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79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
6 years ago
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# coding: utf-8
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# Copyright 2018, Yannig Perré
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its contributors
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# may be used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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import logging
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import mitogen.core
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import mitogen.parent
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LOG = logging.getLogger(__name__)
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class Stream(mitogen.parent.Stream):
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child_is_immediate_subprocess = True
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pod = None
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container = None
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username = None
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kubectl_path = 'kubectl'
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# TODO: better way of capturing errors such as "No such container."
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create_child_args = {
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'merge_stdio': True
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}
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def construct(self, pod = None, container=None,
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kubectl_path=None, username=None,
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**kwargs):
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assert pod
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super(Stream, self).construct(**kwargs)
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if pod:
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self.pod = pod
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if container:
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self.container = container
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if kubectl_path:
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self.kubectl_path = kubectl_path
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if username:
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self.username = username
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def connect(self):
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super(Stream, self).connect()
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self.name = u'kubectl.' + (self.pod) + str(self.container)
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def get_boot_command(self):
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args = ['exec', '-it', self.pod]
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if self.username:
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args += ['--username=' + self.username]
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if self.container:
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args += ['--container=' + self.container]
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bits = [self.kubectl_path]
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return bits + args + [ "--" ] + super(Stream, self).get_boot_command()
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