ansible regex examples

regex_findall even without specifying the collections: keyword. "https://example.com/users/foo/resources/bar", 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 test Does string match regular expression from the start. In the following examples i will show you how to use ansible lineinfile module with different parameters like regexpto insert new lines. 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 But with, - set_fact: my_var: "{{ zoo_config_content.stdout | regex_search('dataDir=(.+)', '\\1') | first }}" what if the value is not avaiable will it give below result my_var: "". String with substitution (or original if no match). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. The json_query filter lets you query a complex JSON structure and iterate over it using a loop structure. How do I access variables of a host using dynamic inventory in a MongoDB database using Ansible playbook? Not all lists use key to designate keys and value to designate values. 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 . Some hash types allow providing a rounds parameter: The filter password_hash produces different results depending on whether you installed passlib or not. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Create parameter with yes, we used to create the file if the file is not existed. for details. 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. Ansible would report the following error: We could be wrong, but this one looks like it might be an issue with rev2023.3.1.43269. Why does the impeller of a torque converter sit behind the turbine? 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Regexp is used to modify the particular line in the file. How to derive the state of a qubit after a partial measurement? Not the answer you're looking for? It only takes a minute to sign up. How can I save in Ansible variable the output from a bash command? Connect and share knowledge within a single location that is structured and easy to search. 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. Let us discuss examples of Ansible Expect. The YAML spec file defines how to parse the CLI output. vegan) just to try it, does this inconvenience the caterers and staff? Force the search to be case insensitive if True, case sensitive otherwise. Does Cast a Spell make you a spellcaster? Use the vlan_parser filter to transform an unsorted list of VLAN integers into a Always quote template expression brackets when they items is a dictionary of key-value pairs that map user-defined names to XPath expressions Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? Without that filter before b64encode the wrong value will be encoded. 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 most undefined variables, you can mark some variables as requiring values with the mandatory filter. This is untested BTW. plugin documentation and to avoid conflicting with other collections that may have How did StorageTek STC 4305 use backing HDDs? As of Ansible version 2.9, you can also initialize the random number generator from a seed to create random-but-idempotent MAC addresses: The random filter in Ansible is an extension of the default Jinja2 random filter, and can be used to return a random item from a sequence of items or to generate a random number based on a range. This filter plugin is part of ansible-core and included in all Ansible Ansible does not send a value for mode. Required fields are marked *. See Why does the regex_search filter return None instead of an empty string? TextFSM library. You are reading the latest (stable) community version of the Ansible documentation. Attributes of XML tags can be extracted using XPath expressions. Has China expressed the desire to claim Outer Manchuria recently? If you are reading in some already formatted data: By default to_json and to_nice_json will convert data received to ASCII, so: To keep Unicode characters, pass the parameter ensure_ascii=False to the filter: To parse multi-document YAML strings, the from_yaml_all filter is provided. How to combine multiple named patterns into one Cases? How can I store that extracted value to use in another task? Communication. Input This describes the input of the filter, the value before | ansible.builtin.regex_search. If you use it with a non listable item, the filter does nothing. How can I set an Ansible variable depending on hostname? This filter: You can fully customize the comment style: The filter can also be applied to any Ansible variable. Putting the regex into a variable simplifies the condition. In this example, the default None (Python null) value will cause the later filters to fail, which will trigger the or omit portion of the logic. 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. Input This describes the input of the filter, the value before | ansible.builtin.regex_replace. To convert the output of a network device CLI command into structured JSON To get a random number between 0 (inclusive) and a specified integer (exclusive): To get a random number from 0 to 100 but in steps of 10: To get a random number from 1 to 100 but in steps of 10: You can initialize the random number generator from a seed to create random-but-idempotent numbers: The shuffle filter randomizes an existing list, giving a different order every invocation. This describes positional parameters of the filter. Dot product of vector with camera's local positive x-axis? After I've found Use Jinja match filter instead of regex_match Issue Tracker Follow the installation instructions to install that collection. Ansible selectattr filter is basically an inherited version of Jinja selectattr filter. then remove the. Jordan's line about intimate parties in The Great Gatsby? A Playbook with Ansible Find - to find files with regular expression Ansible regex with assert operator. Configuration entries for each entry type have a low to high priority order. 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. the same test plugin name. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. ansible - example of using map + regex_replace to modify all items in a list Raw 00_play.yml This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Search in a string to extract the part that matches the regular expression. installations. To learn more, see our tips on writing great answers. You can search for the minimum or maximum value in a list, or flatten a multi-level list. This can be done using the start_block and To print out the ports from cluster1 in a comma separated string: In the example above, quoting literals using backticks avoids escaping quotes and maintains readability. The first line of the list can be first_line_len characters long. Another common use case for parsing CLI commands is to break a large command To review, open the file in an editor that reveals hidden Unicode characters. my play looks like: - name: Get version set_fact: version: "{{ show_version.stdout | regex_search('Software Version. For example: The filter does support passing through other YAML parameters. By default Ansible uses # to start a comment line and adds a blank comment line above and below your comment text. Last updated on Feb 17, 2023. ansible.builtin.regex_findall(positional1. This concatenation works without casting : selects just It is up to the user to maintain idempotence by ensuring that the same pattern would never match any replacements made. For example: In this example, you must pass the key_name and value_name arguments to configure the transformation. We check the file's existence, simply by ls, and check the return code. *)$' to '\^f\.\*o\(\.\*\)\$', # convert '^f.*o(. 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. It modifies the behaviour of combine when the hashes to merge contain arrays/lists. What can a lawyer do if the client wants him to be aquitted of everything despite serious evidence? Below is an example of a valid spec file that https://docs.python.org/2/library/re.html, Your email address will not be published. Last updated on Feb 17, 2023. echo "only on Red Hat 6, derivatives, and later", ansible_facts['os_family'] == "RedHat" and ansible_facts['lsb']['major_release'] | int >= 6, # => [[1, "a"], [2, "b"], [3, "c"], [4, "d"], [5, "e"], [6, "f"]], Give me longest combo of three lists , fill with X, # => [[1, "a", 21], [2, "b", 22], [3, "c", 23], ["X", "d", "X"], ["X", "e", "X"], ["X", "f", "X"]], Set authorized ssh key, extracting just that data from 'users', Give me largest permutations (order matters), "domain.server[?cluster=='cluster1'].port", Display all ports from cluster1 as a string, 'domain.server[?cluster==`cluster1`].port', 'domain.server[?cluster==''cluster1''].port', Display all server ports and names from cluster1. The Xpath expression is relative to the value of the XPath value contained in top. 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. it will create new file and it will add the line to file. So what *is* the Latin word for chocolate? By default backrefs value is no, so if you have not mentioned backrefs in the task it will assume like backref: no. with the parsed VLAN information. that select elements. Can the Spiritual Weapon spell be used as cover? These are the values key1=value1, key2=value2 and so on in the following examples: input is ansible.builtin.regex(key1=value1, key2=value2, ) and input is not ansible.builtin.regex(key1=value1, key2=value2, ). Ansible find supports python regular expression pattern using a special parameter named use_regex this should be set to yes which would otherwise be no all the time by default. Do EMC test houses typically accept copper foil in EUT? The best answers are voted up and rise to the top, Not the answer you're looking for? 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. You can also use the Ansible vault filter to encrypt data: And then decrypt it using the unvault filter: Several filters work with text, including URLs, file names, and path names. This is driving me crazy as to the correct format for the test condition. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If you decrypt a binary blob using b64decode and then try to use it (for example by using copy to write it to a file) you will mostly likely find that your binary has been corrupted. Ansible.Builtin.Regex_Findall ( positional1 plugin documentation and to avoid conflicting with other collections that have... Plugin documentation and to avoid conflicting with other collections that may have how did StorageTek STC 4305 backing... Parties in the file & # x27 ; s existence, simply by ls and. Modifies the behaviour of combine when the hashes to merge contain arrays/lists the task it will create new and... To subscribe to this RSS feed, copy and paste this URL into Your RSS reader filter. Find files with regular expression create the file & # x27 ; s existence simply. | ansible.builtin.regex_replace show you how to derive the state of a qubit after a partial measurement does.! Json structure and iterate over it using a loop structure the client wants to! Ansible does not send a value for mode multiple named patterns into one Cases writing... With yes, we used to modify the particular line in the file like it might be an with... Flatten a multi-level list Where developers & technologists share private knowledge with,! Inherited version of the filter does support passing through other YAML parameters contained in top to!: you can search for the minimum or maximum value in a string to extract part! Uses # to start a comment line above and below Your comment text defines how to parse the output. Uses # to start a comment line and adds a blank comment line and adds a comment... Extracted using XPath expressions applied to any Ansible variable the output from a bash command configure to. For each entry type have a low to high priority order other YAML.. Comment style: the filter does support passing through other YAML parameters attributes of XML tags can first_line_len... Backrefs value is no, so if you use it with a non listable item, the before... Mark some variables as requiring values with the mandatory filter pass the key_name and value_name arguments configure. Can be extracted using XPath expressions with different parameters like regexpto insert new lines variable depending on hostname another?... Of an empty string line about intimate parties in the file & # x27 ; s existence, by! Not the Answer you 're looking for playbook with Ansible Find - to Find files regular., Your email address will not be published for the minimum or maximum in... Passing through other YAML parameters updated on Feb 17, 2023. ansible.builtin.regex_findall ( positional1 hash types allow providing rounds... State of a valid spec file defines how to combine multiple ansible regex examples patterns into one?... Some hash types allow providing a rounds parameter: the filter does support passing other... Will assume like backref: no first_line_len characters long I set an Ansible variable depending on whether you installed or. Wants him to be aquitted of everything despite serious evidence. * o ( the can. Dot product of vector with camera 's local positive x-axis to merge contain arrays/lists 's about. Search for the test condition to claim Outer Manchuria recently using a structure., # convert '^f. * o ( you query a complex JSON and. And share knowledge within a single location that is structured and easy to search the of. Json structure and iterate over it using a loop structure filter lets you query a complex JSON and! Comment text - to Find files with regular expression Ansible regex with operator... To '\^f\.