*** Settings ***
Documentation     This test suite is to by-pass interface manager and create/delete the tunnels between the switches directly inorder for ITM to scale and build mesh among more number of switches.
Suite Setup       ITM Direct Tunnels Start Suite
Suite Teardown    ITM Direct Tunnels Stop Suite
Test Setup        Genius Test Setup
Test Teardown     Genius Test Teardown    ${data_models}
Library           Collections
Library           OperatingSystem
Library           RequestsLibrary
Library           String
Resource          ../../libraries/ClusterManagement.robot
Resource          ../../libraries/DataModels.robot
Resource          ../../libraries/Genius.robot
Resource          ../../libraries/KarafKeywords.robot
Resource          ../../variables/netvirt/Variables.robot
Resource          ../../libraries/OVSDB.robot
Resource          ../../libraries/ToolsSystem.robot
Resource          ../../libraries/Utils.robot
Resource          ../../libraries/VpnOperations.robot
Resource          ../../variables/Variables.robot
Variables         ../../variables/genius/Modules.py

*** Variables ***

*** Test Cases ***
Create and Verify VTEP
    [Documentation]    This testcase creates a Internal Transport Manager - ITM tunnel between 2 DPNs
    Genius.Create Vteps    ${NO_VLAN}    ${gateway_ip}
    BuiltIn.Wait Until Keyword Succeeds    40    10    Genius.Get ITM    ${itm_created[0]}
    ${type} =    BuiltIn.Set Variable    odl-interface:tunnel-type-vxlan
    Genius.Update Dpn id list and get tunnels    ${type}    dpn-teps-state
    Genius.Verify Response Code Of Dpn Endpointconfig API
    BuiltIn.Wait Until Keyword Succeeds    40    10    Genius.Ovs Interface Verification
    ${resp} =    RequestsLibrary.Get Request    session    ${OPERATIONAL_API}/itm-state:tunnels_state/
    BuiltIn.Should Be Equal As Strings    ${resp.status_code}    200
    BuiltIn.Wait Until Keyword Succeeds    60    5    Genius.Verify Tunnel Status As Up
    BuiltIn.Wait Until Keyword Succeeds    40    10    Genius.Verify Table0 Entry After fetching Port Number

Verify VTEP After Restarting OVS
    [Documentation]    Verify Testcase, Verifying tunnel state by restarting OVS
    BuiltIn.Wait Until Keyword Succeeds    20    2    Genius.Verify Tunnel Status As Up
    OVSDB.Restart OVSDB    ${TOOLS_SYSTEM_IP}

Verify VTEP After Restarting Controller
    [Documentation]    Verify Testcase, Verifying tunnel state by restarting CONTROLLER
    BuiltIn.Wait Until Keyword Succeeds    30    3    Genius.Verify Tunnel Status As Up
    ClusterManagement.Stop_Members_From_List_Or_All
    ClusterManagement.Start_Members_From_List_Or_All
    BuiltIn.Wait Until Keyword Succeeds    60    3    ClusterManagement.Check Status Of Services Is OPERATIONAL    @{GENIUS_DIAG_SERVICES}
    BuiltIn.Wait Until Keyword Succeeds    30    3    Genius.Verify Tunnel Status As Up

Verify Tunnels By Enabling/Disabling BFD
    [Documentation]    Verify tunnel creation by enabling and disabling BFD one after another with respect to the branch in such a way default value is retained at last.
    CompareStream.Run_Keyword_If_At_Least_Neon    Verify Tunnels By Enabling BFD
    CompareStream.Run_Keyword_If_At_Least_Neon    Verify Tunnels By Disabling BFD
    CompareStream.Run_Keyword_If_Less_Than_Neon    Verify Tunnels By Disabling BFD
    CompareStream.Run_Keyword_If_Less_Than_Neon    Verify Tunnels By Enabling BFD

