DevOps/Ansible/Modules
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Modules[1] add new capabilities to Ansible and is a core component of the software, as of September 2019 there are more than 2.800 modules available: ansible-doc --list
. For example you can manage AWS infrastructure using Ansible, execute commands with shell
module or collect information using setup
[2] module.
ansible -m setup SERVER_NAME
will collect information from your systemansible -m setup SERVER_NAME -a 'filter=ansible_distribution'
. Collect just OS.
Other common useful modules include:
- Execution modules:
command
, default for ad-hoc commands, bypasses the shell so won’t be impacted by local shell variables.shell
, allow to use shell functionalities such as redirection.raw
, do not require python on remote system[3]
gather_facts
,lineinfile
,user
,group
,mount
,git
,docker
[4],docker_compose
[5] andmail
modules, [6] see all of them by category: https://docs.ansible.com/ansible/latest/modules/modules_by_category.html
Modules
[edit | edit source]- apt_repository: DevOps/Ansible/Add a repository
- docker compose: New in version 2.1 and was call docker_service before Ansible 2.8
file
, for managing files and directories: https://docs.ansible.com/ansible/latest/modules/file_module.htmlovirt_vm
(KVM)
Module raw example
[edit | edit source]ansible -m raw DESTINATION_HOSTNAME -a uptime
See also
[edit | edit source]- ↑ https://docs.ansible.com/ansible/latest/modules/modules_by_category.html
- ↑ https://docs.ansible.com/ansible/latest/modules/setup_module.html
- ↑ https://www.unixarena.com/2018/07/ansible-command-vs-shell-vs-raw-modules.html/
- ↑ https://docs.ansible.com/ansible/2.6/modules/docker_module.html
- ↑ https://docs.ansible.com/ansible/latest/modules/docker_compose_module.html
- ↑ https://medium.com/@tcij1013/ten-useful-ansible-modules-83fb6fb2d45e