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#
# List of OS Specific data
#
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# Copyright 2006-2008, 2013-2014 Red Hat, Inc.
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# Jeremy Katz <katzj@redhat.com>
#
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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 time
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import gi
gi . require_version ( ' Libosinfo ' , ' 1.0 ' )
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from gi . repository import Libosinfo as libosinfo
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from gi . repository import GLib
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###################
# Sorting helpers #
###################
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def _sort ( tosort ) :
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sortby_mappings = { }
distro_mappings = { }
retlist = [ ]
for key , osinfo in tosort . items ( ) :
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# Libosinfo has some duplicate version numbers here, so append .1
# if there's a collision
sortby = osinfo . sortby
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while sortby_mappings . get ( sortby ) :
sortby = sortby + " .1 "
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sortby_mappings [ sortby ] = key
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# Group distros by their urldistro value first, so debian is clumped
# together, and fedora, etc.
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distro = osinfo . urldistro or " zzzzzzz "
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if distro not in distro_mappings :
distro_mappings [ distro ] = [ ]
distro_mappings [ distro ] . append ( sortby )
# We want returned lists to be sorted descending by 'distro', so we get
# debian5, debian4, fedora14, fedora13
# rather than
# debian4, debian5, fedora13, fedora14
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for distro_list in list ( distro_mappings . values ( ) ) :
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distro_list . sort ( )
distro_list . reverse ( )
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sorted_distro_list = list ( distro_mappings . keys ( ) )
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sorted_distro_list . sort ( )
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# Build the final list of sorted os objects
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for distro in sorted_distro_list :
distro_list = distro_mappings [ distro ]
for key in distro_list :
orig_key = sortby_mappings [ key ]
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retlist . append ( tosort [ orig_key ] )
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return retlist
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class _OSDB ( object ) :
"""
Entry point for the public API
"""
def __init__ ( self ) :
self . __os_loader = None
self . __all_variants = None
# This is only for back compatibility with pre-libosinfo support.
# This should never change.
_aliases = {
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" altlinux " : " altlinux1.0 " ,
" debianetch " : " debian4 " ,
" debianlenny " : " debian5 " ,
" debiansqueeze " : " debian6 " ,
" debianwheezy " : " debian7 " ,
" freebsd10 " : " freebsd10.0 " ,
" freebsd6 " : " freebsd6.0 " ,
" freebsd7 " : " freebsd7.0 " ,
" freebsd8 " : " freebsd8.0 " ,
" freebsd9 " : " freebsd9.0 " ,
" mandriva2009 " : " mandriva2009.0 " ,
" mandriva2010 " : " mandriva2010.0 " ,
" mbs1 " : " mbs1.0 " ,
" msdos " : " msdos6.22 " ,
" openbsd4 " : " openbsd4.2 " ,
" opensolaris " : " opensolaris2009.06 " ,
" opensuse11 " : " opensuse11.4 " ,
" opensuse12 " : " opensuse12.3 " ,
" rhel4 " : " rhel4.0 " ,
" rhel5 " : " rhel5.0 " ,
" rhel6 " : " rhel6.0 " ,
" rhel7 " : " rhel7.0 " ,
" ubuntuhardy " : " ubuntu8.04 " ,
" ubuntuintrepid " : " ubuntu8.10 " ,
" ubuntujaunty " : " ubuntu9.04 " ,
" ubuntukarmic " : " ubuntu9.10 " ,
" ubuntulucid " : " ubuntu10.04 " ,
" ubuntumaverick " : " ubuntu10.10 " ,
" ubuntunatty " : " ubuntu11.04 " ,
" ubuntuoneiric " : " ubuntu11.10 " ,
" ubuntuprecise " : " ubuntu12.04 " ,
" ubuntuquantal " : " ubuntu12.10 " ,
" ubunturaring " : " ubuntu13.04 " ,
" ubuntusaucy " : " ubuntu13.10 " ,
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" virtio26 " : " fedora10 " ,
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" vista " : " winvista " ,
" winxp64 " : " winxp " ,
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# Old --os-type values
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" linux " : " generic " ,
" windows " : " winxp " ,
" solaris " : " solaris10 " ,
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" unix " : " freebsd9.0 " ,
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" other " : " generic " ,
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}
#################
# Internal APIs #
#################
def _make_default_variants ( self ) :
ret = { }
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# Generic variant
v = _OsVariant ( None )
ret [ v . name ] = v
return ret
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@property
def _os_loader ( self ) :
if not self . __os_loader :
loader = libosinfo . Loader ( )
loader . process_default_path ( )
self . __os_loader = loader
return self . __os_loader
@property
def _all_variants ( self ) :
if not self . __all_variants :
loader = self . _os_loader
allvariants = self . _make_default_variants ( )
