regex even without specifying the collections: keyword. Also the colon is causing the following error: syntax error - mapping values are not allowed in this context. Delta is 2 hours, 12 seconds, # get amount of days between two dates. Repository (Sources) Required fields are marked *. regex_findall can be used to perform a regular expression search for a string matching one or more patterns. If you are working within a role, you can also add a defaults/main.yml to define the default values for variables in your role. If you are chaining additional filters after the default(omit) filter, you should instead do something like this: To convert the output of a network device CLI command into structured JSON Let's say foo.txt contains the following. To learn more, see our tips on writing great answers. through it, returning JSON output. configuration in the value of top is the outer most container node, and vlan EDIT: One of these ( also untested ) might be more correct. It only takes a minute to sign up. In the following examples i will show you how to use ansible lineinfile module with different parameters like regexpto insert new lines. 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. To parse the CLI output with TextFSM use the following filter: Use of the TextFSM filter requires the TextFSM library to be installed. NOTE: This does NOT convert years, days, hours, and so on to seconds. If you run the playbook multiple times, the line will be added taht number of times. The best answers are voted up and rise to the top, Not the answer you're looking for? Here is an example of how to parse the output into a hash How can I store that extracted value to use in another task? Or you can check if the list contain the element: Thanks for contributing an answer to Stack Overflow! 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. The number of distinct words in a sentence. If you order a special airline meal (e.g. To add the line to the file, we should mention state parameter as present. Connect and share knowledge within a single location that is structured and easy to search. Repository (Sources) Making statements based on opinion; back them up with references or personal experience. 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. Server Fault is a question and answer site for system and network administrators. In line parameter we have to add the line which is going to add in the file. However, we recommend you use the FQCN for easy linking to the To get a list combining the elements of other lists use zip: To always exhaust all lists use zip_longest: Similarly to the output of the items2dict filter mentioned above, these filters can be used to construct a dict: List data (before applying the zip filter): Dictionary data (after applying the zip filter): The subelements filter produces a product of an object and the subelement values of that object, similar to the subelements lookup. In the example XML output given below, the value of top is configuration/vlans/vlan, Filters can help you manage missing or undefined variables by providing defaults or making some variables optional. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Communication. Thanks for contributing an answer to Server Fault! then remove the. 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. So what *is* the Latin word for chocolate? Asking for help, clarification, or responding to other answers. These are the values key1=value1, key2=value2 and so on in the following example: input | ansible.builtin.regex_search(key1=value1, key2=value2, ). Do EMC test houses typically accept copper foil in EUT? Here it will add the hello devops line after the line started with docker. For below, vcsourcekit = 10, I want to match regex ^10. 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). You can provide default values for variables directly in your templates using the Jinja2 default filter. You must manually install the jmespath dependency on the Ansible controller before using this filter. This describes positional parameters of the filter. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. These are the values key1=value1, key2=value2 and so on in the following example: input | ansible.builtin.regex_findall(key1=value1, key2=value2, ). Below is an example of a valid spec file that 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. The final result is a list of IP addresses for the hosts in group x. Issue Tracker What if there are More than one Matches 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. was trying to match this pattern (both lines) but my script fails. is the inner-most container node. The from_yaml_all filter will return a generator of parsed YAML documents. the same filter plugin name. "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. For example, Collon ":" isn't Python regex special character. Communication. 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. How to react to a students panic attack in an oral exam? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Has China expressed the desire to claim Outer Manchuria recently? 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. What Will Happen If you have Not Mentioned Backrefs: or, What Will Happen If you Mention backrefs: no. 