# ansible k3s-cluster -m setup
ubuntu20-bj03 | SUCCESS => {
"ansible_facts": {
"ansible_all_ipv4_addresses": [
"10.0.16.4"
],
"ansible_all_ipv6_addresses": [
"fe80::5054:ff:fed6:42a8"
],
"ansible_apparmor": {
"status": "enabled"
},
"ansible_architecture": "x86_64",
"ansible_bios_date": "04/01/2014",
"ansible_bios_vendor": "SeaBIOS",
"ansible_bios_version": "seabios-1.9.1-qemu-project.org",
"ansible_board_asset_tag": "NA",
"ansible_board_name": "NA",
"ansible_board_serial": "NA",
"ansible_board_vendor": "NA",
"ansible_board_version": "NA",
"ansible_chassis_asset_tag": "NA",
"ansible_chassis_serial": "NA",
"ansible_chassis_vendor": "Smdbmds",
"ansible_chassis_version": "3.0",
# 多余的冗余信息就不放了，自己可以执行验证下。
# setup获得变量信息，都可以用于继承给playbook调用。
}
denis_test.fact
[general]
package = vsftpd
service = vsftpd
state = starte
setup_facts.yaml
---
- name: Install Remote Facts
hosts: k3s-cluster
vars:
remote_dir: /etc/ansible/facts.d
facts_file: denis_test.fact
tasks:
- name: Create Directory
file:
state: directory
recurse: yes
path: "{{ remote_dir }}"
- name: Install the new facts
copy:
src: "{{ facts_file }}"
dest: "{{ remote_dir }}"
执行测试
# ansible-playbook setup_facts.yaml
# ansible test -m setup
ubuntu20-bj03 | SUCCESS => {
"ansible_facts": {
# -----分隔符-----
"ansible_local": {
"custom": {
"general": {
"package": "vsftpd",
"service": "vsftpd",
"state": "started"
}
}
},
# -----分隔符-----
}
调用测试
deniss_test.yaml
- name: Install Apache and starts the service
hosts: k3s-cluster
tasks:
- name: Install Package
yum:
name: "{{ ansible_facts.ansible_local.custom.general.package }}"
state: latest
- name: Start Service
service:
name: "{{ ansible_facts.ansible_local.custom.general.service }}"
state: "{{ ansible_facts.ansible_local.custom.general.state }}"
deniss_fact_demo.yaml
- name: set_fact demo
hosts: k3s-cluster
tasks:
- name: Calculate InnoDB buffer pool size
set_fact: innodb_buffer_pool_size_mb="{{ ansible_memtotal_mb / 2 |int }}"
- debug: var=innodb_buffer_pool_size_mb
执行测试
# ansible-playbook deniss_fact_demo.yaml
PLAY [set_fact demo] *****************************************************************************************************************************************************
TASK [Gathering Facts] ******************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [Calculate InnoDB buffer pool size] ************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [debug] ****************************************************************************************************************************************************************
ok: [ubuntu20-bj03] => {
"innodb_buffer_pool_size_mb": "2911.2"
}
PLAY RECAP ******************************************************************************************************************************************************************
ubuntu20-bj03 : ok=3 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
- hosts: k3s-cluster
name: test demo
gather_facts: False
tasks：
- name: wait for ssh to be running
local_action: wait_for port=22 host="{{ inventory_hostname }}" search_regex=OpenSSH
- name: gather facts
setup:
[defaults]
gathering = smart
# 缓存时间
fact_caching_timeout = 86400
fact_caching = {jsonfile/redis/memcached}
# 指定ansible包含fact的json文件位置，如果目录不存在，会自动创建
# local
fact_caching_connection = /tmp/ansible_fact_cache
# redis
fact_caching_connection = 127.0.0.1:6379:admin
# memcached
fact_caching_connection = ['127.0.0.1:11211']
# playbook 配置
- hosts: k3s-cluster
gather_facts: no
# ansible.cfg 配置
[defaults]
gathering = explicit
[appserver]
# 定义变量 node_id
10.0.8.2 node_id=17
# 对主机组 定义统一变量 domain_name
[k3s-cluster:vars]
domain_name=deniss.wang
---
- hosts: k3s-cluster
become: yes
become_user: root
tasks:
- name: set hostname
hostname: name={{ node_id }}.{{ domain_name }}
---
- hosts: k3s-cluster
remote_user: root
# 定义变量
vars:
- pkg_name: httpd
- env_name: prod
tasks:
- name: {{ env_name }} install {{ pkg_name }}
yum: name={{ pkg_name }}
---
pkg_name: httpd
file_name: deniss.wang
---
- hosts: k3s-cluster
remote_user: root
# 配置模板文件
vars_files:
# 指定文件的路径
- vars.yaml
tasks:
- name: install {{ pkg_name }}
yum: name={{ pkg_name }}
- name: create {{ file_name }} file
file: name=/tmp/{{ file_name }}.txt state=touch
# ansible-playbook install.yaml
PLAY [k3s-cluster] *******************************************************************************************************
TASK [Gathering Facts] *******************************************************************************************
ok: [10.0.8.2]
TASK [install httpd] *********************************************************************************************
