# 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.

*** 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 Soft Reboot
    [Documentation]    Test soft reboot of the OLT using voltctl command
    [Tags]    VOL-2745   OLTSoftReboot    functional
    [Setup]    Start Logging    OLTSoftReboot
    [Teardown]    Run Keywords    Collect Logs
    ...           AND             Stop Logging    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
    # Reboot the OLT using "voltctl device reboot" command
    Reboot Device    ${olt_device_id}
    # Wait for the OLT to actually go down
    Wait Until Keyword Succeeds    360s    5s    Validate OLT Device    ENABLED    UNKNOWN    UNREACHABLE
    ...    ${olt_serial_number}
    #Verify that ping fails
    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_ssh_ip}
    # Waiting extra time for the ONUs to come up
    # Check OLT states
    Wait Until Keyword Succeeds    360s    5s    Validate OLT Device    ENABLED    ACTIVE    REACHABLE
    ...    ${olt_serial_number}
    #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

Verify restart ofagent container before subscriber is provisioned
    [Documentation]    Restart ofagent container before subscriber is provisioned.
    [Tags]    functional   VOL-2962   ofagentRestart
    [Setup]    Start Logging    ofagentRestart
    [Teardown]    Run Keywords    Collect Logs
    ...           AND             Stop Logging    ofagentRestart
    ...           AND             Scale K8s Deployment    ${NAMESPACE}    voltha-ofagent    1
    setup
    Run Keyword If    ${has_dataplane}    Clean Up Linux
    ${of_id}=    Wait Until Keyword Succeeds    ${timeout}    15s    Validate OLT Device in ONOS    ${olt_serial_number}
    Set Global Variable    ${of_id}
    FOR    ${I}    IN RANGE    0    ${num_onus}
        ${src}=    Set Variable    ${hosts.src[${I}]}
        ${dst}=    Set Variable    ${hosts.dst[${I}]}
        ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
        ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
        ...    ${of_id}
        # Bring up the device and verify it authenticates
        Wait Until Keyword Succeeds    ${timeout}    5s    Validate Device        ENABLED    ACTIVE    REACHABLE
        ...    ${onu_device_id}    onu=True    onu_reason=omci-flows-pushed
        Wait Until Keyword Succeeds    ${timeout}    2s    Verify Eapol Flows Added For ONU    ${ONOS_SSH_IP}
        ...    ${ONOS_SSH_PORT}    ${onu_port}
        ${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}
        Wait Until Keyword Succeeds    ${timeout}    2s    Verify ONU in AAA-Users    ${ONOS_SSH_IP}
        ...    ${ONOS_SSH_PORT}     ${onu_port}
    END
    # Restart POD ofagent
    ${waitforRestart}    Set Variable    120s
    ${podStatusOutput}=    Run    kubectl get pods -n ${NAMESPACE}
    Log    ${podStatusOutput}
    ${countBforRestart}=    Run    kubectl get pods -n ${NAMESPACE} | grep Running | wc -l
    ${podName}    Set Variable     ofagent
    Restart Pod    ${NAMESPACE}    ${podName}
    Sleep    60s
    Wait Until Keyword Succeeds    ${waitforRestart}    2s    Validate Pod Status    ofagent    ${NAMESPACE}
    ...    Running
    FOR    ${I}    IN RANGE    0    ${num_onus}
        # Add subscriber access and verify that DHCP completes to ensure system is still functioning properly
        #Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command    ${ONOS_SSH_IP}
        #...    ${ONOS_SSH_PORT}    volt-add-subscriber-access ${of_id} ${onu_port}
        ${src}=    Set Variable    ${hosts.src[${I}]}
        ${dst}=    Set Variable    ${hosts.dst[${I}]}
        ${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}
        # Add subscriber access and verify that DHCP completes to ensure system is still functioning properly
        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command    ${ONOS_SSH_IP}
        ...    ${ONOS_SSH_PORT}    volt-add-subscriber-access ${of_id} ${onu_port}
	# Verify DHCP-Allocations
        Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
        ...    Validate Subscriber DHCP Allocation    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
        # Verify Ping
        Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure    Check Ping    True
        ...    ${dst['dp_iface_ip_qinq']}    ${src['dp_iface_name']}    ${src['ip']}
        ...    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
    END

*** Keywords ***
Setup Suite
    [Documentation]    Set up the test suite
    Common Test Suite Setup