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目錄

• 1 基于ansible role實現編譯安裝nginx
• 2 編譯安裝參數詳解

1 基于ansible role實現編譯安裝nginx

利用ansible控制端10.0.0.8機器，在被控制端10.0.0.18上部署nginx

首先打通ansible控制端與被控制端的基于key驗證

[root@ansible-rocky ~]$ ssh-copy-id 10.0.0.18
[root@ansible-rocky ~]$ ssh 10.0.0.18
Last login: Wed Jan 11 12:18:28 2023 from 10.0.0.8
[root@rocky8 ~]$ hostname -I
10.0.0.18

然后創建nginx項目目錄實現基于role的部署任務

#nginx role項目目錄總覽
[root@ansible-rocky opt]$ tree /opt
/opt
├── hosts_nginx
├── nginx_role.yml
└── roles
    └── nginx
        ├── handlers
        │   └── main.yml
        ├── tasks
        │   └── main.yml
        └── templates
            ├── nginx.conf.j2
            └── nginx.service.j2

#task文件
[root@ansible-rocky roles]$ cat nginx/tasks/main.yml 
- name: add group nginx
  group: name=nginx system=yes gid=80

- name: add user nginx
  user: name=nginx group=nginx uid=80 system=yes shell="/sbin/nologin" create_home=no

- name: install dependent package
  yum: name={{item}} state=latest
  loop:
    - gcc
    - make
    - pcre-devel
    - openssl-devel
    - zlib-devel
    - perl-ExtUtils-Embed

- name: get nginx source
  unarchive:
    src: "{{ url }}"
    dest: "/usr/local/src"
    remote_src: yes

- name: compile and install
  shell:
    cmd: "./configure --prefix={{install_dir}} --user=nginx --group=nginx --with-http_ssl_module --with-http_v2_module --with-http_realip_module --with-http_stub_status_module --with-http_gzip_static_module --with-pcre --with-stream --with-stream_ssl_module --with-stream_realip_module && make && make install"
    chdir: "/usr/local/src/nginx-{{ version }}"
    creates: "{{install_dir}}/sbin/nginx"

- name: config file
  template:
    src: nginx.conf.j2
    dest: "{{install_dir}}/conf/nginx.conf"
    owner: nginx
    group: nginx
  notify: restart service
  tags:
    - config

- name: create directory
  file:
    path: "{{install_dir}}/conf/conf.d"
    state: directory
    owner: nginx
    group: nginx

- name: change install directory owner
  file:
    path: "{{install_dir}}"
    owner: nginx
    group: nginx
    recurse: yes

- name: copy service file
  template:
    src: nginx.service.j2
    dest: "/lib/systemd/system/nginx.service"

- name: check config
  shell:
    cmd: "{{install_dir}}/sbin/nginx -t"
  register: check_nginx_config
  changed_when:
    - check_nginx_config.stdout.find('successful')
    - false

- name: start service
  systemd:
    daemon_reload: yes
    name: nginx.service
    state: started
    enabled: yes
      
#創建handler文件
[root@ansible-rocky roles]$ cat nginx/handlers/main.yml 
- name: restart service
  service:
    name: nginx
    state: restarted

#裝備兩個template文件
[root@ansible-rocky roles]$ cat nginx/templates/nginx.conf.j2 
user nginx;
worker_processes  {{ ansible_processor_vcpus*2 }};
events {
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    log_format  access_json '{"@timestamp":"$time_iso8601",'
        '"host":"$server_addr",'
        '"clientip":"$remote_addr",'
        '"size":$body_bytes_sent,'
        '"responsetime":$request_time,'
        '"upstreamtime":"$upstream_response_time",'
        '"upstreamhost":"$upstream_addr",'
        '"http_host":"$host",'
        '"uri":"$uri",'
        '"xff":"$http_x_forwarded_for",'
        '"referer":"$http_referer",'
        '"tcp_xff":"$proxy_protocol_addr",'
        '"http_user_agent":"$http_user_agent",'
        '"status":"$status"}';
    # logging                                                                                          
    access_log {{install_dir}}/logs/access-json.log access_json;
    error_log {{install_dir}}/logs/error.log warn;

    keepalive_timeout  65;
    include {{install_dir}}/conf/conf.d/*.conf;
}
[root@ansible-rocky roles]$ cat nginx/templates/nginx.service.j2 
[Unit]
Description=The nginx HTTP and reverse proxy server
After=network.target remote-fs.target nss-lookup.target