changed: [10.0.8.2]
TASK [create deniss.wang file] **************************************************************************************
changed: [10.0.8.2]
PLAY RECAP *******************************************************************************************************
10.0.8.2 : ok=3 changed=2 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
# tree nginx/
|-- nginx.yaml
|-- templates
|-- nginx.conf.j2
“
算术运算
user nginx;
# 这里使用 环境变量 vcpus * 2，会根据操作系统CPU自动生成。
worker_processes {{ ansible_processor_vcpus * 2 }};
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
include /usr/share/nginx/modules/*.conf;
events {
worker_connections 10240;
}
http {
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log /var/log/nginx/access.log main;
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
include /etc/nginx/mime.types;
default_type application/octet-stream;
include /etc/nginx/conf.d/*.conf;
server {
listen 80 default_server;
listen [::]:80 default_server;
server_name _;
root /usr/share/nginx/html;
# Load configuration files for the default server block.
include /etc/nginx/default.d/*.conf;
location / {
}
error_page 404 /404.html;
location = /40x.html {
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
}
}
}
---
- hosts: k3s-cluster
become: yes
become_user: root
tasks:
- name: install nginx
yum: name=nginx
- name: nginx template conf
# 如果yaml与templates在同一目录, src直接写.j2文件
template: src="/a2020/img/data-img.jpg" data-src=nginx.conf.j2 dest=/etc/nginx/nginx.conf
notify:
- restart nginx
- name: start nginx
service: name=nginx state=started enabled=yes
handlers:
- name: restart nginx
service: name=nginx state=restarted
“
when 条件语句
# tree nginx
|-- nginx.yaml
|-- templates
|-- nginx.conf.centos7.j2
|-- nginx.conf.centos8.j2
---
- hosts: k3s-cluster
become: yes
become_user: root
tasks:
- name: install nginx
yum: name=nginx
- name: template centos 7 conf
# 如果 yaml 与 templates 在同一目录, src 直接写.j2 文件。
template: src="/a2020/img/data-img.jpg" data-src=nginx.conf.centos7.j2 dest=/etc/nginx/nginx.conf
# 使用 when 语句进行判断 如果变量为 "7" 执行以下操作
when: ansible_distribution_major_version == "7"
notify:
- restart nginx
- name: template centos 8 conf
# 同上
template: src="/a2020/img/data-img.jpg" data-src=nginx.conf.centos8.j2 dest=/etc/nginx/nginx.conf
# 使用 when 语句进行判断 如果变量为 'Ubuntu' 且版本为20 执行以下操作
when: (ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "20"
notify:
- restart nginx
- name: start nginx
service: name=nginx state=started enabled=yes
handlers:
- name: restart nginx
service: name=nginx state=restarted
# ansible-playbook nginx.yml
PLAY [k3s-cluster] *******************************************************************************************
TASK [Gathering Facts] *******************************************************************************
ok: [10.0.8.2]
TASK [install nginx] *********************************************************************************
ok: [10.0.8.2]
TASK [template centos 7 conf] ************************************************************************
changed: [10.0.8.2]
TASK [template centos 8 conf] ************************************************************************
skipping: [10.0.8.2]
TASK [start nginx] ***********************************************************************************
ok: [10.0.8.2]
RUNNING HANDLER [restart nginx] **********************************************************************
changed: [10.0.3.13]
PLAY RECAP *******************************************************************************************
10.0.8.2 : ok=5 changed=2 unreachable=0 failed=0 skipped=1 rescued=0 ignored=0
“
迭代变量 with_tiems
---
- hosts: k3s-cluster
become: yes
become_user: root
tasks:
- name: create multi files
# {{ item }} 为内置特殊变量, 代表 with_items 列表中的内容
file: name=/tmp/{{ item }} state=touch
with_items:
- file_one
- file_two
- file_three
- file_four
- name: install multi software
yum: name={{ item }}
with_items:
- vsftpd
- net-tools
- iftop
“
代嵌套子变量 (字典)
---
- hosts: k3s-cluster
become: yes
become_user: root
tasks:
- name: create some files
# {{ item }} 为特殊变量, 代表 with_itmes 列表中的内容
file: name=/tmp/{{ item }} state=touch
with_items:
- file_one
- file_two
- file_three
- file_four
- name: create multi group
group: name={{ item }}
with_items:
- jinja2_file1
- jinja2_file2
- jinja2_file3
- jinja2_file4
- name: create multi user
# 使用 item.key值 进行引用
user: name={{ item.name }} group={{ item.group }}
# 使用 字典 定义 嵌套的子 变量
with_items:
- { name: 'file_one', group: 'jinja2_file1' }
- { name: 'file_two', group: 'jinja2_file2' }
- { name: 'file_three', group: 'jinja2_file3' }
- { name: 'file_four', group: 'jinja2_file4' }
