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entropy/client/triggerTools.py
(no author) a1c2fe3f95 modules reduction and various fixes/improvements 
git-svn-id: http://svn.sabayonlinux.org/projects/entropy/trunk@656 cd1c1023-2f26-0410-ae45-c471fc1f0318
2007-11-11 16:11:05 +00:00

772 lines
25 KiB
Python
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#!/usr/bin/python
'''
# DESCRIPTION:
# Equo general purpose triggering scripts for pre/post install and remove
Copyright (C) 2007 Fabio Erculiani
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
'''
import os
from commands import getoutput
from outputTools import *
from entropyConstants import *
import entropyTools
# Logging initialization
import logTools
equoLog = logTools.LogFile(level = etpConst['equologlevel'],filename = etpConst['equologfile'], header = "[Equo]")
'''
@ description: Gentoo toolchain variables
'''
MODULEDB_DIR="/var/lib/module-rebuild/"
INITSERVICES_DIR="/var/lib/init.d/"
'''
@description: pkgdata parser that collects post-install scripts that would be run
'''
def postinstall(pkgdata):
functions = set()
if pkgdata['trigger']:
functions.add('call_ext_postinstall')
# fonts configuration
if pkgdata['category'] == "media-fonts":
functions.add("fontconfig")
# opengl configuration
if (pkgdata['category'] == "x11-drivers") and (pkgdata['name'].startswith("nvidia-") or pkgdata['name'].startswith("ati-")):
functions.add("openglsetup")
# gcc configuration
if pkgdata['category']+"/"+pkgdata['name'] == "sys-devel/gcc":
functions.add("gccswitch")
# binutils configuration
if pkgdata['category']+"/"+pkgdata['name'] == "sys-devel/binutils":
functions.add("binutilsswitch")
# python configuration
if pkgdata['category']+"/"+pkgdata['name'] == "dev-lang/python":
functions.add("pythoninst")
if pkgdata['category']+"/"+pkgdata['name'] == "dev-db/sqlite":
functions.add('sqliteinst')
# kde package ?
if "kde" in pkgdata['eclasses']:
functions.add("kbuildsycoca")
# kde package ?
if pkgdata['category']+"/"+pkgdata['name'] == "sys-apps/shadow":
functions.add("susetuid")
# update mime
if "fdo-mime" in pkgdata['eclasses']:
functions.add('mimeupdate')
functions.add('mimedesktopupdate')
# update gconf db and icon cache
if "gnome2" in pkgdata['eclasses']:
functions.add('iconscache')
functions.add('gconfinstallschemas')
functions.add('gconfreload')
if pkgdata['name'] == "pygtk":
functions.add('pygtksetup')
# prepare content
mycnt = set(pkgdata['content'])
for x in mycnt:
if x.startswith("/usr/share/icons") and x.endswith("index.theme"):
functions.add('iconscache')
if x.startswith("/usr/share/mime"):
functions.add('mimeupdate')
if x.startswith("/usr/share/applications"):
functions.add('mimedesktopupdate')
if x.startswith("/usr/share/omf"):
functions.add('scrollkeeper')
if x.startswith("/etc/gconf/schemas"):
functions.add('gconfreload')
if x.startswith('/lib/modules/'):
functions.add('kernelmod')
if x.startswith('/boot/kernel-'):
functions.add('addbootablekernel')
#if x.startswith("/etc/init.d/"): do it externally
# functions.add('initadd')
return functions
'''
@description: pkgdata parser that collects pre-install scripts that would be run
'''
def preinstall(pkgdata):
functions = set()
if pkgdata['trigger']:
functions.add('call_ext_preinstall')
# prepare content
mycnt = set(pkgdata['content'])
for x in mycnt:
if x.startswith("/etc/init.d/"):
functions.add('initinform')
if x.startswith("/boot"):
functions.add('mountboot')
return functions
'''
@description: pkgdata parser that collects post-remove scripts that would be run
'''
def postremove(pkgdata):
functions = set()
if pkgdata['trigger']:
functions.add('call_ext_postremove')
# opengl configuration
if (pkgdata['category'] == "x11-drivers") and (pkgdata['name'].startswith("nvidia-") or pkgdata['name'].startswith("ati-")):
functions.add("openglsetup_xorg")
