*** Settings ***

Documentation   Test OpenBMC GUI "Network settings" sub-menu of
...             "Server configuration".

Resource        ../../lib/gui_resource.robot
Resource        ../../../lib/bmc_network_utils.robot

Suite Setup     Suite Setup Execution
Suite Teardown  Close Browser

*** Variables ***

${xpath_network_setting_heading}  //h1[text()="Network settings"]
${xpath_interface}                //h2[text()="Interface"]
${xpath_system}                   //h2[text()="System"]
${xpath_static_ipv4}              //h2[text()="Static IPv4"]
${xpath_static_dns}               //h2[text()="Static DNS"]
${xpath_hostname_input}           //*[@data-test-id="networkSettings-input-hostname"]
${xpath_network_save_settings}    //button[@data-test-id="networkSettings-button-saveNetworkSettings"]
${xpath_default_gateway_input}    //*[@data-test-id="networkSettings-input-gateway"]
${xpath_mac_address_input}        //*[@data-test-id="networkSettings-input-macAddress"]
${xpath_static_input_ip0}         //*[@data-test-id="networkSettings-input-staticIpv4-0"]
${xpath_static_input_ip1}         //*[@data-test-id="networkSettings-input-staticIpv4-1"]
${xpath_add_static_ip}            //button[contains(text(),"Add static IP")]
${xpath_setting_success}          //*[contains(text(),"Successfully saved network settings.")]
${xpath_add_dns_server}           //button[contains(text(),"Add DNS server")]
${xpath_network_interface}        //*[@data-test-id="networkSettings-select-interface"]
${xpath_input_netmask_addr0}      //*[@data-test-id="networkSettings-input-subnetMask-0"]
${xpath_input_netmask_addr1}      //*[@data-test-id="networkSettings-input-subnetMask-1"]
${xpath_delete_static_ip}         //*[@title="Delete IPv4 row"]
${xpath_input_dns_server}         //*[@data-test-id="networkSettings-input-dnsAddress-0"]
${xpath_delete_dns_server}        //*[@title="Delete DNS row"]
${xpath_ip_table}                 //*[@aria-colcount="3"]

@{static_name_servers}            10.10.10.10
@{null_value}                     null
@{empty_dictionary}               {}
@{string_value}                   aa.bb.cc.dd
@{special_char_value}             @@@.%%.44.11

@{test_ipv4_addr}                 10.7.7.7
@{test_subnet_mask}               255.255.0.0

# Valid netmask is 4 bytes long and has continuous block of 1s.
# Maximum valid value in each octet is 255 and least value is 0.
# Maximum value of octet in netmask is 255.
@{alpha_netmask}                  ff.ff.ff.ff
@{out_of_range_netmask}           255.256.255.0
@{more_byte_netmask}              255.255.255.0.0
@{lowest_netmask}                 128.0.0.0

*** Test Cases ***

Verify Navigation To Network Settings Page
    [Documentation]  Verify navigation to network settings page.
    [Tags]  Verify_Navigation_To_Network_Settings_Page

    Page Should Contain Element  ${xpath_network_setting_heading}


Verify Existence Of All Sections In Network Settings Page
    [Documentation]  Verify existence of all sections in network settings page.
    [Tags]  Verify_Existence_Of_All_Sections_In_Network_Settings_Page

    Page Should Contain Element  ${xpath_interface}
    Page Should Contain Element  ${xpath_system}
    Page Should Contain Element  ${xpath_static_ipv4}
    Page Should Contain Element  ${xpath_static_dns}
    Page Should Contain Button   ${xpath_delete_static_ip}


Verify Existence Of All Buttons In Network Settings Page
    [Documentation]  Verify existence of all buttons in network settings page.
    [Tags]  Verify_Existence_Of_All_Buttons_In_Network_Settings_Page

    Page Should Contain Element  ${xpath_add_static_ip}
    Page Should Contain Element  ${xpath_add_dns_server}


Verify Network Settings From Server Configuration
    [Documentation]  Verify ability to select "Network Settings" sub-menu option
    ...  of "Server Configuration".
    [Tags]  Verify_Network_Settings_From_Server_Configuration

    Page Should Contain  IP address


Verify Hostname Text Configuration
    [Documentation]  Verify hostname text is configurable from "network settings"
    ...  sub-menu.
    [Tags]  Verify_Hostname_Text_Configuration

