openstack
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fuel-main
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Merge "Add test on checking of drops when packet size is equal to MTU"

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Jenkins 2015-01-16 09:23:40 +00:00 committed by Gerrit Code Review
parent 263ac44190 96fc4e3b47
commit 85c914d12f
1 changed files with 36 additions and 0 deletions
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36
fuelweb_test/tests/tests_strength/test_neutron.py
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@ -328,3 +328,39 @@ class TestNeutronFailover(base_test_case.TestBasic):
test_sets=['ha', 'smoke', 'sanity'],
should_fail=1,
failed_test_name=['Check that required services are running'])
@test(depends_on=[deploy_ha_neutron],
groups=["neutron_packets_drops_stat"])
@log_snapshot_on_error
def neutron_packets_drop_stat(self):
"""Check packets drops statistic when size is equal to MTU
Scenario:
1. Revert snapshot with neutron cluster
2. Create instance, assign floating IP to it
3. Send ICMP packets from controller to instance with 1500 bytes
4. If at least 7 responses on 10 requests are received
assume test is passed
Snapshot neutron_packets_drop_stat
"""
self.env.revert_snapshot("deploy_ha_neutron")
cluster_id = self.fuel_web.get_last_created_cluster()
os_conn = os_actions.OpenStackActions(
self.fuel_web.get_public_vip(cluster_id))
instance = os_conn.create_server_for_migration(neutron=True)
floating_ip = os_conn.assign_floating_ip(instance)
logger.debug("instance floating ip is {0}".format(floating_ip.ip))
remote = self.env.get_ssh_to_remote_by_name('slave-01')
mtu_cmd = r"cat /sys/class/net/$(ip r g {0} |" \
r" sed -rn" \
r" 's/.*dev\s+(\S+)\s.*/\1/p')/mtu".format(floating_ip.ip)
mtu = ''.join(remote.execute(mtu_cmd)['stdout'])
logger.debug('mtu is equal to {0}'.format(mtu))
cmd = "ping -q -s {0} -c 7 -w 10 {1}".format(int(mtu) - 28,
floating_ip.ip)
res = remote.execute(cmd)
assert_equal(0, res['exit_code'],
'most packages were dropped, result is {0}'.format(res))