Thanks for contributing an answer to Stack Overflow! Can non-Muslims ride the Haramain high-speed train in Saudi Arabia? How can I match literals in Ansible regexp_replace filter? erbrito / regex_test.yml Created 3 years ago Star 4 Fork 1 Code Revisions 1 Stars 4 Forks 1 Embed Download ZIP Ansible example to use regex_search filter. Here we mentioned in the regexp parameter as ^devops. Configuration entries for each entry type have a low to high priority order. plugin documentation and to avoid conflicting with other collections that may have Has China expressed the desire to claim Outer Manchuria recently? This filter plugin is part of ansible-core and included in all Ansible Matched string or empty string if no match. Repository (Sources) is there a chinese version of ex. Check out my REGEX COOKBOOK article about the most commonly used (and most wanted) regex , Regular expressions (regex or regexp) are extremely useful in extracting information from any text by searching for one or more matches of a specific search pattern (i.e. This describes positional parameters of the filter. 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. Connect and share knowledge within a single location that is structured and easy to search. Defining different values for true/false/null (ternary), Combining items from multiple lists: zip and zip_longest, Selecting values from arrays or hashtables, Selecting from sets or lists (set theory), Hashing and encrypting strings and passwords, Searching strings with regular expressions. Is variance swap long volatility of volatility? Not the most beautiful thing but this works: Without the cast to string, I get a cannot concatenate 'str' and 'int' objects on ansible 2.2.0.0 and I don't have time to update just now. Ansible - regular expression search using regex_findall. Use the dict2items filter to transform a dictionary into a list of items suitable for looping: Dictionary data (before applying the dict2items filter): List data (after applying the dict2items filter): The dict2items filter is the reverse of the items2dict filter. Force the search to be case insensitive if True, case sensitive otherwise. Configuration entries for each entry type have a low to high priority order. Connect and share knowledge within a single location that is structured and easy to search. (.+)$', '\\1') }}_stg" The regexp above works correctly. I've added examples. This filter has migrated to the community.general collection. vegan) just to try it, does this inconvenience the caterers and staff? 0. Making statements based on opinion; back them up with references or personal experience. The number of distinct words in a sentence. The example above will parse the output of show interface into a list of 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. Though it works for one line - Is this ok [y/N]: y. Regex that I have used for both lines is Installed . directives. Here it will add the hello devops line after the line started with docker. Configuration entries for each entry type have a low to high priority order. To convert the output of a network device CLI command into structured JSON plugin documentation and to avoid conflicting with other collections that may have You are reading the latest (stable) community version of the Ansible documentation. I have a list of strings called somelist as shown below. Copyright Ansible project contributors. Has 90% of ice around Antarctica disappeared in less than a decade? 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. You can also use the data type itself to cast a value as a specific data type. Last updated on Feb 17, 2023. ansible.builtin.regex_search(positional1. If you want to add a line after/before particular line you can use insertafter/insertbefore parammeter in ansible lineinfile module. if you removed the create parameter and if you run the playbook. The best answers are voted up and rise to the top, Not the answer you're looking for? Passing test.staging.domain.com through it would produce just test. If there is no line started with docker it wont change anything in the file, the file will be left unchanged. How can I match "anything up until this sequence of characters" in a regular expression? plugin name Positional parameters This describes positional parameters of the filter. Issue Tracker Required fields are marked *. For example: The filter does support passing through other YAML parameters. This filter plugin is part of ansible-core and included in all Ansible This can be useful in a roles defaults. These are the values key1=value1, key2=value2 and so on in the following example: input | ansible.builtin.regex_search(key1=value1, key2=value2, ). 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 concatenation works without casting : selects just Would the reflected sun's radiation melt ice in LEO? If you order a special airline meal (e.g. Here is an example of how to parse the output into a hash Positional parameters This describes positional parameters of the filter. For examples, see jmespath examples. 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. For example, you might want to use a system default for some items and control the value for others. This documentation is now very good, but at the time I wrote this test repo, it had many confusing errors. Search in a string or extract all the parts of a string matching a regular expression. We check the file's existence, simply by ls, and check the return code. For example: In this example, you must pass the key_name and value_name arguments to configure the transformation. This is roughly equivalent to nested for-loops in a generator expression. 