diff options
Diffstat (limited to 'cloudinit/stages.py')
| -rw-r--r-- | cloudinit/stages.py | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/cloudinit/stages.py b/cloudinit/stages.py index dbcf3d55..edad6450 100644 --- a/cloudinit/stages.py +++ b/cloudinit/stages.py @@ -140,7 +140,7 @@ class Init(object): ] return initial_dirs - def purge_cache(self, rm_instance_lnk=True): + def purge_cache(self, rm_instance_lnk=False): rm_list = [] rm_list.append(self.paths.boot_finished) if rm_instance_lnk: @@ -238,21 +238,29 @@ class Init(object): cfg_list = self.cfg.get('datasource_list') or [] return (cfg_list, pkg_list) - def _get_data_source(self): + def _get_data_source(self, existing): if self.datasource is not NULL_DATA_SOURCE: return self.datasource with events.ReportEventStack( name="check-cache", - description="attempting to read from cache", + description="attempting to read from cache [%s]" % existing, parent=self.reporter) as myrep: ds = self._restore_from_cache() - if ds: - LOG.debug("Restored from cache, datasource: %s", ds) - myrep.description = "restored from cache" + if ds and existing == "trust": + myrep.description = "restored from cache: %s" % ds + elif ds and existing == "check": + if hasattr(ds, 'check_instance_id') and ds.check_instance_id(): + myrep.description = "restored from checked cache: %s" % ds + else: + myrep.description = "cache invalid in datasource: %s" % ds + ds = None else: myrep.description = "no cache found" + LOG.debug(myrep.description) + if not ds: + util.del_file(self.paths.instance_link) (cfg_list, pkg_list) = self._get_datasources() # Deep copy so that user-data handlers can not modify # (which will affect user-data handlers down the line...) @@ -332,8 +340,8 @@ class Init(object): self._reset() return iid - def fetch(self): - return self._get_data_source() + def fetch(self, existing="check"): + return self._get_data_source(existing=existing) def instancify(self): return self._reflect_cur_instance() |