diff options
Diffstat (limited to 'smoketest/scripts/cli')
| -rw-r--r-- | smoketest/scripts/cli/base_interfaces_test.py | 4 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_interfaces_erspan.py | 6 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_interfaces_geneve.py | 4 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_interfaces_macsec.py | 4 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_interfaces_tunnel.py | 12 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_interfaces_vxlan.py | 4 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_protocols_bgp.py | 34 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_protocols_ospf.py | 64 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_protocols_static.py | 54 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_vrf.py | 6 |
10 files changed, 131 insertions, 61 deletions
diff --git a/smoketest/scripts/cli/base_interfaces_test.py b/smoketest/scripts/cli/base_interfaces_test.py index d038e9cb8..50cfa2607 100644 --- a/smoketest/scripts/cli/base_interfaces_test.py +++ b/smoketest/scripts/cli/base_interfaces_test.py @@ -29,7 +29,7 @@ from vyos.util import read_file from vyos.util import cmd from vyos.util import dict_search from vyos.util import process_named_running -from vyos.util import get_json_iface_options +from vyos.util import get_interface_config from vyos.validate import is_intf_addr_assigned from vyos.validate import is_ipv6_link_local @@ -353,7 +353,7 @@ class BasicInterfaceTest: for interface in self._interfaces: for vif_s in self._qinq_range: - tmp = get_json_iface_options(f'{interface}.{vif_s}') + tmp = get_interface_config(f'{interface}.{vif_s}') self.assertEqual(dict_search('linkinfo.info_data.protocol', tmp), '802.1ad') for vif_c in self._vlan_range: diff --git a/smoketest/scripts/cli/test_interfaces_erspan.py b/smoketest/scripts/cli/test_interfaces_erspan.py index cbb41d0c9..4575c61ce 100755 --- a/smoketest/scripts/cli/test_interfaces_erspan.py +++ b/smoketest/scripts/cli/test_interfaces_erspan.py @@ -18,7 +18,7 @@ import unittest from vyos.configsession import ConfigSession from vyos.configsession import ConfigSessionError -from vyos.util import get_json_iface_options +from vyos.util import get_interface_config from base_interfaces_test import BasicInterfaceTest @@ -52,7 +52,7 @@ class ERSPanTunnelInterfaceTest(BasicInterfaceTest.BaseTest): self.session.commit() - conf = get_json_iface_options(interface) + conf = get_interface_config(interface) self.assertEqual(interface, conf['ifname']) self.assertEqual(encapsulation, conf['linkinfo']['info_kind']) self.assertEqual(mtu, conf['mtu']) @@ -73,7 +73,7 @@ class ERSPanTunnelInterfaceTest(BasicInterfaceTest.BaseTest): self.session.commit() - conf = get_json_iface_options(interface) + conf = get_interface_config(interface) self.assertEqual(interface, conf['ifname']) self.assertEqual(encapsulation, conf['linkinfo']['info_kind']) self.assertEqual(mtu, conf['mtu']) diff --git a/smoketest/scripts/cli/test_interfaces_geneve.py b/smoketest/scripts/cli/test_interfaces_geneve.py index 7edd4528e..e8e8e5a2c 100755 --- a/smoketest/scripts/cli/test_interfaces_geneve.py +++ b/smoketest/scripts/cli/test_interfaces_geneve.py @@ -18,7 +18,7 @@ import unittest from vyos.configsession import ConfigSession from vyos.ifconfig import Interface -from vyos.util import get_json_iface_options +from vyos.util import get_interface_config from base_interfaces_test import BasicInterfaceTest @@ -51,7 +51,7 @@ class GeneveInterfaceTest(BasicInterfaceTest.BaseTest): ttl = 20 for interface in self._interfaces: - options = get_json_iface_options(interface) + options = get_interface_config(interface) vni = options['linkinfo']['info_data']['id'] self.assertIn(f'vni {vni}', self._options[interface]) diff --git a/smoketest/scripts/cli/test_interfaces_macsec.py b/smoketest/scripts/cli/test_interfaces_macsec.py index 2f1898b6f..31071a0f7 100755 --- a/smoketest/scripts/cli/test_interfaces_macsec.py +++ b/smoketest/scripts/cli/test_interfaces_macsec.py @@ -25,7 +25,7 @@ from vyos.configsession import ConfigSessionError from vyos.ifconfig import Section from vyos.util import cmd from vyos.util import read_file -from vyos.util import get_json_iface_options +from vyos.util import get_interface_config from vyos.util import process_named_running def get_config_value(interface, key): @@ -34,7 +34,7 @@ def get_config_value(interface, key): return tmp[0] def get_cipher(interface): - tmp = get_json_iface_options(interface) + tmp = get_interface_config(interface) return tmp['linkinfo']['info_data']['cipher_suite'].lower() class MACsecInterfaceTest(BasicInterfaceTest.BaseTest): diff --git a/smoketest/scripts/cli/test_interfaces_tunnel.py b/smoketest/scripts/cli/test_interfaces_tunnel.py index cad6764e6..3dddb5ef0 100755 --- a/smoketest/scripts/cli/test_interfaces_tunnel.py +++ b/smoketest/scripts/cli/test_interfaces_tunnel.py @@ -18,7 +18,7 @@ import unittest from vyos.configsession import ConfigSession from vyos.configsession import ConfigSessionError -from vyos.util import get_json_iface_options +from vyos.util import get_interface_config from vyos.template import inc_ip from base_interfaces_test import BasicInterfaceTest @@ -84,7 +84,7 @@ class TunnelInterfaceTest(BasicInterfaceTest.BaseTest): # Check if commit is ok self.session.commit() - conf = get_json_iface_options(interface) + conf = get_interface_config(interface) if encapsulation not in ['sit', 'gretap']: self.assertEqual(source_if, conf['link']) @@ -132,7 +132,7 @@ class TunnelInterfaceTest(BasicInterfaceTest.BaseTest): # Check if commit is ok self.session.commit() - conf = get_json_iface_options(interface) + conf = get_interface_config(interface) if encapsulation not in ['ip6gretap']: self.assertEqual(source_if, conf['link']) @@ -192,7 +192,7 @@ class TunnelInterfaceTest(BasicInterfaceTest.BaseTest): # Check if commit is ok self.session.commit() - conf = get_json_iface_options(interface) + conf = get_interface_config(interface) self.assertEqual(mtu, conf['mtu']) self.assertEqual(interface, conf['ifname']) self.assertEqual(encapsulation, conf['linkinfo']['info_kind']) @@ -214,7 +214,7 @@ class TunnelInterfaceTest(BasicInterfaceTest.BaseTest): # Check if commit is ok self.session.commit() - conf = get_json_iface_options(interface) + conf = get_interface_config(interface) self.assertEqual(mtu, conf['mtu']) self.assertEqual(interface, conf['ifname']) self.assertEqual(encapsulation, conf['linkinfo']['info_kind']) @@ -228,7 +228,7 @@ class TunnelInterfaceTest(BasicInterfaceTest.BaseTest): # Check if commit is ok self.session.commit() - conf = get_json_iface_options(interface) + conf = get_interface_config(interface) self.assertEqual(new_remote, conf['linkinfo']['info_data']['remote']) if __name__ == '__main__': diff --git a/smoketest/scripts/cli/test_interfaces_vxlan.py b/smoketest/scripts/cli/test_interfaces_vxlan.py index b66315c5e..2a04b0477 100755 --- a/smoketest/scripts/cli/test_interfaces_vxlan.py +++ b/smoketest/scripts/cli/test_interfaces_vxlan.py @@ -18,7 +18,7 @@ import unittest from vyos.configsession import ConfigSession from vyos.ifconfig import Interface -from vyos.util import get_json_iface_options +from vyos.util import get_interface_config from base_interfaces_test import BasicInterfaceTest @@ -52,7 +52,7 @@ class VXLANInterfaceTest(BasicInterfaceTest.BaseTest): ttl = 20 for interface in self._interfaces: - options = get_json_iface_options(interface) + options = get_interface_config(interface) vni = options['linkinfo']['info_data']['id'] self.assertIn(f'vni {vni}', self._options[interface]) diff --git a/smoketest/scripts/cli/test_protocols_bgp.py b/smoketest/scripts/cli/test_protocols_bgp.py index 9aa1541cf..7d397b55e 100755 --- a/smoketest/scripts/cli/test_protocols_bgp.py +++ b/smoketest/scripts/cli/test_protocols_bgp.py @@ -128,17 +128,19 @@ peer_group_config = { }, } -def getFRRBGPconfig(): - return cmd(f'vtysh -c "show run" | sed -n "/^router bgp {ASN}/,/^!/p"') +def getFRRBGPconfig(vrf=None): + if vrf: + return cmd(f'vtysh -c "show run" | sed -n "/^router bgp {ASN} vrf {vrf}$/,/^!/p"') + return cmd(f'vtysh -c "show run" | sed -n "/^router bgp {ASN}$/,/^!/p"') def getFRRBgpAfiConfig(afi): - return cmd(f'vtysh -c "show run" | sed -n "/^router bgp {ASN}/,/^!/p" | sed -n "/^ address-family {afi} unicast/,/^ exit-address-family/p"') + return cmd(f'vtysh -c "show run" | sed -n "/^router bgp {ASN}$/,/^!/p" | sed -n "/^ address-family {afi} unicast/,/^ exit-address-family/p"') def getFRRBGPVNIconfig(vni): - return cmd(f'vtysh -c "show run" | sed -n "/^ vni {vni}/,/^!/p"') + return cmd(f'vtysh -c "show run" | sed -n "/^ vni {vni}$/,/^!/p"') def getFRRRPKIconfig(): - return cmd(f'vtysh -c "show run" | sed -n "/^rpki/,/^!/p"') + return cmd(f'vtysh -c "show run" | sed -n "/^rpki$/,/^!/p"') class TestProtocolsBGP(unittest.TestCase): def setUp(self): @@ -551,5 +553,27 @@ class TestProtocolsBGP(unittest.TestCase): self.assertIn(f' advertise-default-gw', vniconfig) self.assertIn(f' advertise-svi-ip', vniconfig) + def test_bgp_08_vrf_simple(self): + router_id = '127.0.0.3' + vrfs = ['red', 'green', 'blue'] + # It is safe to assume that when the basic VRF test works, all + # other OSPF related features work, as we entirely inherit the CLI + # templates and Jinja2 FRR template. + table = '1000' + for vrf in vrfs: + vrf_base = ['vrf', 'name', vrf] + self.session.set(vrf_base + ['table', table]) + self.session.set(vrf_base + ['protocols', 'bgp', ASN, 'parameters', 'router-id', router_id]) + table = str(int(table) + 1000) + + self.session.commit() + + for vrf in vrfs: + # Verify FRR bgpd configuration + frrconfig = getFRRBGPconfig(vrf) + + self.assertIn(f'router bgp {ASN} vrf {vrf}', frrconfig) + self.assertIn(f' bgp router-id {router_id}', frrconfig) + if __name__ == '__main__': unittest.main(verbosity=2) diff --git a/smoketest/scripts/cli/test_protocols_ospf.py b/smoketest/scripts/cli/test_protocols_ospf.py index d9a6c17e4..532d84cc8 100755 --- a/smoketest/scripts/cli/test_protocols_ospf.py +++ b/smoketest/scripts/cli/test_protocols_ospf.py @@ -27,8 +27,10 @@ base_path = ['protocols', 'ospf'] route_map = 'foo-bar-baz10' -def getFRROSPFconfig(): - return cmd('vtysh -c "show run" | sed -n "/^router ospf/,/^!/p"') +def getFRRconfig(vrf=None): + if vrf: + return cmd(f'vtysh -c "show run" | sed -n "/^router ospf vrf {vrf}$/,/^!/p"') + return cmd('vtysh -c "show run" | sed -n "/^router ospf$/,/^!/p"') def getFRRInterfaceConfig(interface): return cmd(f'vtysh -c "show run" | sed -n "/^interface {interface}$/,/^!