[Service]
Type=forking
PIDFile={{install_dir}}/logs/nginx.pid
ExecStartPre=/bin/rm -f {{install_dir}}/logs/nginx.pid
ExecStartPre={{install_dir}}/sbin/nginx -t
ExecStart={{install_dir}}/sbin/nginx
ExecReload=/bin/kill -s HUP \$MAINPID
KillSignal=SIGQUIT
TimeoutStopSec=5
KillMode=process
PrivateTmp=true                                                                                        
LimitNOFILE=100000

[Install]
WantedBy=multi-user.target

#在hosts文件中定義wensrvs需要的變量
[root@ansible-rocky opt]$ cat hosts_nginx 
[websrvs]
10.0.0.18

[websrvs:vars]
version="1.22.1"
url="http://nginx.org/download/nginx-{{ version }}.tar.gz"
install_dir="/apps/nginx"


#在playbook中調用角色
[root@ansible-rocky opt]$ cat nginx_role.yml 
- hosts: websrvs
  remote_user: root

  roles:
    - nginx
    
#運行playbook
[root@ansible-rocky opt]$ ansible-playbook -i hosts_nginx nginx_role.yml 

PLAY [websrvs] ****************************************************************************************

TASK [Gathering Facts] ********************************************************************************
ok: [10.0.0.18]

TASK [nginx : add group nginx] ************************************************************************
changed: [10.0.0.18]

TASK [nginx : add user nginx] *************************************************************************
changed: [10.0.0.18]

TASK [nginx : install dependent package] **************************************************************
changed: [10.0.0.18] => (item=gcc)
ok: [10.0.0.18] => (item=make)
changed: [10.0.0.18] => (item=pcre-devel)
changed: [10.0.0.18] => (item=openssl-devel)
ok: [10.0.0.18] => (item=zlib-devel)
changed: [10.0.0.18] => (item=perl-ExtUtils-Embed)

TASK [nginx : get nginx source] ***********************************************************************
changed: [10.0.0.18]

TASK [nginx : compile and install] ********************************************************************
changed: [10.0.0.18]

TASK [nginx : config file] ****************************************************************************
changed: [10.0.0.18]

TASK [nginx : create directory] ***********************************************************************
changed: [10.0.0.18]

TASK [nginx : change install directory owner] *********************************************************
changed: [10.0.0.18]

TASK [nginx : copy service file] **********************************************************************
changed: [10.0.0.18]

TASK [nginx : check config] ***************************************************************************
ok: [10.0.0.18]

TASK [nginx : start service] **************************************************************************
changed: [10.0.0.18]

RUNNING HANDLER [nginx : restart service] *************************************************************
changed: [10.0.0.18]

PLAY RECAP ********************************************************************************************
10.0.0.18                  : ok=13   changed=11   unreachable=0    failed=0    skipped=0    rescued=0    ignored=0

在被控制端檢查是否安裝完成

2 編譯安裝參數詳解

編譯安裝參數示例：

./configure --prefix={{install_dir}} \ 
--user=nginx \
--group=nginx \
--with-http_ssl_module \
--with-http_v2_module \
--with-http_realip_module \
--with-http_stub_status_module \
--with-http_gzip_static_module \
--with-pcre \
--with-stream \
--with-stream_ssl_module \
--with-stream_realip_module

在編譯安裝參數中--with開頭的選項默認是禁用的，想要使用的話就需要在編譯的時候加上；without開頭的選項默認是開啟的，不想要啟用此模塊的話就需要在編譯的時候加上。

通用配置選項參數：

默認開啟的模塊

默認未開啟模塊

perl模塊相關選項參數

郵件模塊相關配置選項參數

stream模塊相關參數