![]() ![]() You can provide default values for variables directly in your templates using the Jinja2 ‘default’ filter. If you configure Ansible to ignore most undefined variables, you can mark some variables as requiring values with the mandatory filter. It is big, because it allows to perform complicated queries without invoking slow Ansible loops. Magic variable names are reserved - do not set variables with these names. The second big change in Ansible is an introduction of jsonquery filter in templates. Like connection variables, magic variables are Special Variables. Searching strings with regular expressionsįilters can help you manage missing or undefined variables by providing defaults or making some variables optional. You can access information about Ansible operations, including the python version being used, the hosts and groups in inventory, and the directories for playbooks and roles, using magic variables. Hashing and encrypting strings and passwords Selecting from sets or lists (set theory) Selecting values from arrays or hashtables Controlling how Ansible behaves: precedence rulesĭefining different values for true/false/null (ternary)Ĭombining items from multiple lists: zip and zip_longest. ![]() Virtualization and Containerization Guides.Protecting sensitive data with Ansible vault.This project contains with a self-signed OpenSSL ceretificate which should ONLY BE used for testing. For a complete setup guide see my blog post here. FleetDM-Automation is a repo containing Ansible and Docker code to setup FleetDM. Playbook Example: Continuous Delivery and Rolling Upgrades FleetDM automation with Ansible and Docker.It also has a strong focus on security and reliability, featuring a minimum of moving parts, usage of OpenSSH. Ansible’s main goals are simplicity and ease-of-use. Discovering variables: facts and magic variables It can configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployments or zero downtime rolling updates.Working with language-specific version managers.Controlling where tasks run: delegation and local actions.Hashing and encrypting strings and passwords.Selecting from sets or lists (set theory).Defining different values for true/false/null (ternary). ![]()
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