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25 lines
1.2 KiB
Markdown
25 lines
1.2 KiB
Markdown
---
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title: Minimal standards checks
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---
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A typical standards check will look like:
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<!-- prettier-ignore-start -->
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<!-- spellchecker-disable -->
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{{< highlight Python "linenos=table" >}}
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def check_playbook_for_something(candidate, settings):
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result = Result(candidate.path) # empty result is a success with no output
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with open(candidate.path, 'r') as f:
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for (lineno, line) in enumerate(f):
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if line is dodgy:
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# enumerate is 0-based so add 1 to lineno
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result.errors.append(Error(lineno+1, "Line is dodgy: reasons"))
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return result
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{{< /highlight >}}
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<!-- spellchecker-enable -->
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<!-- prettier-ignore-end -->
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All standards check take a candidate object, which has a path attribute. The type can be inferred from the class name (i.e. `type(candidate).__name__`) or from the table [here](#candidates).
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They return a `Result` object, which contains a possibly empty list of `Error` objects. `Error` objects are formed of a line number and a message. If the error applies to the whole file being reviewed, set the line number to `None`. Line numbers are important as `ansible-later` can review just ranges of files to only review changes (e.g. through piping the output of `git diff` to `ansible-later`).
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