*** Settings ***
Documentation    Test BMC manager time functionality.
Resource                     ../../lib/resource.robot
Resource                     ../../lib/bmc_redfish_resource.robot
Resource                     ../../lib/common_utils.robot
Resource                     ../../lib/openbmc_ffdc.robot
Resource                     ../../lib/utils.robot
Resource                     ../../lib/rest_client.robot
Library                      ../../lib/gen_robot_valid.py

Test Setup                   Printn
Test Teardown                Test Teardown Execution
Suite Setup                  Suite Setup Execution
Suite Teardown               Suite Teardown Execution

*** Variables ***
${max_time_diff_in_seconds}  6
# The "offset" consists of the value "26" specified for hours.  Redfish will
# convert that to the next day + 2 hours.
${date_time_with_offset}     2019-04-25T26:24:46+00:00
${expected_date_time}        2019-04-26T02:24:46+00:00
${invalid_datetime}          "2019-04-251T12:24:46+00:00"
${ntp_server_1}              9.9.9.9
${ntp_server_2}              2.2.3.3
&{original_ntp}              &{EMPTY}
${year_without_ntp}          1970

*** Test Cases ***

Verify Redfish BMC Time
    [Documentation]  Verify that date/time obtained via redfish matches
    ...  date/time obtained via BMC command line.
    [Tags]  Verify_Redfish_BMC_Time

    ${redfish_date_time}=  Redfish Get DateTime
    ${cli_date_time}=  CLI Get BMC DateTime
    ${time_diff}=  Subtract Date From Date  ${cli_date_time}
    ...  ${redfish_date_time}
    ${time_diff}=  Evaluate  abs(${time_diff})
    Rprint Vars  redfish_date_time  cli_date_time  time_diff
    Should Be True  ${time_diff} < ${max_time_diff_in_seconds}
    ...  The difference between Redfish time and CLI time exceeds the allowed time difference.


Verify Set Time Using Redfish
    [Documentation]  Verify set time using redfish API.
    [Tags]  Verify_Set_Time_Using_Redfish

    Set Time To Manual Mode

    ${old_bmc_time}=  CLI Get BMC DateTime
    # Add 3 days to current date.
    ${new_bmc_time}=  Add Time to Date  ${old_bmc_time}  3 Days
    Redfish Set DateTime  ${new_bmc_time}
    ${cli_bmc_time}=  CLI Get BMC DateTime
    ${time_diff}=  Subtract Date From Date  ${cli_bmc_time}
    ...  ${new_bmc_time}
    ${time_diff}=  Evaluate  abs(${time_diff})
    Rprint Vars   old_bmc_time  new_bmc_time  cli_bmc_time  time_diff  max_time_diff_in_seconds
    Should Be True  ${time_diff} < ${max_time_diff_in_seconds}
    ...  The difference between Redfish time and CLI time exceeds the allowed time difference.
    # Setting back to old bmc time.
    Redfish Set DateTime  ${old_bmc_time}


Verify Set DateTime With Offset Using Redfish
    [Documentation]  Verify set DateTime with offset using redfish API.
    [Tags]  Verify_Set_DateTime_With_Offset_Using_Redfish
    [Teardown]  Run Keywords  Redfish Set DateTime  AND  FFDC On Test Case Fail

    Redfish Set DateTime  ${date_time_with_offset}
    ${cli_bmc_time}=  CLI Get BMC DateTime

    ${date_time_diff}=  Subtract Date From Date  ${cli_bmc_time}
    ...  ${expected_date_time}  exclude_millis=yes
    ${date_time_diff}=  Convert to Integer  ${date_time_diff}
    Rprint Vars  date_time_with_offset  expected_date_time  cli_bmc_time
    ...  date_time_diff  max_time_diff_in_seconds
    Valid Range  date_time_diff  0  ${max_time_diff_in_seconds}


Verify Set DateTime With Invalid Data Using Redfish
    [Documentation]  Verify error while setting invalid DateTime using Redfish.
    [Tags]  Verify_Set_DateTime_With_Invalid_Data_Using_Redfish

    Redfish Set DateTime  ${invalid_datetime}  valid_status_codes=[${HTTP_BAD_REQUEST}]


Verify DateTime Persists After Reboot
    [Documentation]  Verify date persists after BMC reboot.
    [Tags]  Verify_DateTime_Persists_After_Reboot

    # Synchronize BMC date/time to local system date/time.
    ${local_system_time}=  Get Current Date
    Redfish Set DateTime  ${local_system_time}
    Redfish OBMC Reboot (off)
    Redfish.Login
    ${bmc_time}=  CLI Get BMC DateTime
    ${local_system_time}=  Get Current Date
    ${time_diff}=  Subtract Date From Date  ${bmc_time}
    ...  ${local_system_time}
    ${time_diff}=  Evaluate  abs(${time_diff})
    Rprint Vars   local_system_time  bmc_time  time_diff  max_time_diff_in_seconds
    Should Be True  ${time_diff} < ${max_time_diff_in_seconds}
    ...  The difference between Redfish time and CLI time exceeds the allowed time difference.


