def inv_set_ipmi_pxe_ip(config_path):
"""Configure DHCP IP reservations for IPMI and PXE interfaces
IP addresses are assigned sequentially within the appropriate
client networks starting with the DHCP pool start offset defined
in 'lib.genesis'.
Raises:
UserException: - No IPMI or PXE client networks defined within
the 'config.yml'
- Unable to connect to BMC at new IPMI IP address
"""
log = logger.getlogger()
cfg = Config(config_path)
inv = Inventory(cfg_file=config_path)
ipmiNetwork = None
pxeNetwork = None
nodes_list = []
# All nodes should be powered off before starting
ipmi_set_power('off', config_path, wait=POWER_WAIT)
# Create IPManager object for IPMI and/or PXE networks
start_offset = gen.get_dhcp_pool_start()
for index, netw_type in enumerate(cfg.yield_depl_netw_client_type()):
ip = cfg.get_depl_netw_client_cont_ip(index)
netmask = cfg.get_depl_netw_client_netmask(index)
if netw_type == 'ipmi':
ipmiNetwork = IPManager(IPNetwork(ip + '/' + netmask),
start_offset)
elif netw_type == 'pxe':
pxeNetwork = IPManager(IPNetwork(ip + '/' + netmask), start_offset)
# If only one network is defined use the same IPManager for both
if ipmiNetwork is None and pxeNetwork is not None:
ipmiNetwork = pxeNetwork
elif ipmiNetwork is not None and pxeNetwork is None:
pxeNetwork = ipmiNetwork
elif ipmiNetwork is None and pxeNetwork is None:
raise UserException('No IPMI or PXE client network found')
# Modify IP addresses for each node
dhcp_lease_time = cfg.get_globals_dhcp_lease_time()
for index, hostname in enumerate(inv.yield_nodes_hostname()):
# IPMI reservations are written directly to the dnsmasq template
ipmi_ipaddr = inv.get_nodes_ipmi_ipaddr(0, index)
ipmi_mac = inv.get_nodes_ipmi_mac(0, index)
ipmi_new_ipaddr = ipmiNetwork.get_next_ip()
util.remove_line(DNSMASQ_TEMPLATE, "^dhcp-host=" + ipmi_mac + ".*")
util.append_line(
DNSMASQ_TEMPLATE, 'dhcp-host=%s,%s-bmc,%s,%s\n' %
(ipmi_mac, hostname, ipmi_new_ipaddr, dhcp_lease_time))
_adjust_dhcp_pool(ipmiNetwork.network,
ipmiNetwork.get_next_ip(reserve=False),
dhcp_lease_time)
# PXE reservations are handled by Cobbler
pxe_ipaddr = inv.get_nodes_pxe_ipaddr(0, index)
pxe_mac = inv.get_nodes_pxe_mac(0, index)
pxe_new_ipaddr = pxeNetwork.get_next_ip()
log.info('Modifying Inventory PXE IP - Node: %s MAC: %s '
'Original IP: %s New IP: %s' %
(hostname, pxe_mac, pxe_ipaddr, pxe_new_ipaddr))
inv.set_nodes_pxe_ipaddr(0, index, pxe_new_ipaddr)
_adjust_dhcp_pool(pxeNetwork.network,
pxeNetwork.get_next_ip(reserve=False),
dhcp_lease_time)
# Run Cobbler sync to process DNSMASQ template
cobbler_server = xmlrpclib.Server("http://127.0.0.1/cobbler_api")
token = cobbler_server.login(COBBLER_USER, COBBLER_PASS)
cobbler_server.sync(token)
log.debug("Running Cobbler sync")
# Save info to verify connection come back up
ipmi_userid = inv.get_nodes_ipmi_userid(index)
ipmi_password = inv.get_nodes_ipmi_password(index)
# No need to reset and check if the IP does not change
if ipmi_new_ipaddr != ipmi_ipaddr:
nodes_list.append({
'hostname': hostname,
'index': index,
'ipmi_userid': ipmi_userid,
'ipmi_password': ipmi_password,
'ipmi_new_ipaddr': ipmi_new_ipaddr,
'ipmi_ipaddr': ipmi_ipaddr,
'ipmi_mac': ipmi_mac
})
# Issue MC cold reset to force refresh of IPMI interfaces
for node in nodes_list:
ipmi_userid = node['ipmi_userid']
ipmi_password = node['ipmi_password']
ipmi_ipaddr = node['ipmi_ipaddr']
ipmi_cmd = ipmi_command.Command(bmc=ipmi_ipaddr,
userid=ipmi_userid,
password=ipmi_password)
ipmi_cmd.reset_bmc()
del ipmi_cmd
log.debug('BMC Cold Reset Issued - Node: %s - IP: %s' %
