class NetworkTest(Test):
def setUp(self):
self.cloud = Setup(self.params, self.name)
self.vm = self.cloud.vm
pre_delete = False
pre_stop = False
if self.name.name.endswith("test_coldplug_nics"):
pre_stop = True
if not self.vm.nic_count or self.vm.nic_count < 2:
self.cancel("No nic count. Skip this case.")
self.session = self.cloud.init_vm(pre_delete=pre_delete,
pre_stop=pre_stop)
if self.name.name.endswith("test_hotplug_nics") or \
self.name.name.endswith("test_coldplug_nics"):
self.cloud.init_nics(self.vm.nic_count)
self.primary_nic_id = self.cloud.primary_nic_id
def test_hotplug_nics(self):
"""
1. Start VM. Attach max NICs and check all can get IP
2. Add 1 more NIC. Should not be added
3. Detach all NICs. Device should be removed inside guest
"""
# 1. Attach max NICs and check all can get IP
count = self.vm.nic_count - 1
self.log.info("Step 1: Attach %s NICs." % count)
self.vm.attach_nics(count, wait=True)
self.assertEqual(len(self.vm.query_nics()), count + 1,
"Total NICs number is not %d" % (count + 1))
if self.cloud.cloud_provider == "alibaba":
guest_cmd = """
primary_nic=$(ifconfig | grep "flags=.*\<UP\>" | cut -d: -f1 | \
grep -e eth -e ens | head -n 1)
device_name=$(echo $primary_nic | tr -d '[:digit:]')
device_numb=$(echo $primary_nic | tr -d '[:alpha:]')
[ "${device_name}" = "ens" ] && return # ens* will up automatically
spath="/etc/sysconfig/network-scripts"
for offset in $(seq 1 %s); do
device=${device_name}$((${device_numb}+${offset}))
echo "STEP1: Create configure file ifcfg-${device}..."
echo DEVICE=${device} | sudo tee $spath/ifcfg-${device}
echo BOOTPROTO=dhcp | sudo tee -a $spath/ifcfg-${device}
echo ONBOOT=yes | sudo tee -a $spath/ifcfg-${device}
echo DEFROUTE=no | sudo tee -a $spath/ifcfg-${device}
echo "STEP2: 'ifup' this device..."
sudo ifup ${device}
sleep 2s
done
""" % count
self.session.cmd_output(guest_cmd, timeout=180)
else:
self.session.cmd_output(
"for i in {1..%s};do sudo cp "
"/etc/sysconfig/network-scripts/ifcfg-eth0 "
"/etc/sysconfig/network-scripts/ifcfg-eth$i; "
"sudo sed -i -e \"s/eth0/eth$i/g\" "
"-e '$a\DEFROUTE=no' -e '/HWADDR/d' "
"/etc/sysconfig/network-scripts/ifcfg-eth$i; "
"sudo ifup eth$i;sleep 2; done" % count,
timeout=180)
time.sleep(10)
outside_ips = [
str(self.vm.get_private_ip_address(nic))
for nic in self.vm.query_nics()
]
inside_ips = self.session.cmd_output("ip addr")
for outside_ip in outside_ips:
self.assertIn(
outside_ip, inside_ips, "Some of NICs are not available. "
"Outside IP: %s Inside IPs:\n %s" % (outside_ip, inside_ips))
# 2. Add 1 more NIC. Should not be added
self.log.info("Step 2: Add 1 more NIC, should not be added.")
self.vm.attach_nics(1)
self.assertEqual(
len(self.vm.query_nics()), count + 1,
"NICs number should not greater than %d" % (count + 1))
# 3. Detach all NICs. NICs should be removed inside guest
self.log.info("Step 3: Detach all NICs")
if self.cloud.cloud_provider == "alibaba":
guest_cmd = """
primary_nic=$(ifconfig | grep "flags=.*\<UP\>" | cut -d: -f1 | \
grep -e eth -e ens | head -n 1)
device_name=$(echo $primary_nic | tr -d '[:digit:]')
dev_list=$(ifconfig | grep "flags=.*\<UP\>" | cut -d: -f1 | \
grep $device_name | grep -v $primary_nic)
for dev in $dev_list; do
echo "'ifdown' device $dev..."
