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"""
Enables the "cobbler distro import" command to seed cobbler
information with available distributions. A minimal (kickstartless)
profile will also be created with the same name as the distro.
Copyright 2006, Red Hat, Inc
Michael DeHaan <mdehaan@redhat.com>
This software may be freely redistributed under the terms of the GNU
general public license.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
import cexceptions
import os
import os.path
import traceback
import sub_process
import api
# MATCH_LIST uses path segments of mirror URLs to assign kickstart
# files. It's not all that intelligent.
# FIXME: add common FC, RHEL, and Centos path segments
# it's exceedingly wrong right now and the kickstart file
# for FC5 is sent everywhere. That probably WON'T work in most
# places even though it's a minimalistic kickstart. This will
# get patched over time.
MATCH_LIST = (
( "1/" , "/etc/cobbler/kickstart_fc5.ks" ),
( "2/" , "/etc/cobbler/kickstart_fc5.ks" ),
( "3/" , "/etc/cobbler/kickstart_fc5.ks" ),
( "4/" , "/etc/cobbler/kickstart_fc5.ks" ),
( "5/" , "/etc/cobbler/kickstart_fc5.ks" ),
( "FC-5/" , "/etc/cobbler/kickstart_fc5.ks" ),
( "FC-6/" , "/etc/cobbler/kickstart_fc6.ks" ),
( "RHEL-4/" , "/etc/cobbler/kickstart_fc5.ks" ),
( "6/" , "/etc/cobbler/kickstart_fc5.ks" ),
( "5/" , "/etc/cobbler/kickstart_fc5.ks" ),
( "Centos/4" , "/etc/cobbler/kickstart_fc5.ks" )
)
# the following is a filter to reduce import scan times,
# particularly over NFS. these indicate directory segments
# that we do not need to recurse into. In the case where
# these path segments are important to a certain distro import,
# it's a bug, and this list needs to be edited.
DIRECTORY_SIEVE = [
"debuginfo", "ppc", "s390x", "s390", "variant-src",
"ftp-isos", "compat-layer", "compat-layer-tree",
"SRPMS", "headers", "dosutils", "Publishers",
"LIVE", "RedHat", "image-template", "logs",
"EMEA", "APAC", "isolinux",
"debug", "repodata", "repoview", "Fedora",
"stylesheet-images", "buildinstall", "partner", "noarch",
"src-isos", "dvd-isos", "docs", "misc"
]
# to keep serialization to a good level, serialize every
# so many iterations, but not every time.
class Importer:
def __init__(self,api,config,path,mirror,mirror_name):
self.api = api
self.config = config
self.path = path
self.mirror = mirror
self.mirror_name = mirror_name
self.distros = config.distros()
self.profiles = config.profiles()
self.systems = config.systems()
self.settings = config.settings()
self.serialize_counter = 0
def run(self):
if self.path is None and self.mirror is None:
raise cexceptions.CobblerException("import_failed","no path specified")
if self.path and not os.path.isdir(self.path):
raise cexceptions.CobblerException("import_failed","bad path")
if self.mirror is not None:
if self.mirror_name is None:
raise cexceptions.CobblerException("import_failed","must specify --mirror-name")
print "This will take a while..."
self.path = "%s/ks_mirror/%s" % (self.settings.webdir, self.mirror_name)
try:
os.makedirs(self.path)
except:
if not os.path.exists(self.path):
raise cexceptions.CobblerException("couldn't create: %s" % (self.path))
if self.mirror.startswith("http://"):
# http mirrors are kind of primative. rsync is better.
try:
os.makedirs("%s/ks_mirror/%s" % (self.settings.webdir, self.mirror_name))
except:
print "- didn't create %s" % self.mirror_name
cmd = "wget --mirror --no-parent --no-host-directories --directory-prefix %s/%s %s" % (self.settings.webdir, self.mirror_name, self.mirror)
print "- %s" % cmd
sub_process.call(cmd,shell=True)
else:
# use rsync...
spacer = ""
if not self.mirror.startswith("rsync://"):
spacer = ' -e "ssh" '
cmd = "rsync -a %s %s %s/ks_mirror/%s --exclude-from=/etc/cobbler/rsync.exclude --delete --delete-excluded --progress" % (spacer, self.mirror, self.settings.webdir, self.mirror_name)
print "- %s" % cmd
sub_process.call(cmd,shell=True)
if self.path is not None:
processed_repos = {}
os.path.walk(self.path, self.walker, processed_repos)
self.scrub_orphans()
self.guess_kickstarts()
return True
raise cexceptions.CobblerException("path not specified")
def scrub_orphans(self):
"""
This has nothing to do with parentless children that need baths.
first: remove any distros with missing kernel or initrd files
second: remove any profiles that depend on distros that don't exist
systems will be left as orphans as the MAC info may be useful
to the sysadmin and may not be recorded elsewhere. We will report
the orphaned systems.
