mirror of https://github.com/easzlab/kubeasz.git
146 lines
4.7 KiB
YAML
146 lines
4.7 KiB
YAML
# 创建kubelet,kube-proxy工作目录和cni配置目录
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- name: 创建kube-node 相关目录
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file: name={{ item }} state=directory
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with_items:
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- /var/lib/kubelet
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- /var/lib/kube-proxy
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- /etc/cni/net.d
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- /root/.kube
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- name: 下载 kubelet,kube-proxy 二进制和基础 cni plugins
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copy: src={{ base_dir }}/bin/{{ item }} dest={{ bin_dir }}/{{ item }} mode=0755
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with_items:
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- kubectl
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- kubelet
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- kube-proxy
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- bridge
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- host-local
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- loopback
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tags: upgrade_k8s
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- name: 分发 kubeconfig配置文件
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synchronize: src=/root/.kube/config dest=/root/.kube/config
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delegate_to: "{{ groups.deploy[0] }}"
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- name: 添加 kubectl 命令自动补全
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lineinfile:
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dest: ~/.bashrc
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state: present
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regexp: 'kubectl completion'
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line: 'source <(kubectl completion bash)'
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- name: 分发证书相关
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synchronize: src={{ ca_dir }}/{{ item }} dest={{ ca_dir }}/{{ item }}
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with_items:
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- ca.pem
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- ca-key.pem
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- ca.csr
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- ca-config.json
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delegate_to: "{{ groups.deploy[0] }}"
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##----------kubelet 配置部分--------------
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- name: 准备kubelet 证书签名请求
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template: src=kubelet-csr.json.j2 dest={{ ca_dir }}/kubelet-csr.json
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- name: 创建 kubelet 证书与私钥
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shell: "cd {{ ca_dir }} && {{ bin_dir }}/cfssl gencert \
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-ca={{ ca_dir }}/ca.pem \
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-ca-key={{ ca_dir }}/ca-key.pem \
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-config={{ ca_dir }}/ca-config.json \
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-profile=kubernetes kubelet-csr.json | {{ bin_dir }}/cfssljson -bare kubelet"
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# 创建kubelet.kubeconfig
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- name: 设置集群参数
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shell: "{{ bin_dir }}/kubectl config set-cluster kubernetes \
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--certificate-authority={{ ca_dir }}/ca.pem \
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--embed-certs=true \
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--server={{ KUBE_APISERVER }} \
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--kubeconfig=kubelet.kubeconfig"
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- name: 设置客户端认证参数
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shell: "{{ bin_dir }}/kubectl config set-credentials system:node:{{ inventory_hostname }} \
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--client-certificate={{ ca_dir }}/kubelet.pem \
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--embed-certs=true \
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--client-key={{ ca_dir }}/kubelet-key.pem \
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--kubeconfig=kubelet.kubeconfig"
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- name: 设置上下文参数
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shell: "{{ bin_dir }}/kubectl config set-context default \
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--cluster=kubernetes \
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--user=system:node:{{ inventory_hostname }} \
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--kubeconfig=kubelet.kubeconfig"
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- name: 选择默认上下文
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shell: "{{ bin_dir }}/kubectl config use-context default \
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--kubeconfig=kubelet.kubeconfig"
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- name: 移动 kubelet.kubeconfig
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shell: "mv /root/kubelet.kubeconfig /etc/kubernetes/"
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- name: 准备 cni配置文件
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template: src=cni-default.conf.j2 dest=/etc/cni/net.d/10-default.conf
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- name: 创建kubelet的systemd unit文件
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template: src=kubelet.service.j2 dest=/etc/systemd/system/kubelet.service
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tags: upgrade_k8s, restart_node
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- name: 开机启用kubelet 服务
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shell: systemctl enable kubelet
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ignore_errors: true
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- name: 开启kubelet 服务
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shell: systemctl daemon-reload && systemctl restart kubelet
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tags: upgrade_k8s, restart_node
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##-------kube-proxy部分----------------
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- name: 安装kube-proxy.kubeconfig配置文件
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synchronize: src=/etc/kubernetes/kube-proxy.kubeconfig dest=/etc/kubernetes/kube-proxy.kubeconfig
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delegate_to: "{{ groups.deploy[0] }}"
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- name: 创建kube-proxy 服务文件
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tags: reload-kube-proxy, upgrade_k8s, restart_node
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template: src=kube-proxy.service.j2 dest=/etc/systemd/system/kube-proxy.service
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- name: 开机启用kube-proxy 服务
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shell: systemctl enable kube-proxy
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ignore_errors: true
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- name: 开启kube-proxy 服务
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shell: systemctl daemon-reload && systemctl restart kube-proxy
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tags: reload-kube-proxy, upgrade_k8s, restart_node
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# 批准 node 节点，首先轮询等待kubelet启动完成
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- name: 轮询等待kubelet启动
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shell: "systemctl status kubelet.service|grep Active"
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register: kubelet_status
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until: '"running" in kubelet_status.stdout'
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retries: 8
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delay: 2
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#- name: 获取csr 请求信息
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# shell: "sleep 3 && {{ bin_dir }}/kubectl get csr"
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# delegate_to: "{{ groups.deploy[0] }}"
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# register: csr_info
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# run_once: true
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#- name: approve-kubelet-csr
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# shell: "{{ bin_dir }}/kubectl get csr|grep 'Pending' | awk 'NR>0{print $1}'| \
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# xargs {{ bin_dir }}/kubectl certificate approve"
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# when: '"Pending" in csr_info.stdout'
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# delegate_to: "{{ groups.deploy[0] }}"
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# run_once: true
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- name: 轮询等待node达到Ready状态
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shell: "{{ bin_dir }}/kubectl get node {{ inventory_hostname }}|awk 'NR>1{print $2}'"
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register: node_status
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delegate_to: "{{ groups.deploy[0] }}"
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until: node_status.stdout == "Ready" or node_status.stdout == "Ready,SchedulingDisabled"
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retries: 8
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delay: 8
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tags: upgrade_k8s, restart_node
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- name: 设置node节点role
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shell: "{{ bin_dir }}/kubectl label node {{ inventory_hostname }} kubernetes.io/role=node --overwrite"
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ignore_errors: true
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delegate_to: "{{ groups.deploy[0] }}"
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