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Lightweight Kubernetes
Kubernetes für Workstations, Edge und IoT Devices
@LeanderReimer #qaware #CloudNativeNerd #ConCon20
Mario-Leander Reimer
Principal Software Architect
@LeanderReimer
#cloudnativenerd #qaware
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
Installing K8s in the Cloud is relatively easy.
3
Cloud / Data CenterCloud Layer
$ eksctl create cluster -n eks-demo -f cluster.yml
$ aksctl create cluster --name aks-demo -file cluster.yaml
$ gcloud container cluster create gke-demo
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
Installing K8s on Fog, Edge and IoT is not so easy.
4
Cloud / Data Center
Fog Nodes
Devices
Gateways
Cloud Layer
Fog Layer
Edge Layer
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon205
Do you have a PhD in
Kubernetes
clusterology?
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
• CentOS 7.7 with Containerd
• Kubernetes 1.16 with K8s Dashboard
• Calico, External-DNS
• MetalLB + NGINX-Ingress
• Rook CephFS
• Cert-Manager, Sealed Secrets
• Elastic-Stack (Elasticsearch, Kibana, Fluentd)
• Prometheus, Grafana, Grafana Loki
• Istio, Knative, Jaeger
• Clair, Vault, Keycloak
6 // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon207
https://en.wikipedia.org/wiki/Bus_factor
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
https://k3s.iohttps://microk8s.io
8 // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon209
5 x Intel NUC i3
5 x Raspberry Pi 3 CoM
miniNodes Carrier Board
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
MicroK8s - Zero-ops Kubernetes
• Certified Kubernetes distribution. Backed by Canonical.
• Pure upstream, no APIs added or removed. Currently v1.19
• A single package of K8s for 42 flavours of Linux. Uses multipass to run a local Ubuntu
VM under Windows and Mac.
• Made for developers. Runs on cloud, workstations, Edge and IoT.
• Dozens of infrastructure add-ons: DNS, registry, dashboard, storage, RBAC, ingress,
MetalLB, GPU, Istio, Linkerd, Knative, fluentd, Prometheus, Jaeger, Ambassador,
Cilium, Helm, …
• High Availability and Multi-node cluster configuration supported.
10
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
MicroK8s Demo
MicroK8s Demo
https://github.com/lreimer/lightweight-k8s
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
K3s - 5 less than K8s
• Certified Kubernetes distribution. Backed by Rancher.
• Legacy, alpha, non-default features are removed. Currently v1.18.9+k3s1
• Suitable for Edge, IoT, ARM64, ARMv7, CI, Workstations and the Cloud
• LoadBalancer support with Traefik based Ingress.
• High Availability with an External DB or Embedded DB (experimental)
• Easy to install, run and auto-update. Single < 40MB binary.
• k3sup: from Zero to KUBECONFIG in < 1 min https://k3sup.dev/
12
// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
K3s Demo
https://github.com/lreimer/lightweight-k8s
Mario-Leander Reimer
Principal Software Architect, QAware GmbH
mario-leander.reimer@qaware.de
https://www.qaware.de
https://speakerdeck.com/lreimer/
https://github.com/lreimer/
&

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Kubernetes für Workstations Edge und IoT Devices

  • 1. Lightweight Kubernetes Kubernetes für Workstations, Edge und IoT Devices @LeanderReimer #qaware #CloudNativeNerd #ConCon20
  • 2. Mario-Leander Reimer Principal Software Architect @LeanderReimer #cloudnativenerd #qaware
  • 3. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20 Installing K8s in the Cloud is relatively easy. 3 Cloud / Data CenterCloud Layer $ eksctl create cluster -n eks-demo -f cluster.yml $ aksctl create cluster --name aks-demo -file cluster.yaml $ gcloud container cluster create gke-demo
  • 4. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20 Installing K8s on Fog, Edge and IoT is not so easy. 4 Cloud / Data Center Fog Nodes Devices Gateways Cloud Layer Fog Layer Edge Layer
  • 5. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon205 Do you have a PhD in Kubernetes clusterology?
  • 6. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20 • CentOS 7.7 with Containerd • Kubernetes 1.16 with K8s Dashboard • Calico, External-DNS • MetalLB + NGINX-Ingress • Rook CephFS • Cert-Manager, Sealed Secrets • Elastic-Stack (Elasticsearch, Kibana, Fluentd) • Prometheus, Grafana, Grafana Loki • Istio, Knative, Jaeger • Clair, Vault, Keycloak 6 // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
  • 7. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon207 https://en.wikipedia.org/wiki/Bus_factor
  • 8. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20 https://k3s.iohttps://microk8s.io 8 // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20
  • 9. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon209 5 x Intel NUC i3 5 x Raspberry Pi 3 CoM miniNodes Carrier Board
  • 10. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20 MicroK8s - Zero-ops Kubernetes • Certified Kubernetes distribution. Backed by Canonical. • Pure upstream, no APIs added or removed. Currently v1.19 • A single package of K8s for 42 flavours of Linux. Uses multipass to run a local Ubuntu VM under Windows and Mac. • Made for developers. Runs on cloud, workstations, Edge and IoT. • Dozens of infrastructure add-ons: DNS, registry, dashboard, storage, RBAC, ingress, MetalLB, GPU, Istio, Linkerd, Knative, fluentd, Prometheus, Jaeger, Ambassador, Cilium, Helm, … • High Availability and Multi-node cluster configuration supported. 10
  • 11. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20 MicroK8s Demo MicroK8s Demo https://github.com/lreimer/lightweight-k8s
  • 12. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20 K3s - 5 less than K8s • Certified Kubernetes distribution. Backed by Rancher. • Legacy, alpha, non-default features are removed. Currently v1.18.9+k3s1 • Suitable for Edge, IoT, ARM64, ARMv7, CI, Workstations and the Cloud • LoadBalancer support with Traefik based Ingress. • High Availability with an External DB or Embedded DB (experimental) • Easy to install, run and auto-update. Single < 40MB binary. • k3sup: from Zero to KUBECONFIG in < 1 min https://k3sup.dev/ 12
  • 13. // ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20 K3s Demo https://github.com/lreimer/lightweight-k8s
  • 14. Mario-Leander Reimer Principal Software Architect, QAware GmbH mario-leander.reimer@qaware.de https://www.qaware.de https://speakerdeck.com/lreimer/ https://github.com/lreimer/ &