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 Center Cloud 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 #ConCon20 5 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 #ConCon20 7 https://en.wikipedia.org/wiki/Bus_factor

// ContainerConf 2020 // Kubernetes für Workstations, Edge and IoT Devices // @LeanderReimer #cloudnativenerd #qaware #ConCon20 https://k3s.io https://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 #ConCon20 9 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 [email protected] https://www.qaware.de https://speakerdeck.com/lreimer/ https://github.com/lreimer/ &