Advanced Kubernetes Workshop / DB / 19, 20, 23 October 2023
Schedule
- starts at 10:00
- ~10m breaks every 1h-1h30m
- 1h lunch break at 12:30-13:00
- ends at ~17:45
Format
- I go over the theory
- I solve a task
- you solve the task
- we go over and solve any encountered issue together so that everyone finishes the task
Agenda
Pod lifecycle, probes, init containers, ephemeral containers, pod and node (anti-)affinities, taints and tolerations, disruptions
Networking model, CNI (Container Network Interface) plugins, services, DNS, ingress, network policies
- CNI case study: Calico
Persistent storage, CSI (Container Storage Interface), storage classes, persistent volumes, persistent volume claims
- CSI case study: Rook / Ceph
Managing stateful applications, CRDs (Custom Resource Definition) and Kubernetes operators
- Case study: CloudNativePG
Security - RBAC, pod security standards, third-party policy engines, secret management, TLS certificate management
- Case study: Kyverno, Sealed Secrets and cert-manager
GitOps and CI/CD workflows
- Case study: Helm, kustomize and ArgoCD
Observability - monitoring, logging and alerting
- Case study: kube-prometheus-stack, Fluent Bit and Grafana Loki
Autoscaling - horizontal pod autoscaler, vertical pod autoscaler and cluster autoscaler
Application development workflows
- Case study: Okteto
Troubleshooting infrastructure and Kubernetes issues
What we won't cover, as either I don't have enough production experience with, or they are too niche / specific:
-
OpenShift specific concepts
-
Cloud provider specific concepts (e.g. GKE networking)
-
Service meshes, e.g. Istio
Getting To Know Each Other
Hello, I'm Bogdan!
- I've been programming and sysadmining for the past ~25 years
- sysadmin & networking
- backend - PHP, Node.js
- frontend - Vue.js
- Vue.js, Docker & Kubernetes instructor @JSLeague
- dev&ops @CodeSandbox.io