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Add discovery snoop for Cumulus ZTP

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When a cumulus switch does ZTP, detect
in the discovery facility.
This commit is contained in:
Jarrod Johnson 2020-02-19 16:26:33 -05:00
parent 868367e052
commit eae7b3bd80
2 changed files with 23 additions and 4 deletions
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3
confluent_server/confluent/discovery/core.py
View File

@ -108,6 +108,7 @@ nodehandlers = {
'service:management-hardware.IBM:integrated-management-module2': imm,
'pxe-client': pxeh,
'onie-switch': None,
'cumulus-switch': None,
'service:io-device.Lenovo:management-module': None,
'service:thinkagile-storage': cpstorage,
'service:lenovo-tsm': tsm,
@ -116,6 +117,7 @@ nodehandlers = {
servicenames = {
'pxe-client': 'pxe-client',
'onie-switch': 'onie-switch',
'cumulus-switch': 'cumuls-switch',
'service:lenovo-smm': 'lenovo-smm',
'service:management-hardware.Lenovo:lenovo-xclarity-controller': 'lenovo-xcc',
'service:management-hardware.IBM:integrated-management-module2': 'lenovo-imm2',
@ -127,6 +129,7 @@ servicenames = {
servicebyname = {
'pxe-client': 'pxe-client',
'onie-switch': 'onie-switch',
'cumulus-switch': 'cumulus-switch',
'lenovo-smm': 'service:lenovo-smm',
'lenovo-xcc': 'service:management-hardware.Lenovo:lenovo-xclarity-controller',
'lenovo-imm2': 'service:management-hardware.IBM:integrated-management-module2',

24
confluent_server/confluent/discovery/protocols/pxe.py
View File

@ -48,7 +48,7 @@ def decode_uuid(rawguid):
def _decode_ocp_vivso(rq, idx, size):
end = idx + size
vivso = {}
vivso = {'service-type': 'onie-switch'}
while idx < end:
if rq[idx] == 3:
vivso['machine'] = stringify(rq[idx + 2:idx + 2 + rq[idx + 1]])
@ -59,12 +59,13 @@ def _decode_ocp_vivso(rq, idx, size):
idx += rq[idx + 1] + 2
return '', None, vivso
def find_info_in_options(rq, optidx):
uuid = None
arch = None
vivso = None
ztpurlrequested = False
iscumulus = False
try:
while uuid is None or arch is None:
if rq[optidx] == 53: # DHCP message type
@ -72,6 +73,16 @@ def find_info_in_options(rq, optidx):
if rq[optidx + 1] != 1 or rq[optidx + 2] != 1:
return uuid, arch, vivso
optidx += 3
elif rq[optidx] == 55:
if 239 in rq[optidx + 2:optidx + 2 + rq[optidx + 1]]:
ztpurlrequested = True
optidx += rq[optidx + 1] + 2
elif rq[optidx] == 60:
vci = stringify(rq[optidx + 2:optidx + 2 + rq[optidx + 1]])
if vci.startswith('cumulus-linux'):
iscumulus = True
arch = vci.replace('cumulus-linux', '').strip()
optidx += rq[optidx + 1] + 2
elif rq[optidx] == 97:
if rq[optidx + 1] != 17:
# 16 bytes of uuid and one reserved byte
@ -96,7 +107,11 @@ def find_info_in_options(rq, optidx):
else:
optidx += rq[optidx + 1] + 2
except IndexError:
return uuid, arch, vivso
pass
if not vivso and iscumulus and ztpurlrequested:
if not uuid:
uuid = ''
vivso = {'service-type': 'cumulus-switch', 'arch': arch}
return uuid, arch, vivso
def snoop(handler, protocol=None):
@ -133,8 +148,9 @@ def snoop(handler, protocol=None):
# info['modelnumber'] = info['attributes']['enclosure-machinetype-model'][0]
handler({'hwaddr': netaddr, 'uuid': uuid,
'architecture': vivso.get('arch', ''),
'services': ('onie-switch',),
'services': (vivso['service-type'],),
'attributes': {'enclosure-machinetype-model': [vivso.get('machine', '')]}})
continue
if uuid is None:
continue
# We will fill out service to have something to byte into,