# 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}

# logging flag to enable Collect Logs, can be passed via the command line too
# example: -v logging:False
${logging}    True

*** 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
    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    by_dev_id=True
        Wait Until Keyword Succeeds    ${timeout}    2s    Verify Eapol Flows Added For ONU    ${ONOS_SSH_IP}
        ...    ${ONOS_SSH_PORT}    ${of_id}    ${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 use single connection    ${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 use single connection    ${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

Teardown Suite
    [Documentation]    Clean up ONOS SSH connections
    Close All ONOS SSH Connections