Verify NTP Server Set
    [Documentation]  Patch NTP servers and verify NTP servers is set.
    [Tags]  Verify_NTP_Server_Set
    [Setup]  Set NTP state  ${True}

    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}
    ...  body={'NTP':{'NTPServers': ['${ntp_server_1}', '${ntp_server_2}']}}
    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]

    # NTP network take few seconds to reload.
    Wait Until Keyword Succeeds  30 sec  10 sec  Verify NTP Servers Are Populated

Verify NTP Server Value Not Duplicated
    [Documentation]  Verify NTP servers value not same for both primary and secondary server.
    [Tags]  Verify_NTP_Server_Value_Not_Duplicated

    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}
    ...  body={'NTP':{'NTPServers': ['${ntp_server_1}', '${ntp_server_1}']}}
    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]
    ${network_protocol}=  Redfish.Get Properties  ${REDFISH_NW_PROTOCOL_URI}
    Should Contain X Times  ${network_protocol["NTP"]["NTPServers"]}  ${ntp_server_1}  1
    ...  msg=NTP primary and secondary server values should not be same.


Verify NTP Server Setting Persist After BMC Reboot
    [Documentation]  Verify NTP server setting persist after BMC reboot.
    [Tags]  Verify_NTP_Server_Setting_Persist_After_BMC_Reboot
    [Setup]  Set NTP state  ${True}

    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}
    ...  body={'NTP':{'NTPServers': ['${ntp_server_1}', '${ntp_server_2}']}}
    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]
    Redfish OBMC Reboot (off)
    Redfish.Login

    # NTP network take few seconds to reload.
    Wait Until Keyword Succeeds  30 sec  10 sec  Verify NTP Servers Are Populated


Verify Enable NTP
    [Documentation]  Verify NTP protocol mode can be enabled.
    [Teardown]  Restore NTP Mode
    [Tags]  Verify_Enable_NTP

    ${original_ntp}=  Redfish.Get Attribute  ${REDFISH_NW_PROTOCOL_URI}  NTP
    Set Suite Variable  ${original_ntp}
    Rprint Vars  original_ntp
    # The following patch command should set the ["NTP"]["ProtocolEnabled"] property to "True".
    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}  body={'NTP':{'ProtocolEnabled': ${True}}}
    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]
    Wait Until Keyword Succeeds  1 min  5 sec
    ...  Verify System Time Sync Status  ${True}
    ${ntp}=  Redfish.Get Attribute  ${REDFISH_NW_PROTOCOL_URI}  NTP
    Rprint Vars  ntp
    Valid Value  ntp["ProtocolEnabled"]  valid_values=[True]


Verify Immediate Consumption Of BMC Date
    [Documentation]  Verify immediate change in BMC date time.
    [Tags]  Verify_Immediate_Consumption_Of_BMC_Date
    [Setup]  Run Keywords  Set Time To Manual Mode  AND
    ...  Redfish Set DateTime  valid_status_codes=[${HTTP_OK}]
    [Teardown]  Run Keywords  FFDC On Test Case Fail  AND
    ...  Redfish Set DateTime  valid_status_codes=[${HTTP_OK}]
    [Template]  Set BMC Date And Verify

    # host_state
    on
    off


Verify Set DateTime With NTP Enabled
    [Documentation]  Verify whether set managers dateTime is restricted with NTP enabled.
    [Tags]  Verify_Set_DateTime_With_NTP_Enabled

    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}  body={'NTP':{'ProtocolEnabled': ${True}}}
    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]
    ${ntp}=  Redfish.Get Attribute  ${REDFISH_NW_PROTOCOL_URI}  NTP
    Valid Value  ntp["ProtocolEnabled"]  valid_values=[True]
    ${local_system_time}=  Get Current Date
    Redfish Set DateTime  ${local_system_time}
    ...  valid_status_codes=[${HTTP_BAD_REQUEST}, ${HTTP_INTERNAL_SERVER_ERROR}]


*** Keywords ***


Test Teardown Execution
    [Documentation]  Do the post test teardown.

    FFDC On Test Case Fail


Redfish Get DateTime
    [Documentation]  Returns BMC Datetime value from Redfish.

    ${date_time}=  Redfish.Get Attribute  ${REDFISH_BASE_URI}Managers/bmc  DateTime
    [Return]  ${date_time}


Redfish Set DateTime
    [Documentation]  Set DateTime using Redfish.
    [Arguments]  ${date_time}=${EMPTY}  &{kwargs}
    # Description of argument(s):
    # date_time                     New time to set for BMC (eg.
    #                               "2019-06-30 09:21:28"). If this value is
    #                               empty, it will be set to the UTC current
    #                               date time of the local system.
    # kwargs                        Additional parameters to be passed directly to
    #                               th Redfish.Patch function.  A good use for
    #                               this is when testing a bad date-time, the
    #                               caller can specify
    #                               valid_status_codes=[${HTTP_BAD_REQUEST}].