# kde package ?
if "kde" in pkgdata['eclasses']:
functions.add("kbuildsycoca")
if pkgdata['name'] == "pygtk":
functions.add('pygtkremove')
if pkgdata['category']+"/"+pkgdata['name'] == "dev-db/sqlite":
functions.add('sqliteinst')
# python configuration
if pkgdata['category']+"/"+pkgdata['name'] == "dev-lang/python":
functions.add("pythoninst")
# fonts configuration
if pkgdata['category'] == "media-fonts":
functions.add("fontconfig")
# prepare content
mycnt = set(pkgdata['removecontent'])
for x in mycnt:
if x.startswith("/usr/share/icons") and x.endswith("index.theme"):
functions.add('iconscache')
if x.startswith("/usr/share/mime"):
functions.add('mimeupdate')
if x.startswith("/usr/share/applications"):
functions.add('mimedesktopupdate')
if x.startswith("/usr/share/omf"):
functions.add('scrollkeeper')
if x.startswith("/etc/gconf/schemas"):
functions.add('gconfreload')
if x.startswith('/boot/kernel-'):
functions.add('removebootablekernel')
if x.startswith('/etc/init.d/'):
functions.add('removeinit')
return functions
'''
@description: pkgdata parser that collects pre-remove scripts that would be run
'''
def preremove(pkgdata):
functions = set()
if pkgdata['trigger']:
functions.add('call_ext_preremove')
# prepare content
mycnt = set(pkgdata['removecontent'])
for x in mycnt:
if x.startswith("/etc/init.d/"):
functions.add('initdisable')
if x.startswith("/boot"):
functions.add('mountboot')
return functions
########################################################
####
## External triggers support functions
#
def call_ext_preinstall(pkgdata):
rc = call_ext_generic(pkgdata,'preinstall')
return rc
def call_ext_postinstall(pkgdata):
rc = call_ext_generic(pkgdata,'postinstall')
return rc
def call_ext_preremove(pkgdata):
rc = call_ext_generic(pkgdata,'preremove')
return rc
def call_ext_postremove(pkgdata):
rc = call_ext_generic(pkgdata,'postremove')
return rc
def call_ext_generic(pkgdata, stage):
triggerfile = etpConst['entropyunpackdir']+"/trigger-"+str(entropyTools.getRandomNumber())
while os.path.isfile(tmptriggerfile):
triggerfile = etpConst['entropyunpackdir']+"/trigger-"+str(entropyTools.getRandomNumber())
f = open(triggerfile,"w")
for x in pkgdata['trigger']:
f.write(x)
f.close()
execfile(triggerfile)
os.remove(triggerfile)
return my_ext_status
########################################################
####
## Public functions
#
def fontconfig(pkgdata):
fontdirs = set()
for xdir in pkgdata['content']:
if xdir.startswith("/usr/share/fonts"):
origdir = xdir[16:]
if origdir:
if origdir.startswith("/"):
origdir = origdir.split("/")[1]
if os.path.isdir(xdir[:16]+"/"+origdir):
fontdirs.add(xdir[:16]+"/"+origdir)
if (fontdirs):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Configuring fonts directory...")
print_info(red(" ##")+brown(" Configuring fonts directory..."))
for fontdir in fontdirs:
setup_font_dir(fontdir)
setup_font_cache(fontdir)
def gccswitch(pkgdata):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Configuring GCC Profile...")
print_info(red(" ##")+brown(" Configuring GCC Profile..."))
# get gcc profile
pkgsplit = entropyTools.catpkgsplit(pkgdata['category']+"/"+pkgdata['name']+"-"+pkgdata['version'])
profile = pkgdata['chost']+"-"+pkgsplit[2]
set_gcc_profile(profile)
def iconscache(pkgdata):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Updating icons cache...")
print_info(red(" ##")+brown(" Updating icons cache..."))
mycnt = set(pkgdata['content'])
for file in mycnt:
if file.startswith("/usr/share/icons") and file.endswith("index.theme"):
cachedir = os.path.dirname(file)
generate_icons_cache(cachedir)
def mimeupdate(pkgdata):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Updating shared mime info database...")
print_info(red(" ##")+brown(" Updating shared mime info database..."))
update_mime_db()
def mimedesktopupdate(pkgdata):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Updating desktop mime database...")
print_info(red(" ##")+brown(" Updating desktop mime database..."))
update_mime_desktop_db()
def scrollkeeper(pkgdata):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Updating scrollkeeper database...")
print_info(red(" ##")+brown(" Updating scrollkeeper database..."))
update_scrollkeeper_db()
def gconfreload(pkgdata):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Reloading GConf2 database...")
print_info(red(" ##")+brown(" Reloading GConf2 database..."))
reload_gconf_db()
def binutilsswitch(pkgdata):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Configuring Binutils Profile...")
print_info(red(" ##")+brown(" Configuring Binutils Profile..."))