sudo ifdown $dev
sleep 2s
done
"""
self.session.cmd_output(guest_cmd)
else:
self.session.cmd_output(
"for i in {1..%s};do sudo ifdown eth$i;done" % count)
nic_ids = [
self.vm.get_nic_id(nic) for nic in self.vm.query_nics()
if self.vm.get_nic_id(nic) != self.primary_nic_id
]
self.vm.detach_nics(nic_ids, wait=True)
self.assertEqual(len(self.vm.query_nics()), 1,
"Fail to remove all NICs outside guest")
time.sleep(5)
if self.cloud.cloud_provider == "alibaba":
self.assertEqual(
self.session.cmd_output(
"ip addr | grep -e 'eth.*mtu' -e 'ens.*mtu' | wc -l"), "1",
"Fail to remove all NICs inside guest")
else:
self.assertEqual(
self.session.cmd_output("ip addr|grep 'eth.*mtu'|wc -l"), "1",
"Fail to remove all NICs inside guest")
self.log.info("Detach all NICs successfully")
def test_coldplug_nics(self):
"""
1. Stop VM. Attach max NICs. Start VM and check all can get IP
2. Stop VM. Add 1 more NIC. Should not be added
3. Stop VM. Detach all NICs. Device should be removed inside guest
"""
# 1. Attach max NICs and check all can get IP
count = self.vm.nic_count - 1
self.log.info("Step 1: Attach %s NICs." % count)
self.vm.attach_nics(count, wait=True)
self.assertEqual(len(self.vm.query_nics()), count + 1,
"Total NICs number is not %d" % (count + 1))
self.vm.start(wait=True)
self.session.connect(timeout=180)
if self.cloud.cloud_provider == "alibaba":
guest_cmd = """
primary_nic=$(ifconfig | grep "flags=.*\<UP\>" | cut -d: -f1 | \
grep -e eth -e ens | head -n 1)
device_name=$(echo $primary_nic | tr -d '[:digit:]')
device_numb=$(echo $primary_nic | tr -d '[:alpha:]')
[ "${device_name}" = "ens" ] && return # ens* will up automatically
spath="/etc/sysconfig/network-scripts"
for offset in $(seq 1 %s); do
device=${device_name}$((${device_numb}+${offset}))
echo "STEP1: Create configure file ifcfg-${device}..."
echo DEVICE=${device} | sudo tee $spath/ifcfg-${device}
echo BOOTPROTO=dhcp | sudo tee -a $spath/ifcfg-${device}
echo ONBOOT=yes | sudo tee -a $spath/ifcfg-${device}
echo DEFROUTE=no | sudo tee -a $spath/ifcfg-${device}
echo "STEP2: 'ifup' this device..."
sudo ifup ${device}
sleep 2s
done
""" % count
self.session.cmd_output(guest_cmd, timeout=180)
else:
self.session.cmd_output(
"for i in {1..%s};do sudo cp "
"/etc/sysconfig/network-scripts/ifcfg-eth0 "
"/etc/sysconfig/network-scripts/ifcfg-eth$i; "
"sudo sed -i -e \"s/eth0/eth$i/g\" "
"-e '$a\DEFROUTE=no' -e '/HWADDR/d' "
"/etc/sysconfig/network-scripts/ifcfg-eth$i; "
"sudo ifup eth$i;sleep 2; done" % count,
timeout=180)
time.sleep(10)
outside_ips = [
self.vm.get_private_ip_address(nic)
for nic in self.vm.query_nics()
]
inside_ips = self.session.cmd_output("ip addr")
for outside_ip in outside_ips:
self.assertIn(
outside_ip, inside_ips,
"Some of NICs are not available. Inside IPs: %s" % inside_ips)
# 2. Add 1 more NIC. Should not be added
self.log.info("Step 2: Add 1 more NIC, should not be added.")
self.vm.stop(wait=True)
self.assertTrue(self.vm.is_stopped(), "Fail to stop VM")
self.vm.attach_nics(1)
self.assertEqual(
len(self.vm.query_nics()), count + 1,
"NICs number should not greater than %d" % (count + 1))
# 3. Detach all NICs. NICs should be removed inside guest
self.log.info("Step 3: Detach all NICs.")