- name: permission multi files
file: name=/tmp/{{ item.name }} owner={{ item.name }} group={{ item.group }}
with_items:
- { file: 'file_one', name: 'file_one', group: 'jinja2_file1' }
- { file: 'file_two', name: 'file_two', group: 'jinja2_file2' }
- { file: 'file_three', name: 'file_three', group: 'jinja2_file3' }
- { file: 'file_four', name: 'file_four', group: 'jinja2_file4' }
# ansible-playbook file.yml
PLAY [k3s-cluster] *****************************************************************************************
TASK [Gathering Facts] *****************************************************************************
ok: [10.0.8.2]
TASK [create multi files] ***************************************************************************
changed: [10.0.8.2] => (item=file_one)
changed: [10.0.8.2] => (item=file_two)
changed: [10.0.8.2] => (item=file_three)
changed: [10.0.8.2] => (item=file_four)
TASK [create multi group] ***************************************************************************
changed: [10.0.8.2] => (item=jinja2_file1)
changed: [10.0.8.2] => (item=jinja2_file2)
changed: [10.0.8.2] => (item=jinja2_file3)
changed: [10.0.8.2] => (item=jinja2_file4)
TASK [create multi user] ****************************************************************************
changed: [10.0.8.2] => (item={u'group': u'jinja2_file1', u'name': u'file_one'})
changed: [10.0.8.2] => (item={u'group': u'jinja2_file2', u'name': u'file_two'})
changed: [10.0.8.2] => (item={u'group': u'jinja2_file3', u'name': u'file_three'})
changed: [10.0.8.2] => (item={u'group': u'jinja2_file4', u'name': u'file_four'})
TASK [permission multi files] ***********************************************************************
changed: [10.0.8.2] => (item={u'group': u'jinja2_file1', u'name': u'file_one', u'file': u'file1'})
changed: [10.0.8.2] => (item={u'group': u'jinja2_file2', u'name': u'file_two', u'file': u'file2'})
changed: [10.0.8.2] => (item={u'group': u'jinja2_file3', u'name': u'file_three', u'file': u'file3'})
changed: [10.0.8.2] => (item={u'group': u'jinja2_file4', u'name': u'file_four', u'file': u'file4'})
PLAY RECAP *****************************************************************************************
10.0.8.2 : ok=5 changed=4 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
“
流程控制、循环 for 与 if
---
- hosts: k3s-cluster
become: yes
become_user: root
vars:
# 列表
listen_port:
- 80
- 81
- 82
# 字典
service:
- name: web1
domain: deniss.wang
port: 9090
user: nginx
path: /var/www/html
- name: web2
domain: deniss.wang
port: 9091
user: nginx
path: /var/www/html
- name: web3
domain: deniss.wang
port: 9092
user: nginx
path: /var/www/html
tasks:
- name: copy template conf
template: src="/a2020/img/data-img.jpg" data-src=for.conf.j2 dest=/tmp/for.conf
{% for port in listen_port %}
server {
listen {{ port }}
}
{% endfor %}
# cat /root/for.conf
server {
listen 80
}
server {
listen 81
}
server {
listen 82
}
---
- hosts: k3s-cluster
become: yes
become_user: root
vars:
# 字典的形式
service:
- name: web1
domain: deniss.wang
port: 9090
user: nginx
path: /var/www/html
- name: web2
domain: deniss.wang
port: 9091
user: nginx
path: /var/www/html
- name: web3
domain: deniss.wang
port: 9092
user: nginx
path: /var/www/html
tasks:
- name: copy template conf
template: src="/a2020/img/data-img.jpg" data-src=nginx.conf.j2 dest=/tmp/nginx.conf
{% for s in service %}
user {{ s.user }};
worker_processes {{ ansible_processor_vcpus * 2 }};
pid /run/nginx.pid;
server {
listen {{ s.port }} default_server;
listen [::]:{{ s.port }} default_server;
server_name {{ s.name }}.{{ s.domain }};
root {{ s.path }};
}
{% endfor %}
---
- hosts: k3s-cluster
become: yes
become_user: root
vars:
# 字典
service:
- name: web1
domain: deniss.wang
port: 90
path: /var/www/html
- name: web2
domain: deniss.wang
port: 91
path: /var/www/html
- name: web3
domain: deniss.wang
port: 92
user: nginx
path: /var/www/html
tasks:
- name: copy template conf
template: src="/a2020/img/data-img.jpg" data-src=nginx2.conf.j2 dest=/tmp/nginx2.conf
{% for s in service %}
{% if s.user is defined %}
user {{ s.user }};
{% else %}
user root;
{% endif %}
worker_processes {{ ansible_processor_vcpus * 2 }};
pid /run/nginx.pid;
server {
listen {{ s.port }} default_server;
server_name {{ s.name }}.{{ s.domain }};
root {{ s.path }};
}
{% endfor %}
# cat nginx2.conf
user root;
worker_processes 4;
pid /run/nginx.pid;
server {
listen 90 default_server;
server_name web1.deniss.wang;
root /var/www/html;
}
user root;
worker_processes 4;
pid /run/nginx.pid;
server {
listen 91 default_server;
server_name web2.deniss.wang;
root /var/www/html;
}
user nginx;
worker_processes 4;
