Download as PDF, PPTX
![2019/5/16 Running k3s on Raspberry Pi
127.0.0.1:5500/#1 16/32
Download Binary
DOWNLOADPATH:
https://github.com/rancher/k3s/releases/download/v0.5.0/k3s
$ wget [DOWNLOADPATH]
$ ls
k3s
$ chmod +x k3s
$ sudo mv k3s /usr/bin/](https://image.slidesharecdn.com/runningk3sonraspberrypi-190516013804/75/Running-k3s-on-raspberry-pi-16-2048.jpg)
![2019/5/16 Running k3s on Raspberry Pi
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Dockerfile
FROM python:3
ADD sample.py /
RUN pip install rpi.gpio
CMD [ "python", "./sample.py" ]](https://image.slidesharecdn.com/runningk3sonraspberrypi-190516013804/75/Running-k3s-on-raspberry-pi-26-2048.jpg)
![2019/5/16 Running k3s on Raspberry Pi
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Create Docker Image
# [NAME] is an account name of Docker Hub
$ docker build -t [NAME]/raspi-sample
# Run container
$ docker run --privileged [NAME]/raspi-sample
# Login to Docker Hub
$ docker login
$ docker push [NAME]/raspi-sample](https://image.slidesharecdn.com/runningk3sonraspberrypi-190516013804/75/Running-k3s-on-raspberry-pi-27-2048.jpg)
![2019/5/16 Running k3s on Raspberry Pi
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Manifest(sample.yaml)
apiVersion: v1
kind: Pod
metadata:
name: sample
spec:
containers:
- name: sample
image: [NAME]/raspi-sample
securityContext:
privileged: true
nodeSelector:
kubernetes.io/arch: arm](https://image.slidesharecdn.com/runningk3sonraspberrypi-190516013804/75/Running-k3s-on-raspberry-pi-28-2048.jpg)
![2019/5/16 Running k3s on Raspberry Pi
127.0.0.1:5500/#1 16/32
Download Binary
DOWNLOADPATH:
https://github.com/rancher/k3s/releases/download/v0.5.0/k3s
$ wget [DOWNLOADPATH]
$ ls
k3s
$ chmod +x k3s
$ sudo mv k3s /usr/bin/](https://crownmelresort.com/image.slidesharecdn.com/runningk3sonraspberrypi-190516013804/75/Running-k3s-on-raspberry-pi-16-2048.jpg)
![2019/5/16 Running k3s on Raspberry Pi
127.0.0.1:5500/#1 26/32
Dockerfile
FROM python:3
ADD sample.py /
RUN pip install rpi.gpio
CMD [ "python", "./sample.py" ]](https://crownmelresort.com/image.slidesharecdn.com/runningk3sonraspberrypi-190516013804/75/Running-k3s-on-raspberry-pi-26-2048.jpg)
![2019/5/16 Running k3s on Raspberry Pi
127.0.0.1:5500/#1 27/32
Create Docker Image
# [NAME] is an account name of Docker Hub
$ docker build -t [NAME]/raspi-sample
# Run container
$ docker run --privileged [NAME]/raspi-sample
# Login to Docker Hub
$ docker login
$ docker push [NAME]/raspi-sample](https://crownmelresort.com/image.slidesharecdn.com/runningk3sonraspberrypi-190516013804/75/Running-k3s-on-raspberry-pi-27-2048.jpg)
![2019/5/16 Running k3s on Raspberry Pi
127.0.0.1:5500/#1 28/32
Manifest(sample.yaml)
apiVersion: v1
kind: Pod
metadata:
name: sample
spec:
containers:
- name: sample
image: [NAME]/raspi-sample
securityContext:
privileged: true
nodeSelector:
kubernetes.io/arch: arm](https://crownmelresort.com/image.slidesharecdn.com/runningk3sonraspberrypi-190516013804/75/Running-k3s-on-raspberry-pi-28-2048.jpg)
Uploaded byKyohei Mizumoto
Running k3s on raspberry pi
The document discusses running k3s, a lightweight Kubernetes distribution, on a Raspberry Pi single-board computer. It begins with an introduction to k3s and its advantages for resource-constrained edge and IoT devices. Instructions are provided to install k3s on a Raspberry Pi and join it to an existing k3s cluster. An example Python program is given to blink an LED connected to the Raspberry Pi via GPIO to demonstrate controlling the device through k3s.
