Курс Ansible - урок 9 - Нацеливаемся на конкретные узлы#
Ansible — это невероятная утилита для управления конфигурацией и подготовки к работе, которая позволяет автоматизировать все процессы. В этой серии вы узнаете всё, что нужно знать, чтобы использовать Ansible для повседневных административных задач. В видео № 9 мы разделим файл инвентаризации на группы и рассмотрим, как запускать задачи на узлах в зависимости от их группы.
install_apache.yml#
---
- hosts: all
become: true
tasks:
- name: install apache and php for Ubuntu servers
apt:
name:
- apache2
- libapache2-mod-php
state: latest
update_cache: yes
when: ansible_distribution == "Ubuntu"
- name: install apache and php for CentOS servers
dnf:
name:
- httpd
- php
state: latest
update_cache: yes
when: ansible_distribution == "CentOS"
инвентарь (обновление с группами)#
[web_servers]
172.16.250.132
172.16.250.248
[db_servers]
172.16.250.133
[file_servers]
172.16.250.134
site.yml#
---
- hosts: all
become: true
tasks:
- name: install updates (CentOS)
dnf:
update_only: yes
update_cache: yes
when: ansible_distribution == "CentOS"
- name: install updates (Ubuntu)
apt:
upgrade: dist
update_cache: yes
when: ansible_distribution == "Ubuntu"
- hosts: web_servers
become: true
tasks:
- name: install apache and php for Ubuntu servers
apt:
name:
- apache2
- libapache2-mod-php
state: latest
when: ansible_distribution == "Ubuntu"
- name: install apache and php for CentOS servers
dnf:
name:
- httpd
- php
state: latest
when: ansible_distribution == "CentOS"
site.yml (вторая версия)#
---
- hosts: all
become: true
pre_tasks:
- name: install updates (CentOS)
dnf:
update_only: yes
update_cache: yes
when: ansible_distribution == "CentOS"
- name: install updates (Ubuntu)
apt:
upgrade: dist
update_cache: yes
when: ansible_distribution == "Ubuntu"
- hosts: web_servers
become: true
tasks:
- name: install apache2 package
apt:
name:
- apache2
- libapache2-mod-php
state: latest
when: ansible_distribution == "Ubuntu"
- name: install httpd package
dnf:
name:
- httpd
- php
state: latest
when: ansible_distribution == "CentOS"
site.yml (третья версия)#
---
- hosts: all
become: true
pre_tasks:
- name: install updates (CentOS)
dnf:
update_only: yes
update_cache: yes
when: ansible_distribution == "CentOS"
- name: install updates (Ubuntu)
apt:
upgrade: dist
update_cache: yes
when: ansible_distribution == "Ubuntu"
- hosts: web_servers
become: true
tasks:
- name: install httpd package (CentOS)
dnf:
name:
- httpd
- php
state: latest
when: ansible_distribution == "CentOS"
- name: install apache2 package (Ubuntu)
apt:
name:
- apache2
- libapache2-mod-php
state: latest
when: ansible_distribution == "Ubuntu"
- hosts: db_servers
become: true
tasks:
- name: install httpd package (CentOS)
dnf:
name: mariadb
state: latest
when: ansible_distribution == "CentOS"
- name: install mariadb server
apt:
name: mariadb-server
state: latest
when: ansible_distribution == "Ubuntu"
site.yml (четвертая версия)#
---
- hosts: all
become: true
pre_tasks:
- name: install updates (CentOS)
dnf:
update_only: yes
update_cache: yes
when: ansible_distribution == "CentOS"
- name: install updates (Ubuntu)
apt:
upgrade: dist
update_cache: yes
when: ansible_distribution == "Ubuntu"
- hosts: web_servers
become: true
tasks:
- name: install httpd package (CentOS)
dnf:
name:
- httpd
- php
state: latest
when: ansible_distribution == "CentOS"
- name: install apache2 package (Ubuntu)
apt:
name:
- apache2
- libapache2-mod-php
state: latest
when: ansible_distribution == "Ubuntu"
- hosts: db_servers
become: true
tasks:
- name: install mariadb server package (CentOS)
dnf:
name: mariadb
state: latest
when: ansible_distribution == "CentOS"
- name: install mariadb server
apt:
name: mariadb-server
state: latest
when: ansible_distribution == "Ubuntu"
- hosts: file_servers
become: true
tasks:
- name: install samba package
package:
name: samba
state: latest