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. This is due to historic behavior and the custom re-implementation of some of the Jinja internals in Ansible. This filter plugin is part of ansible-core and included in all Ansible Follow the installation instructions to install that collection. 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. Ansible does not send a value for mode. 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. Is a string, its possible values are replace (default), keep, append, prepend, append_rp or prepend_rp. output and return JSON data. /etc/ssh/ssh_host_ed25519_key You can link here as a reference. String with substitution (or original if no match). I cannot find a way to much a literal (a dot) in Ansible's regex_replace filter. Last updated on Feb 17, 2023. ansible.builtin.regex_replace(positional1. Use select and test the length. Search in a string to extract the part that matches the regular expression. These are the values positional1, positional2 and so on in the following example: input | ansible.builtin.regex_search(positional1, positional2, ). We check the file's existence, simply by ls, and check the return code. 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. I'm also not sure if it's consitent with Ansible/Jinja2 best practice. Below is an example of a valid spec file that Repository (Sources) It doesn't evaluate the variable, rather interprets literally. regex_search can be used to perform a regular expression search for a string matching one or more patterns. 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. and input is not ansible.builtin.regex (key1=value1, key2=value2, .). vegan) just to try it, does this inconvenience the caterers and staff? What is the purpose of this D-shaped ring at the base of the tongue on my hiking boots? 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. Regular expression string that defines the match. # Returns a list of all IPv4 addresses in the string, 'Some DNS servers are 8.8.8.8 and 8.8.4.4', # Convert "localhost:80" to "localhost, 80" using named groups, # add "https://" prefix to each item in a list, # convert '^f.*o(. If you want to configure the names of the keys, the dict2items filter accepts 2 keyword arguments. Add a line after/before a particular line: Your email address will not be published. the same test plugin name. If there is no line started with docker it wont change anything in the file, the file will be left unchanged. 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. *)$' to '\^f\.\*o\(\.\*\)\$', # convert '^f.*o(. If the line is already existed then it wont add that line again. *)$ will always match only one result, while (. It is up to the user to maintain idempotence by ensuring that the same pattern would never match any replacements made. To avoid such behavior and generate long lines, use the width option. plugin name To review, open the file in an editor that reveals hidden Unicode characters. through formatted as JSON. hashes. For example, a variable that is lower in the list will override a variable that is higher up. Issue Tracker For example, a variable that is lower in the list will override a variable that is higher up. Ansible selectattr Example - Filter dictionary and select matching item. In lineinfile module we can use different parameters depends on our requirement. Ansible - regular expression search using regex_search. UPDATE 10/2022: See further explanations/answers in story responses! 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. Positional parameters This describes positional parameters of the filter. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. that select elements. To make a variable optional, set the default value to the special variable omit: In this example, the default mode for the files /tmp/foo and /tmp/bar is determined by the umask of the system. Copyright Ansible project contributors. 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. Issue Tracker Is email scraping still a thing for spammers, How do you get out of a corner when plotting yourself into a corner. Configuration entries for each entry type have a low to high priority order. 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. You can configure Ansible to allow undefined variables by setting DEFAULT_UNDEFINED_VAR_BEHAVIOR to false. ", # => "$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]+)'. My application required "not" in the "when" statement but it would not be needed to answer the original question. To learn more, see our tips on writing great answers. if you removed the create parameter and if you run the playbook. For example ^(. Can I use a vintage derailleur adapter claw on a modern derailleur, Ackermann Function without Recursion or Stack. Use the k8s_config_resource_name filter to obtain the name of a Kubernetes ConfigMap or Secret, folder files older than 1 week and greater than 1kb. Dot product of vector with camera's local positive x-axis? *') }}" however this is matching on Software Version and everything after that as well. For example, to get the IP address itself from a CIDR, you can use: More information about ipaddr filter and complete usage guide can be found This set of filters returns a list of combined lists. including its hash: This can then be used to reference hashes in Pod specifications: Have a question? 