def __getPXEFiles(self, dbNode):
'''
Returns a list of fully-qualified paths to the PXE file(s)
associated with the given nodename.
'''
try:
# Find the first nic marked as bootable
nic = get_provisioning_nic(dbNode)
if not nic.mac:
return []
return [
self.__getPxelinuxBootFilePath(nic.mac),
self.__get_kickstart_file_path(dbNode)
]
except NicNotFound:
return []
def removeDhcpLease(self, node) -> NoReturn:
# Find first provisioning NIC
try:
nic = get_provisioning_nic(node)
except NicNotFound:
return
self.getLogger().debug(
'Removing DHCP lease for node [%s] MAC [%s]' % (
node.name, nic.mac))
dhcpName = self._getDhcpNodeName(node, nic)
cmds = dedent("""\
connect
new host
set name = "{name}"
set hardware-address = {mac}
set hardware-type = 1
set ip-address = {ip}
open
remove
"""
)
cmds = cmds.format(name=dhcpName, mac=nic.mac, ip=nic.ip)
p = subprocess.Popen(['/usr/bin/omshell'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE, encoding='utf-8')
stdout, stderr = p.communicate(cmds)
if p.poll() != 0:
self.getLogger().error(
'Error removing DHCP lease for node [%s] (retval=%d): %s' % (
node.name, p.returncode, stdout))
def test_get_provisioning_nic_no_prov_nic(node):
with pytest.raises(NicNotFound):
get_provisioning_nic(node)
def test_get_provisioning_nic(node_with_nics):
nic = get_provisioning_nic(node_with_nics)
assert nic
assert nic.ip == '192.168.0.4'
def writePXEFile(self, node, localboot=None, hardwareprofile=None,
softwareprofile=None):
# 'hardwareProfile', 'softwareProfile', and 'localboot' are
# overrides. If not specified, node.hardwareprofile,
# node.softwareprofile, and node.bootFrom values are used
# respectively.
hwprofile = hardwareprofile if hardwareprofile else \
node.hardwareprofile
swprofile = softwareprofile if softwareprofile else \
node.softwareprofile
localboot = bool(localboot) \
if localboot is not None else bool(node.bootFrom)
self.getLogger().debug(
'writePXEFile(): node=[%s], hwprofile=[%s],'
' swprofile=[%s], localboot=[%s]' % (
node.name, hwprofile.name, swprofile.name, localboot))
provisioningNics = hwprofile.nics
osFamilyInfo = swprofile.os.family
# Find the first nic marked as bootable
try:
nic = get_provisioning_nic(node)
except NicNotFound:
# Node does not have a nic marked as bootable.
return
result = "# PXE boot configuration for %s\n" % (node.name)
if localboot:
result += """
default localdisk
prompt 0
label localdisk
"""
# Use a sane default
localBootParams = hwprofile.localBootParams \
if hwprofile.localBootParams else \
"kernel chain.c32;append hd0"
for localBootParam in localBootParams.split(';'):
result += " %s\n" % (localBootParam)
else:
result += """\
default Reinstall
prompt 0
label Reinstall
"""
installerIp = provisioningNics[0].ip
if hwprofile.installType == 'package':
# Default pxelinux.cfg for package-based installations
# Find the best IP address to use
ksurl = 'http://%s:%d/kickstarts/%s' % (
installerIp, self._cm.getIntWebPort(),
self.__get_kickstart_file_name(node))
# Call the external support module
try:
osSupport = __import__(
'tortuga.os.%s.osSupport' % (osFamilyInfo.name),
globals(), locals(), ['osSupport'], 0)
if not hasattr(osSupport, 'OSSupport'):
self.getLogger().error(
'Invalid OS support module for [%s]' % (
osFamilyInfo.name))
return
result += osSupport.OSSupport(
osFamilyInfo).getPXEReinstallSnippet(
ksurl, node, hardwareprofile=hwprofile,
softwareprofile=swprofile) + '\n'
except ImportError:
self.getLogger().warning(
'OS support module not found for [%s]' % (
osFamilyInfo.name))
else:
bootParams = getBootParameters(hwprofile, swprofile)
result += ''' kernel %s
append initrd=%s hostname=%s %s''' % (bootParams['kernel'],
bootParams['initrd'],
node.name,
bootParams['kernelParams'])
# Write file contents
filename = self.__getPxelinuxBootFilePath(nic.mac)
current_euid = os.geteuid()
current_egid = os.getegid()
try:
# The PXE file needs to be owned by the 'apache' user, so the
# WS API can update it.
os.setegid(self.passdata.pw_gid)
os.seteuid(self.passdata.pw_uid)
fp = os.open(
filename, os.O_CREAT | os.O_TRUNC | os.O_WRONLY, 0o644)
os.write(fp, result.encode())
os.close(fp)
finally:
os.seteuid(current_euid)
os.setegid(current_egid)
if hwprofile.installType == 'package':
# Now write out the kickstart file
self._writeKickstartFile(node, hwprofile, swprofile)
# Write 'cloud-init' configuration
self.write_other_boot_files(node, hwprofile, swprofile)
def __dhcp_discovery(self, addNodesRequest, dbSession, dbHardwareProfile,
dbSoftwareProfile):
# Listen for DHCP requests
if not dbHardwareProfile.nics:
raise CommandFailed(
'Hardware profile [%s] does not have a provisioning'
' NIC defined' % (dbHardwareProfile.name))
newNodes = []
deviceName = addNodesRequest['deviceName'] \
if 'deviceName' in addNodesRequest else None
nodeCount = addNodesRequest['count'] \
if 'count' in addNodesRequest else 0
bGenerateIp = dbHardwareProfile.location != 'remote'
# Obtain platform-specific packet capture subprocess object
addHostManager = osUtility.getOsObjectFactory().getOsAddHostManager()
deviceName = dbHardwareProfile.nics[0].networkdevice.name
p1 = addHostManager.dhcpCaptureSubprocess(deviceName)
if nodeCount:
self.getLogger().debug(
'Adding [%s] new %s' %
(nodeCount, 'nodes' if nodeCount > 1 else 'node'))
self.looping = True
index = 0
# Node count was not specified, so discover DHCP nodes
# until manually aborted by user.
msg = 'Waiting for new node...' if not nodeCount else \
'Waiting for new node #1 of %d...' % (nodeCount)
try:
while self.looping:
# May not need this...
dataReady = select.select([p1.stdout], [], [], 5)
if not dataReady[0]:
continue
line = p1.stdout.readline()
if not line:
self.getLogger().debug(
'DHCP packet capture process ended... exiting')
break
self.getLogger().debug('Read line "%s" len=%s' %
(line, len(line)))
mac = addHostManager.getMacAddressFromCaptureEntry(line)
if not mac:
continue
self.getLogger().debug('Discovered MAC address [%s]' % (mac))
if self.__is_duplicate_mac(mac, newNodes):
# Ignore DHCP request from known MAC
self.getLogger().debug(
'MAC address [%s] is already known' % (mac))
continue
addNodeRequest = {}
if 'rack' in addNodesRequest:
addNodeRequest['rack'] = addNodesRequest['rack']
# Get nics based on hardware profile networks
addNodeRequest['nics'] = initialize_nics(
dbHardwareProfile.nics[0],
dbHardwareProfile.hardwareprofilenetworks, mac)
# We may be trying to create the same node for the
# second time so we'll ignore errors
try:
node = self.nodeApi.createNewNode(None,
addNodeRequest,
dbHardwareProfile,
dbSoftwareProfile,
bGenerateIp=bGenerateIp)
except NodeAlreadyExists as ex:
existingNodeName = ex.args[0]
self.getLogger().debug('Node [%s] already exists' %
(existingNodeName))
continue
except MacAddressAlreadyExists:
self.getLogger().debug('MAC address [%s] already exists' %
(mac))
continue
except IpAlreadyExists as ex:
self.getLogger().debug('IP address already in use by node'
' [%s]: %s' %
(existingNodeName, ex))
continue
# Add the newly created node to the session
dbSession.add(node)
# Create DHCP/PXE configuration
self.writeLocalBootConfiguration(node, dbHardwareProfile,
dbSoftwareProfile)
index += 1
# Use first provisioning nic
nic = get_provisioning_nic(node)
try:
msg = 'Added node [%s] IP [%s]' % (node.name, nic.ip)
if nic.mac:
msg += ' MAC [%s]' % (nic.mac)
self.getLogger().info(msg)
except Exception as ex:
self.getLogger().exception('Error setting status message')
self._pre_add_host(node.name, dbHardwareProfile.name,
dbSoftwareProfile.name, nic.ip)
newNodes.append(node)
if nodeCount > 0:
nodeCount -= 1
if not nodeCount:
self.looping = False
except Exception as msg:
self.getLogger().exception('DHCP discovery failed')
try:
os.kill(p1.pid, signal.SIGKILL)
os.waitpid(p1.pid, 0)
except Exception:
self.getLogger().exception('Error killing network capture process')
# This is a necessary evil for the time being, until there's
# a proper context manager implemented.
self.addHostApi.clear_session_nodes(newNodes)
return newNodes
