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"""
Running small pieces of cobbler sync when certain actions are taken,
such that we don't need a time consuming sync when adding new
systems if nothing has changed for systems that have already
been created.
Copyright 2006, Red Hat, Inc
Michael DeHaan <mdehaan@redhat.com>
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., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
"""
import os
import os.path
import shutil
import time
import yaml # Howell-Clark version
import sub_process
import sys
import utils
import action_sync
from cexceptions import *
import traceback
import errno
from utils import _
class BootLiteSync:
"""
Handles conversion of internal state to the tftpboot tree layout
"""
def __init__(self,config,verbose=False):
"""
Constructor
"""
self.verbose = verbose
self.config = config
self.distros = config.distros()
self.profiles = config.profiles()
self.systems = config.systems()
self.images = config.images()
self.settings = config.settings()
self.repos = config.repos()
self.sync = config.api.get_sync(verbose)
def add_single_distro(self, name):
# get the distro record
distro = self.distros.find(name=name)
if distro is None:
raise CX(_("error in distro lookup: %s") % name)
# copy image files to images/$name in webdir & tftpboot:
self.sync.pxegen.copy_single_distro_files(distro)
# generate any templates listed in the distro
self.sync.pxegen.write_templates(distro)
# cascade sync
kids = distro.get_children()
for k in kids:
self.add_single_profile(k.name, rebuild_menu=False)
self.sync.pxegen.make_pxe_menu()
def add_single_image(self, name):
image = self.images.find(name=name)
self.sync.pxegen.copy_single_image_files(image)
kids = image.get_children()
for k in kids:
self.add_single_system(k.name)
self.sync.pxegen.make_pxe_menu()
def remove_single_distro(self, name):
bootloc = utils.tftpboot_location()
# delete contents of images/$name directory in webdir
utils.rmtree(os.path.join(self.settings.webdir, "images", name))
# delete contents of images/$name in tftpboot
utils.rmtree(os.path.join(bootloc, "images", name))
# delete potential symlink to tree in webdir/links
utils.rmfile(os.path.join(self.settings.webdir, "links", name))
def remove_single_image(self, name):
bootloc = utils.tftpboot_location()
utils.rmfile(os.path.join(bootloc, "images2", name))
def add_single_profile(self, name, rebuild_menu=True):
# get the profile object:
profile = self.profiles.find(name=name)
if profile is None:
raise CX(_("error in profile lookup for %s" % name))
# rebuild the yum configuration files for any attached repos
# generate any templates listed in the distro
self.sync.pxegen.write_templates(profile)
# cascade sync
kids = profile.get_children()
for k in kids:
if k.COLLECTION_TYPE == "profile":
self.add_single_profile(k.name, rebuild_menu=False)
else:
self.add_single_system(k.name)
if rebuild_menu:
self.sync.pxegen.make_pxe_menu()
return True
def remove_single_profile(self, name):
# delete profiles/$name file in webdir
utils.rmfile(os.path.join(self.settings.webdir, "profiles", name))
# delete contents on kickstarts/$name directory in webdir
utils.rmtree(os.path.join(self.settings.webdir, "kickstarts", name))
def update_system_netboot_status(self,name):
system = self.systems.find(name=name)
if system is None:
raise CX(_("error in system lookup for %s") % name)
self.sync.pxegen.write_all_system_files(system)
# generate any templates listed in the system
self.sync.pxegen.write_templates(system)
def add_single_system(self, name):
# get the system object:
system = self.systems.find(name=name)
if system is None:
raise CX(_("error in system lookup for %s") % name)
# rebuild system_list file in webdir
if self.settings.manage_dhcp:
self.sync.dhcp.regen_ethers()
if self.settings.manage_dns:
self.sync.dns.regen_hosts()
# write the PXE files for the system
self.sync.pxegen.write_all_system_files(system)
# generate any templates listed in the distro
self.sync.pxegen.write_templates(system)
# per system kickstarts
if self.settings.manage_dhcp:
if self.settings.omapi_enabled:
for (name,interface) in system.interfaces.iteritems():
self.sync.dhcp.write_dhcp_lease(
self.settings.omapi_port,
interface["dns_name"],
interface["mac_address"],
interface["ip_address"]
)
def remove_single_system(self, name):
bootloc = utils.tftpboot_location()
system_record = self.systems.find(name=name)
# delete contents of kickstarts_sys/$name in webdir
system_record = self.systems.find(name=name)
if self.settings.manage_dhcp:
if self.settings.omapi_enabled:
for (name,interface) in system_record.interfaces.iteritems():
self.sync.dhcp.remove_dhcp_lease(
self.settings.omapi_port,
interface["dns_name"]
)
itanic = False
profile = self.profiles.find(name=system_record.profile)
if profile is not None:
distro = self.distros.find(name=profile.distro)
if distro is not None and distro in [ "ia64", "IA64"]:
itanic = True
for (name,interface) in system_record.interfaces.iteritems():
filename = utils.get_config_filename(system_record,interface=name)
if not itanic:
utils.rmfile(os.path.join(bootloc, "pxelinux.cfg", filename))
else:
utils.rmfile(os.path.join(bootloc, filename))
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