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confluent/confluent_osdeploy/el7/profiles/default/scripts/configbmc

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# Copyright 2017 Lenovo
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
import ctypes
import fcntl
import json
from select import select
import socket
import struct
import os
import subprocess
import sys
import time
if os.path.exists('/opt/confluent/bin/apiclient'):
apiclient = '/opt/confluent/bin/apiclient'
elif os.path.exists('/etc/confluent/apiclient'):
apiclient = '/etc/confluent/apiclient'
class IpmiMsg(ctypes.Structure):
_fields_ = [('netfn', ctypes.c_ubyte),
('cmd', ctypes.c_ubyte),
('data_len', ctypes.c_short),
('data', ctypes.POINTER(ctypes.c_ubyte))]
class IpmiSystemInterfaceAddr(ctypes.Structure):
_fields_ = [('addr_type', ctypes.c_int),
('channel', ctypes.c_short),
('lun', ctypes.c_ubyte)]
class IpmiRecv(ctypes.Structure):
_fields_ = [('recv_type', ctypes.c_int),
('addr', ctypes.POINTER(IpmiSystemInterfaceAddr)),
('addr_len', ctypes.c_uint),
('msgid', ctypes.c_long),
('msg', IpmiMsg)]
class IpmiReq(ctypes.Structure):
_fields_ = [('addr', ctypes.POINTER(IpmiSystemInterfaceAddr)),
('addr_len', ctypes.c_uint),
('msgid', ctypes.c_long),
('msg', IpmiMsg)]
_IONONE = 0
_IOWRITE = 1
_IOREAD = 2
IPMICTL_SET_MY_ADDRESS_CMD = (
_IOREAD << 30 | ctypes.sizeof(ctypes.c_uint) << 16
| ord('i') << 8 | 17) # from ipmi.h
IPMICTL_SEND_COMMAND = (
_IOREAD << 30 | ctypes.sizeof(IpmiReq) << 16
| ord('i') << 8 | 13) # from ipmi.h
# next is really IPMICTL_RECEIVE_MSG_TRUNC, but will only use that
IPMICTL_RECV = (
(_IOWRITE | _IOREAD) << 30 | ctypes.sizeof(IpmiRecv) << 16
| ord('i') << 8 | 11) # from ipmi.h
BMC_SLAVE_ADDR = ctypes.c_uint(0x20)
CURRCHAN = 0xf
ADDRTYPE = 0xc
class Session(object):
def __init__(self, devnode='/dev/ipmi0'):
"""Create a local session inband
:param: devnode: The path to the ipmi device
"""
self.ipmidev = open(devnode, 'r+')
fcntl.ioctl(self.ipmidev, IPMICTL_SET_MY_ADDRESS_CMD, BMC_SLAVE_ADDR)
# the interface is initted, create some reusable memory for our session
self.databuffer = ctypes.create_string_buffer(4096)
self.req = IpmiReq()
self.rsp = IpmiRecv()
self.addr = IpmiSystemInterfaceAddr()
self.req.msg.data = ctypes.cast(
ctypes.addressof(self.databuffer),
ctypes.POINTER(ctypes.c_ubyte))
self.rsp.msg.data = self.req.msg.data
self.userid = None
self.password = None
def await_reply(self):
rd, _, _ = select((self.ipmidev,), (), (), 1)
while not rd:
rd, _, _ = select((self.ipmidev,), (), (), 1)
def pause(self, seconds):
time.sleep(seconds)
@property
def parsed_rsp(self):
response = {'netfn': self.rsp.msg.netfn, 'command': self.rsp.msg.cmd,
'code': bytearray(self.databuffer.raw)[0],
'data': bytearray(
self.databuffer.raw[1:self.rsp.msg.data_len])}
return response
def await_config(s, bmccfg, channel):
vlan = bmccfg.get('bmcvlan', None)
ipv4 = bmccfg.get('bmcipv4', None)
prefix = bmccfg.get('prefixv4', None)
gw = bmccfg.get('bmcgw', None)
def raw_command(self,
netfn,
command,
data=(),
bridge_request=None,
retry=True,
delay_xmit=None,
timeout=None,
waitall=False, rslun=0):
self.addr.channel = CURRCHAN
self.addr.addr_type = ADDRTYPE
self.addr.lun = rslun
self.req.addr_len = ctypes.sizeof(IpmiSystemInterfaceAddr)
self.req.addr = ctypes.pointer(self.addr)
self.req.msg.netfn = netfn
self.req.msg.cmd = command
if data:
data = memoryview(bytearray(data))
try:
self.databuffer[:len(data)] = data[:len(data)]
except ValueError:
self.databuffer[:len(data)] = data[:len(data)].tobytes()
self.req.msg.data_len = len(data)
fcntl.ioctl(self.ipmidev, IPMICTL_SEND_COMMAND, self.req)
self.await_reply()
self.rsp.msg.data_len = 4096
self.rsp.addr = ctypes.pointer(self.addr)
self.rsp.addr_len = ctypes.sizeof(IpmiSystemInterfaceAddr)
fcntl.ioctl(self.ipmidev, IPMICTL_RECV, self.rsp)
return self.parsed_rsp
def _is_tsm(model):
return model in ('7y00', '7z01', '7y98', '7y99')
def set_port(s, port, vendor, model):
oport = port
if vendor not in ('IBM', 'Lenovo'):
raise Exception('{0} not implemented'.format(vendor))
if _is_tsm(model):
return set_port_tsm(s, port, model)
else:
set_port_xcc(s, port, model)
return 1
def set_port_tsm(s, port, model):
oport = port
sys.stdout.write('Setting TSM port to "{}"...'.format(oport))
sys.stdout.flush()
if port == 'ocp':
s.raw_command(0x32, 0x71, b'\x00\x01\x00')
elif port == 'dedicated':
s.raw_command(0x32, 0x71, b'\x00\x00\x00')
else:
raise Exception("Unsupported port for TSM")
timer = 15
while timer:
timer = timer - 1
time.sleep(1.0)
sys.stdout.write('.')
sys.stdout.flush()
if port == 'ocp':
iface = 0
s.raw_command(0x32, 0x71, b'\x00\x00\x03')
elif port == 'dedicated':
iface = 1
s.raw_command(0x32, 0x71, b'\x00\x01\x03')
rsp = s.raw_command(0x32, 0x72, bytearray([4, iface, 0]))
print('Complete')
return int(rsp['data'][0])
def set_port_xcc(s, port, model):
oport = port
if port.lower() == 'dedicated':
port = b'\x01'
elif port.lower() in ('ml2', 'ocp'):
port = b'\x02\x00'
elif port.lower() == 'lom':
if model == '7x58':
port = b'\x00\x02'
else:
port = b'\x00\x00'
else:
port = port.split(' ')
port = bytes(bytearray([int(x) for x in port]))
currport = bytes(s.raw_command(0xc, 2, b'\x01\xc0\x00\x00')['data'][1:])
if port == currport:
sys.stdout.write('XCC port already set to "{}"\n'.format(oport))
return
sys.stdout.write('Setting XCC port to "{}"...'.format(oport))
sys.stdout.flush()
s.raw_command(0xc, 1, b'\x01\xc0' + port)
tries = 60
while currport != port and tries:
tries -= 1
time.sleep(0.5)
sys.stdout.write('.')
sys.stdout.flush()
currport = bytes(s.raw_command(0xc, 2, b'\x01\xc0\x00\x00')['data'][1:])
if not tries:
raise Exception('Timeout attempting to set port')
sys.stdout.write('Complete\n')
def check_vlan(s, vlan, channel):
if vlan == 'off':
vlan = b'\x00\x00'
else:
vlan = int(vlan)
if vlan:
vlan = vlan | 32768
vlan = struct.pack('<H', vlan)
currvlan = bytes(s.raw_command(0xc, 2, bytearray([channel, 0x14 ,0, 0]))['data'][1:])
if bytearray(currvlan)[1] & 0b10000000 == 0:
currvlan = b'\x00\x00'
return currvlan == vlan
def set_vlan(s, vlan, channel):
ovlan = vlan
if vlan == 'off':
vlan = b'\x00\x00'
else:
vlan = int(vlan)
if vlan:
vlan = vlan | 32768
vlan = struct.pack('<H', vlan)
if check_vlan(s, ovlan, channel):
sys.stdout.write('VLAN already configured to "{0}"\n'.format(ovlan))
return False
rsp = s.raw_command(0xc, 1, bytearray([channel, 0x14]) + vlan)
if rsp.get('code', 1) == 0:
print('VLAN configured to "{}"'.format(ovlan))
else:
print('Error setting vlan: ' + repr(rsp))
return True
def get_lan_channel(s):
for chan in range(1, 16):
rsp = s.raw_command(6, 0x42, bytearray([chan]))['data']
if not rsp:
continue
medtype = int(rsp[1]) & 0b1111111
if medtype not in (4, 6):
continue
rsp = s.raw_command(0xc, 2, bytearray([2, chan, 5, 0, 0]))
if rsp.get('code', 1) == 0:
return chan
return 1
def check_ipv4(s, ipaddr, channel):
ipaddr = bytearray(socket.inet_aton(ipaddr))
rsp = s.raw_command(0xc, 2, bytearray([channel, 3, 0, 0]))['data'][-4:]
return rsp == ipaddr
def set_ipv4(s, ipaddr, channel):
oipaddr = ipaddr
ipaddr = bytearray(socket.inet_aton(ipaddr))
if check_ipv4(s, oipaddr, channel):
print('IP Address already set to {}'.format(oipaddr))
return False
rsp = int(s.raw_command(0xc, 2, bytearray([channel, 4, 0, 0]))['data'][1]) & 0b1111
if rsp != 1:
sys.stdout.write("Changing configuration to static...")
sys.stdout.flush()
resp = s.raw_command(0xc, 1, bytearray([channel, 4, 1]))
tries = 0
while rsp != 1 and tries < 30:
sys.stdout.write('.')
sys.stdout.flush()
tries += 1
time.sleep(0.5)
rsp = int(s.raw_command(0xc, 2, bytearray([channel, 4, 0, 0]))['data'][1]) & 0b1111
sys.stdout.write('Complete\n')
sys.stdout.flush()
print('Setting IP to {}'.format(oipaddr))
s.raw_command(0xc, 1, bytearray([channel, 3]) + ipaddr)
return True
def check_subnet(s, prefix, channel):
prefix = int(prefix)
mask = bytearray(struct.pack('!I', (2**32 - 1) ^ (2**(32 - prefix) - 1)))
rsp = s.raw_command(0xc, 2, bytearray([channel, 6, 0, 0]))['data'][-4:]
return rsp == mask
def set_subnet(s, prefix, channel):
oprefix = prefix
prefix = int(prefix)
mask = bytearray(struct.pack('!I', (2**32 - 1) ^ (2**(32 - prefix) - 1)))
if check_subnet(s, prefix, channel):
print('Subnet Mask already set to /{}'.format(oprefix))
return False
print('Setting subnet mask to /{}'.format(oprefix))
s.raw_command(0xc, 1, bytearray([channel, 6]) + mask)
return True
def check_gateway(s, gw, channel):
gw = bytearray(socket.inet_aton(gw))
rsp = s.raw_command(0xc, 2, bytearray([channel, 12, 0, 0]))['data'][-4:]
return rsp == gw
def set_gateway(s, gw, channel):
ogw = gw
gw = bytearray(socket.inet_aton(gw))
rsp = s.raw_command(0xc, 2, bytearray([channel, 12, 0, 0]))['data'][-4:]
if check_gateway(s, ogw, channel):
print('Gateway already set to {}'.format(ogw))
return False
print('Setting gateway to {}'.format(ogw))
s.raw_command(0xc, 1, bytearray([channel, 12]) + gw)
return True
def dotwait():
sys.stdout.write('.')
sys.stdout.flush()
time.sleep(0.5)
def main():
a = argparse.ArgumentParser(description='Locally configure a BMC device')
a.add_argument('-v', help='vlan id or off to disable vlan tagging')
a.add_argument('-p', help='Which port to use (dedicated, lom, ocp, ml2)')
a.add_argument('-i', help='JSON configuration file to read for '
'configuration')
a.add_argument('-c', help='Use Confluent API to direct BMC configuration',
action='store_true')
args = a.parse_args()
if args.i:
bmccfg = json.load(open(args.i))
elif args.c:
bmccfgsrc = subprocess.check_output(
[sys.executable, apiclient, '/confluent-api/self/bmcconfig', '-j'])
bmccfg = json.loads(bmccfgsrc)
else:
bmccfg = {}
if args.p is not None:
bmccfg['bmcport'] = args.p
if args.v is not None:
bmccfg['bmcvlan'] = args.v
vendor = open('/sys/devices/virtual/dmi/id/sys_vendor').read()
vendor = vendor.strip()
try:
model = open('/sys/devices/virtual/dmi/id/product_sku').read().strip()
if model == 'none':
raise Exception('No SKU')
except Exception:
model = open('/sys/devices/virtual/dmi/id/product_name').read()
if vendor in ('Lenovo', 'IBM'):
if '[' in model and ']' in model:
model = model.split('[')[1].split(']')[0]
model = model[:4].lower()
s = Session('/dev/ipmi0')
if not bmccfg:
print("No BMC configuration specified, exiting.")
return
if bmccfg.get('bmcport', None):
channel = set_port(s, bmccfg['bmcport'], vendor, model)
else:
channel = get_lan_channel(s)
awaitvlan = False
awaitip = False
awaitprefix = False
awaitgw = False
if bmccfg.get('bmcvlan', None):
awaitvlan = set_vlan(s, bmccfg['bmcvlan'], channel)
if bmccfg.get('bmcipv4', None):
awaitip = set_ipv4(s, bmccfg['bmcipv4'], channel)
if bmccfg.get('prefixv4', None):
awaitprefix = set_subnet(s, bmccfg['prefixv4'], channel)
if bmccfg.get('bmcgw', None):
awaitgw = set_gateway(s, bmccfg['bmcgw'], channel)
sys.stdout.write('Waiting for changes to take effect...')
sys.stdout.flush()
while awaitvlan and not check_vlan(s, bmccfg['bmcvlan'], channel):
dotwait()
while awaitip and not check_ipv4(s, bmccfg['bmcipv4'], channel):
dotwait()
while awaitprefix and not check_subnet(s, bmccfg['prefixv4'], channel):
dotwait()
while awaitprefix and not check_gateway(s, bmccfg['bmcgw'], channel):
dotwait()
sys.stdout.write('done\n')
sys.stdout.flush()
#await_config(s, bmccfg, channel)
if __name__ == '__main__':
main()