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100 lines
3.0 KiB
100 lines
3.0 KiB
# -*- coding: utf-8 -*-
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#
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# 2013-2015 Nico Schottelius (nico-cdist at schottelius.org)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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import logging
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import os
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import subprocess
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import tempfile
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# initialise cdist
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import cdist.exec.local
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import cdist.config
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log = logging.getLogger(__name__)
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class Shell(object):
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def __init__(self, shell=None):
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self.shell = shell
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self.target_host = (
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"cdist-shell-no-target-host",
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"cdist-shell-no-target-host",
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"cdist-shell-no-target-host",
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)
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self.target_host_tags = ""
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host_dir_name = cdist.str_hash(self.target_host[0])
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base_root_path = tempfile.mkdtemp()
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host_base_path = os.path.join(base_root_path, host_dir_name)
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self.local = cdist.exec.local.Local(
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target_host=self.target_host,
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target_host_tags=self.target_host_tags,
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base_root_path=host_base_path,
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host_dir_name=host_dir_name)
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def _init_shell(self):
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"""Select shell to execute, if not specified by user"""
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if not self.shell:
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self.shell = os.environ.get('SHELL', "/bin/sh")
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def _init_files_dirs(self):
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self.local.create_files_dirs()
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def _init_environment(self):
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self.env = os.environ.copy()
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additional_env = {
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'PATH': "%s:%s" % (self.local.bin_path, os.environ['PATH']),
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# for use in type emulator
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'__cdist_type_base_path': self.local.type_path,
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'__cdist_manifest': "cdist shell",
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'__global': self.local.base_path,
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'__target_host': self.target_host[0],
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'__target_hostname': self.target_host[1],
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'__target_fqdn': self.target_host[2],
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'__manifest': self.local.manifest_path,
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'__explorer': self.local.global_explorer_path,
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'__files': self.local.files_path,
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'__target_host_tags': self.local.target_host_tags,
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}
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self.env.update(additional_env)
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def run(self):
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self._init_shell()
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self._init_files_dirs()
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self._init_environment()
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log.trace("Starting shell...")
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# save_output=False -> do not catch stdout and stderr
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self.local.run([self.shell], self.env, save_output=False)
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log.trace("Finished shell.")
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@classmethod
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def commandline(cls, args):
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shell = cls(args.shell)
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shell.run()
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