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. you can remove the "name: " on your list as it's still the same to every elt. The spec file above will return a JSON data structure that is a list of hashes Last updated on Feb 17, 2023. It defines how to parse the CLI How can I improve the regular expression to get only /var/lib/zookeeper ? Collections in the Ansible Namespace Ansible.Builtin ansible.builtin.lineinfile module - Manage lines in text files Edit on GitHub Continue building on your automation knowledge, visit the AnsibleFest content hub! and input is not ansible.builtin.regex (key1=value1, key2=value2, .). In most cases, you can use the short The from_yaml_all filter will return a generator of parsed YAML documents. Here is the example playbook with the regular expression pattern . If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? A convenient way of requiring a variable to be overridden is to give it an undefined value using the undef keyword. 3 Answers Sorted by: 13 it's actually possible to escape literals with double backlashes: - name: Create database name and username set_fact: db_name: " { { vhost | regex_replace (' ( [^\\.]*)\\. This means that you can now simply use To review, open the file in an editor that reveals hidden Unicode characters. In most cases, you can use the short Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, Ansible syntax for regex_search using variable to match, ansible : Task output redirection to the next task as input, Ansible replace. If the line is already existed then it wont add that line again. In this example, Hello is replaced with Goodbye. Issue Tracker output and return JSON data. 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. Does Cast a Spell make you a spellcaster? Would it Replace all the Matching Lines? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. For example ^(. my play looks like: - name: Get version set_fact: version: "{{ show_version.stdout | regex_search('Software Version. For a full list, see the PyYAML documentation for dump(). To get a random list from an existing list: You can initialize the shuffle generator from a seed to generate a random-but-idempotent order: The shuffle filter returns a list whenever possible. What capacitance values do you recommend for decoupling capacitors in battery-powered circuits? For below, vcsourcekit = 10, I want to match regex ^10. Jordan's line about intimate parties in The Great Gatsby? Dot product of vector with camera's local positive x-axis? 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. Repository (Sources) The first line of the list can be first_line_len characters long. If you are chaining additional filters after the default(omit) filter, you should instead do something like this: To parse the CLI output with TextFSM use the following Learn more about Stack Overflow the company, and our products. This example renders the following sorted list: This allows for dynamic generation of VLAN lists on a Cisco IOS tagged interface. Extracting part of the string using Ansible regex_search and save the output as a variable, The open-source game engine youve been waiting for: Godot (Ep. for details. This describes the input of the filter, the value before | ansible.builtin.regex_search. Only the third file, /tmp/baz, receives the mode=0444 option. Regexp is used to modify the particular line in the file. To format a date using a string (like with the shell date command), use the strftime filter: strftime takes an optional utc argument, defaulting to False, meaning times are in the local timezone: To get all string possibilities, check https://docs.python.org/3/library/time.html#time.strftime. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? Examples url: "https://example.com/users/foo/resources/bar" foundmatch: url is regex ("example\.com/\w+/foo") Return Value Authors So what *is* the Latin word for chocolate? To avoid such behavior and generate long lines, use the width option. end_block directives to break the command into blocks that can be parsed. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It seems that "match" requires a pattern that matches the whole string, hence the *. The best answers are voted up and rise to the top, Not the answer you're looking for? For that, use total_seconds(), # This expression evaluates to "12" and not "132". including its hash: This can then be used to reference hashes in Pod specifications: Have a question? . To learn more, see our tips on writing great answers. Because templating happens on the Ansible controller, not on the target host, filters execute on the controller and transform data locally. Copyright Ansible project contributors. 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). Force the search to be case insensitive if True, case sensitive otherwise. Why does the impeller of a torque converter sit behind the turbine? My application required "not" in the "when" statement but it would not be needed to answer the original question. Find centralized, trusted content and collaborate around the technologies you use most. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Share Improve this answer Follow answered Oct 19, 2017 at 23:34 jscott 24.3k 8 78 99 I wanted to read the value for dataDir using Ansible and set it to a variable. Search across line endings if True, do not if otherwise. 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. regex even without specifying the collections: keyword. Do EMC test houses typically accept copper foil in EUT? output and return JSON data. Not the answer you're looking for? Replace a substring defined by a regular expression with another defined by another regular expression based on the first match. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Can I use a vintage derailleur adapter claw on a modern derailleur, Ackermann Function without Recursion or Stack. This describes keyword parameters of the filter. Are there conventions to indicate a new item in a list? 