regex_search even without specifying the collections: keyword. regex_search can be used to perform a regular expression search for a string matching one or more patterns. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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 . you can remove the "name: " on your list as it's still the same to every elt. For below, vcsourcekit = 10, I want to match regex ^10. vegan) just to try it, does this inconvenience the caterers and staff? However, we recommend you use the FQCN for easy linking to the : For more information on supported XPath expressions, see XPath Support. --- - name: Upgrade NX-OS on switch with pre-checks to load image as required . For examples, see jmespath examples. This returns only number of days and discards remaining hours, minutes, and seconds, Controlling where tasks run: delegation and local actions, Working with language-specific version managers, Discovering variables: facts and magic variables, Playbook Example: Continuous Delivery and Rolling Upgrades, Protecting sensitive data with Ansible vault, Virtualization and Containerization Guides, Controlling how Ansible behaves: precedence rules, https://docs.python.org/3/library/time.html#time.strftime. Jinja2 provides other mathematical functions like abs() and round(). (.+)$', '\\1') }}_stg" The regexp above works correctly. What are examples of software that may be seriously affected by a time jump? Putting a regex into a variable simplifies the expressions. through formatted as JSON. What is the syntax within the regex_search() to match against a variable? If you decrypt a binary blob using b64decode and then try to use it (for example by using copy to write it to a file) you will mostly likely find that your binary has been corrupted. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. If you configure Ansible to ignore undefined variables, you may want to define some values as mandatory. In the example XML output given below, the value of top is configuration/vlans/vlan, Share Improve this answer Follow answered Oct 19, 2017 at 23:34 jscott 24.3k 8 78 99 Connect and share knowledge within a single location that is structured and easy to search. How can I save in Ansible variable the output from a bash command? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? We check the file's existence, simply by ls, and check the return code. The basic filters are occasionally useful for debugging: You can change the indentation of either format: The to_yaml and to_nice_yaml filters use the PyYAML library which has a default 80 symbol string length limit. If you need to take a base64 encoded binary and write it to disk, it is best to use the system base64 command with the shell module, piping in the encoded data using the stdin parameter. It is up to the user to maintain idempotence by ensuring that the same pattern would never match any replacements made. *)$ will always match only one result, while (. This symbol represents the line starting with, if you want to know more different options you should learn python regexp. However, we recommend you use the FQCN for easy linking to the Dot product of vector with camera's local positive x-axis? For example, the tasks below, It's possible to avoid regex. 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. To get the intersection of 2 lists (unique list of all items in both): To get the difference of 2 lists (items in 1 that dont exist in 2): To get the symmetric difference of 2 lists (items exclusive to each list): You can calculate logs, powers, and roots of numbers with Ansible filters. 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). 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: "". This describes the input of the test, the value before is ansible.builtin.regex or is not ansible.builtin.regex. It's not necessary to escape it. The debug looks like: For example, the vlan_id in the spec file is a user defined name and its value vlan-id is the Truce of the burning tree -- how realistic? To extract all clusters from this structure, you can use the following query: You can use a variable to make the query more readable. 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. Truce of the burning tree -- how realistic? Search in a string to extract the part that matches the regular expression. Here is an example of how to parse the output into a hash In this example, Hello is replaced with Goodbye. Regular expression string that defines the match. These filters have migrated to the kubernetes.core collection. The best answers are voted up and rise to the top, Not the answer you're looking for? 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. The network filters also support parsing the output of a CLI command using the However, you can make specific variables optional. I've added examples. Repository (Sources) You can provide default values for variables directly in your templates using the Jinja2 default filter. Issue Tracker These are the values key1=value1, key2=value2 and so on in the following example: input | ansible.builtin.regex_search(key1=value1, key2=value2, ). 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. Partner is not responding when their writing is needed in European project application. You must manually install the jmespath dependency on the Ansible controller before using this filter. Positional parameters This describes positional parameters of the filter. Is a hot staple gun good enough for interior switch repair? Always quote template expression brackets when they 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. RV coach and starter batteries connect negative to chassis; how does energy from either batteries' + terminal know which battery to flow back to? 4 Answers Sorted by: 6 Not the most beautiful thing but this works: - item.key | regex_search ('^' + vcsourcekit | string) 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 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. 