129 lines
4.5 KiB
Python
129 lines
4.5 KiB
Python
#!/usr/bin/env python3
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import argparse
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import errno
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import os
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import subprocess
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from collections import defaultdict
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ITEMS = defaultdict(lambda: {'success': [], 'error': []})
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class ValidationException(Exception):
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def __init__(self, error_msg, error_no=errno.EFAULT):
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self.errmsg = error_msg
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self.errno = error_no
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def get_error_name(self):
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return errno.errorcode.get(self.errno) or 'EUNKNOWN'
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def __str__(self):
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return f'[{self.get_error_name()}] {self.errmsg}'
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class NotFoundException(ValidationException):
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def __init__(self, error):
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super().__init__(error, errno.ENOENT)
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class TrainNotFoundException(NotFoundException):
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def __init__(self):
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super(TrainNotFoundException, self).__init__('Failed to find train')
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class CatalogItemNotFoundException(NotFoundException):
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def __init__(self, path):
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super(CatalogItemNotFoundException, self).__init__(f'Failed to find {path!r} catalog item')
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def report_result():
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print('[\033[94mINFO\x1B[0m]\tExecution Complete')
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for index, item in enumerate(ITEMS):
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index += 1
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data = ITEMS[item]
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print(f'\n[\033[94mINFO\x1B[0m]\t{index}) {item}')
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if data['success']:
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print(
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f'[\033[92mOK\x1B[0m]\t - Successfully updated dependencies for {", ".join(data["success"])} versions'
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)
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for i_v, version in enumerate(data['error']):
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v_name, error = version
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print(
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f'[\033[91mFAILED\x1B[0m]\t ({i_v + 1}) Failed to update dependencies for {v_name!r} version: {error}'
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)
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def update_train_charts(train_path, commit):
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# We will gather all charts in the train and then for each chart all it's versions will be updated
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if not os.path.exists(train_path):
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raise TrainNotFoundException()
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print(f'[\033[94mINFO\x1B[0m]\tProcessing {train_path!r} train')
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for item in os.listdir(train_path):
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process_catalog_item(os.path.join(train_path, item))
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report_result()
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if commit and any(ITEMS[item]['success'] for item in ITEMS):
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if any(ITEMS[item]['error'] for item in ITEMS):
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print(f'[\033[91mFAILED\x1B[0m]\tNot committing changes as failures detected')
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else:
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commit_msg = f'Updated catalog item dependencies ({train_path.rsplit("/", 1)[-1]} train)\n' \
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'Following items were updated:\n'
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for item in ITEMS:
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commit_msg += f'Updated {item} ({", ".join(ITEMS[item]["success"])} versions)\n\n'
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for cmd in (
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['git', '-C', train_path, 'add', train_path],
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['git', '-C', train_path, 'commit', '-m', commit_msg]
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):
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cp = subprocess.Popen(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.PIPE)
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stderr = cp.communicate()[1]
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if cp.returncode:
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print(f'[\033[91mFAILED\x1B[0m]\tFailed to execute {" ".join(cmd)}: {stderr.decode()}')
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exit(1)
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print('[\033[92mOK\x1B[0m]\tChanges committed successfully')
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def process_catalog_item(item_path):
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if not os.path.exists(item_path):
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raise CatalogItemNotFoundException(item_path)
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item_name = item_path.rsplit('/', 1)[-1]
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print(f'[\033[94mINFO\x1B[0m]\tProcessing {item_name!r} catalog item')
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for item_version in os.listdir(item_path):
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if os.path.isdir(os.path.join(item_path, item_version)):
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update_item_version(item_name, item_version, os.path.join(item_path, item_version))
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def update_item_version(item_name, version, version_path):
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cp = subprocess.Popen(
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['helm', 'dependency', 'update', version_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE
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)
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stdout, stderr = cp.communicate()
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if cp.returncode:
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ITEMS[item_name]['error'].append((version, stderr.decode()))
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else:
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ITEMS[item_name]['success'].append(version)
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def main():
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parser = argparse.ArgumentParser()
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subparsers = parser.add_subparsers(help='sub-command help', dest='action')
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parser_setup = subparsers.add_parser('update', help='Update dependencies for specified train')
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parser_setup.add_argument('--train', help='Specify train path to update dependencies', required=True)
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parser_setup.add_argument('--commit', help='Commit after updating dependencies', default=False)
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args = parser.parse_args()
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if args.action == 'update':
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update_train_charts(args.train, args.commit)
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else:
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parser.print_help()
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if __name__ == '__main__':
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main()
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