"""L2 Utilities Library."""
from robot.api.deco import keyword
+
from resources.libraries.python.topology import Topology
from resources.libraries.python.VatExecutor import VatExecutor, VatTerminal
from resources.libraries.python.ssh import exec_cmd_no_error
class L2Util(object):
- """Utilities for l2 configuration"""
+ """Utilities for l2 configuration."""
@staticmethod
def vpp_add_l2fib_entry(node, mac, interface, bd_id):
forward {forward} learn {learn} arp-term {arp_term}" VAT command on
the node.
- :param node: node where we wish to crate the l2 bridge domain
- :param bd_id: bridge domain index number
- :param flood: enable flooding
- :param uu_flood: enable uu_flood
- :param forward: enable forwarding
- :param learn: enable mac address learning to fib
- :param arp_term: enable arp_termination
+ :param node: Node where we wish to crate the l2 bridge domain.
+ :param bd_id: Bridge domain index number.
+ :param flood: Enable flooding.
+ :param uu_flood: Enable uu_flood.
+ :param forward: Enable forwarding.
+ :param learn: Enable mac address learning to fib.
+ :param arp_term: Enable arp_termination.
:type node: dict
:type bd_id: int
:type flood: bool
Get SW IF ID and add it to the bridge domain.
- :param node: node where we want to execute the command that does this
- :param interface: interface name
- :param bd_id: bridge domain index number to add Interface name to
- :param shg: split horizon group
+ :param node: Node where we want to execute the command that does this.
+ :param interface: Interface name.
+ :param bd_id: Bridge domain index number to add Interface name to.
+ :param shg: Split horizon group.
:type node: dict
:type interface: str
:type bd_id: int
Execute the "sw_interface_set_l2_bridge sw_if_index {sw_if_index}
bd_id {bd_id} shg {shg} enable" VAT command on the given node.
- :param node: node where we want to execute the command that does this
- :param sw_if_index: interface index
- :param bd_id: bridge domain index number to add SW IF ID to
- :param shg: split horizon group
+ :param node: Node where we want to execute the command that does this.
+ :param sw_if_index: Interface index.
+ :param bd_id: Bridge domain index number to add SW IF ID to.
+ :param shg: Split horizon group.
:type node: dict
:type sw_if_index: int
:type bd_id: int
def create_bridge_domain_vat_dict(node, link_names, bd_id):
"""Create dictionary that can be used in l2 bridge domain template.
- :param node: node data dictionary
- :param link_names: list of names of links the bridge domain should be
- connecting
- :param bd_id: bridge domain index number
- :type node: dict
- :type link_names: list
- :return: dictionary used to generate l2 bridge domain VAT configuration
- from template file
The resulting dictionary looks like this:
'interface1': interface name of first interface
'interface2': interface name of second interface
'bd_id': bridge domain index
+
+ :param node: Node data dictionary.
+ :param link_names: List of names of links the bridge domain should be
+ connecting.
+ :param bd_id: Bridge domain index number.
+ :type node: dict
+ :type link_names: list
+ :return: Dictionary used to generate l2 bridge domain VAT configuration
+ from template file.
+ :rtype: dict
"""
bd_dict = Topology().get_interfaces_by_link_names(node, link_names)
bd_dict['bd_id'] = bd_id
def vpp_setup_bidirectional_cross_connect(node, interface1, interface2):
"""Create bidirectional cross-connect between 2 interfaces on vpp node.
- :param node: Node to add bidirectional cross-connect
- :param interface1: first interface name or sw_if_index
- :param interface2: second interface name or sw_if_index
+ :param node: Node to add bidirectional cross-connect.
+ :param interface1: First interface name or sw_if_index.
+ :param interface2: Second interface name or sw_if_index.
:type node: dict
:type interface1: str or int
:type interface2: str or int
:type br_name: str
:type if_1: str
:type if_2: str
+
"""
cmd = 'brctl addbr {0}'.format(br_name)
exec_cmd_no_error(node, cmd, sudo=True)
cmd = 'brctl addif {0} {1}'.format(br_name, if_2)
exec_cmd_no_error(node, cmd, sudo=True)
+ @staticmethod
+ def setup_network_namespace(node, namespace_name, interface_name,
+ ip_address, prefix):
+ """Setup namespace on given node and attach interface and IP to
+ this namespace. Applicable also on TG node.
+
+ :param node: Node to set namespace on.
+ :param namespace_name: Namespace name.
+ :param interface_name: Interface name.
+ :param ip_address: IP address of namespace's interface.
+ :param prefix: IP address prefix length.
+ :type node: dict
+ :type namespace_name: str
+ :type vhost_if: str
+ :type ip_address: str
+ :type prefix: int
+
+ """
+ cmd = ('ip netns add {0}'.format(namespace_name))
+ exec_cmd_no_error(node, cmd, sudo=True)
+
+ cmd = ('ip link set dev {0} up netns {1}'.format(interface_name,
+ namespace_name))
+ exec_cmd_no_error(node, cmd, sudo=True)
+
+ cmd = ('ip netns exec {0} ip addr add {1}/{2} dev {3}'.format(
+ namespace_name, ip_address, prefix, interface_name))
+ exec_cmd_no_error(node, cmd, sudo=True)
+
@staticmethod
def linux_del_bridge(node, br_name):
"""Delete bridge from linux node.
:param node: Node to delete bridge from.
:param br_name: Bridge name.
- .. note:: The network interface corresponding to the bridge must be
+ ..note:: The network interface corresponding to the bridge must be
down before it can be deleted!
"""
cmd = 'brctl delbr {0}'.format(br_name)
return bridge_domain
return data
+
+ @staticmethod
+ def l2_tag_rewrite(node, interface, tag_rewrite_method, tag1_id=None):
+ """Rewrite tags in frame.
+
+ :param node: Node to rewrite tags.
+ :param interface: Interface on which rewrite tags.
+ :param tag_rewrite_method: Method of tag rewrite.
+ :param tag1_id: Optional tag1 ID for VLAN.
+ :type node: dict
+ :type interface: str or int
+ :type tag_rewrite_method : str
+ :type tag1_id: int
+ """
+ if tag1_id is None:
+ tag1_id = ''
+ else:
+ tag1_id = 'tag1 {0}'.format(tag1_id)
+ if isinstance(interface, basestring):
+ sw_if_index = Topology.get_interface_sw_index(node, interface)
+ else:
+ sw_if_index = interface
+
+ with VatTerminal(node) as vat:
+ vat.vat_terminal_exec_cmd_from_template("l2_tag_rewrite.vat",
+ sw_if_index=sw_if_index,
+ tag_rewrite_method=
+ tag_rewrite_method,
+ tag1_optional=tag1_id)
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