    Wait Until Element Is Enabled  ${xpath_hostname_input}
    Input Text  ${xpath_hostname_input}  witherspoon1
    Click Button  ${xpath_network_save_settings}
    Wait Until Page Contains Element  ${xpath_setting_success}  timeout=10
    Wait Until Keyword Succeeds  15 sec  5 sec  Textfield Should Contain  ${xpath_hostname_input}
    ...  witherspoon1


Verify Default Gateway Editable
    [Documentation]  Verify default gateway text input allowed from "network
    ...  settings".
    [Tags]  Verify_Default_Gateway_Editable
    [Teardown]  Click Element  ${xpath_refresh_button}

    Wait Until Page Contains Element  ${xpath_default_gateway_input}
    Input Text  ${xpath_default_gateway_input}  10.6.6.7


Verify MAC Address Editable
    [Documentation]  Verify MAC address text input allowed from "network
    ...  settings".
    [Tags]  Verify_MAC_Address_Editable
    [Teardown]  Click Element  ${xpath_refresh_button}

    Wait Until Element Is Enabled  ${xpath_mac_address_input}
    Input Text  ${xpath_mac_address_input}  AA:E2:84:14:28:79


Verify Static IP Address Editable
    [Documentation]  Verify static IP address is editable.
    [Tags]  Verify_Static_IP_Address_Editable
    [Teardown]  Click Element  ${xpath_refresh_button}

    ${exists}=  Run Keyword And Return Status  Wait Until Page Contains Element  ${xpath_static_input_ip0}
    Run Keyword If  '${exists}' == '${False}'
    ...  Click Element  ${xpath_add_static_ip}

    Input Text  ${xpath_static_input_ip0}  ${OPENBMC_HOST}


Verify System Section In Network Setting page
    [Documentation]  Verify hostname, MAC address and default gateway
    ...  under system section of network setting page.
    [Tags]  Verify_System_Section

    ${host_name}=  Redfish_Utils.Get Attribute  ${REDFISH_NW_PROTOCOL_URI}  HostName
    Textfield Value Should Be  ${xpath_hostname_input}  ${host_name}

    ${mac_address}=  Get BMC MAC Address
    Textfield Value Should Be   ${xpath_mac_address_input}  ${mac_address}

    ${default_gateway}=  Get BMC Default Gateway
    Textfield Value Should Be  ${xpath_default_gateway_input}  ${default_gateway}


Verify Network Interface Details
    [Documentation]  Verify network interface name in network setting page.
    [Tags]  Verify_Network_Interface_Details

    ${active_channel_config}=  Get Active Channel Config
    ${ethernet_interface_redfish}=  Set Variable  ${active_channel_config['${CHANNEL_NUMBER}']['name']}
    ${ethernet_interface_gui}=  Get Text  ${xpath_network_interface}
    Should Contain  ${ethernet_interface_gui}  ${ethernet_interface_redfish}


Verify Network Static IPv4 Details
    [Documentation]  Verify network static IPv4 details.
    [Tags]  Verify_Network_static_IPv4_Details

    @{network_configurations}=  Get Network Configuration
    FOR  ${network_configuration}  IN  @{network_configurations}
      Textfield Value Should Be  ${xpath_static_input_ip0}  ${network_configuration["Address"]}
      Textfield Value Should Be  ${xpath_input_netmask_addr0}  ${network_configuration['SubnetMask']}
    END


Configure Invalid Network Addresses And Verify
    [Documentation]  Configure invalid network addresses and verify.
    [Tags]  Configure_Invalid_Network_Addresses_And_Verify
    [Template]  Configure Invalid Network Address And Verify

    # locator                        invalid_address
    ${xpath_mac_address_input}       A.A.A.A
    ${xpath_default_gateway_input}   a.b.c.d
    ${xpath_static_input_ip0}        a.b.c.d
    ${xpath_input_netmask_addr0}     255.256.255.0


Configure And Verify Empty Network Addresses
    [Documentation]  Configure and verify empty network addresses.
    [Tags]  Configure_And_Verify_Empty_Network_Addresses
    [Template]  Configure Invalid Network Address And Verify

