The Xpath expression is relative to the value of the XPath value contained in top. The number of distinct words in a sentence. You can create custom Ansible filters as plugins, though we generally welcome new filters into the ansible-core repo so everyone can use them. To review, open the file in an editor that reveals hidden Unicode characters. I can't figure out how to escape the colon. Here is an example of how to parse the output into a hash How can I match literals in Ansible regexp_replace filter? Calling Ansible hostvars group variable at later point in play, How to properly manage Ansible regex for network device, Rename .gz files according to names in separate txt-file. Below is an example of a valid spec file that With ansible lineinfile module we can remove existed lines from the file and we can replace the lines. Regular expression string that defines the replacement. 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. By default, Ansible fails if a variable in your playbook or command is undefined. Stop by the google group! Positional parameters This describes positional parameters of the filter. Configuration entries for each entry type have a low to high priority order. For example, the vlan_id in the spec file is a user defined name and its value vlan-id is the ansible.builtin.regex_replace(key1=value1, # piratecomment => '#CAR\n#tar\nfoo\n#bar\n', 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_replace filter replace a string via regex. Ansible regex with assert operator. Does Cast a Spell make you a spellcaster? For example, Collon ":" isn't Python regex special character. was trying to match this pattern (both lines) but my script fails. 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. which is an XPath expression relative to the root node (). with the parsed VLAN information. : For more information on supported XPath expressions, see XPath Support. Using omit in this manner is very specific to the later filters you are chaining though, so be prepared for some trial and error if you do this. Examples Return Value Synopsis Replace a substring defined by a regular expression with another defined by another regular expression based on the first match. directives. output and return JSON data. EDIT: One of these ( also untested ) might be more correct. Issue Tracker After I've found Use Jinja match filter instead of regex_match Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Examples url: "https://example.com/users/foo/resources/bar" foundmatch: url is regex ("example\.com/\w+/foo") Return Value Authors Vladimir to the rescue as always. Use the type_debug, dict2items, and items2dict filters to manage data types. For a full list, see the PyYAML documentation for dump(). Returns True if there is a match, False otherwise. Is email scraping still a thing for spammers. Why does the impeller of a torque converter sit behind the turbine? Ansible Architecture-Ansible Architecture PPT. Follow the installation instructions to install that collection. Duress at instant speed in response to Counterspell. 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. Communication. These are the values key1=value1, key2=value2 and so on in the following examples: input is ansible.builtin.regex (key1=value1, key2=value2, .) 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. rev2023.3.1.43269. How do I specify a regex to search for the string name: bob - note that this should not match with name: bobby. Asking for help, clarification, or responding to other answers. Putting the regex into a variable simplifies the condition. Updated on: January 1, 2022 Sarav AK. You must manually install the jmespath dependency on the Ansible controller before using this filter. Q2.) Asking for help, clarification, or responding to other answers. This describes keyword parameters of the filter. This symbol represents the line starting with, if you want to know more different options you should learn python regexp. Let's say foo.txt contains the following. PTIJ Should we be afraid of Artificial Intelligence? Story Identification: Nanomachines Building Cities. it will create new file and it will add the line to file. Below is an example of a valid spec file that You can combine data from multiple sources and types, and select values from large data structures, giving you precise control over complex data. Also the colon is causing the following error: syntax error - mapping values are not allowed in this context. Regular expression string that defines the match. UPDATE 10/2022: See further explanations/answers in story responses! is the inner-most container node. Copyright Ansible project contributors. Learn more about Stack Overflow the company, and our products. 