[VOL-2533] Use BBSim to test functionality with multiple OLTs

Change-Id: I4dd85375b353b45cdb546eb04fb49d5a26acf838
diff --git a/tests/functional/Voltha_multipleOLTTests.robot b/tests/functional/Voltha_multipleOLTTests.robot
new file mode 100755
index 0000000..7161d6d
--- /dev/null
+++ b/tests/functional/Voltha_multipleOLTTests.robot
@@ -0,0 +1,205 @@
+*** Settings ***
+Documentation     Test various end-to-end scenarios with multiple OLTs
+Suite Setup       Setup Suite
+Suite Teardown    Teardown Suite
+Test Setup
+Test Teardown     Teardown
+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
+${external_libs}    True
+${teardown_device}    True
+${scripts}        ../../scripts
+# Per-test logging on failure is turned off by default; set this variable to enable
+${container_log_dir}    ${None}
+
+*** Test Cases ***
+Sanity E2E Test for OLTs/ONUs on POD
+    [Documentation]    Validates E2E Ping Connectivity and object states for the given scenario:
+    ...    Validate successful authentication/DHCP/E2E ping for the tech profile that is used
+    [Tags]    sanityMultiOLT
+    [Setup]    Run Keywords    Start Logging    SanityMultiOLT
+    ...    AND    Setup Test
+    Run Keyword If    ${has_dataplane}    Clean Up Linux
+    FOR    ${I}    IN RANGE    0    ${num_olts}
+        ${olt_ip}=    Evaluate    ${olts}[${I}].get("ip")
+        ${olt_user}=    Evaluate    ${olts}[${I}].get("user")
+        ${olt_pass}=    Evaluate    ${olts}[${I}].get("pass")
+        ${olt_serial_number}=    Evaluate    ${olts}[${I}].get("serial")
+        ${src}=    Evaluate    ${hosts}[${I}].get("src")
+        ${dst}=    Evaluate    ${hosts}[${I}].get("dst")
+        Set Suite Variable    ${olt_serial_number}
+        Set Suite Variable    ${olt_ip}
+        Set Suite Variable    ${olt_user}
+        Set Suite Variable    ${olt_pass}
+        Wait Until Keyword Succeeds    ${timeout}    2s    Do Sanity Test    ${src}    ${dst}
+    END
+    [Teardown]    Run Keywords    Collect Logs
+    ...    AND    Stop Logging    SanityTest
+
+*** Keywords ***
+Setup Suite
+    [Documentation]    Setup the test suite
+    Set Global Variable    ${KUBECTL_CONFIG}    export KUBECONFIG=%{KUBECONFIG}
+    Set Global Variable    ${VOLTCTL_CONFIG}    export VOLTCONFIG=%{VOLTCONFIG}
+    ${k8s_node_ip}=    Evaluate    ${nodes}[0].get("ip")
+    ${ONOS_REST_IP}=    Get Environment Variable    ONOS_REST_IP    ${k8s_node_ip}
+    ${ONOS_SSH_IP}=     Get Environment Variable    ONOS_SSH_IP     ${k8s_node_ip}
+    Set Global Variable    ${ONOS_REST_IP}
+    Set Global Variable    ${ONOS_SSH_IP}
+    ${k8s_node_user}=    Evaluate    ${nodes}[0].get("user")
+    ${k8s_node_pass}=    Evaluate    ${nodes}[0].get("pass")
+    Check CLI Tools Configured
+    ${onos_auth}=    Create List    karaf    karaf
+    ${HEADERS}    Create Dictionary    Content-Type=application/json
+    Create Session    ONOS    http://${ONOS_REST_IP}:${ONOS_REST_PORT}    auth=${ONOS_AUTH}
+    ${num_olts}    Get Length    ${olts}
+    ${num_olts}    Convert to String    ${num_olts}
+    ${list_olts}    Create List
+    FOR    ${I}    IN RANGE    0    ${num_olts}
+        ${ip}    Evaluate    ${olts}[${I}].get("ip")
+        ${user}    Evaluate    ${olts}[${I}].get("user")
+        ${pass}    Evaluate    ${olts}[${I}].get("pass")
+        ${serial_number}    Evaluate    ${olts}[${I}].get("serial")
+        ${olt}    Create Dictionary    ip    ${ip}    user    ${user}    pass
+        ...    ${pass}    sn    ${serial_number}
+        Append To List    ${list_olts}    ${olt}
+    END
+    ${olt_ip}=    Evaluate    ${olts}[0].get("ip")
+    ${olt_user}=    Evaluate    ${olts}[0].get("user")
+    ${olt_pass}=    Evaluate    ${olts}[0].get("pass")
+    ${olt_serial_number}=    Evaluate    ${olts}[0].get("serial")
+    ${num_onus}=    Evaluate    ${hosts}[0].get("src")
+    ${num_onus}=    Get Length    ${num_onus}
+    ${num_onus}=    Convert to String    ${num_onus}
+    #send sadis file to onos
+    ${sadis_file}=    Get Variable Value    ${sadis.file}
+    Log To Console    \nSadis File:${sadis_file}
+    Run Keyword Unless    '${sadis_file}' is '${None}'    Send File To Onos    ${sadis_file}    apps/
+    Set Suite Variable    ${num_onus}
+    Set Suite Variable    ${num_olts}
+    Set Suite Variable    ${list_olts}
+    Set Suite Variable    ${olt_serial_number}
+    Set Suite Variable    ${olt_ip}
+    Set Suite Variable    ${olt_user}
+    Set Suite Variable    ${olt_pass}
+    Set Suite Variable    ${k8s_node_ip}
+    Set Suite Variable    ${k8s_node_user}
+    Set Suite Variable    ${k8s_node_pass}
+    @{container_list}=    Create List    adapter-open-olt    adapter-open-onu    voltha-api-server
+    ...    voltha-ro-core    voltha-rw-core-11    voltha-rw-core-12    voltha-ofagent
+    Set Suite Variable    ${container_list}
+    ${datetime}=    Get Current Date
