kubeasz/roles/kube-master/tasks/main.yml

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- name: 下载 kube-master 二进制
copy: src={{ base_dir }}/bin/{{ item }} dest={{ bin_dir }}/{{ item }} mode=0755
with_items:
- kube-apiserver
- kube-controller-manager
- kube-scheduler
tags: upgrade_k8s
- name: 创建 kubernetes 证书签名请求
template: src=kubernetes-csr.json.j2 dest={{ ca_dir }}/kubernetes-csr.json
- name: 创建 kubernetes 证书和私钥
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 kubernetes-csr.json | {{ bin_dir }}/cfssljson -bare kubernetes"
# 创建aggregator proxy相关证书
- name: 创建 aggregator proxy证书签名请求
template: src=aggregator-proxy-csr.json.j2 dest={{ ca_dir }}/aggregator-proxy-csr.json
tags: upgrade_k8s
- name: 创建 aggregator-proxy证书和私钥
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 aggregator-proxy-csr.json | {{ bin_dir }}/cfssljson -bare aggregator-proxy"
tags: upgrade_k8s
- name: 创建 token.csv
template: src=token.csv.j2 dest={{ ca_dir }}/token.csv
- name: 创建 basic-auth.csv
template: src=basic-auth.csv.j2 dest={{ ca_dir }}/basic-auth.csv
- name: 创建kube-apiserver的systemd unit文件
template: src=kube-apiserver.service.j2 dest=/etc/systemd/system/kube-apiserver.service
tags: upgrade_k8s, restart_master
# 为兼容之前的模式需特别对v1.8版本重新配置kube-apiserver的systemd unit文件
- name: 创建kube-apiserver v1.8的systemd unit文件
template: src=kube-apiserver-{{ K8S_VER }}.service.j2 dest=/etc/systemd/system/kube-apiserver.service
tags: upgrade_k8s, restart_master
when: "K8S_VER is defined and K8S_VER == 'v1.8'"
- name: 创建kube-controller-manager的systemd unit文件
template: src=kube-controller-manager.service.j2 dest=/etc/systemd/system/kube-controller-manager.service
tags: upgrade_k8s, restart_master
- name: 创建kube-scheduler的systemd unit文件
template: src=kube-scheduler.service.j2 dest=/etc/systemd/system/kube-scheduler.service
tags: upgrade_k8s, restart_master
- name: enable master 服务
shell: systemctl enable kube-apiserver kube-controller-manager kube-scheduler
ignore_errors: true
- name: 启动 master 服务
shell: "systemctl daemon-reload && systemctl restart kube-apiserver && \
systemctl restart kube-controller-manager && systemctl restart kube-scheduler"
tags: upgrade_k8s, restart_master
- name: 以轮询的方式等待master服务启动完成
command: "{{ bin_dir }}/kubectl get node"
register: result
until: result.rc == 0
retries: 5
delay: 6
run_once: True
tags: upgrade_k8s, restart_master