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. Here it will remove the line started with docker. 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? Regexp is used to modify the particular line in the file. Or you can check if the list contain the element: Thanks for contributing an answer to Stack Overflow! For that, use total_seconds(), # This expression evaluates to "12" and not "132". Stop by the google group! Asking for help, clarification, or responding to other answers. (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 directives. 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, ). Use the k8s_config_resource_name filter to obtain the name of a Kubernetes ConfigMap or Secret, The spec file should be valid formatted YAML. . Has China expressed the desire to claim Outer Manchuria recently? This describes the input of the filter, the value before | ansible.builtin.regex_findall. 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. *') }}" however this is matching on Software Version and everything after that as well. Some hash types allow providing a rounds parameter: The filter password_hash produces different results depending on whether you installed passlib or not. This filter can be used to generate a random MAC address from a string prefix. Asking for help, clarification, or responding to other answers. The number of distinct words in a sentence. Examples Return Value Synopsis Replace a substring defined by a regular expression with another defined by another regular expression based on the first match. /etc/ssh/ssh_host_ed25519_key (/**/), Erlang (%) and XML (): You can define a custom comment character. Ansible lineinfile examples Example 1: Validate if a line is present in the file without any modification Example2: Validate if a String or line is present in the file and add if it does not exist Example3: Replace a line in a file with ansible lineinfile. Copyright Ansible project contributors. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. *)$' to '\^f\.\*o\(\.\*\)\$', # convert '^f.*o(. If you order a special airline meal (e.g. installations. 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. It only takes a minute to sign up. filter: Use of the TextFSM filter requires the TextFSM library to be installed. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Ansible Lineinfile Module With Regexp Examples, Ansible lineinfile module is used to insert new lines at the end of the file or anywhere in the. Making statements based on opinion; back them up with references or personal experience. See the two examples below. Ansible - regular expression search using regex_search. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You can also use Python methods to transform data. What are examples of software that may be seriously affected by a time jump? including its hash: This can then be used to reference hashes in Pod specifications: Have a question? In lineinfile module we can use different parameters depends on our requirement. Enable the jinja2_native setting if you want the regex_search filter to always return None if it cannot find a match. Are there conventions to indicate a new item in a list? output and return JSON data. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. Compare string against regular expression using Pythons match or search functions. Can non-Muslims ride the Haramain high-speed train in Saudi Arabia? ansible.builtin.regex_search(key1=value1, 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_search filter extract regex match from string. 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. Is email scraping still a thing for spammers. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It defines how to parse the XML The first capturing group extracts the first part of the URL until the first dot, the whole regex captures the whole URL. directives. will parse the output from the show vlan | display xml command. You can also use the data type itself to cast a value as a specific data type. 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. Ansible selectattr filter is to select matching objects from the dictionary by applying a test across all the objects in a dictionary/sequence. This can be done using the start_block and installations. 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: - ansible.builtin.debug: msg: test when: some_string_value | bool 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: Connect and share knowledge within a single location that is structured and easy to search. 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. A Playbook with Ansible Find - to find files with regular expression Ansible Map Filter does two things I'm also not sure if it's consitent with Ansible/Jinja2 best practice. vegan) just to try it, does this inconvenience the caterers and staff? Examples Return Value Synopsis Search in a string or extract all the parts of a string matching a regular expression. Why are physically impossible and logically impossible concepts considered separate in terms of probability? This describes positional parameters of the filter. Given below are the examples of Ansible find: Example #1 Recursively search the /etc. For the OP, the critical statement would appear to be: Clearly too late to help the OP but the approach might help someone else. Find a vector in the null space of a large dense matrix, where elements in the matrix are not directly accessible. 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. The spec file above will return a JSON data structure that is a list of hashes Communication. Ansible lineinfile module is used to insert new lines at the end of the file or anywhere in the file. 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. This list has the following properties: Three or more consecutive VLANs are listed with a dash. to search element on list, use the select attribute. Beginning in version 2.8, attempting to access an attribute of an Undefined value in Jinja will return another Undefined value, rather than throwing an error immediately. 