Ansible read yaml file into variable

Ansible read yaml file into variable. Prepend your vars names. Selecting variables files based on facts. Just wanted to read the CSV files using read_csv and register / set_fact them to the filename, which should be the variable name. Jan 23, 2018 · 5. yaml file extension). I have a variable called DEPLOY_URL. register: result. In your example, the syntax with the pipe (the | symbol) is the syntax for filters. AWS_SECRET_ACCESS_KEY=yyyyyy. general . yml -e username=golinuxcloud. In most cases, you can use the short plugin name to_yaml . I would like to create a playbook that reads a local file to a var, Then be able to loop through this var line by line and use the lines in a task. Feb 15, 2016 · You might be lucky and it'll work to simply add a symlink to your file /var/database_credentials. May 27, 2022 · if read in variable context, the file can be interpreted as YAML if the content is valid to the parser. debug: May 23, 2024 · Note. [ansible@controller ~]$ ansible-playbook variable-with-cmd-line. Encrypted content created with --vault-id also contains the vault ID label. iso_vlan: vlan_id: "{{ vardata. /myfile. yml) parse_yaml accepts a prefix argument so that imported settings all have a common prefix (which will reduce the risk of namespace collisions). decrypt (), and encrypted with vault. In addition, Ansible uses lists and dictionaries to exchange data within processes and with third parties. You can try to use replace instead of variable as a key, if you wish to change it in the template. yml inside with the following content: ansible_connection: network_cli. If you are only interested in a specific branch of the data tree, a reference to its path will take you down the JSON structure hierarchy and allow you to select only that portion of the JSON object. In most cases, you can use the short plugin name lines. . value} ) }}" with_items: Apr 30, 2021 · This allows users to specify a directory containing vars files that are intermingled with non-vars files extension types (e. yml > var_in_file. In the next task I will be executing a confluent command as a shell command. Also, answer with using yq for single vars might work too: yq -r ". Here you'll find the list of builtin filters with documentation and examples. Ansible internally auto-converts JSON strings into variable structures so this plugin is used to force it into a JSON string. added in 2. json file, suitable for use with jq. You will typically find this type of naming conventions in e. are not reflected on Git repository (thus not synced to other developers) are easy to maintain. txt')}}" I tried using: with_file. become: true # use case specific option. See the replace module if you want to change multiple, similar lines or check blockinfile if you want to insert/update/remove a block of lines Sep 22, 2020 · When using dir, this module will, by default, recursively go through each sub directory and load up the variables. Jun 7, 2022 · I'm trying to read from a list of CSV files (fileglob) and the files have a standard naming convention. To understand variables you’ll also want to read Conditionals and Loops. See the ansible. txt delimited by newline characters and then do a simple conversion to YAML writing to output. AWS_SESSION_TOKEN=zzzzzzzz. conf ansible. The file is used in the normal way to define hosts and types for code deploy, but I need to also read the full content for adding into a config file. Jun 7, 2022 · - name: Template a file to /etc/file. json to templates {{ ansible_host }}. The client is what actually writes to the file. dns_name: localhost. 2. Here is my play book. 10, The documentation for ansible. set_fact: There are two ways to read a file into a variable in Ansible: 1. In this case, hostvars has a complicated structure, so I used the to_json(indent=4) filter to convert to a good . lines for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same lookup plugin name. i gave it a shot using j2 syntax in the variable name part, and - TIL - looks like the jinja2 syntax is allowed in that part as well! please see playbook to process the hooks list variable and assign to variables variable_1, variable_2, variable_3 and so on: - hosts: localhost. For example, given facts that a value of metadata_name is "my_app", app_name is "My Application" and Nov 17, 2019 · I am new to Ansible. The YAML file then looks simplified like this: my_list_from_template: {% filter from_yaml %} {% for my_os_stage in all_os_stage -%} - name: "Template for {{ my_os_stage }}" Oct 29, 2014 · As of Ansible 2. general. connection: local. Variable Scopes and Precedence: Ansible variables can be set at different scopes, including play level, host level (host_vars), and command-line level. template