74 lines
2.8 KiB
Python
74 lines
2.8 KiB
Python
|
# 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 mitogen.parent
|
||
|
|
|
||
|
|
|
||
|
|
class Options(mitogen.parent.Options):
|
||
|
|
container = None
|
||
|
|
lxc_attach_path = 'lxc-attach'
|
||
|
|
|
||
|
|
def __init__(self, container, lxc_attach_path=None, **kwargs):
|
||
|
|
super(Options, self).__init__(**kwargs)
|
||
|
|
self.container = container
|
||
|
|
if lxc_attach_path:
|
||
|
|
self.lxc_attach_path = lxc_attach_path
|
||
|
|
|
||
|
|
|
||
|
|
class Connection(mitogen.parent.Connection):
|
||
|
|
options_class = Options
|
||
|
|
|
||
|
|
child_is_immediate_subprocess = False
|
||
|
|
create_child_args = {
|
||
|
|
# If lxc-attach finds any of stdin, stdout, stderr connected to a TTY,
|
||
|
|
# to prevent input injection it creates a proxy pty, forcing all IO to
|
||
|
|
# be buffered in <4KiB chunks. So ensure stderr is also routed to the
|
||
|
|
# socketpair.
|
||
|
|
'merge_stdio': True
|
||
|
|
}
|
||
|
|
|
||
|
|
eof_error_hint = (
|
||
|
|
'Note: many versions of LXC do not report program execution failure '
|
||
|
|
'meaningfully. Please check the host logs (/var/log) for more '
|
||
|
|
'information.'
|
||
|
|
)
|
||
|
|
|
||
|
|
def _get_name(self):
|
||
|
|
return u'lxc.' + self.options.container
|
||
|
|
|
||
|
|
def get_boot_command(self):
|
||
|
|
bits = [
|
||
|
|
self.options.lxc_attach_path,
|
||
|
|
'--clear-env',
|
||
|
|
'--name', self.options.container,
|
||
|
|
'--',
|
||
|
|
]
|
||
|
|
return bits + super(Connection, self).get_boot_command()
|