obeliskHostCheck.py
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#!/usr/bin/python
import sys
import os
import json
# TODO: if none given, use OCI
try:
onosIp = sys.argv[1]
print "Reading hosts view from ONOS node " + onosIp + ":"
except Exception as e:
print "Error reading ONOS IP arguement"
print e
# Grab the json objects from ONOS
output = os.popen("onos " + onosIp + " \"hosts -j\"" )
hosts = json.loads( output.read() )
#hosts = json.loads( output.split( 'Logging in as karaf\n' )[1] )
hostAttachment = True
# FIXME: topo-HA/obelisk specific mappings:
# key is mac and value is dpid
mappings = {}
for i in range( 1, 29 ): # hosts 1 through 28
# set up correct variables:
macId = "00:" * 5 + hex( i ).split( "0x" )[1].upper().zfill(2)
if i == 1:
deviceId = "1000".zfill(16)
elif i == 2:
deviceId = "2000".zfill(16)
elif i == 3:
deviceId = "3000".zfill(16)
elif i == 4:
deviceId = "3004".zfill(16)
elif i == 5:
deviceId = "5000".zfill(16)
elif i == 6:
deviceId = "6000".zfill(16)
elif i == 7:
deviceId = "6007".zfill(16)
elif i >= 8 and i <= 17:
dpid = '3' + str( i ).zfill( 3 )
deviceId = dpid.zfill(16)
elif i >= 18 and i <= 27:
dpid = '6' + str( i ).zfill( 3 )
deviceId = dpid.zfill(16)
elif i == 28:
deviceId = "2800".zfill(16)
mappings[ macId ] = deviceId
if hosts or "Error" not in hosts:
if hosts == []:
print "WARNING: There are no hosts discovered"
else:
for host in hosts:
mac = None
location = None
device = None
port = None
try:
mac = host.get( 'mac' )
assert mac, "mac field could not be found for this host object"
location = host.get( 'location' )
assert location, "location field could not be found for this host object"
# Trim the protocol identifier off deviceId
device = str( location.get( 'elementId' ) ).split(':')[1]
assert device, "elementId field could not be found for this host location object"
port = location.get( 'port' )
assert port, "port field could not be found for this host location object"
# Now check if this matches where they should be
if mac and device and port:
if device != mappings[ str( mac ) ]:
print "The attachment device is incorrect for host " + str( mac ) +\
". Expected: " + mappings[ str( mac ) ] + "; Actual: " + device
hostAttachment = False
if str( port ) != "1":
print "The attachment port is incorrect for host " + str( mac ) +\
". Expected: 1; Actual: " + str( port)
hostAttachment = False
else:
hostAttachment = False
except AssertionError as e:
print "ERROR: Json object not as expected:"
print e
print "host object: " + repr( host )
hostAttachment = False
else:
print "No hosts json output or \"Error\" in output. hosts = " + repr( hosts )