Ansible commands
List of general purpose commands for Ansible management:
Installation
sudo apt-add-repository ppa:ansible/ansible
sudo apt-get update
sudo apt-get install ansible
ansible --versionInventory
Example of Inventory file
[mysql]
10.0.0.13 = Env=live EcType=mysql EcName=live-mysql-0-b Az=a Nr=0
[nginx]
10.0.0.17 = Env=live EcType=nginx EcName=live-nginx-0-b Az=a Nr=0
[live:children]
mysql
nginxCheck Connection
$ ansible -m ping <host>Ad-Hoc Commands
Parallelism Shell Commands
ssh-agnet bash $ ssh-add ~/.ssh/id_rsaReboot remove server using anisble
ansible mysql -a "/sbin/reboot" -f 20Run ansible using specific user
ansible nginx -a "/usr/bin/foo" -u anmolnagpalRun ansible using specific user
ansible nginx -a "/usr/bin/foo" -u anmolnagpalFile Transfer
Transfer file to many servers
ansible nginx -m copy -a "src=/etc/anmol.txt dest=/tmp/anmol.txt"Transfer file with specific ownership & permission
ansible nginx -m file -a "src=/etc/anmol.txt dest=/tmp/anmol.txt mode=600"
ansible nginx -m file -a "src=/etc/anmol.txt dest=/tmp/anmol.txt mode=600 owner=anmol gorup=anmol"Create Directories
ansible nginx -m file -a "dest=/tmp/clouddrove mode=755 owner=anmol gorup=anmol stage=directory"Delete Directories
ansible nginx -m file -a "dest=/tmp/clouddrove state=absent"Manage Packages
Ensure package is installed, but doesn't get updated
ansible mysql -m apt -a "name=python state=present"Ensure package is installed to a specific version
ansible mysql -m apt -a "name=python-2.6 state=present"Ensure package is installed with latest version
ansible mysql -m apt -a "name=python state=latest"Ensure package is installed is not installed
ansible mysql -m apt -a "name=python state=absent"Manage Services
Ensure a service is started on all nginx servers
ansible nginx -m service -a "name=nginx state=started"Restart service on all nginx servers
ansible nginx -m service -a "name=nginx state=restarted"Ensure a service is stopped
ansible nginx -m service -a "name=nginx state=stopped"Playbooks
Playbook: Update system (Debian based)
- hosts: local
tasks:
- name: Update system
apt:
update_cache: yes
upgrade: yes
- name: Remove dependencies
apt:
autoremove: yes
- name: Remove useless packages from the cache
apt:
autoclean: yesSample Playbooks
- name: dpkg --configure -a
shell: dpkg --configure -a
tags:
- dpkg
- name: install system pakcages and utils
apt:
name: "{{ item }}"
state: latest
update_cache: yes
cache_valid_time: 5400
allow_unauthenticated: yes
with_items:
- ntp
- git
- git-core
- htop
- vim
- curl
- unzip
- jq
- python-setuptools
- python-dev
- build-essential
tags:
- packagesWriting Playbooks
Create a playbook
- hosts: live-node-01
become: true
roles:
- { role: common, tags: [ 'common' ] }
- { role: docker, tags: [ 'docker' ] }
- { role: jenkins, tags: [ 'agent' ] }
- { role: selenoid, tags: [ 'selenoid' ] }Ansible Vault
Using the argument “ — ask-vault-pass”
ansible-playbook users.yml --ask-vault-pass
Using the argument “ — vault-password-file”
ansible-playbook users.yml --vault-password-file /anmol/.ansible/vault-passwd
More about Ansible:
- https://docs.ansible.com/ansible/latest/index.html
- https://medium.com/clouddrove/about-ansible-vault-cbeeae7add87
- https://medium.com/tech-tajawal/ansible-an-effective-it-automation-tool-be603417ea1a
👬 Contribution
-
Open pull request with improvements
-
Discuss ideas in issues
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Reach out with any feedback
