From 44f173ecd1311296e347b066592163e9abbe3483 Mon Sep 17 00:00:00 2001 From: Matus Fabian Date: Mon, 22 Feb 2016 15:21:57 +0100 Subject: Instead of Sleep loop verification of interfaces Change-Id: I29a974182082f0e5c84a9dd21a539d21ef75b41b Signed-off-by: Matus Fabian --- resources/libraries/python/InterfaceUtil.py | 71 ++++++++++++++++++++++++++- resources/libraries/robot/bridge_domain.robot | 3 +- resources/libraries/robot/ipv4.robot | 3 +- resources/libraries/robot/ipv6.robot | 3 +- 4 files changed, 75 insertions(+), 5 deletions(-) (limited to 'resources/libraries') diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py index 38b476ed52..c074a88ac3 100644 --- a/resources/libraries/python/InterfaceUtil.py +++ b/resources/libraries/python/InterfaceUtil.py @@ -13,9 +13,11 @@ """Interface util library""" +from time import time, sleep +from robot.api import logger from resources.libraries.python.ssh import exec_cmd_no_error from resources.libraries.python.topology import NodeType, Topology -from resources.libraries.python.VatExecutor import VatExecutor +from resources.libraries.python.VatExecutor import VatExecutor, VatTerminal class InterfaceUtil(object): @@ -41,7 +43,7 @@ class InterfaceUtil(object): elif state == 'down': state = 'admin-down' else: - raise Exception('Unexpected interface state: {}'.format(state)) + raise ValueError('Unexpected interface state: {}'.format(state)) sw_if_index = Topology.get_interface_sw_index(node, interface) VatExecutor.cmd_from_template(node, 'set_if_state.vat', @@ -52,3 +54,68 @@ class InterfaceUtil(object): exec_cmd_no_error(node, cmd, sudo=True) else: raise Exception('Unknown NodeType: "{}"'.format(node['type'])) + + @staticmethod + def vpp_node_interfaces_ready_wait(node, timeout=10): + """Wait until all interfaces with admin-up are in link-up state. + + :param node: Node to wait on. + :param timeout: Waiting timeout in seconds (optional, default 10s) + :type node: dict + :type timeout: int + :raises: RuntimeError if the timeout period value has elapsed. + """ + if_ready = False + vat = VatTerminal(node) + not_ready = [] + start = time() + while if_ready != True: + out = vat.vat_terminal_exec_cmd('sw_interface_dump') + if time() - start > timeout: + for interface in out: + if interface.get('admin_up_down') == 1: + if interface.get('link_up_down') != 1: + logger.debug('{0} link-down'.format( + interface.get('interface_name'))) + raise RuntimeError('timeout, not up {0}'.format(not_ready)) + not_ready = [] + for interface in out: + if interface.get('admin_up_down') == 1: + if interface.get('link_up_down') != 1: + not_ready.append(interface.get('interface_name')) + if not not_ready: + if_ready = True + else: + logger.debug('Interfaces still in link-down state: {0}, ' \ + 'waiting...'.format(not_ready)) + sleep(1) + vat.vat_terminal_close() + + @staticmethod + def vpp_nodes_interfaces_ready_wait(nodes, timeout=10): + """Wait until all interfaces with admin-up are in link-up state for + listed nodes. + + :param nodes: List of nodes to wait on. + :param timeout: Seconds to wait per node for all interfaces to come up. + :type node: list + :type timeout: int + :raises: RuntimeError if the timeout period value has elapsed. + """ + for node in nodes: + InterfaceUtil.vpp_node_interfaces_ready_wait(node, timeout) + + @staticmethod + def all_vpp_interfaces_ready_wait(nodes, timeout=10): + """Wait until all interfaces with admin-up are in link-up state for all + nodes in the topology. + + :param nodes: Nodes in the topology. + :param timeout: Seconds to wait per node for all interfaces to come up. + :type node: dict + :type timeout: int + :raises: RuntimeError if the timeout period value has elapsed. + """ + for node in nodes.values(): + if node['type'] == NodeType.DUT: + InterfaceUtil.vpp_node_interfaces_ready_wait(node, timeout) diff --git a/resources/libraries/robot/bridge_domain.robot b/resources/libraries/robot/bridge_domain.robot index f433599bbd..99ba375c68 100644 --- a/resources/libraries/robot/bridge_domain.robot +++ b/resources/libraries/robot/bridge_domain.robot @@ -15,6 +15,7 @@ | Library | resources.libraries.python.topology.Topology | Library | resources.libraries.python.TrafficScriptExecutor | Library | resources.libraries.python.L2Util +| Library | resources.libraries.python.InterfaceUtil *** Keywords *** | Vpp l2bd forwarding setup @@ -24,7 +25,7 @@ | | Vpp Add L2 Bridge Domain | ${node} | ${1} | ${if1} | ${if2} | ${learn} | | Run Keyword If | ${learn} == ${FALSE} | | ... | Vpp Add L2fib Entry | ${node} | ${mac} | ${if2} | ${1} -| | Sleep | 5 | # Wait some time after interface is set up +| | All Vpp Interfaces Ready Wait | ${nodes} | Send and receive traffic | | [Documentation] | Send traffic from source interface to destination interface diff --git a/resources/libraries/robot/ipv4.robot b/resources/libraries/robot/ipv4.robot index 0cfb73b7b7..4ed0181d52 100644 --- a/resources/libraries/robot/ipv4.robot +++ b/resources/libraries/robot/ipv4.robot @@ -18,6 +18,7 @@ | Library | resources.libraries.python.NodePath | Library | resources.libraries.python.Routing | Library | resources.libraries.python.TrafficScriptExecutor +| Library | resources.libraries.python.InterfaceUtil | Variables | resources/libraries/python/IPv4NodeAddress.py | ${nodes} *** Keywords *** @@ -52,7 +53,7 @@ | | Setup IPv4 adresses on all DUT nodes in topology | ${nodes} | ${nodes_ipv4_addr} | | Setup ARP on all DUTs | ${nodes} | ${nodes_ipv4_addr} | | Routes are set up for IPv4 testing | ${nodes} | ${nodes_ipv4_addr} -| | Sleep | 10 +| | All Vpp Interfaces Ready Wait | ${nodes} | TG interface "${tg_port}" can route to node "${node}" interface "${port}" "${hops}" hops away using IPv4 | | Node "${nodes['TG']}" interface "${tg_port}" can route to node "${node}" interface "${port}" "${hops}" hops away using IPv4 diff --git a/resources/libraries/robot/ipv6.robot b/resources/libraries/robot/ipv6.robot index 6cd6640b0a..4783b070ab 100644 --- a/resources/libraries/robot/ipv6.robot +++ b/resources/libraries/robot/ipv6.robot @@ -19,6 +19,7 @@ | Library | resources/libraries/python/TrafficScriptExecutor.py | Library | resources/libraries/python/NodePath.py | Library | resources/libraries/python/Routing.py +| Library | resources/libraries/python/InterfaceUtil.py | Library | resources.libraries.python.topology.Topology | Resource | resources/libraries/robot/default.robot | Resource | resources/libraries/robot/counters.robot @@ -152,7 +153,7 @@ | | [Arguments] | ${nodes} | ${nodes_addr} | | Setup all DUTs before test | | Nodes Setup Ipv6 Addresses | ${nodes} | ${nodes_addr} -| | Sleep | 10 +| | All Vpp Interfaces Ready Wait | ${nodes} | Clear ipv6 on all dut in topology | | [Documentation] | Remove IPv6 address on all DUTs -- cgit 1.2.3-korg