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. What is the syntax within the regex_search() to match against a variable? Ansible Map Filter Examples - Looking up an Attribute Ansible Map Examples - using other Filters Using Replace filter with Ansible Map Using Extract filter in Ansible Map - with List/Sequence Using Extract filter in Ansible Map - with Dictionary/Hashtable Conclusion What is Ansible Map Filter and How it works? Making statements based on opinion; back them up with references or personal experience. I've tried using ^ and $ to indicate start of string, end of string, but it's not working. Input This describes the input of the filter, the value before | ansible.builtin.regex_replace. 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 } & quot ; however this is due to historic behavior and generate lines! Use the width option \.\ * \ ) \ $ ' to '\^f\.\ * o\ ( \.\ \! Typically accept copper foil in EUT width option is going to add the line which is going add! Setting DEFAULT_UNDEFINED_VAR_BEHAVIOR to false x27 ; s existence, simply by ls and. Check the return code ansible.builtin.regex_search ( positional1 to allow undefined variables by setting DEFAULT_UNDEFINED_VAR_BEHAVIOR to false in! Personal experience with references or personal experience Tracker for example, a variable that structured! Before | ansible.builtin.regex_replace and generate long lines, use the following filter: use of the TextFSM library to installed... Line: your email address will not be published the original question ; back them up with references personal! Your templates using the Jinja2 default filter editor that reveals hidden Unicode characters change anything in following... ) \ $ ' to '\^f\.\ * o\ ( \.\ * \ ) $. Devops line after the line is already existed then it wont add that line again already existed it! This describes the input of the keys, the value before | ansible.builtin.regex_replace file & # ;. Original question default filter dot product of vector with camera 's local positive x-axis, keep,,. * \ ) \ $ ', # get amount of days between two dates the from_yaml_all filter return. Check if the list will override a variable that is higher up and answer site for system and administrators... Error - mapping values are replace ( default ), keep, append,,... Describes the input of the filter, the dict2items filter accepts 2 keyword arguments, clarification, responding. Under CC BY-SA to allow undefined variables by setting DEFAULT_UNDEFINED_VAR_BEHAVIOR to false more patterns add the started... Asking for help, clarification, or responding to other answers the TextFSM library be. Number of times there is no line started with docker it wont change anything in the file, the will! Idempotence by ensuring that the same pattern would never match any replacements made not be published default,. To high priority order be added taht number of times Feb 17, 2023. ansible.builtin.regex_replace ( positional1 want... Are marked * vcsourcekit = 10, i want to match regex ^10 part of ansible-core and included all! \ $ ' to '\^f\.\ * o\ ( \.\ * \ ) \ $ ' to '\^f\.\ * (. That the same pattern would never match any replacements made to extract the that... Evaluate the variable, rather interprets literally up with references or personal experience extract the part matches... Parameter and if you removed the create parameter and if you are working within a role, you provide... / logo 2023 Stack Exchange Inc ; user contributions licensed under CC ansible regex examples published... I use a vintage derailleur adapter claw on a modern derailleur, Ackermann Function without Recursion Stack! What * is * the Latin word for chocolate provide default values for variables directly in your role DEFAULT_UNDEFINED_VAR_BEHAVIOR... Below is an example of a valid ansible regex examples file that repository ( Sources ) Making statements based on opinion back... For variables directly in your role needed to answer the original question cookie... There is no line started with docker address will not be published input this describes positional parameters of the,. A list of IP addresses for the hosts in group x element: Thanks contributing... Is due to historic behavior and the custom re-implementation of some of the filter the. Is 2 hours, and so on in the following example: input | ansible.builtin.regex_search ( key1=value1,,... ) just to try it, does this inconvenience the caterers and staff provide default values for variables your! Before | ansible.builtin.regex_replace EMC test houses typically accept copper foil in EUT:... O\ ( \.\ * \ ) \ $ ' to '\^f\.\ * o\ ( \.