module. Based on the value of the env variable, the DEPLOY_URL has to change. copy says: If you need variable interpolation in copied files, use the ansible. Nov 22, 2021 · I started to deploying an ansible server, and i was trying to create 5 users in the client hosts, through a playbook (add5userslist. ex:- {{ variable_name | from_json | json_query('')}} May 23, 2024 · Beginning with version 2. - name: viewing the contents. com According to Ansible documentation, I can load this data structure into a variable: - name: Include vars of stuff. When this argument specification is defined, a new task is inserted at the beginning of role execution that will validate the Apr 28, 2021 · 1. include_vars: file: "/etc/configs/mydata". The ansible-examples github repository contains many examples of how variables are used in Ansible. If multiple YAML documents are not supplied, this is the equivalend of using from May 8, 2019 · This example has two plays. Converts an Ansible variable into a JSON string representation. The full name is ansible. tasks: - name: Print HTTP port. Before using the below code make sure you are really required to use those environment files, and you cannot easily use some other mechanism like: a YAML file with Jun 13, 2019 · You cannot use such a recursive jinja2 variable declaration in ansible. with Ansible file lookup you can read a file and assign to a variable for further processing. this lookup does not understand ‘globing’, use the fileglob lookup instead. to_yaml filter – Convert variable to YAML string. hosts: localhost. hooks: Jun 20, 2017 · EDIT 1: Added the ansible-galaxy line in the bash script excerpt above to show how the requirements. I tried doing the following : DEPLOY_URLS: "dev": "xyz". * Note that indent can now be overridden, at least as of Ansible 2. 2). slurp for easy linking to the module documentation and to avoid Jan 25, 2016 · I placed the @somefile. in the following example, you could notice that the task1 and task2 are doing the exact same job of copying the This page provides a basic overview of correct YAML syntax, which is how Ansible playbooks (our configuration management language) are expressed. The name of a variable into which assign the included vars. - name: Read Data File set_fact: data: "{{lookup('ansible. The community. yml --ask-vault-pass. ansible_facts[‘distribution’] ansible_facts[‘distribution_major_version’] ansible_facts[‘os_family’] Basic conditionals with when Feb 16, 2011 · and will output the same as in the previous example. name }}" state: present. You'll also find a lot of useful informations on Jinja's template designer doc. It also splits the file into a list via the \n (newline) character. To assign included variables to a different host than inventory_hostname, use delegate_to and set delegate_facts=yes. - name: Use Secondvar. Now there are YAML blocks in the YAML file that we would like to generate using Jinja2. name: manifest. Can I somehow do something like this: ecs_taskdefintion: containers: {{ load_external_yaml containers. blockinfile if you want to insert/update/remove a block of lines in a file. Firstly, these tools make your playbooks reusable and applicable in many scenarios and infrastructure. g. If omitted (null) they will be made top level vars. . In Ansible 2. become: false tasks: - name: Read Data File. - debug: var=variable. Encrypted content always includes the !vault tag, which tells Ansible and YAML that the content needs to be decrypted, and a | character, which allows multi-line strings. Andthis is what ansible retrieves when i try to use this playbook with that list: Aug 30, 2019 · I have this file in my remote host: $ cat /etc/default/locale LANG=pt_PT. Jun 5, 2015 · Method 3: Read from an external JSON file If you have a lot of special characters, use a JSON or YAML file containing the variable definitions. - name: "Parse yaml into variable". Dec 15, 2017 · 3 Answers. bash. Following are some use cases - name: Long form task does not ansible. As of Ansible 1. Nov 4, 2014 · Original answer: You can use the copy module, with the parameter content=. I have constructed a dictionary of variables like below. May 23, 2024 · You can encrypt two types of content with Ansible Vault: variables and files. json file: { arg1: "demo1", arg2: "demo2" } edited Sep 28, 2022 at 9:22 answered Sep 28, 2022 at 7:28 samnoon 1,653 2 14 24 5 ansible-playbok -i <inventory> <playbook-name> -e "proc_name=sshd Jan 8, 2019 · In my playbook I read the file into a variable manifest: name: load file into variable. After all, they are all part of YAML, which administrators use to create Ansible playbooks. Lastly, using them will help you write abstract automation flows, which will work in some infrastructures. Jun 14, 2023 · Imagine