def test_flow_stats(self):
"""Check the update method of the GaugeFlowTableInfluxDBLogger class"""
conf = self.create_config_obj(create_mock_datapath(0))
db_logger = gauge_influx.GaugeFlowTableInfluxDBLogger(
conf, '__name__', mock.Mock())
rcv_time = int(time.time())
matches = self.generate_all_matches()
instructions = [parser.OFPInstructionGotoTable(1)]
flow_stats = [
parser.OFPFlowStats(0, 0, 0, 1, 0, 0, 0, 0, 1, 1, matches,
instructions)
]
message = parser.OFPFlowStatsReply(conf.dp, body=flow_stats)
db_logger.update(rcv_time, conf.dp.id, message)
other_fields = {
'dp_name': conf.dp.name,
'timestamp': rcv_time,
'priority': flow_stats[0].priority,
'table_id': flow_stats[0].table_id,
'inst_count': len(flow_stats[0].instructions),
'vlan': matches.get('vlan_vid') ^ ofproto.OFPVID_PRESENT
}
self.server.output_file.seek(0)
for line in self.server.output_file.readlines():
measurement, influx_data = self.parse_influx_output(line)
for stat_name, stat_val in influx_data.items():
if stat_name == 'value':
if measurement == 'flow_packet_count':
self.assertEqual(flow_stats[0].packet_count, stat_val)
elif measurement == 'flow_byte_count':
self.assertEqual(flow_stats[0].byte_count, stat_val)
else:
self.fail("Unknown measurement")
elif stat_name in other_fields:
self.assertEqual(other_fields[stat_name], stat_val)
elif stat_name in matches:
self.assertEqual(matches.get(stat_name), stat_val)
else:
self.fail("Unknown key: {} and value: {}".format(
stat_name, stat_val))
def flow_stats_msg(datapath, instructions):
""" Create an OFPFlowStatsReply with random values. """
matches = generate_all_matches()
flow_stats = parser.OFPFlowStats(random.randint(0, 9),
random.randint(1, 10000),
random.randint(0, 10000),
random.randint(1, 10000),
random.randint(1, 10000),
random.randint(1, 10000), 0,
random.randint(1, 10000),
random.randint(1, 10000),
random.randint(1, 10000), matches,
instructions)
return parser.OFPFlowStatsReply(datapath, body=[flow_stats])
import pickle
"""
Make rules that form a diamond of dependencies
"""
flows = [
# Table 0
parser.OFPFlowStats(
table_id=0,
priority=10,
match=parser.OFPMatch(vlan_vid=(0x1000, 0x1FFE)),
instructions=[
parser.OFPInstructionGotoTable(1)
]
),
parser.OFPFlowStats(
table_id=0,
priority=10,
match=parser.OFPMatch(vlan_vid=(0x1002, 0x1FFE)),
instructions=[
parser.OFPInstructionGotoTable(1)
]
),
parser.OFPFlowStats(
table_id=0,
priority=0,
match=parser.OFPMatch(),
| | 3 L2 FWD |
| | |
+--^+ ETH_DST -> |
| OUTPUT |
| |
| |
| |
| |
+---------------+
"""
flows = [
# Table 0
parser.OFPFlowStats(table_id=0,
priority=1000,
match=parser.OFPMatch(tcp_dst=80),
instructions=[]),
parser.OFPFlowStats(table_id=0,
priority=1000,
match=parser.OFPMatch(tcp_dst=443),
instructions=[]),
parser.OFPFlowStats(table_id=0,
priority=0,
match=parser.OFPMatch(),
instructions=[parser.OFPInstructionGotoTable(1)]),
# Table 1
parser.OFPFlowStats(table_id=1,
priority=1000,
match=parser.OFPMatch(eth_dst=1),
instructions=[parser.OFPInstructionGotoTable(2)]),
+------------------+ +--------------------+
| | | |
| 10 + TCP:10 | | 10 + IP:1 |
| drop/empty | | Ouput:1 |
| | | |
| 0 + * | | 0 + * |
| Goto:1 | | drop/empty |
| | | |
+------------------+ +--------------------+
"""
flows = [
# Table 0, drop all traffic
parser.OFPFlowStats(table_id=0,
priority=10,
match=parser.OFPMatch(tcp_dst=10),
instructions=[]),
parser.OFPFlowStats(table_id=0,
priority=0,
match=parser.OFPMatch(),
instructions=[parser.OFPInstructionGotoTable(1)]),
# Table 1, forward
parser.OFPFlowStats(table_id=1,
priority=10,
match=parser.OFPMatch(ipv4_dst=1),
instructions=[
parser.OFPInstructionActions(
ofproto_v1_3.OFPIT_APPLY_ACTIONS,
[parser.OFPActionOutput(1)])
]),
parser.OFPFlowStats(table_id=1,
| | | 0 - * | | 0 - * |
| | | GOTO:2 | | OUTPUT:2 |
+----------------+ +-------------------+ +-----------------+
When targeting a single table:
A partial merge of ETH_DST:2 and table 3, only merging with (*) OUTPUT:2
will result in ETH_DST:2,IPV4_DST:1 traffic incorrectly output out 2.
The correction to this is also merge with (IPV4_DST:1).
"""
flows = [
# Table 0
parser.OFPFlowStats(table_id=0,
priority=0,
match=parser.OFPMatch(),
instructions=[parser.OFPInstructionGotoTable(1)]),
parser.OFPFlowStats(table_id=1,
priority=10,
match=parser.OFPMatch(eth_dst=2),
instructions=[parser.OFPInstructionGotoTable(2)]),
parser.OFPFlowStats(table_id=1,
priority=0,
match=parser.OFPMatch(),
instructions=[parser.OFPInstructionGotoTable(2)]),
parser.OFPFlowStats(table_id=2,
priority=10,
match=parser.OFPMatch(ipv4_dst=1),
instructions=[
parser.OFPInstructionActions(
ofproto_v1_3.OFPIT_WRITE_ACTIONS,
