mirror of https://github.com/easzlab/kubeasz.git
112 lines
4.4 KiB
YAML
112 lines
4.4 KiB
YAML
- name: prepare some dirs
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file: name={{ item }} state=directory
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with_items:
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- "{{ bin_dir }}"
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- "{{ ca_dir }}"
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- "{{ base_dir }}"
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- "/etc/kubernetes"
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- name: 下载证书工具 CFSSL和 kubectl
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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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- cfssl
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- cfssl-certinfo
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- cfssljson
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- kubectl
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# 注册变量p，根据p的stat信息判断是否已经生成过ca证书，如果没有，下一步生成证书
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# 如果已经有ca证书，为了保证整个安装的幂等性，跳过证书生成的步骤
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- name: 读取ca证书stat信息
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stat: path="{{ ca_dir }}/ca.pem"
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register: p
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- name: 准备CA配置文件
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template: src=ca-config.json.j2 dest={{ ca_dir }}/ca-config.json
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when: p.stat.isreg is not defined
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- name: 准备CA签名请求
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template: src=ca-csr.json.j2 dest={{ ca_dir }}/ca-csr.json
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when: p.stat.isreg is not defined
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- name: 生成 CA 证书和私钥
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when: p.stat.isreg is not defined
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shell: "cd {{ ca_dir }} && {{ bin_dir }}/cfssl gencert -initca ca-csr.json | {{ bin_dir }}/cfssljson -bare ca"
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#----------- 创建kubectl kubeconfig文件: /root/.kube/config
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- name: 准备kubectl使用的admin 证书签名请求
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template: src=admin-csr.json.j2 dest={{ ca_dir }}/admin-csr.json
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- name: 创建 admin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 admin-csr.json | {{ bin_dir }}/cfssljson -bare admin"
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# 设置集群参数，指定CA证书和apiserver地址
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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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# 设置客户端认证参数，指定使用admin证书和私钥
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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 admin \
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--client-certificate={{ ca_dir }}/admin.pem \
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--embed-certs=true \
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--client-key={{ ca_dir }}/admin-key.pem"
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# 设置上下文参数，说明使用cluster集群和用户admin
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- name: 设置上下文参数
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shell: "{{ bin_dir }}/kubectl config set-context kubernetes \
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--cluster=kubernetes --user=admin"
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# 选择默认上下文
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- name: 选择默认上下文
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shell: "{{ bin_dir }}/kubectl config use-context kubernetes"
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#------------创建kube-proxy.kubeconfig配置文件: /root/kube-proxy.kubeconfig
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- name: 准备kube-proxy 证书签名请求
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template: src=kube-proxy-csr.json.j2 dest={{ ca_dir }}/kube-proxy-csr.json
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- name: 创建 kube-proxy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 kube-proxy-csr.json | {{ bin_dir }}/cfssljson -bare kube-proxy"
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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=kube-proxy.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 kube-proxy \
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--client-certificate={{ ca_dir }}/kube-proxy.pem \
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--client-key={{ ca_dir }}/kube-proxy-key.pem \
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--embed-certs=true \
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--kubeconfig=kube-proxy.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=kube-proxy \
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--kubeconfig=kube-proxy.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 --kubeconfig=kube-proxy.kubeconfig"
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- name: 移动 kube-proxy.kubeconfig
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shell: "mv /root/kube-proxy.kubeconfig /etc/kubernetes/"
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# --- 以下为兼容ansible执行节点与deploy节点分离情况-------
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- name: 复制 manifests至 deploy节点
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#copy: src={{ base_dir }}/manifests dest={{ base_dir }}
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synchronize: src={{ base_dir }}/manifests dest={{ base_dir }}
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when: "ansible_env['SSH_CLIENT'].split(' ')[0] != inventory_hostname"
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- name: 推送 ssh 密钥对至 deploy节点
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copy: src=~/.ssh/{{ item }} dest=~/.ssh/{{ item }} mode=0600
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with_items:
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- id_rsa
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- id_rsa.pub
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- known_hosts
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when: "ansible_env['SSH_CLIENT'].split(' ')[0] != inventory_hostname"
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