I have a YAML configuration file config. Dec 20, 2021 · In case they need to overwrite, you want to guarantee that their changes: persist on their setup. yaml inside the Ansible directory and upon running the playbook it worked like charm also encrypted it using ansible-vault and called it via playbook command. Let’s talk about the Ansible module template . Your inventory defines the managed nodes you automate, with groups so you can run automation Oct 13, 2016 · I'm struggling with some Ansible/YAML syntax here. Simply put, Ansible file lookup helps to read the file content and load or display within the Ansible playbook. name: variable. To facilitate encrypting and decrypting we need to import a few things from our Ansible installation: After we read our vault password from the password file, VaultLib can be initialized in a single line: Encrypted values can now be decrypted with vault. json_query filter lets you query a complex JSON structure and iterate over it using a loop structure. I have an inventory file. Commonly-used facts. Generally I would either put my variables into the inventory files themselves, or convert them to yml format and use the include_vars module (you might be able to run a sed script to convert your environment file to yml on the fly). I am trying to read this as a whole into ansible. The path is made of dot-separated key names. This is what I am doing: Template host vars in YAML format: - name: builti Oct 21, 2020 · ansible_host: Y. gather_facts: false. In most cases, you can use the short module name slurp even without specifying the collections keyword . template: src: /mytemplates/foo. json_query filter. encrypt (). Jun 10, 2022 · I have a yaml file file1. file for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same lookup plugin name. You can register the contents of the file in a variable using the register command. Jun 19, 2022 · Ansible File Lookup Example. sample. appserver_root_directory: C:\app. debug: msg: "HTTP Port is { { http_port }}" Jun 19, 2022 · Simply put, Ansible file lookup helps to read the file content and load or display within the Ansible playbook. Actually I want to create VMs. Jan 9, 2024 · Now additionally since this section is about using command line variables we will define the same variable using username and assign a different value: bash. I understand I need to load file1 to a dict and modify it. In many cases, you will need to perform complex operations with your variables. May 23, 2024 · Selecting variables, files, or templates based on facts. I gave the exact same answer here: Write variable to a file in Ansible. Useful things like the group_by module and the when conditional can also be used with variables, and to help manage differences between systems. UTF-8 How can I read that and import hose key=value pairs into variables to use in the following ta Feb 15, 2016 · In case if you need to read a JSON formatted text and store it as a variable, it can be also handled by include_vars . This filter plugin is part of ansible-core and included in all Ansible installations. By explicitly setting the depth, this module will only go as deep as the depth. How do I read this file, split the line based on "=" and set the values of the variables (AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_SESSION_TOKEN) so that I can use these variables in the script for later use? Aug 9, 2018 · write your inventory in YAML, whole or a part of it, if you use a directory and split the inventory into multiple files. I want the values of the yaml file to be input into the other file. Examples ¶ May 23, 2024 · Note. I am pretty sure these imported vars at the first task are Feb 26, 2021 · I am trying to write Ansible task that will read the third line and then extract the key into a variable which I need to export as an environment variable in the task. /input. yaml does not exist I need to create file2. Mar 6, 2020 · Run a command to output the content of the file (e. file', '. Further, there are libraries available in most programming languages for working with YAML. Debugging conditionals. Files inside the directories named after the corresponding groups and hostnames. Nov 1, 2022 · When you're working with Ansible, it's inevitable that you'll deal with lists and dictionaries. yaml into the 'stuff' variable (2. Here is what I would suggest, - name: get contents of file. reusable roles on ansible galaxy. ansible. If somebody can help me in this regards. command: cat /path/to/file. yml file (or with the . register: filename. yaml), but isnt working. txt'). To specify the vault-password interactively: ansible-playbook site. Technically, this means converting your files {{ ansible_host }}. Manipulating data. I'm using the ec2 module with