cdist/lib/cdist/core/manifest.py

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# -*- coding: utf-8 -*-
#
# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
# 2011 Nico Schottelius (nico-cdist at schottelius.org)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
import logging
import os
import cdist
log = logging.getLogger(__name__)
'''
common:
runs only locally, does not need remote
env:
PATH: prepend directory with type emulator symlinks == local.bin_path
__target_host: the target host we are working on
__global: full qualified path to the global output dir == local.out_path
__cdist_manifest: full qualified path of the manifest == script
__cdist_type_base_path: full qualified path to the directory where types are defined for use in type emulator
== local.type_path
initial manifest is:
script: full qualified path to the initial manifest
env:
__manifest: path to .../conf/manifest/ == local.manifest_path
creates: new objects through type emulator
type manifeste is:
script: full qualified path to the type manifest
env:
__object: full qualified path to the object's dir
__object_id: the objects id
__object_fq: full qualified object id, iow: $type.name + / + object_id
__type: full qualified path to the type's dir
creates: new objects through type emulator
'''
class Manifest(object):
"""Executes cdist manifests.
"""
def __init__(self, target_host, local):
self.target_host = target_host
self.local = local
self.env = {
'PATH': "%s:%s" % (self.local.bin_path, os.environ['PATH']),
'__target_host': self.target_host,
'__global': self.local.out_path,
'__cdist_type_base_path': self.local.type_path, # for use in type emulator
}
def run_initial_manifest(self, script):
env = os.environ.copy()
env.update(self.env)
env['__manifest'] = self.local.manifest_path
env['__cdist_manifest'] = script
return self.local.run_script(script, env=env)
def run_type_manifest(self, cdist_object):
env = os.environ.copy()
env.update(self.env)
env.update({
'__object': cdist_object.absolute_path,
'__object_id': cdist_object.object_id,
'__object_fq': cdist_object.path,
'__type': cdist_object.type.absolute_path,
})
script = os.path.join(self.local.type_path, cdist_object.type.manifest_path)
return self.local.run_script(script, env=env)