更新生成kubeconfig脚本与文档

pull/398/head
gjmzj 2018-11-30 15:18:17 +08:00
parent b542542163
commit 43de866aa5
3 changed files with 41 additions and 0 deletions

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@ -59,6 +59,11 @@ kubeconfig 为与apiserver交互使用的认证配置文件如脚本步骤需
创建完成后生成默认配置文件为 `~/.kube/config` 创建完成后生成默认配置文件为 `~/.kube/config`
## 恢复 admin 权限
- 可以恢复之前备份的`~/.kubeadmin`文件:`mv ~/.kube ~/.kuberead && mv ~/.kubeadmin ~/.kube`
- 或者直接执行 `ansible-playbook /etc/ansible/roles/deploy/create-admin-kubeconfig.yml`
## 参考 ## 参考
- [Using RBAC Authorization](https://kubernetes.io/docs/reference/access-authn-authz/rbac/) - [Using RBAC Authorization](https://kubernetes.io/docs/reference/access-authn-authz/rbac/)

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@ -0,0 +1,33 @@
- hosts: deploy
tasks:
- name: 删除原有kubeconfig
file: path=/root/.kube state=absent
- name: 准备kubectl使用的admin 证书签名请求
template: src=admin-csr.json.j2 dest={{ ca_dir }}/admin-csr.json
- name: 创建 admin证书与私钥
shell: "cd {{ ca_dir }} && {{ bin_dir }}/cfssl gencert \
-ca={{ ca_dir }}/ca.pem \
-ca-key={{ ca_dir }}/ca-key.pem \
-config={{ ca_dir }}/ca-config.json \
-profile=kubernetes admin-csr.json | {{ bin_dir }}/cfssljson -bare admin"
# 设置集群参数指定CA证书和apiserver地址
- name: 设置集群参数
shell: "{{ bin_dir }}/kubectl config set-cluster kubernetes \
--certificate-authority={{ ca_dir }}/ca.pem \
--embed-certs=true \
--server={{ KUBE_APISERVER }}"
# 设置客户端认证参数指定使用admin证书和私钥
- name: 设置客户端认证参数
shell: "{{ bin_dir }}/kubectl config set-credentials admin \
--client-certificate={{ ca_dir }}/admin.pem \
--embed-certs=true \
--client-key={{ ca_dir }}/admin-key.pem"
# 设置上下文参数说明使用cluster集群和用户admin
- name: 设置上下文参数
shell: "{{ bin_dir }}/kubectl config set-context kubernetes \
--cluster=kubernetes --user=admin"
# 选择默认上下文
- name: 选择默认上下文
shell: "{{ bin_dir }}/kubectl config use-context kubernetes"

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@ -9,6 +9,9 @@
- name: 创建group:read rbac 绑定 - name: 创建group:read rbac 绑定
shell: "{{ bin_dir }}/kubectl apply -f /opt/kube/kube-system/read-group-rbac.yaml" shell: "{{ bin_dir }}/kubectl apply -f /opt/kube/kube-system/read-group-rbac.yaml"
- name: 删除原有kubeconfig
file: path=/root/.kube state=absent
# 创建readonly kubectl kubeconfig文件: /root/.kube/config # 创建readonly kubectl kubeconfig文件: /root/.kube/config
- name: 准备kubectl使用的read 证书签名请求 - name: 准备kubectl使用的read 证书签名请求
template: src=read-csr.json.j2 dest={{ ca_dir }}/read-csr.json template: src=read-csr.json.j2 dest={{ ca_dir }}/read-csr.json