    # locator                       invalid_address  expected_error
    ${xpath_mac_address_input}        ${empty}       Field required
    ${xpath_default_gateway_input}    ${empty}       Field required
    ${xpath_static_input_ip0}         ${empty}       Field required
    ${xpath_input_netmask_addr0}      ${empty}       Field required
    ${xpath_hostname_input}           ${empty}       Field required


Config And Verify DNS Server Via GUI
    [Documentation]  Configure DNS server and verify.
    [Tags]  Config_And_Verify_DNS_Server_Via_GUI
    [Setup]   DNS Test Setup Execution
    [Teardown]   Run Keywords  Delete DNS Server And Verify  ${static_name_servers}
    ...  AND  DNS Test Teardown Execution

    Add DNS Server And Verify  ${static_name_servers}


Delete And Verify DNS Server Via GUI
    [Documentation]  Delete DNS server and verify.
    [Tags]  Delete_And_Verify_DNS_Server_Via_GUI
    [Setup]   Run Keywords  DNS Test Setup Execution  AND
    ...  Add DNS Server And Verify  ${static_name_servers}
    [Teardown]  DNS Test Teardown Execution

    Delete DNS Server And Verify  ${static_name_servers}

Configure And Verify Static IP Address
    [Documentation]  Configure and verify static ip addresses.
    [Setup]  Test Setup Execution
    [Tags]  Configure_And_Verify_Static_IP_Address
    [Teardown]  Run Keywords  Delete And Verify Static IP Address On BMC
    ...  AND  Test Teardown Execution

    Add Static IP Address And Verify  ${test_ipv4_addr}  ${test_subnet_mask}


Configure And Verify Invalid DNS Server
    [Documentation]  Configure invalid DNS server and verify error.
    [Tags]  Configure_And_Verify_Invalid_DNS_Server
    [Template]  Add DNS Server And Verify
    [Setup]  DNS Test Setup Execution
    [Teardown]  Run Keywords  Click Element  ${xpath_refresh_button}
    ...  AND  DNS Test Teardown Execution

    # invalid_ address      expected_status
    ${string_value}         Invalid format
    ${special_char_value}   Invalid format
    ${empty_dictionary}     Field required
    ${null_value}           Invalid format

Modify IP Address And Verify
    [Documentation]  Modify IP address and verify.
    [Setup]  Test Setup Execution
    [Tags]  Modify_IP_Address_And_Verify
    [Teardown]  Run Keywords  Delete And Verify Static IP Address On BMC
    ...  AND  Test Teardown Execution

    Add IP Address And Verify  10.7.7.8  255.255.0.0
    Update IP Address And Verify  10.7.7.8  10.7.7.9  255.255.0.0


Configure Netmask And Verify
    [Documentation]  Configure and verify netmask.
    [Tags]  Configure_And_Verify_Netmask
    [Setup]  Test Setup Execution
    [Template]  Add Static IP Address And Verify
    [Teardown]  Run Keywords  Click Element  ${xpath_refresh_button}
    ...  AND  Delete And Verify Static IP Address On BMC
    ...  AND  Test Teardown Execution

    # ip_addresses      subnet_masks             expected_status
    ${test_ipv4_addr}   ${lowest_netmask}        Valid format
    ${test_ipv4_addr}   ${more_byte_netmask}     Invalid format
    ${test_ipv4_addr}   ${alpha_netmask}         Invalid format
    ${test_ipv4_addr}   ${out_of_range_netmask}  Invalid format

*** Keywords ***

Suite Setup Execution
   [Documentation]  Do test case setup tasks.

    Launch Browser And Login GUI
    Click Element  ${xpath_server_configuration}
    Click Element  ${xpath_select_network_settings}
    Wait Until Keyword Succeeds  30 sec  10 sec  Location Should Contain  network-settings
    ${host_name}  ${BMC_IP}=  Get Host Name IP  host=${OPENBMC_HOST}
    Set Suite Variable  ${BMC_IP}


Configure Invalid Network Address And Verify
    [Documentation]  Configure invalid network address And verify.
    [Arguments]  ${locator}  ${invalid_address}  ${expected_error}=Invalid format
    [Teardown]  Click Element  ${xpath_refresh_button}

    # Description of the argument(s):
    # locator            Xpath to identify an HTML element on a web page.
    # invalid_address    Invalid address to be added.
    # expected_error     Expected error optionally provided in testcase
    # ....               (e.g. Invalid format / Field required)

    Wait Until Element Is Enabled  ${locator}
    Clear Element Text  ${locator}
    Input Text  ${locator}  ${invalid_address}
    Click Element  ${xpath_network_save_settings}
    Page Should Contain  ${expected_error}


Add DNS Server And Verify
    [Documentation]  Add DNS server on BMC and verify it via BMC CLI.
    [Arguments]  ${static_name_servers}   ${expected_status}=Valid format

    # Description of the argument(s):
    # static_name_servers  A list of static name server IPs to be
    #                      configured on the BMC.
    # expected_status      Expected status while adding DNS server address
    # ...                  (e.g. Invalid format / Field required).

