需求背景
Centos7 下 Java 生成图片水印时中文乱码，原因是没有安装中文字体。
安装中文字体
以下是基于 Centos7 手动安装中文字体的详细步骤。当测试或者生产环境服务器比较多的时候，建议使用自动化运维工具。
# 安装字体库
$ yum -y install fontconfig
# 查看是否有中文字体
$ fc-list :lang=zh
# 创建中文字体目录
$ mkdir /usr/share/fonts/chinese
# 在 windows 的 C:\Windows\Fonts 目录下找到相应的字体 copy 到 chinese 目录下，这里以 宋体 为例
$ scp simsun.ttc simsunb.ttf root@xxxxx:/usr/share/fonts/chinese
# 查看是否有中文字体
$ fc-list :lang=zh
/usr/share/fonts/chinese/simsun.ttc: SimSun,宋体:style=Regular,常规
/usr/share/fonts/chinese/simsun.ttc: NSimSun,新宋体:style=Regular,常规
Ansible 批量安装
通常测试或者生产环境服务器比较多，下面记录如何使用 Ansbile 来批量安装中文字体。
# ansbile playbook 执行
$ ansible-playbook fonts.yml
# 验证所有服务器是否生效
$ ansible all -m shell -a "fc-list :lang=zh"
sever01 | SUCCESS | rc=0 >>
/usr/share/fonts/chinese/simsun.ttc: SimSun,宋体:style=Regular,常规
/usr/share/fonts/chinese/simsun.ttc: NSimSun,新宋体:style=Regular,常规
sever02 | SUCCESS | rc=0 >>
/usr/share/fonts/chinese/simsun.ttc: SimSun,宋体:style=Regular,常规
/usr/share/fonts/chinese/simsun.ttc: NSimSun,新宋体:style=Regular,常规
......
fonts.yml 内容：
---
- name: Install Chinese Fonts.
hosts: all
remote_user: root
become: yes
become_method: sudo
become_user: root
roles:
- fonts
ansible playbook 目录结构（删除了无用目录）：
$ tree roles/fonts
roles/fonts
├── files
│ ├── simsun.ttc
│ └── simsunb.ttf
└── tasks
└── main.yml
2 directories, 3 files
task/main.yml 内容：
---
# tasks file for fonts
- name: install fontconfig.
yum:
name: ""
state: installed
with_items:
- fontconfig
ignore_errors: true
- name: mkdir /usr/share/fonts/chinese.
file:
path: /usr/share/fonts/chinese
state: directory
mode: 0755
- name: Copy fonts to agent.
copy:
src: ""
dest: /usr/share/fonts/chinese
with_items:
- simsun.ttc
- simsunb.ttf
微信公众号：daodaotest