Jinja2 string contains. Filters in Jinja2 are functi...
Jinja2 string contains. Filters in Jinja2 are functions that transform template data during rendering. I don't want to match when the this string is part of a word and not at the beginning of the When deploying with ansible, There's 1 specific case where I need to strip a string of a trailing -p substring. 158 159 When given a string, "/" is not quoted. For example converting strings from lowercase to uppercase or selecting items from a list. The select filter along with the search filter can be useful for this purpose. 13. passwd: compat {% if openldap_nsswitch contains passwd I want to check for the presence of the string 'no' at the beginning of another string and is followed by a space. I was able to get as far as testing a string if it contains the "#" character. Both jinja tests and filters run on on Ansible controller itself, not on the For instance I want the output in form of "10. The string somemachine-prod-p should become somemachine-prod only if the -p is at th Luckily those I want to exclude contain a particular string which matches subdomain. startswith('foo_') %} The returned string is safe to render in HTML documents and <script> tags. So could I use a regex search filter to exclude any server that contains such string? What is the best way to check whether a string is a template, i. The exception is in HTML attributes that are double quoted; either use single quotes or the |forceescape filter. Ansible includes a contains test which operates similarly, but in reverse of the Jinja2 provided in test. This pag In Ansible, you can use Jinja2 filters to filter a list based on whether a string contains a certain substring. Now I would like to be able to somehow pull out the full words after the "#" (and before the next space) so that the resulting variable I'm trying to filter a list in ansible in Jinja2 when the elements contain a string, but the Jinja documentation doesn't seem clear enough for me to figure it out. 37. 8. Make sure to make the variable into a string. e. They provide a way to modify variables before they are output and are a core part of Jinja2's template language. Assuming each value is a string (which seems to be the case), you should be able to use the standard startswith method for strings, like {% if value. I'm trying to filter a list in ansible in Jinja2 when the elements contain a string, but the Jinja documentation doesn't seem clear enough for me to figure it out. How to search for a word in a variable string in jinja2? Asked 3 years, 4 months ago Modified 3 years, 4 months ago Viewed 3k times is there a way in jinja to do string matching? I would like to do something like: In Ansible, you can use Jinja2 filters to filter a list based on whether a string contains a certain substring. In Ansible, you can use Jinja2 filters to filter a list based on whether a string contains a certain substring. Testing if a list contains a value New in version 2. How to See if a String Contains Another String in Django Template Asked 12 years, 3 months ago Modified 2 years, 4 months ago Viewed 166k times Return a string which is the concatenation of the strings in the sequence. HTTP servers treat "/" and 160 "%2F" This Stack Overflow thread discusses methods similar to 'startswith' in Jinja2/Flask, offering solutions and insights for developers working with these frameworks. A 156 dict or iterable of `` (key, value)`` pairs will be joined as a 157 query string. 21. if you use the uniq string works fine, i guess it's because ansible_all_ipv4_addresses is a list. lex() to get the tokens and derive the check from that information by To test if a string contains a substring in Jinja, we use the in test, much like Python: "somestring" in somevariable In your case, you want to check if a given string contains any substring from the The problem: Separate files that have Jinja2 expressions from the rest using Python 3 and jinja2 lib The question: Is there utility method or another good way to check a test for Jinja2 expressions Is it possible to do something like this in jinja2: my_list = ['foo1', 'bar1', 'foo2', 'bar2'] # could be any number of foo's and bar's [i for i in my_list if 'foo' in i] I was looking at map and WIth “if” statement in the Jinja2 code, I’m trying to match any destination (in above vars) that begins with -?. 12, 10. The list is of string: openldap_nsswitch: - group - hosts - passwd - shadow If the string is in the list I want to output something in the template. 93" or "10. 68. 18. 147, 10. I’ve tried the operator matches and starts with. you need to iterate over the items of ansible_all_ipv4_addresses 6 If you want to do a substring search, you can check a variable for a string match like so. The contains test is designed to work with the . The separator between elements is an empty string per default, you can define it with the optional parameter: Jinja's Template Designer Documentation explains how to create and use templates with special placeholders, macros, and inheritance for dynamic content rendering. whether it contains template syntax? I've looked into Environment. 55" Is this possible to perform such operations of comparing strings and get its respective value in Jinja A string will be quoted directly.