# get binutils profile
pkgsplit = entropyTools.catpkgsplit(pkgdata['category']+"/"+pkgdata['name']+"-"+pkgdata['version'])
profile = pkgdata['chost']+"-"+pkgsplit[2]
set_binutils_profile(profile)
def kernelmod(pkgdata):
if pkgdata['category'] != "sys-kernel":
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Updating moduledb...")
print_info(red(" ##")+brown(" Updating moduledb..."))
item = 'a:1:'+pkgdata['category']+"/"+pkgdata['name']+"-"+pkgdata['version']
update_moduledb(item)
print_info(red(" ##")+brown(" Running depmod..."))
run_depmod()
def pythoninst(pkgdata):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Configuring Python...")
print_info(red(" ##")+brown(" Configuring Python..."))
python_update_symlink()
def sqliteinst(pkgdata):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Configuring SQLite...")
print_info(red(" ##")+brown(" Configuring SQLite..."))
sqlite_update_symlink()
def initdisable(pkgdata):
mycnt = set(pkgdata['removecontent'])
for file in mycnt:
if file.startswith("/etc/init.d/") and os.path.isfile(file):
# running?
running = os.path.isfile(INITSERVICES_DIR+'/started/'+os.path.basename(file))
scheduled = not os.system('rc-update show | grep '+os.path.basename(file)+'&> /dev/null')
initdeactivate(file, running, scheduled)
def initinform(pkgdata):
mycnt = set(pkgdata['content'])
for file in mycnt:
if file.startswith("/etc/init.d/") and not os.path.isfile(file):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[PRE] A new service will be installed: "+file)
print_info(red(" ##")+brown(" A new service will be installed: ")+file)
def removeinit(pkgdata):
mycnt = set(pkgdata['removecontent'])
for file in mycnt:
if file.startswith("/etc/init.d/") and os.path.isfile(file):
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Removing boot service: "+os.path.basename(file))
print_info(red(" ##")+brown(" Removing boot service: ")+os.path.basename(file))
try:
os.system('rc-update del '+os.path.basename(file)+' &> /dev/null')
except:
pass
def openglsetup(pkgdata):
opengl = "xorg-x11"
if pkgdata['name'] == "nvidia-drivers":
opengl = "nvidia"
elif pkgdata['name'] == "ati-drivers":
opengl = "ati"
# is there eselect ?
eselect = os.system("eselect opengl &> /dev/null")
if eselect == 0:
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Reconfiguring OpenGL to "+opengl+" ...")
print_info(red(" ##")+brown(" Reconfiguring OpenGL..."))
os.system("eselect opengl set --use-old "+opengl)
else:
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Eselect NOT found, cannot run OpenGL trigger")
print_info(red(" ##")+brown(" Eselect NOT found, cannot run OpenGL trigger"))
def openglsetup_xorg(pkgdata):
eselect = os.system("eselect opengl &> /dev/null")
if eselect == 0:
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Reconfiguring OpenGL to fallback xorg-x11 ...")
print_info(red(" ##")+brown(" Reconfiguring OpenGL..."))
os.system("eselect opengl set xorg-x11")
else:
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Eselect NOT found, cannot run OpenGL trigger")
print_info(red(" ##")+brown(" Eselect NOT found, cannot run OpenGL trigger"))
# FIXME: this only supports grub (no lilo support)
def addbootablekernel(pkgdata):
kernels = [x for x in pkgdata['content'] if x.startswith("/boot/kernel-")]
for kernel in kernels:
initramfs = "/boot/initramfs-"+kernel[13:]
if initramfs not in pkgdata['content']:
initramfs = ''
# configure GRUB
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Configuring GRUB bootloader. Adding the new kernel...")
print_info(red(" ##")+brown(" Configuring GRUB bootloader. Adding the new kernel..."))
