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# Copyright 2019, David Wilson
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors
# may be used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# !mitogen: minify_safe
import logging
import mitogen.core
import mitogen.parent
LOG = logging.getLogger(__name__)
class Options(mitogen.parent.Options):
container = None
image = None
username = None
docker_path = u'docker'
def __init__(self, container=None, image=None, docker_path=None,
username=None, **kwargs):
super(Options, self).__init__(**kwargs)
assert container or image
if container:
self.container = mitogen.core.to_text(container)
if image:
self.image = mitogen.core.to_text(image)
if docker_path:
self.docker_path = mitogen.core.to_text(docker_path)
if username:
self.username = mitogen.core.to_text(username)
class Connection(mitogen.parent.Connection):
options_class = Options
child_is_immediate_subprocess = False
# TODO: better way of capturing errors such as "No such container."
create_child_args = {
'merge_stdio': True
}
def _get_name(self):
return u'docker.' + (self.options.container or self.options.image)
def get_boot_command(self):
args = ['--interactive']
if self.options.username:
args += ['--user=' + self.options.username]
bits = [self.options.docker_path]
if self.options.container:
bits += ['exec'] + args + [self.options.container]
elif self.options.image:
bits += ['run'] + args + ['--rm', self.options.image]
return bits + super(Connection, self).get_boot_command()
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