def setup(self):
util.mkdirChain(util.joinPaths(self.image_root, 'boot', 'grub'))
# path to grub stage1/stage2 files in rPL/rLS
util.copytree(
util.joinPaths(self.image_root, 'usr', 'share', 'grub', '*', '*'),
util.joinPaths(self.image_root, 'boot', 'grub'))
# path to grub files in SLES
if is_SUSE(self.image_root):
util.copytree(
util.joinPaths(self.image_root, 'usr', 'lib', 'grub', '*'),
util.joinPaths(self.image_root, 'boot', 'grub'))
if is_UBUNTU(self.image_root):
# path to grub files in x86 Ubuntu
util.copytree(
util.joinPaths(self.image_root, 'usr', 'lib', 'grub', 'i386-pc', '*'),
util.joinPaths(self.image_root, 'boot', 'grub'))
# path to grub files in x86_64 Ubuntu
util.copytree(
util.joinPaths(self.image_root, 'usr', 'lib', 'grub', 'x86_64-pc', '*'),
util.joinPaths(self.image_root, 'boot', 'grub'))
util.mkdirChain(util.joinPaths(self.image_root, 'etc'))
# Create a stub grub.conf
self.writeConf()
# Create the appropriate links
if self._get_grub_conf() != 'menu.lst':
os.symlink('grub.conf', util.joinPaths(
self.image_root, 'boot', 'grub', 'menu.lst'))
os.symlink('../boot/grub/grub.conf',
util.joinPaths(self.image_root, 'etc', 'grub.conf'))
if is_SUSE(self.image_root):
self._suse_grub_stub()
def addScsiModules(self):
# FIXME: this part of the code needs a rewrite, because any
# bootable image type / distro combination may need different
# drivers to be specified here. It's not a simple True/False.
# Also, 'Raw HD Image' means QEMU/KVM to me, but someone else
# might be using it with another environment.
filePath = self.filePath("etc/modprobe.conf")
if self.jobData["buildType"] == buildtypes.AMI:
moduleList = ["xenblk"]
else:
moduleList = ["mptbase", "mptspi"]
if is_SUSE(self.root):
filePath = filePath + ".local"
if self.jobData["buildType"] == buildtypes.RAW_HD_IMAGE:
self.scsiModules = True
moduleList = ["piix"]
if not self.scsiModules:
return
if not os.path.exists(filePath):
log.warning("%s not found while adding scsi modules" % os.path.basename(filePath))
util.mkdirChain(os.path.split(filePath)[0])
f = open(filePath, "a")
if os.stat(filePath)[6]:
f.write("\n")
for idx in range(0, len(moduleList)):
f.write("alias scsi_hostadapter%s %s\n" % (idx and idx or "", moduleList[idx]))
f.close()
def _suse_sysconfig_bootloader(self):
# write /etc/sysconfig/bootloader for SUSE systems
contents = (
'CYCLE_DETECTION="no"\n'
'CYCLE_NEXT_ENTRY="1"\n'
'LOADER_LOCATION=""\n'
'LOADER_TYPE="grub"\n'
)
if is_SUSE(self.image_root, version=11):
consoleArgs = ''
if (self.jobData['buildType'] == buildtypes.validBuildTypes['XEN_OVA']):
consoleArgs = ' console=ttyS0 xencons=ttyS'
contents += (
'DEFAULT_APPEND="root=LABEL=%s showopts%s"\n'
'FAILSAFE_APPEND="root=LABEL=%s%s"\n' % (self.root_label,
consoleArgs, self.root_label, consoleArgs))
self.createFile('etc/sysconfig/bootloader', contents)
def add_kernels(self):
bootDirFiles = os.listdir(util.joinPaths(self.image_root, 'boot'))
kernels = sorted(x[8:] for x in bootDirFiles
if x.startswith('vmlinuz-2.6'))
initrds = sorted([x for x in bootDirFiles
if re.match('init(rd|ramfs)-.*.img', x)])
if initrds:
# initrds are called initramfs on e.g. RHEL 6, stay consistent.
rdPrefix = initrds[0].split('-')[0]
else:
rdPrefix = 'initrd'
kernels.reverse()
if kernels:
log.info("Manually populating grub.conf with installed kernels")
if is_SUSE(self.image_root):
self._mkinitrd_suse(kernels)
else:
self.writeConf(kernels)
irg = rh_initrd.RedhatGenerator(self.image_root)
irg.generate([
(kver, '/boot/%s-%s.img' % (rdPrefix, kver))
for kver in kernels])
else:
log.error("No kernels found; this image will not be bootable.")
