xref: /openbmc/openbmc-test-automation/lib/pel_utils.py (revision 45b45c13c3b888c7a78d6b1ca73dd0289ecba064)
1#!/usr/bin/env python3
2
3r"""
4PEL functions.
5"""
6
7import json
8import os
9import sys
10from datetime import datetime
11
12import bmc_ssh_utils as bsu
13import func_args as fa
14
15base_path = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
16sys.path.append(base_path + "/data/")
17
18import pel_variables  # NOQA
19
20
21class PeltoolException(Exception):
22    r"""
23    Base class for peltool related exceptions.
24    """
25
26    def __init__(self, message):
27        self.message = message
28        super().__init__(self.message)
29
30
31def peltool(
32    option_string, peltool_extension=None, parse_json=True, **bsu_options
33):
34    r"""
35    Run peltool on the BMC with the caller's option string and return the result.
36
37    Example:
38
39    ${pel_results}=  Peltool  -l
40    Rprint Vars  pel_results
41
42    pel_results:
43      [0x50000031]:
44        [CompID]:                       0x1000
45        [PLID]:                         0x50000031
46        [Subsystem]:                    BMC Firmware
47        [Message]:                      An application had an internal failure
48        [SRC]:                          BD8D1002
49        [Commit Time]:                  02/25/2020  04:51:31
50        [Sev]:                          Unrecoverable Error
51        [CreatorID]:                    BMC
52
53    Description of argument(s):
54    option_string                   A string of options which are to be
55                                    processed by the peltool command.
56    peltool_extension               Provide peltool extension format.
57                                    Default: None.
58    parse_json                      Indicates that the raw JSON data should
59                                    parsed into a list of dictionaries.
60    bsu_options                     Options to be passed directly to
61                                    bmc_execute_command. See its prolog for
62                                    details.
63    """
64
65    bsu_options = fa.args_to_objects(bsu_options)
66    peltool_cmd = "peltool"
67    if peltool_extension:
68        peltool_cmd = peltool_cmd + peltool_extension
69
70    out_buf, _, _ = bsu.bmc_execute_command(
71        peltool_cmd + " " + option_string, **bsu_options
72    )
73    if parse_json:
74        try:
75            return json.loads(out_buf)
76        except ValueError as e:
77            if type(out_buf) is str:
78                return out_buf
79            else:
80                print(str(e))
81                return {}
82    return out_buf
83
84
85def get_pel_data_from_bmc(
86    include_hidden_pels=False, include_informational_pels=False
87):
88    r"""
89    Returns PEL data from BMC else throws exception.
90
91    Description of arguments:
92    include_hidden_pels           True/False (default: False).
93                                  Set True to get hidden PELs else False.
94    include_informational_pels    True/False (default: False).
95                                  Set True to get informational PELs else False.
96    """
97    try:
98        pel_cmd = " -l"
99        if include_hidden_pels:
100            pel_cmd = pel_cmd + " -h"
101        if include_informational_pels:
102            pel_cmd = pel_cmd + " -f"
103        pel_data = peltool(pel_cmd)
104        if not pel_data:
105            print("No PEL data present in BMC ...")
106    except Exception as exception:
107        raise PeltoolException(
108            "Failed to get PEL data from BMC : " + str(exception)
109        ) from exception
110    return pel_data
111
112
113def verify_no_pel_exists_on_bmc():
114    r"""
115    Verify that no PEL exists in BMC. Raise an exception if it does.
116    """
117
118    try:
119        pel_data = get_pel_data_from_bmc()
120
121        if len(pel_data) == 0:
122            return True
123
124        print("PEL data present. \n", pel_data)
125        raise PeltoolException("PEL data present in BMC")
126    except Exception as exception:
127        raise PeltoolException(
128            "Failed to get PEL data from BMC : " + str(exception)
129        ) from exception
130
131
132def compare_pel_and_redfish_event_log(pel_record, event_record):
133    r"""
134    Compare PEL log attributes like "SRC", "Created at" with Redfish
135    event log attributes like "EventId", "Created".
136    Return False if they do not match.
137
138    Description of arguments:
139    pel_record     PEL record.
140    event_record   Redfish event which is equivalent of PEL record.
141    """
142
143    try:
144        # Below is format of PEL record / event record and following
145        # i.e. "SRC", "Created at" from
146        # PEL record is compared with "EventId", "Created" from event record.