    Wait Until Page Contains Element  ${xpath_add_dns_server}
    ${length}=  Get Length   ${static_name_servers}
    FOR  ${i}  IN RANGE  ${length}
      Click Button  ${xpath_add_dns_server}
      Input Text  //*[@data-test-id="networkSettings-input-dnsAddress-${i}"]
      ...  ${static_name_servers}[${i}]
    END

    Click Button  ${xpath_network_save_settings}
    Run keyword if  '${expected_status}' != 'Valid format'
    ...  Run keywords  Page Should Contain  ${expected_status}  AND  Return From Keyword

    Wait Until Page Contains Element  ${xpath_setting_success}  timeout=15
    Sleep  ${NETWORK_TIMEOUT}s
    Verify Static Name Server Details On GUI  ${static_name_servers}
    # Check if newly added DNS server is configured on BMC.
    ${cli_name_servers}=  CLI Get Nameservers
    List Should Contain Sub List  ${cli_name_servers}  ${static_name_servers}


Delete DNS Server And Verify
    [Documentation]  Delete static name servers.
    [Arguments]  ${static_name_servers}

    # Description of the argument(s):
    # static_name_servers  A list of static name server IPs to be
    #                      configured on the BMC.

    ${length}=  Get Length  ${static_name_servers}
    FOR  ${i}  IN RANGE   ${length}
       ${status}=  Run Keyword And Return Status
       ...  Page Should Contain Element  ${xpath_delete_dns_server}
       Exit For Loop If   "${status}" == "False"
       Wait Until Element Is Enabled  ${xpath_delete_dns_server}
       Click Button  ${xpath_delete_dns_server}
    END

    Click Button  ${xpath_network_save_settings}
    Wait Until Page Contains Element  ${xpath_setting_success}  timeout=15

    Sleep  ${NETWORK_TIMEOUT}s
    Page Should Not Contain Element  ${xpath_input_dns_server}
    # Check if all name servers deleted on BMC.
    ${nameservers}=  CLI Get Nameservers
    Should Be Empty  ${nameservers}


DNS Test Setup Execution
    [Documentation]  Do DNS test setup execution.

    ${original_name_server}=  CLI Get Nameservers
    Set Suite Variable   ${original_name_server}
    Run Keyword If  ${original_name_server} != @{EMPTY}
    ...  Delete DNS Server And Verify  ${original_name_server}


DNS Test Teardown Execution
    [Documentation]  Do DNS test teardown execution.

    Run Keyword If  ${original_name_server} != @{EMPTY}
    ...  Add DNS Server And Verify  ${original_name_server}


Verify Static Name Server Details On GUI
    [Documentation]  Verify static name servers on GUI.
    [Arguments]   ${static_name_servers}

    # Description of the argument(s):
    # static_name_servers  A list of static name server IPs to be
    #                      configured on the BMC.

    ${length}=  Get Length  ${static_name_servers}
    FOR  ${i}  IN RANGE  ${length}
       Page Should Contain Element  //*[@data-test-id="networkSettings-input-dnsAddress-${i}"]
       Textfield Value Should Be   //*[@data-test-id="networkSettings-input-dnsAddress-${i}"]
       ...  ${static_name_servers}[${i}]
    END

Add Static IP Address And Verify
    [Documentation]  Add static IP on BMC and verify.
    [Arguments]  ${ip_addresses}  ${subnet_masks}  ${expected_status}=Valid format

    # Description of argument(s):
    # ip_addresses         A list of IP address to be added (e.g. ["10.7.7.7"]).
    # subnet_masks         A list of Subnet mask for the IP to be added (e.g. ["255.255.0.0"]).
    # expected_status      Expected status while adding static ipv4 address
    # ....                (e.g. Invalid format / Field required).

