def check_location(self):
if self._location_is_path:
# We already mostly validated this
return True
else:
# This will throw an error for us
OSDistro.detectMediaDistro(location=self.location, arch=self.arch)
return True
def check_location(self):
if self._location_is_path:
# We already mostly validated this
return True
else:
# This will throw an error for us
OSDistro.detectMediaDistro(location=self.location, arch=self.arch)
return True
def _prepare_kernel_and_initrd(self, guest, meter):
disk = None
# If installing off a local path, map it through to a virtual CD/disk
if (self.location is not None and self._location_is_path
and not os.path.isdir(self.location)):
device = VirtualDisk.DEVICE_CDROM
# pylint: disable=W0212
# Access to protected member lookup_osdict_key
can_cdrom = guest._lookup_osdict_key('pv_cdrom_install')
# pylint: enable=W0212
if self.is_xenpv() and can_cdrom:
device = VirtualDisk.DEVICE_DISK
disk = VirtualDisk(conn=guest.conn,
device=device,
path=self.location,
readOnly=True,
transient=True)
# Make sure we always fetch kernel here if required
if self._install_bootconfig.kernel and not self.scratchdir_required():
return disk
# Need to fetch the kernel & initrd from a remote site, or
# out of a loopback mounted disk image/device
ignore, os_type, os_variant, media = OSDistro.getKernel(
guest, self.location, meter, self.scratchdir, self.os_type)
(kernelfn, initrdfn, args) = media
if guest.get_os_autodetect():
if os_type:
logging.debug("Auto detected OS type as: %s", os_type)
guest.os_type = os_type
if (os_variant and guest.os_type == os_type):
logging.debug("Auto detected OS variant as: %s", os_variant)
guest.os_variant = os_variant
self._tmpfiles.append(kernelfn)
if initrdfn:
self._tmpfiles.append(initrdfn)
if self._initrd_injections:
self._perform_initrd_injections(initrdfn)
# If required, upload media to an accessible guest location
kernelfn, initrdfn = self._upload_media(guest, meter, kernelfn,
initrdfn)
self._install_bootconfig.kernel = kernelfn
self._install_bootconfig.initrd = initrdfn
self._install_bootconfig.kernel_args = args
return disk
def detect_distro(self):
try:
dist_info = OSDistro.detectMediaDistro(location=self.location, arch=self.arch)
except:
logging.exception("Error attempting to detect distro.")
return (None, None)
# detectMediaDistro should only return valid values
dtype, dvariant = dist_info
return (dtype, dvariant)
def detect_distro(self):
try:
dist_info = OSDistro.detectMediaDistro(location=self.location,
arch=self.arch)
except:
logging.exception("Error attempting to detect distro.")
return (None, None)
# detectMediaDistro should only return valid values
dtype, dvariant = dist_info
return (dtype, dvariant)
def _getStore(self, fetcher, url, _type, arch):
for ignore in range(0, 10):
try:
return OSDistro._storeForDistro(fetcher=fetcher, baseuri=url,
progresscb=self.meter,
arch=arch, typ=_type)
except Exception, e:
if str(e).count("502"):
logging.debug("Caught proxy error: %s", str(e))
time.sleep(.5)
continue
raise
def _getStore(self, fetcher, url, _type, arch):
for ignore in range(0, 10):
try:
return OSDistro._storeForDistro(fetcher=fetcher, baseuri=url,
progresscb=self.meter,
arch=arch, typ=_type)
except Exception, e:
if str(e).count("502"):
logging.debug("Caught proxy error: %s", str(e))
time.sleep(.5)
continue
raise
def _prepare_kernel_and_initrd(self, guest, meter):
disk = None
# If installing off a local path, map it through to a virtual CD/disk
if self.location is not None and self._location_is_path and not os.path.isdir(self.location):
device = VirtualDisk.DEVICE_CDROM
# pylint: disable=W0212
# Access to protected member lookup_osdict_key
can_cdrom = guest._lookup_osdict_key("pv_cdrom_install")
# pylint: enable=W0212
if self.is_xenpv() and can_cdrom:
device = VirtualDisk.DEVICE_DISK
