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Support Commands reverting

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This commit is contained in:
HanzZ 2012-04-06 11:18:03 +02:00
parent 55889db0b0
commit b21a9bb990
1 changed files with 29 additions and 4 deletions
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33
tuned/commands/repository.py
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@ -13,21 +13,46 @@ class CommandRepository(tuned.patterns.Singleton):
self._loader = tuned.utils.PluginLoader("tuned.commands", "command_", tuned.plugins.Command)
self._commands = {}
def execute(self, command_name, args):
storage = tuned.utils.storage.Storage.get_instance()
if storage.data.has_key("commands"):
for command_name, args in data["sysctl"].iteritems():
self._execute(command_name, args)
storage.data["commands"] = {}
def _execute(self, command_name, args):
# Load command on-the-fly
if not self._commands.has_key(command_name):
self._load_command(command_name)
# Execute command and get the previously set values.
log.debug("executing command %s with args %s" % (command_name, unicode(args)))
previous_args = self._commands[command_name].execute(args)
return self._commands[command_name].execute(args)
def execute(self, command_name, args):
previous_args = self._execute(command_name, args)
# Store the previously set values
storage = tuned.utils.storage.Storage.get_instance()
storage.data[command_name] = previous_args
if not storage.data["commands"].has_key(command_name)
storage.data["commands"][command_name] = previous_args
storage.save()
else:
#TODO: Maybe do not even allow running execute twice
# in a row and show error instead?
pass
def revert(self, command_name):
storage = tuned.utils.storage.Storage.get_instance()
if not storage.data["commands"].has_key(command_name):
return
self._execute(command_name, storage.data["commands"][command_name])
del storage.data["commands"][command_name]
storage.save()
def _load_command(self, command_name)
def _load_command(self, command_name):
log.debug("loading command %s" % command_name)
try:
command_cls = self._loader.load(command_name)