Delete and Verify VTEP
    [Documentation]    This Delete testcase , deletes the ITM tunnel created between 2 dpns.
    ${tunnel_list} =    Genius.Get Tunnels List
    FOR    ${dpn_id}    IN    @{DPN_ID_LIST}
        CompareStream.Run_Keyword_If_Less_Than_Sodium    Utils.Remove All Elements At URI And Verify    ${CONFIG_API}/itm:transport-zones/transport-zone/${itm_created[0]}/subnets/${SUBNET}%2F16/vteps/${dpn_id}/${port_name}
        CompareStream.Run_Keyword_If_At_Least_Sodium    Utils.Remove All Elements At URI And Verify    ${CONFIG_API}/itm:transport-zones/transport-zone/${itm_created[0]}/vteps/${dpn_id}
    END
    ${output} =    KarafKeywords.Issue Command On Karaf Console    ${TEP_SHOW}
    BuiltIn.Should Not Contain    ${output}    ${itm_created[0]}
    Utils.Remove All Elements At URI And Verify    ${CONFIG_API}/itm:transport-zones/transport-zone/${itm_created[0]}/
    ${resp} =    Utils.Get Data From URI    session    ${CONFIG_API}/itm:transport-zones/
    BuiltIn.Should Not Contain    ${resp}    ${itm_created[0]}
    BuiltIn.Wait Until Keyword Succeeds    40    10    Genius.Verify Deleted Tunnels On OVS    ${tunnel_list}    ${resp}
    BuiltIn.Wait Until Keyword Succeeds    40    10    Genius.Check Tunnel Delete On OVS    ${tunnel_list}

*** Keywords ***
Enable_Tunnel_Monitoring
    [Documentation]    In this we will enable tunnel monitoring by tep:enable command running in karaf console
    KarafKeywords.Issue_Command_On_Karaf_Console    tep:enable-tunnel-monitor true

Verify Tunnel State After OVS Restart
    [Arguments]    ${TOOLS_SYSTEM_IP}
    [Documentation]    In this we will Verify Tunnel State by Stopping/Starting Switch
    OVSDB.Stop OVS    ${TOOLS_SYSTEM_IP}
    BuiltIn.Wait Until Keyword Succeeds    2min    20 sec    Verify Tunnel Down
    OVSDB.Start OVS    ${TOOLS_SYSTEM_IP}
    BuiltIn.Wait Until Keyword Succeeds    2min    20 sec    Genius.Verify Tunnel Status As Up

Verify Tunnel Down
    [Documentation]    In this we will check whether tunnel is in down or not
    ${output}=    KarafKeywords.Issue_Command_On_Karaf_Console    ${TEP_SHOW_STATE}
    BuiltIn.Should Contain    ${output}    DOWN

Disable_Tunnel_Monitoring
    [Documentation]    In this we will disable tunnel monitoring by tep:enable command running in karaf console
    KarafKeywords.Issue_Command_On_Karaf_Console    tep:enable-tunnel-monitor false

Verify Tunnels By Enabling BFD
    [Documentation]    Verify tunnel creation by enabling BFD monitoring.
    ${result} =    BuiltIn.Run Keyword And Return Status    Genius.Verify Tunnel Monitoring Status    ${TUNNEL_MONITOR_ON}
    BuiltIn.Run Keyword If    '${result}' == 'False'    Enable_Tunnel_monitoring
    FOR    ${tools_ip}    IN    @{TOOLS_SYSTEM_ALL_IPS}
        Verify Tunnel State After OVS Restart    ${tools_ip}
    END

Verify Tunnels By Disabling BFD
    [Documentation]    Verify tunnel creation by disabling BFD monitoring.
    ${result} =    Run Keyword And Return Status    Genius.Verify Tunnel Monitoring Status    ${TUNNEL_MONITOR_ON}
    BuiltIn.Run Keyword If    '${result}' == 'True'    Disable_Tunnel_Monitoring
    ${tunnels_on_OVS} =    Genius.Get Tunnels On OVS    ${TOOLS_SYSTEM_ALL_CONN_IDS[0]}
    OVSDB.Stop OVS    ${TOOLS_SYSTEM_IP}
    Genius.Verify Tunnel Status    UNKNOWN    ${tunnels_on_OVS}
    OVSDB.Start OVS    ${TOOLS_SYSTEM_IP}
    BuiltIn.Wait Until Keyword Succeeds    10s    1s    Genius.Verify Tunnel Status As Up