pid /run/nginx.pid;
server {
listen 92 default_server;
server_name web3.deniss.wang;
root /var/www/html;
}
Demo
---
# 指定主机组
- hosts: k3s-cluster
# 开启提权，指定用户
become: yes
become_user: root
# 任务
tasks:
# 任务的名称
- name: ping server
ping:
- name: echo hostname
# shell 为模块名, 后面等同于 -a '' 参数
shell: hostname
- name: touch file
file: name=/tmp/file.txt state=touch
- name: echo file
shell: ls -l /tmp/file.txt
- name: write file
shell: echo "hello world" > /tmp/file.txt
- name: copy module write file
copy: content="hello deniss
" dest=/tmp/deniss.txt
- name: display file content
shell: cat /tmp/file.txt
register: display_content1
- name: show
debug: var=display_content1.stdout verbosity=0
- name: display copy module file content
shell: cat /tmp/deniss.txt
register: display_content2
- name: show
debug: var=display_content2.stdout verbosity=0
# ansible-playbook hello.yaml
PLAY [k3s-cluster] *******************************************************************************************************************************************************************
TASK [Gathering Facts] ***************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [ping server] *******************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [echo hostname] *****************************************************************************************************************************************************************
changed: [ubuntu20-bj03]
TASK [touch file] ********************************************************************************************************************************************************************
changed: [ubuntu20-bj03]
TASK [echo file] *********************************************************************************************************************************************************************
changed: [ubuntu20-bj03]
TASK [write file] ********************************************************************************************************************************************************************
changed: [ubuntu20-bj03]
TASK [copy module write file] ********************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [display file content] **********************************************************************************************************************************************************
changed: [ubuntu20-bj03]
TASK [show] **************************************************************************************************************************************************************************
ok: [ubuntu20-bj03] => {
"display_content1.stdout": "hello world"
}
TASK [display copy module file content] **********************************************************************************************************************************************
changed: [ubuntu20-bj03]
TASK [show] **************************************************************************************************************************************************************************
ok: [ubuntu20-bj03] => {
"display_content2.stdout": "hello deniss"
}
PLAY RECAP ***************************************************************************************************************************************************************************
ubuntu20-bj03 : ok=11 changed=6 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
---
# 指定主机组
- hosts: k3s-cluster
# 开启提权，指定用户
become: yes
become_user: root
tasks:
- name: copy httpd.conf
copy: src="/a2020/img/data-img.jpg" data-src=~/ansible/httpd.conf dest=/etc/httpd/conf/httpd.conf backup=yes
# 关联多个触发器的写法
notify:
- restart httpd
- check status httpd
- check network port
Demo
Centos
---
# 指定主机组
- hosts: k3s-cluster
# 开启提权，指定用户
become: yes
become_user: root
tasks:
- name: install httpd
yum: name=httpd
- name: copy httpd.conf
copy: src="/a2020/img/data-img.jpg" data-src=/opt/ansible/conf/httpd.conf dest=/etc/httpd/conf/httpd.conf backup=yes
# 此任务 如果有变动会触发如下定义名称的触发器
notify: restart httpd
- name: start httpd
service: name=httpd state=started enabled=yes
# 触发器, 需要配置 notify 触发
handlers:
- name: restart httpd
service: name=httpd state=restarted
Ubuntu
---
# 指定主机组
- hosts: k3s-cluster
# 开启提权，指定用户
become: yes
become_user: root
tasks:
- name: Update apt-get repo and cache
apt: update_cache=yes force_apt_get=yes cache_valid_time=3600
- name: Install Vsftpd
apt:
name: vsftpd
- name: copy vsftpd.conf
copy: src="/a2020/img/data-img.jpg" data-src=/opt/ansible/conf/vsftpd.conf dest=/etc/vsftpd.conf backup=yes
notify: restart vsftpd
- name: start vsftpd
service: name=vsftpd state=started enabled=yes
# 配置 notify 触发，修改配置文件的时候生效。
handlers:
