ansible loop over dictionary

Ansible loops over lists and array mixin Ask Question Asked 6 years, 7 months ago Modified 3 years, 3 months ago Viewed 4k times 1 I'm currently trying to work on a task which will create directories for two differents services but I've trouble solving how am I suppose to do that using ansible loops. both dict of same size I was able to get data of both dict in single loop: Thanks for contributing an answer to Stack Overflow! how can I address a nested variable in a loop? The error was: 'unicode object' has no attribute 'name'. Cat may have spent a week locked in a drawer - how concerned should I be? ansible - How can I call with_items task registered output in another The best answers are voted up and rise to the top, Not the answer you're looking for? 0 Ansible Lineinfile insert after syntax issues. You will need to loop over sslarn.results in subsequent tasks. Is it ethical to re-submit a manuscript without addressing comments from a particular reviewer while asking the editor to exclude them? it to ansible so that the properties keys is a list of lists instead Asking for help, clarification, or responding to other answers. Does a Wand of Secrets still point to a revealed secret or sprung trap? What is the law on scanning pages from a copyright book for a friend? 6 Answers Sorted by: 47 Hows this - hosts: localhost vars: war_files: server1: - file1.war - file2.war server2: - file1.war - file2.war - file3.war tasks: - name: Loop over subelements of the dictionary debug: msg: "Key= { { item.0.key }} value= { { item.1 }}" loop: " { { war_files | dict2items | subelements ('value') }}" Can you tell us more about how you are going to use this? Ansible: Loop over a list of services and disable those from a list of unwanted services which are actually present. How to iterate through dictionary with Ansible? - Stack Overflow The dict2items filter is the least painful way I've found. Dictionaries Ansible Documentation If you are looking for more Ansible tips, such as how to make a playbook distribution agnostic or setup your laptop with Ansible, look here. - name: Create and/or update the subnet . Is calculating skewness necessary before using the z-score to find outliers? ansible - Iterating through nested list / dictionary using Jinja2 THank you for your message :) Basically, print is the first step. Open a new question if you have other issues e.g. How to iterate through dictionary with Ansible? Ansible: iterating over a nested dictionary? - Server Fault I believe this would easily allow you to loop over the constructed lists setting the each property. Why is type reinterpretation considered highly problematic in many programming languages? Ansible loop is used to repeat any task or a part of code multiple times in an Ansible-playbook. Currently, I am trying to do this by creating the list as a list of dictionaries which can be specified using --extra-vars at runtime. You're stuck with a string. How can I shut off the water to my toilet? Its not a huge surprise, whilst the documentation is pretty clear its written in a slightly abstract way that can a little difficult to absorb if youre a newcomer to Ansible, this isnt aided by the fact that there are several options for looping and they all get muddled up together. Exploring the infrastructure and code behind modern edge functions, Jamstack is evolving toward a composable web (Ep. The Coach has automated everything from Cisco hardware to AWS resources using various tools like Python, Ruby, Go, Terraform, Packer, CloudFormation, CI/CD, JenkinsCI, GitOps, and much more. Show how you define one of the item_ entries with more than one id & value. . You might very easily end up with de-synchronized items. effectively re-implementing the .items() method by hand. This is very inefficient and slow. 2023 Radek Sprta - License CC BY-SA 4.0 - Powered by Nikola, how to make a playbook distribution agnostic. Asking for help, clarification, or responding to other answers. Adjective Ending: Why 'faulen' in "Ihr faulen Kinder"? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, I need both of dictionary Key as well as values inside a loop, Be extra carefull implementing this as dict key order in yaml/ansible/python cannot be relied upon. You are fundamentally misunderstanding the original question. looping over the list of colours and attempting to run a nested loop inside, that counts the number of people who's favorite is the color of the current loop iteration. How on earth does one iterate through this list? I tried with with_dict: "{{ subnets }}" and then i.e. How can I shut off the water to my toilet? 24. The subelements is in the case you ever have subelements of such items. No wizardry needed to use Ansible's magic variable 'hostvars', Use Redfish to manage servers automatically, How to get started with Ansible Private Automation Hub, Ansible Automation Platform beginner's guide, A system administrator's guide to IT automation, Ansible Automation Platform trial subscription, Automate Red Hat Enterprise Linux with Ansible and Satellite, http://jinja.pocoo.org/docs/2.9/templates/#assignments. I have ansible task to read dictionary variable from yaml i.e. What is the "salvation ready to be revealed in the last time"? For example, I have task: Fortunately, Ansible supports looping over datasets to ensure that you can perform large scale operations using tightly defined code. Define variable in LaTeX with value contain mathematical operator. There are three levels to the nesting, which is the 'real' problem. