# -*- coding: utf-8 -*- # # 2011 Steven Armstrong (steven-cdist at armstrong.cc) # 2011-2013 Nico Schottelius (nico-cdist at schottelius.org) # 2014 Daniel Heule (hda at sfs.biz) # # 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 . # # import os import cdist ''' 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 __target_hostname: the target hostname provided from __target_host __target_fqdn: the target's fully qualified domain name provided from __target_host __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 gencode-local script: full qualified path to a types gencode-local env: __target_host: the target host we are working on __target_hostname: the target hostname provided from __target_host __target_fqdn: the target's fully qualified domain name provided from __target_host __global: full qualified path to the global output dir == local.out_path __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 __files: full qualified path to the files dir __target_host_tags: comma spearated list of host tags returns: string containing the generated code or None gencode-remote script: full qualified path to a types gencode-remote env: __target_host: the target host we are working on __target_hostname: the target hostname provided from __target_host __target_fqdn: the target's fully qualified domain name provided from __target_host __global: full qualified path to the global output dir == local.out_path __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 __files: full qualified path to the files dir __target_host_tags: comma spearated list of host tags returns: string containing the generated code or None code-local script: full qualified path to object's code-local - run script localy returns: string containing the output code-remote script: full qualified path to object's code-remote - copy script to remote - run script remotely returns: string containing the output ''' class Code(object): """Generates and executes cdist code scripts. """ # target_host is tuple (target_host, target_hostname, target_fqdn) def __init__(self, target_host, local, remote): self.target_host = target_host self.local = local self.remote = remote self.env = { '__target_host': self.target_host[0], '__target_hostname': self.target_host[1], '__target_fqdn': self.target_host[2], '__global': self.local.base_path, '__files': self.local.files_path, '__target_host_tags': self.local.target_host_tags, } def _run_gencode(self, cdist_object, which): cdist_type = cdist_object.cdist_type script = os.path.join(self.local.type_path, getattr(cdist_type, 'gencode_%s_path' % which)) if os.path.isfile(script): env = os.environ.copy() env.update(self.env) env.update({ '__type': cdist_object.cdist_type.absolute_path, '__object': cdist_object.absolute_path, '__object_id': cdist_object.object_id, '__object_name': cdist_object.name, }) message_prefix = cdist_object.name return self.local.run_script(script, env=env, return_output=True, message_prefix=message_prefix) def run_gencode_local(self, cdist_object): """Run the gencode-local script for the given cdist object.""" return self._run_gencode(cdist_object, 'local') def run_gencode_remote(self, cdist_object): """Run the gencode-remote script for the given cdist object.""" return self._run_gencode(cdist_object, 'remote') def transfer_code_remote(self, cdist_object): """Transfer the code_remote script for the given object to the remote side.""" source = os.path.join(self.local.object_path, cdist_object.code_remote_path) destination = os.path.join(self.remote.object_path, cdist_object.code_remote_path) self.remote.mkdir(os.path.dirname(destination)) self.remote.transfer(source, destination) def _run_code(self, cdist_object, which, env=None): which_exec = getattr(self, which) script = os.path.join(which_exec.object_path, getattr(cdist_object, 'code_%s_path' % which)) return which_exec.run_script(script, env=env) def run_code_local(self, cdist_object): """Run the code-local script for the given cdist object.""" # Put some env vars, to allow read only access to the parameters # over $__object env = os.environ.copy() env.update(self.env) env.update({ '__object': cdist_object.absolute_path, '__object_id': cdist_object.object_id, }) return self._run_code(cdist_object, 'local', env=env) def run_code_remote(self, cdist_object): """Run the code-remote script for the given cdist object on the remote side.""" # Put some env vars, to allow read only access to the parameters # over $__object which is already on the remote side env = { '__object': os.path.join(self.remote.object_path, cdist_object.path), '__object_id': cdist_object.object_id, } return self._run_code(cdist_object, 'remote', env=env)