disk = VirtualDisk(conn=guest.conn, device=device, path=self.location, readOnly=True, transient=True)
# Make sure we always fetch kernel here if required
if self._install_bootconfig.kernel and not self.scratchdir_required():
return disk
# Need to fetch the kernel & initrd from a remote site, or
# out of a loopback mounted disk image/device
ignore, os_type, os_variant, media = OSDistro.getKernel(
guest, self.location, meter, self.scratchdir, self.os_type
)
(kernelfn, initrdfn, args) = media
if guest.get_os_autodetect():
if os_type:
logging.debug("Auto detected OS type as: %s", os_type)
guest.os_type = os_type
if os_variant and guest.os_type == os_type:
logging.debug("Auto detected OS variant as: %s", os_variant)
guest.os_variant = os_variant
self._tmpfiles.append(kernelfn)
if initrdfn:
self._tmpfiles.append(initrdfn)
if self._initrd_injections:
self._perform_initrd_injections(initrdfn)
# If required, upload media to an accessible guest location
kernelfn, initrdfn = self._upload_media(guest, meter, kernelfn, initrdfn)
self._install_bootconfig.kernel = kernelfn
self._install_bootconfig.initrd = initrdfn
self._install_bootconfig.kernel_args = args
return disk
def _fetchFromURLDict(self, distname, url, arch, distro_info, check_xen):
logging.debug("\nDistro='%s' arch='%s' url=%s", distname, arch, url)
fetcher = OSDistro._fetcherForURI(url, "/tmp")
try:
fetcher.prepareLocation()
except Exception, e:
# Don't raise an error here: the site might be down atm
logging.error("%s-%s: Couldn't access url %s: %s. Skipping.",
distname, arch, fetcher.location, str(e))
fetcher.cleanupLocation()
return
def _fetchFromURLDict(self, distname, url, arch, distro_info, check_xen):
logging.debug("\nDistro='%s' arch='%s' url=%s",
distname, arch, url)
fetcher = OSDistro._fetcherForURI(url, "/tmp")
try:
fetcher.prepareLocation()
except Exception, e:
# Don't raise an error here: the site might be down atm
logging.error("%s-%s: Couldn't access url %s: %s. Skipping.",
distname, arch, fetcher.location, str(e))
fetcher.cleanupLocation()
return
def _fetchLocalMedia(self, mediapath):
arch = platform.machine()
fetcher = OSDistro._fetcherForURI(mediapath, "/tmp")
try:
fetcher.prepareLocation()
# Make sure we detect _a_ distro
hvmstore = self._getStore(fetcher, mediapath, "hvm", arch)
logging.debug("Local distro detected as: %s", hvmstore)
finally:
fetcher.cleanupLocation()
def _fetchLocalMedia(self, mediapath):
arch = platform.machine()
fetcher = OSDistro._fetcherForURI(mediapath, "/tmp")
try:
fetcher.prepareLocation()
# Make sure we detect _a_ distro
hvmstore = self._getStore(fetcher, mediapath, "hvm", arch)
logging.debug("Local distro detected as: %s" % hvmstore)
finally:
fetcher.cleanupLocation()
def _prepare_cdrom(self, guest, meter):
transient = not self.livecd
if not self._location_is_path:
# Xen needs a boot.iso if its a http://, ftp://, or nfs: url
(store_ignore, os_type_ignore, os_variant_ignore, media) = OSDistro.getBootDisk(
guest, self.location, meter, self.scratchdir
)
cdrom = media
self._tmpfiles.append(cdrom)
transient = True
else:
cdrom = self.location
disk = VirtualDisk(
path=cdrom, conn=guest.conn, device=VirtualDisk.DEVICE_CDROM, readOnly=True, transient=transient
)
self.install_devices.append(disk)
def _prepare_cdrom(self, guest, meter):
transient = not self.livecd
if not self._location_is_path:
# Xen needs a boot.iso if its a http://, ftp://, or nfs: url
(store_ignore, os_type_ignore, os_variant_ignore,
media) = OSDistro.getBootDisk(guest, self.location, meter,
self.scratchdir)
cdrom = media
self._tmpfiles.append(cdrom)
transient = True
else:
cdrom = self.location
disk = VirtualDisk(path=cdrom,
conn=guest.conn,
device=VirtualDisk.DEVICE_CDROM,
readOnly=True,
transient=transient)
self.install_devices.append(disk)