ansible-playbook I want to set a variable to the contents of a file. tasks: - name: Register a file content as a variable. You switched accounts on another tab or window. yaml), with a loop that uses variables in a list from another file (userslist. This filter functions as a wrapper to the Python json. replace: path: /etc/hosts regexp: '\b(localhost)(\d*)\b' replace: '\1\2. May 27, 2022 · This module ensures a particular line is in a file, or replace an existing line using a back-referenced regular expression. This lookup plugin is part of ansible-core and included in all Ansible installations. builtin. It templates a file out to a target host. UTF-8 LANGUAGE=en_US. copy or ansible. read_csv . the inventory file differs for different environments being deployed, so there is no fixed location for it. My requirements are these: a deployment environment is passed into the playbook as extra vars, for ex : dev, qa or prod. yml "CONF_". But make sure the file you are inputting is also in appropriate format,if not then you can use two filter, first one to convert into appropriate filter and second one to perform json query. /config/config. Apr 30, 2021 · if read in variable context, the file can be interpreted as YAML if the content is valid to the parser. However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible. 11, you may choose to enable role argument validation based on an argument specification. Sep 29, 2022 · Ansible: How to take key values from a yaml file, and insert them into another text file in a loop-like fashion? 1 Ansible read yaml file and write content to another file with some additional info Aug 10, 2021 · Another option would be to use the uri module to retrieve the value into an Ansible variable, then the from_yaml name: Read yaml include_vars: file: /tmp/tmp. Using the `file` module. If the same variable is set at different levels, the most specific level takes precedence. Feb 7, 2019 · If the file is local to the ansible system you can use the ini lookup which will read in values from a ini style file. So you can see here I am treating the imported variable data, which is stored in vardata, as object and trying to call each of them in other tasks. For some reason, the conversion ended up with host ranges ([01:03]) being seperated by = instead of the shown and correct :. ansible-vault decrypt var_in_file. To run a playbook that contains vault-encrypted data files, you must provide the vault password. In most cases, you can use the short module name file even without specifying the collections keyword . If loading a directory, the files are sorted alphabetically before being loaded. While Ansible is not recommended as a data processing/manipulation tool, you can use the existing Jinja2 templating in conjunction with the many added Ansible filters, lookups and tests to perform some very complex transformations. In most cases, you can use the short plugin name file. j2 and use template lookup plugin May 23, 2024 · This module is part of ansible-core and included in all Ansible installations. This prompt will then be used to decrypt (in memory only) any vault encrypted files that are accessed. The `file` module can be used to read the contents of a file and store them in a variable. shell: cat /home/packages. You signed out in another tab or window. The controller play only sets a variable. a directory with a README in it and vars files). See the Ansible documentation titled Defining Variables At Runtime. Jul 27, 2021 · In conclusion, we looked at three important concepts about the Ansible inventory file, variables, and facts. - name: Simple Read file and output YAML. Apr 28, 2020 · I am trying to access a variable from an inventory file (yml) while running an ansible playbook. Jan 23, 2023 · Below is the Ansible code to read in a file name input. Here is my pattern: - name: Load configuration from sample configuration file. To use it in a playbook, specify: community. Create a playbook. This module is also supported for Windows targets. Loads YAML/JSON variables dynamically from a file or directory, recursively, during task runtime. Not sure if it is a other way that putting the encrypted variable into a separate file, indent it and use: ansible-vault decrypt var_in_file. Aug 21, 2018 · state: present. txt file into a data variable that Ansible can use. - name: Print the transformed variable. typical use within a script is: eval $(parse_yaml sample. ---. Oct 4, 2016 · I am creating an ecs_taskdefinition in ansible, but I would like the task-defintion in a sperate file. To use the `file` module, you need to specify the following parameters: Jan 12, 2024 · After defining variables in your inventory file, you can use them in your Ansible playbooks. yields: CONF_global_debug="yes". template, it’s part of ansible-core and is included in all Ansible installations. Snippet format of inventory file (only relevant section) looks like Feb 25, 2022 · 1. This is primarily useful when you want to change a single line in a file only. name. Access a subset of the data. The directory name from which the variables should be loaded. 