#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 end-to-end scenarios 
Suite Setup       Setup Suite
Test Setup        Setup
Test Teardown     Teardown
Library           Collections
Library           String
Library           OperatingSystem
Library           XML
Library           RequestsLibrary
Library           ../../voltha/tests/atests/common/testCaseUtils.py
Resource          ../../cord-tester/src/test/cord-api/Framework/Subscriber.robot
Resource          ../../cord-tester/src/test/cord-api/Framework/OLT.robot
Resource          ../../cord-tester/src/test/cord-api/Framework/DHCP.robot
Resource          ../../cord-tester/src/test/cord-api/Framework/Kubernetes.robot
Resource          ../libraries/onos.robot
Resource          ../libraries/voltctl.robot
Resource          ../libraries/utils.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
${timeout}          90s
${num_onus}         1
${of_id}            0
${logical_id}            0

*** Test Cases ***
Sanity E2E Test for OLT/ONU 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
    #[Setup]    Clean Up Linux
    [Tags]    test1
    ${of_id}=    Wait Until Keyword Succeeds    60s    15s    Validate OLT Device in ONOS   ${olt_serial_number}
    Wait Until Keyword Succeeds    60s    2s    Verify Eapol Flows Added   ${k8s_node_ip}    ${ONOS_SSH_PORT}    5
    Validate Authentication    True    ${src0['dp_iface_name']}    wpa_supplicant.conf    ${src0['ip']}    ${src0['user']}    ${src0['pass']}    ${src0['container_type']}    ${src0['container_name']}
    #Validate ONU authenticated in ONOS
    Wait Until Keyword Succeeds    90s    2s    Verify Number of AAA-Users    ${k8s_node_ip}    ${ONOS_SSH_PORT}    ${num_onus}
    Wait Until Keyword Succeeds    60s    2s    Execute ONOS Command    ${k8s_node_ip}    ${ONOS_SSH_PORT}    volt-add-subscriber-access ${of_id} 16
    # Perform dhclient and ping operations
    Validate DHCP and Ping    True    True    ${src0['dp_iface_name']}    ${src0['s_tag']}    ${src0['c_tag']}    ${dst0['dp_iface_ip_qinq']}    ${src0['ip']}    ${src0['user']}    ${src0['pass']}    ${src0['container_type']}    ${src0['container_name']}    ${dst0['dp_iface_name']}    ${dst0['ip']}    ${dst0['user']}    ${dst0['pass']}    ${dst0['container_type']}    ${dst0['container_name']}
    #Validate DHCP allocation in ONOS
    Wait Until Keyword Succeeds    60s    2s    Validate DHCP Allocations    ${k8s_node_ip}    ${ONOS_SSH_PORT}     ${num_onus}


*** Keywords ***
Setup Suite
    Set Global Variable    ${KUBECTL_CONFIG}    export KUBECONFIG=%{KUBECONFIG}
    Set Global Variable    ${export_kubeconfig}    export KUBECONFIG=${KUBERNETES_CONF}
    Set Global Variable    ${of_id}
    Set Global Variable    ${VOLTCTL_CONFIG}    export VOLTCONFIG=%{VOLTCONFIG}
    ${k8s_node_ip}=    Evaluate    ${nodes}[0].get("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
    ${HEADERS}    Create Dictionary    Content-Type=application/json
    Create Session    ONOS    http://${k8snode_ip}:${ONOS_REST_PORT}    auth=${ONOS_AUTH}
    Set Global Variable    ${export_kubeconfig}    export KUBECONFIG=${KUBERNETES_CONF}
    ${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")
    ${onu_serial_number}=    Evaluate    ${onus}[0].get("serial")
    Set Suite Variable    ${olt_serial_number}
    Set Suite Variable    ${onu_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
    Append To List    ${container_list}    adapter-open-olt
    Append To List    ${container_list}    adapter-open-onu
    Append To List    ${container_list}    voltha-api-server
    Append To List    ${container_list}    voltha-ro-core
    Append To List    ${container_list}    voltha-rw-core-11
    Append To List    ${container_list}    voltha-rw-core-12
    Append To List    ${container_list}    voltha-ofagent
    Set Suite Variable    ${container_list}
    Set Deployment Config Variables
    ${datetime}=    Get Current Datetime On Kubernetes Node    ${k8s_node_ip}    ${k8s_node_user}    ${k8s_node_pass}
    Set Suite Variable    ${datetime}

Setup
    #create/preprovision device
    ${olt_device_id}=    Create Device    ${olt_ip}    ${OLT_PORT}
    Set Suite Variable    ${olt_device_id}
    #enable device
    Enable Device    ${olt_device_id}
    #validate olt states
    Wait Until Keyword Succeeds    60s    5s    Validate Device    ${olt_serial_number}    ENABLED    ACTIVE    REACHABLE
    #validate onu states
    Wait Until Keyword Succeeds    60s    5s    Validate Device    ${onu_serial_number}    ENABLED    ACTIVE    REACHABLE    onu=True    onu_reason=tech-profile-config-download-success
    #get onu device id
    ${onu_device_id}=    Get Device ID From SN    ${onu_serial_number}
    Set Suite Variable    ${onu_device_id}
    ${logical_id}=    Get Logical Device ID From SN    ${olt_serial_number}
    Set Suite Variable    ${logical_id}

Teardown
    [Documentation]    kills processes and cleans up interfaces on src+dst servers
    Get Device Output from Voltha    ${of_id}
    Get Logical Device Output from Voltha    ${logical_id}
    Get ONOS Status    ${k8s_node_ip}
    Clean Up Linux
    Log Kubernetes Containers Logs Since Time    ${datetime}    ${container_list}

Clean Up Linux
    [Documentation]    Kill processes and clean up interfaces on src+dst servers
    Run Keyword And Ignore Error    Kill Linux Process    [w]pa_supplicant    ${src0['ip']}    ${src0['user']}    ${src0['pass']}    ${src0['container_type']}    ${src0['container_name']}
    Run Keyword And Ignore Error    Kill Linux Process    [d]hclient    ${src0['ip']}    ${src0['user']}    ${src0['pass']}    ${src0['container_type']}    ${src0['container_name']}
    Run Keyword If    '${dst0['ip']}' != '${None}'    Run Keyword And Ignore Error    Kill Linux Process    [d]hcpd    ${dst0['ip']}    ${dst0['user']}    ${dst0['pass']}    ${dst0['container_type']}    ${dst0['container_name']}
    Delete IP Addresses from Interface on Remote Host    ${src0['dp_iface_name']}    ${src0['ip']}    ${src0['user']}    ${src0['pass']}    ${src0['container_type']}    ${src0['container_name']}
    Run Keyword If    '${dst0['ip']}' != '${None}'    Delete Interface on Remote Host    ${dst0['dp_iface_name']}.${src0['s_tag']}    ${dst0['ip']}    ${dst0['user']}    ${dst0['pass']}    ${dst0['container_type']}    ${dst0['container_name']}