(hostname, ipmi_ipaddr))
# Check connections for set amount of time
end_time = time() + WAIT_TIME
while time() < end_time and len(nodes_list) > 0:
success_list = []
for list_index, node in enumerate(nodes_list):
hostname = node['hostname']
index = node['index']
ipmi_userid = node['ipmi_userid']
ipmi_password = node['ipmi_password']
ipmi_new_ipaddr = node['ipmi_new_ipaddr']
ipmi_ipaddr = node['ipmi_ipaddr']
ipmi_mac = node['ipmi_mac']
# Attempt to connect to new IPMI IP address
try:
ipmi_cmd = ipmi_command.Command(bmc=ipmi_new_ipaddr,
userid=ipmi_userid,
password=ipmi_password)
status = ipmi_cmd.get_power()
except pyghmi_exception.IpmiException as error:
log.debug('BMC connection failed - Node: %s IP: %s, %s '
'(Retrying for %s seconds)' %
(hostname, ipmi_new_ipaddr, str(error), WAIT_TIME))
continue
# If connection sucessful modify inventory
if status.get('powerstate') in ['on', 'off']:
log.debug('BMC connection success - Node: %s IP: %s' %
(hostname, ipmi_new_ipaddr))
log.info('Modifying Inventory IPMI IP - Node: %s MAC: %s '
'Original IP: %s New IP: %s' %
(hostname, ipmi_mac, ipmi_ipaddr, ipmi_new_ipaddr))
inv.set_nodes_ipmi_ipaddr(0, index, ipmi_new_ipaddr)
success_list.append(list_index)
# Remove nodes that connected successfully
for remove_index in sorted(success_list, reverse=True):
del nodes_list[remove_index]
for node in nodes_list:
log.error('Unable to connect to BMC at new IPMI IP address- Node: %s '
'MAC: %s Original IP: %s New IP: %s' %
(hostname, ipmi_mac, ipmi_ipaddr, ipmi_new_ipaddr))
if len(nodes_list) > 0:
raise UserException('%d BMC(s) not responding after IP modification' %
len(nodes_list))
def inv_set_ipmi_pxe_ip(config_path):
"""Configure DHCP IP reservations for IPMI and PXE interfaces
IP addresses are assigned sequentially within the appropriate
client networks starting with the DHCP pool start offset defined
in 'lib.genesis'.
Raises:
UserException: - No IPMI or PXE client networks defined within
the 'config.yml'
- Unable to connect to BMC at new IPMI IP address
"""
log = logger.getlogger()
cfg = Config(config_path)
inv = Inventory(cfg_file=config_path)
ipmiNetwork = None
pxeNetwork = None
nodes_list = []
# All nodes should be powered off before starting
set_power_clients('off', config_path, wait=POWER_WAIT)
# Create IPManager object for IPMI and/or PXE networks
start_offset = gen.get_dhcp_pool_start()
for index, netw_type in enumerate(cfg.yield_depl_netw_client_type()):
ip = cfg.get_depl_netw_client_cont_ip(index)
netmask = cfg.get_depl_netw_client_netmask(index)
if netw_type == 'ipmi':
ipmiNetwork = IPManager(IPNetwork(ip + '/' + netmask),
start_offset)
elif netw_type == 'pxe':
pxeNetwork = IPManager(IPNetwork(ip + '/' + netmask), start_offset)
# If only one network is defined use the same IPManager for both
if ipmiNetwork is None and pxeNetwork is not None:
ipmiNetwork = pxeNetwork
elif ipmiNetwork is not None and pxeNetwork is None:
pxeNetwork = ipmiNetwork
elif ipmiNetwork is None and pxeNetwork is None:
raise UserException('No IPMI or PXE client network found')
# Modify IP addresses for each node
dhcp_lease_time = cfg.get_globals_dhcp_lease_time()
for index, hostname in enumerate(inv.yield_nodes_hostname()):
# IPMI reservations are written directly to the dnsmasq template
ipmi_ipaddr = inv.get_nodes_ipmi_ipaddr(0, index)
ipmi_mac = inv.get_nodes_ipmi_mac(0, index)
ipmi_new_ipaddr = ipmiNetwork.get_next_ip()
util.remove_line(DNSMASQ_TEMPLATE, "^dhcp-host=" + ipmi_mac + ".*")
util.append_line(
DNSMASQ_TEMPLATE, 'dhcp-host=%s,%s-bmc,%s,%s\n' %
