3月 072020
主机列表
Ansible 18.163.102.197/172.31.34.153 k8s-01 18.163.35.70/172.31.43.3 k8s-02 18.162.148.167/172.31.37.84 k8s-03 18.163.103.104/172.31.37.22
Amazon EC2主机默认禁用root登录及密码验证的处理
sudo sed -i 's/^\#PermitRootLogin yes/PermitRootLogin yes/' /etc/ssh/sshd_config sudo sed -i 's/^PasswordAuthentication no/PasswordAuthentication yes/' /etc/ssh/sshd_config sudo systemctl restart sshd
查看本地主机Ansible版本信息
[root@ip-172-31-34-153 ~]# ansible --version ansible 2.9.5 config file = /etc/ansible/ansible.cfg configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules'] ansible python module location = /usr/lib/python2.7/site-packages/ansible executable location = /bin/ansible python version = 2.7.5 (default, Oct 30 2018, 23:45:53) [GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] [root@ip-172-31-34-153 ~]#
禁用本地主机严格密钥检查
[root@ip-172-31-34-153 ~]# vi /etc/ssh/ssh_config StrictHostKeyChecking no
生成密钥对并分发公钥到远程主机
[root@ip-172-31-34-153 ~]# ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa Generating public/private rsa key pair. Your identification has been saved in /root/.ssh/id_rsa. Your public key has been saved in /root/.ssh/id_rsa.pub. The key fingerprint is: SHA256:Gj5nl42xywRn0/s9hjBeACErGJWjQhfoDuEDT2yjYfE root@ip-172-31-34-153.ap-east-1.compute.internal The key's randomart image is: +---[RSA 2048]----+ | oooo... .. | |++*.oo o. | |*B.E.... . | |o=.. . o | |o o . S = o | | . . o + X o | | + o B * . | | + + o o + | | o o o| +----[SHA256]-----+ [root@ip-172-31-34-153 ~]# cat .ssh/id_rsa.pub ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC29DSROHgwWlucHoL/B+S/4Rd1KsVEbYLmM4p0+Ptx4NjGooEhrnNjIhpKmPNI5zvGtganSia2A7Vsp5Y+IVOgThRjzptQQzmbEloIqv6SsJRDyrUQIPV9dv3jv5pvbtAN0D5rh1AATPh0FNBtnkvm6HLowjueKdE6pBiq74NTPc5jfDuvwq2S5s4Ztnw9NsTuIlIiC7STCfuDo7NoxRVl+QumD12tW52CPd4ZjA4vg4v7xr/BF/rRxdFuG6+740s2kO1EZNaUOoi99qMLQiScOK+SLw+/tN66EmZC0uMeYlDiZZ1VsLb2MMd11CJDWSZ9SZbd1dHQbXywUbj0tRQF root@ip-172-31-34-153.ap-east-1.compute.internal [root@ip-172-31-34-153 ~]#
分发公钥
[root@ip-172-31-34-153 ~]# ssh-copy-id -i .ssh/id_rsa.pub root@18.163.35.70 /bin/ssh-copy-id: INFO: Source of key(s) to be installed: ".ssh/id_rsa.pub" /bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@18.163.35.70's password: Number of key(s) added: 1 Now try logging into the machine, with: "ssh 'root@18.163.35.70'" and check to make sure that only the key(s) you wanted were added. [root@ip-172-31-34-153 ~]# ssh-copy-id -i .ssh/id_rsa.pub root@18.162.148.167 /bin/ssh-copy-id: INFO: Source of key(s) to be installed: ".ssh/id_rsa.pub" /bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@18.162.148.167's password: Number of key(s) added: 1 Now try logging into the machine, with: "ssh 'root@18.162.148.167'" and check to make sure that only the key(s) you wanted were added. [root@ip-172-31-34-153 ~]# ssh-copy-id -i .ssh/id_rsa.pub root@18.163.103.104 /bin/ssh-copy-id: INFO: Source of key(s) to be installed: ".ssh/id_rsa.pub" /bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@18.163.103.104's password: Number of key(s) added: 1 Now try logging into the machine, with: "ssh 'root@18.163.103.104'" and check to make sure that only the key(s) you wanted were added. [root@ip-172-31-34-153 ~]#
配置Ansible主机清单
[root@ip-172-31-34-153 ~]# mkdir kube-cluster [root@ip-172-31-34-153 ~]# cd kube-cluster/ [root@ip-172-31-34-153 kube-cluster]# vi hosts [masters] master ansible_host=18.163.35.70 ansible_user=root [workers] worker1 ansible_host=18.162.148.167 ansible_user=root worker2 ansible_host=18.163.103.104 ansible_user=root
准备基本环境Playbook配置文件（k8s-01/k8s-02/k8s-03）
