kochTao / ansible-k8s

ansible-kubernetes

Use ansible to install kubernetes cluster platfrom.

Setup

• Setup ansible(2.4+ advised) and ssh configuration.
• Update inventories to meet your requirement of deployment regarding to various ENV.
• Generate CA key and cert: ansible-playbook -i inventories/dev/hosts 01ca.yml.
• Initialize hosts(cfssl, CA certs, firewalld, selinux, sysctl): ansible-playbook -i inventories/dev/hosts 02init.yml.
• Setup etcd cluster: ansible-playbook -i inventories/dev/hosts 03etcd.yml.
• Setup kube-master cluster: ansible-playbook -i inventories/dev/hosts 04kube-master.yml.
• Install kubctl: ansible-playbook -i inventories/dev/hosts 05kubectl.yml.
• Install docker: ansible-playbook -i inventories/dev/hosts 06docker.yml.
• Setup kube-node cluster: ansible-playbook -i inventories/dev/hosts 07kube-node.yml.
• Setup calico network: ansible-playbook -i inventories/dev/hosts 08calico.yml.
• Setup dns service in kube: ansible-playbook -i inventories/dev/hosts 09dns.yml.
• Setup dashboard(UI) for kube: ansible-playbook -i inventories/dev/hosts 10dashboard.yml.
• Setup nginx ingress: ansible-playbook -i inventories/dev/hosts 11nginx-ingress.yml.

Components List

• Kube Master: multi apiserver, scheduler cluster, controller manager cluster
• Kube Node: kubelet, kube-proxy
• Kube Storage: etcd cluster
• Security: enable SSL/TLS
• CRI: docker
• CNI: calico
• Ingress: Nginx
• DNS: kubeDNS, dnsmasq
• UI: dashboard
• CLI: kubectl
• Logger: *(to do)
• Monitor: *(to do)
• Alerter: *(to do)
• CVI: *
• Registry: Harbor(to do)

Binaries download url list

• Kube: https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.9.md#downloads-for-v191
• Docker: https://github.com/moby/moby/releases/tag/v1.12.3
• Calicoctl: https://github.com/projectcalico/calicoctl/releases
• CNI: https://github.com/containernetworking/cni/releases
• CFSSL: https://pkg.cfssl.org/
• ETCD: https://github.com/coreos/etcd/releases
• Docker Compose: https://github.com/docker/compose/releases

Images list

calico network images

• calico/node:v2.6.5
• calico/cni:v1.11.2
• calico/kube-controllers:v1.0.2

dns addon images

• ibmcom/k8s-dns-kube-dns:1.14.1
• ibmcom/k8s-dns-dnsmasq-nanny:1.14.1
• ibmcom/k8s-dns-sidecar:1.14.1

nginx ingress addon images

• ibmcom/defaultbackend:1.2
• ibmcom/nginx-ingress-controller:0.9.0

dashboard addon images

• k8scn/kubernetes-dashboard-amd64:v1.8.0

pod image

• anzersy/pause-amd64:3.0

Helpful links

• https://cfssl.org/
• http://docs.ansible.com/
• https://kubernetes.io/docs/home/
• https://docs.projectcalico.org/v3.0/introduction/