97 lines
3.4 KiB
Python
97 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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#
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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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import logging
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import subprocess
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import cdist
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class Wrapper(object):
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def __init__(self, target_host, remote_exec, remote_copy):
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self.target_host = target_host
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self.remote_exec = remote_exec
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self.remote_copy = remote_copy
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self.log = logging.getLogger(self.target_host)
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def remote_mkdir(self, directory):
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"""Create directory on remote side"""
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self.run_or_fail(["mkdir", "-p", directory], remote=True)
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def remove_remote_path(self, destination):
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"""Ensure path on remote side vanished"""
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self.run_or_fail(["rm", "-rf", destination], remote=True)
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def transfer_path(self, source, destination):
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"""Transfer directory and previously delete the remote destination"""
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self.remove_remote_path(destination)
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self.run_or_fail(self.remote_copy.split() +
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["-r", source, self.target_host + ":" + destination])
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def shell_run_or_debug_fail(self, script, *args, remote=False, **kargs):
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# Manually execute /bin/sh, because sh -e does what we want
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# and sh -c -e does not exit if /bin/false called
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args[0][:0] = [ "/bin/sh", "-e" ]
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if remote:
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remote_prefix = self.remote_exec.split()
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remote_prefix.append(self.target_host)
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args[0][:0] = remote_prefix
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self.log.debug("Shell exec cmd: %s", args)
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if 'env' in kargs:
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self.log.debug("Shell exec env: %s", kargs['env'])
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try:
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subprocess.check_call(*args, **kargs)
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except subprocess.CalledProcessError:
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self.log.error("Code that raised the error:\n")
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if remote:
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self.run_or_fail(["cat", script], remote=remote)
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else:
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try:
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script_fd = open(script)
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print(script_fd.read())
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script_fd.close()
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except IOError as error:
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raise cdist.Error(str(error))
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raise cdist.Error("Command failed (shell): " + " ".join(*args))
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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_or_fail(self, *args, remote=False, **kargs):
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if remote:
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remote_prefix = self.remote_exec.split()
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remote_prefix.append(self.target_host)
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args[0][:0] = remote_prefix
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self.log.debug("Exec: " + " ".join(*args))
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try:
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subprocess.check_call(*args, **kargs)
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except subprocess.CalledProcessError:
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raise cdist.Error("Command failed: " + " ".join(*args))
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except OSError as error:
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raise cdist.Error(" ".join(*args) + ": " + error.args[1])
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