configure_boot_grub(kernel,initramfs)
# FIXME: this only supports grub (no lilo support)
def removebootablekernel(pkgdata):
kernels = [x for x in pkgdata['content'] if x.startswith("/boot/kernel-")]
for kernel in kernels:
initramfs = "/boot/initramfs-"+kernel[13:]
if initramfs not in pkgdata['content']:
initramfs = ''
# configure GRUB
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Configuring GRUB bootloader. Removing the selected kernel...")
print_info(red(" ##")+brown(" Configuring GRUB bootloader. Removing the selected kernel..."))
remove_boot_grub(kernel,initramfs)
def mountboot(pkgdata):
# is in fstab?
if os.path.isfile("/etc/fstab"):
f = open("/etc/fstab","r")
fstab = f.readlines()
f.close()
for line in fstab:
fsline = line.split()
if len(fsline) > 1:
if fsline[1] == "/boot":
# trigger mount /boot
rc = os.system("mount /boot &> /dev/null")
if rc == 0:
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[PRE] Mounted /boot successfully")
print_info(red(" ##")+brown(" Mounted /boot successfully"))
elif rc != 8192: # already mounted
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[PRE] Cannot mount /boot automatically !!")
print_info(red(" ##")+brown(" Cannot mount /boot automatically !!"))
break
def kbuildsycoca(pkgdata):
kdedirs = ''
try:
kdedirs = os.environ['KDEDIRS']
except:
pass
if kdedirs:
dirs = kdedirs.split(":")
for builddir in dirs:
if os.access(builddir+"/bin/kbuildsycoca",os.X_OK):
if not os.path.isdir("/usr/share/services"):
os.makedirs("/usr/share/services")
os.chown("/usr/share/services",0,0)
os.chmod("/usr/share/services",0755)
equoLog.log(ETP_LOGPRI_INFO,ETP_LOGLEVEL_NORMAL,"[POST] Running kbuildsycoca to build global KDE database")
print_info(red(" ##")+brown(" Running kbuildsycoca to build global KDE database"))
os.system(builddir+"/bin/kbuildsycoca --global --noincremental &> /dev/null")
def gconfinstallschemas(pkgdata):
gtest = os.system("which gconftool-2 &> /dev/null")
if gtest == 0:
schemas = [x for x in pkgdata['content'] if x.startswith("/etc/gconf/schemas") and x.endswith(".schemas")]
print_info(red(" ##")+brown(" Installing GConf2 schemas..."))
for schema in schemas:
os.system("""
unset GCONF_DISABLE_MAKEFILE_SCHEMA_INSTALL
export GCONF_CONFIG_SOURCE=$(gconftool-2 --get-default-source)
gconftool-2 --makefile-install-rule """+schema+""" 1>/dev/null
""")
def pygtksetup(pkgdata):
python_sym_files = [x for x in pkgdata['content'] if x.startswith("/usr/lib/python") and (x.endswith("pygtk.py-2.0") or x.endswith("pygtk.pth-2.0"))]
for file in python_sym_files:
if os.path.isfile(file):
os.symlink(file,file[:-4])
def pygtkremove(pkgdata):
python_sym_files = [x for x in pkgdata['content'] if x.startswith("/usr/lib/python") and (x.endswith("pygtk.py-2.0") or x.endswith("pygtk.pth-2.0"))]
for file in python_sym_files:
if os.path.isfile(file[:-4]):
os.remove(file[:-4])
def susetuid(pkgdata):
if os.path.isfile("/bin/su"):
os.chown("/bin/su",0,0)
os.chmod("/bin/su",4755)
########################################################
####
## Internal functions
#
'''
@description: creates Xfont files
@output: returns int() as exit status
'''
def setup_font_dir(fontdir):
# mkfontscale
if os.access('/usr/bin/mkfontscale',os.X_OK):
os.system('/usr/bin/mkfontscale '+unicode(fontdir))
# mkfontdir
if os.access('/usr/bin/mkfontdir',os.X_OK):
os.system('/usr/bin/mkfontdir -e /usr/share/fonts/encodings -e /usr/share/fonts/encodings/large '+unicode(fontdir))
return 0
'''
@description: creates font cache
@output: returns int() as exit status
'''
def setup_font_cache(fontdir):
