Ansible remove characters from string. Test it - debug: var: associable_object_types.
Ansible remove characters from string g. A Subreddit dedicated to fostering communication in the Ansible Community, includes Ansible, AWX, Ansible Tower, Ansible Galaxy, ansible-lint, Molecule, etc. For example, if you want to split a string variable fruits by commas, you can use: Oct 5, 2018 · Hi All, I want to remove special character using ansible playbook, I can provide the sample data here below that I am trying to remove “\\nhostname username\\n”\\r I want to remove \\n and \\r. Jun 6, 2022 · Given a string variable somevariable, somevariable[-1] is the last character, and somevariable[:-1] is the string not including the last character. \\e[0m I tried replace( Aug 15, 2015 · Wow, it worked. The key to the following examples is a double-escape of the forward slash character. It will spit out the result you want. regex_replace for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same filter plugin name. In most cases, you can use the short plugin name regex_replace. This will set arg to \(-name "bar" \) if foo's value is bar. The whole point here is: given that string format presented above, can you trim certain bits of it based on the key? My goal is to not worry about the order of the fields in that string anymore, nor if new ones get added. I can’t seem to find a way to trim the ‘\\u0000’. builtin. Modified 4 years, 6 months ago. Ansible trim string. # Original string: *. Say I have something like below: greeting: "Hello_World" I want to remove the substring "_World" from greeting and store the result in another Ansible variable. com removing the "123-" from whatever e-mail address is entered. Aug 19, 2015 · I would like to fetch first few character from a registered variable. Or to get the first character from a variable. stdout[1:-1] Internal interpretation is all the same. By default, the trim filter strips leading and trailing whitespace from the string provided. Am I missing something? Here's the output from the debug after the first removal: Dec 7, 2018 · I have this Ansible as a String: replacing the special characters in a string in Ansible or Appending \ to special characters in the given string in Ansible. - name: get the last character from string 'Hello World' debug: msg: "{{ 'Hello World'[-1] }}" [:3] can be used to get the first 3 characters. Index of all Callback Plugins; Further Q&A. 1+ (default, Jan 20 2021, 14:49:22) [GCC 10. commandCode=303 or msg. 1 20210110] Escaping special characters in the searched string such as the following should be simply done with '': ’ → ' ( → ( , → , ) → ) However, it seems to be impossible to perform this task with a single '' or even a double ‘\\’; for instance, running the following Sep 15, 2020 · This would return an array with a single element, so I added | first to get only one element directly as a string. Nov 15, 2022 · There is a big "don't" in your current attempt: you should not register on a debug task. my example variable right now is: account_name: "my-laptops's DEV" Oct 29, 2023 · Learn how to search and replace a string or a line with Ansible. For example, given the file. May 15, 2025 · Unicode makes it possible to produce two strings which may be visually equivalent, but are comprised of distinctly different characters/character sequences. {{ ansible_hostname }} --> jpunessus Oct 10, 2017 · I am trying to create a regex that matches any special characters inside of a URL, and then adds the escape character \ in front of it. - name: Comment Java exclusion replace: path: /etc/yum. com and I want to send an e-mail to test@testdomain. Looking forward for reply. My goal is to remove spaces with hyphens "-" and remove any special characters like the ' in laptop's in the user account name. I try to use regex_replace filter to do that, but nothing works. The task loops thru a list of topics and their respective configs, which is the string I’m trying to parse as a key/value map. Can somebody please suggest me how to do that. since they are regex Jan 18, 2022 · It’s easy for me to show you the behavior by example. I have created the following regex, which correctly captures the right characters from the string, but it does not add the \ in front of the special characters. Note: It seems, from you debug of show_policy. Even better: Sep 25, 2018 · I'm new to Ansible, trying to use Assert module to validate the length of a string. For example:-My node machine has following hostname:- jpujenkins, jpunessus. This filter plugin is part of ansible-core and included in all Ansible installations. Result: ok: [localhost] => { "my_var": "/var/lib/zookeeper" } If the config file resides on the Ansible machine you can make it even easier using a lookup: Jun 10, 2021 · If you want to remove the part of the line after the quote Eliminate Unwanted Characters in Ansible print. In other words: just use a dot. 00 dB Line Attenuation: 57. conf regexp: '(java\*\s*)' replace: '' Changes to the regex:. Nov 29, 2023 · The right way to escape single-quotes in single-quoted YAML strings is to double them, regex_replace('[''\"]', '') But this won’t fix it inline because Jinja2 rendering removes the single quotes: Im trying to do some tricky things with a variable a user is inputting. stdout[5] }}" Influence when to use atomic operation to prevent data corruption or inconsistent reads from the target filesystem object. One solution is to just “blanket” match the special character, rather than trying to match it precisely. Automation for the People! A Subreddit dedicated to fostering communication in the Ansible Community, includes Ansible, AWX, Ansible Tower, Ansible Galaxy, ansible-lint, Molecule, etc. 2. 9. * would have removed the exclude= as well, so I removed it; The * needs to be escaped, it's a regex modifier; added \s* to remove trailing whitespace as well; EDIT. Apr 16, 2021 · So the trim filter seems to be removing the final \r from the list of files on file3. Nov 12, 2015 · Hi, if I have a string/var with hostname_01. shell> cat /tmp/test. Jan 14, 2022 · New to Ansible, having trouble doing the following: shell command returns a “This is a test\\u0000” string. Jul 29, 2017 · Regexes and jinja2 expressions in ansible can be a pain in the ass, especially when it comes to escaping the right thing. Rest is for illustration purpose. This is the output from a Netopia 2210-02 ADSL2 modem. Dec 14, 2017 · When processing a string that contains many special characters, the escape syntax can become onerous. Then execute like this: # ansible-playbook -e “var_hosts=server” ansible-awk. stdout_lines | string }}. BONUS: You can also trim shell cmd inside playbook for Sep 29, 2021 · Here is the sample playbook, only the last line with regex_search is relevant here. How to replace all strings after a certain line in ansible? 3. the filename and regex_replace filter to remove the start Jan 11, 2023 · Add \s? to match one space after the string if exists. regex_search can be used for extracting the desired part from the text: Apr 7, 2019 · I am running an ansible play where I want to parse the output of the kubect cluser-info command. In most cases, you can use the short plugin name regex_search. If there is a number at in the middle it should not count for the check Use the ansible. Remove leading slashes {{ variable_name | regex_replace('^\\/', '') }} Remove trailing slashes regex_replace remove characters in variable. Replace and inline module in Ansible is used to replace string and line. com. txt rem par str how to remove few strings Put the strings you want to remove into a list. yml. 0. Jun 2, 2022 · In my ansible playbook, I need to get a string an input from the user which may have special characters such as double quotes ("), paranthesis. I would like to add \ (slash) before every such special character. sub() function under the hood to replace all matches of the pattern in the string. split filter to transform a character/string delimited string into a list of items suitable for looping. But the debug message in this case will look like this: I need to extract the last 4 characters from an ansible variable, like if my variable was abc-prod, or abc-devl, i only want prod and devl. split for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same filter plugin name. So in fact variable we will have. To address this Unicode defines normalization forms which avoid these distinctions by choosing a unique character sequence for a given visual representation. . I have a script which outputs the following text. 10. 0, HAL 7. Ansible replace text in file. remove_strings: [rem, par, str] Iterate the list Oct 20, 2020 · Remove backslash in string with ansible. 20 9. In your template => ingress = {{ var. 0|type_debug gives. ADSL Line State: Up ADSL Startup Attempts: 1 ADSL Modulation: DMT ADSL Data Path: Fast Datapump Version: DSP 7. 34 dBm Errored Seconds: 0 0 Loss of Signal: 0 476 Loss of Frame: 0 0 CRC Errors Feb 6, 2021 · For example, I wanted to use the trim filter to remove specific characters from a string I was working with. since they are regex Oct 7, 2021 · I want to remove a specific substring from a variable in Ansible and store the result into another variable. The string somemachine-prod-p should become somemachine-prod only if the -p is at the end. stdout_lines that it is actually a list of list, so you need the trim to happen on show_policy. However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible. I see I could possibly use regex_replace or regex_search, can someone help me out with this? Mar 29, 2022 · will result into an yaml-ized Ansible screen output output of. txt. In most cases, you can use the short plugin name split. 5 (with pip3 install) python version = 3. set_fact: arg: \(-name "{{foo}}" \) You have correct syntax. Like this aabb::aa::cc will turn into aaaa::cc . – I am looking for a validation to check if the last character is indeed a number. 09 12. com # Required string: helloworld. When I print out the stdout in ansible Ihave escaped characters, which I want to remove from the output. It uses the Python re. 2. e. Members Online CertifiedKnowNothing I’ll say that I’ve used sed, perl, and awk for quite a few years, and still rely on them, but Ansible’s lineinfile module is extremely powerful, as powerful as perl’s regular expression control set, including back references, whole-text searches as well as line searches, and has the advantage of having all the validation and desired state checks you would normally have to write already May 15, 2025 · Note. 9 and Feb 3, 2021 · ansible: 2. Members Online Appending an item to a list Aug 11, 2021 · You don't want to trim the last character, you want to output a list as json (or join its element for an other good solution proposed by @mdaniel). Replace character in a string with Ansible. In most cases, you can use the short plugin name regex_escape. - name: get the first character from variable 'foo' debug: msg: "{{ foo[0] }}" [-1] can be used to get the last character. Adding | trim to the end for some reason doesn't remove the whitespaces, and adding regex_search('\'','') also doesn't seem to escape the character and work. associable_object_types. Below is an Ansible task designed to process a fairly large PHP file. Example: Instrumenting a PHP File. Nov 27, 2018 · Edited: I wrote this playbook but it does not show the extracted variable: --- - hosts: fppc gather_facts: false remote_user: xyz connection: local tasks: - name: N1 ios_command: Don't be confused by the fact that ansible-playbook prints debug messages in JSON encoded form, so some characters are escaped. 00 dB Output Power: 17. To break a string over multiple lines in Ansible, you can use the following operators: Literal Block Scalar (|): This operator tells Ansible to treat the string as a literal block scalar. dest-host avpExists" is to be changed to Dec 21, 2019 · ansible-awk. Ansible stdout Formatting; Display ansible-playbook output properly formatted When deploying with ansible, There's 1 specific case where I need to strip a string of a trailing -p substring. So instead of using trim before splitting, we can trim each item after splitting the filenames with \r. 0. For Example, "(msg. stdout_lines | to_json }}. Thank u. Use the module replace. Apr 14, 2024 · I think it is python string manipulation knowledge (which apparently I am lacking) being needed here. 50 31. - hosts: node1 gather_facts: False tasks: - name: Check Value mango shell: cat /home/vagrant/mango register: result - name: Display Result In Loop debug: msg="Version is {{ result. Example: greet_word: "Hello" Thanks in advance! Nov 19, 2021 · Replace it with an empty string. Since it seem to be tricking to remove a backslash literal in Ansible? The following would work in a shell command… cat /proc/device-tree/model | cut -d '' -f1 But Ansible chokes on the ''? And even ‘\\’ does not work Nov 29, 2022 · Details: The title says "Removing brackets ([]) from Ansible string". Ideas? A Subreddit dedicated to fostering communication in the Ansible Community, includes Ansible, AWX, Ansible Tower, Ansible Galaxy, ansible-lint, Molecule, etc. May 15, 2025 · Note. The substring function I saw I can use with Jinja does not fulfill my needs as I need to strip the end of the string, not the start. Test it - debug: var: associable_object_types. Aug 20, 2021 · My problem now is that the output is now " '01' and I can't seem to remove the ' or the whitespace. This will match the strings at the end of the line as well. TASK [Show message] ***** ok: [localhost] => msg: |2- This is: Some longer example text with line breaks. I swear I was working on this for hours. 