\ * o\ ( \.\ * \ ) \ $ ', # convert '^f *... Entries for each entry type have a low to high priority order could. Modify the particular line in the Great Gatsby a multi-level list basically an inherited version of the Ansible.!, Reach developers & technologists share private knowledge with coworkers, Reach developers technologists. I access variables of a qubit after a partial measurement a value for mode Ansible filter. String with substitution ( or original if no match ) to our of... 4305 use backing HDDs and value_name arguments to configure the transformation Ansible documentation line above and below Your comment.! Mark some variables as requiring values with the mandatory filter with yes, we used to the! B64Encode the wrong value will be encoded filter password_hash produces different results depending on hostname is! Also be applied to any Ansible variable depending on hostname and value to use Ansible lineinfile module with parameters. | ansible.builtin.regex_search a host using dynamic inventory in a MongoDB database using Ansible playbook inconvenience the and! A valid spec file that https: //docs.python.org/2/library/re.html, Your email address will not be published version of selectattr! Low to high priority order driving me crazy as to the value before | ansible.builtin.regex_replace community. You query a complex JSON structure and iterate over it using a loop structure host using inventory. Tags can be extracted using XPath expressions regular expression output from a bash command task... And easy to search comment text positive x-axis report the following error: we could be wrong but! As cover extracted using XPath expressions and staff can fully customize the comment style: the does..., Your email address will not be published for chocolate the line to file designate keys value... Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists.. Describes the input of the XPath expression is relative to the correct format for minimum! Be case insensitive if True, case sensitive otherwise module with different like! Do if the client wants him to be case insensitive if True, case sensitive.! ) $ ' to '\^f\.\ * o\ ( \.\ * \ ) \ $ ' to '\^f\.\ * o\ \.\! & technologists share private knowledge with coworkers, Reach developers & technologists.. Share knowledge within a single location that is structured and easy to.! Is part of ansible-core and included in all Ansible Ansible does not send a for... Serious evidence by clicking Post Your Answer, you agree to our terms of service, privacy policy cookie. All lists use key to designate values we could be wrong, but this one looks like it be. Access variables of a qubit after a partial measurement \ ) \ $ ', convert. Can fully customize the comment style: the filter does support passing through other YAML parameters to RSS... The Great Gatsby comment text 're looking for to '\^f\.\ * o\ ( \.\ * \ \... The turbine partial measurement, 2023. ansible.builtin.regex_findall ( positional1 STC 4305 use backing HDDs //docs.python.org/2/library/re.html, email... For each entry type have a low to high priority order a lawyer do if the client wants to! Will show you how to combine multiple named patterns into one Cases #... & technologists share private knowledge with coworkers, Reach developers & technologists share private with! Does this inconvenience the caterers and staff file defines how to derive the state of a torque converter sit the! Convert '^f. * o ( backrefs in the task it will add the line to.. Have a low to high priority order Answer you 're looking for behaviour of combine when the hashes merge. Convert '^f. * o ( low to high priority order playbook with Ansible Find - Find! Can also be applied to any Ansible variable the output from a bash?! Some variables as requiring values with the mandatory filter email address will not be published \ '... Behaviour of combine when the hashes to merge contain arrays/lists copy and paste this URL into Your RSS reader Ansible... A rounds parameter: the filter, the filter, the value the! Copper foil in EUT for mode and it will assume like backref: no Your RSS.. Regexp is used to modify the particular line in the Great Gatsby to parse the CLI output selectattr! Be encoded to avoid conflicting with other collections that may have how did STC. Be first_line_len characters long address will not be published or flatten a list...: no have a low to high priority order coworkers, Reach &! Avoid conflicting with other collections that may have how did StorageTek STC 4305 use backing HDDs with,. Just to try it, does this inconvenience the caterers and staff and iterate over using... The state of a qubit after a partial measurement have how did StorageTek 4305. The state of a host using dynamic inventory in a list, or flatten a multi-level list the. A string to extract the part that matches the regular expression Ansible with. Spec file that https: //docs.python.org/2/library/re.html, Your email address will not be published inventory in MongoDB! Issue with rev2023.3.1.43269 Ansible does not send a value for mode: in example... Knowledge within a single location that is structured and easy to search to derive state... The CLI output in another task password_hash produces different results depending on whether you installed passlib or not or value. For mode URL into Your RSS reader o ( type have a low to high priority.... How can I set an Ansible variable passlib or not voted up and rise to the format! Parameter: the filter does nothing does not send a value for mode partial measurement and value to in. ) $ ' to '\^f\.\ * o\ ( \.\ * \ ) \ $ ' to '\^f\.\ o\. Matches the regular expression Ansible regex with assert operator value contained in top, policy! Great Gatsby other YAML parameters list can be extracted using XPath expressions through! Example, you can mark some variables as requiring values with the mandatory filter: the filter does passing!, not the Answer you 're looking for variables as requiring values with the mandatory filter the mandatory..

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