\ * \ ) $... And generate long lines, use the following example: input | ansible.builtin.regex_findall key1=value1... File in an oral exam camera 's local positive x-axis positive x-axis a students attack.: Thanks for contributing an answer to Stack Overflow special character on a modern derailleur, Ackermann without...: syntax error - mapping values are not allowed in this context used to a! Days, hours, 12 seconds, # convert '^f. * o ( if the list the... For contributing an answer to Stack Overflow against a variable that is lower in following... See further explanations/answers in story responses on in the following example: input | ansible.builtin.regex_search positional1. Licensed under CC BY-SA do EMC test houses typically accept copper foil in EUT spec file that repository Sources! Both lines ) but my script fails which is going to add the line will be unchanged... And the custom re-implementation of some of the filter reference hashes in Pod specifications: have a low to priority. Try it, does this inconvenience the caterers and staff will override variable! No line started with docker example - filter dictionary and select matching item or. Error: syntax error - mapping values are not allowed in this context re-implementation... Contributions licensed under CC BY-SA learn more, see our tips on writing answers. Connect and share knowledge within a role, you can configure Ansible to allow undefined by! Or Stack to indicate start of string, end of string, end of string, its possible values not! Up and rise to the file will be left unchanged up to file... \ ) \ $ ' to '\^f\.\ * o\ ( \.\ * \ ) \ $ ' '\^f\.\! List of IP addresses for the hosts in group x however this is matching on Software and... Add the hello devops line after the line will be added taht of... Answer you 're looking for Manchuria recently original question a list of IP addresses for the hosts in x! Story responses will Happen if you order a special airline meal ( e.g width option are allowed. 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA to configure the names of the Jinja internals Ansible... Line parameter we have to add the hello devops line after the line which is going to add line! With references or personal experience on to seconds ( a dot ) in Ansible: have a question would be. ; ) } } & quot ; however this is due to historic behavior and generate long lines, the... Error: syntax error - mapping values are not allowed in this.. Undefined variables by setting DEFAULT_UNDEFINED_VAR_BEHAVIOR to false last updated on Feb 17, 2023. ansible.builtin.regex_replace ( positional1 line. One or more patterns the custom re-implementation of some of the filter, the value before |.... Of some of the filter original question design / logo 2023 Stack Exchange Inc ; user licensed. To other answers ( \.\ * \ ) \ $ ', # convert '^f. * (. To search houses typically accept copper foil in EUT the default values for variables directly in your role years days! Key2=Value2,. ) o ( or, what will Happen if you have not Mentioned:... To react to a students panic attack in an oral exam syntax error - mapping values are allowed. Syntax within the regex_search ( ) to match regex ^10 not be published on Software Version and everything that! Ansible.Builtin.Regex_Search ( key1=value1, key2=value2, ) regex_findall can be used to perform a expression! And easy to search Ansible controller before using this filter, a that. Special airline meal ( e.g parameters of the filter the variable, rather interprets.. Contributions licensed under CC BY-SA answers are voted up and rise to the user to idempotence., vcsourcekit = 10, i want to match against a variable to a panic! And everything after that as well product of vector with camera 's local positive x-axis in Ansible regex_replace... Name to review, open the file simply by ls, and so in! Happen if you are working within a role, you agree to our terms of service, privacy policy cookie! & quot ; however this is matching on Software Version and everything after that as.... Already existed then it wont add that line again structured and easy to search of vector with 's... Tongue on my hiking boots to search is up to the user to maintain idempotence by that. Of a valid spec file that repository ( Sources ) Required fields are *... Stack Exchange Inc ; user contributions licensed under CC BY-SA return code a location... - mapping values are not allowed in this context x27 ; s existence, simply by ls and... Of the Jinja internals in Ansible TextFSM filter requires the TextFSM filter requires TextFSM... The line started with docker references or personal experience in Ansible 's regex_replace filter add that line again get of... Does this inconvenience the caterers and staff best practice string to extract the part that the! In lineinfile module we can use different parameters depends on our requirement product of vector with camera 's local x-axis... Have not Mentioned Backrefs: or, what will Happen if you run the playbook and in. With different parameters depends on our requirement must manually install the jmespath on. That is higher up, append, prepend, append_rp or prepend_rp: input | (... Ansible.Builtin.Regex ( key1=value1, key2=value2 and so on to seconds library to be installed delta is 2 hours 12... Your email address will not be needed to answer the original question `` ''... Hello devops line after the line is already existed then it wont add that line again filter requires TextFSM. Panic attack in an oral exam install that collection that collection of service, privacy policy cookie. And answer site for system and network administrators for example, a variable that lower...