*** Settings ***
Documentation       Test suite to verify live Migaration of VM instance also verify the connectivity
...                 of VM instance while Migrating the instance,

Library             OperatingSystem
Library             RequestsLibrary
Library             SSHLibrary
Resource            ../../../libraries/DevstackUtils.robot
Resource            ../../../libraries/KarafKeywords.robot
Resource            ../../../libraries/LiveMigration.robot
Resource            ../../../libraries/OpenStackOperations.robot
Resource            ../../../libraries/RemoteBash.robot
Resource            ../../../libraries/SetupUtils.robot
Resource            ../../../libraries/Utils.robot

Suite Setup         Suite Setup
Suite Teardown      LiveMigration.Live Migration Suite Teardown
Test Setup          SetupUtils.Setup_Test_With_Logging_And_Without_Fast_Failing
Test Teardown       OpenStackOperations.Get Test Teardown Debugs


*** Variables ***
${SECURITY_GROUP}       migration_sg
@{NETWORKS}             migration_net_1
@{SUBNETS}              migration_sub_1
@{NET_1_VMS}            migration_net_1_vm_1    migration_net_1_vm_2
@{SUBNETS_RANGE}        130.0.0.0/24


*** Test Cases ***
Migrate Instance And Verify Connectivity While Migration And After
    [Documentation]    migrate the server to different host.
    ...    and check the connectivity during Migration
    ...    with a ping test from DHCP NS.
    ${net_id} =    OpenStackOperations.Get Net Id    ${NETWORKS}[0]
    ${devstack_conn_id} =    OpenStackOperations.Get ControlNode Connection
    SSHLibrary.Switch Connection    ${devstack_conn_id}
    ${output} =    SSHLibrary.Write    sudo ip netns exec qdhcp-${net_id} ping ${NET1_VM_IPS}[0]
    ${vm_host_before_migration} =    OpenStackOperations.Get Hypervisor Host Of Vm    ${NET_1_VMS}[0]
    OpenStackOperations.Server Live Migrate    ${NET_1_VMS}[0]
    ${vm_list} =    BuiltIn.Create List    ${NET_1_VMS}[0]
    FOR    ${vm}    IN    @{vm_list}
        BuiltIn.Wait Until Keyword Succeeds    6x    20s    OpenStackOperations.Check If Migration Is Complete    ${vm}
    END
    ${vm_host_after_migration} =    OpenStackOperations.Get Hypervisor Host Of Vm    ${NET_1_VMS}[0]
    IF    "${OPENSTACK_TOPO}" == "1cmb-0ctl-0cmp"
        BuiltIn.Should Match    ${vm_host_after_migration}    ${vm_host_before_migration}
    ELSE
        BuiltIn.Should Not Match    ${vm_host_after_migration}    ${vm_host_before_migration}
    END
    SSHLibrary.Switch Connection    ${devstack_conn_id}
    RemoteBash.Write_Bare_Ctrl_C
    ${output} =    SSHLibrary.Read Until    packet loss
    BuiltIn.Should Contain    ${output}    64 bytes
    ${output} =    DevstackUtils.Write Commands Until Prompt
    ...    sudo ip netns exec qdhcp-${net_id} ping -c 10 ${NET1_VM_IPS}[0]
    BuiltIn.Should Contain    ${output}    64 bytes


*** Keywords ***
Suite Setup
    LiveMigration.Live Migration Suite Setup
    OpenstackOperations.Create Network    ${NETWORKS}[0]
    OpenStackOperations.Create SubNet    ${NETWORKS}[0]    ${SUBNETS}[0]    ${SUBNETS_RANGE}[0]
    OpenStackOperations.Create Allow All SecurityGroup    ${SECURITY_GROUP}
    OpenStackOperations.Create Vm Instance On Compute Node
    ...    ${NETWORKS}[0]
    ...    ${NET_1_VMS}[0]
    ...    ${OS_CMP1_HOSTNAME}
    ...    sg=${SECURITY_GROUP}
    OpenStackOperations.Create Vm Instance On Compute Node
    ...    ${NETWORKS}[0]
    ...    ${NET_1_VMS}[1]
    ...    ${OS_CMP2_HOSTNAME}
    ...    sg=${SECURITY_GROUP}
    @{NET_1_VM_IPS}    ${NET_1_DHCP_IP} =    OpenStackOperations.Get VM IPs    @{NET_1_VMS}
    BuiltIn.Set Suite Variable    @{NET_1_VM_IPS}
    BuiltIn.Should Not Contain    ${NET_1_VM_IPS}    None
    BuiltIn.Should Not Contain    ${NET_1_DHCP_IP}    None
    OpenStackOperations.Show Debugs    @{NET_1_VMS}
    OpenStackOperations.Get Suite Debugs