- name: restart vsftpd
service: name=vsftpd state=restarted
# ansible-playbook install_vsftpd.yaml
PLAY [k3s-cluster] *******************************************************************************************************************************************************************
TASK [Gathering Facts] ***************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [Update apt-get repo and cache] *************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [Install Vsftpd] ****************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [copy vsftpd.conf] **************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [start vsftpd] ******************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
PLAY RECAP ***************************************************************************************************************************************************************************
ubuntu20-bj03 : ok=5 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
# ansible-playbook install_pkg.yaml
PLAY [k3s-cluster] *******************************************************************************************************************************************************************
TASK [Gathering Facts] ***************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [Update apt-get repo and cache] *************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [Install Vsftpd] ****************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [copy vsftpd.conf] **************************************************************************************************************************************************************
changed: [ubuntu20-bj03]
TASK [start vsftpd] ******************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
RUNNING HANDLER [restart vsftpd] *****************************************************************************************************************************************************
changed: [ubuntu20-bj03]
PLAY RECAP ***************************************************************************************************************************************************************************
ubuntu20-bj03 : ok=6 changed=2 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
---
# 指定主机组
- hosts: k3s-cluster
# 开启提权，指定用户
become: yes
become_user: root
tasks:
- name: Update apt-get repo and cache
apt: update_cache=yes force_apt_get=yes cache_valid_time=3600
- name: Install Vsftpd
apt:
name: vsftpd
- name: copy vsftpd.conf
copy: src="/a2020/img/data-img.jpg" data-src=conf/vsftpd.conf dest=/etc/vsftpd.conf backup=yes
notify: restart vsftpd
# 定义标签
tags: cpconf
- name: start vsftpd
service: name=vsftpd state=started enabled=yes
# 定义标签
tags: upvsftpd
# 配置 notify 触发，修改配置文件的时候生效。
handlers:
- name: restart vsftpd
service: name=vsftpd state=restarted
# ansible-playbook -t upvsftpd install_vsftpd.yaml
PLAY [k3s-cluster] *******************************************************************************************************************************************************************
TASK [Gathering Facts] ***************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [start vsftpd] ******************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
PLAY RECAP ***************************************************************************************************************************************************************************
ubuntu20-bj03 : ok=2 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
# ansible-playbook -t cpconf install_vsftpd.yaml
PLAY [k3s-cluster] *******************************************************************************************************************************************************************
TASK [Gathering Facts] ***************************************************************************************************************************************************************
ok: [ubuntu20-bj03]
TASK [copy vsftpd.conf] **************************************************************************************************************************************************************
changed: [ubuntu20-bj03]
RUNNING HANDLER [restart vsftpd] *****************************************************************************************************************************************************
changed: [ubuntu20-bj03]
PLAY RECAP ***************************************************************************************************************************************************************************
ubuntu20-bj03 : ok=3 changed=2 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