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why should we take a backup of Office 365? I'm pretty sure this can be solve smarter :D. Basically I just need list of all IPs of all zones. Looping over an ansible dict for specific value, Iterate over a dictionary with multiple values in Ansible. Tim has spent the bulk of his career in the solution architecture space, problem-solving and designing solutions to meet very specific needs. At 4 feet, do I need a center support? Subelements walks a list of hashes (aka dictionaries) and then traverses a list with a given (nested sub-)key inside of those records. Hosts is our inventory file and is simply our localhost that we are running Ansible on. This lookup plugin is part of ansible-core and included in all Ansible installations. For example, use dict2items to "loop and have key pair values in variables" item.key and item.value, The next option is to loop the list of the dictionary's keys. This has been working: returning The task includes an option with an undefined variable. Is it possible to play in D-tuning (guitar) on keyboards? So in each loop iteration of the colours variable, we are able to now add a new element that contains the number of people who deem this their favourite colour. Tim Fairweather. As of Ansible 2.5 the loop function is stable and is the desired solution for all loops (though with_ remains a supported solution). You will sure say "awesome" when you realize the easiness with loops. Working with variables can sometimes get tricky in Ansible. The best answers are voted up and rise to the top. "He works/worked hard so that he will be promoted.". Note 2. Ultimately, this Task will produce our 3 new accounts (and any number of accounts we need) just by altering the input values: 2 Replies to Ansible Looping Over Lists and Dictionaries, Hello, What is the law on scanning pages from a copyright book for a friend? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. | you can place your dictionary variable under the vars segment of your playbook like this Follow edited Feb 1, 2022 at 6:30. Knowing the sum, can I solve a finite exponential series for r? by Thanks for contributing an answer to Stack Overflow! It only takes a minute to sign up. This also applies to loops. Finally, it casts the result intolist. Connect and share knowledge within a single location that is structured and easy to search. Ansible - looping over all items in a list inside a dictionary Try as below: Ansible Dictionary - How to create and add items to dict One containing a list of people with their favourite colours, and a second one containing a list of colours with things that happen to be of those colours. How to manage stress during a PhD, when your research project involves working with lab animals? They all have the same schema. Going over the Apollo fuel numbers and I have many questions, I think my electrician compromised a loadbearing stud. Since Arctiq'sstart in 2016, Tim has applied this background to various technologies and verticals for Arctiq's clients and partners. In most cases, you can use the short plugin name dict even without specifying the collections: keyword. Is tabbing the best/only accessibility solution on a data heavy map UI? 3. Word for experiencing a sense of humorous satisfaction in a shared problem. Find centralized, trusted content and collaborate around the technologies you use most. Setting constant values in constraints depending on actual values of variables. Find centralized, trusted content and collaborate around the technologies you use most. Ansible Nested Loop with List and Dictionary - techbeatly How would tides work on a floating island? Change the field label name in lightning-record-form component. Please keep in mind that it is not possible to set variables inside a block and have them show up outside of it. rev2023.7.13.43531. Hosts is our inventory file and is simply our localhost that we are running Ansible on. Related questions. I think my electrician compromised a loadbearing stud, How to number enumerate as 1.01, 1.02.. 