def postTagScripts(self):
# misc. stuff that needs to run after tag handlers have finished
dhcp = self.filePath("etc/sysconfig/network/dhcp")
if os.path.isfile(dhcp):
# tell SUSE to set the hostname via DHCP
cmd = r"""/bin/sed -e 's/DHCLIENT_SET_HOSTNAME=.*/DHCLIENT_SET_HOSTNAME="yes"/g' -i %s""" % dhcp
logCall(cmd)
logCall("rm -rf %s/var/lib/conarydb/rollbacks/*" % self.root)
# set up shadow passwords/md5 passwords
authConfigCmd = "chroot %s %%s --kickstart --enablemd5 --enableshadow" " --disablecache" % self.root
if self.fileExists("/usr/sbin/authconfig"):
logCall(authConfigCmd % "/usr/sbin/authconfig")
elif self.fileExists("/usr/bin/authconfig"):
logCall(authConfigCmd % "/usr/bin/authconfig")
elif self.fileExists("/usr/sbin/pwconv"):
logCall("chroot %s /usr/sbin/pwconv" % self.root)
# allow empty password to log in for virtual appliance
fn = self.filePath("etc/pam.d/common-auth")
if os.path.exists(fn):
f = open(fn)
lines = []
for line in f:
line = line.strip()
if "pam_unix2.so" in line and "nullok" not in line:
line += " nullok"
lines.append(line)
lines.append("")
f = open(fn, "w")
f.write("\n".join(lines))
f.close()
# Unlock the root account by blanking its password, unless a valid
# password is already set.
if self.fileExists("usr/sbin/usermod") and not hasRootPassword(self.root):
log.info("Blanking root password.")
logCall("chroot %s /usr/sbin/usermod -p '' root" % self.root, ignoreErrors=True)
else:
log.info("Not changing root password.")
# Set up selinux autorelabel if appropriate
selinux = self.filePath("etc/selinux/config")
if os.path.exists(selinux):
selinuxLines = [x.strip() for x in file(selinux).readlines()]
if not "SELINUX=disabled" in selinuxLines:
self.createFile(".autorelabel")
# write an appropriate SLES inittab for XenServer
# and update /etc/securetty so that logins work.
if is_SUSE(self.root):
if self.jobData["buildType"] == buildtypes.XEN_OVA:
cmd = r"/bin/sed -e 's/^#cons:/cons:/' -e 's/^\([1-6]\):/#\1:/' -i %s" % self.filePath("/etc/inittab")
logCall(cmd)
cmd = r"echo -e 'console\nxvc0' >> %s" % self.filePath("/etc/securetty")
logCall(cmd)
elif self.jobData["buildType"] == buildtypes.AMI:
cmd = r"/bin/sed -i 's/^#\(l4\)/\1/g' %s" % self.filePath("/etc/inittab")
logCall(cmd)
# This returns a non-zero exit code
try:
if is_SUSE(self.root, version=10):
cmd = r"chroot %s /sbin/chkconfig --levels 2345 network on" % self.root
else:
cmd = r"chroot %s /sbin/chkconfig -s network 2345" % self.root
logCall(cmd)
except:
pass
# RedHat needs a config to tell it it's okay to upgrade the kernel
if is_RH(self.root) and not self.fileExists("etc/sysconfig/kernel"):
self.createFile("etc/sysconfig/kernel", "UPDATEDEFAULT=yes\n" "DEFAULTKERNEL=kernel\n")
# Finish installation of bootloader
if not self.fileExists("boot/boot"):
# So /boot/blah in grub conf still works if /boot is separate
os.symlink(".", self.filePath("boot/boot"))
self.bootloader.install()
def preTagScripts(self):
fakeRoot = self.root
# create a swap file
if self.swapSize:
swapFile = util.joinPaths(fakeRoot, self.swapPath)
util.mkdirChain(os.path.dirname(swapFile))
# sparse files cannot work for swap space
logCall("dd if=/dev/zero of=%s bs=4096 count=%d" % (swapFile, self.swapSize / 4096))
logCall("/sbin/mkswap %s" % swapFile)
os.chmod(swapFile, 0600)