# ansible-consoleWelcome to the ansible console.Type help or ? to list commands.deniss.wang@all (10)[f:5]$
# tree .
|-- nginx
|-- defaults
|-- files
|-- handlers
|-- meta
|-- tasks
|-- templates
|-- vars
# tree roles/
roles/
|-- nginx
|-- defaults
|-- files
|-- handlers
|-- meta
|-- tasks
| |-- group.yaml
| |-- main.yaml
| |-- restart.yaml
| |-- start.yaml
| |-- template.yaml
| |-- user.yaml
| |-- yum.yaml
|-- templates
| |-- nginx.conf.j2
|-- vars
---
- hosts: k3s-cluster
become: yes
become_user: root
# 选择 调用的 roles 属性
roles:
# 调用定义好的role，存放在roles目录中。
- role: nginx
- include: group.yml
- include: user.yml
- include: yum.yml
- include: template.yml
- include: start.yml
- name: create group
group: name=nginx gid=80
# ansible-playbook nginx_roles.yml
PLAY [k3s-cluster] ****************************************************************************************
TASK [Gathering Facts] ****************************************************************************
ok: [10.0.8.2]
TASK [nginx : create group] ***********************************************************************
changed: [10.0.8.2]
TASK [nginx : create user] ************************************************************************
changed: [10.0.8.2]
TASK [nginx : install package] ********************************************************************
changed: [10.0.8.2]
TASK [nginx : copy conf] **************************************************************************
changed: [10.0.8.2]
TASK [nginx : start service] **********************************************************************
changed: [10.0.8.2]
PLAY RECAP ****************************************************************************************
10.0.8.2 : ok=6 changed=5 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
“
roles tags 标签
- hosts: k3s-cluster
become: yes
become_user: root
# 选择 roles 属性
roles:
# 配置相应的 tags 用 { } 引用
- { role: nginx, tags: ['web', 'nginx'] }
- { role: mysql, tags: ['db', 'mysql'] }
- { role: redis, tags: ['db', 'redis'] }
- { role: golang, tags: ['web', 'golang'] }
- { role: vue, tags: ['web', 'vue'] }
- { role: app_demo, tags: "app_demo" }
# ansible-playbook -t web playbook.yml
“
roles when 语句
---
- hosts: all
become: yes
become_user: root
# 选择 roles 属性
roles:
# 配置相应的 tags 用 { } 引用
- { role: nginx, tags: ['web', 'nginx'] }
- { role: mysql, tags: ['db', 'mysql'] }
- { role: redis, tags: ['db', 'redis'] }
# 只针对操作系统为 Centos7 的执行
- { role: golang, tags: ['web', 'golang'], when: ansible_distribution_major_version == "7" }
# 只针对操作系统为 Ubuntu20 的执行
- { role: vue, tags: ['web', 'vue'], when: (ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "20")}
- { role: app, tags: "app" }
# 以变量方式传参
ansible-playbook deploy.yaml --extra-vars "hosts=k3s-cluster user=ubuntu"
