Easypack: 快速部署Kubernetes最新版本1.17.2

Kubernetes 1.18的正式发布还有一段时间，目前最新的稳定版本是1.17.2，使用Easypack提供的Ansible脚本可以容易地进行一键部署。

安装步骤

Kubernetes 1.17.2，可参看下文进行快速环境搭建：

• 单机版本或者集群版本环境搭建

[root@host131 ~]# kubectl get node -o wide
NAME              STATUS   ROLES    AGE   VERSION   INTERNAL-IP       EXTERNAL-IP   OS-IMAGE                KERNEL-VERSION          CONTAINER-RUNTIME
192.168.163.131   Ready15m   v1.17.2   192.168.163.131CentOS Linux 7 (Core)   3.10.0-957.el7.x86_64   docker://19.3.5
[root@host131 ~]#

各组件版本 组件 版本 更新时间 获取地址 cfssl 1.2 2016/3/30 https://pkg.cfssl.org/ flannel 0.11.0 2019/1/29 https://github.com/coreos/flannel pause 3.1 - gcr.io/google_containers/pause-amd64:3.1 kubernetes 1.17.2 2020/1/21 https://dl.k8s.io etcd 3.3.18 2019/11/27 https://github.com/etcd-io/etcd/releases docker 19.03.5 2019/11/14 https://download.docker.com/ cni 0.8.5 2020/1/22 https://github.com/containernetworking/plugins/releases coredns 1.6.7 2020/1/28 coredns/coredns:1.6.7 dashboard 1.10.1 - k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.1 prometheus 2.15.1 2019/12/25 prom/prometheus:v2.15.1

因为dashboard暂未稳定，后续会继续更新dashboard组件至2.0版本

组件 版本 更新时间 获取地址 dashboard 2.0.0-rc3 - kubernetesui/dashboard:v2.0.0-rc3 安装日志 安装单机版Kubernetes

[root@host131 ansible]# ansible-playbook 10.all-in-one.yml 

PLAY [all-in-one] **********************************************************************************************************************
...省略
PLAY RECAP *****************************************************************************************************************************
localhost                  : ok=109  changed=97   unreachable=0    failed=0   

[root@host131 ansible]#

版本确认

[root@host131 ~]# which etcd
/usr/local/bin/etcd
[root@host131 ~]# etcdctl --version
etcdctl version: 3.3.18
API version: 2
[root@host131 ~]# docker version
Client: Docker Engine - Community
 Version:           19.03.5
 API version:       1.40
 Go version:        go1.12.12
 Git commit:        633a0ea838
 Built:             Wed Nov 13 07:22:05 2019
 OS/Arch:           linux/amd64
 Experimental:      false

Server: Docker Engine - Community
 Engine:
  Version:          19.03.5
  API version:      1.40 (minimum version 1.12)
  Go version:       go1.12.12
  Git commit:       633a0ea838
  Built:            Wed Nov 13 07:28:45 2019
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          v1.2.10
  GitCommit:        b34a5c8af56e510852c35414db4c1f4fa6172339
 runc:
  Version:          1.0.0-rc8+dev
  GitCommit:        3e425f80a8c931f88e6d94a8c831b9d5aa481657
 docker-init:
  Version:          0.18.0
  GitCommit:        fec3683
[root@host131 ~]# which flanneld
/usr/local/bin/flanneld
[root@host131 ~]# flanneld --version
v0.11.0
[root@host131 ~]# kubectl get cs
NAME                 STATUS    MESSAGE             ERROR
controller-manager   Healthy   ok                  
scheduler            Healthy   ok                  
etcd-0               Healthy   {"health":"true"}   
[root@host131 ~]# kubectl get node -o wide
NAME              STATUS   ROLES    AGE   VERSION   INTERNAL-IP       EXTERNAL-IP   OS-IMAGE                KERNEL-VERSION          CONTAINER-RUNTIME
192.168.163.131   Ready27m   v1.17.2   192.168.163.131CentOS Linux 7 (Core)   3.10.0-957.el7.x86_64   docker://19.3.5
[root@host131 ~]#

安装Prometheus

[root@host131 ansible]# ansible-playbook prometheus/tests/test.yml 

PLAY [localhost] ***********************************************************************************************************************

TASK [prometheus : create dirs for prometheus] *****************************************************************************************
changed: [localhost] => (item=/etc/k8s/prometheus)

TASK [prometheus : create prometheus rbac yaml file] ***********************************************************************************
changed: [localhost]

TASK [prometheus : create prometheus configmap yaml file] ******************************************************************************
changed: [localhost]

TASK [prometheus : create prometheus deployment yaml file] *****************************************************************************
changed: [localhost]

TASK [prometheus : load prometheus image] **********************************************************************************************
changed: [localhost]

TASK [prometheus : create namespace specified when not existed] ************************************************************************
changed: [localhost]

TASK [prometheus : create prometheus service] ******************************************************************************************
changed: [localhost]

TASK [prometheus : confirm prometheus service state] ***********************************************************************************
FAILED - RETRYING: confirm prometheus service state (15 retries left).
changed: [localhost]

PLAY RECAP *****************************************************************************************************************************
localhost                  : ok=8    changed=8    unreachable=0    failed=0   

[root@host131 ansible]#

Ansible脚本

github地址：https://github.com/liumiaocn/easypack/tree/master/k8s/ansible