# Copy a skeleton config tree.
# Exclude things that are not being installed.
exceptFiles = []
# GPM (mouse daemon for virtual terminals)
if not os.path.isfile(os.path.join(fakeRoot, "usr", "sbin", "gpm")):
exceptFiles.append(os.path.join(os.path.sep, "etc", "sysconfig", "mouse"))
# X windows
start_x = False
for svc in ("xdm", "gdm", "kdm"):
if not os.path.isfile(os.path.join(fakeRoot, "etc", "init.d", svc)):
continue
# make sure the binary exists too
for path in (("usr", "X11R6", "bin"), ("usr", "bin")):
if os.path.isfile(os.path.join(*(fakeRoot,) + path + (svc,))):
start_x = True
if not start_x:
exceptFiles.append(os.path.join(os.path.sep, "etc", "X11.*"))
# use the appropriate skeleton files depending on the OS base
if is_SUSE(fakeRoot):
skelDir = os.path.join(constants.skelDir, "sle")
elif is_UBUNTU(fakeRoot):
skelDir = os.path.join(constants.skelDir, "ubuntu")
else:
skelDir = os.path.join(constants.skelDir, "rpl")
copytree(skelDir, fakeRoot, exceptFiles)
self.writeConaryRc(os.path.join(fakeRoot, "etc", "conaryrc"), self.cc)
self.writeSystemModel(os.path.join(fakeRoot, "etc", "conary", "system-model"))
# If X is available, use runlevel 5 by default, for graphical login
if start_x:
inittab = os.path.join(fakeRoot, "etc", "inittab")
if os.path.isfile(inittab):
cmd = r"/bin/sed -e 's/^\(id\):[0-6]:\(initdefault:\)$/\1:5:\2/' -i %s" % inittab
logCall(cmd)
else:
log.warning("inittab does not appear to be present")
# copy timezone data into /etc/localtime
if os.path.exists(os.path.join(fakeRoot, "usr", "share", "zoneinfo", "UTC")):
copyfile(
os.path.join(fakeRoot, "usr", "share", "zoneinfo", "UTC"), os.path.join(fakeRoot, "etc", "localtime")
)
# Write the /etc/sysconfig/appliance-name for distro-release initscript.
# Only overwrite if the file is non existent or empty. (RBL-3104)
appliancePath = os.path.join(fakeRoot, "etc", "sysconfig")
if not os.path.exists(appliancePath):
util.mkdirChain(appliancePath)
appNameFile = os.path.join(appliancePath, "appliance-name")
if not os.path.exists(appNameFile) or not os.path.getsize(appNameFile):
f = open(appNameFile, "w")
name = self.jobData["project"]["name"]
if isinstance(name, unicode):
name = name.encode("utf8")
f.write(name + "\n")
f.close()
# Disable selinux by default
selinux = "etc/selinux/config"
if self.fileExists(selinux):
contents = self.readFile(selinux)
contents = contents.replace(
"SELINUX=enforcing\n",
"# NOTE: This is overridden by rBuilder. To prevent this, "
"change it back using a group post-install script.\n"
"SELINUX=disabled\n",
)
self.createFile(selinux, contents)
if is_SUSE(self.root):
# SUSE needs /dev/fd for mkinitrd (RBL-5689)
os.symlink("/proc/self/fd", self.filePath("dev/fd"))
elif is_SUSE(self.root, version=11):
self.createFile("etc/sysconfig/mkinitrd", 'OPTIONS="-A"\n')
# Configure the bootloader (but don't install it yet).
self.bootloader.setup()
self.addScsiModules()
self.writeDeviceMaps()
def _mkinitrd_suse(self, kernels):
# Extend mkinitrd config with modules for VM targets
kconf = self.filePath('etc/sysconfig/kernel')
out = open(kconf + '.tmp', 'w')
for line in open(kconf):
if line[:15] == 'INITRD_MODULES=':
modules = set(shlex.split(line[15:])[0].split())
# Fix for SUP-3634 -- EC2 images not booting
# ec2 images do not need extra modules specifically sd_
# TODO -- revisit after all kernels are updated
if self.jobData['buildType'] == buildtypes.AMI and is_SUSE(self.image_root, version=11):
modules.add('xenblk')
else:
modules.add('piix')
modules.add('megaraid')
modules.add('mptscsih')
modules.add('mptspi')
modules.add('sd_mod')
if is_SUSE(self.image_root, version=11):
modules.add('pata_oldpiix')
modules.add('pata_mpiix')
modules.add('ata_piix')
modules.add('virtio_net')
modules.add('virtio_blk')
modules.add('virtio_pci')
out.write('INITRD_MODULES="%s"' % (' '.join(modules)))
else:
out.write(line)
out.close()
os.rename(kconf + '.tmp', kconf)
