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97 lines
2.7 KiB
Python
97 lines
2.7 KiB
Python
# Copyright 2013 dotCloud inc.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import io
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import tarfile
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import tempfile
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import requests
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import six
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def mkbuildcontext(dockerfile):
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f = tempfile.NamedTemporaryFile()
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t = tarfile.open(mode='w', fileobj=f)
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if isinstance(dockerfile, io.StringIO):
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dfinfo = tarfile.TarInfo('Dockerfile')
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if six.PY3:
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raise TypeError('Please use io.BytesIO to create in-memory '
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'Dockerfiles with Python 3')
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else:
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dfinfo.size = len(dockerfile.getvalue())
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elif isinstance(dockerfile, io.BytesIO):
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dfinfo = tarfile.TarInfo('Dockerfile')
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dfinfo.size = len(dockerfile.getvalue())
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else:
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dfinfo = t.gettarinfo(fileobj=dockerfile, arcname='Dockerfile')
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t.addfile(dfinfo, dockerfile)
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t.close()
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f.seek(0)
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return f
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def tar(path):
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f = tempfile.NamedTemporaryFile()
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t = tarfile.open(mode='w', fileobj=f)
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t.add(path, arcname='.')
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t.close()
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f.seek(0)
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return f
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def compare_version(v1, v2):
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return float(v2) - float(v1)
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def ping(url):
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try:
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res = requests.get(url)
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return res.status >= 400
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except Exception:
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return False
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def _convert_port_binding(binding):
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result = {'HostIp': '', 'HostPort': ''}
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if isinstance(binding, tuple):
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if len(binding) == 2:
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result['HostPort'] = binding[1]
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result['HostIp'] = binding[0]
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elif isinstance(binding[0], six.string_types):
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result['HostIp'] = binding[0]
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else:
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result['HostPort'] = binding[0]
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else:
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result['HostPort'] = binding
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if result['HostPort'] is None:
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result['HostPort'] = ''
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else:
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result['HostPort'] = str(result['HostPort'])
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return result
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def convert_port_bindings(port_bindings):
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result = {}
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for k, v in six.iteritems(port_bindings):
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key = str(k)
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if '/' not in key:
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key = key + '/tcp'
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if isinstance(v, list):
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result[key] = [_convert_port_binding(binding) for binding in v]
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else:
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result[key] = [_convert_port_binding(v)]
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return result
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