Gestionnaire de fichiers - Editer - /usr/lib/python2.7/site-packages/cloudinit/cloud.py
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# Copyright (C) 2012 Canonical Ltd. # Copyright (C) 2012 Hewlett-Packard Development Company, L.P. # Copyright (C) 2012 Yahoo! Inc. # # This file is part of cloud-init. See LICENSE file for license information. import copy import os from cloudinit import log as logging from cloudinit.reporting import events LOG = logging.getLogger(__name__) # This class is the high level wrapper that provides # access to cloud-init objects without exposing the stage objects # to handler and or module manipulation. It allows for cloud # init to restrict what those types of user facing code may see # and or adjust (which helps avoid code messing with each other) # # It also provides util functions that avoid having to know # how to get a certain member from this submembers as well # as providing a backwards compatible object that can be maintained # while the stages/other objects can be worked on independently... class Cloud(object): def __init__(self, datasource, paths, cfg, distro, runners, reporter=None): self.datasource = datasource self.paths = paths self.distro = distro self._cfg = cfg self._runners = runners if reporter is None: reporter = events.ReportEventStack( name="unnamed-cloud-reporter", description="unnamed-cloud-reporter", reporting_enabled=False) self.reporter = reporter # If a 'user' manipulates logging or logging services # it is typically useful to cause the logging to be # setup again. def cycle_logging(self): logging.resetLogging() logging.setupLogging(self.cfg) @property def cfg(self): # Ensure that cfg is not indirectly modified return copy.deepcopy(self._cfg) def run(self, name, functor, args, freq=None, clear_on_fail=False): return self._runners.run(name, functor, args, freq, clear_on_fail) def get_template_filename(self, name): fn = self.paths.template_tpl % (name) if not os.path.isfile(fn): LOG.warning("No template found in %s for template named %s", os.path.dirname(fn), name) return None return fn # The rest of these are just useful proxies def get_userdata(self, apply_filter=True): return self.datasource.get_userdata(apply_filter) def get_instance_id(self): return self.datasource.get_instance_id() @property def launch_index(self): return self.datasource.launch_index def get_public_ssh_keys(self): return self.datasource.get_public_ssh_keys() def get_locale(self): return self.datasource.get_locale() def get_hostname(self, fqdn=False, metadata_only=False): return self.datasource.get_hostname( fqdn=fqdn, metadata_only=metadata_only) def device_name_to_device(self, name): return self.datasource.device_name_to_device(name) def get_ipath_cur(self, name=None): return self.paths.get_ipath_cur(name) def get_cpath(self, name=None): return self.paths.get_cpath(name) def get_ipath(self, name=None): return self.paths.get_ipath(name) # vi: ts=4 expandtab
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