使用kubekey安装kubesphere
2021-02-05 18:22
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下载 KubeKey
KubeKey 是新一代 Kubernetes 和 KubeSphere 安装器，可帮助您以简单、快速、灵活的方式安装 Kubernetes 和 KubeSphere。
export KKZONE=cn curl -sfL https://get-kk.kubesphere.io | VERSION=v1.0.1 sh -
准备镜像
如果您想让安装加快或者您的机房没有外网，可以使用公司内部的私有仓库，预先把镜像推送到私有仓库中，我这里的仓库使用harbor
下载离线安装工具，我这里只是用这个脚本来下载和推送镜像
curl -L -O https://github.com/kubesphere/ks-installer/releases/download/v3.0.0/offline-installation-tool.sh curl -L -O https://github.com/kubesphere/ks-installer/releases/download/v3.0.0/images-list.txt
拉取镜像
./offline-installation-tool.sh -s -l images-list.txt -d ./kubesphere-images 在./kubesphere-images目录下能看到以下压缩包 # ll total 8606088 -rw-r--r-- 1 root root 454465957 Feb 2 15:37 csi-images.tar.gz -rw-r--r-- 1 root root 1231853258 Feb 2 15:33 example-images.tar.gz -rw-r--r-- 1 root root 445244294 Feb 2 14:50 istio-images.tar.gz -rw-r--r-- 1 root root 762326634 Feb 2 14:27 k8s-images.tar.gz -rw-r--r-- 1 root root 1297767607 Feb 2 14:40 ks-core-images.tar.gz -rw-r--r-- 1 root root 3439146357 Feb 2 15:19 ks-devops-images.tar.gz -rw-r--r-- 1 root root 733165078 Feb 2 14:46 ks-logging-images.tar.gz -rw-r--r-- 1 root root 448651153 Feb 2 15:23 openpitrix-images.tar.gz
推送镜像到私有仓库，待脚本完成即可
./offline-installation-tool.sh -l images-list.txt -d ./kubesphere-images -r hub.evbj.easou.com
创建多节点集群
您可用使用 KubeKey 同时安装 Kubernetes 和 KubeSphere，通过自定义配置文件中的参数创建多节点集群。
创建安装有 KubeSphere 的 Kubernetes 集群（例如 --with-kubesphere v3.0.0）
./kk create config --with-kubernetes v1.17.9 --with-kubesphere v3.0.0
系统将创建默认的 config-sample.yaml 文件。您可以根据您的环境修改此文件。
apiVersion: kubekey.kubesphere.io/v1alpha1
kind: Cluster
metadata:
name: ESCloud
spec:
hosts:
- {name: kubesphere001, address: 10.26.31.34, internalAddress: 10.26.31.34, privateKeyPath: "~/.ssh/id_dsa", port: 20755}
- {name: kubesphere002, address: 10.26.31.36, internalAddress: 10.26.31.36, privateKeyPath: "~/.ssh/id_dsa", port: 20755}
- {name: kubesphere003, address: 10.26.31.42, internalAddress: 10.26.31.42, privateKeyPath: "~/.ssh/id_dsa", port: 20755}
- {name: kubesphere004, address: 10.26.31.46, internalAddress: 10.26.31.46, privateKeyPath: "~/.ssh/id_dsa", port: 20755}
- {name: kubesphere005, address: 10.26.31.118, internalAddress: 10.26.31.118, privateKeyPath: "~/.ssh/id_dsa", port: 20755}
- {name: kubesphere006, address: 10.26.31.119, internalAddress: 10.26.31.119, privateKeyPath: "~/.ssh/id_dsa", port: 20755}
- {name: kubesphere007, address: 10.26.31.120, internalAddress: 10.26.31.120, privateKeyPath: "~/.ssh/id_dsa", port: 20755}
- {name: kubesphere008, address: 10.26.31.121, internalAddress: 10.26.31.121, privateKeyPath: "~/.ssh/id_dsa", port: 20755}
roleGroups:
etcd:
- kubesphere001
- kubesphere002
- kubesphere003
master:
- kubesphere001
- kubesphere002
- kubesphere003
worker:
- kubesphere004
- kubesphere005
- kubesphere006
- kubesphere007
- kubesphere008
controlPlaneEndpoint:
domain: lb.kubesphere.local
address: ""
port: "6443"
kubernetes:
version: v1.17.9
imageRepo: kubesphere
clusterName: cluster.local
network:
plugin: calico
kubePodsCIDR: 10.233.64.0/18
kubeServiceCIDR: 10.233.0.0/18
registry:
registryMirrors: []
insecureRegistries: ["hub.kubeops.net"]
privateRegistry: "hub.kubeops.net"
addons: []
---
apiVersion: installer.kubesphere.io/v1alpha1
kind: ClusterConfiguration
metadata:
name: ks-installer
namespace: kubesphere-system
labels:
version: v3.0.0
spec:
local_registry: "hub.kubeops.net"
persistence:
storageClass: ""
authentication:
jwtSecret: ""
etcd:
monitoring: true
endpointIps: localhost
port: 2379
tlsEnable: true
common:
es:
elasticsearchDataVolumeSize: 20Gi
elasticsearchMasterVolumeSize: 4Gi
elkPrefix: logstash
logMaxAge: 7
mysqlVolumeSize: 20Gi
minioVolumeSize: 20Gi
etcdVolumeSize: 20Gi
openldapVolumeSize: 2Gi
redisVolumSize: 2Gi
console:
enableMultiLogin: true # enable/disable multi login
port: 30880
alerting:
enabled: false
auditing:
enabled: false
devops:
enabled: false
jenkinsMemoryLim: 2Gi
jenkinsMemoryReq: 1500Mi
jenkinsVolumeSize: 8Gi
jenkinsJavaOpts_Xms: 512m
jenkinsJavaOpts_Xmx: 512m
jenkinsJavaOpts_MaxRAM: 2g
events:
enabled: false
ruler:
enabled: true
replicas: 2
logging:
enabled: false
logsidecarReplicas: 2
metrics_server:
enabled: true
monitoring:
prometheusMemoryRequest: 400Mi