1.10. Loop for nested dictionary in Ansible : r/ansible 6 mo. (we unlocked this with that extensions line in our ansible.cfgfile) In our case, we are updating the colour of the current loop iteration to include a new key/value pair called people_count. Iterate a list within a dictionary in ansible. jinja2 - Ansible create a list from a loop inline - Stack Overflow For this, the community.general.dict filter can be used: - name: Create a dictionary with the dict function debug: msg: "{ { dict( [ [1, 2], ['a', 'b']]) }}" - name: Create . Conclusions from title-drafting and question-content assistance experiments How to loop over this dictionary in Ansible? Connect and share knowledge within a single location that is structured and easy to search. And How can I run commands in sudo mode with ansible playbook? I have ansible task to read dictionary variable from yaml i.e. When did the psychological meaning of unpacking emerge? | I managed to find directories with the example file, as well as fetching and uploading them, but for some reason I cannot find the directories first and then loop over them to search for the file. Recently Ive been writing some Ansible plays for a personal project and looking around online reminded me just how much people struggle with handling loops. How to pass a different sets of variables for each iteration of loop in Find centralized, trusted content and collaborate around the technologies you use most. I double loop over dns_zone_config and their host entries. Change the field label name in lightning-record-form component, Vim yank from cursor position to end of nth line, Pros and cons of semantically-significant capitalization, Going over the Apollo fuel numbers and I have many questions. In what ways was the Windows NT POSIX implementation unsuited to real use? How to loop over this dictionary in Ansible? This is where the map filter comesin: The snippet takes all values fromthe interfaces dictionary(eth0, eth1) and then extractsthe ip attribute from them. 1 I have an Ansible task which loops through a list and for each item in the list runs a role, using include_role. We are NOT able to extract the value of the colour_count variable outside of the inner loop where we are performing the count. EDIT: At the time of writing this answer, Ansible 2.6 wasn't out. Jinja 2 can be a pain, but ultimately a very powerful tool. A: The variable dict_var is a list. I have the following example ansible task section that works fine: filters: - id: 1 action: block - id: 2 action: block and I'd like to convert it to something like: filters: | {% for Sum of a range of a sum of a range of a sum of a range of a sum of a range of a sum of. If I ignore the "I want to check the value first" part, I could solve this through templating instead, like this: That works, but it's ugly, and will result in everything being and for now I just want to loop over each item (key), and then over each item in the key (value). Is calculating skewness necessary before using the z-score to find outliers? Post-apocalyptic automotive fuel for a cold world? Which superhero wears red, white, and blue, and works as a furniture mover? However, what if we want to extract all entries in the dictionary, how would we go about that? What is the libertarian solution to my setting's magical consequences for overpopulation? First, add the following line to your ansible.cfg: Then modifyyour varloop.j2 file like this: Notice the do block in the updated template. Iterate a list within a dictionary in ansible. I did this. In this section, we will explore how to make practical use of loops in your Ansible playbooks. Does it cost an action? The error was: 'item' is undefined\n\n, Ansible loop and print dictionary variable, Exploring the infrastructure and code behind modern edge functions, Jamstack is evolving toward a composable web (Ep. 4 Answers Sorted by: 13 You came across one of the limitations of Jinja/Ansible templating, namely there is no way to evaluate expressions, which would be required to get to the value of something like ansible_ { { item }}. In essence, I have a nested array and want to iterate over it? For example the first items Key is Alice which can be called with {{ item.key }}, this item has two child Values of Shell and Group, each of which can be called with {{ item.value.shell }} and {{ item.value.group }} respectively. Making statements based on opinion; back them up with references or personal experience. Is tabbing the best/only accessibility solution on a data heavy map UI? 0. If anything, using. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Say, you have a dictionary where you want loop over a certain attribute, not all values. => {"msg": "The task includes an option with an undefined variable. subnets[0] (in all.yml of group_vars). Is a thumbs-up emoji considered as legally binding agreement in the United States? Pros and cons of semantically-significant capitalization, I think my electrician compromised a loadbearing stud. How to loop over this dictionary in Ansible? - Stack Overflow rev2023.7.13.43531. I mean, it's basically the same a calling. Follow edited Nov 2, 2018 at 21:29. answered Nov 2, 2018 at 21:18. Ansible: iterating over a nested dictionary? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The error was: 'list object' has no attribute 'foo', The YAML format below gives the same result. In what ways was the Windows NT POSIX implementation unsuited to real use? 588), Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned. The results of the second loop (win_apps) are inside a results dictionary, as outlined in https://docs.ansible.com/ansible/latest/user_guide/playbooks_loops.html#registering-variables-with-a-loop. changed every playbook run. Ansible iterate a dictionary with lists.
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