openstack/neutron-tempest-plugin
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Configure a NetworkManager profile with ipv6 supported format

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This test was unstable due to the default ipv6 format in NM isn't
supported by neutron

Change-Id: Ied226dec9923f021d8f26f1e59b01602d4b1ae82
This commit is contained in:
ccamposr 2021-03-06 00:26:14 +01:00 committed by Candido Campos Rivas
parent 74bd5c8edd
commit dfca7c12dc
1 changed files with 25 additions and 17 deletions
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42
neutron_tempest_plugin/scenario/test_ipv6.py
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@ -43,35 +43,41 @@ def turn_nic6_on(ssh, ipv6_port):
"""
ip_command = ip.IPCommand(ssh)
nic = ip_command.get_nic_name_by_mac(ipv6_port['mac_address'])
ip_command.set_link(nic, "up")
# NOTE(slaweq): on RHEL based OS ifcfg file for new interface is
# needed to make IPv6 working on it, so if
# /etc/sysconfig/network-scripts directory exists ifcfg-%(nic)s file
# should be added in it
if sysconfig_network_scripts_dir_exists(ssh):
def configure_eth_connection_profile_NM(ssh):
"""Prepare a Network manager profile for ipv6 port
By default the NetworkManager uses IPv6 privacy
format it isn't supported by neutron then we create
a ether profile with eui64 supported format
@param ssh: RemoteClient ssh instance to server
"""
# NOTE(ccamposr): on RHEL based OS we need a ether profile with
# eui64 format
if nmcli_command_exists(ssh):
try:
ssh.execute_script(
'echo -e "DEVICE=%(nic)s\\nNAME=%(nic)s\\nIPV6INIT=yes" | '
'tee /etc/sysconfig/network-scripts/ifcfg-%(nic)s; '
'nmcli connection reload' % {'nic': nic},
become_root=True)
ssh.execute_script('nmcli connection up %s' % nic,
ssh.execute_script('nmcli connection add type ethernet con-name '
'ether ifname "*"', become_root=True)
ssh.execute_script('nmcli con mod ether ipv6.addr-gen-mode eui64',
become_root=True)
except lib_exc.SSHExecCommandFailed as e:
# NOTE(slaweq): Sometimes it can happen that this SSH command
# will fail because of some error from network manager in
# guest os.
# But even then doing ip link set up below is fine and
# IP address should be configured properly.
LOG.debug("Error during restarting %(nic)s interface on "
"instance. Error message: %(error)s",
{'nic': nic, 'error': e})
ip_command.set_link(nic, "up")
LOG.debug("Error creating NetworkManager profile. "
"Error message: %(error)s",
{'error': e})
def sysconfig_network_scripts_dir_exists(ssh):
def nmcli_command_exists(ssh):
return "False" not in ssh.execute_script(
'test -d /etc/sysconfig/network-scripts/ || echo "False"')
'if ! type nmcli > /dev/null ; then echo "False"; fi')
class IPv6Test(base.BaseTempestTestCase):
@ -165,6 +171,8 @@ class IPv6Test(base.BaseTempestTestCase):
# And plug VM to the second IPv6 network
ipv6_port = self.create_port(ipv6_networks[1])
# Add NetworkManager profile with ipv6 eui64 format to guest OS
configure_eth_connection_profile_NM(ssh_client)
self.create_interface(vm['id'], ipv6_port['id'])
ip.wait_for_interface_status(
self.os_primary.interfaces_client, vm['id'],