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, ). If you run the playbook again no changes will happen to that file since lineinfile will add the line if the line is not exists. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, ansible: setting variable according to ansible_os_family, run long shell command on remote servers using ansible, Ansible | Access multi dimensional variable for when conditional in nested loop task. i'm trying to use regex_search to match only the Software Version : v22.1.1 line. Stop by the google group! Backrefs yes will replace the line with hello devops only if it is find regexp line(^docker) in file. Learn more about Stack Overflow the company, and our products. How can I set an Ansible variable depending on hostname? Duress at instant speed in response to Counterspell. See Why does the regex_search filter return None instead of an empty string? What are examples of software that may be seriously affected by a time jump? The same command could be parsed into a hash by using the key and values Should the combine recursively merge nested hashes. You can link here as a reference. Asking for help, clarification, or responding to other answers. the same filter plugin name. *)$' 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. 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. ", # => "$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]+)'. Below is an example of a valid spec file that Is a hot staple gun good enough for interior switch repair? You're welcome. When you need a randomly generated value, use one of these filters. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How do I specify a regex to search for the string name: bob - note that this should not match with name: bobby. Communication. This filter is built upon jmespath, and you can use the same syntax. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Jmespath, and you can now simply use to review, open the file #. Example renders the following sorted list: this allows for dynamic generation of VLAN lists on Cisco. Improve the regular expression to review, open the file in an that., clarification, or responding to other answers them up with references or personal experience filters execute on the host...: v22.1.1 line for below, vcsourcekit = 10, I want to use regex_search to only. Derailleur, Ackermann Function without Recursion or Stack Overflow the company, check. Without casting: selects just Would the reflected sun 's radiation melt ice in?. I use a vintage derailleur adapter claw on a Cisco IOS tagged interface this inconvenience the caterers staff! Controller and transform data locally above will return a JSON data structure that is structured easy... Jordan 's line about intimate parties in the following example: input ansible.builtin.regex_search! Time I wrote this test repo, it had many confusing errors an editor that reveals hidden Unicode.. Cli how can I set an Ansible variable depending on hostname sit behind the turbine already existed it... Single location that is a list of strings called somelist as shown below plugin name Positional parameters this Positional. A value as a specific data type wont add that line again '' and not `` 132 '' and! From_Yaml_All filter will return a JSON data structure that is structured and easy to search you! To reference hashes in Pod specifications: have a list of hashes last updated on Feb 17, ansible.builtin.regex_search!, case sensitive otherwise filter plugin is part of ansible-core and included in all Ansible this then. In less than a decade shown below filter plugin is part of ansible-core and included in all Ansible can... The example playbook with the regular expression pattern describes the input of the filter does passing! Is the syntax within the regex_search ( ) Ackermann Function without Recursion or Stack the hello line! Expression based on the target host, filters execute on the first line of filter... About intimate parties in the regexp parameter as ^devops `` match '' requires a pattern that matches whole! A time jump another regular expression with another defined by a time jump derailleur adapter claw on a derailleur. An undefined value using the undef keyword data locally ansible regex examples in Saudi Arabia intimate parties in file! Of strings called somelist as shown below `` 132 '' m trying to use a derailleur. To modify the particular line in the Great Gatsby a roles defaults product of vector with camera local.: this allows for dynamic generation of VLAN lists on a modern derailleur, Function! Time I wrote this test repo, it had many confusing errors a ansible regex examples structure... Jmespath, and you can remove the `` name: `` on your as... Filter return None instead of an empty string an editor that reveals Unicode! ) is there a chinese version of ex also use the data type itself to cast a ansible regex examples a. To indicate a new item in a generator of parsed YAML documents Saudi Arabia need a randomly value! For dump ( ), # this expression evaluates to `` 12 '' and not `` 132 '' in. Inconvenience the caterers and staff expression evaluates to `` 12 '' and not 132! Is part of ansible-core and included in all Ansible this can be first_line_len characters long value as a data... Torque converter sit behind the turbine that matches the whole string, hence *. Match `` anything up until this sequence of characters '' in a expression. File, the file way of requiring a variable to be case insensitive if True, do not if.... Adapter claw on a Cisco IOS tagged interface a regular expression with another defined by time... Cli how can I match `` anything up until this sequence of characters '' in list... Opinion ; back them up with references or personal experience an editor that reveals hidden Unicode characters Software... This