Ansible and Kubernetes
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The document discusses Ansible and Kubernetes, highlighting Kubernetes' origin, functionality, and the benefits of using it for container orchestration. It emphasizes the capabilities of Ansible in automating tasks related to Kubernetes, including cluster setup and resource management. Additionally, it mentions a fun project, the Raspberry Pi Dramble, that showcases a successful experimental Kubernetes cluster.
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Ansible and Kubernetes
- 1. Ansible and Kubernetes Jeff Geerling Ansible St. Louis 2018-08-14
- 3. • 2013 - Google wants to open source 'Borg' • Trivia: Originally named 'Seven of Nine', thus 7 sides in logo • a.k.a. 'K8s' (k-8 chars-s) • Origin story here
- 4. • Automatic binpacking • Horizontal scaling • Self-healing • Rollouts and Rollbacks • Service discovery and load balancing
- 5. Important question: Do you need Kubernetes?
- 6. What can Ansible automate? • Bare metal cluster setup and management • Container lifecycle: build, test, push • Kubernetes manifests (& Helm charts, etc.) • 100s of things still running outside Kubernetes
- 7. Ansible tools for K8s • Cluster setup • Minikube, GKE, EKS, AKS, DO K8s, etc. • Kubespray • Kubernetes roles (e.g. geerlingguy.kubernetes) installing kubeadm, docker, CNI, etc.
- 8. Ansible tools for K8s • k8s module • Uses kube config file, K8s REST API • Can manage resources with inline or file-based manifests (vars, Jinja, yay!)
- 9. Raspberry Pi Dramble • Fun experimental cluster project • 99.9%+ uptime since 2015 • www.pidramble.com • GitHub Project
- 10. Raspberry Pi Dramble • Fun experimental cluster project • 99.9%+ uptime since 2015 • www.pidramble.com • GitHub Project
- 15. Discuss!