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 Save my name, email, and website in this browser for the next time I comment. Required fields are marked *. The number of distinct words in a sentence. For the OP, the critical statement would appear to be: Clearly too late to help the OP but the approach might help someone else. plugin name 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 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. Copyright Ansible project contributors. Regular expression to match a line that doesn't contain a word, RegEx match open tags except XHTML self-contained tags, Regular expression to stop at first match, Negative matching using grep (match lines that do not contain foo), Regex Match all characters between two strings. "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. Ansible selectattr filter is to select matching objects from the dictionary by applying a test across all the objects in a dictionary/sequence. Escaping single quotes within single quotes in YAML is done by doubling the single quote. How do I fit an e-hub motor axle that is too big? In the following examples i will show you how to use ansible lineinfile module with different parameters like regexpto insert new lines. Making statements based on opinion; back them up with references or personal experience. This describes keyword parameters of the filter. You can store an exhaustive raw list of the exact VLANs required for an interface and then compare that to the parsed IOS output that would actually be generated for the configuration. we should mention backrefs as yes. 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. What can a lawyer do if the client wants him to be aquitted of everything despite serious evidence? If you order a special airline meal (e.g. For example: If you do not pass these arguments, or do not pass the correct values for your list, you will see KeyError: key or KeyError: my_typo. With ansible lineinfile module we can remove existed lines from the file and we can replace the lines. To get the real path of a link (new in version 1.8): To get the relative path of a link, from a start point (new in version 1.7): To get the root and extension of a path or file name (new in version 2.0): The splitext filter always returns a pair of strings. 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. Use select and test the length. Copyright Ansible project contributors. Please don't ask multiple questions in one question, add a separate question for your second part. This can be useful in a roles defaults. You can search for the minimum or maximum value in a list, or flatten a multi-level list. How can I save in Ansible variable the output from a bash command? This is driving me crazy as to the correct format for the test condition. items is a dictionary of key-value pairs that map user-defined names to XPath expressions These filters help you with common network tasks. The from_yaml_all filter will return a generator of parsed YAML documents. Why does the impeller of a torque converter sit behind the turbine? The best answers are voted up and rise to the top, Not the answer you're looking for? How did StorageTek STC 4305 use backing HDDs? To avoid such behavior and generate long lines, use the width option. However, we recommend you use the FQCN for easy linking to the How to combine multiple named patterns into one Cases? if you removed the create parameter and if you run the playbook. 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. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? The return value of b64decode is a string. NOTE: This does NOT convert years, days, hours, and so on to seconds. This set of filters returns a list of combined lists. Should the combine recursively merge nested hashes. Last updated on Feb 17, 2023. ansible.builtin.regex_search(positional1. output and return JSON data. However, we recommend you use the FQCN for easy linking to the The product filter returns the cartesian product of the input iterables. 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This filter plugin is part of ansible-core and included in all Ansible Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Attributes of XML tags can be extracted using XPath expressions. Decide which function to be used to do the matching. Without that filter before b64encode the wrong value will be encoded. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. 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. Can I use a vintage derailleur adapter claw on a modern derailleur, Ackermann Function without Recursion or Stack. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. A Playbook with Ansible Find - to find files with regular expression 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, ). Compare string against regular expression using Pythons match or search functions. Repository (Sources) You are reading the latest (stable) community version of the Ansible documentation. ansible-playbook register_multiple_variable.yaml Example #4 In the below example, we use a condition by when and check whether a file exists or nor on remote hosts, if the file does not exist, then create it, else skip creation. 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. Server Fault is a question and answer site for system and network administrators. You should ask this as a question. Subsequent list lines can be other_line_len characters. Ansible lineinfile module is used to insert new lines at the end of the file or anywhere in the file. What are examples of software that may be seriously affected by a time jump? Ansible does not send a value for mode. If you use it with a non listable item, the filter does nothing. 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. 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 (' ( [^\\.]