diff -r fecc27fe5aef -r adeda2afeb75 prometheus/rpi-client/tasks/main.yaml
--- a/prometheus/rpi-client/tasks/main.yaml	Wed May 13 09:25:09 2020 -0500
+++ b/prometheus/rpi-client/tasks/main.yaml	Wed May 13 10:10:07 2020 -0500
@@ -9,6 +9,7 @@
     src: "{{prometheus_client_rpi_src}}"
     remote_src: yes
     dest: "/tmp/"
+  notify: restart rpi_exporter
 
 - name: install systemd service for rpi-exporter
   become: yes
@@ -16,13 +17,17 @@
     src: "/tmp/{{prometheus_client_rpi_dest}}/rpi_exporter.service"
     remote_src: yes
     dest: "/lib/systemd/system/rpi_exporter.service"
+  notify: restart rpi_exporter
 
 - name: disable GPU temp scraping
   become: yes
   lineinfile:
     path: "/lib/systemd/system/rpi_exporter.service"
     regexp: "^ExecStart=/usr/local/bin/rpi_exporter"
-    line: "ExecStart=/usr/local/bin/rpi_exporter --collector.gpu=false"
+    line: "ExecStart=/usr/local/bin/rpi_exporter --no-collector.gpu"
+  when: not prometheus_client_rpi_collect_gpu_temp
+  notify: restart rpi_exporter
+
 
 - name: install rpi-exporter binary
   become: yes
@@ -31,6 +36,7 @@
     remote_src: yes
     dest: "/usr/local/bin/rpi_exporter"
     mode: "0755"
+  notify: restart rpi_exporter
 
 - name: ensure systemd service is started
   become: yes