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59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
from __future__ import absolute_import
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from __future__ import unicode_literals
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import logging
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from docker.errors import NotFound
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from .config import ConfigurationError
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log = logging.getLogger(__name__)
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# TODO: support external networks
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class Network(object):
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def __init__(self, client, project, name, driver=None, driver_opts=None):
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self.client = client
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self.project = project
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self.name = name
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self.driver = driver
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self.driver_opts = driver_opts
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def ensure(self):
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try:
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data = self.inspect()
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if self.driver and data['Driver'] != self.driver:
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raise ConfigurationError(
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'Network {} needs to be recreated - driver has changed'
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.format(self.full_name))
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if data['Options'] != (self.driver_opts or {}):
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raise ConfigurationError(
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'Network {} needs to be recreated - options have changed'
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.format(self.full_name))
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except NotFound:
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driver_name = 'the default driver'
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if self.driver:
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driver_name = 'driver "{}"'.format(self.driver)
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log.info(
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'Creating network "{}" with {}'
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.format(self.full_name, driver_name)
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)
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self.client.create_network(
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self.full_name, self.driver, self.driver_opts
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)
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def remove(self):
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# TODO: don't remove external networks
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log.info("Removing network {}".format(self.full_name))
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self.client.remove_network(self.full_name)
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def inspect(self):
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return self.client.inspect_network(self.full_name)
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@property
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def full_name(self):
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return '{0}_{1}'.format(self.project, self.name)
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