![]() To search in a string or extract parts of a string with a regular expression, use the ansible.builtin. vars : vlan : key : " Searching strings with regular expressions This is often a better approach than failing if a variable is not defined: You can provide default values for variables directly in your templates using the Jinja2 ‘default’ filter. Here is how we unzip in C the message compressed in linux Note: You may need to remove the last byte. is limited by linux setting : getconf ARGMAX. If you configure Ansible to ignore most undefined variables, you can mark some variables as requiring values with the mandatory filter. The method: echo VERYLARGESTRING gzip base64 -w0. Searching strings with regular expressionsįilters can help you manage missing or undefined variables by providing defaults or making some variables optional. Hashing and encrypting strings and passwords Selecting from sets or lists (set theory) Selecting values from arrays or hashtables You can create custom Ansible filters as plugins, though we generally welcome new filters into the ansible-core repo so everyone can use them.īecause templating happens on the Ansible controller, not on the target host, filters execute on the controller and transform data locally.ĭefining different values for true/false/null (ternary)Ĭombining items from multiple lists: zip and zip_longest You can also use Python methods to transform data. You can use the Ansible-specific filters documented here to manipulate your data, or use any of the standard filters shipped with Jinja2 - see the list of built-in filters in the official Jinja2 template documentation.
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