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Steven Sombar43d6ba32018-02-16 11:25:09 -06001*** Settings ***
2
3Documentation Operational checks for fans.
4
5# Test Parameters:
6# OPENBMC_HOST The BMC host name or IP address.
7# OPENBMC_USERNAME The userID to login to the BMC as.
8# OPENBMC_PASSWORD The password for OPENBMC_USERNAME.
Steven Sombar43d6ba32018-02-16 11:25:09 -06009#
Steven Sombar1508aff2018-04-06 12:53:42 -050010# Approximate run time: 18 minutes.
Steven Sombar43d6ba32018-02-16 11:25:09 -060011
12Resource ../syslib/utils_os.robot
13Resource ../lib/logging_utils.robot
14Resource ../lib/utils.robot
15Resource ../lib/fan_utils.robot
Steven Sombar1508aff2018-04-06 12:53:42 -050016Library ../syslib/utils_keywords.py
17Library OperatingSystem
Steven Sombar43d6ba32018-02-16 11:25:09 -060018
Steven Sombar1508aff2018-04-06 12:53:42 -050019Suite Setup Suite Setup Execution
20Test Teardown Test Teardown Execution
Steven Sombar43d6ba32018-02-16 11:25:09 -060021
22
23*** Variables ***
24
Steven Sombar43d6ba32018-02-16 11:25:09 -060025# Fan state values.
26${fan_functional} ${1}
27${fan_nonfunctional} ${0}
28
Steven Sombar1508aff2018-04-06 12:53:42 -050029# Criteria for a fan to be considered to be at maximum speed.
30${max_speed}= ${10400}
31
Steven Sombar43d6ba32018-02-16 11:25:09 -060032
33*** Test Cases ***
34
Steven Sombar43d6ba32018-02-16 11:25:09 -060035Check Number Of Fans With Power On
36 [Documentation] Verify system has the minimum number of fans.
37 [Tags] Check_Number_Of_Fans_With_Power_On
38
Steven Sombar43d6ba32018-02-16 11:25:09 -060039 # Determine if system is water cooled.
40 ${water_coooled}= Is Water Cooled
41
42 Verify Minimum Number Of Fans With Cooling Type ${number_of_fans}
43 ... ${water_coooled}
44
45
46Check Number Of Fan Monitors With Power On
47 [Documentation] Verify monitors are present when power on.
48 [Tags] Check_Number_Of_Fan_Monitors_With_Power_On
49
50 Verify Fan Monitors With State On
51
52
Steven Sombar1508aff2018-04-06 12:53:42 -050053Check Fan Speed
54 [Documentation] Verify fans are running at or near target speed.
55 [Tags] Check_Fan_Speed
56
57 # Set the speed tolerance criteria.
58 # A tolerance value of .15 means that the fan's speed should be
59 # within 15% of its set target speed. Fans may be accelerating
60 # or decelerating to meet a new target, so allow .10 extra.
61 ${tolerance}= Set Variable .25
62 Rpvars tolerance
63
64 # Compare the fan's speed with its target speed.
65 :FOR ${fan_name} IN @{fan_names}
66 \ ${target_speed} ${fan_speed}= Get Fan Target And Speed ${fan_name}
67 \ Rpvars fan_name target_speed fan_speed
68 \ # Calculate tolerance, which is a % of the target speed.
69 \ ${tolerance_value}= Evaluate ${tolerance}*${target_speed}
70 \ # Calculate upper and lower speed limits.
71 \ ${max_limit}= Evaluate ${target_speed}+${tolerance_value}
72 \ ${min_limit}= Evaluate ${target_speed}-${tolerance_value}
73 \ Run Keyword If
74 ... ${fan_speed} < ${min_limit} or ${fan_speed} > ${max_limit}
75 ... Fail msg=${fan_name} speed of ${fan_speed} is out of range.
76
77
78Check Fan Manual Control
79 [Documentation] Check direct control of fans.