147
148        # PEL Log attributes
149        # SRC        : XXXXXXXX
150        # Created at : 11/14/2022 12:38:04
151
152        # Event log attributes
153        # EventId : XXXXXXXX XXXXXXXX XXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
154
155        # Created : 2022-11-14T12:38:04+00:00
156
157        print(f"\nPEL records : {pel_record}")
158        print(f"\nEvent records : {event_record}")
159
160        pel_src = pel_record["pel_data"]["SRC"]
161        pel_created_time = pel_record["pel_detail_data"]["Private Header"][
162            "Created at"
163        ]
164
165        event_ids = (event_record["EventId"]).split(" ")
166
167        event_time_format = (event_record["Created"]).split("T")
168        event_date = (event_time_format[0]).split("-")
169        event_date = datetime(
170            int(event_date[0]), int(event_date[1]), int(event_date[2])
171        )
172        event_date = event_date.strftime("%m/%d/%Y")
173        event_sub_time_format = (event_time_format[1]).split("+")
174        event_date_time = event_date + " " + event_sub_time_format[0]
175
176        event_created_time = event_date_time.replace("-", "/")
177
178        print(f"\nPEL SRC : {pel_src} | PEL Created Time : {pel_created_time}")
179
180        print(
181            f"\nError event ID : {event_ids[0]} | Error Log Created Time "
182            + ": {event_created_time}"
183        )
184
185        if pel_src == event_ids[0] and pel_created_time == event_created_time:
186            print(
187                "\nPEL SRC and created date time match with "
188                "event ID, created time"
189            )
190        else:
191            raise PeltoolException(
192                "\nPEL SRC and created date time did not "
193                "match with event ID, created time"
194            )
195    except Exception as exception:
196        raise PeltoolException(
197            "Exception occurred during PEL and Event log "
198            "comparison for SRC or event ID and created "
199            "time : " + str(exception)
200        ) from exception
201
202
203def fetch_all_pel_ids_for_src(src_id, severity, include_hidden_pels=False):
204    r"""
205    Fetch all PEL IDs for the input SRC ID based on the severity type
206    in the list format.
207
208    Description of arguments:
209    src_id                SRC ID (e.g. BCXXYYYY).
210    severity              PEL severity (e.g. "Predictive Error"
211                                             "Recovered Error").
212    include_hidden_pels   True/False (default: False).
213                          Set True to get hidden PELs else False.
214    """
215
216    try:
217        src_pel_ids = []
218        pel_data = get_pel_data_from_bmc(include_hidden_pels)
219        pel_id_list = pel_data.keys()
220        for pel_id in pel_id_list:
221            # Check if required SRC ID with severity is present
222            if src_id in pel_data[pel_id]["SRC"]:
223                if pel_data[pel_id]["Sev"] == severity:
224                    src_pel_ids.append(pel_id)
225
226        if not src_pel_ids:
227            raise PeltoolException(
228                src_id + " with severity " + severity + " not present"
229            )
230    except Exception as exception:
231        raise PeltoolException(
232            "Failed to fetch PEL ID for required SRC : " + str(exception)
233        ) from exception
234    return src_pel_ids
235
236
237def fetch_all_src(include_hidden_pels=False):
238    r"""
239    Fetch all SRC IDs from peltool in the list format.
240
241    include_hidden_pels       True/False (default: False).
242                              Set True to get hidden PELs else False.
243    """
244    try:
245        src_id = []
246        pel_data = get_pel_data_from_bmc(include_hidden_pels)
247        if pel_data:
248            pel_id_list = pel_data.keys()
249            for pel_id in pel_id_list:
250                src_id.append(pel_data[pel_id]["SRC"])
251        print("SRC IDs: " + str(src_id))
252    except Exception as exception:
253        raise PeltoolException(
254            "Failed to fetch all SRCs : " + str(exception)
255        ) from exception
256    return src_id
257
258
259def check_for_unexpected_src(
260    unexpected_src_list=None, include_hidden_pels=False
261):
262    r"""
263    From the given unexpected SRC list, check if any unexpected SRC created
264    on the BMC. Returns 0 if no SRC found else throws exception.
265
266    Description of arguments:
267    unexpected_src_list       Give unexpected SRCs in the list format.
268                              e.g.: ["BBXXYYYY", "AAXXYYYY"].
269
270    include_hidden_pels       True/False (default: False).
271                              Set True to get hidden PELs else False.
272    """
273    try:
274        unexpected_src_count = 0
275        if not unexpected_src_list:
276            print("Unexpected SRC list is empty.")
277        src_data = fetch_all_src(include_hidden_pels)
278        for src in unexpected_src_list:
279            if src in src_data:
280                print("Found an unexpected SRC : " + src)
281                unexpected_src_count = unexpected_src_count + 1
282        if unexpected_src_count >= 1:
283            raise PeltoolException("Unexpected SRC found.")
284
285    except Exception as exception:
286        raise PeltoolException(
287            "Failed to verify unexpected SRC list : " + str(exception)
288        ) from exception
289    return unexpected_src_count
290
291
292def filter_unexpected_srcs(expected_srcs=None):
293    r"""
294    Return list of SRCs found in BMC after filtering expected SRCs.
295    If expected_srcs is None then all SRCs found in system are returned.
296
297    Description of arguments:
298    expected_srcs       List of expected SRCs. E.g. ["BBXXYYYY", "AAXXYYYY"].
299    """
300
301    srcs_found = fetch_all_src()
302    if not expected_srcs:
303        expected_srcs = []
304    print(expected_srcs)
305    return list(set(srcs_found) - set(expected_srcs))
306
307
308def get_bmc_event_log_id_for_pel(pel_id):
309    r"""
310    Return BMC event log ID for the given PEL ID.
311
312    Description of arguments:
313    pel_id       PEL ID. E.g. 0x50000021.
314    """
315
316    pel_data = peltool("-i " + pel_id)
317    print(pel_data)
318    bmc_id_for_pel = pel_data["Private Header"]["BMC Event Log Id"]
319    return bmc_id_for_pel
320
321
322def get_latest_pels(number_of_pels=1):
323    r"""
324    Return latest PEL IDs.
325
326    Description of arguments:
327    number_of_pels       Number of PELS to be returned.
328    """
329
330    pel_data = peltool("-lr")
331    pel_ids = list(pel_data.keys())
332    return pel_ids[:number_of_pels]
333