forked from ungleich-public/cdist
167 lines
6.1 KiB
Python
167 lines
6.1 KiB
Python
# -*- coding: utf-8 -*-
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#
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# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
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# 2011-2013 Nico Schottelius (nico-cdist at schottelius.org)
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# 2014 Daniel Heule (hda at sfs.biz)
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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 cdist
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log = logging.getLogger(__name__)
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'''
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common:
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runs only locally, does not need remote
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env:
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PATH: prepend directory with type emulator symlinks == local.bin_path
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__target_host: the target host we are working on
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__cdist_manifest: full qualified path of the manifest == script
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__cdist_type_base_path: full qualified path to the directory where
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types are defined for use in type emulator
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== local.type_path
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gencode-local
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script: full qualified path to a types gencode-local
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env:
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__target_host: the target host we are working on
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__global: full qualified path to the global
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output dir == local.out_path
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__object: full qualified path to the object's dir
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__object_id: the objects id
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__object_fq: full qualified object id, iow: $type.name + / + object_id
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__type: full qualified path to the type's dir
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__files: full qualified path to the files dir
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returns: string containing the generated code or None
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gencode-remote
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script: full qualified path to a types gencode-remote
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env:
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__target_host: the target host we are working on
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__global: full qualified path to the global
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output dir == local.out_path
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__object: full qualified path to the object's dir
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__object_id: the objects id
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__object_fq: full qualified object id, iow: $type.name + / + object_id
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__type: full qualified path to the type's dir
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__files: full qualified path to the files dir
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returns: string containing the generated code or None
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code-local
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script: full qualified path to object's code-local
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- run script localy
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returns: string containing the output
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code-remote
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script: full qualified path to object's code-remote
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- copy script to remote
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- run script remotely
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returns: string containing the output
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'''
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class Code(object):
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"""Generates and executes cdist code scripts.
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"""
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def __init__(self, target_host, local, remote):
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self.target_host = target_host
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self.local = local
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self.remote = remote
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self.env = {
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'__target_host': self.target_host,
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'__global': self.local.base_path,
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'__files': self.local.files_path,
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}
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def _run_gencode(self, cdist_object, which):
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cdist_type = cdist_object.cdist_type
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script = os.path.join(self.local.type_path,
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getattr(cdist_type, 'gencode_%s_path' % which))
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if os.path.isfile(script):
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env = os.environ.copy()
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env.update(self.env)
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env.update({
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'__type': cdist_object.cdist_type.absolute_path,
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'__object': cdist_object.absolute_path,
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'__object_id': cdist_object.object_id,
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'__object_name': cdist_object.name,
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})
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message_prefix = cdist_object.name
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return self.local.run_script(script, env=env, return_output=True,
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message_prefix=message_prefix)
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def run_gencode_local(self, cdist_object):
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"""Run the gencode-local script for the given cdist object."""
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return self._run_gencode(cdist_object, 'local')
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def run_gencode_remote(self, cdist_object):
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"""Run the gencode-remote script for the given cdist object."""
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return self._run_gencode(cdist_object, 'remote')
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def transfer_code_remote(self, cdist_object):
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"""Transfer the code_remote script for the given object to the
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remote side."""
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source = os.path.join(self.local.object_path,
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cdist_object.code_remote_path)
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destination = os.path.join(self.remote.object_path,
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cdist_object.code_remote_path)
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# FIXME: BUG: do not create destination, but top level of destination!
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self.remote.mkdir(destination)
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self.remote.transfer(source, destination)
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def _run_code(self, cdist_object, which, env=None):
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which_exec = getattr(self, which)
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script = os.path.join(which_exec.object_path,
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getattr(cdist_object, 'code_%s_path' % which))
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return which_exec.run_script(script, env=env)
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def run_code_local(self, cdist_object):
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"""Run the code-local script for the given cdist object."""
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# Put some env vars, to allow read only access to the parameters
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# over $__object
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env = os.environ.copy()
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env.update(self.env)
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env.update({
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'__object': cdist_object.absolute_path,
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'__object_id': cdist_object.object_id,
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})
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return self._run_code(cdist_object, 'local', env=env)
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def run_code_remote(self, cdist_object):
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"""Run the code-remote script for the given cdist object on the
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remote side."""
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# Put some env vars, to allow read only access to the parameters
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# over $__object which is already on the remote side
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env = {
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'__object': os.path.join(self.remote.object_path,
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cdist_object.path),
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'__object_id': cdist_object.object_id,
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}
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return self._run_code(cdist_object, 'remote', env=env)
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