/p"') @@ -45,6 +47,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.delete(['policy', 'route-map', route_map]) self.session.delete(base_path) + self.session.commit() del self.session @@ -54,12 +57,11 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.commit() # Verify FRR ospfd configuration - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() self.assertIn(f'router ospf', frrconfig) self.assertIn(f' auto-cost reference-bandwidth 100', frrconfig) self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults - def test_ospf_02_simple(self): router_id = '127.0.0.1' abr_type = 'ibm' @@ -76,7 +78,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.commit() # Verify FRR ospfd configuration - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() self.assertIn(f'router ospf', frrconfig) self.assertIn(f' auto-cost reference-bandwidth {bandwidth}', frrconfig) self.assertIn(f' ospf router-id {router_id}', frrconfig) @@ -100,7 +102,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.commit() # Verify FRR ospfd configuration - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() self.assertIn(f'router ospf', frrconfig) self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults for ptotocol in protocols: @@ -121,7 +123,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.commit() # Verify FRR ospfd configuration - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() self.assertIn(f'router ospf', frrconfig) self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults self.assertIn(f' default-information originate metric {metric} metric-type {metric_type} route-map {route_map}', frrconfig) @@ -131,7 +133,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.commit() # Verify FRR ospfd configuration - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() self.assertIn(f' default-information originate always metric {metric} metric-type {metric_type} route-map {route_map}', frrconfig) @@ -158,7 +160,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.commit() # Verify FRR ospfd configuration - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() self.assertIn(f'router ospf', frrconfig) self.assertIn(f' mpls-te on', frrconfig) self.assertIn(f' mpls-te router-address 0.0.0.0', frrconfig) # default @@ -173,7 +175,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.set(base_path + ['distance', 'ospf', 'inter-area', inter_area]) self.session.commit() - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() self.assertIn(f' distance ospf intra-area {intra_area} inter-area {inter_area} external {external}', frrconfig) @@ -189,7 +191,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.commit() # Verify FRR ospfd configuration - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() self.assertIn(f'router ospf', frrconfig) for neighbor in neighbors: self.assertIn(f' neighbor {neighbor} priority {priority} poll-interval {poll_interval}', frrconfig) # default @@ -205,7 +207,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.commit() # Verify FRR ospfd configuration - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() self.assertIn(f'router ospf', frrconfig) self.assertIn(f' passive-interface default', frrconfig) # default for interface in interfaces: @@ -227,7 +229,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.commit() # Verify FRR ospfd configuration - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() self.assertIn(f'router ospf', frrconfig) for protocol in redistribute: if protocol in ['kernel', 'static']: @@ -235,6 +237,7 @@ class TestProtocolsOSPF(unittest.TestCase): else: self.assertIn(f' redistribute {protocol} metric {metric} metric-type {metric_type} route-map {route_map}', frrconfig) + def test_ospf_09_virtual_link(self): networks = ['10.0.0.0/8', '172.16.0.0/12', '192.168.0.0/16'] area = '10' @@ -257,7 +260,7 @@ class