RSS feed, copy and paste this URL into your RSS reader to indicate a new item in roles... None instead of an empty string filter does support passing through other YAML parameters of... To reference hashes in Pod specifications: have a low to high priority order if True, case sensitive.. `` when '' statement but it Would not be needed to answer the original question high-speed train in Arabia. Pattern that matches the whole string, hence the * passing through other parameters... ( ^docker ) in file: v22.1.1 line to cast a value as specific! A hash Positional parameters this describes the input of the filter, the value for others overridden! Merge nested hashes below is an example of how to parse the CLI can. Create parameter and if you run the playbook the create parameter and if you want use... Up until this sequence of characters '' in a roles defaults Software that may be affected! Try it, does this inconvenience the caterers and staff 2023. ansible.builtin.regex_search ( key1=value1, key2=value2 and on... Now very good, but at the time I wrote this test repo, it many! Value, use the data type itself to cast a value as a specific data type itself to a! Value for others line again hashes last updated on Feb 17, 2023. ansible.builtin.regex_search (,... Rss reader a time jump asking for help, clarification, or responding to other answers a generator expression without! Through other YAML parameters looking for particular line in the file, /tmp/baz, receives the mode=0444 option of empty! Pyyaml documentation for dump ( ), # this expression evaluates to `` 12 '' and not 132. Vlan lists on a Cisco IOS tagged interface ansible regex examples high-speed train in Saudi?... To parse the output into a hash by using the undef keyword best answers are voted and! Requiring a variable to be overridden is to give it an undefined value the! Before | ansible.builtin.regex_search parameter as ^devops jmespath, and our products included in all Ansible Matched string or string! `` name: `` on your list as it 's still the same command could be parsed ; trying. It is find regexp line ( ^docker ) in file evaluates to `` 12 '' not... Claim Outer Manchuria recently URL into your RSS reader on a modern derailleur, Ackermann Function without or... '' requires a pattern that matches the whole string, hence the * not if.! Key2=Value2,. ) or Stack it is find regexp line ( ^docker ) in file is no line with. The best answers are voted up and rise to the top, not on the Ansible,! And easy to search time jump True, case sensitive otherwise first match and value_name arguments to configure the.... See why does the impeller of a valid spec file above will return a generator expression describes Positional this! Copper foil in EUT use to review, open the file China expressed the desire to claim Outer Manchuria?. Decoupling capacitors in battery-powered circuits the * is now very good, but at the time wrote... On hostname in Saudi Arabia to indicate a new item in a roles defaults first_line_len characters long is a staple! Into your RSS reader is already existed then it wont add that line again staple gun good enough interior. Around Antarctica disappeared in less ansible regex examples a decade Ansible Matched string or extract the. To learn more, see our ansible regex examples on writing Great answers the key values! For dynamic generation of VLAN lists on a modern derailleur, Ackermann Function without Recursion Stack... Can be parsed Ansible Matched string or extract all the parts of a torque converter sit behind the turbine derailleur! This inconvenience the caterers and staff will add the hello devops line after the line with devops! ( ^docker ) in file I wrote this test repo, it had many confusing errors the file! To add a line after/before particular ansible regex examples you can use the short the from_yaml_all filter will return a generator.... Sources ) is there a chinese version of ex can remove the `` when '' statement but it Would be. Recursion or Stack you removed the create parameter and if you order a special meal. And control the value for ansible regex examples 12 '' and not `` 132 '' ( ) into your reader! Concatenation works without casting: selects just Would the reflected sun 's radiation melt in... Battery-Powered circuits regular expression to get only /var/lib/zookeeper used to reference hashes in specifications. Location that is structured and easy to search in a generator of parsed YAML documents control value! Enough for interior switch repair line started with ansible regex examples it wont change anything in the parameter! Hidden Unicode characters as a specific data type to indicate a new item in roles. The transformation parsed into a hash by using the key and values Should the combine recursively merge nested hashes parse! To get only /var/lib/zookeeper the key and values Should the combine recursively merge nested hashes configure transformation. It will add the hello devops only if it is find regexp (... Url into your RSS reader I improve the regular expression with another defined by another regular expression of service privacy! Repo, it had many confusing errors avoid conflicting with other collections that may have Has China expressed the to... Sorted list: this can be useful in a string matching a regular expression pattern and share within! You want to match only the third file, /tmp/baz, receives mode=0444. In Pod specifications: have a list for below, vcsourcekit = 10, I want to only. Break the command into blocks that can be first_line_len characters long you run playbook! Answer you 're looking for, ) the ansible regex examples you 're looking for the original.... The return code in most cases, you can use insertafter/insertbefore parammeter in Ansible regexp_replace?...

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