[action] [PR:14508] [Mellanox] add PSU fan direction support

[mssonicbld]

Why I did it

Add PSU fan direction support

How I did it

Implement fan.get_direction for PSU fan

How to verify it

Manual test
Unit test

============================= test session starts ==============================
platform linux -- Python 3.9.2, pytest-6.0.2, py-1.10.0, pluggy-0.13.0 -- /usr/bin/python3
cachedir: .pytest_cache
rootdir: /sonic/platform/mellanox/mlnx-platform-api, configfile: pytest.ini
plugins: pyfakefs-5.1.0, cov-2.10.1
collecting ... collected 109 items

tests/test_chassis.py::TestChassis::test_psu PASSED [ 0%]
tests/test_chassis.py::TestChassis::test_fan PASSED [ 1%]
tests/test_chassis.py::TestChassis::test_sfp PASSED [ 2%]
tests/test_chassis.py::TestChassis::test_change_event PASSED [ 3%]
tests/test_chassis.py::TestChassis::test_reboot_cause PASSED [ 4%]
tests/test_chassis.py::TestChassis::test_parse_warmfast_reboot_from_proc_cmdline PASSED [ 5%]
tests/test_chassis.py::TestChassis::test_module PASSED [ 6%]
tests/test_chassis.py::TestChassis::test_revision_permission PASSED [ 7%]
tests/test_chassis.py::TestChassis::test_get_port_or_cage_type PASSED [ 8%]
tests/test_cpu_thermal_control.py::TestCPUThermalControl::test_run PASSED [ 9%]
tests/test_eeprom.py::TestEeprom::test_chassis_eeprom PASSED [ 10%]
tests/test_eeprom.py::TestEeprom::test_eeprom_init PASSED [ 11%]
tests/test_eeprom.py::TestEeprom::test_get_system_eeprom_info_from_db PASSED [ 11%]
tests/test_eeprom.py::TestEeprom::test_get_system_eeprom_info_from_hardware PASSED [ 12%]
tests/test_eeprom.py::TestEeprom::test_eeprom_content_visitor PASSED [ 13%]
tests/test_fan_api.py::TestFan::test_fan_drawer_basic PASSED [ 14%]
tests/test_fan_api.py::TestFan::test_system_fan_basic PASSED [ 15%]
tests/test_fan_api.py::TestFan::test_system_fan_set_speed PASSED [ 16%]
tests/test_fan_api.py::TestFan::test_psu_fan_basic PASSED [ 17%]
tests/test_fan_api.py::TestFan::test_psu_fan_set_speed PASSED [ 18%]
tests/test_firmware.py::test_auto_update_firmware_default[None-False-None--2] PASSED [ 19%]
tests/test_firmware.py::test_auto_update_firmware_default[None-True-warm--1] PASSED [ 20%]
tests/test_firmware.py::test_auto_update_firmware_default[mock_update_firmware_fail-True-cold--3] PASSED [ 21%]
tests/test_firmware.py::test_auto_update_firmware_default[mock_update_firmware_success-True-cold-1] PASSED [ 22%]
tests/test_firmware.py::test_auto_update_firmware_cpld[None-False-None--2] PASSED [ 22%]
tests/test_firmware.py::test_auto_update_firmware_cpld[None-True-warm--1] PASSED [ 23%]
tests/test_firmware.py::test_auto_update_firmware_cpld[mock_update_firmware_fail-True-cold--3] PASSED [ 24%]
tests/test_firmware.py::test_auto_update_firmware_cpld[mock_update_firmware_success-True-cold-3] PASSED [ 25%]
tests/test_firmware.py::test_auto_update_firmware_ssd[None-None-False-None--2] PASSED [ 26%]
tests/test_firmware.py::test_auto_update_firmware_ssd[None-mock_update_notification_error-True-None--3] PASSED [ 27%]
tests/test_firmware.py::test_auto_update_firmware_ssd[mock_update_firmware_success-mock_update_notification_cold_boot-True-warm--1] PASSED [ 28%]
tests/test_firmware.py::test_auto_update_firmware_ssd[mock_update_firmware_success-mock_update_notification_cold_boot-True-cold-3] PASSED [ 29%]
tests/test_firmware.py::test_auto_update_firmware_ssd[mock_update_firmware_success-mock_update_notification_warm_boot-True-warm-2] PASSED [ 30%]