    # Assign default value of UTC current date time if date_time is empty.
    ${date_time}=  Run Keyword If
    ...  '${date_time}' == '${EMPTY}'  Get Current Date  time_zone=UTC
    ...  ELSE
    ...  Set Variable  ${date_time}
    Wait Until Keyword Succeeds  1min  5sec
    ...  Redfish.Patch  ${REDFISH_BASE_URI}Managers/bmc  body={'DateTime': '${date_time}'}  &{kwargs}


Set Time To Manual Mode
    [Documentation]  Set date time to manual mode via Redfish.

    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}  body={'NTP':{'ProtocolEnabled': ${False}}}
    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]


Restore NTP Mode
    [Documentation]  Restore the original NTP mode.


    Return From Keyword If  &{original_ntp} == &{EMPTY}
    Print Timen  Restore NTP Mode.
    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}
    ...  body={'NTP':{'ProtocolEnabled': ${original_ntp["ProtocolEnabled"]}}}
    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]


Suite Setup Execution
    [Documentation]  Do the suite level setup.

    Printn
    Redfish.Login
    Get NTP Initial Status
    ${old_date_time}=  CLI Get BMC DateTime
    ${year_status}=  Run Keyword And Return Status  Should Not Contain  ${old_date_time}  ${year_without_ntp}
    Run Keyword If  ${year_status} == False
    ...  Enable NTP And Add NTP Address
    Set Time To Manual Mode


Suite Teardown Execution
    [Documentation]  Do the suite level teardown.

    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}
    ...  body={'NTP':{'NTPServers': ['${EMPTY}', '${EMPTY}']}}
    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]
    Set Time To Manual Mode
    Restore NTP Status
    Redfish.Logout


Set NTP state
    [Documentation]  Set NTP service inactive.
    [Arguments]  ${state}

    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}  body={'NTP':{'ProtocolEnabled': ${state}}}
    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]


Get NTP Initial Status
    [Documentation]  Get NTP service Status.

    ${original_ntp}=  Redfish.Get Attribute  ${REDFISH_NW_PROTOCOL_URI}  NTP
    Set Suite Variable  ${original_ntp}


Restore NTP Status
    [Documentation]  Restore NTP Status.

    Run Keyword If  '${original_ntp["ProtocolEnabled"]}' == 'True'
    ...    Set NTP state  ${TRUE}
    ...  ELSE  Set NTP state  ${FALSE}


Set BMC Date And Verify
    [Documentation]  Set BMC Date Time at a given host state and verify.
    [Arguments]  ${host_state}
    # Description of argument(s):
    # host_state  Host state at which date time will be updated for verification
    #             (eg. on, off).

    Run Keyword If  '${host_state}' == 'on'
    ...    Redfish Power On  stack_mode=skip
    ...  ELSE
    ...    Redfish Power off  stack_mode=skip
    ${current_date}=  Get Current Date  time_zone=UTC
    ${new_value}=  Subtract Time From Date  ${current_date}  1 day
    Redfish Set DateTime  ${new_value}  valid_status_codes=[${HTTP_OK}]
    ${current_value}=  Redfish Get DateTime
    ${time_diff}=  Subtract Date From Date  ${current_value}  ${new_value}
    Should Be True  '${time_diff}'<='3'

Verify NTP Servers Are Populated
    [Documentation]  Redfish GET request /redfish/v1/Managers/bmc/NetworkProtocol response
    ...              and verify if NTP servers are populated.

    ${network_protocol}=  Redfish.Get Properties  ${REDFISH_NW_PROTOCOL_URI}
    Should Contain  ${network_protocol["NTP"]["NTPServers"]}  ${ntp_server_1}
    ...  msg=NTP server value ${ntp_server_1} not stored.
    Should Contain  ${network_protocol["NTP"]["NTPServers"]}  ${ntp_server_2}
    ...  msg=NTP server value ${ntp_server_2} not stored.


Verify System Time Sync Status
    [Documentation]  Verify the status of service systemd-timesyncd matches the NTP protocol enabled state.
    [Arguments]  ${expected_sync_status}=${True}

    # Description of argument(s):
    # expected_sync_status  expected status at which NTP protocol enabled will be updated for verification
    #                       (eg. True, False).

    ${resp}=  BMC Execute Command
    ...  systemctl status systemd-timesyncd
    ...  ignore_err=${1}
    ${sync_status}=  Get Lines Matching Regexp  ${resp[0]}  .*Active.*
    Run Keyword If  ${expected_sync_status}==${True}
    ...  Should Contain  ${sync_status}  active (running)
    Run Keyword If  ${expected_sync_status}==${False}
    ...  Should Contain  ${sync_status}  inactive (dead)

Enable NTP And Add NTP Address
    [Documentation]  Enable NTP Protocol and Add NTP Address.

    Set NTP state  ${TRUE}

    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}  body={'NTP':{'NTPServers': ${NTP_SERVER_ADDRESSES}}}
    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]

    Wait Until Keyword Succeeds  1 min  10 sec  Check Date And Time Was Changed
    
Check Date And Time Was Changed
    [Documentation]  Verify date was current date and time.

    ${new_date_time}=  CLI Get BMC DateTime
    Should Not Contain  ${new_date_time}  ${year_without_ntp}