db = loader . get_db ( )
oslist = db . get_os_list ( )
for os in range ( oslist . get_length ( ) ) :
osi = _OsVariant ( oslist . get_nth ( os ) )
allvariants [ osi . name ] = osi
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self . __all_variants = allvariants
return self . __all_variants
###############
# Public APIs #
###############
def lookup_os ( self , key ) :
key = self . _aliases . get ( key ) or key
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return self . _all_variants . get ( key )
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def lookup_os_by_media ( self , location ) :
media = libosinfo . Media . create_from_location ( location , None )
ret = self . _os_loader . get_db ( ) . guess_os_from_media ( media )
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if not ( ret and len ( ret ) > 0 and ret [ 0 ] ) :
return None
osname = ret [ 0 ] . get_short_id ( )
if osname == " fedora-unknown " :
osname = self . latest_fedora_version ( )
logging . debug ( " Detected location= %s as os=fedora-unknown. "
" Converting that to the latest fedora OS version= %s " ,
location , osname )
return osname
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def list_os ( self ) :
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"""
List all OSes in the DB
"""
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sortmap = { }
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for name , osobj in self . _all_variants . items ( ) :
sortmap [ name ] = osobj
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return _sort ( sortmap )
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def latest_regex ( self , regex ) :
"""
Return the latest distro name that matches the passed regex
"""
oses = [ o . name for o in self . list_os ( ) if re . match ( regex , o . name ) ]
if not oses :
return None
return oses [ 0 ]
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def latest_fedora_version ( self ) :
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return self . latest_regex ( " fedora[0-9]+ " )
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#####################
# OsVariant classes #
#####################
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class _OsVariant ( object ) :
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def __init__ ( self , o ) :
self . _os = o
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self . _family = self . _os and self . _os . get_family ( ) or None
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self . name = self . _os and self . _os . get_short_id ( ) or " generic "
self . label = self . _os and self . _os . get_name ( ) or " Generic "
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self . codename = self . _os and self . _os . get_codename ( ) or " "
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self . distro = self . _os and self . _os . get_distro ( ) or " "
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self . eol = self . _get_eol ( )
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self . sortby = self . _get_sortby ( )
self . urldistro = self . _get_urldistro ( )
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########################
# Internal helper APIs #
########################
def _is_related_to ( self , related_os_list , os = None ,
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check_derives = True , check_upgrades = True , check_clones = True ) :
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os = os or self . _os
if not os :
return False
if os . get_short_id ( ) in related_os_list :
return True
check_list = [ ]
def _extend ( newl ) :
for obj in newl :
if obj not in check_list :
check_list . append ( obj )
if check_derives :
_extend ( os . get_related (
libosinfo . ProductRelationship . DERIVES_FROM ) . get_elements ( ) )
if check_clones :
_extend ( os . get_related (
libosinfo . ProductRelationship . CLONES ) . get_elements ( ) )
if check_upgrades :
_extend ( os . get_related (
libosinfo . ProductRelationship . UPGRADES ) . get_elements ( ) )
for checkobj in check_list :
if ( checkobj . get_short_id ( ) in related_os_list or
self . _is_related_to ( related_os_list , os = checkobj ,
check_upgrades = check_upgrades ,
check_derives = check_derives ,
check_clones = check_clones ) ) :
return True
return False
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###############
# Cached APIs #
###############
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def _get_eol ( self ) :
eol = self . _os and self . _os . get_eol_date ( ) or None
rel = self . _os and self . _os . get_release_date ( ) or None
# End of life if an EOL date is present and has past,
# or if the release date is present and was 5 years or more
if eol is not None :
now = GLib . Date ( )
now . set_time_t ( time . time ( ) )
if eol . compare ( now ) < 0 :
return True
elif rel is not None :
then = GLib . Date ( )
then . set_time_t ( time . time ( ) )
then . subtract_years ( 5 )
if rel . compare ( then ) < 0 :
return True
return False
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def _get_sortby ( self ) :
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if not self . _os :
return " 1 "
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version = self . _os . get_version ( )
try :
t = version . split ( " . " )
t = t [ : min ( 4 , len ( t ) ) ] + [ 0 ] * ( 4 - min ( 4 , len ( t ) ) )
new_version = " "
for n in t :
new_version = new_version + ( " %.4i " % int ( n ) )
version = new_version
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except Exception :