# Order kernels so the desired one is added last and thus the default.
kernels.sort()
kernels_xen = [x for x in kernels if x.endswith('-xen')]
kernels_not_xen = [x for x in kernels if not x.endswith('-xen')]
if self.force_domU:
kernels = kernels_not_xen + kernels_xen
else:
kernels = kernels_xen + kernels_not_xen
log.info("Rebuilding initrd(s)")
kpaths = ['vmlinuz-' + x for x in kernels]
ipaths = ['initrd-' + x for x in kernels]
mkinitrdCmd = ['/usr/sbin/chroot', self.image_root,
'/sbin/mkinitrd',
'-k', ' '.join(kpaths),
'-i', ' '.join(ipaths),
]
# More SLES 11 magic: make a temporary device node
# for the root fs device, and remove it after mkinitrd runs.
if is_SUSE(self.image_root, version=11):
if self.jobData['buildType'] == buildtypes.APPLIANCE_ISO:
tmpRootDev = os.path.join(self.image_root, 'dev', 'root')
mkinitrdCmd.extend([ '-d', '/dev/root' ])
else:
# Patch for card 2258
# Need to make sure we use the correct loop device for mkinitrd
proc_mount = '/proc/mounts'
loop = os.path.join('dev', 'root')
if os.path.exists(proc_mount):
mounts = open(proc_mount).readlines()
loops = sorted([ x.split() for x in mounts if
x.startswith('/dev/loop') ])
if loops:
for l in loops:
if l[1] == self.image_root:
loop = l[0][1:]
tmpRootDev = os.path.join(self.image_root, loop)
mkinitrdCmd.extend([ '-d', loop ])
os.mknod(tmpRootDev, 0600 | stat.S_IFBLK,
os.stat(self.image_root).st_dev)
logCall(mkinitrdCmd)
if is_SUSE(self.image_root, version=11):
os.unlink(tmpRootDev)
# Build grub config
log.info("Adding kernel entries")
self.createFile('boot/grub/menu.lst', contents="""\
# GRUB configuration generated by rBuilder
timeout 8
##YaST - generic_mbr
##YaST - activate
""")
self.createFile('boot/grub/device.map', '(hd0) /dev/sda\n')
self._suse_sysconfig_bootloader()
self._suse_grub_stub()
# for SLES 11
os.environ['PBL_SKIP_BOOT_TEST'] = '1'
for kver, kpath, ipath in zip(kernels, kpaths, ipaths):
flavor = kpath.split('-')[-1]
if flavor == 'xen' and self.force_domU:
flavor = 'default'
logCall(['/usr/sbin/chroot', self.image_root,
'/usr/lib/bootloader/bootloader_entry',
'add', flavor, kver, kpath, ipath])
def install(self):
cfgfile = self._get_grub_conf()
grub_conf = util.joinPaths(self.image_root, 'boot/grub', cfgfile)
# TODO: clean up the various paths by which mkinitrd gets run, this
# workflow doesn't necessarily make sense.
mkinitrdWasRun = False
# RPM-based images will not populate grub.conf, so do it here.
for line in open(grub_conf):
line = line.split()
if len(line) < 2 or 'vmlinuz-' not in line[1]:
continue
kver = os.path.basename(line[1])[8:]
if kver != 'template':
break
else:
# No non-template kernel entry was found, so populate it by hand.
self.add_kernels()
mkinitrdWasRun = True
# Now that grubby has had a chance to add the new kernel,
# remove the template entry added in setup()
if os.path.exists(util.joinPaths(self.image_root, 'sbin', 'grubby')):
logCall('chroot %s /sbin/grubby '
'--remove-kernel=/boot/vmlinuz-template' % self.image_root,
ignoreErrors=True)
# If bootman is present, configure it for grub and run it
if os.path.exists(util.joinPaths(self.image_root, 'sbin', 'bootman')):
bootman_config = open(util.joinPaths(self.image_root, 'etc',
'bootman.conf'), 'w')
print >> bootman_config, 'BOOTLOADER=grub'
bootman_config.close()
bootloader.writeBootmanConfigs(self)
logCall('chroot "%s" /sbin/bootman' % self.image_root)
irg = rh_initrd.RedhatGenerator(self.image_root)
irg.generateFromBootman()
mkinitrdWasRun = True
elif not mkinitrdWasRun and not is_SUSE(self.image_root):
irg = rh_initrd.RedhatGenerator(self.image_root)
irg.generateFromGrub(cfgfile)
mkinitrdWasRun = True
# Workaround for RPL-2423
if os.path.exists(grub_conf):
contents = open(grub_conf).read()
contents = re.compile('^default .*', re.M
).sub('default 0', contents)
open(grub_conf, 'w').write(contents)
if cfgfile == 'menu.lst' and os.path.exists(grub_conf):
# workaround for bootloader management tools in SUSE writing
# menu.lst wrong
f = open(grub_conf)
newLines = []
rootdev_re = re.compile('root=/dev/.*? ')
grubroot_re = re.compile('root \(.*\)')
doubleboot_re = re.compile('/boot/boot')
kernel_re = re.compile('^\s+kernel')
for line in f:
line = rootdev_re.sub('root=LABEL=%s ' % self.root_label, line)
if (self.jobData['buildType'] == buildtypes.validBuildTypes['AMI']):
line = grubroot_re.sub('root (hd0)', line)
else:
line = grubroot_re.sub('root (hd0,0)', line)
line = doubleboot_re.sub('/boot', line)
if (kernel_re.match(line) and
(self.jobData['buildType'] == buildtypes.validBuildTypes['XEN_OVA'])):
line = line.replace('\n', ' console=ttyS0 xencons=ttyS\n')
newLines.append(line)
contents = ''.join(newLines)
f = open(grub_conf, 'w')
f.write(contents)
f.close()
def writeConf(self, kernels=()):
if os.path.exists(util.joinPaths(self.image_root, 'etc', 'issue')):
f = open(util.joinPaths(self.image_root, 'etc', 'issue'))
name = f.readline().strip()
if not name:
name = self.jobData['project']['name']
f.close()
else:
name = self.jobData['project']['name']
bootDirFiles = os.listdir(util.joinPaths(self.image_root, 'boot'))
xen = bool([x for x in bootDirFiles
if re.match('vmlinuz-.*xen.*', x)])
dom0 = bool([x for x in bootDirFiles
if re.match('xen.gz-.*', x)])
initrds = sorted([x for x in bootDirFiles
if re.match('init(rd|ramfs)-.*.img', x)])
hasInitrd = bool(initrds)
# RH-alikes ship a combo dom0/domU kernel so we have to use the image
# flavor to determine whether to use the dom0 bootloader configuration.
if self.force_domU:
dom0 = False
clock = ""
if self.jobData['buildType'] == buildtypes.VMWARE_IMAGE:
if self.arch == 'x86':
clock = "clock=pit"
elif self.arch == 'x86_64':
clock = "notsc"
if self.jobData['buildType'] == buildtypes.AMI:
ami = True
else:
ami = False
if initrds:
# initrds are called initramfs on e.g. RHEL 6, stay consistent.
rdPrefix = initrds[0].split('-')[0]
else:
rdPrefix = 'initrd'
grubConfMacros = None
grubConfMacroPath = util.joinPaths(self.image_root, 'etc',
'sysconfig', 'grubconfmacros')
if os.path.exists(grubConfMacroPath):
grubConfMacros = loadMacros([grubConfMacroPath, ])
conf = getGrubConf(name, hasInitrd, xen, dom0, clock,
includeTemplate=not is_SUSE(self.image_root, version=11),
kversions=kernels, ami=ami, rdPrefix=rdPrefix,
root_label=self.root_label, grubConfMacros=grubConfMacros,
)
cfgfile = self._get_grub_conf()
if cfgfile == 'menu.lst' and is_SUSE(self.image_root):
self._suse_sysconfig_bootloader()
f = open(util.joinPaths(self.image_root, 'boot', 'grub', cfgfile), 'w')
f.write(conf)
f.close()
os.chmod(util.joinPaths(self.image_root, 'boot', 'grub', cfgfile), 0600)
def _get_grub_conf(self):
if is_SUSE(self.image_root) or is_UBUNTU(self.image_root):
return 'menu.lst'
return 'grub.conf'