tests/test_firmware.py::test_auto_update_firmware_ssd[mock_update_firmware_success-mock_update_notification_warm_boot-True-cold-2] PASSED [ 31%]
tests/test_led.py::TestLed::test_chassis_led PASSED [ 32%]
tests/test_led.py::TestLed::test_fan_led PASSED [ 33%]
tests/test_led.py::TestLed::test_psu_led PASSED [ 33%]
tests/test_led.py::TestLed::test_fixed_psu_led PASSED [ 34%]
tests/test_module.py::TestModule::test_chassis_get_num_sfp PASSED [ 35%]
tests/test_module.py::TestModule::test_chassis_get_all_sfps PASSED [ 36%]
tests/test_module.py::TestModule::test_chassis_get_sfp PASSED [ 37%]
tests/test_module.py::TestModule::test_thermal PASSED [ 38%]
tests/test_module.py::TestModule::test_check_state PASSED [ 39%]
tests/test_module.py::TestModule::test_module_vpd PASSED [ 40%]
tests/test_psu.py::TestPsu::test_fixed_psu PASSED [ 41%]
tests/test_psu.py::TestPsu::test_psu PASSED [ 42%]
tests/test_psu.py::TestPsu::test_psu_vpd PASSED [ 43%]
tests/test_psu.py::TestPsu::test_psu_workaround PASSED [ 44%]
tests/test_psu.py::TestPsu::test_psu_power_threshold PASSED [ 44%]
tests/test_psu.py::TestPsu::test_psu_not_support_power_threshold PASSED [ 45%]
tests/test_sfp.py::TestSfp::test_sfp_index PASSED [ 46%]
tests/test_sfp.py::TestSfp::test_sfp_get_error_status PASSED [ 47%]
tests/test_sfp.py::TestSfp::test_sfp_write_eeprom PASSED [ 48%]
tests/test_sfp.py::TestSfp::test_sfp_read_eeprom PASSED [ 49%]
tests/test_sfp.py::TestSfp::test_is_port_admin_status_up PASSED [ 50%]
tests/test_sfp.py::TestSfp::test_is_write_protected PASSED [ 51%]
tests/test_sfp.py::TestSfp::test_get_sfp_type_str PASSED [ 52%]
tests/test_sfp.py::TestSfp::test_get_page_and_page_offset PASSED [ 53%]
tests/test_sfp.py::TestSfp::test_get_presence PASSED [ 54%]
tests/test_sfp.py::TestSfp::test_dummy_apis PASSED [ 55%]
tests/test_sfp_event.py::TestSfpEvent::test_check_sfp_status PASSED [ 55%]
tests/test_thermal.py::TestThermal::test_chassis_thermal PASSED [ 56%]
tests/test_thermal.py::TestThermal::test_chassis_thermal_includes PASSED [ 57%]
tests/test_thermal.py::TestThermal::test_psu_thermal PASSED [ 58%]
tests/test_thermal.py::TestThermal::test_sfp_thermal PASSED [ 59%]
tests/test_thermal.py::TestThermal::test_get_temperature PASSED [ 60%]
tests/test_thermal.py::TestThermal::test_get_high_threshold PASSED [ 61%]
tests/test_thermal.py::TestThermal::test_get_high_critical_threshold PASSED [ 62%]
tests/test_thermal.py::TestThermal::test_set_thermal_algorithm_status PASSED [ 63%]
tests/test_thermal.py::TestThermal::test_get_min_allowed_cooling_level_by_thermal_zone PASSED [ 64%]
tests/test_thermal.py::TestThermal::test_no_sensor_thermal_zone PASSED [ 65%]
tests/test_thermal.py::TestThermal::test_check_module_temperature_trustable PASSED [ 66%]
tests/test_thermal.py::TestThermal::test_get_min_amb_temperature PASSED [ 66%]
tests/test_thermal.py::TestThermal::test_set_cooling_level PASSED [ 67%]
tests/test_thermal.py::TestThermal::test_set_cooling_state PASSED [ 68%]
tests/test_thermal.py::TestThermal::test_get_cooling_level PASSED [ 69%]
tests/test_thermal_policy.py::test_load_policy PASSED [ 70%]
tests/test_thermal_policy.py::test_fan_info PASSED [ 71%]
tests/test_thermal_policy.py::test_psu_info PASSED [ 72%]
tests/test_thermal_policy.py::test_fan_policy PASSED [ 73%]
tests/test_thermal_policy.py::test_psu_policy PASSED [ 74%]
