The value of state in the spec Parameters Attributes Notes Note As of Ansible 2.3, the dest option has been changed to path as default, but dest still works as well. The spec file should be valid formatted YAML. Elements of arrays in the left hash that are also in the corresponding array of the right hash will be removed (rp stands for remove present). This set of filters returns a list of combined lists. For example, the tasks below, It's possible to avoid regex. Stop by the google group! Decide which function to be used to do the matching. Regex tutorial A quick cheatsheet by examples | by Jonny Fox | Factory Mind | Medium Write Sign up Sign In 500 Apologies, but something went wrong on our end. 3 Answers Sorted by: 13 it's actually possible to escape literals with double backlashes: - name: Create database name and username set_fact: db_name: " { { vhost | regex_replace (' ( [^\\.]*)\\. This is roughly equivalent to nested for-loops in a generator expression. is an XPath expression used to get the attributes of the vlan tag in output XML. Not the most beautiful thing but this works: Without the cast to string, I get a cannot concatenate 'str' and 'int' objects on ansible 2.2.0.0 and I don't have time to update just now. Does Cast a Spell make you a spellcaster? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. *) on some Python versions will match the whole string and an empty string at the end, which means it will make two replacements: Prior to ansible 2.0, if regex_replace filter was used with variables inside YAML arguments (as opposed to simpler key=value arguments), then you needed to escape backreferences (for example, \\1) with 4 backslashes (\\\\) instead of 2 (\\). address. This test plugin is part of ansible-core and included in all Ansible items is a dictionary of key-value pairs that map user-defined names to XPath expressions As of Ansible version 2.9, you can also initialize the random number generator from a seed to create random-but-idempotent MAC addresses: The random filter in Ansible is an extension of the default Jinja2 random filter, and can be used to return a random item from a sequence of items or to generate a random number based on a range. Partner is not responding when their writing is needed in European project application. The product filter returns the cartesian product of the input iterables. Ansible Map Filter does two things I have a list of strings called somelist as shown below. Ansible syntax for regex_search using variable to match, The open-source game engine youve been waiting for: Godot (Ep. you can remove the "name: " on your list as it's still the same to every elt. erbrito / regex_test.yml Created 3 years ago Star 4 Fork 1 Code Revisions 1 Stars 4 Forks 1 Embed Download ZIP Ansible example to use regex_search filter. Copyright Ansible project contributors. which seems analogous to the OP's requirement. For example, a registered variable might contain a dictionary when your next task needs a list, or a user prompt might return a string when your playbook needs a boolean value. if the file is already existed then it will append to end of file. output and return JSON data. 0. Regexp is used to modify the particular line in the file. With ansible lineinfile module we can remove existed lines from the file and we can replace the lines. Why does the impeller of a torque converter sit behind the turbine? Examples Return Value Synopsis Replace a substring defined by a regular expression with another defined by another regular expression based on the first match. This can be useful in a roles defaults. These are the values key1=value1, key2=value2 and so on in the following example: input | ansible.builtin.regex_findall(key1=value1, key2=value2, ). Search in a string or extract all the parts of a string matching a regular expression. plugin name You can search for the minimum or maximum value in a list, or flatten a multi-level list. You can combine data from multiple sources and types, and select values from large data structures, giving you precise control over complex data. Ansible selectattr filter is basically an inherited version of Jinja selectattr filter. In most cases, you can use the short How to react to a students panic attack in an oral exam? How can I save in Ansible variable the output from a bash command? Q1.) These are the values positional1, positional2 and so on in the following example: input | ansible.builtin.regex_search(positional1, positional2, ). Escaping single quotes within single quotes in YAML is done by doubling the single quote. You can also use Python methods to transform data. will parse the output from the show vlan command. