Ansible replace string in json file. json to templates {{ ansible_host }}.

Ansible replace string in json file. Using with_items I can able to replace a string in all files but unable to use the register to check the file exists in the loop. This filter plugin is part of ansible-core and included in all Ansible installations. 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. here is the quick ansible playbook example that reads JSON file Nov 5, 2024 · Note. How to replace text of an XML element with Ansible? Sep 30, 2021 · Then, replace the file, e. To read JSON file into the ansible playbook, ansible has given us a filter named from_json. Manage files and file properties. This is an except from the file:--- settings: domain: 127. j2 and use template lookup plugin Aug 15, 2015 · Wow, it worked. I think there was multiple levels of issues with this but thank you sir! – ansible. conf. We covered how to replace simple strings, change specific lines, use regular expressions for advanced text manipulations, create backups, handle multiline patterns, and perform case-insensitive replacements. 0-4"}, "ghi": {"host": "xyz", "version": "4. 0-4"}, "def": {"host": "xyz", "version": "4. replace('\n', '') wasn't getting rid of it, I thought, what the hell, I'll try this, and it WORKED. replace module – Replace all instances of a particular string in a file using a back-referenced regular expression. Jun 11, 2018 · I'm using Ansible to automate some configuration steps for my application VM, but having difficult to insert a new key-value to an existing json file on the remote host. argh. In most cases, you can use the short module name replace even without specifying the collections: keyword. However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible. I have a folder containing files as well as other folders. Despite that, we recommend you use the FQCN for easy linking to the module I am running this Ansible playbook: - name: Set String set_fact: string: item loop: "{{some_var|filter()}}" register: output - name : Create a File copy: content Jan 9, 2023 · will result into an output file ~/test$ cat strings. Replace all instances of a particular string in a file using a back-referenced regular expression. json content: "{{ sample|to_json }}" gives. There was a trailing \n in a JSON string I was trying to post to a server using the uri_module. The JSON file method involves modifying the JSON file directly using a text editor or a command-line tool such as jq Apr 28, 2021 · Exploring and validating data from an environment is a common practice for preventing service disruptions. conf) if the files exist in the same directory. You can choose to run the process periodically or on-demand, and the data you're checking can come from different sources: telemetry, command outputs, etc. This module ensures a particular line is in a file, or replace an existing line Most likely would work too. replace – Replace all instances of a particular string in a file using a back-referenced regular expression Note This module is part of ansible-base and included in all Ansible installations. I swear I was working on this for hours. g. yaml. lineinfile module – Manage lines in text files. . template module – Template a file out to a target host Aug 15, 2019 · I have a web application that uses a YAML file for configuration. 1. 1 I have an Ansible playbook that uses the lineinfile module to replace the IP address in the YAML file above with the server's public IP address. This is primarily useful when you want to change a single line in a file only. txt alpha beta gamma delta zeta omega Further Documentation. win_lineinfile. from_json for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same filter plugin name. windows. Oct 29, 2023 · Ansible provide multiple ways that you can use to replace a string, an entire line or words that match a certain pattern. If you can not do that (e. How to replace text of an XML element with Ansible? In this article, we explored the Ansible replace module and its practical applications. Template a file out to a target host. In most cases, you can use the short module name replace even without specifying the collections keyword. You could use the jsonpointer module as a way of locating the data you wish to modify, and then return the modified object to ansible. I have inside those folders, some JSON files, and I would need to change in all those folders, the string "logs" to "LOGINS" in those file ansible. Sep 3, 2020 · First of all you need to get those variables into ansible. There are two modules that you can use to achieve this: the replace module and the inline module. This module ensures a particular line is in a file, or replace an existing line using a back-referenced regular expression. but, of course, we need to use it along with few more commands and module like shell to read the json file. ansible. community. 0. Jun 27, 2023 · In this solution, the idea is to create the content in YAML and convert it to JSON as the last step. Ensure a particular line is in a file, or replace an existing line Mar 21, 2018 · I can replace a string in the file if the file exists in a directory. A starting point might look like: import jsonpointer. Jun 19, 2022 · How to read JSON file into ansible playbook. template. replace. - copy: dest: sample. Technically, this means converting your files {{ ansible_host }}. Similarly, I want to replace the string in another 25 files (test2. The easiest way is to define them in the inventory. In most cases, you can use the short plugin name from_json. file. ansible. builtin. json {"abc": {"host": "xyz", "version": "4. test25. because this json file is generated on the host), you can use the include_vars module to load the variables. In this article, we explored the Ansible replace module and its practical applications. 0-4"}} Sep 4, 2017 · I don't know about the best way, but one option is to write a simple library module to handle the mechanics of the update for you. Aug 15, 2024 · include_vars module – Load variables from files, dynamically within a task; to_json filter – Convert variable to JSON string; to_nice_json filter – Convert variable to "nicely formatted" JSON string; copy module – Copy files - Parameter: content; Similar Q&A. Aug 14, 2024 · Replacing text in Ansible JSON files can be useful in various scenarios, such as: Updating configuration data; Modifying variables for different environments; Customizing playbooks for specific use cases; The JSON File Method. This module is part of ansible-core and included in all Ansible installations. json to templates {{ ansible_host }}. shell> cat sample. qqo ebpteblmt himd frcen hxgnd gerwmj kyfhtt kbjn jwxe lfqi