[root@ip-172-31-34-153 kube-cluster]# vi kube-dependencies.yaml - hosts: all become: yes tasks: - name: Install yum utils yum: name: yum-utils state: latest - name: Install device-mapper-persistent-data yum: name: device-mapper-persistent-data state: latest - name: Install lvm2 yum: name: lvm2 state: latest - name: Add Docker repo get_url: url: https://download.docker.com/linux/centos/docker-ce.repo dest: /etc/yum.repos.d/docer-ce.repo - name: install Docker yum: name: docker-ce state: latest update_cache: true - name: start Docker service: name: docker state: started enabled: yes - name: disable SELinux command: setenforce 0 - name: disable SELinux on reboot selinux: state: disabled - name: ensure net.bridge.bridge-nf-call-ip6tables is set to 1 sysctl: name: net.bridge.bridge-nf-call-ip6tables value: 1 state: present - name: ensure net.bridge.bridge-nf-call-iptables is set to 1 sysctl: name: net.bridge.bridge-nf-call-iptables value: 1 state: present - name: add Kubernetes' YUM repository yum_repository: name: Kubernetes description: Kubernetes YUM repository baseurl: https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64 gpgkey: https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg gpgcheck: yes - name: install kubelet yum: name: kubelet-1.17.3 state: present update_cache: true - name: install kubeadm yum: name: kubeadm-1.17.3 state: present - name: start kubelet service: name: kubelet enabled: yes state: started - hosts: master become: yes tasks: - name: install kubectl yum: name: kubectl-1.17.3 state: present allow_downgrade: yes
执行
[root@ip-172-31-34-153 kube-cluster]# ansible-playbook -i ./hosts kube-dependencies.yaml PLAY [all] ***************************************************************************************************** TASK [Gathering Facts] ***************************************************************************************** ok: [worker1] ok: [worker2] ok: [master] TASK [Install yum utils] *************************************************************************************** changed: [worker1] changed: [master] changed: [worker2] TASK [Install device-mapper-persistent-data] ******************************************************************* changed: [worker1] changed: [worker2] changed: [master] TASK [Install lvm2] ******************************************************************************************** changed: [worker2] changed: [worker1] changed: [master] TASK [Add Docker repo] ***************************************************************************************** changed: [worker2] changed: [worker1] changed: [master] TASK [install Docker] ****************************************************************************************** changed: [worker1] changed: [worker2] changed: [master] TASK [start Docker] ******************************************************************************************** changed: [worker1] changed: [master] changed: [worker2] TASK [disable SELinux] ***************************************************************************************** changed: [worker2] changed: [worker1] changed: [master] TASK [disable SELinux on reboot] ******************************************************************************* [WARNING]: SELinux state change will take effect next reboot changed: [worker2] changed: [worker1] changed: [master] TASK [ensure net.bridge.bridge-nf-call-ip6tables is set to 1] ************************************************** [WARNING]: The value 1 (type int) in a string field was converted to u'1' (type string). If this does not look like what you expect, quote the entire value to ensure it does not change. changed: [worker2] changed: [worker1] changed: [master] TASK [ensure net.bridge.bridge-nf-call-iptables is set to 1] *************************************************** changed: [worker1] changed: [worker2] changed: [master] TASK [add Kubernetes' YUM repository] ************************************************************************** changed: [worker2] changed: [worker1] changed: [master] TASK [install kubelet] ***************************************************************************************** changed: [worker1] changed: [worker2] changed: [master] TASK [install kubeadm] ***************************************************************************************** changed: [worker1] changed: [worker2] changed: [master] TASK [start kubelet] ******************************************************************************************* changed: [worker2] changed: [worker1] changed: [master] PLAY [master] ************************************************************************************************** TASK [Gathering Facts] ***************************************************************************************** ok: [master] TASK [install kubectl] ***************************************************************************************** ok: [master] PLAY RECAP ***************************************************************************************************** master : ok=17 changed=14 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 worker1 : ok=15 changed=14 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 worker2 : ok=15 changed=14 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 [root@ip-172-31-34-153 kube-cluster]#
准备主节点Palybook配置文件（k8s-01）
[root@ip-172-31-34-153 kube-cluster]# vi master.yaml - hosts: master become: yes tasks: - name: initialize the cluster shell: kubeadm init --pod-network-cidr=10.244.0.0/16 >> cluster_initialized.txt args: chdir: $HOME creates: cluster_initialized.txt - name: create .kube directory become: yes become_user: centos file: path: $HOME/.kube state: directory mode: 0755 - name: copy admin.conf to user's kube config copy: src: /etc/kubernetes/admin.conf dest: /home/centos/.kube/config remote_src: yes owner: centos - name: install Pod network become: yes become_user: centos shell: kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml >> pod_network_setup.txt args: chdir: $HOME creates: pod_network_setup.txt
执行
[root@ip-172-31-34-153 kube-cluster]# ansible-playbook -i ./hosts master.yaml PLAY [master] ************************************************************************************************** TASK [Gathering Facts] ***************************************************************************************** ok: [master] TASK [initialize the cluster] ********************************************************************************** ok: [master] TASK [create .kube directory] ********************************************************************************** [WARNING]: Module remote_tmp /home/centos/.ansible/tmp did not exist and was created with a mode of 0700, this may cause issues when running as another user. To avoid this, create the remote_tmp dir with the correct permissions manually changed: [master] TASK [copy admin.conf to user's kube config] ******************************************************************* changed: [master] TASK [install Pod network] ************************************************************************************* changed: [master] PLAY RECAP ***************************************************************************************************** master : ok=5 changed=3 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 [root@ip-172-31-34-153 kube-cluster]#
使用非特权用户centos验证Kubernetes集群及主节点状态
[centos@k8s-01 ~]$ kubectl get nodes NAME STATUS ROLES AGE VERSION k8s-01 Ready master 155m v1.17.3 [centos@k8s-01 ~]$
准备工作节点Playbook配置文件（k8s-02/k8s-03）
[root@ip-172-31-34-153 kube-cluster]# vi workers.yaml - hosts: master become: yes gather_facts: false tasks: - name: get join command shell: kubeadm token create --print-join-command register: join_command_raw - name: set join command set_fact: join_command: "{{ join_command_raw.stdout_lines[0] }}" - hosts: workers become: yes tasks: - name: join cluster shell: "{{ hostvars['master'].join_command }} --ignore-preflight-errors all >> node_joined.txt" args: chdir: $HOME creates: node_joined.txt
执行
