mirror of
https://github.com/dhall-lang/dhall-kubernetes.git
synced 2024-11-03 21:05:47 +03:00
74 lines
2.1 KiB
Python
Executable File
74 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Build YAML files from the example Dhall sources.
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#
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# An optional second argument determines the directory to write the YAML
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# files to. Defaults to the exmaples directory.
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#
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# Also checks that the generated files do not differ from what is
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# checked into source control. We list all generated files that differ
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# and exit with status code 1 if the list is non-empty.
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import os
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from subprocess import run, DEVNULL
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import sys
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examples_dir = os.path.normpath(os.path.join(os.path.dirname(__file__), '..', 'examples'))
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examples = [
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'deploymentRaw',
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'ingressRaw',
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'deployment',
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'service'
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]
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TERM_FAIL = '\033[91m'
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TERM_CLEAR = '\033[0m'
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def check_clean(path_1, path_2):
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if path_1 == path_2:
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cmd = ['git', 'diff', '--exit-code', '--', path_1]
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else:
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cmd = ['diff', '--unified', '--', path_1, path_2]
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result = run(cmd, check=False, stdout=DEVNULL)
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if result.returncode == 0:
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return True
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elif result.returncode == 1:
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return False
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else:
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# Raises a `CalledProcessError`
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result.check_returncode()
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def build_yaml (example, out_dir):
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source = os.path.join(examples_dir, example + '.dhall')
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print('Building {}'.format(source))
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target = os.path.join(out_dir, example + '.yaml')
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expected = os.path.join(examples_dir, 'out', example + '.yaml')
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cmd = 'dhall-to-yaml --omitNull <<< "./{source}" >{target}'.format(source=source, target=target)
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run(cmd, shell=True, executable='bash', check=True)
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return check_clean(expected, target)
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def main():
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if len(sys.argv) >= 2:
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out_dir = sys.argv[1]
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else:
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out_dir = os.path.join(examples_dir, 'out')
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clean_failures = []
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for example in examples:
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is_clean = build_yaml(example, out_dir)
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if is_clean == False:
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clean_failures.append(example + '.yaml')
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if len(clean_failures) > 0:
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print(TERM_FAIL + 'Clean check failed. The following files differ' + TERM_CLEAR)
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for failure in clean_failures:
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print(' ' + failure)
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sys.exit(1)
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if __name__ == '__main__':
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main()
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