kubeasz/roles/ex-lb/tasks/main.yml

71 lines
1.9 KiB
YAML

# ex-lb 节点成员不能同时是 kube-node 节点,因为它们都需要安装 haproxy
- name: fail info1
fail: msg="an 'ex-lb' node CAN NOT be a 'kube-node' node at the same time"
when: "inventory_hostname in groups['kube-node']"
# 自动设置LB节点变量'LB_IF'
- name: 注册变量 LB_IF_TMP
shell: "ip a|grep '{{ inventory_hostname }}/'|awk '{print $NF}'"
register: LB_IF_TMP
tags: restart_lb
- name: 设置变量 LB_IF
set_fact: LB_IF={{ LB_IF_TMP.stdout }}
tags: restart_lb
- name: 创建相关目录
file: name={{ item }} state=directory
with_items:
- /etc/haproxy
- /etc/keepalived
- name: 安装 haproxy+keepalived
package: name={{ item }} state=present
with_items:
- haproxy
- keepalived
when: 'INSTALL_SOURCE != "offline"'
# 离线安装 haproxy+keepalived
- import_tasks: offline.yml
when: 'INSTALL_SOURCE == "offline"'
- name: 修改centos的haproxy.service
template: src=haproxy.service.j2 dest=/usr/lib/systemd/system/haproxy.service
when: 'ansible_distribution in ["CentOS","RedHat","Amazon"]'
tags: restart_lb
- name: 配置 haproxy
template: src=haproxy.cfg.j2 dest=/etc/haproxy/haproxy.cfg
tags: restart_lb
- name: 配置 keepalived 主节点
template: src=keepalived-master.conf.j2 dest=/etc/keepalived/keepalived.conf
when: LB_ROLE == "master"
tags: restart_lb
- name: 配置 keepalived 备节点
template: src=keepalived-backup.conf.j2 dest=/etc/keepalived/keepalived.conf
when: LB_ROLE == "backup"
tags: restart_lb
- name: daemon-reload for haproxy.service
shell: systemctl daemon-reload
tags: restart_lb
- name: 开机启用haproxy服务
shell: systemctl enable haproxy
ignore_errors: true
- name: 重启haproxy服务
shell: systemctl restart haproxy
tags: restart_lb
- name: 开机启用keepalived服务
shell: systemctl enable keepalived
ignore_errors: true
- name: 重启keepalived服务
shell: systemctl restart keepalived
tags: restart_lb