    ${ip_count}=  Get Length  ${ip_addresses}
    FOR  ${i}  IN RANGE  ${ip_count}
       ${ip_location}=  Evaluate  ${i} + ${1}
       Wait Until Element Is Enabled  ${xpath_add_static_ip}
       Click Button  ${xpath_add_static_ip}
       Wait Until Element Is Enabled  //*[@data-test-id="networkSettings-input-staticIpv4-${ip_location}"]
       Wait Until Element Is Enabled  //*[@data-test-id="networkSettings-input-subnetMask-${ip_location}"]
       Input Text  //*[@data-test-id="networkSettings-input-staticIpv4-${ip_location}"]  ${ip_addresses}[${i}]
       Input Text  //*[@data-test-id="networkSettings-input-subnetMask-${ip_location}"]  ${subnet_masks}[${i}]
    END

    Click Button  ${xpath_network_save_settings}
    Run keyword if  '${expected_status}' != 'Valid format'
    ...  Run keywords  Page Should Contain  ${expected_status}  AND  Return From Keyword
    Wait Until Page Contains Element  ${xpath_setting_success}  timeout=15
    Sleep  ${NETWORK_TIMEOUT}s
    Click Element  ${xpath_refresh_button}
    Verify IP And Netmask On BMC Using GUI  ${ip_addresses}  ${subnet_masks}

Delete And Verify Static IP Address On BMC
    [Documentation]  Delete static IP address and verify

    ${all_match_elements}=  Get Element Count  ${xpath_delete_static_ip}
    FOR  ${element}  IN RANGE  ${all_match_elements}
      ${ip_location}=  Evaluate  ${element} + ${1}
      Delete Static IPv4 Addresses Except BMC IP  ${element}
      ${status}=  Run Keyword And Return Status  Page Should Contain Textfield
      ...  //*[@data-test-id="networkSettings-input-staticIpv4-${ip_location}"]
      Exit For Loop IF  "${status}" == "${False}"
    END

    Click Button  ${xpath_network_save_settings}
    Wait Until Page Contains Element  ${xpath_setting_success}  timeout=15
    ${all_match_elements}=  Get Element Count  ${xpath_delete_static_ip}
    Should Be Equal  ${all_match_elements}  ${1}
    Textfield Value Should Be  ${xpath_static_input_ip0}  ${BMC_IP}
    Sleep  ${NETWORK_TIMEOUT}s
    Ping Host  ${OPENBMC_HOST}
    Validate Network Config On BMC

Delete Static IPv4 Addresses Except BMC IP
    [Documentation]  Delete static IP addresses from IPv4 section on GUI except BMC IP.
    [Arguments]   ${element}

    # Description of argument(s):
    # element          IP address location on GUI(e.g. 0 or 1).

    ${ip_location}=  Evaluate  ${element} + ${1}
    Wait Until Element Is Enabled  //*[@data-test-id="networkSettings-input-staticIpv4-${element}"]
    ${input_ip}=  Get Value  //*[@data-test-id="networkSettings-input-staticIpv4-${element}"]
    Run Keyword If  "${BMC_IP}" != "${input_ip}"
    ...  Click Button  ${xpath_ip_table}/tbody/tr[${ip_location}]/td[3]/span/button

    # Get delete ip elements.
    ${delete_ip_elements}=  Get Element Count  ${xpath_delete_static_ip}

    # Delete IP Address on BMC if available more than 1.
    Run Keyword If  ${delete_ip_elements} != ${1}
    ...  Delete Static IPv4 Addresses Except BMC IP  ${element}

Test Setup Execution
    [Documentation]  Get and delete existing IPv4 addresses and netmask if any..

    ${ip_data}=  Create List
    ${netmask_data}=  Create List

    # Get all IPv4 addresses and netmask on BMC.
    ${network_configurations}=  Get Network Configuration
    FOR  ${network_configuration}  IN  @{network_configurations}
      Continue For Loop If  '${BMC_IP}' == '${network_configuration['Address']}'
      Append To List  ${ip_data}  ${network_configuration['Address']}
      Append To List  ${netmask_data}  ${network_configuration['SubnetMask']}
    END
    Set Suite Variable  ${ip_data}
    Set Suite Variable  ${netmask_data}

    # Delete existing static IPv4 addresses and netmask if available.
    Run Keyword If  ${ip_data} != @{empty} and ${netmask_data} != @{empty}
    ...  Delete And Verify Static IP Address On BMC


Test Teardown Execution
    [Documentation]  Restore existing IPv4 addresses and netmasks.

