linux回炉第三十一天

ansible
控制端、被控端

apt list ansible
yum list ansible

apt install ansible -y
ansible --version

vim /etc/ansible/hosts

[webservers]
11.0.1.48
11.0.1.58

[appservers]
11.0.1.68
11.0.1.78

ansible webservers --list-hosts

Ad-Hoc
ansible-doc -l | wc -l

ansible-doc -l | grep ping
ansible-doc -s ping

ansible webservers -m ping
ansible all -m ping
ansible all -m ping -k
ansible 11.0.1.* -m ping
ansible *servers -m ping
ansible "webservers,appservers" -m ping
ansible 'webservers,!appservers' -m ping

ansible all -m ping -v
ansible all -m ping -vvv

vim /etc/ansible/ansible.cfg

ansible-doc command
ansible-doc shell

ansible-doc script
ansible all -m script -a "test.sh"

ansible-doc copy
ansible webservers -m copy -a "src=/etc/passwd dest=/backup"

ansible-doc fetch
ansible all -m fetch -a 'src=/etc/redhat-release dest=/data/os'

ansible-doc file
ansible all -m file -a 'path=/app/ state=directory'
ansible all -m file -a 'path=/app/text.txt state=touch'
ansible all -m file -a 'src=/etc/passwd path=/app/pass.link state=link'
ansible all -m file -a 'src=/etc/fstab dest=/app/fstab.hard state=hard owner=wang group=root'

ansible-doc stat
ansible-doc unarchive
ansible-doc get_url
ansible-doc archive
ansible-doc hostname
ansible-doc cron
ansible-doc -s yum
ansible webservers -m yum -a 'name=httpd'
ansible webservers -m yum -a 'name=httpd state=absent'
ansible-doc -s apt
ansible appservers -m apt -a 'name=nginx state=absent autoremove=yes purge=yes'

ansible-doc yum_repository
ansible webservvers -m yum_repository -a 'name=test description="test repo" baseurl="https://11.0.1.88/testrepo" gpgcheck=no'
ansible webservers -m yum_repository -a 'name=test state=absent'

ansible webservers -m service -a 'name=nginx state=started enabled=yes'

ansible-doc user
ansible-doc group
ansible-doc lineinfile
ansible-doc replace
ansible-doc selinux
ansible-doc reboot
ansible-doc mount
ansible-doc setup
ansible webservers -m setup -a 'filter="ansible_default_ipv4"'
ansible webservers -m setup | grep ansible_default_ipv4

ansible-doc debug
ansible-doc sysctl
ansible-doc apt_repository

playbook-----> yaml
XML
JSON
Yaml

---
- hosts: webservers
  tasks:
    - name: test ping
      ping:
    - name: shell cmd
      shell: 'hostname -I'

- hosts: appservers
  remote_user: root
  tasks:
    - name: yum
      yum:
        name: nginx
    - name: service
      service:
        name: nginx
        state: started
        enabled: yes

hosts
tasks
remote_user
action
handlers
vars
vars_files

ansible-playbook test.yaml
ansible-playbook --syntax-check test.yaml
ansible-playbook --limit 11.0.1.48 test.yaml
ansible-playbook -i inventory --list-hosts test.yaml

ANSIBLE_CONFIG------> ./ansible.cfg -------> ~/.ansible.cfg-------> /etc/ansible/ansible.cfg

ignore_errors: yes

......
  notify: restart nginx
......
handlers:
   name: restart nginx
   service:
      name: nginx
      state: restarted
......

.....
  tags: data
......

ansible-playbook -t data test.yaml
ansible-playbook --list-tags test.yaml

register

template

---
- hosts: webservers
  tasks:
    - name: test template
      template:
        src: /tmp/template.conf.j2
        dest: /tmp/testtmp.conf


vim /tmp/template.conf.j2
{{ ansible_hostname }}

for
if
untils
loop
with_lines
item
with_items
when

roles
ansible-galaxy