mirror of
https://github.com/virt-manager/virt-manager.git
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201 lines
8.3 KiB
Python
201 lines
8.3 KiB
Python
# Copyright (C) 2018 Red Hat, Inc.
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#
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# This work is licensed under the GNU GPLv2 or later.
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# See the COPYING file in the top-level directory.
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import logging
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import re
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import libvirt
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if not hasattr(libvirt, "VIR_DOMAIN_PMSUSPENDED"):
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setattr(libvirt, "VIR_DOMAIN_PMSUSPENDED", 7)
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class _LibvirtEnumMap(object):
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"""
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Helper for mapping libvirt event int values to their API names
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"""
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# Some values we define to distinguish between API objects
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(DOMAIN_EVENT,
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DOMAIN_AGENT_EVENT,
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NETWORK_EVENT,
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STORAGE_EVENT,
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NODEDEV_EVENT) = range(1, 6)
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# Regex map for naming all event types depending on the API object
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_EVENT_PREFIX = {
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DOMAIN_EVENT: "VIR_DOMAIN_EVENT_ID_",
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DOMAIN_AGENT_EVENT: "VIR_DOMAIN_EVENT_ID_AGENT_",
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NETWORK_EVENT: "VIR_NETWORK_EVENT_ID_",
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STORAGE_EVENT: "VIR_STORAGE_POOL_EVENT_ID_",
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NODEDEV_EVENT: "VIR_NODE_DEVICE_EVENT_ID_",
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}
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# Regex map for 'state' values returned from lifecycle and other events
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_DETAIL1_PREFIX = {
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"VIR_DOMAIN_EVENT_ID_LIFECYCLE": "VIR_DOMAIN_EVENT_[^_]+$",
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"VIR_DOMAIN_EVENT_ID_AGENT_LIFECYCLE": _("VIR_CONNECT_DOMAIN_EVENT_AGENT"
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"_LIFECYCLE_STATE_[^_]+$"),
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"VIR_NETWORK_EVENT_ID_LIFECYCLE": "VIR_NETWORK_EVENT_[^_]+$",
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"VIR_STORAGE_POOL_EVENT_ID_LIFECYCLE": "VIR_STORAGE_POOL_EVENT_[^_]+$",
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"VIR_NODE_DEVICE_EVENT_ID_LIFECYCLE": "VIR_NODE_DEVICE_EVENT_[^_]+$",
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}
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# Regex map for 'reason' values returned from lifecycle and other events
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_DETAIL2_PREFIX = {
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"VIR_DOMAIN_EVENT_DEFINED": "VIR_DOMAIN_EVENT_DEFINED_",
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"VIR_DOMAIN_EVENT_UNDEFINED": "VIR_DOMAIN_EVENT_UNDEFINED_",
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"VIR_DOMAIN_EVENT_STARTED": "VIR_DOMAIN_EVENT_STARTED_",
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"VIR_DOMAIN_EVENT_SUSPENDED": "VIR_DOMAIN_EVENT_SUSPENDED_",
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"VIR_DOMAIN_EVENT_RESUMED": "VIR_DOMAIN_EVENT_RESUMED_",
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"VIR_DOMAIN_EVENT_STOPPED": "VIR_DOMAIN_EVENT_STOPPED_",
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"VIR_DOMAIN_EVENT_SHUTDOWN": "VIR_DOMAIN_EVENT_SHUTDOWN_",
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"VIR_DOMAIN_EVENT_PMSUSPENDED": "VIR_DOMAIN_EVENT_PMSUSPENDED_",
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"VIR_DOMAIN_EVENT_CRASHED": "VIR_DOMAIN_EVENT_CRASHED_",
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}
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VM_STATUS_ICONS = {
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libvirt.VIR_DOMAIN_BLOCKED: "state_running",
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libvirt.VIR_DOMAIN_CRASHED: "state_shutoff",
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libvirt.VIR_DOMAIN_PAUSED: "state_paused",
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libvirt.VIR_DOMAIN_RUNNING: "state_running",
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libvirt.VIR_DOMAIN_SHUTDOWN: "state_shutoff",
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libvirt.VIR_DOMAIN_SHUTOFF: "state_shutoff",
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libvirt.VIR_DOMAIN_NOSTATE: "state_running",
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libvirt.VIR_DOMAIN_PMSUSPENDED: "state_paused",
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}
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@staticmethod
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def pretty_run_status(status, has_managed_save):
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if status == libvirt.VIR_DOMAIN_RUNNING:
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return _("Running")
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elif status == libvirt.VIR_DOMAIN_PAUSED:
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return _("Paused")
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elif status == libvirt.VIR_DOMAIN_SHUTDOWN:
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return _("Shutting Down")
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elif status == libvirt.VIR_DOMAIN_SHUTOFF:
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if has_managed_save:
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return _("Saved")
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else:
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return _("Shutoff")
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elif status == libvirt.VIR_DOMAIN_CRASHED:
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return _("Crashed")
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elif status == libvirt.VIR_DOMAIN_PMSUSPENDED:
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return _("Suspended")
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logging.debug("Unknown status %s, returning 'Unknown'", status)
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return _("Unknown")
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@staticmethod
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def pretty_status_reason(status, reason):
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def key(x, y):
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return getattr(libvirt, "VIR_DOMAIN_" + x, y)
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reasons = {
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libvirt.VIR_DOMAIN_RUNNING: {
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key("RUNNING_BOOTED", 1): _("Booted"),
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key("RUNNING_MIGRATED", 2): _("Migrated"),
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key("RUNNING_RESTORED", 3): _("Restored"),
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key("RUNNING_FROM_SNAPSHOT", 4): _("From snapshot"),
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key("RUNNING_UNPAUSED", 5): _("Unpaused"),
