KubeTemp / RPITemp

Monitor Raspberry PI or x86 Kubernetes cluster node cpu temperature.

Note	cAdvisor is the 'build in' Kubernetes node monitoring dashboard (cpu, network, disk, processes) and API server. It does however not monitor the cpu temperatures.

API

rpi_temp

cpu temperature for a single Kubernetes cluster node.

url: http://aptos:30001/

JSON response:

{"temp":"48.6","cpuArch":"armv6l","hostName":"rpitemp3-zb55u"}

Note	hostName is the Kubernetes pod name.

kube_temp

cpu temperature for all active Kubernetes cluster nodes.

url: http://carmel:9999/kubetemp

JSON response:

[{"ipAddress":"192.168.29.30","hostName":"salinas.mesgtone.lan.","nodeTemp":{"temp":"51.3","cpuArch":"armv6l","hostName":"rpitemp3-b9kjq"}},{"ipAddress":"192.168.29.31","hostName":"carmel.mesgtone.lan.","nodeTemp":{"temp":"53.6","cpuArch":"armv7l","hostName":"rpitemp3-yprbv"}},{"ipAddress":"192.168.29.34","hostName":"aptos.mesgtone.lan.","nodeTemp":{"temp":"47.6","cpuArch":"armv6l","hostName":"rpitemp3-zb55u"}},{"ipAddress":"192.168.29.38","hostName":"venice.mesgtone.lan.","nodeTemp":{"temp":"51.3","cpuArch":"armv6l","hostName":"rpitemp3-wmbmh"}}]

Minimal web app:

url: http://carmel:9999/index.html
url: http://carmel:9999

HTML response:

192.168.29.30: salinas.mesgtone.lan.: armv6l: 50.8 °C
192.168.29.31: carmel.mesgtone.lan.: armv7l: 53.1 °C
192.168.29.34: aptos.mesgtone.lan.: armv6l: 48.1 °C
192.168.29.38: venice.mesgtone.lan.: armv6l: 51.3 °C

Single page web app (SPA):

Using the following frameworks:

• Bootstrap: responsive, cross platform (Twitter, http://getbootstrap.com/)

• jQuery: REST request (https://jquery.com/)

• vue.js: reactive data binding (http://vuejs.org/)(Note: not current used, JS setInterval() turned out to be sufficient)

url: http://192.168.29.31:9999/kubetemptop.html

screenshot: