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https://github.com/xcat2/confluent.git
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Have proxydhcp recover from faults
This commit is contained in:
Jarrod Johnson
parent
e93e4abd83
commit
b08b62614a
@ -297,92 +297,96 @@ def proxydhcp(handler, nodeguess):
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msg.msg_namelen = ctypes.sizeof(clientaddr)
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cfg = cfm.ConfigManager(None)
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while True:
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ready = select.select([net4011], [], [], None)
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if not ready or not ready[0]:
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continue
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i = recvmsg(net4011.fileno(), ctypes.pointer(msg), 0)
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#nb, client = net4011.recvfrom_into(rq)
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if i < 240:
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continue
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rqv = memoryview(rq)[:i]
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client = (ipfromint(clientaddr.sin_addr.s_addr), socket.htons(clientaddr.sin_port))
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_, level, typ = struct.unpack('QII', cmsgarr[:16])
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if level == socket.IPPROTO_IP and typ == IP_PKTINFO:
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idx, recv = struct.unpack('II', cmsgarr[16:24])
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recv = ipfromint(recv)
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try:
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optidx = rqv.tobytes().index(b'\x63\x82\x53\x63') + 4
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except ValueError:
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continue
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hwlen = rq[2]
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opts, disco = opts_to_dict(rq, optidx, 3)
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disco['hwaddr'] = ':'.join(['{0:02x}'.format(x) for x in rq[28:28+hwlen]])
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node = None
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if disco.get('hwaddr', None) in macmap:
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node = macmap[disco['hwaddr']]
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elif disco.get('uuid', None) in uuidmap:
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node = uuidmap[disco['uuid']]
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myipn = myipbypeer.get(rqv[28:28+hwlen].tobytes(), None)
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skiplogging = True
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netaddr = disco['hwaddr']
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if time.time() > ignoredisco.get(netaddr, 0) + 90:
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skiplogging = False
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ignoredisco[netaddr] = time.time()
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if not myipn:
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info = {'hwaddr': netaddr, 'uuid': disco['uuid'],
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'architecture': disco['arch'],
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'netinfo': {'ifidx': idx, 'recvip': recv},
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'services': ('pxe-client',)}
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if not skiplogging:
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handler(info)
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if not node:
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if not myipn and not skiplogging:
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log.log(
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{'info': 'No node matches boot attempt from uuid {0} or hardware address {1}'.format(
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disco.get('uuid', 'unknown'), disco.get('hwaddr', 'unknown')
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)})
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continue
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profile = None
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if not myipn:
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myipn = socket.inet_aton(recv)
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profile = get_deployment_profile(node, cfg)
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if profile:
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log.log({
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'info': 'Offering proxyDHCP boot from {0} to {1} ({2})'.format(recv, node, client[0])})
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else:
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ready = select.select([net4011], [], [], None)
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if not ready or not ready[0]:
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continue
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i = recvmsg(net4011.fileno(), ctypes.pointer(msg), 0)
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#nb, client = net4011.recvfrom_into(rq)
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if i < 240:
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continue
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rqv = memoryview(rq)[:i]
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client = (ipfromint(clientaddr.sin_addr.s_addr), socket.htons(clientaddr.sin_port))
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_, level, typ = struct.unpack('QII', cmsgarr[:16])
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if level == socket.IPPROTO_IP and typ == IP_PKTINFO:
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idx, recv = struct.unpack('II', cmsgarr[16:24])
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recv = ipfromint(recv)
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try:
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optidx = rqv.tobytes().index(b'\x63\x82\x53\x63') + 4
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except ValueError:
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continue
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hwlen = rq[2]
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opts, disco = opts_to_dict(rq, optidx, 3)
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disco['hwaddr'] = ':'.join(['{0:02x}'.format(x) for x in rq[28:28+hwlen]])
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node = None
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if disco.get('hwaddr', None) in macmap:
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node = macmap[disco['hwaddr']]
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elif disco.get('uuid', None) in uuidmap:
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node = uuidmap[disco['uuid']]
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myipn = myipbypeer.get(rqv[28:28+hwlen].tobytes(), None)
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skiplogging = True
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netaddr = disco['hwaddr']
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if time.time() > ignoredisco.get(netaddr, 0) + 90:
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skiplogging = False
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ignoredisco[netaddr] = time.time()
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if not myipn:
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info = {'hwaddr': netaddr, 'uuid': disco['uuid'],
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'architecture': disco['arch'],
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'netinfo': {'ifidx': idx, 'recvip': recv},
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'services': ('pxe-client',)}
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if not skiplogging:
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log.log({'info': 'No pending profile for {0}, skipping proxyDHCP reply'.format(node)})
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handler(info)
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if not node:
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if not myipn and not skiplogging:
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log.log(
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{'info': 'No node matches boot attempt from uuid {0} or hardware address {1}'.format(
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disco.get('uuid', 'unknown'), disco.get('hwaddr', 'unknown')
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)})
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continue
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if opts.get(77, None) == b'iPXE':
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if not profile:
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profile = None
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if not myipn:
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myipn = socket.inet_aton(recv)
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profile = get_deployment_profile(node, cfg)
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if not profile:
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log.log({'info': 'No pending profile for {0}, skipping proxyDHCP reply'.format(node)})
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if profile:
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log.log({
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'info': 'Offering proxyDHCP boot from {0} to {1} ({2})'.format(recv, node, client[0])})
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else:
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if not skiplogging:
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log.log({'info': 'No pending profile for {0}, skipping proxyDHCP reply'.format(node)})
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continue
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if opts.get(77, None) == b'iPXE':
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if not profile:
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profile = get_deployment_profile(node, cfg)
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if not profile:
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log.log({'info': 'No pending profile for {0}, skipping proxyDHCP reply'.format(node)})
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continue
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myip = socket.inet_ntoa(myipn)
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bootfile = 'http://{0}/confluent-public/os/{1}/boot.ipxe'.format(myip, profile).encode('utf8')
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elif disco['arch'] == 'uefi-x64':
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bootfile = b'confluent/x86_64/ipxe.efi'
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elif disco['arch'] == 'bios-x86':
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bootfile = b'confluent/x86_64/ipxe.kkpxe'
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elif disco['arch'] == 'uefi-aarch64':
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bootfile = b'confluent/aarch64/ipxe.efi'
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if len(bootfile) > 127:
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log.log(
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{'info': 'Boot offer cannot be made to {0} as the '
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'profile name "{1}" is {2} characters longer than is supported '
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'for this boot method.'.format(
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node, profile, len(bootfile) - 127)})
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continue
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myip = socket.inet_ntoa(myipn)
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bootfile = 'http://{0}/confluent-public/os/{1}/boot.ipxe'.format(myip, profile).encode('utf8')
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elif disco['arch'] == 'uefi-x64':
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bootfile = b'confluent/x86_64/ipxe.efi'
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elif disco['arch'] == 'bios-x86':
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bootfile = b'confluent/x86_64/ipxe.kkpxe'
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elif disco['arch'] == 'uefi-aarch64':
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bootfile = b'confluent/aarch64/ipxe.efi'
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if len(bootfile) > 127:
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log.log(
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{'info': 'Boot offer cannot be made to {0} as the '
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'profile name "{1}" is {2} characters longer than is supported '
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'for this boot method.'.format(
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node, profile, len(bootfile) - 127)})
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continue
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rpv[:240] = rqv[:240].tobytes()
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rpv[0:1] = b'\x02'
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rpv[108:108 + len(bootfile)] = bootfile
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rpv[240:243] = b'\x35\x01\x05'
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rpv[243:249] = b'\x36\x04' + myipn
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rpv[20:24] = myipn
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rpv[249:268] = b'\x61\x11' + opts[97]
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rpv[268:280] = b'\x3c\x09PXEClient\xff'
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net4011.sendto(rpv[:281], client)
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rpv[:240] = rqv[:240].tobytes()
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rpv[0:1] = b'\x02'
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rpv[108:108 + len(bootfile)] = bootfile
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rpv[240:243] = b'\x35\x01\x05'
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rpv[243:249] = b'\x36\x04' + myipn
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rpv[20:24] = myipn
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rpv[249:268] = b'\x61\x11' + opts[97]
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rpv[268:280] = b'\x3c\x09PXEClient\xff'
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net4011.sendto(rpv[:281], client)
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except Exception as e:
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tracelog.log(traceback.format_exc(), ltype=log.DataTypes.event,
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event=log.Events.stacktrace)
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def start_proxydhcp(handler, nodeguess=None):
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