# 以json格式传参
ansible-playbook deploy.yaml --extra-vars "{'app_name':'nginx', 'pkg_name':'vsftpd'}"
# 以json文件方式传参
ansible-playbook deploy.yml --extra-vars "@test_vars.json"
Ubuntu 安装软件，传入参数即可安装软件。
---
# 定义集群，并设置提权root，
- hosts: all
become: yes
become_user: root
vars:
# 传入参数
- DEPLOY_USER: ubuntu
- APP_NAME: '{{ app_name }}'
tasks:
- name: 更新 apt-get 仓库以及缓存
apt: update_cache=yes force_apt_get=yes cache_valid_time=3600
- name: 安装 {{ APP_NAME }} 程序
apt:
name: "{{ APP_NAME }}"
# - name: "复制 {{ APP_NAME }} 配置文件"
# copy: src="/a2020/img/data-img.jpg" data-src=./conf/vsftpd.conf dest=/etc/{{ APP_NAME }}.conf backup=yes
# notify: restart {{ APP_NAME }} # 此处必须与handlers一致
# # 定义标签
# tags: copyconf
- name: "启动 {{ APP_NAME }} 服务"
service: name={{ APP_NAME }} state=started enabled=yes
# 定义标签
tags: startvsftpd
# 配置 notify 触发，修改配置文件的时候生效。
handlers:
- name: restart {{ APP_NAME }}
service: name={{ APP_NAME }} state=restarted
发布流程，Demo中的具体实现逻辑，需要根据自己的环境来定义，此处仅做参考，如果你有什么好的建议和意见，可以扫描下面的二维码，加我微信，一起交流。
---
- hosts: all
gather_facts: no
vars:
# OSS参数
- OSS_URL: 'https://repo.opendevops.cn'
- OSS_PATH: 'codo/codo-api/cclib/production'
- OSS_FILE: 'xxxxx_20211020181130_dispatch-service-0.0.7.jar'
- OSS_FILE_KEY: '?xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
# 部署参数
- DEPLOY_USER: '{{ deploy_user }}' # "ubuntu"
- APP_NAME: '{{ app_name }}' # "tomcat"
- APP_DIR: '{{ app_dir }}' # "/tmp"
- DING_URL: '{{ ding_url }}'
- DING_TOKEN: '{{ ding_token }}'
tasks:
- name: "验证 {{ inventory_hostname }} SSH 端口"
local_action: wait_for port=22 host="{{ inventory_hostname }}" search_regex=OpenSSH
- name: gather facts
setup:
- name: "钉钉 {{ ding_url }} {{ ding_token }}"
shell: "echo {{ ding_url }}"
register: print_ding_url
- name: "获取当前发布主机IP"
shell: "curl http://ip.me"
register: get_ip_addr
- name: "获取当前发布主机IP SDTOUT"
debug: var=get_ip_addr.stdout
- name: "获取当前发布主机名称"
shell: "hostname"
register: get_hostname
- name: "获取当前发布主机名称 SDTOUT"
debug: var=get_hostname
# 发布的一些动作
- name: "发布主机: {{ get_hostname.stdout }} 验证 {{ APP_NAME }} 目录"
file:
path: "{{ APP_DIR }}/{{ APP_NAME }}"
state: directory
mode: '0755'
register: create_dir
- name: "发布主机: {{ get_hostname.stdout }} 验证 {{ APP_NAME }} 目录 STDOUT"
debug: var=create_dir
- name: "发布主机: {{ get_hostname.stdout }} APP {{ APP_NAME }} 程序包下载"
shell: "wget {{ OSS_URL }}/{{ OSS_PATH }}/{{ OSS_FILE }}'{{ OSS_FILE_KEY }}' -O {{ APP_DIR }}/{{ APP_NAME }}/{{ OSS_FILE }}"
args:
chdir: /opt/
creates: /opt/{{ OSS_URL }}/{{ OSS_FILE }}
register: download_file
#notify: restart {{ APP_NAME }}
- name: "发布主机: {{ get_hostname.stdout }} APP {{ APP_NAME }} 程序包下载 CMD"
debug: var=download_file.cmd
- name: "发布主机: {{ get_hostname.stdout }} APP {{ APP_NAME }} 改名"
