mirror of https://github.com/easzlab/kubeasz.git
147 lines
5.3 KiB
YAML
147 lines
5.3 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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- "/opt/kube/kube-system"
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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: 删除原有kubeconfig
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file: path=/root/.kube state=absent
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tags: create_kctl_cfg
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- name: 下载 group:read rbac 文件
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copy: src=read-group-rbac.yaml dest=/opt/kube/kube-system/read-group-rbac.yaml
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when: KUBECTL_USER == "read"
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tags: create_kctl_cfg
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- name: 创建group:read rbac 绑定
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shell: "{{ bin_dir }}/kubectl apply -f /opt/kube/kube-system/read-group-rbac.yaml"
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when: KUBECTL_USER == "read"
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tags: create_kctl_cfg
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- name: 准备kubectl使用的{{ KUBECTL_USER }}证书签名请求
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template: src={{ KUBECTL_USER }}-csr.json.j2 dest={{ ca_dir }}/{{ KUBECTL_USER }}-csr.json
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tags: create_kctl_cfg
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- name: 创建{{ KUBECTL_USER }}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 {{ KUBECTL_USER }}-csr.json | {{ bin_dir }}/cfssljson -bare {{ KUBECTL_USER }}"
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tags: create_kctl_cfg
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- name: 设置集群参数
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shell: "{{ bin_dir }}/kubectl config set-cluster {{ CLUSTER_NAME }} \
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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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tags: create_kctl_cfg
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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 {{ USER_NAME }} \
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--client-certificate={{ ca_dir }}/{{ KUBECTL_USER }}.pem \
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--embed-certs=true \
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--client-key={{ ca_dir }}/{{ KUBECTL_USER }}-key.pem"
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tags: create_kctl_cfg
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- name: 设置上下文参数
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shell: "{{ bin_dir }}/kubectl config set-context {{ CONTEXT_NAME }} \
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--cluster={{ CLUSTER_NAME }} --user={{ USER_NAME }}"
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tags: create_kctl_cfg
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- name: 选择默认上下文
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shell: "{{ bin_dir }}/kubectl config use-context {{ CONTEXT_NAME }}"
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tags: create_kctl_cfg
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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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- block:
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- name: 在 ansible 执行节点创建 .kube 目录
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file: path=/root/.kube state=directory
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- name: 获取 kubeconfig 文件
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fetch: src=/root/.kube/config dest=/root/.kube/config flat=yes
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- name: 创建 kubectl 命令的软连接
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file: src={{ base_dir }}/bin/kubectl dest=/usr/bin/kubectl state=link
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connection: local
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- name: 安装 rsync
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package: name=rsync state=present
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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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- 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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run_once: true
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when: "ansible_env['SSH_CLIENT'].split(' ')[0] != inventory_hostname"
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