  commands = ["cat /sys/class/thermal/thermal_zone0/temp"]
+  data_format = "value"
+  data_type = "integer"
+  name_override = "cpu_temp"
+{% endif %}