Ansible multiline jinja. I came across |, >, Using filters to manipulate data ¶ Filters let you transform JSON data into YAML data, split a URL to extract the hostname, get the SHA1 hash of a string, add or multiply integers, and much Dear Ansible devs, We often have long and complex templates, with lots of Jinja2 loops and conditionals. I am trying to make this piece of Découvrez comment utiliser Jinja avec Ansible pour créer des configurations dynamiques et automatiser efficacement vos tâches d'infrastructure This is the latest (stable) Ansible community documentation. I have something like : - name: test vars: test1: "test1" test2: - "test21" - "test22" test3 So you started learning Ansible and began writing your first playbooks and templates. 15”, and there your code — with Vladimir Botka’s clever hack of setting the necessary variables in the A call to ansible uri module returns a multi-line string: ` set_fact: fact: “{{ return_uri_json. Do you know if there is a way to get the zero-padding? That’s less important, but I thought it should be doable with Jinja. For Red Hat Ansible Automation Platform subscriptions, see Life Cycle for version details. Your example above produces jinja2. Multiline strings for long strings To keep the Ansible Yaml files readable, it can be useful Jinja's Template Designer Documentation explains how to create and use templates with special placeholders, macros, and inheritance for dynamic content rendering. The resultant file is a JSON file that I will send to an API (either with Ansible URI module or with You'll need to complete a few actions and gain 15 reputation points before being able to upvote. I don’t see this same behavior when writing the same We would like to show you a description here but the site won’t allow us. While Ansible is not recommended as a data processing/manipulation tool, you The when clause in Ansible playbooks controls task execution based on conditions. You currently have: (% for mounts in {{ ansible_mounts }} %) Mountpoint: {{ ansible_mounts. However, we recommend Automation for the People! A Subreddit dedicated to fostering communication in the Ansible Community, includes Ansible, AWX, Ansible Tower, Ansible Galaxy, ansible-lint, Molecule, etc. For example, you can create a template for a configuration file, then deploy that configuration file to multiple environments and supply the correct data (IP address, hostname, Another week, another Ansible quirk 🤷♂️ Imagine you have a long Jinja2 expression, and you want to wrap it into multiple lines to improve readability. I Hi, I’m studying how to use regexp, and just follow documented examples, { { ‘foo\nBAR’ | regex_search (“^bar”, multiline=True, ignorecase=True) }} expected result is: Automation for the People! A Subreddit dedicated to fostering communication in the Ansible Community, includes Ansible, AWX, Ansible Tower, Ansible Galaxy, ansible-lint, Molecule, etc. It's handy to indent them, so to make it easier to read the template. hosts action. However, we recommend Summary The regex_replace filter does not seem to work correctly when spreading a Jinja expression over multiple lines using a YAML scalar. A "newline" at the end of each line is 0 Solution with only ansible builtin filters No fancy multiline jinja statement here. I have tried adding and removing Note This filter plugin is part of ansible-core and included in all Ansible installations. You'll need to complete a few actions and gain 15 reputation points before being able to In developing the j2 (the Jinja2 templating language) logic to do things like calculate bandwidth figures, we ran into some limitations. But the problem is stdout_lines adds new line at the end and the match string also contains new Since this is Jinja, it also applies to any tools that use Jinja, like this Jekyll-based blog. . Special placeholders in the template allow writing code similar to Python syntax. g. Invalid Block Scalar Using variables Ansible uses variables to manage differences between systems. In better programming languages you can use Option type with iterators, monads, generators and all other beauty you don’t have in Jinja. YAML parsing results in a nested tree of lists, dicts, strings, and numbers (with optional !TAGS) and hands that off to Ansible. It’s nasty in Ansible with Jinja. At the moment Ansible ships the file to the server, the Jinja template will be interpreted Here, you are I’m trying to search for a specific string from a var and while it finds it, it prints the whole line and not the exact match I’m looking for. body }}” ok: [target] => { “ansible_facts”: { “fact How can I use the results from jinja2-templated file into a variable without some hack to write a file out and read it in again? I’m using the ec2 module to create new EC2 instances. TemplateSyntaxError: unexpected char u'#' {{ Switch('var', [('1', 'f You can prepend the given string with a newline character, then use the wordwrap filter to wrap the text into multiple lines first, and use the replace filter to replace newline Use trim_blocks parameter Since this question tags Ansible, I should point out that you can also modify the behavior by setting the trim_blocks parameter of the Thanks, @vladimir-botka! Any idea about the syntax with that |- in the set_fact line? Where can I find that documented? Is it possible to create a jinja2 template that puts variables on one line? Something like this but instead of having two lines in the results have them comma separated. Ansible can ship a file to a remote server. Pour rester dans l’esprit de notre présentation où les How can I put comments inside Jinja2 argument list declaration ? Everything I have tried gives an error: jinja2. However, it's not well parsed and i' getting many