Modify handling Ixia traffic profile parameters

Modified Ixia traffic profile class to handle all traffic parameters as
optional.

JIRA: YARDSTICK-1456

Change-Id: Ib7ee1728baad0f271dd6a923b94bc686bc9bffc6
Signed-off-by: Oleksandr Naumets <oleksandrx.naumets@intel.com>

3 files changed, 127 insertions, 94 deletions

diff --git a/yardstick/network_services/libs/ixia_libs/ixnet/ixnet_api.py b/yardstick/network_services/libs/ixia_libs/ixnet/ixnet_api.py
index cf625d483..716fb5c62 100644
--- a/yardstick/network_services/libs/ixia_libs/ixnet/ixnet_api.py
+++ b/yardstick/network_services/libs/ixia_libs/ixnet/ixnet_api.py
@@ -406,16 +406,15 @@ class IxNextgen(object):  # pragma: no cover
                 raise exceptions.IxNetworkFlowNotPresent(flow_group=fg_id)
 
             type = traffic_param.get('traffic_type', 'fixedDuration')
-            rate = traffic_param['rate']
             rate_unit = (
                 'framesPerSecond' if traffic_param['rate_unit'] ==
                 tp_base.TrafficProfileConfig.RATE_FPS else 'percentLineRate')
             weighted_range_pairs = self._parse_framesize(
-                traffic_param['outer_l2']['framesize'])
+                traffic_param['outer_l2'].get('framesize', {}))
             srcmac = str(traffic_param['outer_l2'].get('srcmac', '00:00:00:00:00:01'))
             dstmac = str(traffic_param['outer_l2'].get('dstmac', '00:00:00:00:00:02'))
 
-            if traffic_param['outer_l2']['QinQ']:
+            if traffic_param['outer_l2'].get('QinQ'):
                 s_vlan = traffic_param['outer_l2']['QinQ']['S-VLAN']
                 c_vlan = traffic_param['outer_l2']['QinQ']['C-VLAN']
 
@@ -440,21 +439,27 @@ class IxNextgen(object):  # pragma: no cover
             self.ixnet.setMultiAttribute(
                 config_element + '/transmissionControl',
                 '-type', type, '-duration', duration)
+
             self.ixnet.setMultiAttribute(
                 config_element + '/frameRate',
-                '-rate', rate, '-type', rate_unit)
-            self.ixnet.setMultiAttribute(
-                config_element + '/frameSize',
-                '-type', 'weightedPairs',
-                '-weightedRangePairs', weighted_range_pairs)
+                '-rate', traffic_param['rate'], '-type', rate_unit)
+
+            if len(weighted_range_pairs):
+                self.ixnet.setMultiAttribute(
+                    config_element + '/frameSize',
+                    '-type', 'weightedPairs',
+                    '-weightedRangePairs', weighted_range_pairs)
+
             self.ixnet.commit()
 
-            self._update_frame_mac(
-                self._get_stack_item(fg_id, PROTO_ETHERNET)[0],
-                'destinationAddress', dstmac)
-            self._update_frame_mac(
-                self._get_stack_item(fg_id, PROTO_ETHERNET)[0],
-                'sourceAddress', srcmac)
+            if dstmac:
+                self._update_frame_mac(
+                    self._get_stack_item(fg_id, PROTO_ETHERNET)[0],
+                    'destinationAddress', dstmac)
+            if srcmac:
+                self._update_frame_mac(
+                    self._get_stack_item(fg_id, PROTO_ETHERNET)[0],
+                    'sourceAddress', srcmac)
 
     def _update_vlan_tag(self, fg_id, params, vlan=0):
         field_to_param_map = {
@@ -514,20 +519,24 @@ class IxNextgen(object):  # pragma: no cover
             if not self._get_config_element_by_flow_group_name(fg_id):
                 raise exceptions.IxNetworkFlowNotPresent(flow_group=fg_id)
 