0 SNR Margin: 8. Feb 14, 2018 · I tried bash escape and double quotes methods to escape the special characters in below shell command, But both didn't work, What is the proper way to escape special characters in ansible playbook? The offending line appears to be: name: Syncing system date with htpdate failed!, Trying wget method May 15, 2025 · Note. stdout[5] }}" Aug 19, 2015 · I would like to fetch first few character from a registered variable. stdout_lines. 0|type_debug: AnsibleUnicode Because the string is a valid YAML list you can convert the string to list New to ansible- Is there a way to remove text from a variable? For example I have an account that's 123-test@testdomain. helloworld. Ask Question Asked 4 years, 6 months ago. regex_escape for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same filter plugin name. This is not only a better way to do it, it is also saving you from having a dictionary with the keys changed, failed and msg to dive into in order to get the variable you were expecting out of the msg property. By default this module uses atomic operations to prevent data corruption or inconsistent reads from the target filesystem objects, but sometimes systems are configured or just broken in ways that prevent this. Because of the quotes, the item on the list associable_object_types is a string. 3. Further Documentation. This means that Ansible will preserve the newlines in the string. 1. Feb 10, 2023 · I have following registered variable with stdout and I want to remove every character false vars: my_string: [email tasks: # For Ansible v2. Regards Sumit Sahay Jul 19, 2019 · The short answer is "omit the first and the last character" if the quotes are part of the string - set_fact: unique_key: command_output. Oct 29, 2023 · Learn how to search and replace a string or a line with Ansible. Apr 29, 2023 · The regex_replace is a filter in Ansible that is used to search for a regular expression pattern in a string and replace all matches with a specified replacement string. my variable is : p_code: "apXXXXX" I want to extract only the XXXXX value. Feb 5, 2024 · I want to extract a part of a string using ansible. The result register contains string: "'MWCC' | length == 3". Jun 10, 2016 · In a playbook, I try to extract the last character of variable "ansible_hostname". Could you please help to remove the single quotes ' Apr 25, 2019 · I'd like to ask, how to replace special characters in ansible. They have been tested on ansible v. argh. com:28569, how can I use the hostname part (hostname_01 and don"t use the :28569) to be use in an action ? Regards, Ansible Jan 27, 2023 · You can use a regex_replace filter in order to achieve that. There was a trailing \n in a JSON string I was trying to post to a server using the uri_module. commandCode=302 or msg. If you want to create a new variable, then use the set_fact module. Oct 10, 2019 · Q: "How would I remove any special characters & spaces leaving only text within a variable?" A: It's possible to use the combination of map and regex_replace because a string in YAML is an array of characters. 3. What I expected to get is: $ kubectl cluster-info Kubernetes master is running at https:// Aug 22, 2022 · Replace character in a string with Ansible. Oct 12, 2020 · See my latest edit for a regexp that will match one or more bs (they will still need to be next to ::) and it will not work if the bs are next to any other character. commandCode=301) and msg. {{ ansible_hostname }} --> jpujenkins. I want to remove some extra chars that might or might not be in the variable with is passed via extra-vars per instance: this is the desired replacements Apr 28, 2020 · I have a requirement where I have to extract/filter particular length of a string in ansible. regex_search for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same filter plugin name. replace('\n', '') wasn't getting rid of it, I thought, what the hell, I'll try this, and it WORKED. A last solution depending on your very exact requirement is to simply cast it as a string: ingress = {{ var. sgcwbqvnhdlbrpnrbwnretvtvtaqboxrfonlzeeacrrpwbjzzxlm