Ansible Conditionals: Difference between revisions
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Tasks can be conditionally executed based on [[#Fact|facts]], [[#Registered_Variables|registered variables]] or playbook or [[#Inventory_File_Variables|inventory]] variables. The conditional is introduced by the task configuration keyword <code>when:</code>. | Tasks can be conditionally executed based on [[#Fact|facts]], [[#Registered_Variables|registered variables]] or playbook or [[#Inventory_File_Variables|inventory]] variables. The conditional is introduced by the task configuration keyword <code>when:</code>. | ||
The variables must not be enclosed in <code>{{ ... }}</code> when used in <code>when:</code> expressions. | |||
<syntaxhighlight lang='yaml'> | <syntaxhighlight lang='yaml'> | ||
- name: Download Amazon Corretto | - name: Download Amazon Corretto | ||
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- Start Nginx | - Start Nginx | ||
</syntaxhighlight> | </syntaxhighlight> | ||
=Logical Operators= | =Logical Operators= | ||
Parentheses can be used in expressions. | Parentheses can be used in expressions. | ||
==<code>and</code>== | ==<code>and</code>== | ||
==<code>or</code>== | ==<code>or</code>== | ||
Revision as of 07:26, 5 July 2021
External
Internal
Overview
Tasks can be conditionally executed based on facts, registered variables or playbook or inventory variables. The conditional is introduced by the task configuration keyword when:.
The variables must not be enclosed in Template:... when used in when: expressions.
- name: Download Amazon Corretto
get_url:
url: https://corretto.aws/downloads/latest/amazon-corretto-11-x64-macos-jdk.pkg
dest: /tmp
when: java_vendor == "Amazon"
- name: Install Nginx
apt:
pkg: nginx
state: installed
update_cache: true
when: ppastable|success
notify:
- Start Nginx
Logical Operators
Parentheses can be used in expressions.