-            count = traffic_param['outer_l3']['count']
-            srcip = str(traffic_param['outer_l3']['srcip'])
-            dstip = str(traffic_param['outer_l3']['dstip'])
-            srcseed = traffic_param['outer_l3']['srcseed']
-            dstseed = traffic_param['outer_l3']['dstseed']
-            srcmask = traffic_param['outer_l3']['srcmask'] or IP_VERSION_4_MASK
-            dstmask = traffic_param['outer_l3']['dstmask'] or IP_VERSION_4_MASK
-
-            self._update_ipv4_address(
-                self._get_stack_item(fg_id, PROTO_IPV4)[0],
-                'srcIp', srcip, srcseed, srcmask, count)
-            self._update_ipv4_address(
-                self._get_stack_item(fg_id, PROTO_IPV4)[0],
-                'dstIp', dstip, dstseed, dstmask, count)
+            if traffic_param['outer_l3']:
+                count = traffic_param['outer_l3']['count']
+                srcip = traffic_param['outer_l3']['srcip']
+                dstip = traffic_param['outer_l3']['dstip']
+                srcseed = traffic_param['outer_l3']['srcseed']
+                dstseed = traffic_param['outer_l3']['dstseed']
+                srcmask = traffic_param['outer_l3']['srcmask'] \
+                          or IP_VERSION_4_MASK
+                dstmask = traffic_param['outer_l3']['dstmask'] \
+                          or IP_VERSION_4_MASK
+                if srcip:
+                    self._update_ipv4_address(
+                        self._get_stack_item(fg_id, PROTO_IPV4)[0],
+                        'srcIp', str(srcip), srcseed, srcmask, count)
+                if dstip:
+                    self._update_ipv4_address(
+                        self._get_stack_item(fg_id, PROTO_IPV4)[0],
+                        'dstIp', str(dstip), dstseed, dstmask, count)
 
     def update_l4(self, traffic):
         """Update the L4 headers
@@ -541,7 +550,10 @@ class IxNextgen(object):  # pragma: no cover
             if not self._get_config_element_by_flow_group_name(fg_id):
                 raise exceptions.IxNetworkFlowNotPresent(flow_group=fg_id)
 
-            proto = traffic_param['outer_l3']['proto']
+            proto = traffic_param['outer_l3'].get('proto')
+            if not (proto and traffic_param['outer_l4']):
+                continue
+
             if proto not in SUPPORTED_PROTO:
                 raise exceptions.IXIAUnsupportedProtocol(protocol=proto)
 
@@ -554,12 +566,15 @@ class IxNextgen(object):  # pragma: no cover
             dstport = traffic_param['outer_l4']['dstport']
             dstmask = traffic_param['outer_l4']['dstportmask']
 
-            if proto in SUPPORTED_PROTO:
-                self._update_udp_port(self._get_stack_item(fg_id, proto)[0],
-                                      'srcPort', srcport, seed, srcmask, count)
-
-                self._update_udp_port(self._get_stack_item(fg_id, proto)[0],
-                                      'dstPort', dstport, seed, dstmask, count)
+            if proto == PROTO_UDP:
+                if srcport:
+                    self._update_udp_port(
+                        self._get_stack_item(fg_id, proto)[0],
+                        'srcPort', srcport, seed, srcmask, count)
+                if dstport:
+                    self._update_udp_port(
+                        self._get_stack_item(fg_id, proto)[0],
+                        'dstPort', dstport, seed, dstmask, count)
 
     def _update_udp_port(self, descriptor, field, value,
                          seed=1, mask=0, count=1):
diff --git a/yardstick/network_services/traffic_profile/ixia_rfc2544.py b/yardstick/network_services/traffic_profile/ixia_rfc2544.py
index 44bf2eafc..b8aa78d80 100644
--- a/yardstick/network_services/traffic_profile/ixia_rfc2544.py
+++ b/yardstick/network_services/traffic_profile/ixia_rfc2544.py
@@ -56,68 +56,83 @@ class IXIARFC2544Profile(trex_traffic_profile.TrexProfile):
             if not traffickey.startswith((self.UPLINK, self.DOWNLINK)):
                 continue
 
+            # values should be single-item dict, so just grab the first item
             try:
-                # values should be single-item dict, so just grab the first item
-                try:
-                    key, value = next(iter(values.items()))
-                except StopIteration:
-                    result[traffickey] = {}
-                    continue
-
-                port_id = value.get('id', 1)
-                port_index = port_id - 1
-
-                if value.get('outer_l3v4'):
-                    ip = value['outer_l3v4']
-                    src_key, dst_key = 'srcip4', 'dstip4'
-                else:
-                    ip = value['outer_l3v6']
-                    src_key, dst_key = 'srcip6', 'dstip6'
-
-                srcip, srcmask = self._get_ip_and_mask(ip[src_key])
-                dstip, dstmask = self._get_ip_and_mask(ip[dst_key])
-
-                outer_l4 = value.get('outer_l4')
-                src_port, src_port_mask = self._get_fixed_and_mask(outer_l4['srcport'])
-                dst_port, dst_port_mask = self._get_fixed_and_mask(outer_l4['dstport'])
-                result[traffickey] = {
-                    'bidir': False,
-                    'id': port_id,
-                    'rate': self.rate,
-                    'rate_unit': self.rate_unit,
-                    'outer_l2': {
-                        'framesize': value['outer_l2']['framesize'],
-                        'framesPerSecond': True,
-                        'QinQ': value['outer_l2'].get('QinQ'),
-                        'srcmac': mac['src_mac_{}'.format(port_index)],
-                        'dstmac': mac['dst_mac_{}'.format(port_index)],
-                    },
-                    'outer_l3': {
-                        'count': ip['count'],
-                        'dscp': ip['dscp'],
-                        'ttl': ip['ttl'],
-                        'srcseed': ip.get('srcseed', 1),
-                        'dstseed': ip.get('dstseed', 1),
-                        'srcip': srcip,
-                        'dstip': dstip,
-                        'srcmask': srcmask,
-                        'dstmask': dstmask,
-                        'type': key,
-                        'proto': ip['proto'],
-                    },
-                    'outer_l4': {
-                        'srcport': src_port,
-                        'dstport': dst_port,
-                        'srcportmask': src_port_mask,
-                        'dstportmask': dst_port_mask,
-                        'count': outer_l4['count'],
-                        'seed': outer_l4.get('seed', 1)
-                    }
-
-                }
-            except KeyError:
+                key, value = next(iter(values.items()))
+            except StopIteration:
+                result[traffickey] = {}
                 continue
 