TestProtocolsOSPF(unittest.TestCase): self.session.commit() # Verify FRR ospfd configuration - frrconfig = getFRROSPFconfig() + frrconfig = getFRRconfig() import pprint # From time to time the CI fails with an error like: # ====================================================================== @@ -277,6 +280,7 @@ class TestProtocolsOSPF(unittest.TestCase): for network in networks: self.assertIn(f' network {network} area {area}', frrconfig) + def test_ospf_10_interface_configureation(self): interfaces = Section.interfaces('ethernet') password = 'vyos1234' @@ -308,5 +312,37 @@ class TestProtocolsOSPF(unittest.TestCase): self.assertIn(f' ip ospf priority {priority}', config) self.assertIn(f' bandwidth {bandwidth}', config) + + def test_ospf_11_vrfs(self): + vrfs = ['red', 'green', 'blue'] + # It is safe to assume that when the basic VRF test works, all + # other OSPF related features work, as we entirely inherit the CLI + # templates and Jinja2 FRR template. + table = '1000' + for vrf in vrfs: + vrf_base = ['vrf', 'name', vrf] + self.session.set(vrf_base + ['table', table]) + self.session.set(vrf_base + ['protocols', 'ospf']) + table = str(int(table) + 1000) + + # Also set a default VRF OSPF config + self.session.set(base_path) + self.session.commit() + + # Verify FRR ospfd configuration + frrconfig = getFRRconfig() + self.assertIn(f'router ospf', frrconfig) + self.assertIn(f' auto-cost reference-bandwidth 100', frrconfig) + self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults + + for vrf in vrfs: + frrconfig = getFRRconfig(vrf) + self.assertIn(f'router ospf vrf {vrf}', frrconfig) + self.assertIn(f' auto-cost reference-bandwidth 100', frrconfig) + self.assertIn(f' timers throttle spf 200 1000 10000', frrconfig) # defaults + + self.session.delete(['vrf', 'name', vrf]) + + if __name__ == '__main__': unittest.main(verbosity=2) diff --git a/smoketest/scripts/cli/test_protocols_static.py b/smoketest/scripts/cli/test_protocols_static.py index cf591f060..28ae5e2dd 100755 --- a/smoketest/scripts/cli/test_protocols_static.py +++ b/smoketest/scripts/cli/test_protocols_static.py @@ -21,6 +21,7 @@ from vyos.configsession import ConfigSession from vyos.configsession import ConfigSessionError from vyos.template import is_ipv6 from vyos.util import cmd +from vyos.util import get_interface_config base_path = ['protocols', 'static'] vrf_path = ['protocols', 'vrf'] @@ -85,7 +86,6 @@ routes = { }, } -vrfs = ['red', 'green', 'blue'] tables = ['80', '81', '82'] class StaticRouteTest(unittest.TestCase): @@ -99,9 +99,6 @@ class StaticRouteTest(unittest.TestCase): route_type = 'route6' self.session.delete(base_path + [route_type, route]) - for vrf in vrfs: - self.session.delete(vrf_path + [vrf]) - for table in tables: self.session.delete(base_path + ['table', table]) @@ -290,47 +287,65 @@ class StaticRouteTest(unittest.TestCase): def test_protocols_vrf_static(self): - for vrf in vrfs: + # Create VRF instances and apply the static routes from above to FRR. + # Re-read the configured routes and match them if they are programmed + # properly. This also includes VRF leaking + vrfs = { + 'red' : { 'table' : '1000' }, + 'green' : { 'table' : '2000' }, + 'blue' : { 'table' : '3000' }, + } + + for vrf, vrf_config in vrfs.items(): + vrf_base_path = ['vrf', 'name', vrf] + self.session.set(vrf_base_path + ['table', vrf_config['table']]) + for route, route_config in routes.items(): route_type = 'route' if is_ipv6(route): route_type = 'route6' - base = vrf_path + [vrf, 'static', route_type, route] + route_base_path = vrf_base_path + ['protocols', 'static', route_type, route] if 