    ${ip_length}=  Get Length  ${ip_data}
    ${netmask_length}=  Get Length  ${netmask_data}

    # Restore existing IPv4 addresses and netmasks if any..
    Run Keyword If  ${ip_length} != ${0} and ${netmask_length} != ${0}
    ...  Add Static IP Address And Verify  ${ip_data}  ${netmask_data}


Verify IP And Netmask On BMC Using GUI
    [Documentation]  Verify IP and netmask on GUI.
    [Arguments]   ${ip_addresses}  ${subnet_masks}

    # Description of argument(s):
    # ip_addresses         A list of IP address to be added (e.g. ["10.7.7.7"]).
    # subnet_masks         A list of Subnet mask for the IP to be added (e.g. ["255.255.0.0]").

    ${ip_count}=  Get Length  ${ip_addresses}
    FOR  ${i}  IN RANGE  ${ip_count}
       ${input_ip}=  Get Value  //*[@data-test-id="networkSettings-input-staticIpv4-${i}"]
       Continue For Loop If  '${BMC_IP}' == '${input_ip}'
       Textfield Value Should Be  //*[@data-test-id="networkSettings-input-staticIpv4-${i}"]
       ...  ${ip_addresses}[${i}]
       Textfield Value Should Be  //*[@data-test-id="networkSettings-input-subnetMask-${i}"]
       ...  ${subnet_masks}[${i}]
    END
    Validate Network Config On BMC


Update IP Address And Verify
    [Documentation]  Update static IPv4 address and verify.
    [Arguments]  ${ip}  ${new_ip}  ${subnet_mask}

    # Description of argument(s):
    # ip                  IP address to be replaced (e.g. "10.7.7.7").
    # new_ip              New IP address to be configured.
    # subnet_mask         Netmask value.

    ${get_ip}=  Get Value  ${xpath_static_input_ip0}
    Run Keyword If  '${ip}'== '${get_ip}'
    ...  Run Keywords  Clear Element Text  ${xpath_static_input_ip0}
    ...  AND  Input Text  ${xpath_static_input_ip0}  ${new_ip}

    Click Button  ${xpath_network_save_settings}
    Wait Until Page Contains Element  ${xpath_setting_success}  timeout=15
    Sleep  ${NETWORK_TIMEOUT}s
    Click Element  ${xpath_refresh_button}
    Verfiy IP On BMC  ${new_ip}  ${subnet_mask}
    Validate Network Config On BMC


Add IP Address And Verify
    [Documentation]  Add only one static IPv4 address and verify.
    [Arguments]  ${ip}  ${subnet_mask}

    # Description of argument(s):
    # ip                  IP address to be set (e.g. "10.7.7.7").
    # subnet_mask         Netmask value to be set (e.g. "255.255.0.0").

    Click Button  ${xpath_add_static_ip}
    Clear Element Text  ${xpath_static_input_ip1}
    Input Text  ${xpath_static_input_ip1}  ${ip}
    Input Text  ${xpath_input_netmask_addr1}  ${subnet_mask}
    Click Button  ${xpath_network_save_settings}
    Wait Until Page Contains Element  ${xpath_setting_success}  timeout=15
    Sleep  ${NETWORK_TIMEOUT}s
    Click Element  ${xpath_refresh_button}
    Verfiy IP On BMC  ${ip}  ${subnet_mask}
    Validate Network Config On BMC


Verfiy IP On BMC
    [Documentation]  Verify only one static IPv4 address.
    [Arguments]  ${ip}  ${subnet_mask}

    # Description of argument(s):
    # ip             IP address which needs to be verified (e.g. "10.7.7.7").
    # subnet_mask    Netmask value which needs to be verified.(e.g. "255.255.0.0").

    ${get_ip}=  Get Value  ${xpath_static_input_ip0}
    ${get_netmask}=  Get Value  ${xpath_input_netmask_addr0}
    Should Be Equal  ${get_ip}  ${ip}
    Should Be Equal  ${get_netmask}  ${subnet_mask}