nic_ids = [
self.vm.get_nic_id(nic) for nic in self.vm.query_nics()
if self.vm.get_nic_id(nic) != self.primary_nic_id
]
self.vm.detach_nics(nic_ids, wait=True)
self.assertEqual(len(self.vm.query_nics()), 1,
"Fail to remove all NICs outside guest")
self.vm.start(wait=True)
self.assertTrue(self.vm.is_started(), "Fail to start VM")
self.session.connect()
if self.cloud.cloud_provider == "alibaba":
guest_cmd = "ip addr | grep -e 'eth.*mtu' -e 'ens.*mtu' | wc -l"
else:
guest_cmd = "ip addr|grep 'eth.*mtu'|wc -l"
self.assertEqual(self.session.cmd_output(guest_cmd), "1",
"Fail to remove all NICs inside guest")
self.log.info("Detach all NICs successfully")
def tearDown(self):
if self.name.name.endswith("test_hotplug_nics") or \
self.name.name.endswith("test_coldplug_nics"):
if self.cloud.cloud_provider == "alibaba":
guest_cmd = """
primary_nic=$(ifconfig | grep "flags=.*\<UP\>" | cut -d: -f1 | \
grep -e eth -e ens | head -n 1)
device_name=$(echo $primary_nic | tr -d '[:digit:]')
ls /etc/sysconfig/network-scripts/ifcfg-${device_name}* | \
grep -v ${primary_nic} | xargs sudo rm -f
"""
else:
guest_cmd = "ls /etc/sysconfig/network-scripts/ifcfg-eth*|\
grep -v eth0|xargs rm -f"
self.session.cmd_output(guest_cmd, timeout=180)
self.session.close()
class NetworkTest(Test):
def setUp(self):
self.cloud = Setup(self.params, self.name)
self.vm = self.cloud.vm
self.pwd = os.path.abspath(os.path.dirname(__file__))
pre_delete = False
pre_stop = False
if self.name.name.endswith("test_coldplug_nics"):
pre_stop = True
if not self.vm.nic_count or self.vm.nic_count < 2:
self.cancel("No nic count. Skip this case.")
self.session = self.cloud.init_vm(pre_delete=pre_delete,
pre_stop=pre_stop)
if self.name.name.endswith("test_hotplug_nics") or \
self.name.name.endswith("test_coldplug_nics"):
self.cloud.init_nics(self.vm.nic_count)
self.primary_nic_id = self.cloud.primary_nic_id
def test_hotplug_nics(self):
"""
1. Start VM. Attach max NICs and check all can get IP
2. Add 1 more NIC. Should not be added
3. Detach all NICs. Device should be removed inside guest
"""
# 1. Attach max NICs and check all can get IP
count = self.vm.nic_count - 1
self.log.info("Step 1: Attach %s NICs." % count)
self.vm.attach_nics(count, wait=True)
self.assertEqual(len(self.vm.query_nics()), count + 1,
"Total NICs number is not %d" % (count + 1))
guest_path = self.session.cmd_output("echo $HOME") + "/workspace"
self.session.cmd_output("mkdir -p {0}".format(guest_path))
self.session.copy_files_to(
local_path="{0}/../../scripts/aliyun_enable_nics.sh".format(
self.pwd),
remote_path=guest_path)
self.log.info("NIC Count: %s" % count)
self.session.cmd_output("bash {0}/aliyun_enable_nics.sh {1}".format(
guest_path, count),
timeout=180)
self.session.cmd_output('ip addr', timeout=30)
time.sleep(60) # waiting for dhcp works
self.session.cmd_output('ip addr', timeout=30)
time.sleep(10)
outside_ips = [
str(self.vm.get_private_ip_address(nic))
for nic in self.vm.query_nics()
]
inside_ips = self.session.cmd_output("ip addr")
for outside_ip in outside_ips:
self.assertIn(
outside_ip, inside_ips, "Some of NICs are not available. "
"Outside IP: %s Inside IPs:\n %s" % (outside_ip, inside_ips))
# 2. Add 1 more NIC. Should not be added
self.log.info("Step 2: Add 1 more NIC, should not be added.")