'next_hop' in route_config: for next_hop, next_hop_config in route_config['next_hop'].items(): - self.session.set(base + ['next-hop', next_hop]) + self.session.set(route_base_path + ['next-hop', next_hop]) if 'disable' in next_hop_config: - self.session.set(base + ['next-hop', next_hop, 'disable']) + self.session.set(route_base_path + ['next-hop', next_hop, 'disable']) if 'distance' in next_hop_config: - self.session.set(base + ['next-hop', next_hop, 'distance', next_hop_config['distance']]) + self.session.set(route_base_path + ['next-hop', next_hop, 'distance', next_hop_config['distance']]) if 'interface' in next_hop_config: - self.session.set(base + ['next-hop', next_hop, 'interface', next_hop_config['interface']]) + self.session.set(route_base_path + ['next-hop', next_hop, 'interface', next_hop_config['interface']]) if 'vrf' in next_hop_config: - self.session.set(base + ['next-hop', next_hop, 'vrf', next_hop_config['vrf']]) + self.session.set(route_base_path + ['next-hop', next_hop, 'vrf', next_hop_config['vrf']]) if 'interface' in route_config: for interface, interface_config in route_config['interface'].items(): - self.session.set(base + ['interface', interface]) + self.session.set(route_base_path + ['interface', interface]) if 'disable' in interface_config: - self.session.set(base + ['interface', interface, 'disable']) + self.session.set(route_base_path + ['interface', interface, 'disable']) if 'distance' in interface_config: - self.session.set(base + ['interface', interface, 'distance', interface_config['distance']]) + self.session.set(route_base_path + ['interface', interface, 'distance', interface_config['distance']]) if 'vrf' in interface_config: - self.session.set(base + ['interface', interface, 'vrf', interface_config['vrf']]) + self.session.set(route_base_path + ['interface', interface, 'vrf', interface_config['vrf']]) if 'blackhole' in route_config: - self.session.set(base + ['blackhole']) + self.session.set(route_base_path + ['blackhole']) if 'distance' in route_config['blackhole']: - self.session.set(base + ['blackhole', 'distance', route_config['blackhole']['distance']]) + self.session.set(route_base_path + ['blackhole', 'distance', route_config['blackhole']['distance']]) if 'tag' in route_config['blackhole']: - self.session.set(base + ['blackhole', 'tag', route_config['blackhole']['tag']]) + self.session.set(route_base_path + ['blackhole', 'tag', route_config['blackhole']['tag']]) # commit changes self.session.commit() - for vrf in vrfs: + for vrf, vrf_config in vrfs.items(): + tmp = get_interface_config(vrf) + + # Compare VRF table ID + self.assertEqual(tmp['linkinfo']['info_data']['table'], int(vrf_config['table'])) + self.assertEqual(tmp['linkinfo']['info_kind'], 'vrf') + # Verify FRR bgpd configuration frrconfig = getFRRCconfig(vrf) self.assertIn(f'vrf {vrf}', frrconfig) @@ -380,6 +395,7 @@ class StaticRouteTest(unittest.TestCase): self.assertIn(tmp, frrconfig) + self.session.delete(['vrf']) if __name__ == '__main__': unittest.main(verbosity=2) diff --git a/smoketest/scripts/cli/test_vrf.py b/smoketest/scripts/cli/test_vrf.py index 8e977d407..aac115663 100755 --- a/smoketest/scripts/cli/test_vrf.py +++ b/smoketest/scripts/cli/test_vrf.py @@ -33,12 +33,6 @@ from vyos.validate import is_intf_addr_assigned base_path = ['vrf'] vrfs = ['red', 'green', 'blue', 'foo-bar', 'baz_foo'] -def get_vrf_ipv4_routes(vrf): - return json.loads(cmd(f'ip -4 -j route show vrf {vrf}')) - -def get_vrf_ipv6_routes(vrf): - return json.loads(cmd(f'ip -6 -j route show vrf {vrf}')) - class VRFTest(unittest.TestCase): _interfaces = [] |