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pass
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return " %s - %s " % ( self . distro , version )
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def _get_urldistro ( self ) :
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if not self . _os :
return None
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urldistro = self . distro
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remap = {
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" opensuse " : " suse " ,
" sles " : " suse " ,
" mes " : " mandriva "
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}
if remap . get ( urldistro ) :
return remap [ urldistro ]
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return urldistro
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###############
# Public APIs #
###############
def is_windows ( self ) :
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return self . _family in [ ' win9x ' , ' winnt ' , ' win16 ' ]
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def broken_x2apic ( self ) :
# x2apic breaks networking in solaris10
# https://bugs.launchpad.net/bugs/1395217
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return self . name in ( ' solaris10 ' , ' solaris11 ' )
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def get_clock ( self ) :
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if self . is_windows ( ) or self . _family in [ ' solaris ' ] :
return " localtime "
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return " utc "
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 ( )
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if devname in [ " pcnet " , " ne2k_pci " , " rtl8139 " , " e1000 " ] :
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return devname
return None
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def supports_usbtablet ( self ) :
if not self . _os :
return False
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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
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def supports_virtiodisk ( self ) :
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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
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return False
def supports_virtionet ( self ) :
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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
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return False
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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
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def supports_qemu_ga ( self ) :
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return self . _is_related_to ( [ " debian8 " , " fedora18 " , " rhel6.0 " , " sles11sp4 " ] )
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def default_videomodel ( self , guest ) :
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if guest . os . is_pseries ( ) :
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return " vga "
if guest . has_spice ( ) and guest . os . is_x86 ( ) :
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if guest . has_gl ( ) :
return " virtio "
else :
return " qxl "
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if self . is_windows ( ) :
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return " vga "
return None
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def get_recommended_resources ( self , guest ) :
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ret = { }
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if not self . _os :
return ret
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def read_resource ( resources , minimum , arch ) :
# If we are reading the "minimum" block, allocate more
# resources.
ram_scale = minimum and 2 or 1
n_cpus_scale = minimum and 2 or 1
storage_scale = minimum and 2 or 1
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for i in range ( resources . get_length ( ) ) :
r = resources . get_nth ( i )
if r . get_architecture ( ) == arch :
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ret [ " ram " ] = r . get_ram ( ) * ram_scale
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ret [ " cpu " ] = r . get_cpu ( )
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ret [ " n-cpus " ] = r . get_n_cpus ( ) * n_cpus_scale
ret [ " storage " ] = r . get_storage ( ) * storage_scale
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break
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# libosinfo may miss the recommended resources block for some OS,
# in this case read first the minimum resources (if present)
# and use them.
read_resource ( self . _os . get_minimum_resources ( ) , True , " all " )
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read_resource ( self . _os . get_minimum_resources ( ) , True , guest . os . arch )
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read_resource ( self . _os . get_recommended_resources ( ) , False , " all " )
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read_resource ( self . _os . get_recommended_resources ( ) ,
False , guest . os . arch )
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# QEMU TCG doesn't gain anything by having extra VCPUs
if guest . type == " qemu " :
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ret [ " n-cpus " ] = 1
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return ret
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OSDB = _OSDB ( )