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122 lines
4.3 KiB
122 lines
4.3 KiB
# -*- coding: utf-8 -*-
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#
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# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
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# 2011 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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# FIXME: common base class with Remote?
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import io
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import os
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import sys
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import subprocess
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import shutil
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import logging
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import cdist
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from cdist import core
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class Local(object):
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"""Execute commands locally.
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All interaction with the local side should be done through this class.
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Directly accessing the local side from python code is a bug.
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"""
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def __init__(self, target_host, local_base_path, out_path):
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self.target_host = target_host
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self.base_path = local_base_path
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# Local input
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self.cache_path = os.path.join(self.base_path, "cache")
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self.conf_path = os.path.join(self.base_path, "conf")
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self.global_explorer_path = os.path.join(self.conf_path, "explorer")
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self.manifest_path = os.path.join(self.conf_path, "manifest")
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self.type_path = os.path.join(self.conf_path, "type")
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# FIXME: should not be needed anywhere
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self.lib_path = os.path.join(self.base_path, "lib")
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# Local output
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self.out_path = out_path
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self.bin_path = os.path.join(self.out_path, "bin")
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self.global_explorer_out_path = os.path.join(self.out_path, "explorer")
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self.object_path = os.path.join(self.out_path, "object")
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self.log = logging.getLogger(self.target_host)
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def create_directories(self):
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self.mkdir(self.out_path)
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self.mkdir(self.global_explorer_out_path)
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self.mkdir(self.bin_path)
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def rmdir(self, path):
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"""Remove directory on the local side."""
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self.log.debug("Local rmdir: %s", path)
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shutil.rmtree(path)
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def mkdir(self, path):
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"""Create directory on the local side."""
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self.log.debug("Local mkdir: %s", path)
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# FIXME: dont set mode here, fix unittest mkdtemp instead
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os.makedirs(path, mode=0o700, exist_ok=True)
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def run(self, command, env=None, return_output=False):
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"""Run the given command with the given environment.
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Return the output as a string.
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"""
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assert isinstance(command, (list, tuple)), "list or tuple argument expected, got: %s" % command
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self.log.debug("Local run: %s", command)
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if env is None:
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env = os.environ.copy()
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# Export __target_host for use in __remote_{copy,exec} scripts
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env['__target_host'] = self.target_host
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try:
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if return_output:
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return subprocess.check_output(command, env=env).decode()
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else:
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subprocess.check_call(command, env=env)
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except subprocess.CalledProcessError:
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raise cdist.Error("Command failed: " + " ".join(command))
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except OSError as error:
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raise cdist.Error(" ".join(*args) + ": " + error.args[1])
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def run_script(self, script, env=None, return_output=False):
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"""Run the given script with the given environment.
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Return the output as a string.
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"""
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command = ["/bin/sh", "-e"]
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command.append(script)
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return self.run(command, env, return_output)
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def link_emulator(self, exec_path):
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"""Link emulator to types"""
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src = os.path.abspath(exec_path)
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for cdist_type in core.CdistType.list_types(self.type_path):
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dst = os.path.join(self.bin_path, cdist_type.name)
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self.log.debug("Linking emulator: %s to %s", src, dst)
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try:
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os.symlink(src, dst)
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except OSError as e:
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raise cdist.Error("Linking emulator from %s to %s failed: %s" % (src, dst, e.__str__()))
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