breakline and space between the character. stdout | I have a long Jinja2 template which has many nested if / for statements. What's reputation and how do I According to Jinja2 documentation you can manage whitespace and tabular indentation with lstrip_blocks and trim_blocks options: trim_blocks: If this is set to True the first Jinja2 is a very popular and powerful Python-based template engine. I already know that if you have long conditionals with and between them you can use lists to split them on multiple lines. The question: What is the best way to fill github-app. Manually edit the source document to have Jinja expressions where the values should be. lab. Since Ansible is written in Python, it becomes the default choice for most users, just like other Python-based configuration management systems, such Manipulating data In many cases, you will need to perform complex operations with your variables. Adding quotes will break it e. Then the template is passed data to render the For long line that do not contains any Jinja statement or expression, see @Zeitounator's answer, or, use Jinja comment blocks along with whitespace control: - You have a simple syntax error; you should be using brace brackets instead of parentheses. String concatenation in Jinja Asked 15 years, 7 months ago Modified 1 year, 8 months ago Viewed 322k times Il nous reste encore à découvrir un des composants d’Ansible les plus utiles pour l’automatisation: les templates, . Summary When you have a long jinja2 statement that you need to break up over multiple lines, it is not reading the whitespace control directives Issue Type Bug Report OS / 4 I am trying to define a "complex" (with quotes) multiline variable in Ansible. To Looking to go beyond basics with Jinja2? In this lab, you will learn how to use Jinja2 for documentation, not just configuration, a productivity tool for making your own templates more easily, and integrating Ansible into your pre/post checks Whitespace control in Jinja isn't magic. This can be especially useful when dealing with multiline i'm trying to read/store a multiline variable in jinja2. Consider the case {% if (foo == 'foo' or bar == 'bar') and (fooo == 'fooo' or Some playbooks exhibiting advanced features of Ansible - nmasse-itix/Ansible-Examples Welcome to another episode of Ansible Pilot! I’m Luca Berton, and today we’ll explore a handy technique in Ansible – breaking strings over multiple lines using YAML. com' }} [2] If the variable Jinja templates in Ansible can be very powerful. 9 Here is what it finds: Thanks - that’s a good option. It works on local without using a loop to just print a list on separate lines. I don't want spaces as a result of the multiline setup. Then append the "Strip" Block Chomping - (docs) indicator to remove the trailing newline, in total it looks like >-. Upvoting indicates when questions and answers are useful. Code Create the following task : Have you ever needed to reformat, filter, manipulate, or transform data in your Ansible workflows? Then this comprehensive guide to Ansible Jinja filters is for you! Jinja Dynamic Configuration with Jinja2 Templates in Ansible # Creating dynamic and adaptable configurations for various network setups is crucial in network automation. Neither custom python filter_plugin. When using data_template, there are these symbols that, if I understand correctly, define how to structure the output. We can use the select filter to get a list of strings from the excluded list that are contained in a given target string Jinja is a fast, expressive, extensible templating engine. Why? In some ways it comes down to docu Use ansible template for Helm's value files with multiline quoted strings Asked 3 years, 3 months ago Modified 11 months ago Viewed 2k times Loops Ansible offers the loop, with_<lookup>, and until keywords to execute a task multiple times. Note This filter plugin is part of ansible-core and included in all Ansible installations. Template: I think there is something different between local Ansible and the Ansible tower version my company is using. Jinja2 ships with many of these. You quickly realize you need a way to conditionally control the flow and inject logic I had a strange problem with variables spanning multiple lines in Ansible. Jinja2 ships with many filters. Seemingly, line comments are only allowed within blocks, but not within Jinja expressions. For this module, you can specify a multi Understanding Jinja2 Conditionals # Creating dynamic and adaptable configurations for various network setups is crucial in network automation. In most cases, you can use the short plugin name split. In addition to loops, Jinja2 templates offer This possibility is offered via the parameters line_statement_prefix and line_comment_prefix. They can also be a leading contributor to hair loss. However, we recommend you use the Using filters to manipulate data Filters let you transform JSON data into YAML data, split a URL to extract the hostname, get the SHA1 hash of a string, add or multiply integers, and much more. It’s a shame the format function can’t be used for this. Quoting from Example 8. With Ansible, you can execute tasks and playbooks on multiple systems with a single command. Still, I am not aware of any solution for the case where This works!! How to_nice_yaml works? I don't understand from the ansible documentation. Ansible looks at the strings, and under certain circumstances decides whether they look like they I am trying to spit out a bit of YAML config as json using to_json filter to make it more human readable. I would like to indent the {% %} bits, to make it clearer. In most cases, you can use the short plugin name regex_search. However if I do that, the Note This filter plugin is part of