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⇤ ← Revision 1 as of 2018-02-22 01:01:35 →
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Editor: SamatJain
Comment:
← Revision 9 as of 2021-06-24 18:44:34 → ⇥
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Editor: SamatJain
Comment:
Deletions are marked like this. Additions are marked like this.
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{{{ {{{#!highlight yaml
Line 25: Line 25:
or specify hosts: all:

{{{#!highlight yaml
- hosts: all
  become: yes
  become_user: root
  tasks:
   - name: Install Nginx
     apt:
       name: nginx
       state: installed
       update_cache: true
}}}

and then invoke ansible with:

{{{#!highlight sh numbers=off
ansible-playbook -i 'localhost,' -c local Playbook.ansible.yml
}}}

== Disable SSH host key checking ==

Export `ANSIBLE_HOST_KEY_CHECKING` before running ansible:

{{{#!highlight sh numbers=off
ANSIBLE_HOST_KEY_CHECKING=False ansible -i inventory.yml all -m ping
}}}

or into ansible.cfg put:

{{{
[defaults]
host_key_checking = False
}}}

== Async/parallelizing tasks ==

See http://toroid.org/ansible-parallel-dispatch and https://docs.ansible.com/ansible/latest/user_guide/playbooks_async.html, and https://blog.crisp.se/2018/01/27/maxwenzin/how-to-run-ansible-tasks-in-parallel, needs more research.

== Tips & tricks ==

{{{#!highlight sh
# Start at a specific named task, e.g. the one called "install packages"
ansible-playbook playbook.yml --start-at="install packages"
}}}
Line 28: Line 74:
 * [[https://linuxctl.com/2017/01/ansible---interacting-with-external-rest-api/|Ansible - Interacting with external REST APIs]]

== Filters ==

 * [[https://docs.ansible.com/ansible/latest/user_guide/playbooks_filters.html|Filters in Ansible's documentation]]
 * [[http://jinja.pocoo.org/docs/latest/templates/#builtin-filters|Jinja2's built-in filters]]

Installing ansible

# Official PPA for Ubuntu
sudo apt-add-repository -y ppa:ansible/ansible
sudo apt-get update
sudo apt-get install -y ansible

Playbooks meant to only be run locally

   1 - hosts: local
   2   connection: local
   3   become: yes
   4   become_user: root
   5   tasks:
   6    - name: Install Nginx
   7      apt:
   8        name: nginx
   9        state: installed
  10        update_cache: true

or specify hosts: all: 

   1 - hosts: all
   2   become: yes
   3   become_user: root
   4   tasks:
   5    - name: Install Nginx
   6      apt:
   7        name: nginx
   8        state: installed
   9        update_cache: true

and then invoke ansible with: 

ansible-playbook -i 'localhost,' -c local Playbook.ansible.yml

Disable SSH host key checking

Export ANSIBLE_HOST_KEY_CHECKING before running ansible: 

ANSIBLE_HOST_KEY_CHECKING=False ansible -i inventory.yml all -m ping

or into ansible.cfg put: 

[defaults]
host_key_checking = False

Async/parallelizing tasks

See http://toroid.org/ansible-parallel-dispatch and https://docs.ansible.com/ansible/latest/user_guide/playbooks_async.html, and https://blog.crisp.se/2018/01/27/maxwenzin/how-to-run-ansible-tasks-in-parallel, needs more research.

Tips & tricks

   1 # Start at a specific named task, e.g. the one called "install packages"
   2 ansible-playbook playbook.yml --start-at="install packages"

Good articles

Filters

SamatsWiki: Ansible (last edited 2021-06-24 18:44:34 by SamatJain)