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Running k3s on raspberry pi
- 1. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 1/32 Running k3s on Raspberry Pi
- 2. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 2/32 Kyohei Mizumoto(@kyohmizu) C# Software Engineer Interests Docker/Kubernetes Go Security whoami
- 3. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 3/32 Target People who: haven't used k3s haven't run k3s on Raspberry Pi are interested in k3s cluster management
- 4. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 4/32 Preferred Knowledge The basic knowledge of: Docker Kubernetes Virtual Machine(Microsoft Azure)
- 5. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 5/32 Agenda What is k3s? Get started Control Raspberry Pi using k3s
- 6. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 6/32 What is k3s?
- 7. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 7/32 kubernetes = k8s
- 8. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 8/32 k3s = k(8-5)s
- 9. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 9/32 Lightweight Kubernetes Easy to install Half the memory Single binary less than 40MB k3s - 5 less than k8s
- 10. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 10/32 Great for Edge IoT CI ARM k3s - 5 less than k8s
- 11. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 11/32 Changes
- 12. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 12/32 How It Works
- 13. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 13/32 k3s Pronounce "Kubes"...? https://github.com/rancher/k3s/issues/55
- 14. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 14/32 Get started
- 15. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 15/32 Download Binary https://github.com/rancher/k3s/releases/latest
- 16. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 16/32 Download Binary DOWNLOADPATH: https://github.com/rancher/k3s/releases/download/v0.5.0/k3s $ wget [DOWNLOADPATH] $ ls k3s $ chmod +x k3s $ sudo mv k3s /usr/bin/
- 17. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 17/32 Run Server # Run in the background $ sudo k3s server & # Kubeconfig is written to /etc/rancher/k3s/k3s.yaml $ k3s kubectl get node NAME STATUS ROLES AGE VERSION k3s-server Ready <none> 30s v1.14.1-k3s.4 # Run without running the agent $ k3s server --disable-agent
- 18. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 18/32 Join Nodes # NODE_TOKEN comes from # /var/lib/rancher/k3s/server/node-token on the server $ sudo k3s agent --server https://myserver:6443 --token ${NODE_TOKEN} Show nodes on server: $ k3s kubectl get node NAME STATUS ROLES AGE VERSION k3s-agent Ready <none> 1h v1.14.1-k3s.4 k3s-server Ready <none> 1h v1.14.1-k3s.4
- 19. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 19/32 Control Raspberry Pi using k3s
- 20. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 20/32 Raspberry Pi https://www.raspberrypi.org/
- 21. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 21/32 Configuration
- 22. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 22/32 Raspberry Pi Configuration
- 23. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 23/32 Raspberry Pi Configuration Raspberry Pi 3 B+ Breadboard LED Resistor Jump wire
- 24. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 24/32 Required Preparation Create VM on Microsoft Azure Run k3s server on the VM (with a node) Join k3s node on Raspberry Pi $ k3s kubectl get node NAME STATUS ROLES AGE VERSION k3s-server Ready <none> 19d v1.14.1-k3s.4 raspi-1 Ready <none> 16d v1.14.1-k3s.4
- 25. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 25/32 Sample Program(sample.py) import RPi.GPIO as GPIO import time GPIO.setmode(GPIO.BCM) GPIO.setup(2,GPIO.OUT) while True: GPIO.output(2,True) time.sleep(1) GPIO.output(2,False) time.sleep(1) GPIO.cleanup()
- 26. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 26/32 Dockerfile FROM python:3 ADD sample.py / RUN pip install rpi.gpio CMD [ "python", "./sample.py" ]
- 27. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 27/32 Create Docker Image # [NAME] is an account name of Docker Hub $ docker build -t [NAME]/raspi-sample # Run container $ docker run --privileged [NAME]/raspi-sample # Login to Docker Hub $ docker login $ docker push [NAME]/raspi-sample
- 28. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 28/32 Manifest(sample.yaml) apiVersion: v1 kind: Pod metadata: name: sample spec: containers: - name: sample image: [NAME]/raspi-sample securityContext: privileged: true nodeSelector: kubernetes.io/arch: arm
- 29. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 29/32 Deploy on Raspberry Pi $ k3s kubectl apply -f sample.yaml pod/sample created # The pod was deployed on Raspberry Pi $ k3s kubectl get po -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES sample 1/1 Running 0 48s 10.42.0.6 raspi-1 <none> <none> The LED blinks!!
- 30. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 30/32 Demo
- 31. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 31/32 Links https://k3s.io/ https://github.com/rancher/k3s
- 32. 2019/5/16 Running k3son Raspberry Pi 127.0.0.1:5500/#1 32/32 Thank you!