54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
from hashlib import md5
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class DryRunExecutor(object):
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def __init__(self, mapping=None):
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from fabric import api as fabric_api
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from fabric.contrib import project as fabric_project
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import mock
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self.executed = []
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self.mapping = mapping or {}
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def dry_run_executor(command_name):
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def wrapper(*args, **kwargs):
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key = (len(self.executed), command_name, args, kwargs)
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self.executed.append(key)
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return self.find_hash(self.compute_hash(key))
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return wrapper
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# Add your own mocks here, IO, whatever
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fabric_api.local = mock.Mock(side_effect=dry_run_executor('LOCAL RUN'))
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fabric_api.put = mock.Mock(side_effect=dry_run_executor('PUT'))
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fabric_api.run = mock.Mock(side_effect=dry_run_executor('SSH RUN'))
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fabric_api.sudo = mock.Mock(side_effect=dry_run_executor('SSH SUDO'))
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fabric_project.rsync_project = mock.Mock(side_effect=dry_run_executor('RSYNC PROJECT'))
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def compute_hash(self, key):
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return md5(str(key)).hexdigest()
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def find_hash(self, hash):
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stripped_hashes = {k.replace('>', ''): k for k in self.mapping}
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hashes = [k for k in stripped_hashes if hash.startswith(k)]
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if len(hashes) == 0:
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#raise Exception('Hash {} not found'.format(hash))
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return ''
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elif len(hashes) > 1:
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raise Exception('Hash {} not unique in {}'.format(
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hash, hashes
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))
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hash = stripped_hashes[hashes[0]]
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if hash.endswith('>'):
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with open(self.mapping[hash]) as f:
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return f.read()
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return self.mapping[hash]
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