def setup_tftp_root(tftp_rootdir):
"""
[DESTRUCTIVELY!!!] Sets up a TFTP root to work
It will wipe anything in some parts of there with 'rsync --delete'
"""
def _rsync_files(dest, files):
try:
commonl.makedirs_p(dest, 0o0775)
cmdline = ["rsync", "-a", "--delete"] + files + [dest]
subprocess.check_output(cmdline,
shell=False,
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
logging.error("PXE setup: root::%s: can't copy files %s "
" (do they exist?)\n%s" %
(dest, " ".join(files), e.output))
raise
# TFTP setup
commonl.makedirs_p(os.path.join(tftp_rootdir, "pxelinux.cfg"), 0o0775)
if 'root' in architectures:
arch_data = architectures['root']
_rsync_files(tftp_rootdir, arch_data['copy_files'])
for arch_name, arch_data in architectures.iteritems():
if arch_name == 'root': # skip, we handled it ...
continue # ... differently
tftp_arch_dir = os.path.join(tftp_rootdir, arch_name)
_rsync_files(tftp_arch_dir, arch_data['copy_files'])
# We use always the same configurations; because the rsync
# above might remove the symlink, we re-create it
# We use a relative symlink so in.tftpd doesn't nix it
commonl.symlink_f("../pxelinux.cfg",
os.path.join(tftp_arch_dir, "pxelinux.cfg"))
def power_on_do(self, target):
"""
Start DHCPd servers on the network interface
described by `target`
"""
if self.target == None:
self.target = target
else:
assert self.target == target
# FIXME: detect @target is an ipv4 capable network, fail otherwise
self._init_for_process(target)
# Create runtime directories where we place everything based
# on the infomation in pxe_architectures
shutil.rmtree(self.state_dir, ignore_errors = True)
os.makedirs(self.state_dir)
# TFTP setup
commonl.makedirs_p(os.path.join(tftp_dir, tftp_prefix,
"pxelinux.cfg"),
0o0775)
for arch_name, arch_data in pxe_architectures.iteritems():
tftp_arch_dir = os.path.join(tftp_dir, tftp_prefix, arch_name)
commonl.makedirs_p(tftp_arch_dir, 0o0775)
cmdline = [ "rsync", "-a", "--delete" ] \
+ arch_data['copy_files'] + [ tftp_arch_dir ]
subprocess.call(cmdline, shell = False, stderr = subprocess.STDOUT)
# We use always the same configurations; because the rsync
# above might remove the symlink, we re-create it
# We use a relative symlink so in.tftpd doesn't nix it
commonl.symlink_f("../pxelinux.cfg",
os.path.join(tftp_arch_dir, "pxelinux.cfg"))
# We set the parameters in a dictionary so we can use it to
# format strings
# FUGLY; relies on ttbl.conf_00_lib.vlan_pci renaming the
# network interfaces like this.
self._params['if_name'] = "b" + target.id
# FIXME: if we get the parameters from the network here, we
# have target -- so we don't need to set them on init
with open(os.path.join(self.state_dir, "dhcpd.conf"), "wb") as f:
self._dhcp_conf_write(f)
# FIXME: before start, filter out leases file, anything in the
# leases dhcpd.leases file that has a "binding state active"
# shall be kept ONLY if we still have that client in the
# configuration...or sth like that.
# FIXME: rm old leases file, overwrite with filtered one
self._dhcpd_start()
def power_on_do(self, target):
"""
Start DHCPd servers on the network interface
described by `target`
"""
if self.target == None:
self.target = target
else:
assert self.target == target
# FIXME: detect @target is an ipv4 capable network, fail otherwise
self._init_for_process(target)
# Create runtime directories where we place everything based
# on the infomation in pxe_architectures
shutil.rmtree(self.state_dir, ignore_errors=True)
os.makedirs(self.state_dir)
# TFTP setup
commonl.makedirs_p(os.path.join(tftp_dir, tftp_prefix, "pxelinux.cfg"),
0o0775)
for arch_name, arch_data in pxe_architectures.iteritems():
tftp_arch_dir = os.path.join(tftp_dir, tftp_prefix, arch_name)
commonl.makedirs_p(tftp_arch_dir, 0o0775)
cmdline = [ "rsync", "-a", "--delete" ] \
+ arch_data['copy_files'] + [ tftp_arch_dir ]
subprocess.call(cmdline, shell=False, stderr=subprocess.STDOUT)
# We use always the same configurations; because the rsync
# above might remove the symlink, we re-create it
# We use a relative symlink so in.tftpd doesn't nix it
commonl.symlink_f("../pxelinux.cfg",
os.path.join(tftp_arch_dir, "pxelinux.cfg"))
# We set the parameters in a dictionary so we can use it to
# format strings
# FUGLY; relies on ttbl.conf_00_lib.vlan_pci renaming the
# network interfaces like this.
self._params['if_name'] = "b" + target.id
# FIXME: if we get the parameters from the network here, we
# have target -- so we don't need to set them on init
with open(os.path.join(self.state_dir, "dhcpd.conf"), "wb") as f:
self._dhcp_conf_write(f)
# FIXME: before start, filter out leases file, anything in the
# leases dhcpd.leases file that has a "binding state active"
# shall be kept ONLY if we still have that client in the
# configuration...or sth like that.
# FIXME: rm old leases file, overwrite with filtered one
self._dhcpd_start()