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disk plugin: switch to hotpluggable base, implement necessary switching

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This commit is contained in:
Jan Vcelak 2013-01-22 20:41:06 +01:00
parent d658c5f769
commit e227c9ed78
1 changed files with 23 additions and 2 deletions
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25
tuned/plugins/plugin_disk.py
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@ -1,4 +1,4 @@
import base
import hotplug
from decorators import *
import tuned.logs
import tuned.utils.commands
@ -7,7 +7,7 @@ import re
log = tuned.logs.get()
class DiskPlugin(base.Plugin):
class DiskPlugin(hotplug.Plugin):
"""
Plugin for tuning options of disks.
"""
@ -36,6 +36,27 @@ class DiskPlugin(base.Plugin):
and device.parent is not None \
and device.parent.subsystem in ["scsi", "virtio"]
def _hardware_events_init(self):
self._hardware_inventory.subscribe(self, "block", self._hardware_events_callback)
def _hardware_events_cleanup(self):
self._hardware_inventory.unsubscribe(self)
def _hardware_events_callback(self, event, device):
if self._device_is_supported(device):
super(self.__class__, self)._hardware_events_callback(event, device)
def _added_device_apply_tuning(self, instance, device_name):
if instance._load_monitor is not None:
log.critical("%s" % device_name)
instance._load_monitor.add_device(device_name)
super(self.__class__, self)._added_device_apply_tuning(instance, device_name)
def _removed_device_unapply_tuning(self, instance, device_name):
if instance._load_monitor is not None:
instance._load_monitor.remove_device(device_name)
super(self.__class__, self)._removed_device_unapply_tuning(instance, device_name)
def _get_config_options(cls):
return {
"dynamic" : True, # FIXME: do we want this default?