(ipmi_mac, hostname, ipmi_new_ipaddr, dhcp_lease_time))
_adjust_dhcp_pool(ipmiNetwork.network,
ipmiNetwork.get_next_ip(reserve=False),
dhcp_lease_time)
# PXE reservations are handled by Cobbler
pxe_ipaddr = inv.get_nodes_pxe_ipaddr(0, index)
pxe_mac = inv.get_nodes_pxe_mac(0, index)
pxe_new_ipaddr = pxeNetwork.get_next_ip()
log.info('Modifying Inventory PXE IP - Node: %s MAC: %s '
'Original IP: %s New IP: %s' %
(hostname, pxe_mac, pxe_ipaddr, pxe_new_ipaddr))
inv.set_nodes_pxe_ipaddr(0, index, pxe_new_ipaddr)
_adjust_dhcp_pool(pxeNetwork.network,
pxeNetwork.get_next_ip(reserve=False),
dhcp_lease_time)
# Run Cobbler sync to process DNSMASQ template
cobbler_server = xmlrpc.client.Server("http://127.0.0.1/cobbler_api")
token = cobbler_server.login(COBBLER_USER, COBBLER_PASS)
cobbler_server.sync(token)
log.debug("Running Cobbler sync")
# Save info to verify connection come back up
ipmi_userid = inv.get_nodes_ipmi_userid(index)
ipmi_password = inv.get_nodes_ipmi_password(index)
bmc_type = inv.get_nodes_bmc_type(index)
# No need to reset and check if the IP does not change
if ipmi_new_ipaddr != ipmi_ipaddr:
nodes_list.append({
'hostname': hostname,
'index': index,
'ipmi_userid': ipmi_userid,
'ipmi_password': ipmi_password,
'ipmi_new_ipaddr': ipmi_new_ipaddr,
'ipmi_ipaddr': ipmi_ipaddr,
'ipmi_mac': ipmi_mac,
'bmc_type': bmc_type
})
# Issue MC cold reset to force refresh of IPMI interfaces
for node in nodes_list:
ipmi_userid = node['ipmi_userid']
ipmi_password = node['ipmi_password']
ipmi_ipaddr = node['ipmi_ipaddr']
bmc_type = node['bmc_type']
bmc = _bmc.Bmc(ipmi_ipaddr, ipmi_userid, ipmi_password, bmc_type)
if bmc.is_connected():
log.debug(f'Issuing BMC Cold Reset - Node: {node["hostname"]} '
f'- IP: {ipmi_ipaddr}')
if not bmc.bmc_reset('cold'):
log.error(
f'Failed attempting BMC reset on {node["ipmi_ipaddr"]}')
bmc.logout()
log.info('Pausing 1 minute for BMCs to begin reset')
sleep(60)
# Check connections for set amount of time
end_time = time() + WAIT_TIME
while time() < end_time and len(nodes_list) > 0:
print(f'\rTimeout count down: {int(end_time - time())} ', end='')
sys.stdout.flush()
success_list = []
sleep(2)
for list_index, node in enumerate(nodes_list):
hostname = node['hostname']
index = node['index']
ipmi_userid = node['ipmi_userid']
ipmi_password = node['ipmi_password']
ipmi_new_ipaddr = node['ipmi_new_ipaddr']
ipmi_ipaddr = node['ipmi_ipaddr']
ipmi_mac = node['ipmi_mac']
bmc_type = node['bmc_type']
# Attempt to connect to new IPMI IP address
bmc = _bmc.Bmc(ipmi_new_ipaddr, ipmi_userid, ipmi_password,
bmc_type)
if bmc.is_connected():
if bmc.chassis_power('status') in ('on', 'off'):
log.debug(f'BMC connection success - Node: {hostname} '
f'IP: {ipmi_ipaddr}')
else:
log.debug(f'BMC communication failed - Node: {hostname} '
f'IP: {ipmi_ipaddr}')
continue
log.info(
f'Modifying Inventory IPMI IP - Node: {hostname} MAC: '
f'{ipmi_mac} Original IP: {ipmi_ipaddr} New IP: '
f'{ipmi_new_ipaddr}')
inv.set_nodes_ipmi_ipaddr(0, index, ipmi_new_ipaddr)
success_list.append(list_index)
else:
log.debug(f'BMC connection failed - Node: {hostname} '
f'IP: {ipmi_ipaddr}')
continue
# Remove nodes that connected successfully
for remove_index in sorted(success_list, reverse=True):
del nodes_list[remove_index]
for node in nodes_list:
log.error('Unable to connect to BMC at new IPMI IP address- Node: %s '
'MAC: %s Original IP: %s New IP: %s' %
(hostname, ipmi_mac, ipmi_ipaddr, ipmi_new_ipaddr))
if len(nodes_list) > 0:
raise UserException('%d BMC(s) not responding after IP modification' %
len(nodes_list))