80 [Tags] Check_Fan_Manual_Control
81
82 # Test case overview:
83 # Turn off BMC's fan control daemon, then test to confirm
84 # that fans can be controlled manually.
85 # The app that takes data from sysfs and updates dbus is named hwmon.
86 # Verify hwmon functionality by comparing with what's on dbus
87 # (/xyz/openbmc_project/sensors/fan_tach/fan0_0, fan0_1, etc.)
88 # with what's in the BMC's file system at
89 # /sys/class/hwmon/hwmon9/fan*_input.
90
91 # The maximum target speed that can be set.
92 ${max_fan_target_setting}= Set Variable ${10500}
93
94 # Speed criteria for passing, which is 85% of max_fan_target_setting.
95 ${min_speed}= Set Variable ${8925}
96
97 # Time allowed for the fan daemon to take control and return
98 # fans to normal speed.
99 ${minutes_to_stabilize}= Set Variable 4
100
Gunnar Mills7732c7e2018-08-14 11:54:24 -0500101 # Login to BMC and disable the fan daemon. Disabling the daemon sets
Steven Sombar1508aff2018-04-06 12:53:42 -0500102 # manual mode.
103 Open Connection And Log In
104 Set Fan Daemon State stop
105
106 # For each fan, set a new target speed and wait for the fan to
107 # accelerate. Then check that the fan is running near that
108 # target speed.
109 :FOR ${fan_name} IN @{fan_names}
110 \ Set Fan Target Speed ${fan_name} ${max_fan_target_setting}
111 \ Run Key U Sleep \ 60s
112 \ ${target_speed} ${cw_speed} ${ccw_speed}=
113 ... Get Target And Blade Speeds ${fan_name}
114 \ Rpvars fan_name target_speed cw_speed ccw_speed
115 \ Run Keyword If
116 ... ${cw_speed} < ${min_speed} or ${ccw_speed} < ${min_speed}
117 ... Fail msg=${fan_name} failed manual speed test.
118
119 # Check the fan speeds in the BMC file system.
120
121 # Get the location of the fan hwmon.
122 ${controller_path} ${stderr} ${rc}= BMC Execute Command
123 ... grep -ir max31785a /sys/class/hwmon/hwmon* | grep name
124 # E.g., controller_path=/sys/class/hwmon/hwmon10/name:max31785a.
125
126 ${hwmon_path} ${file_name}= Split Path ${controller_path}
127 # E.g., /sys/class/hwmon/hwmon10 or /sys/class/hwmon/hwmon9.
128
129 Rpvars controller_path hwmon_path
130
131 # Run the BMC command which gets fan speeds from the file system.
132 ${cmd}= Catenate cat ${hwmon_path}/fan*_input
133 ${stdout} ${stderr} ${rc}=
134 ... BMC Execute Command ${cmd}
135
136 Rpvars fan_speeds_from_BMC_file_system
137
138 # Convert output to integer values.
139 ${speeds}= Evaluate map(int, $stdout.split(${\n}))
140 Rpvars speeds
141 # Count the number of speeds > ${min_speed}.
142 ${count}= Set Variable ${0}
143 :FOR ${speed} IN @{speeds}
144 \ ${count}= Run Keyword If ${speed} > ${min_speed}
145 ... Evaluate ${count}+1 ELSE Set Variable ${count}
146 # Because each fan has two rotating fan blades, the count should be
147 # equual to 2*${number_of_fans}. On water-cooled systems some
148 # speeds may be reported by hwmon as 0. That is expected,
149 # and the number_of_fans reported in the system will be less.
150 ${fail_test}= Evaluate (2*${number_of_fans})-${count}
151
152 # Re-enable the fan daemon
153 Set Fan Daemon State restart
154
155 Run Keyword If ${fail_test} Fail
156 ... msg=hwmon did not properly report fan speeds.