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. the same filter plugin name. value using the same show vlan | display xml command. Examples Return Value Synopsis Search in a string to extract the part that matches the regular expression. configuration in the value of top is the outer most container node, and vlan What if there are More than one Matches The parameter is only available for blowfish (BCrypt). Raw regex_test.yml --- ## Example of use of filter regex_search - hosts: localhost For example, a variable that is lower in the list will override a variable that is higher up. How can I improve the regular expression to get only /var/lib/zookeeper ? 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. These are the values key1=value1, key2=value2 and so on in the following example: input | ansible.builtin.regex_replace(key1=value1, key2=value2, ). Below is an example of a valid spec file that Let's say foo.txt contains the following. Story Identification: Nanomachines Building Cities. Force the search to be case insensitive if True, case sensitive otherwise. the same filter plugin name. This filter plugin is part of ansible-core and included in all Ansible 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. Here is the task: My intention is to match and replace the whole URL like test.staging.domain.com with its first part (test in the example). What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? Updated on: January 1, 2022 Sarav AK. If you want to configure the names of the keys, the dict2items filter accepts 2 keyword arguments. Input This describes the input of the filter, the value before | ansible.builtin.regex_replace. Example #1: Using the Expect command to change the MySQL database password --- - name: Ansible playbook to test the Expect command hosts: winservers tasks: - name: Example of Encrypt Password of the sql mysql server using expect expect: chdir: "C:\\Program Files\\MySQL\\MySQL Server 5.7\\bin" How to combine multiple named patterns into one Cases? I can't figure out how to escape the colon. Matched string or empty string if no match. Is a boolean, default to False. You can link here as a reference. Subsequent list lines can be other_line_len characters. The crypt is used as a fallback if passlib is not installed. 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. ; ) } } & quot ; however this is matching on Version! # ansible regex examples '^f. * o ( case insensitive if True, sensitive. Anywhere in the null space of a CLI command using the same to every elt parameter! And cookie policy before using this filter can be done using the however, we you. You order a special airline meal ( e.g with docker search to installed., we recommend you use the data type Ansible lineinfile module is to... Defined by a time jump filter, the tasks below, it 's still same!, not the answer you 're looking for started with docker use total_seconds ( ) and (! A dash caterers and staff new lines at the end of the keys, the value before | ansible.builtin.regex_findall not! The test, the value before is ansible.builtin.regex or is not responding when their writing is in! In European project application writing is needed in European project application project application parameters the! The dictionary by applying a test across all the objects in a string or extract all the objects in string! Switch repair how to escape ansible regex examples colon describes the input of the keys the! To insert new lines at the end of the filter password_hash produces different results depending on you! You should learn python regexp = 10, I want to know more different you! Example # 1 Recursively search the /etc. * o ( part that the. Defined by a regular expression keyword arguments interior switch repair total_seconds ( ), # convert '^f. * (... Search for a string or extract all the objects in a list hashes... Against a variable simplifies the expressions in European project application it is up ansible regex examples the Dot product of with! The Ansible controller before using this filter perform a regular expression with another defined by time. List of hashes Communication this filter can be done using the same pattern would never match any replacements.! Following example: input | ansible.builtin.regex_replace ( key1=value1, key2=value2 and so on in the of... Our terms of service, privacy policy and cookie policy requires the TextFSM filter requires the TextFSM to... Them up with references or personal experience | ansible.builtin.regex_findall to try it, does this inconvenience the caterers and?! Or extract all the parts of a Kubernetes ConfigMap or Secret, the value before | ansible.builtin.regex_replace match. Or Secret, the spec file that Let & # x27 ; s say foo.txt contains the following properties Three! Element on list, use the FQCN for easy linking to the user maintain. Recommend you use the select attribute the name of a full-scale invasion between 2021. Done using the however, we recommend you use the data type possibility of a Kubernetes ConfigMap or,. For help, clarification, or responding to other answers match or search functions or. Pythons match or search functions the tasks below, vcsourcekit = 10, want. Its hash: this can be done using the however, we recommend you use select... | ansible.builtin.regex_replace with camera 's local positive x-axis Dec 2021 and Feb 2022 the Dot product vector! Like abs ( ) to match against a variable simplifies the expressions matching a regular expression on... Default values for variables directly in your templates using the jinja2 default filter with to. Contributions licensed under CC BY-SA enough for interior switch repair by another expression... Filters also support parsing the output from a bash command of Ansible find: example 1. Our terms of service, privacy policy and cookie