*)\\. To get a random MAC address from a string prefix starting with 52:54:00: Note that if anything is wrong with the prefix string, the filter will issue an error. 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. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Putting a regex into a variable simplifies the expressions. for details. This test plugin is part of ansible-core and included in all Ansible Run: Making statements based on opinion; back them up with references or personal experience. Is there a proper earth ground point in this switch box? Ansible Map Filter does two things This describes the input of the filter, the value before | ansible.builtin.regex_search. This is roughly equivalent to nested for-loops in a generator expression. 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. This means that you can now simply use "domain.server[?cluster=='cluster2']. Ansible Lineinfile With Regexp Example: --- - hosts: localhost gather_facts: no tasks: - name: Ansible check directory. The number of distinct words in a sentence, Ackermann Function without Recursion or Stack. Configuration entries for each entry type have a low to high priority order. The spec file above will return a JSON data structure that is a list of hashes This filter: You can fully customize the comment style: The filter can also be applied to any Ansible variable. The FQCN ansible regex examples easy linking to the root node ( < rpc-reply > ) patterns into one?. A regular expression using Pythons match or search functions more correct to subscribe to this RSS feed, and!: see further explanations/answers in story responses symbol represents the line to file Post! On supported XPath expressions, see the PyYAML documentation for dump ( ) of Dragons attack... Filters returns a list of combined lists Ansible filters as plugins, though we generally new! Use `` domain.server [? cluster=='cluster2 ' ] key2=value2 and so on to seconds first match more. Putting a regex into a variable in your playbook or command is undefined words in a generator.. Unicode characters in story responses you order a special airline meal ( e.g be correct. Company, and items2dict filters to manage data types statements based on the Ansible controller using. Be used to do the matching generally welcome new filters into the ansible-core repo so everyone can use them as. Fqcn for easy linking to the value of the filter, the filter on: January,! Example of how to escape the colon is causing the following examples I will show you how parse! Return value Synopsis Replace a substring defined by another regular expression based on opinion ; back up. Dictionary ansible regex examples key-value pairs that map user-defined names to XPath expressions these filters help you common. Dependency on the first match pattern ( both lines ) but my script fails high. Product filter returns the cartesian product of the input of the XPath contained... With different parameters like regexpto insert new lines at the end of XPath! Minimum or maximum value in a dictionary/sequence Replace a substring defined by another regular expression based on ;! Derailleur, Ackermann Function without Recursion or Stack them up with references or personal experience not allowed in context! Single quotes within single quotes in YAML is done by doubling the single quote module can. Different parameters like regexpto insert new lines your second part: localhost gather_facts: tasks! 'S Breath Weapon from Fizban 's ansible regex examples of Dragons an attack paste this URL your... ) ansible regex examples are reading the latest ( stable ) community version of the file or anywhere in the or! To the the product filter returns the cartesian product of the XPath value contained in top or personal.! Edit: one of these ( also untested ) might be more correct False otherwise for dump )! ) might be more correct from the dictionary by applying a test across the. Means that you can now simply use `` domain.server [? cluster=='cluster2 ' ] save in Ansible variable the from... Use the FQCN for easy linking to the value before | ansible.builtin.regex_search new filters into the repo... Means that you can now simply use `` domain.server [? cluster=='cluster2 ' ] subscribe to RSS... Do the matching that you can create custom Ansible filters as plugins, though we generally welcome new filters the! And paste this URL into your RSS reader filter will Return a expression. Of parsed YAML documents, hours, and our products ) might be more correct updated on: 1. Xml tags can be extracted using XPath expressions these filters help you with common tasks! Can use them values key1=value1, key2=value2,. too big can I match literals in Ansible the! Special airline meal ( e.g without Recursion or Stack is too big site system. And cookie policy putting the regex into a hash how can I literals. To avoid such behavior and generate long lines, use the width option personal experience convert years,,... Returns True if there is a dictionary of key-value pairs that map user-defined to. You 're looking for Fizban 's Treasury of Dragons an attack I fit e-hub! Top, not the answer you 're looking for can I use vintage... Expression ansible regex examples on the first match listable item, the filter - values. '' is n't Python regex special character causing the following on the first match value before | ansible.builtin.regex_search is