self.vm.attach_nics(1)
self.assertEqual(
len(self.vm.query_nics()), count + 1,
"NICs number should not greater than %d" % (count + 1))
# 3. Detach all NICs. NICs should be removed inside guest
self.log.info("Step 3: Detach all NICs")
self.session.copy_files_to(
local_path="{0}/../../scripts/aliyun_disable_nics.sh".format(
self.pwd),
remote_path=guest_path)
self.log.info("NIC Count: %s" % count)
self.session.cmd_output("bash {0}/aliyun_disable_nics.sh {1}".format(
guest_path, count),
timeout=180)
nic_ids = [
self.vm.get_nic_id(nic) for nic in self.vm.query_nics()
if self.vm.get_nic_id(nic) != self.primary_nic_id
]
self.vm.detach_nics(nic_ids, wait=True)
self.assertEqual(len(self.vm.query_nics()), 1,
"Fail to remove all NICs outside guest")
time.sleep(5)
self.assertEqual(
self.session.cmd_output(
"ip addr | grep -e 'eth.*mtu' -e 'ens.*mtu' | wc -l"), "1",
"Fail to remove all NICs inside guest")
self.log.info("Detach all NICs successfully")
def test_coldplug_nics(self):
"""
1. Stop VM. Attach max NICs. Start VM and check all can get IP
2. Stop VM. Add 1 more NIC. Should not be added
3. Stop VM. Detach all NICs. Device should be removed inside guest
"""
# Set timeout for Alibaba baremetal
if 'ecs.ebm' in self.vm.flavor:
connect_timeout = 600
else:
connect_timeout = 120
# 1. Attach max NICs and check all can get IP
count = self.vm.nic_count - 1
self.log.info("Step 1: Attach %s NICs." % count)
self.vm.attach_nics(count, wait=True)
self.assertEqual(len(self.vm.query_nics()), count + 1,
"Total NICs number is not %d" % (count + 1))
self.vm.start(wait=True)
self.session.connect(timeout=connect_timeout)
guest_path = self.session.cmd_output("echo $HOME") + "/workspace"
self.session.cmd_output("mkdir -p {0}".format(guest_path))
self.session.copy_files_to(
local_path="{0}/../../scripts/aliyun_enable_nics.sh".format(
self.pwd),
remote_path=guest_path)
self.log.info("NIC Count: %s" % count)
self.session.cmd_output("bash {0}/aliyun_enable_nics.sh {1}".format(
guest_path, count),
timeout=180)
time.sleep(10)
self.session.cmd_output('ip addr', timeout=30)
outside_ips = [
self.vm.get_private_ip_address(nic)
for nic in self.vm.query_nics()
]
inside_ips = self.session.cmd_output("ip addr")
for outside_ip in outside_ips:
self.assertIn(
outside_ip, inside_ips,
"Some of NICs are not available. Inside IPs: %s" % inside_ips)
# 2. Add 1 more NIC. Should not be added
self.log.info("Step 2: Add 1 more NIC, should not be added.")
self.vm.stop(wait=True)
self.assertTrue(self.vm.is_stopped(), "Fail to stop VM")
self.vm.attach_nics(1)
self.assertEqual(
len(self.vm.query_nics()), count + 1,
"NICs number should not greater than %d" % (count + 1))
# 3. Detach all NICs. NICs should be removed inside guest
self.log.info("Step 3: Detach all NICs.")
nic_ids = [
self.vm.get_nic_id(nic) for nic in self.vm.query_nics()
if self.vm.get_nic_id(nic) != self.primary_nic_id
]
self.vm.detach_nics(nic_ids, wait=True)
self.assertEqual(len(self.vm.query_nics()), 1,
"Fail to remove all NICs outside guest")
self.vm.start(wait=True)
self.assertTrue(self.vm.is_started(), "Fail to start VM")
self.session.connect(timeout=connect_timeout)
guest_cmd = "ip addr | grep -e 'eth.*mtu' -e 'ens.*mtu' | wc -l"
self.assertEqual(self.session.cmd_output(guest_cmd), "1",
"Fail to remove all NICs inside guest")
self.log.info("Detach all NICs successfully")
def tearDown(self):
if self.name.name.endswith("test_hotplug_nics") or \
self.name.name.endswith("test_coldplug_nics"):
guest_cmd = """
primary_nic=$(ifconfig | grep "flags=.*\<UP\>" | cut -d: -f1 | \
grep -e eth -e ens | head -n 1)
device_name=$(echo $primary_nic | tr -d '[:digit:]')
ls /etc/sysconfig/network-scripts/ifcfg-${device_name}* | \
grep -v ${primary_nic} | xargs sudo rm -f
"""
self.session.cmd_output(guest_cmd, timeout=180)
self.session.close()