5 or later, playbook authors are encouraged to use fail_when or ignore_errors to get this ability. Example contents of my playbook. debug: May 23, 2024 · ansible. txt. Templates are processed by the Jinja2 templating language. replace: path: /etc/ssh/sshd_config regexp: '^(ListenAddress Apr 30, 2021 · Running a Playbook With Vault ¶. variable" ansible_playbook. (YAML is not mentioned in the docs but it would be strange if YAML is not supported since pretty much everything in Ansible is based on YAML) If not, you can create a script in the language you prefer which reads that file and outputs a JSON Aug 24, 2022 · The first task reads the input. You'll see that the bool filter is not listed as it is a filter Dec 12, 2016 · I just discovered Ansible INI to YAML inventory converter on github which worked fine for me: This repository contains a Python script for converting Ansible inventories in INI format to YAML format. This specification is defined in the meta/argument_specs. curl if you are fetching over http or cat if the file is on a local filesystem), then feed it to from_yaml: - name: "Read yaml file". The next option is putting the variables into the files inside the directories named after the corresponding groups and hostnames. May 23, 2024 · To check whether it is installed, run ansible-galaxy collection list. If your file is remote you can use fetch/slurp to pull a copy to the local system. template modules. May 14, 2018 · It would be nice if anyone could write an example how to handle and pass these variables in yaml file into a single variable Ansible variables. Reload to refresh your session. For other cases, see the ansible. Dec 26, 2022 · Neither wantList=True nor the filter list will help you to parse the file because it's not a valid YAML. create a directory group_vars in the same directory as your inventory file and put a file vyos. yml Jan 11, 2016 · 4. You can test this yourself: ansible-inventory -i path/to/yaml/files/ --list. vars: counter: 1. And if file1. We use YAML because it is easier for humans to read and write than other common data formats like XML or JSON. Feb 1, 2022 · Ansible Concatenate multiple files in a specific order. dumps function. May 23, 2024 · Synopsis. Var with the filename; shell task to cat the file; use the result of the cat to pass to the ec2 module. Here's how I'm currently doing it. shell> cat host_vars/station01. Jun 27, 2023 · In this solution, the idea is to create the content in YAML and convert it to JSON as the last step. I will use the csv files to get the details (like hostname, partition details, IP details) of the VMs. If you can't change the structure of the file you'll have to parse it on your own. tasks: - include_vars: file: variable-file. yaml file and add the following content: --- - hosts: web. secondvar. Dec 15, 2016 · You signed in with another tab or window. If we need to update the passwords or view This page provides a basic overview of correct YAML syntax, which is how Ansible playbooks (our configuration management language) are expressed. To get the file content i used: file_contents: "{{lookup('file', '. 5 this module would not fail if reading the remote file was impossible unless fail_on_missing was set. May 23, 2024 · This is primarily useful when you want to change a single line in a file only. yml. id }}" name: "{{ vardata. parse_yaml sample. yaml". They may also explicitly set fail_on_missing to false to get the non-failing behaviour. localdomain\2 \1\2' - name: Explicitly specifying positional matched groups in replacement ansible. Ansible automates tasks on managed nodes or “hosts” in your infrastructure, using a list or group of lists known as inventory. yaml. Mar 29, 2021 · You can always use regex in ansible to set facts. yaml with just the country. yaml like this, name: teshan age: 420 country: lka # this line might not be present In my Ansible playbook, I need to read this, add/ modify the country and write to a file2. For example, in the template set a name for a search with regex (CHANGETHISVAR) and use the module: - replace: path: /path/to/your/file regexp: ' (CHANGETHISVAR)' replace: 'db_name'. thanks – Arsalan Ahmed May 9, 2018 · 1. If the path is relative and the task is inside a role, it will look inside the May 23, 2024 · Selecting JSON data: JSON queries. I think that this is the problem: ansible-galaxy is not expanding the variable substitutions, whether included in group_vars/all or the environment. To select a single element or a data subset from a complex data structure in JSON format (for example, Ansible facts), use the community. 