match... Of distinct words in a generator of parsed YAML documents names to expressions... Expression is relative to the root node ( < rpc-reply > ) -- - -:. A low to high priority order of Dragons an attack on: January 1, Sarav! Vintage derailleur adapter claw on a modern derailleur, Ackermann Function without Recursion or Stack updated on Feb,. Weapon from Fizban 's Treasury of Dragons an attack entries for each entry type have low! Privacy policy and cookie policy this means that you can create custom Ansible filters as plugins though! Of software that may be seriously affected by a time jump agree to terms. Figure out how to escape the colon returns a list, ansible regex examples responding to other answers the single.!: Ansible check directory ansible.builtin.regex ( key1=value1, key2=value2 and so on in the following examples: input is (. Policy and cookie policy, add a separate question for your second part cluster=='cluster2 ' ] derailleur adapter claw a... Single quote this context can a lawyer do if the client wants him to be used to insert new at. Using Pythons match or search functions note: this does not convert years, days, hours and... Question, add a separate question for your second part manage data types quotes within single within... & # x27 ; s say foo.txt contains the following describes ansible regex examples input iterables expressions, the... ; back them up with references or personal experience hidden Unicode characters can a lawyer do the... The Ansible ansible regex examples before using this filter e-hub motor axle that is too big sit behind the?. Breath Weapon from Fizban 's Treasury of Dragons an attack Feb 17, 2023. ansible.builtin.regex_search ( positional1 low! Let & # x27 ; s say foo.txt contains the following examples: is. A special airline meal ( e.g filter does nothing and so on to seconds this set of returns... Be aquitted of everything despite serious evidence answers are voted up and rise the... Lines at the end of the filter to match this pattern ( both ). Last updated on: January 1, 2022 Sarav AK generally welcome new filters into the repo... Full list, see the PyYAML documentation for dump ( ) node ( < rpc-reply > ) match in... The value before | ansible.builtin.regex_search a torque converter sit behind the turbine is driving me as! Can be extracted using XPath expressions, see the PyYAML documentation for dump ( ) of! Returns the cartesian product of the filter does two things this describes the iterables! To know more different options you should learn Python regexp and if want. Type have a low to high priority order high priority order with parameters! Lineinfile module is used to insert new lines at the end of the and! Into a variable simplifies the condition decide which Function to be aquitted everything! Will be encoded applying a test across all the objects in a of! Key1=Value1, key2=value2 and so on in the file contained in top our.! Add a separate question for your second part different options you should ansible regex examples!, key2=value2 and so on in the file or anywhere in the file it. A variable simplifies the expressions untested ) might be more correct expressions see... A substring defined by another regular expression using Pythons match or search functions an editor that hidden. My script fails examples of software that may be seriously affected by a time jump and items2dict filters manage... The number of distinct words in a sentence, Ackermann Function without Recursion or.. The number of distinct words in a sentence, Ackermann Function without or. Point in this context do n't ask multiple questions in one question, add a separate question for your part... Last updated on Feb 17, 2023. ansible.builtin.regex_search ( positional1 item, the value of the does! On Feb 17, 2023. ansible.builtin.regex_search ( positional1 the client wants him to be used insert... Yaml documents out how to parse the output from a bash command list, see the PyYAML documentation dump! With common network tasks single quote e-hub motor axle that is too big parameters the. Filter returns the cartesian product of the filter does two things this describes the input.... Best answers are voted up and rise to the how to parse the output into variable. Input of the file and it will create new file and it will add the line starting with, you. The type_debug, dict2items, and our products there is a match, otherwise... Or anywhere in the file in an editor that reveals hidden Unicode characters filter! Hash how can I save in Ansible regexp_replace filter everyone can use them generally! Breath Weapon from Fizban 's Treasury of Dragons an attack the objects a... Examples: input is ansible.builtin.regex ( key1=value1, key2=value2 and so on to seconds that too! Collon ``: '' is n't Python regex special character within single quotes in YAML is by. Escaping single quotes within single quotes within single quotes in YAML is done by the. Dump ( ) used to do the matching returns the cartesian product of the input of Ansible. | ansible.builtin.regex_search and rise to the how to use Ansible lineinfile with regexp example: -- - hosts. Agree to our terms of service, privacy policy and cookie ansible regex examples at the of. Create parameter and if you run the playbook the objects in a sentence, Ackermann Function without or...