[root@ip-172-31-34-153 kube-cluster]# ansible-playbook -i hosts workers.yaml PLAY [master] ************************************************************************************************** TASK [get join command] **************************************************************************************** changed: [master] TASK [set join command] **************************************************************************************** ok: [master] PLAY [workers] ************************************************************************************************* TASK [Gathering Facts] ***************************************************************************************** ok: [worker2] ok: [worker1] TASK [join cluster] ******************************************************************************************** changed: [worker2] changed: [worker1] PLAY RECAP ***************************************************************************************************** master : ok=2 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 worker1 : ok=2 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 worker2 : ok=2 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 [root@ip-172-31-34-153 kube-cluster]#
验证集群状态
[centos@k8s-01 ~]$ kubectl get nodes NAME STATUS ROLES AGE VERSION k8s-01 Ready master 159m v1.17.3 k8s-02 Ready <none> 41s v1.17.3 k8s-03 Ready <none> 41s v1.17.3 [centos@k8s-01 ~]$
部署容器化应用程序进行测试
[centos@k8s-01 ~]$ kubectl create deployment nginx --image=nginx deployment.apps/nginx created [centos@k8s-01 ~]$ [centos@k8s-01 ~]$ kubectl expose deploy nginx --port 80 --target-port 80 --type NodePort service/nginx exposed [centos@k8s-01 ~]$ [centos@k8s-01 ~]$ kubectl get services NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 179m nginx NodePort 10.109.120.31 <none> 80:30596/TCP 15s [centos@k8s-01 ~]$
使用浏览器访问
删除已部署的容器化应用
[centos@k8s-01 ~]$ kubectl delete service nginx service "nginx" deleted [centos@k8s-01 ~]$ kubectl get service NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 3h4m [centos@k8s-01 ~]$ [centos@k8s-01 ~]$ kubectl delete deployment nginx deployment.apps "nginx" deleted [centos@k8s-01 ~]$ kubectl get deployments No resources found in default namespace. [centos@k8s-01 ~]$
客户端命令行接口配置文件详情（基于PKI体系的服务器及客户端证书验证）
apiVersion: v1 clusters: - cluster: certificate-authority-data: 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 server: https://172.31.43.3:6443 name: kubernetes contexts: - context: cluster: kubernetes user: kubernetes-admin name: kubernetes-admin@kubernetes current-context: kubernetes-admin@kubernetes kind: Config preferences: {} users: - name: kubernetes-admin user: client-certificate-data: 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 client-key-data: LS0tLS1CRUdJTiBSU0EgUFJJVkFURSBLRVktLS0tLQpNSUlFcEFJQkFBS0NBUUVBeFNsVmZvUjJVNDZQZ0JvMEdpMi9jUThRM1ZXQnFaWjc0cDN3MWdaQ0tnc2lIcmt0CkZZN2tObnZjeEs1dU9GNkg3VjFLQmtiZFQ1dm9WVnZhRUZWN01OUWVGekQxM1pBSitnTlRTeURVK2Ntak9sZ0EKbXEyS1l4d0ptM0E1R2c0VFJtWlQ3TWZLcXExVzhXaXFWZVpGNXJ1YlJHaW92dFlkeS9wR1BLNW9HSWlraXdsNApBT1IxcUZEbzR6NHdKa3IwR3k5TFJLOE1nRGR4SGtKTUJJa2dkK25xaTgwRmVKSzNic1kwY1BvS2JPUGxMeFZvCldBbmJRYTI2NWphcFBuK010SkpaR1F6UXBheGtqcTlEb3pNT2t6Z1dHUDBWSnAvQlFxSDRiOTUxV2lBaTUzMG0KWW9VNVFQMnBoVHpqa1RsbU9CUSt3eGhkM0ppT1N2NTBFZnZHR1FJREFRQUJBb0lCQVFDQ2s1bDNyU3JncyszKwpIVnljYWVmOGJNbnlqSXJQVWtiQ0UzQkpqdU9MRE15UUpIdmpaenRsaWlyd1o4Vy90M3Uyaks1VjhlRG90SXp1CjIySlVwd2hya2xCTGM3V2lBNTlYNFpQc2tkWDdpTHQrRElKNTdxMVVibUUrZk5pVWxQWFhEalpPL3hNT2JyYkMKTTF0OGdJR1RDblVPblhJRTBiSHlRZEw2cFZkenh3Ri9EeFNNTy9zOGxLOEh3K0RzT0xxU3FPbHoyOUpuYk9CeAp1aEMzK3VMalc4Rmpsblh6K25JQWRaWFZoRkp0dG43a1dkak1jZXkyTGZCc1NZbGZlWlhZaTRGTE8xbmNPWGpuCkYwLzNhU2g0UmtPeXZvZDZRSEVxTmFnS0ZPOUZqd29hQzRmWkxLQjBrTG16UlZYa1BiR2lDRXB1N1ozSEw0c3UKaFRaYTNUekJBb0dCQU8zMXlBWDVtYTR2U3FlK2V5eEx2L201WEhtb2QweDhXNUFkcU51ZzNuRjdUSE4zMXppbQpmYVBwTjd4R2lwcXNwMVlGQzBheC9FZDNJYW1RcWVSRlRtTHgrRmttb3NNSThBbUV2U0EvL0JTVWVhYTUzeWtwCkt1NXEzNFBWWW5OSXZpcWpTM1ZITERGckw5MlUzNnVBTk9uMTJwZUw3ek1kOXVOT0srNlV3L20xQW9HQkFOUWIKd0g0RWRUbVAwS2V5V0hmYlBheFhxSVJqV2xLeFhHTU5JcnRVZWNLQ0NadWFTNnE5TFYxWk5KZkMyamN3TFRKMApDMVB2RkNjWjAwRUFScGlkS2lYL0ZaQzloRHZ6TkpsUnRseGs0aGVZVUVoa0lQL1RtcVUvTWZhSEhBREhlbDNCCkNPL1BuUnU5Y3g0NmwxZjBOcm5XRVJoa2J5TTJ4Mzc1ek5xb0tJbFZBb0dBUzhxKy9QZzFOTCtuWGFwVC9SWGIKZmFUR2laRlkvaW1WMkY4NkMwby96NUZnRmw4VFU5M2pvck9EcHhvb3gzODZoVEZ5R0FCVXhFWnptRmlWWkRtVwo3L2oyQ3g4OU5EWENqcVdTdjVUaHE0Um5BdTJzNEtWV0lUNDFGdjUrTHczNlZBWlM0SFhjNDVpcVZEODR4cDA5ClBVK3JZaDJXQUlnSXZQbUhFS1NkandrQ2dZQm53dHU3eWZwK21qZjhrV1p0MjdhajVJM3ZsWnJOOFMyODF1UXkKdC9TSWpveWNyakp0NS9XVlFOcFZrMkNrdHRDbGFkZFF6QmdUdUxKN2plTDdMWWM4NXpocGdneDZOMU4zM1YxVQpmWldNN1ZuNHorTEV3NE5YYXo3SjF2Wi8reFdGWDdVN2UxamtCUjJYb0JvQlVOcWt0bS9PZXZOVFNxejFGTVorCkFOMHpzUUtCZ1FDaDROSlEvVjhhc3prOURnZ2F5bnZ1Z2JWWVg1R0lFNGRSRng3Z3dXek5BckI0V1pUODVHeDgKSzByN3BLdTJsYmh2OFE1UU9GdFFhS0JwcCtjb1g2a3cvbTJZdWdYeVdiREpScEY4ODJXbkQzYWhvbW10WTlXZgpOWmJkeGRXNk8xZ1dURTg1ODV3YW5uOWFZR3g5Q21xNDJ4Sk9SaURPakFZWWEyR3phTHI2SHc9PQotLS0tLUVORCBSU0EgUFJJVkFURSBLRVktLS0tLQo=
命令行工具kubectl基本命令参数
[centos@k8s-01 ~]$ kubectl kubectl controls the Kubernetes cluster manager. Find more information at: https://kubernetes.io/docs/reference/kubectl/overview/ Basic Commands (Beginner): create Create a resource from a file or from stdin. expose Take a replication controller, service, deployment or pod and expose it as a new Kubernetes Service run Run a particular image on the cluster set Set specific features on objects Basic Commands (Intermediate): explain Documentation of resources get Display one or many resources edit Edit a resource on the server delete Delete resources by filenames, stdin, resources and names, or by resources and label selector Deploy Commands: rollout Manage the rollout of a resource scale Set a new size for a Deployment, ReplicaSet or Replication Controller autoscale Auto-scale a Deployment, ReplicaSet, or ReplicationController Cluster Management Commands: certificate Modify certificate resources. cluster-info Display cluster info top Display Resource (CPU/Memory/Storage) usage. cordon Mark node as unschedulable uncordon Mark node as schedulable drain Drain node in preparation for maintenance taint Update the taints on one or more nodes Troubleshooting and Debugging Commands: describe Show details of a specific resource or group of resources logs Print the logs for a container in a pod attach Attach to a running container exec Execute a command in a container port-forward Forward one or more local ports to a pod proxy Run a proxy to the Kubernetes API server cp Copy files and directories to and from containers. auth Inspect authorization Advanced Commands: diff Diff live version against would-be applied version apply Apply a configuration to a resource by filename or stdin patch Update field(s) of a resource using strategic merge patch replace Replace a resource by filename or stdin wait Experimental: Wait for a specific condition on one or many resources. convert Convert config files between different API versions kustomize Build a kustomization target from a directory or a remote url. Settings Commands: label Update the labels on a resource annotate Update the annotations on a resource completion Output shell completion code for the specified shell (bash or zsh) Other Commands: api-resources Print the supported API resources on the server api-versions Print the supported API versions on the server, in the form of "group/version" config Modify kubeconfig files plugin Provides utilities for interacting with plugins. version Print the client and server version information Usage: kubectl [flags] [options] Use "kubectl <command> --help" for more information about a given command. Use "kubectl options" for a list of global command-line options (applies to all commands). [centos@k8s-01 ~]$
内容引用
https://www.digitalocean.com/community/tutorials/how-to-create-a-kubernetes-cluster-using-kubeadm-on-centos-7