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### This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import sos.plugintools
import os, commands
from stat import *
class xen(sos.plugintools.PluginBase):
"""Xen related information
"""
def determineXenHost(self):
if os.access("/proc/acpi/dsdt", os.R_OK):
(status, output) = commands.getstatusoutput("/usr/bin/strings /proc/acpi/dsdt | grep -q int-xen")
if status == 0:
return "hvm"
if os.access("/proc/xen/capabilities", os.R_OK):
(status, output) = commands.getstatusoutput("grep -q control_d /proc/xen/capabilities")
if status == 0:
return "dom0"
else:
return "domU"
return "baremetal"
def checkenabled(self):
if self.determineXenHost() == "baremetal":
return False
return True
def domCollectProc(self):
self.addCopySpec("/proc/xen/balloon")
self.addCopySpec("/proc/xen/capabilities")
self.addCopySpec("/proc/xen/xsd_kva")
self.addCopySpec("/proc/xen/xsd_port")
# determine if CPU has PAE support
self.collectExtOutput("/bin/grep pae /proc/cpuinfo")
# determine if CPU has Intel-VT or AMD-V support
self.collectExtOutput("/bin/egrep -e 'vmx|svm' /proc/cpuinfo")
def setup(self):
host_type = self.determineXenHost()
if host_type == "domU":
# we should collect /proc/xen and /sys/hypervisor
self.domCollectProc()
# determine if hardware virtualization support is enabled
# in BIOS: /sys/hypervisor/properties/capabilities
self.addCopySpec("/sys/hypervisor")
elif host_type == "hvm":
# what do we collect here???
pass
elif host_type == "dom0":
# default of dom0, collect lots of system information
self.addCopySpec("/var/log/xen")
self.addCopySpec("/etc/xen")
self.collectExtOutput("/usr/bin/xenstore-ls")
self.collectExtOutput("/usr/sbin/xm dmesg")
self.collectExtOutput("/usr/sbin/xm info")
self.collectExtOutput("/usr/sbin/brctl show")
self.domCollectProc()
self.addCopySpec("/sys/hypervisor")
# FIXME: we *might* want to collect things in /sys/bus/xen*,
# /sys/class/xen*, /sys/devices/xen*, /sys/modules/blk*,
# /sys/modules/net*, but I've never heard of them actually being
# useful, so I'll leave it out for now
else:
# for bare-metal, we don't have to do anything special
return
self.addCustomText("Xen hostType: "+host_type)
return
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