[VOL-4093] Added TT Multi-Tcont Test

Change-Id: I919068810006086205d7fca3d9225a7364640fec
diff --git a/tests/data/flex-ocp-cord-TT-multi-tcont-tests-input.yaml b/tests/data/flex-ocp-cord-TT-multi-tcont-tests-input.yaml
new file mode 100644
index 0000000..dc2ab1e
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+++ b/tests/data/flex-ocp-cord-TT-multi-tcont-tests-input.yaml
@@ -0,0 +1,62 @@
+# Copyright 2021-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Automated multi-tcont tests input configuration for Flex POD 1
+
+---
+
+multi_tcont_tests:
+  tcont1:
+    -
+      onu: 'ALPHe3d1cea3'
+      service_type: 'voip'
+      us_bw_profile: 'TCONT_TYPE1_200Mbps_Fixed_ForVOIP'
+  tcont1tcont4:
+    -
+      onu: 'ALPHe3d1cea3'
+      service_type: 'voip'
+      us_bw_profile: 'TCONT_TYPE1_200Mbps_Fixed_ForVOIP'
+    -
+      onu: 'ALPHe3d1cea3'
+      service_type: 'hsia'
+      us_bw_profile: 'TCONT_TYPE4_1Gbps_Peak_User1_HSI_Upstream'
+  tcont2tcont4:
+    -
+      onu: 'ALPHe3d1cea3'
+      service_type: 'vod'
+      us_bw_profile: 'TCONT_TYPE2_500Mbps_Assured_ForVoD'
+    -
+      onu: 'ALPHe3d1cea3'
+      service_type: 'hsia'
+      us_bw_profile: 'TCONT_TYPE4_1Gbps_Peak_User1_HSI_Upstream'
+  tcont2tcont3:
+    -
+      onu: 'ALPHe3d1cea3'
+      service_type: 'vod'
+      us_bw_profile: 'TCONT_TYPE2_500Mbps_Assured_ForVoD'
+    -
+      onu: 'ALPHe3d1ceb7'
+      service_type: 'vod'
+      us_bw_profile: 'TCONT_TYPE3_700Mbps_Peak_500Mbps_Assured_ForVoD'
+  tcont4tcont5:
+    -
+      onu: 'ALPHe3d1cea3'
+      service_type: 'hsia'
+      us_bw_profile: 'TCONT_TYPE4_1Gbps_Peak_User1_HSI_Upstream'
+    -
+      onu: 'ALPHe3d1ceb7'
+      service_type: 'hsia'
+# yamllint disable
+      us_bw_profile: 'TCONT_TYPE5_1Gbps_Peak_500Mbps_Assured_200Mbps_Fixed_User1_HSI_Upstream'
+# yamllint enable
diff --git a/tests/tt-workflow/Voltha_TT_MultiTcontTests.robot b/tests/tt-workflow/Voltha_TT_MultiTcontTests.robot
new file mode 100755
index 0000000..6ca11d4
--- /dev/null
+++ b/tests/tt-workflow/Voltha_TT_MultiTcontTests.robot
@@ -0,0 +1,142 @@
+# Copyright 2021 - present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# FIXME Can we use the same test against BBSim and Hardware?
+
+*** Settings ***
+Documentation     Test various functional end-to-end scenarios for TT workflow
+Suite Setup       Setup Suite
+Test Setup        Setup
+Test Teardown     Teardown
+Suite Teardown    Teardown Suite
+Library           Collections
+Library           String
+Library           OperatingSystem
+Library           XML
+Library           RequestsLibrary
+Library           ../../libraries/DependencyLibrary.py
+Resource          ../../libraries/onos.robot
+Resource          ../../libraries/voltctl.robot
+Resource          ../../libraries/voltha.robot
+Resource          ../../libraries/utils.robot
+Resource          ../../libraries/k8s.robot
+Resource          ../../variables/variables.robot
+Resource          ../../libraries/power_switch.robot
+
+*** Variables ***
+${POD_NAME}       flex-ocp-cord
+${KUBERNETES_CONF}    ${KUBERNETES_CONFIGS_DIR}/${POD_NAME}.conf
+${KUBERNETES_CONFIGS_DIR}    ~/pod-configs/kubernetes-configs
+#${KUBERNETES_CONFIGS_DIR}    ${KUBERNETES_CONFIGS_DIR}/${POD_NAME}.conf
+${KUBERNETES_YAML}    ${KUBERNETES_CONFIGS_DIR}/${POD_NAME}.yml
+${HELM_CHARTS_DIR}    ~/helm-charts
+${VOLTHA_POD_NUM}    8
+${NAMESPACE}      voltha
+# For below variable value, using deployment name as using grep for
+# parsing radius pod name, we can also use full radius pod name
+${RESTART_POD_NAME}    radius
+${timeout}        60s
+${of_id}          0
+${logical_id}     0
+${has_dataplane}    True
+${teardown_device}    True
+${scripts}        ../../scripts
+
+# Per-test logging on failure is turned off by default; set this variable to enable
+${container_log_dir}    ${None}
+
+# For dataplane bandwidth testing
+${lower_margin_pct}      90      # Allow 10% under the limit
+
+*** Test Cases ***
+Test that the BW is limited to GIR
+    [Documentation]    Verify support for Tcont type 1.
