修复centos系统重启haproxy启动失败问题

roles/lb/tasks/main.yml

@@ -17,8 +17,9 @@
 - name: 创建haproxy配置目录
   file: name=/etc/haproxy state=directory
 
-- name: 创建haproxy工作目录
-  file: name=/run/haproxy state=directory owner=haproxy group=haproxy
+- name: 修改centos的haproxy.service
+  template: src=haproxy.service.j2 dest=/usr/lib/systemd/system/haproxy.service
+  when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "7"
 
 - name: 配置 haproxy
   template: src=haproxy.cfg.j2 dest=/etc/haproxy/haproxy.cfg
@@ -48,7 +49,7 @@
   when: LB_ROLE == "backup"
 
 - name: 重启haproxy服务
-  shell: systemctl enable haproxy && systemctl restart haproxy
+  shell: systemctl enable haproxy && systemctl daemon-reload && systemctl restart haproxy
 
 - name: 重启keepalived服务
   shell: systemctl enable keepalived && systemctl restart keepalived

roles/lb/templates/haproxy.service.j2

@@ -0,0 +1,13 @@
+[Unit]
+Description=HAProxy Load Balancer
+After=syslog.target network.target
+
+[Service]
+EnvironmentFile=/etc/sysconfig/haproxy
+ExecStartPre=/usr/bin/mkdir /run/haproxy
+ExecStart=/usr/sbin/haproxy-systemd-wrapper -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid $OPTIONS
+ExecReload=/bin/kill -USR2 $MAINPID
+KillMode=mixed
+
+[Install]
+WantedBy=multi-user.target

roles/prepare/tasks/main.yml

@@ -35,3 +35,4 @@
 - name: 关闭 selinux
   shell: "setenforce 0 && echo SELINUX=disabled > /etc/selinux/config"
   when: ansible_distribution == "CentOS"
+  ignore_errors: true