157
158 # Wait for the daemon to take control and gracefully set fan speeds
159 # back to normal.
160 ${msg}= Catenate Waiting ${minutes_to_stabilize} minutes
161 ... for fan daemon to stabilize fans.
162 Rprint Timen ${msg}
163 Run Key U Sleep \ ${minutes_to_stabilize}m
164
165
166Verify Fan Speed Increase
167 [Documentation] Verify that the speed of working fans increase when
168 ... one fan is disabled.
169 [Tags] Verify_Fan_Speed_Increase
Steven Sombar43d6ba32018-02-16 11:25:09 -0600170 # A non-functional fan should cause an error log and
171 # an enclosure LED will light. The other fans should speed up.
172
Steven Sombar1508aff2018-04-06 12:53:42 -0500173 # Allow system_response_time before checking if there was a
174 # response by the system to an applied fault.
175 ${system_response_time}= Set Variable 60s
Steven Sombar43d6ba32018-02-16 11:25:09 -0600176
Steven Sombar1508aff2018-04-06 12:53:42 -0500177 # Choose a fan to test with, e.g., fan0.
178 ${test_fan_name}= Get From List ${fan_names} 0
Steven Sombar43d6ba32018-02-16 11:25:09 -0600179
180 ${initial_speed}= Get Target Speed Of Fans
Steven Sombar1508aff2018-04-06 12:53:42 -0500181 Rpvars test_fan_name initial_speed
Steven Sombar43d6ba32018-02-16 11:25:09 -0600182
183 # If initial speed is not already at maximum, set expect_increase.
184 # This flag is used later to determine if speed checking is
185 # to be done or not.
186 ${expect_increase}= Run Keyword If
Steven Sombar1508aff2018-04-06 12:53:42 -0500187 ... ${initial_speed} < ${max_speed}
Steven Sombar43d6ba32018-02-16 11:25:09 -0600188 ... Set Variable 1 ELSE Set Variable 0
189
190 Set Fan State ${test_fan_name} ${fan_nonfunctional}
Steven Sombar1508aff2018-04-06 12:53:42 -0500191
192 # Wait for error to be asserted.
193
194 :FOR ${n} IN RANGE 30
195 \ ${front_fault}= Get System LED State front_fault
196 \ ${rear_fault}= Get System LED State rear_fault
197 \ Run Key U Sleep \ 1s
198 \ Exit For Loop If '${front_fault}' == 'On' and '${rear_fault}' == 'On'
Steven Sombar43d6ba32018-02-16 11:25:09 -0600199
200 Verify System Error Indication Due To Fans
201
202 # Verify the error log is for test_fan_name.
203 ${elog_entries}= Get Logging Entry List
204 :FOR ${elog_entry} IN @{elog_entries}
205 \ ${elog_entry_callout}= Set Variable ${elog_entry}/callout
206 \ ${endpoint}= Read Attribute ${elog_entry_callout} endpoints
207 \ ${endpoint_name}= Get From List ${endpoint} 0
208 \ Should Contain ${endpoint_name} ${test_fan_name}
209 ... msg=Error log present but not for ${test_fan_name}.
210
Steven Sombar1508aff2018-04-06 12:53:42 -0500211 Run Key U Sleep \ ${system_response_time}
212
213 # A heavily loaded system may have powered-off.
214 ${host_state}= Get Host State
215 Rpvars host_state
216 Run Keyword If 'Running' != '${host_state}' Pass Execution
217 ... msg=System shutdown so skipping remainder of test.
218
Steven Sombar43d6ba32018-02-16 11:25:09 -0600219 ${new_fan_speed}= Get Target Speed Of Fans
220 Rpvars expect_increase initial_speed new_fan_speed
221
222 # Fail if current fan speed did not increase past the initial
223 # speed, but do this check only if not at maximum speed to begin with.
224 Run Keyword If
225 ... ${expect_increase} == 1 and ${new_fan_speed} < ${initial_speed}
226 ... Fail msg=Remaining fans did not increase speed with loss of one fan.