prometheusVolumeSize: 20Gi
multicluster:
clusterRole: none # host | member | none
networkpolicy:
enabled: false
notification:
enabled: false
openpitrix:
enabled: false
servicemesh:
enabled: false
环境初始化
./kk init os -f config-sample.yaml INFO[14:04:19 CST] Init operating system INFO[14:04:20 CST] Start initializing kubesphere008 [10.26.31.121] node=10.26.31.121 INFO[14:04:20 CST] Start initializing kubesphere001 [10.26.31.34] node=10.26.31.34 INFO[14:04:20 CST] Start initializing kubesphere003 [10.26.31.42] node=10.26.31.42 INFO[14:04:20 CST] Start initializing kubesphere005 [10.26.31.118] node=10.26.31.118 INFO[14:04:20 CST] Start initializing kubesphere006 [10.26.31.119] node=10.26.31.119 INFO[14:04:20 CST] Start initializing kubesphere004 [10.26.31.46] node=10.26.31.46 INFO[14:04:20 CST] Start initializing kubesphere007 [10.26.31.120] node=10.26.31.120 INFO[14:04:20 CST] Start initializing kubesphere002 [10.26.31.36] node=10.26.31.36 INFO[14:06:34 CST] Complete initialization kubesphere005 [10.26.31.118] node=10.26.31.118 INFO[14:06:56 CST] Complete initialization kubesphere002 [10.26.31.36] node=10.26.31.36 INFO[14:07:04 CST] Complete initialization kubesphere006 [10.26.31.119] node=10.26.31.119 INFO[14:07:04 CST] Complete initialization kubesphere007 [10.26.31.120] node=10.26.31.120 INFO[14:07:07 CST] Complete initialization kubesphere003 [10.26.31.42] node=10.26.31.42 INFO[14:07:11 CST] Complete initialization kubesphere004 [10.26.31.46] node=10.26.31.46 INFO[14:08:23 CST] Complete initialization kubesphere001 [10.26.31.34] node=10.26.31.34 INFO[14:10:57 CST] Complete initialization kubesphere008 [10.26.31.121] node=10.26.31.121 INFO[14:10:57 CST] Init operating system successful.
###部署
以上准备工作完成且再次检查配置文件无误后，执行安装。
./kk create cluster -f config-sample.yaml +-------------------------+------+------+---------+----------+-------+-------+-----------+--------+------------+-------------+------------------+--------------+ | name | sudo | curl | openssl | ebtables | socat | ipset | conntrack | docker | nfs client | ceph client | glusterfs client | time | +-------------------------+------+------+---------+----------+-------+-------+-----------+--------+------------+-------------+------------------+--------------+ | kubesphere005 | y | y | y | y | y | y | y | y | y | y | y | CST 14:16:55 | | kubesphere006 | y | y | y | y | y | y | y | y | y | y | y | CST 14:16:55 | | kubesphere007 | y | y | y | y | y | y | y | y | y | y | y | CST 14:16:55 | | kubesphere004 | y | y | y | y | y | y | y | y | y | y | y | CST 14:16:55 | | kubesphere001 | y | y | y | y | y | y | y | y | y | y | y | CST 14:16:55 | | kubesphere003 | y | y | y | y | y | y | y | y | y | y | y | CST 14:16:55 | | kubesphere002 | y | y | y | y | y | y | y | y | y | y | y | CST 14:16:55 | | kubesphere008 | y | y | y | y | y | y | y | y | y | y | y | CST 14:16:55 | +-------------------------+------+------+---------+----------+-------+-------+-----------+--------+------------+-------------+------------------+--------------+ This is a simple check of your environment. Before installation, you should ensure that your machines meet all requirements specified at https://github.com/kubesphere/kubekey#requirements-and-recommendations Continue this installation? [yes/no]: yes INFO[14:17:25 CST] Downloading Installation Files INFO[14:17:25 CST] Downloading kubeadm ... ************************************************** ##################################################### ### Welcome to KubeSphere! ### ##################################################### Console: http://10.26.31.34:30880 Account: admin Password: P@88w0rd NOTES： 1. After logging into the console, please check the monitoring status of service components in the "Cluster Management". If any service is not ready, please wait patiently until all components are ready. 2. Please modify the default password after login. ##################################################### https://kubesphere.io 2021-02-05 15:47:21 #####################################################
至此kubesphere安装成功，可以通过浏览器访问http://10.26.31.34:30880 验证
验证
您可以使用默认的帐户和密码 admin/P@88w0rd 登录 KubeSphere 控制台并开始使用 KubeSphere。请在登录后修改默认密码。
登录后如下图
现在就可以开始您的kubesphere之旅了，更多详情请参见官网
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