+    ...    Verify that traffic is limited to GIR configured for the service/onu.
+    ...    Pump 500Mbps in the upstream from RG and verify that the received traffic is only 200Mbps at the BNG.
+    ...    Note: Currently, only Flex Pod supports the deployment configuration required to test this scenario.
+    [Tags]    functionalTT    VOL-4093
+    [Setup]    Run Keywords    Start Logging    TcontType1Onu1
+    ...        AND             Setup
+    [Teardown]    Run Keywords    Collect Logs
+    ...           AND             Stop Logging    TcontType1Onu1
+    Run Keyword If    ${has_dataplane}    Clean Up Linux
+    Wait Until Keyword Succeeds    ${timeout}    2s    Perform Sanity Tests TT
+    # Find the ONU as required for this test
+    ${test_onu}=    Set Variable    ${multi_tcont_tests.tcont1[0]}
+    ${test_onu_sn}=    Set Variable    ${test_onu['onu']}
+    ${test_service_type}=    Set Variable    ${test_onu['service_type']}
+    ${test_us_bw_profile}=    Set Variable    ${test_onu['us_bw_profile']}
+    ${matched}    ${src}    ${dst}=    Get ONU details with Given Sn and Service    ${test_onu_sn}    ${test_service_type}
+    ...    ${test_us_bw_profile}
+    Pass Execution If    '${matched}' != 'True'
+    ...    Skipping test: No ONU found with sn '${test_onu_sn}', service '${test_service_type}' and us_bw '${test_us_bw_profile}'
+    # Check for iperf3 and jq tools
+    ${stdout}    ${stderr}    ${rc}=    Execute Remote Command    which iperf3 jq
+    ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
+    Pass Execution If    ${rc} != 0    Skipping test: iperf3 / jq not found on the RG
+    ${us_cir}    ${us_cbs}    ${us_pir}    ${us_pbs}    ${us_gir}=    Get Bandwidth Profile Details Ietf Rest
+    ...    ${test_us_bw_profile}
+    # Stream UDP packets from RG to server
+    ${updict}=    Run Iperf3 Test Client    ${src}    server=${dst['dp_iface_ip_qinq']}
+    ...    args=-u -b 500M -t 30 -p 5201
+    # With UDP test, bits per second is the sending rate.  Multiply by the loss rate to get the throughput.
+    ${actual_upstream_bw_used}=    Evaluate
+    ...    (100 - ${updict['end']['sum']['lost_percent']})*${updict['end']['sum']['bits_per_second']}/100000
+    ${pct_limit_up}=    Evaluate    100*${actual_upstream_bw_used}/${us_gir}
+    Should Be True    ${pct_limit_up} >= ${lower_margin_pct}
+    ...    The upstream bandwidth guarantee was not met (${pct_limit_up}% of resv)
+
+*** Keywords ***
+Get ONU details with Given Sn and Service
+    [Documentation]    This keyword finds the ONU details (as required for multi-tcont test)
+    ...    with given serial number and service type
+    ...    The keyword, additionally, also verifies the associated upstream bandwidth profile
+    [Arguments]    ${onu_sn}    ${service_type}    ${us_bw_profile}
+    ${matched}=    Set Variable    False
+    FOR    ${I}    IN RANGE    0    ${num_all_onus}
+        ${src}=    Set Variable    ${hosts.src[${I}]}
+        ${dst}=    Set Variable    ${hosts.dst[${I}]}
+        ${service}=    Get Variable Value    ${src['service_type']}    "null"
+        ${onu}=    Get Variable Value    ${src['onu']}    "null"
+        Continue For Loop If    '${onu}' != '${onu_sn}' or '${service}' != '${service_type}'
+        # Additional verification to check upstream bandwidth profile
+        ${of_id}=    Get ofID From OLT List    ${src['olt']}
+        ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}    ${of_id}
+        ${subscriber_id}=    Set Variable    ${of_id}/${onu_port}
+        ${us_bw}    Get Bandwidth Profile Name For Given Subscriber    ${subscriber_id}    upstreamBandwidthProfile
+        ${matched}=    Set Variable If
+        ...    '${onu}' == '${onu_sn}' and '${service}' == '${service_type}' and ${us_bw} == '${us_bw_profile}'
+        ...    True    False
+        Exit For Loop If    ${matched}
+    END
+    [Return]    ${matched}    ${src}    ${dst}
+
+Setup Suite
+    [Documentation]    Set up the test suite
+    Common Test Suite Setup
+    ${switch_type}=    Get Variable Value    ${web_power_switch.type}
+    Run Keyword If  "${switch_type}"!=""    Set Global Variable    ${powerswitch_type}    ${switch_type}
+
+
+Clear All Devices Then Create New Device
+    [Documentation]    Remove any devices from VOLTHA and ONOS
+    # Remove all devices from voltha and nos
+    Delete All Devices and Verify
+    # Execute normal test Setup Keyword
+    Setup
+
+
+Teardown Suite
+    [Documentation]    Tear down steps for the suite
+    Run Keyword If    ${has_dataplane}    Clean Up Linux
+    Run Keyword If    ${teardown_device}    Delete All Devices And Verify