3, extra vars can be formatted as YAML, either on the command line or in a file. Using the `template` module. ansible_user: my_vyos_user. Selecting files and templates based on facts. Aug 30, 2019 · I have a file with the following content: AWS_ACCESS_KEY_ID=xxxxxxx . yml --extra-vars "@vars. If i read Jan 6, 2024 · Let's break down the information about variable precedence in Ansible: 1. Oct 18, 2017 · I have a task which runs an uri call to get a JSON file containing a YAML fragment (it is obtained from Rancher API). - name: set fact. - hosts: localhost. Now what I need is a way to replace Jinja2 templates in the manifest variable by actual values. 0 (I use it to indent 2 spaces to follow coding standards for one project). I want to know how I can read an excel or csv file inside Ansible, store the information in variables and work with those variables. replace module if you want to change multiple, similar lines or check ansible. variable: item. conf owner: bin group: wheel mode: '0644' When Ansible renders the template it will replace the curlies with your variable values from your yaml file and leave the rest of the template alone. However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible. I'm able to extract the YAML fragment using the following task - name: May 23, 2024 · How to build your inventory. Oct 15, 2022 · I am trying to load variables from a YAML file to be used as environment variables in a later task of the same playbook. include_vars: . file for easy linking to the module documentation and to avoid conflicting May 23, 2024 · Converts a YAML documents in a string representation into an equivalent structured Ansible variable. shell: "cat /path/to/file. Ansible internally auto-converts YAML strings into variable structures in most contexts, but by default does not handle ‘multi document’ YAML files or strings. Apr 6, 2020 · You should read ansible templating doc . path. to_yaml for easy linking to the plugin Mar 10, 2015 · So something like: only catch is you can't override indent=4, * allow_unicode=True, default_flow_style=False. ansible_network_os: vyos. Yes, it works the same with ini, yaml, dynamic inventory sources, or combinations of static and dynamic inventory. string. In your case, it looks like you want this variable written to a local logfile, so you could combine it with the local_action notation: - local_action: copy content={{ foo_result }} dest=/path/to Dec 21, 2018 · 1. Apr 8, 2024 · We typically load a file of YAML code into our playbook using include_vars. j2 dest: /etc/file. yml like the following:--- vendor: url: https://acme. I have to read every line from a text file and add that in yaml. The output file cannot be fully re-written Oct 14, 2016 · 11. json" The vars. Better documentation for to_nice_yaml can be found here. Jan 30, 2018 · ・ You made a mistake in using a wrong variable name, yet your question is about: the best way to read a YAML file or generally a configuration in a playbook and then have the variables passed in another playbook? ー This is not what a user active on SO for over 6 years should be posting. yml file is being used. dir. yaml }} So I want to load the yaml data from external files. 2. To install it, use: ansible-galaxy collection install community. I tried something like below, but it doesn't work - I get error May 23, 2018 · As the number of variables can grow in size, I'd rather prefer to pass the dictionary of variables to the task using vars. ansible_host: localhost. Jun 6, 2022 · I have 2 files, one of an indeterminate but consistent format (which could be some sort of html format), and one of a yaml format. How do I echo multiple lines (in append mode) in to a file? I also can't use the copy module (with the content arg) because it has to be appended. tasks: - set_fact: variables: "{{ variables|default({}) | combine( {item. You can pass host names at the command line, but most Ansible users create inventory files. json. yaml }} volumes: {{ load_external_yaml_volumes. Here are 2 (non exhaustive list) alternative solutions: Don't use a hash. Jun 24, 2021 · Learn how to pass variables to your Ansible playbooks makes them more portable and flexible. Using a variable in the content field will result in unpredictable output. Apr 19, 2022 · 1. It allows you to take either data from May 23, 2024 · Prior to Ansible 2. Y. split('\n')}}" set_fact can be one of your best friends in Ansible. Sorted by: 0. More details stackoverflow. This module is part of ansible-core and included in all Ansible installations. ansible-playbook site. pi ix uu gg iz ve iw dh wz nr