# fc-cache -f gooooo!
if os.access('/usr/bin/fc-cache',os.X_OK):
os.system('/usr/bin/fc-cache -f '+unicode(fontdir))
return 0
'''
@description: set chosen gcc profile
@output: returns int() as exit status
'''
def set_gcc_profile(profile):
if os.access('/usr/bin/gcc-config',os.X_OK):
os.system('/usr/bin/gcc-config '+profile)
return 0
'''
@description: set chosen binutils profile
@output: returns int() as exit status
'''
def set_binutils_profile(profile):
if os.access('/usr/bin/binutils-config',os.X_OK):
os.system('/usr/bin/binutils-config '+profile)
return 0
'''
@description: creates/updates icons cache
@output: returns int() as exit status
'''
def generate_icons_cache(cachedir):
if os.access('/usr/bin/gtk-update-icon-cache',os.X_OK):
os.system('/usr/bin/gtk-update-icon-cache -qf '+cachedir)
return 0
'''
@description: updates /usr/share/mime database
@output: returns int() as exit status
'''
def update_mime_db():
if os.access('/usr/bin/update-mime-database',os.X_OK):
os.system('/usr/bin/update-mime-database /usr/share/mime')
return 0
'''
@description: updates /usr/share/applications database
@output: returns int() as exit status
'''
def update_mime_desktop_db():
if os.access('/usr/bin/update-desktop-database',os.X_OK):
os.system('/usr/bin/update-desktop-database -q /usr/share/applications')
return 0
'''
@description: updates /var/lib/scrollkeeper database
@output: returns int() as exit status
'''
def update_scrollkeeper_db():
if os.access('/usr/bin/scrollkeeper-update',os.X_OK):
if not os.path.isdir('/var/lib/scrollkeeper'):
os.makedirs('/var/lib/scrollkeeper')
os.system('/usr/bin/scrollkeeper-update -q -p /var/lib/scrollkeeper')
return 0
'''
@description: respawn gconfd-2 if found
@output: returns int() as exit status
'''
def reload_gconf_db():
rc = os.system('pgrep -x gconfd-2')
if (rc == 0):
pids = getoutput('pgrep -x gconfd-2').split("\n")
pidsstr = ''
for pid in pids:
if pid:
pidsstr += pid+' '
pidsstr = pidsstr.strip()
if pidsstr:
os.system('kill -HUP '+pidsstr)
return 0
'''
@description: updates moduledb
@output: returns int() as exit status
'''
def update_moduledb(item):
if os.access('/usr/sbin/module-rebuild',os.X_OK):
if os.path.isfile(MODULEDB_DIR+'moduledb'):
f = open(MODULEDB_DIR+'moduledb',"r")
moduledb = f.readlines()
f.close()
avail = [x for x in moduledb if x.strip() == item]
if (not avail):
f = open(MODULEDB_DIR+'moduledb',"aw")
f.write(item+"\n")
f.flush()
f.close()
return 0
'''
@description: insert kernel object into kernel modules db
@output: returns int() as exit status
'''
def run_depmod():
if os.access('/sbin/depmod',os.X_OK):
os.system('/sbin/depmod -a &> /dev/null')
return 0
'''
@description: update /usr/bin/python and /usr/bin/python2 symlink
@output: returns int() as exit status
'''
def python_update_symlink():
bins = [x for x in os.listdir("/usr/bin") if x.startswith("python2.")]
versions = [x[6:] for x in bins]
versions.sort()
latest = versions[-1]
os.system('ln -sf /usr/bin/python'+str(latest)+' /usr/bin/python')
os.system('ln -sf /usr/bin/python'+str(latest)+' /usr/bin/python2')
return 0
'''
@description: update /usr/bin/lemon symlink
@output: returns int() as exit status
'''
def sqlite_update_symlink():
bins = [x for x in os.listdir("/usr/bin") if x.startswith("lemon-")]
versions = [x[6:] for x in bins]
versions.sort()
latest = versions[-1]
os.system('ln -sf /usr/bin/lemon-'+str(latest)+' /usr/bin/lemon')
return 0
'''
@description: shuts down selected init script, and remove from runlevel
@output: returns int() as exit status
'''
def initdeactivate(file, running, scheduled):
if (running):
os.system(file+' stop --quiet')
if (scheduled):
os.system('rc-update del '+os.path.basename(file))
return 0
'''
@description: append kernel entry to grub.conf
@output: returns int() as exit status
'''
def configure_boot_grub(kernel,initramfs):
if not os.path.isdir("/boot/grub"):
os.makedirs("/boot/grub")
if os.path.isfile("/boot/grub/grub.conf"):
# open in append
grub = open("/boot/grub/grub.conf","aw")
# get boot dev
boot_dev = get_grub_boot_dev()
# test if entry has been already added
grubtest = open("/boot/grub/grub.conf","r")
content = grubtest.readlines()
if "title="+etpConst['systemname']+" ("+os.path.basename(kernel)+")\n" in content:
grubtest.close()
return
else:
# create
boot_dev = "(hd0,0)"
grub = open("/boot/grub/grub.conf","w")