shell: "new_file_name=`ls {{ APP_DIR }}/{{ APP_NAME }}/{{ OSS_FILE }} |awk -F'_' '{print $3}'` && echo ${new_file_name} && mv {{ APP_DIR }}/{{ APP_NAME }}/{{ OSS_FILE }} {{ APP_DIR }}/{{ APP_NAME }}/${new_file_name}"
args:
chdir: /opt/
creates: /opt/{{ OSS_URL }}/{{ OSS_FILE }}
register: move_file
- name: "发布主机: {{ get_hostname.stdout }} APP {{ APP_NAME }} 改名 STDOUT"
debug: var=move_file.stdout
- name: "发布主机: {{ get_hostname.stdout }} APP {{ APP_NAME }} 权限修改"
file:
path: "{{ APP_DIR }}/{{ APP_NAME }}"
state: directory
owner: "{{ DEPLOY_USER }}"
group: "{{ DEPLOY_USER }}"
recurse: yes
register: changed_permissions
- name: "APP {{ APP_NAME }} 权限修改 STDOUT"
debug: var=changed_permissions
- name: "发布主机: {{ get_hostname.stdout }} APP {{ APP_NAME }} 服务重启"
shell: "echo {{ OSS_URL }}/{{ OSS_PATH }}/{{ OSS_FILE }} -O {{ APP_DIR }}/{{ APP_NAME }}/{{ OSS_FILE }}"
register: restart_service
notify: restart {{ APP_NAME }}
- name: "发布主机: {{ get_hostname.stdout }} APP {{ APP_NAME }} 服务重启 SDTOUT"
debug: var=restart_service.cmd
# 发布完成后的验证
- name: "发布主机: {{ get_hostname.stdout }} 验证 {{ APP_NAME }} 进程状态"
shell: "echo {{ OSS_URL }}/{{ OSS_PATH }}/{{ OSS_FILE }} -O {{ APP_DIR }}/{{ APP_NAME }}/{{ OSS_FILE }}"
args:
chdir: /opt/
creates: /opt/{{ OSS_URL }}/{{ OSS_FILE }}
register: process_status
- name: "发布主机: {{ get_hostname.stdout }} 验证 {{ APP_NAME }} 进程状态 STDOUT"
debug: var=process_status.stdout
- name: "发布主机: {{ get_hostname.stdout }} 验证 {{ APP_NAME }} 服务状态"
shell: "echo {{ OSS_URL }}/{{ OSS_PATH }}/{{ OSS_FILE }} -O {{ APP_DIR }}/{{ APP_NAME }}/{{ OSS_FILE }}"
args:
chdir: /opt/
creates: /opt/{{ OSS_URL }}/{{ OSS_FILE }}
register: service_status
- name: "发布主机: {{ get_hostname.stdout }} 验证 {{ APP_NAME }} 服务状态 STDOUT"
debug: var=service_status.stdout
- name: "发布主机: {{ get_hostname.stdout }} 验证 {{ APP_NAME }} 接口状态"
shell: "curl -s -L %{http_code} {{ OSS_URL }} | grep "Welcome!" |awk '{print $1}'"
args:
chdir: /opt/
creates: /opt/{{ OSS_URL }}/{{ OSS_FILE }}
register: interface_status
- name: "发布主机: {{ get_hostname.stdout }} 验证 {{ APP_NAME }} 接口状态 STDOUT"
debug: var=interface_status.stdout
# 重启服务
handlers:
- name: restart {{ APP_NAME }}
service: name={{ APP_NAME }} state=restarted
执行参数
# 变量
ansible-playbook -C deploy.yaml -e "ding_url=ding.opendevops.cn app_name=tomcat app_dir=/tmp/deniss deploy_user=ubuntu, ding_token=qwerty&^%FDSFBSNFXZ&^%%"
# json
ansible-playbook -C deploy.yaml --extra-vars "{'app_name':'tomcat', 'deploy_user':'ubuntu', 'app_dir':'/tmp/deniss', 'ding_url':'ding.opendevops.cn', 'ding_token':'qwerty&^%FDSFBSNFXZ&^%%'}"
至此，Ansible的基础篇与进阶篇已经完结，如果你认真的阅读学习并动手实践，你一定可以写出高效的Ansible-PlayBook脚本！敬请期待下一篇如何基于AnsibleAPI二次开发 任务中心之AnsibleAPI篇 。
页面更新：2024-04-01
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