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? During lynx package uninstall manually, I get following prompt. into blocks that can be parsed. Repository (Sources) Let's say foo.txt contains the following. Below is an example of a valid spec file that If recursive=False (the default), nested hash arent merged: If recursive=True, recurse into nested hash and merge their keys: If list_merge='replace' (the default), arrays from the right hash will replace the ones in the left hash: If list_merge='keep', arrays from the left hash will be kept: If list_merge='append', arrays from the right hash will be appended to the ones in the left hash: If list_merge='prepend', arrays from the right hash will be prepended to the ones in the left hash: If list_merge='append_rp', arrays from the right hash will be appended to the ones in the left hash. You can create custom Ansible filters as plugins, though we generally welcome new filters into the ansible-core repo so everyone can use them. If you configure Ansible to ignore most undefined variables, you can mark some variables as requiring values with the mandatory filter. Regular expression string that defines the match. for details. Truce of the burning tree -- how realistic? 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Only the third file, /tmp/baz, receives the mode=0444 option. You can create a test, then define one value to use when the test returns true and another when the test returns false (new in version 1.9): In addition, you can define a one value to use on true, one value on false and a third value on null (new in version 2.8): You might need to know, change, or set the data type on a variable. This filter can be used to generate a random MAC address from a string prefix. Extracting part of the string using Ansible regex_search and save the output as a variable, The open-source game engine youve been waiting for: Godot (Ep. will parse the output from the show vlan | display xml command. Ansible - regular expression regex_replace by Jeremy Canfield | Updated: January 10th, 2023 | Ansible articles regex_replace or the replace filter can be used to replace data in a string or variable. This concatenation works without casting : selects just Here is the task: My intention is to match and replace the whole URL like test.staging.domain.com with its first part (test in the example). Use the vlan_parser filter to transform an unsorted list of VLAN integers into a Jinja2 provides other mathematical functions like abs() and round(). To get the real path of a link (new in version 1.8): To get the relative path of a link, from a start point (new in version 1.7): To get the root and extension of a path or file name (new in version 2.0): The splitext filter always returns a pair of strings. :) I noticed that if I use the expression in a when clause then I need to place parentheses around the colon. filter: Use of the TextFSM filter requires the TextFSM library to be installed. Valid values for this parameter are: [2, 2a, 2y, 2b]. 4 Answers Sorted by: 6 Not the most beautiful thing but this works: - item.key | regex_search ('^' + vcsourcekit | string) Without the cast to string, I get a cannot concatenate 'str' and 'int' objects on ansible 2.2.0.0 and I don't have time to update just now. How to derive the state of a qubit after a partial measurement? Dot product of vector with camera's local positive x-axis? My advice is to use YAML syntax: tasks: - replace: dest: ./src regexp: 'app_name:\s [A-Za-z0-9 ]*' replace: 'app_name: { { node }}' Has 90% of ice around Antarctica disappeared in less than a decade? Search across line endings if True, do not if otherwise. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I was trying to use expect with Ansible to automate package installation (in below example - uninstall). I have the following playbook that is trying to assert that a user prompt variable of NX-OS image equals the ansible_net_image captured from a Nexus switch. If you want to configure the names of the keys, the dict2items filter accepts 2 keyword arguments. Examples Return Value Synopsis Search in a string to extract the part that matches the regular expression. Copyright Ansible project contributors. How can I set an Ansible variable depending on hostname? You can link here as a reference. In line parameter we have to add the line which is going to add in the file. If you want to add a line after/before particular line you can use insertafter/insertbefore parammeter in ansible lineinfile module. Ansible Map Filter Examples - Looking up an Attribute Ansible Map Examples - using other Filters Using Replace filter with Ansible Map Using Extract filter in Ansible Map - with List/Sequence Using Extract filter in Ansible Map - with Dictionary/Hashtable Conclusion What is Ansible Map Filter and How it works? Defining different values for true/false/null (ternary), Combining items from multiple lists: zip and zip_longest, Selecting values from arrays or hashtables, Selecting from sets or lists (set theory), Hashing and encrypting strings and passwords, Searching strings with regular expressions. I'm also not sure if it's consitent with Ansible/Jinja2 best practice. For example ^(. The same command could be parsed into a hash by using the key and values You can provide default values for variables directly in your templates using the Jinja2 default filter. The parameter is only available for blowfish (BCrypt). My application required "not" in the "when" statement but it would not be needed to answer the original question. By default Ansible uses # to start a comment line and adds a blank comment line above and below your comment text. {name: "domain.server[?starts_with(name,'server1')].port", "domain.server[?contains(name,'server1')].port", "^(?P
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