FIXME: this should also be a seperate API command as it's useful elsewhere
"""
print "- Removing orphaned distributions"
for distro in self.distros:
remove = False
if not os.path.exists(distro.kernel):
print "- Orphaned distro (no kernel): %s" % distro.name
remove = True
if not os.path.exists(distro.initrd):
print "- Orphaned distro (no initrd): %s" % distro.name
remove = True
if not remove:
continue
# cascade removal
for profile in self.profiles:
if profile.distro == distro.name:
# cascade removal of systems
for system in self.systems:
if system.profile == profile.name:
print "- System removed: %s" % system.name
self.systems.remove(system.name)
print "- Profile removed: %s" % profile.name
self.profiles.remove(profile.name)
print "- Distro removed: %s" % distro.name
self.distros.remove(distro.name)
def guess_kickstarts(self):
"""
For all of the profiles in the config w/o a kickstart, look
at the kernel path, from that, see if we can guess the distro,
and if we can, assign a kickstart if one is available for it.
"""
for profile in self.profiles:
distro = self.distros.find(profile.distro)
if distro is None:
raise cexceptions.CobblerException("orphan_distro2",profile.name,profile.distro)
kpath = distro.kernel
if not kpath.startswith("%s/ks_mirror/" % self.settings.webdir):
continue
for entry in MATCH_LIST:
(part, kickstart) = entry
if kpath.find(part) != -1:
if os.path.exists(kickstart):
print "*** ASSIGNING kickstart: %s" % kickstart
profile.set_kickstart(kickstart)
# from the kernel path, the tree path is always two up.
dirname = os.path.dirname(kpath)
print "dirname = %s" % dirname
tokens = dirname.split("/")
tokens = tokens[:-2]
base = "/".join(tokens)
base = base.replace(self.settings.webdir,"")
tree = "tree=http://%s/%s" % (self.settings.server, base)
print "*** KICKSTART TREE = %s" % tree
profile.set_ksmeta(tree)
self.serialize_counter = self.serialize_counter + 1
if (self.serialize_counter % 5) == 0:
self.api.serialize()
def walker(self,processed_repos,dirname,fnames):
initrd = None
kernel = None
for tentative in fnames:
for filter_out in DIRECTORY_SIEVE:
if tentative == filter_out:
fnames.remove(tentative)
print "%s" % dirname
if not self.is_pxe_or_virt_dir(dirname):
return
# keep track of where we've run create repo
for x in fnames:
if x.startswith("initrd"):
initrd = os.path.join(dirname,x)
if x.startswith("vmlinuz"):
kernel = os.path.join(dirname,x)
if initrd is not None and kernel is not None:
self.add_entry(dirname,kernel,initrd)
# repo is up two locations and down in repodata
path_parts = kernel.split("/")[:-3]
comps_path = "/".join(path_parts)
print "- looking for comps in %s" % comps_path
comps_file = os.path.join(comps_path, "repodata", "comps.xml")
if not os.path.exists(comps_file):
print "- no comps file found: %s" % comps_file
try:
# don't run creatrepo twice -- this can happen easily for Xen and PXE, when
# they'll share same repo files.
if not processed_repos.has_key(comps_path):
cmd = "createrepo --basedir / --groupfile %s %s" % (comps_file, comps_path)
print "- %s" % cmd
sub_process.call(cmd,shell=True)
print "- repository updated"
processed_repos[comps_path] = 1
except:
print "- error launching createrepo, ignoring for now..."
traceback.print_exc()
def add_entry(self,dirname,kernel,initrd):
pxe_arch = self.get_pxe_arch(dirname)
name = self.get_proposed_name(dirname)
if self.distros.find(name) is not None:
print "already registered: %s" % name
else:
distro = self.config.new_distro()
distro.set_name(name)
distro.set_kernel(kernel)
distro.set_initrd(initrd)
distro.set_arch(pxe_arch)
self.distros.add(distro)
print "(distro added)"
if self.profiles.find(name) is None:
profile = self.config.new_profile()
profile.set_name(name)
profile.set_distro(name)
self.profiles.add(profile)
print "(profile added)"
self.serialize_counter = self.serialize_counter + 1
if (self.serialize_counter % 5) == 0:
self.api.serialize()
def get_proposed_name(self,dirname):
name = "_".join(dirname.split("/"))
if name.startswith("_"):
name = name[1:]
return name
def get_pxe_arch(self,dirname):
t = dirname
if t.find("x86_64") != -1:
return "x86_64"
if t.find("ia64") != -1:
return "ia64"
if t.find("i386") != -1 or t.find("386") != -1 or t.find("x86") != -1:
return "x86"
return "x86"
def is_pxe_or_virt_dir(self,dirname):
if dirname.find("pxe") != -1 or dirname.find("xen") != -1 or dirname.find("virt") != -1:
return True
return False
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