# write header - guess (hd0,0)... since it is weird having a running system without a bootloader, at least, grub.
grub_header = '''
default=0
timeout=10
'''
grub.write(grub_header)
cmdline = ' '
if os.path.isfile("/proc/cmdline"):
f = open("/proc/cmdline","r")
cmdline = " "+f.readline().strip()
params = cmdline.split()
if "dolvm" not in params: # support new kernels >= 2.6.23
cmdline += " dolvm "
f.close()
grub.write("title="+etpConst['systemname']+" ("+os.path.basename(kernel)+")\n")
grub.write("\troot "+boot_dev+"\n")
grub.write("\tkernel "+kernel+cmdline+"\n")
if initramfs:
grub.write("\tinitrd "+initramfs+"\n")
grub.write("\n")
grub.flush()
grub.close()
def remove_boot_grub(kernel,initramfs):
if os.path.isdir("/boot/grub") and os.path.isfile("/boot/grub/grub.conf"):
f = open("/boot/grub/grub.conf","r")
grub_conf = f.readlines()
kernelname = os.path.basename(kernel)
new_conf = []
myconf = ""
for x in grub_conf: myconf += x
myconf = myconf.split("title")
for chunk in myconf:
if (chunk.find(kernelname) != -1) or (chunk.find(initramfs) != -1):
continue
if chunk.strip().startswith("="):
new_conf.append("title"+chunk)
else:
new_conf.append(chunk)
f = open("/boot/grub/grub.conf","w")
f.writelines(new_conf)
f.flush()
f.close()
def get_grub_boot_dev():
import re
df_avail = os.system("which df &> /dev/null")
if df_avail != 0:
print "DEBUG: cannot find df!! Cannot properly configure kernel! Defaulting to (hd0,0)"
return "(hd0,0)"
grub_avail = os.system("which grub &> /dev/null")
if grub_avail != 0:
print "DEBUG: cannot find grub!! Cannot properly configure kernel! Defaulting to (hd0,0)"
return "(hd0,0)"
gboot = getoutput("df /boot").split("\n")[-1].split()[0]
if gboot.startswith("/dev/"):
# it's ok - handle /dev/md
if gboot.startswith("/dev/md"):
md = os.path.basename(gboot)
if not md.startswith("md"):
md = "md"+md
f = open("/proc/mdstat","r")
mdstat = f.readlines()
mdstat = [x for x in mdstat if x.startswith(md)]
f.close()
if mdstat:
mdstat = mdstat[0].strip().split()
mddevs = []
for x in mdstat:
if x.startswith("sd"):
mddevs.append(x[:-3])
mddevs.sort()
if mddevs:
gboot = "/dev/"+mddevs[0]
else:
gboot = "/dev/sda1"
else:
gboot = "/dev/sda1"
# get disk
match = re.subn("[0-9]","",gboot)
gdisk = match[0]
match = re.subn("[a-z/]","",gboot)
gpartnum = str(int(match[0])-1)
# now match with grub
device_map = etpConst['packagestmpdir']+"/grub.map"
if os.path.isfile(device_map):
os.remove(device_map)
# generate device.map
os.system('echo "quit" | grub --device-map='+device_map+' --no-floppy --batch &> /dev/null')
if os.path.isfile(device_map):
f = open(device_map,"r")
device_map_file = f.readlines()
f.close()
grub_dev = [x for x in device_map_file if (x.find(gdisk) != -1)]
if grub_dev:
grub_disk = grub_dev[0].strip().split()[0]
grub_dev = grub_disk[:-1]+","+gpartnum+")"
return grub_dev
else:
print "DEBUG: cannot match grub device with linux one!! Cannot properly configure kernel! Defaulting to (hd0,0)"
return "(hd0,0)"
else:
print "DEBUG: cannot find generated device.map!! Cannot properly configure kernel! Defaulting to (hd0,0)"
return "(hd0,0)"
else:
print "DEBUG: cannot run df /boot!! Cannot properly configure kernel! Defaulting to (hd0,0)"
return "(hd0,0)"
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