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key("RUNNING_MIGRATION_CANCELED", 6): _("Migration canceled"),
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key("RUNNING_SAVE_CANCELED", 7): _("Save canceled"),
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key("RUNNING_WAKEUP", 8): _("Event wakeup"),
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key("RUNNING_CRASHED", 9): _("Crashed"),
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},
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libvirt.VIR_DOMAIN_PAUSED: {
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key("PAUSED_USER", 1): _("User"),
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key("PAUSED_MIGRATION", 2): _("Migrating"),
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key("PAUSED_SAVE", 3): _("Saving"),
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key("PAUSED_DUMP", 4): _("Dumping"),
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key("PAUSED_IOERROR", 5): _("I/O error"),
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key("PAUSED_WATCHDOG", 6): _("Watchdog"),
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key("PAUSED_FROM_SNAPSHOT", 7): _("From snapshot"),
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key("PAUSED_SHUTTING_DOWN", 8): _("Shutting down"),
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key("PAUSED_SNAPSHOT", 9): _("Creating snapshot"),
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key("PAUSED_CRASHED", 10): _("Crashed"),
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},
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libvirt.VIR_DOMAIN_SHUTDOWN: {
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key("SHUTDOWN_USER", 1): _("User"),
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},
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libvirt.VIR_DOMAIN_SHUTOFF: {
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key("SHUTOFF_SHUTDOWN", 1): _("Shut Down"),
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key("SHUTOFF_DESTROYED", 2): _("Destroyed"),
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key("SHUTOFF_CRASHED", 3): _("Crashed"),
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key("SHUTOFF_MIGRATED", 4): _("Migrated"),
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key("SHUTOFF_SAVED", 5): _("Saved"),
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key("SHUTOFF_FAILED", 6): _("Failed"),
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key("SHUTOFF_FROM_SNAPSHOT", 7): _("From snapshot"),
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},
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libvirt.VIR_DOMAIN_CRASHED: {
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key("CRASHED_PANICKED", 1): _("Panicked"),
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}
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}
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return reasons.get(status) and reasons[status].get(reason)
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def __init__(self):
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self._mapping = {}
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def _make_map(self, regex):
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# Run the passed regex over dir(libvirt) output
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ret = {}
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for key in [a for a in dir(libvirt) if re.match(regex, a)]:
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val = getattr(libvirt, key)
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if type(val) is not int:
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logging.debug("libvirt regex=%s key=%s val=%s "
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"isn't an integer", regex, key, val)
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continue
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if val in ret:
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logging.debug("libvirt regex=%s key=%s val=%s is already "
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"in dict as key=%s", regex, key, val, regex[val])
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continue
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ret[val] = key
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return ret
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def _get_map(self, key, regex):
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if regex is None:
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return {}
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if key not in self._mapping:
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self._mapping[key] = self._make_map(regex)
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return self._mapping[key]
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def _make_strs(self, api, event, detail1, detail2):
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eventstr = str(event)
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detail1str = str(detail1)
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detail2str = str(detail2)
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eventmap = self._get_map(api, self._EVENT_PREFIX[api])
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if eventmap:
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if event not in eventmap:
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event = next(iter(eventmap))
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eventstr = eventmap[event]
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detail1map = self._get_map(eventstr,
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self._DETAIL1_PREFIX.get(eventstr))
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if detail1 in detail1map:
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detail1str = detail1map[detail1]
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detail2map = self._get_map(detail1str,
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self._DETAIL2_PREFIX.get(detail1str))
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if detail2 in detail2map:
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detail2str = detail2map[detail2]
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return eventstr, detail1str, detail2str
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def _state_str(self, api, detail1, detail2):
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ignore, d1str, d2str = self._make_strs(api, 0,
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detail1, detail2)
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return "state=%s reason=%s" % (d1str, d2str)
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def domain_lifecycle_str(self, detail1, detail2):
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return self._state_str(self.DOMAIN_EVENT, detail1, detail2)
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def network_lifecycle_str(self, detail1, detail2):
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return self._state_str(self.NETWORK_EVENT, detail1, detail2)
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def storage_lifecycle_str(self, detail1, detail2):
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return self._state_str(self.STORAGE_EVENT, detail1, detail2)
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def nodedev_lifecycle_str(self, detail1, detail2):
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return self._state_str(self.NODEDEV_EVENT, detail1, detail2)
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def domain_agent_lifecycle_str(self, detail1, detail2):
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return self._state_str(self.DOMAIN_AGENT_EVENT, detail1, detail2)
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LibvirtEnumMap = _LibvirtEnumMap()
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