Not the answer you're looking for? Last updated on Feb 17, 2023. ansible.builtin.regex_findall(positional1. Enable the jinja2_native setting if you want the regex_search filter to always return None if it cannot find a match. The best answers are voted up and rise to the top, Not the answer you're looking for? installations. 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. I was trying to do the same thing, ended up doing it like this: There could be something whacky about escaping characters, but there's an escape-less way to code a literal dot: Most characters lose their special meaning when in a character class, and the dot is one of them. address. 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). Pass the key_name and value_name arguments to configure the names of the keys in the list output: Use the items2dict filter to transform a list into a dictionary, mapping the content into key: value pairs: List data (before applying the items2dict filter): Dictionary data (after applying the items2dict filter): The items2dict filter is the reverse of the dict2items filter. This describes the input of the filter, the value before | ansible.builtin.regex_findall. start a value. For example, if you expect the input True from a vars_prompt and you want Ansible to recognize it as a boolean value instead of a string: If you want to perform a mathematical comparison on a fact and you want Ansible to recognize it as an integer instead of a string: You can switch a data structure in a template from or to JSON or YAML format, with options for formatting, indenting, and loading data. Do EMC test houses typically accept copper foil in EUT? is an XPath expression used to get the attributes of the vlan tag in output XML. To get the minimum value from list of numbers: To get the minimum value in a list of objects: To get the maximum value from a list of numbers: To get the maximum value in a list of objects: Flatten a list (same thing the flatten lookup does): Flatten only the first level of a list (akin to the items lookup): Preserve nulls in a list, by default flatten removes them. To learn more, see our tips on writing great answers. Regexp is used to modify the particular line in the file. Ansible: regex to search for a specific string in list, The open-source game engine youve been waiting for: Godot (Ep. To test if a string is a valid IP address: You can also require a specific IP protocol version: IP address filter can also be used to extract specific information from an IP https://www.rogerperkin.co.uk In this video I am using an Ansible Regex search to find all instances of ntp server in my Cisco router config. Issue Tracker The same command could be parsed into a hash by using the key and values It doesn't evaluate the variable, rather interprets literally. You can combine data from multiple sources and types, and select values from large data structures, giving you precise control over complex data. Positional parameters This describes positional parameters of the filter. In the following examples i will show you how to use ansible lineinfile module with different parameters like regexpto insert new lines. After I've found Use Jinja match filter instead of regex_match Has China expressed the desire to claim Outer Manchuria recently? (And making sure that it would still be able to handle things such as 3.10.1, so that would return a main_version of 3.10, and also things such as 3.10.1-rcblah, and that would return a main_version of 3.10) regex ansible yaml ansible-2.x Share Improve this question Follow edited Nov 10, 2017 at 12:19 asked Nov 10, 2017 at 12:05 Rekovni It modifies the behaviour of combine when the hashes to merge contain arrays/lists. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Connect and share knowledge within a single location that is structured and easy to search. However, we recommend you use the FQCN for easy linking to the Repository (Sources) Search across line endings if True, do not if otherwise. This is due to historic behavior and the custom re-implementation of some of the Jinja internals in Ansible. missing quotes. Asking for help, clarification, or responding to other answers. a specific sequence of, Factory Mind is a young and dynamic cooperative consisting of a team of passionate developers, with a kick for computer science, technology and innovation. How can I store that extracted value to use in another task? 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. vegan) just to try it, does this inconvenience the caterers and staff? Ansible - regular expression search using regex_search. In most cases, you can use the short *)$' to '\^f\.\*o(\.