[VOL-3679] OLT reboot testcases for multiple OLTs - specific verifications

Change-Id: Ic0594aca27ec3ff297bc1ef510849d4939b22cd9
diff --git a/tests/functional/Voltha_MultiOLT_Tests.robot b/tests/functional/Voltha_MultiOLT_Tests.robot
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+# Copyright 2020 - 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.
+
+*** Settings ***
+Documentation     Test various failure 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
+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
+${NAMESPACE}      voltha
+${DEFAULTSPACE}      default
+# 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 OLT after rebooting physically - MultipleOLT
+    [Documentation]    Test the physical reboot of the OLT
+    ...    Prerequisite : Subscriber are authenticated/DHCP/pingable state
+    ...    Test performs a physical reboot on one of the OLTs, performs "reboot" from the OLT CLI
+    ...    Validates that ONU on other OLTs are still functional
+    [Tags]    functional   MultiOlt-PhysicalOLTReboot
+    [Setup]    Start Logging    MultipleOlt-PhysicalOLTReboot
+    [Teardown]    Run Keywords    Collect Logs
+    ...           AND             Stop Logging    MultipleOlt-PhysicalOLTReboot
+    ...           AND             Delete All Devices and Verify
+    # Add OLT device
+    setup
+    # Performing Sanity Test to make sure subscribers are all AUTH+DHCP and pingable
+    Run Keyword If    ${has_dataplane}    Clean Up Linux
+    Wait Until Keyword Succeeds    ${timeout}    2s    Perform Sanity Test
+    # Execute the test when the number of OLTs are greater than one
+    Pass Execution If    ${olt_count} == 1    Skipping test: just one OLT
+    # Reboot the first OLT from the list of olts - rebooting from the OLT CLI
+    ${olt_user}=    Get From Dictionary    ${list_olts}[0]    user
+    ${olt_pass}=    Get From Dictionary    ${list_olts}[0]    pass
+    ${olt_ssh_ip}=    Get From Dictionary    ${list_olts}[0]   sship
+    ${olt_serial_number}=    Get From Dictionary    ${list_olts}[0]    sn
+    ${olt_device_id}=    Get OLTDeviceID From OLT List    ${olt_serial_number}
+    Run Keyword If    ${has_dataplane}    Login And Run Command On Remote System
+    ...    sudo reboot    ${olt_ssh_ip}    ${olt_user}    ${olt_pass}   prompt=#
+    # validate that the ONUs on the other OLTs are still functional
+    Verify ping is successful for ONUs not on this OLT     ${num_all_onus}    ${olt_device_id}
+    Run Keyword And Ignore Error    Collect Logs
+    # Validate that the ONUs on the rebooted OLT are not pingable
+    FOR    ${I}    IN RANGE    0    ${num_all_onus}
+        ${src}=    Set Variable    ${hosts.src[${I}]}
+        ${dst}=    Set Variable    ${hosts.dst[${I}]}
+        ${olt_serial_number}=    Get From Dictionary    ${list_olts}[0]    sn
+        Continue For Loop If    "${olt_serial_number}"!="${src['olt']}"
+        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 rebooted OLT to come back up
+    ${olt_serial_number}=    Get From Dictionary    ${olt_ids}[0]    sn
+    ${olt_user}=    Get From Dictionary    ${list_olts}[0]    user
+    ${olt_pass}=    Get From Dictionary    ${list_olts}[0]    pass
+    ${olt_ssh_ip}=    Get From Dictionary    ${list_olts}[0]   sship
+    ${olt_device_id}=    Get OLTDeviceID From OLT List    ${olt_serial_number}
+    Run Keyword If    ${has_dataplane}    Wait Until Keyword Succeeds    120s    10s
+    ...    Check Remote System Reachability    True    ${olt_ssh_ip}
+    Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    360s    5s
+    ...    Validate OLT Device    ENABLED    ACTIVE
+    ...    REACHABLE    ${olt_serial_number}
+    # 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
+    # Deleting OLT after test completes
+    #Run Keyword If    ${has_dataplane}    Delete All Devices and Verify
+    END
+
+Verify OLT Soft Reboot - MultipleOLT
+    [Documentation]    Test soft reboot of the OLT using voltctl command
+    ...     Verifies that when one OLT is rebooted other ONUs on other OLTs are
+    ...     still functional
+    [Tags]    MultiOlt-OLTSoftReboot    functional
+    [Setup]    Start Logging    MultiOlt-OLTSoftReboot
+    [Teardown]    Run Keywords    Collect Logs
+    ...           AND             Stop Logging    MultiOlt-OLTSoftReboot
+    #Delete All Devices and Verify
+    #Setup
+    ## Performing Sanity Test to make sure subscribers are all AUTH+DHCP and pingable
+    #Run Keyword If    ${has_dataplane}    Clean Up Linux
+    #Wait Until Keyword Succeeds    ${timeout}    2s    Perform Sanity Test
+    # Execute the test when the number of OLTs are greater than one
+    Pass Execution If    ${olt_count} == 1    Skipping test: just one OLT
+    # Reboot the first OLT
+    ${olt_user}=    Get From Dictionary    ${list_olts}[0]    user
+    ${olt_pass}=    Get From Dictionary    ${list_olts}[0]    pass
+    ${olt_ssh_ip}=    Get From Dictionary    ${list_olts}[0]   sship
+    ${olt_serial_number}=    Get From Dictionary    ${list_olts}[0]    sn
+    ${olt_device_id}=    Get OLTDeviceID From OLT List    ${olt_serial_number}
+    Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    360s    5s
+    ...    Validate OLT Device    ENABLED    ACTIVE
+    ...    REACHABLE    ${olt_serial_number}
+    # Reboot the OLT using "voltctl device reboot" command
+    Reboot Device    ${olt_device_id}
+    Run Keyword And Ignore Error    Collect Logs
+    # validate that the ONUs on the other OLTs are still functional
+    Verify ping is successful for ONUs not on this OLT     ${num_all_onus}    ${olt_device_id}
+    #Verify that ping fails for the ONUs where the OLT has been rebooted
+    FOR    ${I}    IN RANGE    0    ${num_all_onus}
+        ${src}=    Set Variable    ${hosts.src[${I}]}
+        ${dst}=    Set Variable    ${hosts.dst[${I}]}
+        ${olt_serial_number}=    Get From Dictionary    ${list_olts}[0]    sn
+        Continue For Loop If    "${olt_serial_number}"!="${src['olt']}"
+        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
+    # Check OLT state of the rebooted OLT
+    ${olt_serial_number}=    Get From Dictionary    ${list_olts}[0]    sn
+    ${olt_ssh_ip}=    Get From Dictionary    ${list_olts}[0]    sship
+    ${olt_device_id}=    Get OLTDeviceID From OLT List    ${olt_serial_number}
+    # 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_ssh_ip}
+    # Check OLT states
+    Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    360s    5s
+    ...    Validate OLT Device    ENABLED    ACTIVE
+    ...    REACHABLE    ${olt_serial_number}
+    # Waiting extra time for the ONUs to come up
+    Sleep    60s
+    Run Keyword And Ignore Error    Collect Logs
+    #Check after reboot that ONUs are active, authenticated/DHCP/pingable
+    Run Keyword If    ${has_dataplane}    Clean Up Linux
+    Wait Until Keyword Succeeds    ${timeout}    2s    Perform Sanity Test
+
+
+*** Keywords ***
+Setup Suite
+    [Documentation]    Set up the test suite
+    Common Test Suite Setup
+    #power_switch.robot needs it to support different vendor's power switch
+    ${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