-#!/usr/bin/env python2.7
+#!/usr/bin/env python3
import unittest
-
import psutil
from vpp_papi.vpp_stats import VPPStats
+from framework import tag_fixme_vpp_workers
from framework import VppTestCase, VppTestRunner
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP
+@tag_fixme_vpp_workers
class StatsClientTestCase(VppTestCase):
"""Test Stats Client"""
def tearDownClass(cls):
super(StatsClientTestCase, cls).tearDownClass()
+ @classmethod
+ def setUpConstants(cls):
+ cls.extra_vpp_statseg_config = "per-node-counters on"
+ cls.extra_vpp_statseg_config += "update-interval 0.05"
+ super(StatsClientTestCase, cls).setUpConstants()
+
+ def test_set_errors(self):
+ """Test set errors"""
+ self.assertEqual(self.statistics.set_errors(), {})
+ self.assertEqual(
+ self.statistics.get_counter('/err/ethernet-input/no error'), [0])
+
def test_client_fd_leak(self):
"""Test file descriptor count - VPP-1486"""
initial_fds = p.num_fds()
for _ in range(100):
- stats = VPPStats(socketname=cls.stats_sock)
+ stats = VPPStats(socketname=cls.get_stats_sock_path())
stats.disconnect()
ending_fds = p.num_fds()
"ending client side file descriptor count: %s" % (
initial_fds, ending_fds))
+ def test_symlink_values(self):
+ """Test symlinks reported values"""
+ self.create_pg_interfaces(range(2))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ p = list()
+ for i in range(5):
+ packet = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4))
+ p.append(packet)
+
+ self.send_and_expect(self.pg0, p, self.pg1)
+
+ pg1_tx = self.statistics.get_counter('/interfaces/pg1/tx')
+ if_tx = self.statistics.get_counter('/if/tx')
+
+ self.assertEqual(pg1_tx[0]['bytes'],
+ if_tx[0][self.pg1.sw_if_index]['bytes'])
+ for i in self.pg_interfaces:
+ i.unconfig()
+ i.admin_down()
+
+ def test_symlink_add_del_interfaces(self):
+ """Test symlinks when adding and deleting interfaces"""
+ # We first create and delete interfaces
+ self.create_loopback_interfaces(1)
+ self.create_pg_interfaces(range(1))
+ self.loop0.remove_vpp_config()
+ self.create_pg_interfaces(range(2))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ p = list()
+ bytes_to_send = 0
+ for i in range(5):
+ packet = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4))
+ bytes_to_send += len(packet)
+ p.append(packet)
+
+ tx_before_sending = self.statistics.get_counter('/interfaces/pg1/tx')
+ rx_before_sending = self.statistics.get_counter('/interfaces/pg0/rx')
+ self.send_and_expect(self.pg0, p, self.pg1)
+ tx = self.statistics.get_counter('/interfaces/pg1/tx')
+ rx = self.statistics.get_counter('/interfaces/pg0/rx')
+
+ # We wait for nodes symlinks to update (interfaces created/deleted).
+ # ... and packets to be sent
+ self.sleep(0.1)
+ vectors = self.statistics.get_counter('/nodes/pg1-tx/vectors')
+
+ self.assertEqual(tx[0]['bytes'] - tx_before_sending[0]['bytes'],
+ bytes_to_send)
+ self.assertEqual(tx[0]['packets'] - tx_before_sending[0]['packets'],
+ 5)
+ self.assertEqual(rx[0]['bytes'] - rx_before_sending[0]['bytes'],
+ bytes_to_send)
+ self.assertEqual(rx[0]['packets'] - rx_before_sending[0]['packets'],
+ 5)
+ self.assertEqual(vectors[0], rx[0]['packets'])
+
+ for i in self.pg_interfaces:
+ i.unconfig()
+ i.admin_down()
+
+ def test_index_consistency(self):
+ """Test index consistency despite changes in the stats"""
+ d = self.statistics.ls(['/if/names'])
+ self.create_loopback_interfaces(10)
+ for i in range(10):
+ try:
+ s = self.statistics.dump(d)
+ break
+ except:
+ pass
+ k, v = s.popitem()
+ self.assertEqual(len(v), 11)
+
+ for i in self.lo_interfaces:
+ i.remove_vpp_config()
+
+ @unittest.skip("Manual only")
+ def test_mem_leak(self):
+ def loop():
+ print('Running loop')
+ for i in range(50):
+ rv = self.vapi.papi.tap_create_v2(id=i, use_random_mac=1)
+ self.assertEqual(rv.retval, 0)
+ rv = self.vapi.papi.tap_delete_v2(sw_if_index=rv.sw_if_index)
+ self.assertEqual(rv.retval, 0)
+
+ before = self.statistics.get_counter('/mem/statseg/used')
+ loop()
+ self.vapi.cli("memory-trace on stats-segment")
+ for j in range(100):
+ loop()
+ print(self.vapi.cli("show memory stats-segment verbose"))
+ print('AFTER', before,
+ self.statistics.get_counter('/mem/statseg/used'))
+
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)