[OpenInfra Days Korea 2018] Day 2 - E5-1: "Invited Talk: Kubicorn - Building Simple Kubernetes Infrastructure"
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This document summarizes Seungkyu Ahn's experience working with various technologies over time including transitioning from JSP/Servlet to Spring and Hibernate, CVS to Git, Ant to Maven, and Waterfall to Agile methodologies. It also lists technologies he has worked with like OpenStack, Linux, Docker, Kubernetes, and is currently learning like Deep Learning, Spring Boot, and mobile development. It provides configuration details for installing a Kubernetes cluster using Kubespray including specifying host files, roles, and cluster configuration with options like Calico networking, Kubernetes version, and enabling/disabling addons.
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Host file
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k0-master01 ansible_port=22 ansible_host=k0-master01 ip=10.0.0.177
k0-node01 ansible_port=22 ansible_host=k0-node01 ip=10.0.0.178
[etcd]
k0-master01
[kube-master]
k0-master01
[kube-node]
k0-node01
[k8s-cluster:children]
kube-node
kube-master](https://image.slidesharecdn.com/e60955buildingsimplekubernetes-180705043459/85/OpenInfra-Days-Korea-2018-Day-2-E5-1-Invited-Talk-Kubicorn-Building-Simple-Kubernetes-Infrastructure-7-320.jpg)
[OpenInfra Days Korea 2018] Day 2 - E5-1: "Invited Talk: Kubicorn - Building Simple Kubernetes Infrastructure"
- 2. 저는 소개하자면 • JSP&Servlet -> EJB -> Spring, Hibernate • CVS -> Subversion -> Git • Ant -> Maven • Transactional Script -> OR Mapping, Domain Modeling • Heavy Class -> Design pattern, Refactoring • Waterfall, UML -> XP Developer : ~2010년 Engineer : 2011년~ • OpenStack • Linux • Docker, Kubernetes • Ansible 학습중 • Deep Learning • Spring boot, Frontend, IOS, Android https://www.ahnseungkyu.com seungkyua@gmail.com
- 4. 4 Kubespray 4 • Kubernetes incubator • https://github.com/kubernetes-incubator/kubespray • Ansible
- 5. 5 Prerequisite 5 • Connect using ssh without password for all node • sudo no password • Install Python - all node • swapoff • Install pip • pip install -r requirements.txt • Install ansible
- 7. 7 Host file 7 k0-master01 ansible_port=22 ansible_host=k0-master01 ip=10.0.0.177 k0-node01 ansible_port=22 ansible_host=k0-node01 ip=10.0.0.178 [etcd] k0-master01 [kube-master] k0-master01 [kube-node] k0-node01 [k8s-cluster:children] kube-node kube-master
- 8. 8 roles 8
- 10. 10 k8s-cluster.yml 10 kube_version: v1.10.4 kube_network_plugin: calico kube_service_addresses: 10.233.0.0/18 kube_pods_subnet: 10.233.64.0/18 dashboard_enabled: true helm_enabled: false istio_enabled: false local_volume_provisioner_enabled: false ingress_nginx_enabled: false
- 11. 11 Install kubernetes 11 ansible-playbook -u seungkyua -b -i inventory/k0-seungkyua/hosts.ini cluster.yml
- 13. Kubernetes Korea User Group https://www.facebook.com/groups/k8skr/
- 14. Q&A