Cannot parse partial configs

[kenneth-vkd]

Describe the bug
Unable to process config file with http block

To Reproduce
Parse this file:
template-config-no-http.txt

It works if you wrap it in an http block:
template-config-http.txt

Expected behavior
Since the file is a valid partial configuration, it would be expected to have this work

Your environment

• Operating System Ubuntu 20.04
• Version of crossplane crossplane 0.5.7

[rogueloop]

the same issue with server block - parsing returns lots of errors
got some alternative to this? @kenneth-vkd

[kenneth-vkd]

@rogueloop have not yet found another solution.
Currently reading a template config file to a string and the replace the simple parts, such as server_name and ssl certificate paths.
For more "complex" things, such as adding directives at specific points or remove directives, I convert the string to a list with .splitlines() and then use .join() to merge it back to a single string before creating a file

[astrowonk]

Yeah I want to edit the file(s) I have in sites-available and since they are partial (just a server block) that gets pulled into the main config with an include, clossplane throws nothing but errors. Kind of defeats the purpose ...

I could use the combine param on the nginix.conf file but then there's no way to split out just what's in sites-available.

Isn't putting server blocks insites-available a best practice? why wouldn't crossplane support editing those files?

[nikhilweee]

Same issue here. I wish to edit just the files in sites-available, I was hoping there was a way to do so.

[aliqandil]

I do have a hack handy, I may later turn it into a full fledged python library, but here is the core idea:

Instead of the default lex function, I use this one:

import crossplane
def lex( self, filename = None ):
		it = ( line + '\n' for line in self.template.split("\n") )
		it = crossplane.lexer._lex_file_object(it)
		it = crossplane.lexer._balance_braces(it)
		for token, line, quoted in it:
			yield (token, line, quoted) 

Where self.template is my sites-available config as a string, then using mocking, I patch the code like this:

from unittest.mock import patch
with patch('crossplane.parser.lex', lex):
			payload = crossplane.parse(f"{self.template_name}.conf",
				comments=True,
				single=True,
				check_ctx=False,
				check_args=False
			)

This way I can fool the library that it's reading a partial config from a file named f"{self.template_name}.conf", without actually needing to write my config strings into a file and making sure they make sense in the context of the global nginx.conf file.