+            port_id = value.get('id', 1)
+            port_index = port_id - 1
+
+            result[traffickey] = {
+                'bidir': False,
+                'id': port_id,
+                'rate': self.rate,
+                'rate_unit': self.rate_unit,
+                'outer_l2': {},
+                'outer_l3': {},
+                'outer_l4': {},
+            }
+
+            outer_l2 = value.get('outer_l2')
+            if outer_l2:
+                result[traffickey]['outer_l2'].update({
+                    'framesize': outer_l2.get('framesize'),
+                    'framesPerSecond': True,
+                    'QinQ': outer_l2.get('QinQ'),
+                    'srcmac': mac.get('src_mac_{}'.format(port_index)),
+                    'dstmac': mac.get('dst_mac_{}'.format(port_index)),
+                })
+
+            if value.get('outer_l3v4'):
+                outer_l3 = value['outer_l3v4']
+                src_key, dst_key = 'srcip4', 'dstip4'
+            else:
+                outer_l3 = value.get('outer_l3v6')
+                src_key, dst_key = 'srcip6', 'dstip6'
+            if outer_l3:
+                srcip = srcmask = dstip = dstmask = None
+                if outer_l3.get(src_key):
+                    srcip, srcmask = self._get_ip_and_mask(outer_l3[src_key])
+                if outer_l3.get(dst_key):
+                    dstip, dstmask = self._get_ip_and_mask(outer_l3[dst_key])
+
+                result[traffickey]['outer_l3'].update({
+                    'count': outer_l3.get('count', 1),
+                    'dscp': outer_l3.get('dscp'),
+                    'ttl': outer_l3.get('ttl'),
+                    'srcseed': outer_l3.get('srcseed', 1),
+                    'dstseed': outer_l3.get('dstseed', 1),
+                    'srcip': srcip,
+                    'dstip': dstip,
+                    'srcmask': srcmask,
+                    'dstmask': dstmask,
+                    'type': key,
+                    'proto': outer_l3.get('proto'),
+                })
+
+            outer_l4 = value.get('outer_l4')
+            if outer_l4:
+                src_port = src_port_mask = dst_port = dst_port_mask = None
+                if outer_l4.get('srcport'):
+                    src_port, src_port_mask = (
+                        self._get_fixed_and_mask(outer_l4['srcport']))
+
+                if outer_l4.get('dstport'):
+                    dst_port, dst_port_mask = (
+                        self._get_fixed_and_mask(outer_l4['dstport']))
+
+                result[traffickey]['outer_l4'].update({
+                    'srcport': src_port,
+                    'dstport': dst_port,
+                    'srcportmask': src_port_mask,
+                    'dstportmask': dst_port_mask,
+                    'count': outer_l4.get('count', 1),
+                    'seed': outer_l4.get('seed', 1),
+                })
+
         return result
 
     def _ixia_traffic_generate(self, traffic, ixia_obj):
diff --git a/yardstick/tests/unit/network_services/libs/ixia_libs/test_ixnet_api.py b/yardstick/tests/unit/network_services/libs/ixia_libs/test_ixnet_api.py
index 01ed4e34e..91ca16172 100644
--- a/yardstick/tests/unit/network_services/libs/ixia_libs/test_ixnet_api.py
+++ b/yardstick/tests/unit/network_services/libs/ixia_libs/test_ixnet_api.py
@@ -643,6 +643,9 @@ class TestIxNextgen(unittest.TestCase):
                 'outer_l3': {
                     'proto': 'unsupported',
                 },
+                'outer_l4': {
+                    'seed': 1
+                }
             },
         }
         with mock.patch.object(self.ixnet_gen,