97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
# This file is part of the sos project: https://github.com/sosreport/sos
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions of
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# version 2 of the GNU General Public License.
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#
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# See the LICENSE file in the source distribution for further information.
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import os
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import re
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from sos.report.plugins import Plugin, RedHatPlugin
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class Xen(Plugin, RedHatPlugin):
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short_desc = 'Xen virtualization'
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plugin_name = 'xen'
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profiles = ('virt',)
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def determine_xen_host(self):
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""" Determine xen host type """
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if os.access("/proc/acpi/dsdt", os.R_OK):
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result = self.exec_cmd("grep -qi xen /proc/acpi/dsdt")
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if result['status'] == 0:
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return "hvm"
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if os.access("/proc/xen/capabilities", os.R_OK):
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result = self.exec_cmd("grep -q control_d /proc/xen/capabilities")
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if result['status'] == 0:
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return "dom0"
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return "domU"
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return "baremetal"
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def check_enabled(self):
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return self.determine_xen_host() == "baremetal"
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def is_running_xenstored(self):
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""" Check if xenstored is running """
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xs_pid = self.exec_cmd("pidof xenstored")['output']
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xs_pidnum = re.split('\n$', xs_pid)[0]
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return xs_pidnum.isdigit()
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def dom_collect_proc(self):
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""" Collect /proc/xen """
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self.add_copy_spec([
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"/proc/xen/balloon",
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"/proc/xen/capabilities",
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"/proc/xen/xsd_kva",
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"/proc/xen/xsd_port"])
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# determine if CPU has PAE support
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self.add_cmd_output("grep pae /proc/cpuinfo")
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# determine if CPU has Intel-VT or AMD-V support
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self.add_cmd_output("egrep -e 'vmx|svm' /proc/cpuinfo")
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def setup(self):
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host_type = self.determine_xen_host()
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if host_type == "domU":
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# we should collect /proc/xen and /sys/hypervisor
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self.dom_collect_proc()
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# determine if hardware virtualization support is enabled
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# in BIOS: /sys/hypervisor/properties/capabilities
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self.add_copy_spec("/sys/hypervisor")
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elif host_type == "hvm":
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# what do we collect here???
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pass
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elif host_type == "dom0":
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# default of dom0, collect lots of system information
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self.add_copy_spec([
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"/var/log/xen",
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"/etc/xen",
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"/sys/hypervisor/version",
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"/sys/hypervisor/compilation",
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"/sys/hypervisor/properties",
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"/sys/hypervisor/type"])
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self.add_cmd_output([
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"xm dmesg",
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"xm info",
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"xm list",
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"xm list --long",
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"bridge link show"
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])
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self.dom_collect_proc()
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if self.is_running_xenstored():
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self.add_copy_spec("/sys/hypervisor/uuid")
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self.add_cmd_output("xenstore-ls")
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else:
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# we need tdb instead of xenstore-ls if cannot get it.
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self.add_copy_spec("/var/lib/xenstored/tdb")
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else:
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# for bare-metal, we don't have to do anything special
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return # USEFUL
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self.add_custom_text("Xen hostType: "+host_type)
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# vim: set et ts=4 sw=4 :
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