[VOL-2817] [VOL-2819]: DT Workflow: ONU/OLT Hard Reboot TC

Change-Id: Ia1f12380d41db5713e8f5b00804ed4a079b6008a
diff --git a/tests/dt-workflow/Voltha_DT_FailureScenarios.robot b/tests/dt-workflow/Voltha_DT_FailureScenarios.robot
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+# Copyright 2017 - 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 end-to-end scenarios
+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
+
+*** 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
+${teardown_device}    False
+${scripts}        ../../scripts
+
+# Per-test logging on failure is turned off by default; set this variable to enable
+${container_log_dir}    ${None}
+
+*** Test Cases ***
+Verify ONU after Rebooting Physically for DT
+    [Documentation]    Test the ONU functionality by physically turning on/off ONU.
+    ...    Assuming that all the ONUs are DHCP/pingable (i.e. assuming sanityDt test was executed)
+    ...    Test case runs only on the PODs that are configured with PowerSwitch that
+    ...    controls the power off/on ONUs/OLT remotely (simulating a physical reboot)
+    [Tags]    functionalDt    PowerSwitchOnuRebootDt    VOL-2819    PowerSwitch
+    [Setup]    Run Keywords    Start Logging    RebootOnu_PowerSwitch_Dt
+    [Teardown]    Run Keywords    Collect Logs
+    ...           AND             Stop Logging    RebootOnu_PowerSwitch_Dt
+    ...           AND             Delete Device and Verify
+    # Add OLT device
+    Setup
+    # Performing Sanity Test to make sure subscribers are all DHCP and pingable
+    Run Keyword If    ${has_dataplane}    Clean Up Linux
+    Wait Until Keyword Succeeds    ${timeout}    2s    Perform Sanity Test DT
+    Power Switch Connection Suite    ${web_power_switch.ip}    ${web_power_switch.user}    ${web_power_switch.password}
+    FOR    ${I}    IN RANGE    0    ${num_onus}
+        ${src}=    Set Variable    ${hosts.src[${I}]}
+        ${dst}=    Set Variable    ${hosts.dst[${I}]}
+        ${onu_port}=    Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
+        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}
+        Disable Switch Outlet    ${src['power_switch_port']}
+        Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure
+        ...    Wait Until Keyword Succeeds    60s    2s
+        ...    Check Ping    False    ${dst['dp_iface_ip_qinq']}    ${src['dp_iface_name']}
+        ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
+
+        Enable Switch Outlet    ${src['power_switch_port']}
+        # Check ONU port is Enabled in ONOS
+        Run Keyword And Continue On Failure    Wait Until Keyword Succeeds   120s   2s
+        ...    Verify ONU Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
+        # Verify ONU state in voltha
+        Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    5s    Validate Device
+        ...    ENABLED    ACTIVE    REACHABLE
+        ...    ${src['onu']}    onu=True    onu_reason=omci-flows-pushed
+        # Verify subscriber access flows are added for the ONU port
+        Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    5s
+        ...    Verify Subscriber Access Flows Added For ONU DT    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}
+        ...    ${onu_port}    ${nni_port}    ${src['s_tag']}
+        Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure
+        ...    Wait Until Keyword Succeeds    60s    2s
+        ...    Check Ping    True    ${dst['dp_iface_ip_qinq']}    ${src['dp_iface_name']}
+        ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
+        Run Keyword And Ignore Error    Collect Logs
+    END
+    # Verify ONOS Flows
+    # Number of Access Flows on ONOS equals 4 * the Number of Active ONUs (2 for each downstream and upstream)
+    ${onos_flows_count}=    Evaluate    4 * ${num_onus}
+    Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    5s
+    ...    Verify Subscriber Access Flows Added Count DT    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
+    ...    ${of_id}    ${onos_flows_count}
+    # Verify VOLTHA Flows
+    # Number of per OLT Flows equals Twice the Number of Active ONUs (each for downstream and upstream) + 1 for LLDP
+    ${olt_flows}=    Evaluate    2 * ${num_onus} + 1
+    # Number of per ONU Flows equals 2 (one each for downstream and upstream)
+    ${onu_flows}=    Set Variable    2
+    Run Keyword    Wait Until Keyword Succeeds    ${timeout}    5s    Validate OLT Flows    ${olt_flows}
+    ${List_ONU_Serial}    Create List
+    Set Suite Variable    ${List_ONU_Serial}
+    Build ONU SN List    ${List_ONU_Serial}
+    Log    ${List_ONU_Serial}
+    Run Keyword    Wait Until Keyword Succeeds    ${timeout}    5s    Validate ONU Flows
+    ...    ${List_ONU_Serial}    ${onu_flows}
+
+Verify OLT after Rebooting Physically for DT
+    [Documentation]    Test the physical reboot of the OLT
+    ...    Assuming that all the ONUs are DHCP/pingable (i.e. assuming sanityDt test was executed)
+    ...    Test performs a physical reboot, performs "reboot" from the OLT CLI
+    [Tags]    functionalDt   PhysicalOltRebootDt   VOL-2817
+    [Setup]    Run Keywords    Start Logging    RebootOlt_Physical_Dt
+    [Teardown]    Run Keywords    Collect Logs
+    ...           AND             Stop Logging    RebootOlt_Physical_Dt
+    ...           AND             Delete Device and Verify
+    # Add OLT device
+    Setup
+    # Performing Sanity Test to make sure subscribers are all DHCP and pingable
+    Run Keyword If    ${has_dataplane}    Clean Up Linux
+    Wait Until Keyword Succeeds    ${timeout}    2s    Perform Sanity Test DT
+    # Reboot the OLT from the OLT CLI
+    Run Keyword If    ${has_dataplane}    Login And Run Command On Remote System
+    ...    sudo reboot    ${olt_ip}    ${olt_user}    ${olt_pass}   prompt=#
+    Run Keyword And Ignore Error    Collect Logs
+    FOR    ${I}    IN RANGE    0    ${num_onus}
+        ${src}=    Set Variable    ${hosts.src[${I}]}
+        ${dst}=    Set Variable    ${hosts.dst[${I}]}
+        Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure
+        ...    Wait Until Keyword Succeeds    60s    2s
+        ...    Check Ping    False    ${dst['dp_iface_ip_qinq']}    ${src['dp_iface_name']}
+        ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
+    END
+    # Wait for the OLT to come back up
+    Run Keyword If    ${has_dataplane}    Wait Until Keyword Succeeds    120s    10s
+    ...    Check Remote System Reachability    True    ${olt_ip}
+    # Waiting extra time for the ONUs to come up
+    Sleep    60s
+    Run Keyword And Ignore Error    Collect Logs
+    Run Keyword If    ${has_dataplane}    Clean Up Linux
+    Wait Until Keyword Succeeds    ${timeout}    2s    Perform Sanity Test DT
+
+*** Keywords ***
+Setup Suite
+    [Documentation]    Set up the test suite
+    Common Test Suite Setup
+
+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
+