tests/test_thermal_policy.py::test_any_fan_absence_condition PASSED [ 75%]
tests/test_thermal_policy.py::test_all_fan_absence_condition PASSED [ 76%]
tests/test_thermal_policy.py::test_any_fan_fault_condition PASSED [ 77%]
tests/test_thermal_policy.py::test_all_fan_good_condition PASSED [ 77%]
tests/test_thermal_policy.py::test_any_psu_absence_condition PASSED [ 78%]
tests/test_thermal_policy.py::test_all_psu_absence_condition PASSED [ 79%]
tests/test_thermal_policy.py::test_all_fan_presence_condition PASSED [ 80%]
tests/test_thermal_policy.py::test_load_set_fan_speed_action PASSED [ 81%]
tests/test_thermal_policy.py::test_execute_set_fan_speed_action PASSED [ 82%]
tests/test_thermal_policy.py::test_load_duplicate_condition PASSED [ 83%]
tests/test_thermal_policy.py::test_load_duplicate_action PASSED [ 84%]
tests/test_thermal_policy.py::test_load_empty_condition PASSED [ 85%]
tests/test_thermal_policy.py::test_load_empty_action PASSED [ 86%]
tests/test_thermal_policy.py::test_load_policy_with_same_conditions PASSED [ 87%]
tests/test_thermal_policy.py::test_dynamic_minimum_table_data PASSED [ 88%]
tests/test_thermal_policy.py::test_thermal_recover_policy PASSED [ 88%]
tests/test_thermal_policy.py::test_monitor_asic_themal_zone PASSED [ 89%]
tests/test_thermal_policy.py::test_set_expect_cooling_level PASSED [ 90%]
tests/test_thermal_policy.py::test_run_policy PASSED [ 91%]
tests/test_utils.py::TestUtils::test_read_file PASSED [ 92%]
tests/test_utils.py::TestUtils::test_write_file PASSED [ 93%]
tests/test_utils.py::TestUtils::test_pre_initialize PASSED [ 94%]
tests/test_utils.py::TestUtils::test_pre_initialize_one PASSED [ 95%]
tests/test_utils.py::TestUtils::test_read_only_cache PASSED [ 96%]
tests/test_utils.py::TestUtils::test_default_return PASSED [ 97%]
tests/test_utils.py::TestUtils::test_run_command PASSED [ 98%]
tests/test_utils.py::TestUtils::test_extract_RJ45_ports_index PASSED [ 99%]
tests/test_utils.py::TestUtils::test_wait_until PASSED [100%]/usr/lib/python3/dist-packages/pytest_cov/plugin.py:271: PytestWarning: Failed to generate report: No data to report.

 self.cov_controller.finish()
WARNING: Failed to generate report: No data to report.



=============================== warnings summary ===============================
/usr/lib/python3/dist-packages/_pytest/junitxml.py:446
 /usr/lib/python3/dist-packages/_pytest/junitxml.py:446: PytestDeprecationWarning: The 'junit_family' default value will change to 'xunit2' in pytest 6.0. See:
 https://docs.pytest.org/en/stable/deprecations.html#junit-family-default-value-change-to-xunit2
 for more information.
 _issue_warning_captured(deprecated.JUNIT_XML_DEFAULT_FAMILY, config.hook, 2)

-- Docs: https://docs.pytest.org/en/stable/warnings.html
- generated xml file: /sonic/platform/mellanox/mlnx-platform-api/test-results.xml -

----------- coverage: platform linux, python 3.9.2-final-0 -----------

======================== 109 passed, 1 warning in 5.05s ========================

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012
• 202106
• 202111
• 202205
• 202211

Description for the changelog

Ensure to add label/tag for the feature raised. example - PR#2174 under sonic-utilities repo. where, Generic Config and Update feature has been labelled as GCU.

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)

[mssonicbld]

Original PR: #14508