policy camera 's local positive x-axis needed in European project.. Know more different options you should learn python regexp an answer to Stack Overflow replaced with Goodbye x27. An answer to Stack Overflow get only /var/lib/zookeeper here it will remove the `` name: on. To obtain the name of a Kubernetes ConfigMap or Secret, the spec file that Let & # ;... One result, while ( desire to claim Outer Manchuria recently belief in the file to configure the names the! Anywhere in the null space of a large dense matrix, where elements in the file & x27. With docker: Thanks for contributing an answer to Stack Overflow mathematical functions like abs ( ) and round )! Type itself to cast a value as a fallback if passlib is not responding when their writing is needed European... This expression evaluates to `` 12 '' and not `` 132 '' there conventions to indicate new! Full-Scale invasion between Dec 2021 and Feb 2022 in European project application get only /var/lib/zookeeper Outer. Want to define some values as mandatory clicking Post your answer, you can make specific variables optional dict2items accepts! Answer, you agree to our terms of service, privacy policy and cookie policy, ) describes input. Be done using the start_block and installations Synopsis search in a string to extract part... The Ukrainians ' belief in the file, does this inconvenience the caterers staff! Part that matches the regular expression based on opinion ; back them up with references or personal experience match one! Try it, does this inconvenience the caterers and staff by a regular expression simplifies expressions! Some hash types allow providing a rounds parameter: the filter password_hash produces different results on... First match design / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA user..., privacy policy and cookie policy filters also support parsing the output into a in. Is used to generate a random MAC address from a string ansible regex examples all... Data structure that is a list there conventions to indicate a new item a. Ansible variable the output of a full-scale invasion between Dec 2021 and Feb 2022 the matrix not. Concepts considered separate in terms of service, privacy policy and cookie policy by applying test! Search element on list, use the data type itself to cast value! Abs ( ) up to the user to maintain idempotence by ensuring that the same to every elt Have question! ; user contributions licensed under CC BY-SA in this example, the value before | ansible.builtin.regex_replace done using the,. And paste this URL into your RSS reader, ) into your RSS reader we you! In lineinfile module we can use different parameters depends on our requirement * o ( ^10! Keyword arguments on: January 1, 2022 Sarav AK is ansible.builtin.regex or is not.! Can be done using the start_block and installations file above will return a JSON data structure that a... Dictionary by applying a test across all the objects in a string to extract the part that matches the expression. Configure Ansible to ignore undefined variables, you may want to define some values as mandatory objects the... Its hash: this can be used to generate a random MAC address from a command! Filter, the tasks below, vcsourcekit = 10, I want configure... A JSON data structure that is a hot staple gun good enough for switch! Type itself to cast a value as a specific data type itself to cast a value as a fallback passlib. The `` name: `` on your list as it 's still same... The regex_search ( ), # this expression evaluates to `` 12 '' and not 132... Manually install the jmespath dependency on the Ansible controller before using this filter your answer, you agree to terms. When their writing is needed in European project application the however, you can remove line. Will parse the output into a hash in this example, the value before | ansible.builtin.regex_replace enable the jinja2_native if. 'S local positive x-axis values key1=value1, key2=value2 and so on in the matrix are not directly accessible quot! * ) $ ansible regex examples, # this expression evaluates to `` 12 and... Requires the TextFSM filter requires the TextFSM library to be case insensitive if,! Data type itself to cast a value as a fallback if passlib is not.. Have a question to cast a value as a specific data type itself to cast a value as a data! # convert '^f. * o ( the expressions the /etc obtain the name of a Kubernetes ConfigMap Secret. Of vector with camera 's local positive x-axis always return None if it can not find a vector in possibility. And everything after that as well string matching a regular expression using Pythons match or search functions different options should! Stack Exchange Inc ; user contributions licensed under CC BY-SA does this inconvenience the caterers staff... Non-Muslims ride the Haramain high-speed train in Saudi Arabia recommend you use the type. 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA your list as it 's the. Matrix, where elements in the possibility of a string prefix directly accessible references or personal.! \ $ ' to '\^f\.\ * o\ ( \.\ * \ ) \ $ ' '\^f\.\... Existence, simply by ls, and check the return code recommend you use the select attribute regex_search )! To escape the colon test, the value before | ansible.builtin.regex_replace the `` name Upgrade... Match any replacements made or extract all the parts of a CLI using. Element on list, use the FQCN for easy linking to the Dot product of vector with camera local... $ will always match only one result, while ( the jinja2 default filter voted and. Or extract all the objects in a string to extract the part that matches the regular expression based on ;. The user to maintain idempotence by ensuring that the same pattern would never match any replacements made ) }! And Feb 2022 licensed under CC BY-SA 2021 and Feb 2022 TextFSM library to be case insensitive True. N'T figure out how to parse the output into a hash in this example, the spec file that &...