\*)\$', # with path == 'nginx.conf' the return would be ('nginx', '.conf'), # with path == 'nginx.conf' the return would be 'nginx', # with path == 'nginx.conf' the return would be '.conf', # get a comma-separated list of the mount points (for example, "/,/mnt/stuff") on a host, # Get total amount of seconds between two dates. You must have the file existed in the defined path otherwise it will through you error like, fatal: [localhost]: FAILED! I'm having a content like below inside a file. You can use the Ansible-specific filters documented here to manipulate your data, or use any of the standard filters shipped with Jinja2 - see the list of built-in filters in the official Jinja2 template documentation. Note: It does not depend on the value of the hash_behaviour setting in ansible.cfg. Ansible lineinfile module is used to insert new lines at the end of the file or anywhere in the file. Configuration entries for each entry type have a low to high priority order. To get a hash map with all ports and names of a cluster: To extract ports from all clusters with name starting with server1: To extract ports from all clusters with name containing server1: while using starts_with and contains, you have to use `` to_json | from_json `` filter for correct parsing of data structure. Can non-Muslims ride the Haramain high-speed train in Saudi Arabia? The third argument to the filter can also be a list, for a recursive lookup inside the container: This would return a list containing the value of b[a][x][y]. To make a variable optional, set the default value to the special variable omit: In this example, the default mode for the files /tmp/foo and /tmp/bar is determined by the umask of the system. Positional parameters This describes positional parameters of the filter. To ensure idempotency, specify rounds to be neither crypts nor passlibs default, which is 5000 for crypt and a variable value (535000 for sha256, 656000 for sha512) for passlib: Hash type blowfish (BCrypt) provides the facility to specify the version of the BCrypt algorithm. filter: Use of the TextFSM filter requires the TextFSM library to be installed. Why does the impeller of a torque converter sit behind the turbine? In this example, the shell module and register parameter are used to store the contents of foo.txt in the "out" variable and the debug . Two separate "set_fact" stanzas are needed so that "keytype" is set before it is used. Replace part of the regular expresion, Ansible | Access multi dimensional variable for when conditional in nested loop task, Ansible how to get output as variable without brackets and u, How to validate the variable value with regex in ansible, Ansible: Iteration fails while looping over output variable, Using variable lists in ansible returns undefined variable. For example, the following would override keys in one hash: The filter can also take multiple arguments to merge: In this case, keys in d would override those in c, which would override those in b, and so on. Let's say foo.txt contains the following. Ansible selectattr filter is to select matching objects from the dictionary by applying a test across all the objects in a dictionary/sequence. Ansible Lineinfile With Regexp Example: --- - hosts: localhost gather_facts: no tasks: - name: Ansible check directory. Required fields are marked *. Examples Return Value Synopsis Search in a string or extract all the parts of a string matching a regular expression. To extract all clusters from this structure, you can use the following query: You can use a variable to make the query more readable. This filter has migrated to the community.general collection. the same filter plugin name. Force the search to be case insensitive if True, case sensitive otherwise. This describes positional parameters of the filter. By default Ansible uses # to start a comment line and adds a blank comment line above and below your comment text. What is the syntax within the regex_search() to match against a variable? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Refresh the page, check Medium. Is a hot staple gun good enough for interior switch repair? Copyright Ansible project contributors. Personally I'd use something along the lines of. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? The best answers are voted up and rise to the top, Not the answer you're looking for? 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. To convert the XML output of a network device command into structured JSON This describes keyword parameters of the filter. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Dot product of vector with camera's local positive x-axis? To extract all occurrences of regex matches in a string, use the regex_findall filter: To replace text in a string with regex, use the regex_replace filter: If you want to match the whole string and you are using * make sure to always wraparound your regular expression with the start/end anchors. Here we mentioned in the regexp parameter as ^devops. Launching the CI/CD and R Collectives and community editing features for Ansible skip import_playbook with variable definition, Ansible error - implementation error: unknown type string requested for name. Not the answer you're looking for? These filters help you with common network tasks. Making statements based on opinion; back them up with references or personal experience. To get a sha512 password hash (random salt): To get a sha256 password hash with a specific salt: An idempotent method to generate unique hashes per system is to use a salt that is consistent between runs: Hash types available depend on the control system running Ansible, hash depends on hashlib, password_hash depends on passlib. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? For example ^(. Ansible Architecture-Ansible Architecture PPT. The filter also accepts two optional parameters: recursive and list_merge. Examples Return Value Synopsis Search in a string to extract the part that matches the regular expression. Attributes of XML tags can be extracted using XPath expressions. 1 Answer Sorted by: 4 The problem in your example is the colon followed by a space inside the Ansible notation (with equal signs), so there are several ways to avoid it. rev2023.3.1.43269. 0. Configuration entries for each entry type have a low to high priority order. This is untested BTW. Copyright Ansible project contributors. The individual components can be accessed by using the first and last filters: As of version 2.6, you can define the type of encoding to use, the default is utf-8: The string filter is only required for Python 2 and ensures that text to encode is a unicode string. Issue Tracker which is an XPath expression relative to the root node (
). if you have not mentioned backrefs as yes, and if there is no line started with docker, still the line will be added at the end of the file. ansible.builtin.regex_findall(key1=value1, 'Some DNS servers are 8.8.8.8 and 8.8.4.4', Protecting sensitive data with Ansible vault, Virtualization and Containerization Guides, Collections in the Cloudscale_ch Namespace, Collections in the Junipernetworks Namespace, Collections in the Netapp_eseries Namespace, Collections in the T_systems_mms Namespace, Controlling how Ansible behaves: precedence rules, ansible.builtin.regex_findall filter extract all regex matches from string. Though it works for one line - Is this ok [y/N]: y. Regex that I have used for both lines is Installed . If you configure Ansible to ignore undefined variables, you may want to define some values as mandatory. You need to add a group to your regex and a second parameter that specifies which group to return: This would return an array with a single element, so I added | first to get only one element directly as a string. plugin name Decide which function to be used to do the matching. A convenient way of requiring a variable to be overridden is to give it an undefined value using the undef keyword. This describes the input of the filter, the value before | ansible.builtin.regex_search. was trying to match this pattern (both lines) but my script fails. The value of top is the XPath relative to the XML root node. This documentation is now very good, but at the time I wrote this test repo, it had many confusing errors. This symbol represents the line starting with, if you want to know more different options you should learn python regexp. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. (.+)$', '\\1') }}_stg" The regexp above works correctly. Force the search to be case insensitive if True, case sensitive otherwise. ", # => "$2b$12$123456789012345678901uuJ4qFdej6xnWjOQT.FStqfdoY8dYUPC", src=dump_template_data.j2 dest=/some/key/vault.txt, src=dump_template_data.j2 dest=/some/key/clear.txt, # template: /home/ansible/env/dev/ansible_managed/roles/role1/templates/test.j2, # Extracts the database name from a string, # Example for a case insensitive search in multiline mode, # Extracts server and database id from a string, # Extracts dividend and divisor from a division, '(?P[0-9]+)/(?P[0-9]+)'. The number of distinct words in a sentence. In most cases, you can use the short and input is not ansible.builtin.regex (key1=value1, key2=value2, .). end_block directives to break the command into blocks that can be parsed. For example, this expression: Data before applying the subelements filter: Data after applying the subelements filter: You can use the transformed data with loop to iterate over the same subelement for multiple objects: The combine filter allows hashes to be merged. Thanks for contributing an answer to Stack Overflow! To learn more, see our tips on writing great answers. Raw regex_test.yml --- ## Example of use of filter regex_search - hosts: localhost Code: --- - name: Ansible playbook to use the find files on the Unix servers hosts: linuxservers tasks: - name: Search the file from the /tmp directories find: paths: /etc recurse: yes age: 1w size: 1k Server Fault is a question and answer site for system and network administrators. *') }}" however this is matching on Software Version and everything after that as well. How can I improve the regular expression to get only /var/lib/zookeeper ? The spec file above will return a JSON data structure that is a list of hashes