+    Set Suite Variable    ${datetime}
+
+Setup Test
+    [Documentation]    Pre-test Setup
+    #test for empty device list
+    Test Empty Device List
+    Sleep    60s
+    #create/preprovision device
+    #read all bbsims
+    ${rc}    ${num_bbsims}    Run And Return Rc And Output    kubectl get pod -n voltha | grep bbsim | wc -l
+    Should Be Equal As Integers    ${rc}    0
+    Should Not Be Empty    ${num_bbsims}
+    Should Not Be Equal As Integers    ${num_bbsims}    0
+    Run Keyword Unless    ${has_dataplane}    Set Suite Variable    ${num_olts}    ${num_bbsims}
+    FOR    ${I}    IN RANGE    0    ${num_olts}
+        ${olt_device_id}=    Create Device    ${list_olts}[${I}][ip]    ${OLT_PORT}
+        Set Suite Variable    ${olt_device_id}
+        #validate olt states
+        Wait Until Keyword Succeeds    ${timeout}    5s    Validate OLT Device    PREPROVISIONED    UNKNOWN    UNKNOWN
+        ...    ${olt_device_id}
+        Sleep    5s
+        Enable Device    ${olt_device_id}
+        Wait Until Keyword Succeeds    ${timeout}    5s    Validate OLT Device    ENABLED    ACTIVE    REACHABLE
+        ...    ${olt_serial_number}
+        ${logical_id}=    Get Logical Device ID From SN    ${olt_serial_number}
+        Set Suite Variable    ${logical_id}
+    END
+
+Do Sanity Test
+    [Arguments]    ${host_src}    ${host_dst}
+    [Documentation]    This keyword performs Sanity Test Procedure
+    ...    Sanity test performs authentication, dhcp and pings for all the ONUs given for the POD
+    ...    This keyword can be used to call in any other tests where sanity check is required
+    ...    and avoids duplication of code.
+    ${of_id}=    Wait Until Keyword Succeeds    ${timeout}    15s    Validate OLT Device in ONOS    ${olt_serial_number}
+    Set Global Variable    ${of_id}
+    ${nni_port}=    Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
+    ...    Get NNI Port in ONOS    ${of_id}
+    Set Global Variable    ${nni_port}
+    ${num_onus}=    Get Length    ${host_src}
+    ${num_onus}=    Convert to String    ${num_onus}
+    FOR    ${I}    IN RANGE    0    ${num_onus}
+        ${src}=    Set Variable    ${host_src[${I}]}
+        ${dst}=    Set Variable    ${host_dst[${I}]}
+        Run Keyword and Ignore Error    Collect Logs
+        ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
+        ${onu_port}=    Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
+        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}
+        # 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 EAPOL flows are added for the ONU port
+        Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
+        ...    Verify Eapol Flows Added For ONU    ${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
+        # Perform Authentication
+        ${wpa_log}=    Run Keyword If    ${has_dataplane}    Catenate    SEPARATOR=.
+        ...    /tmp/wpa    ${src['dp_iface_name']}    log
+        Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure    Validate Authentication    True
+        ...    ${src['dp_iface_name']}    wpa_supplicant.conf    ${src['ip']}    ${src['user']}    ${src['pass']}
+        ...    ${src['container_type']}    ${src['container_name']}    ${wpa_log}
+        Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2
+        ...    Verify ONU in AAA-Users    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
+        Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2
+        ...    Execute ONOS CLI Command    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
+        ...    volt-add-subscriber-access ${of_id} ${onu_port}
+        # Verify that no pending flows exist for the ONU port
+        Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
+        ...    Verify No Pending Flows For ONU    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
+        # 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    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}
+        # ...    ${onu_port}    ${nni_port}    ${src['c_tag']}    ${src['s_tag']}
+        Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure    Validate DHCP and Ping    True
+        ...    True    ${src['dp_iface_name']}    ${src['s_tag']}    ${src['c_tag']}    ${dst['dp_iface_ip_qinq']}
+        ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
+        ...    ${dst['dp_iface_name']}    ${dst['ip']}    ${dst['user']}    ${dst['pass']}    ${dst['container_type']}
+        ...    ${dst['container_name']}
+        Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
+        ...    Validate Subscriber DHCP Allocation    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
+        Run Keyword and Ignore Error    Get Device Output from Voltha    ${onu_device_id}
+        Run Keyword and Ignore Error    Collect Logs
+    END
+