227
Steven Sombar43d6ba32018-02-16 11:25:09 -0600228
229Verify System Shutdown Due To Fans
230 [Documentation] Shut down when not enough fans.
231 [Tags] Verify_System_Shutdown_Due_To_Fans
232
Steven Sombar1508aff2018-04-06 12:53:42 -0500233 ${wait_after_poweroff}= Set Variable 15s
234
235 # The previous test may have shutdown the system.
236 REST Power On stack_mode=skip
237
Steven Sombar43d6ba32018-02-16 11:25:09 -0600238 # Set fans to be non-functional.
239 :FOR ${fan_name} IN @{fan_names}
240 \ Set Fan State ${fan_name} ${fan_nonfunctional}
241
242 # System should notice the non-functional fans and power-off the
243 # system. The Wait For PowerOff keyword will time-out and report
244 # an error if power off does not happen within a reasonable time.
245 Wait For PowerOff
246
Steven Sombar1508aff2018-04-06 12:53:42 -0500247 Run Key U Sleep \ ${wait_after_poweroff}
248
Steven Sombar43d6ba32018-02-16 11:25:09 -0600249 Verify System Error Indication Due To Fans
250
251 # Verify there is an error log because of the shutdown.
252 ${expect}= Catenate
253 ... xyz.openbmc_project.State.Shutdown.Inventory.Error.Fan
254 ${elog_entries}= Get Logging Entry List
255 :FOR ${elog_entry} IN @{elog_entries}
256 \ ${elog_message}= Read Attribute ${elog_entry} Message
257 \ ${found}= Set Variable 1
258 \ Run Keyword If '${elog_message}' == '${expect}' Exit For Loop
259 \ ${found}= Set Variable 0
260 Run Keyword If not ${found} Fail
261 ... msg=No error log for event Shutdown.Inventory.Error.Fan.
262
263
264*** Keywords ***
265
Steven Sombar43d6ba32018-02-16 11:25:09 -0600266Reset Fans
267 [Documentation] Set the fans to functional state.
268 # Set state of fans to functional by writing 1 to the Functional
269 # attribute of each fan in the @{fan_names} list. If @{fan_names}
270 # is empty nothing is done.
271
272 # Description of Argument(s):
273 # fans Suite Variable which is a list containing the
274 # names of the fans (e.g., fan0 fan2 fan3).
275
276 :FOR ${fan_name} IN @{fan_names}
277 \ Set Fan State ${fan_name} ${fan_functional}
278
279
280Suite Setup Execution
281 [Documentation] Do the pre-test setup.
282
283 REST Power On stack_mode=skip
Steven Sombar1508aff2018-04-06 12:53:42 -0500284
285 # The @{fan_names} list holds the names of the fans in the system.
286 @{fan_names} Create List
287 ${fan_names}= Get Fan Names ${fan_names}
288 Set Suite Variable ${fan_names} children=true
289
290 ${number_of_fans}= Get Length ${fan_names}
291 Set Suite Variable ${number_of_fans} children=true
292
293 Reset Fans
294 Run Key U Sleep \ 15s
George Keishing32fe4e12018-07-13 05:06:47 -0500295 Delete All Error Logs
Steven Sombar43d6ba32018-02-16 11:25:09 -0600296 Set System LED State front_fault Off
297 Set System LED State rear_fault Off
298
299
300Test Teardown Execution
301 [Documentation] Do the post-test teardown.
302
303 FFDC On Test Case Fail
304 Reset Fans
Steven Sombar1508aff2018-04-06 12:53:42 -0500305 Run Key U Sleep \ 15s
George Keishing32fe4e12018-07-13 05:06:47 -0500306 Delete All Error Logs
Steven Sombar43d6ba32018-02-16 11:25:09 -0600307 Set System LED State front_fault Off
308 Set System LED State rear_fault Off