ansible-core and included in all Ansible installations. Would be nice if ca receive a How to do multiline Jinja2 conditionals in single block? [closed] Ask Question Asked 7 years, 11 months ago Modified 7 years, 11 months ago Hi guys, I got a question concerning list of lists and strings. com' in host_fqdn [3] else [4] host_fqdn ~ '. Jinja2, a templating engine for Python, allows you to create dynamic. Learn to avoid Ansible Error 102 by ensuring correct Jinja2 formatting in when Hi everybody, I tried researching this, but I was not quite sure what to look for. In most cases, you can use the short plugin name regex_findall. I noticed that this filter will put all json on one line. yml -e '{ dest_host: myhost1 myhost2 }' --tags validate In Note This filter plugin is part of ansible-core and included in all Ansible installations. pgsql: useCluster: false addr: Filters in Ansible are from Jinja2, and are used for transforming data inside a template expression. mount Use template Ansible module instead of replace. TemplateSyntaxError: I have a playbook variable output as below debug: msg: “{{my_var}}}” TASK [debug Generate multine line YAML with Ansible jinja filter to_yaml Asked 4 years, 5 months ago Modified 4 years, 5 months ago Viewed 822 times I was following this question How to do multiline shell script in Ansible however, this solution does not work in my a bit complicated example. This seems to happen Automation for the People! A Subreddit dedicated to fostering communication in the Ansible Community, includes Ansible, AWX, Ansible Tower, Ansible Galaxy, ansible-lint, Molecule, etc. That's when I began exploring Jinja2 templates in Ansible, and it completely changed my approach to configuration management. See builtin filters in the official Jinja2 template documentation. Jinja2 templates So it seems that still either jinja or ansible is throwing single-quotes around the variable data before writing it to file. private-key with a multiline variable value? replacing a resulting multiline yaml value with ansible needs another 0 I pass a multiline variable dest_host from Jenkins to Ansible as below ansible-playbook -i allmwhosts. Examples of commonly-used loops include changing ownership on several files and/or Filters in Jinja2 are a way of transforming template expressions from one kind of data into another. Mainly the ability to have a variable’s value accessible outside of the loop that is currently My example was just a simple one, in some cases I have more complex jinja statements and the crux of what I was after was how to nicely do complex multiline jinja There are different moving parts in play that impact how your strings will be rendered, and I try to clear that up a bit here. I have a problem with a Jinja2 template I'm writing (called from Ansible). This article dives deeper into the sometimes confusing whitespace logic used in Ansible's template engine jinja2. 1 You are mixing concepts here. Hi all, I am trying to parse the stdout_lines to find the matching strings in a line. 3. However, we recommend you I could try, not sure if it's understandable Just split it in multiple lines [1] { { host_fqdn [2] if 'lab. In this blog post, I'll share my experience I have an if statement in my Jinja templates which I want to write it in multines for readability reasons. It's very hard to read. While the code is focused, press Alt+F1 for a menu of operations. Ansible Jinja to_json filter multiline and pretty formatted Asked 4 years, 1 month ago Modified 4 years, 1 month ago Viewed 10k times So Ansible is treating "var_list" as a string with all values stringed together (including the hyphens), rather than as a list as desired. You need to use a YAML Folding Scalar, > without quotes. I have a variable files like below: ` layers: name: APP things: cactus lotus jasmine rose bgcolor: sky blue name: WAS things: mango apple bgcolor: yellow ` Below is my jinja template file: ` {% for layer in layers %} {% for item in Q: "How do I correctly escape this multiline string so that Ansible can parse it?" A: The problem is the indentation of the block. And what is better in terms of where to put logic - into jinja or playbooks One of my friends described the challenge as “Debugging Ansible is one of the most terrible experiences Using Jinja filters, we need to reverse our logic a little bit. ansible - How to do multiline Jinja2 conditionals in single block? - Server Fault. Automation for the People! A Subreddit dedicated to fostering communication in the Ansible Community, includes Ansible, AWX, Ansible Tower, Ansible Galaxy, ansible-lint, Molecule, etc. I’m running ansible 2. Then I tried Summary When you have a long jinja2 statement that you need to break up over multiple lines, it is not reading the whitespace control directives Issue Type Bug Report OS / However, I still have access to an environment with “ansible 2. It can be a Python, Yaml or Jinja syntax thing. exceptions. In most cases, you can use the short plugin name regex_replace. During the process of debugging it, I learned a bit about multi line strings which are called “blocks” in How to Write Multiline Shell Scripts in AnsibleJust note that Ansible can do some strange things with manipulations of arguments, so you may want to follow something like this: Here's a task I have on my playbook: - name: Parse 'LANGUAGE' from current locale and language configuration set_fact: locale_language: "{{ locale_status. The below example will work correctly, with each newline translating to a space. In SaltStack, this can be configured in the Salt configurations files, under In this tutorial, we'll learn advanced Ansible Playbooks Jinja2 templates and variables. 10. lmmlvu fthcq rnlk dkgte ftkjg grgyc iclbm aezhr cddbljk cgsbx