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osdict: Add helpers for device filtering

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This commit is contained in:
Cole Robinson 2018-09-01 11:13:23 -04:00
parent 4e63267a4f
commit 717cd87b16
1 changed files with 27 additions and 52 deletions
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79
virtinst/osdict.py
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@ -259,6 +259,24 @@ class _OsVariant(object):
return False
def _get_all_devices(self):
if not self._os:
return []
devlist = self._os.get_all_devices()
return [devlist.get_nth(i) for i in range(devlist.get_length())]
def _device_filter(self, name=None, cls=None, bus=None):
ret = []
for dev in self._get_all_devices():
if name and not re.match(name, dev.get_name()):
continue
if cls and not re.match(cls, dev.get_class()):
continue
if bus and not re.match(bus, dev.get_bus_type()):
continue
ret.append(dev.get_name())
return ret
###############
# Cached APIs #
@ -318,73 +336,30 @@ class _OsVariant(object):
return "localtime"
return "utc"
def supports_qemu_ga(self):
return self._is_related_to(
["debian8", "fedora18", "rhel6.0", "sles11sp4"])
def default_netmodel(self):
"""
Default non-virtio net-model, since we check for that separately
"""
if not self._os:
return None
fltr = libosinfo.Filter()
fltr.add_constraint("class", "net")
devs = self._os.get_all_devices(fltr)
for idx in range(devs.get_length()):
devname = devs.get_nth(idx).get_name()
for devname in self._device_filter(cls="net"):
if devname in ["pcnet", "ne2k_pci", "rtl8139", "e1000"]:
return devname
return None
def supports_usbtablet(self):
if not self._os:
return False
fltr = libosinfo.Filter()
fltr.add_constraint("class", "input")
fltr.add_constraint("name", "tablet")
devs = self._os.get_all_devices(fltr)
for idx in range(devs.get_length()):
if devs.get_nth(idx).get_bus_type() == "usb":
return True
return False
return bool(self._device_filter(cls="input", name="tablet", bus="usb"))
def supports_virtiodisk(self):
if self._os:
fltr = libosinfo.Filter()
fltr.add_constraint("class", "block")
devs = self._os.get_all_devices(fltr)
for dev in range(devs.get_length()):
d = devs.get_nth(dev)
if d.get_name() == "virtio-block":
return True
return False
return bool(self._device_filter(cls="block", name="virtio-block"))
def supports_virtionet(self):
if self._os:
fltr = libosinfo.Filter()
fltr.add_constraint("class", "net")
devs = self._os.get_all_devices(fltr)
for dev in range(devs.get_length()):
d = devs.get_nth(dev)
if d.get_name() == "virtio-net":
return True
return False
return bool(self._device_filter(cls="net", name="virtio-net"))
def supports_virtiorng(self):
if self._os:
fltr = libosinfo.Filter()
fltr.add_constraint("class", "rng")
devs = self._os.get_all_devices(fltr)
for dev in range(devs.get_length()):
d = devs.get_nth(dev)
if d.get_name() == "virtio-rng":
return True
return False
def supports_qemu_ga(self):
return self._is_related_to(["debian8", "fedora18", "rhel6.0", "sles11sp4"])
return bool(self._device_filter(cls="rng", name="virtio-rng"))
def default_videomodel(self, guest):
if guest.os.is_pseries():