- name: 删除centos/redhat默认安装 yum: name: - firewalld - python-firewall - firewalld-filesystem state: absent #- name: 添加EPEL仓库 # yum: name=epel-release state=present - name: 安装基础软件包 yum: name: - conntrack-tools # ipvs 模式需要 - psmisc # 安装psmisc 才能使用命令killall,它在keepalive的监测脚本中使用到 - nfs-utils # 挂载nfs 共享文件需要 (创建基于 nfs的PV 需要) #- jq # 轻量JSON处理程序,安装docker查询镜像需要 - socat # 用于port forwarding - bash-completion # bash命令补全工具,需要重新登录服务器生效 - rsync # 文件同步工具,分发证书等配置文件需要 - ipset - ipvsadm state: present - name: 临时关闭 selinux shell: "setenforce 0" failed_when: false - name: 永久关闭 selinux lineinfile: dest: /etc/selinux/config regexp: "^SELINUX=" line: "SELINUX=disabled" # 优化设置 journal 日志相关,避免日志重复搜集,浪费系统资源 - name: 禁止rsyslog获取journald日志 lineinfile: dest: /etc/rsyslog.conf state: present regexp: 'ModLoad imjournal' line: '#$ModLoad imjournal # provides access to the systemd journal' - name: 重启rsyslog服务 service: name=rsyslog state=restarted