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Michael Walsh7423c012016-10-04 10:27:21 -05001#!/usr/bin/env python
2
3import sys
4import __builtin__
5import subprocess
6import os
7import argparse
8
9# python puts the program's directory path in sys.path[0]. In other words,
10# the user ordinarily has no way to override python's choice of a module from
11# its own dir. We want to have that ability in our environment. However, we
12# don't want to break any established python modules that depend on this
13# behavior. So, we'll save the value from sys.path[0], delete it, import our
14# modules and then restore sys.path to its original value.
15
16save_path_0 = sys.path[0]
17del sys.path[0]
18
19from gen_print import *
20from gen_valid import *
21from gen_arg import *
22from gen_plug_in import *
Michael Walsh97d5b362017-05-30 17:57:38 -050023from gen_cmd import *
Michael Walsh7423c012016-10-04 10:27:21 -050024
25# Restore sys.path[0].
26sys.path.insert(0, save_path_0)
27# I use this variable in calls to print_var.
28hex = 1
29
Michael Walsh7423c012016-10-04 10:27:21 -050030# Create parser object to process command line parameters and args.
31
32# Create parser object.
33parser = argparse.ArgumentParser(
34 usage='%(prog)s [OPTIONS]',
35 description="%(prog)s will process the plug-in packages passed to it." +
36 " A plug-in package is essentially a directory containing" +
37 " one or more call point programs. Each of these call point" +
38 " programs must have a prefix of \"cp_\". When calling" +
39 " %(prog)s, a user must provide a call_point parameter" +
40 " (described below). For each plug-in package passed," +
41 " %(prog)s will check for the presence of the specified call" +
42 " point program in the plug-in directory. If it is found," +
43 " %(prog)s will run it. It is the responsibility of the" +
44 " caller to set any environment variables needed by the call" +
45 " point programs.\n\nAfter each call point program" +
46 " has been run, %(prog)s will print the following values in" +
47 " the following formats for use by the calling program:\n" +
48 " failed_plug_in_name: <failed plug-in value," +
49 " if any>\n shell_rc: " +
50 "<shell return code value of last call point program - this" +
51 " will be printed in hexadecimal format. Also, be aware" +
52 " that if a call point program returns a value it will be" +
53 " shifted left 2 bytes (e.g. rc of 2 will be printed as" +
54 " 0x00000200). That is because the rightmost byte is" +
Gunnar Mills917ba1a2018-04-08 16:42:12 -050055 " reserved for errors in calling the call point program" +
Michael Walsh7423c012016-10-04 10:27:21 -050056 " rather than errors generated by the call point program.>",
Michael Walshd0741f82017-12-21 14:04:21 -060057 formatter_class=argparse.ArgumentDefaultsHelpFormatter,
Michael Walshc33ef372017-01-10 11:46:29 -060058 prefix_chars='-+')
Michael Walsh7423c012016-10-04 10:27:21 -050059
60# Create arguments.
61parser.add_argument(
62 'plug_in_dir_paths',
63 nargs='?',
64 default="",
Michael Walshc33ef372017-01-10 11:46:29 -060065 help=plug_in_dir_paths_help_text + default_string)
Michael Walsh7423c012016-10-04 10:27:21 -050066
67parser.add_argument(
68 '--call_point',
69 default="setup",
70 required=True,
71 help='The call point program name. This value must not include the' +
72 ' "cp_" prefix. For each plug-in package passed to this program,' +
73 ' the specified call_point program will be called if it exists in' +
Michael Walshc33ef372017-01-10 11:46:29 -060074 ' the plug-in directory.' + default_string)
Michael Walsh7423c012016-10-04 10:27:21 -050075
76parser.add_argument(
Michael Walshed18ec72017-06-27 10:15:31 -050077 '--allow_shell_rc',
Michael Walsh7423c012016-10-04 10:27:21 -050078 default="0x00000000",
79 help='The user may supply a value other than zero to indicate an' +
80 ' acceptable non-zero return code. For example, if this value' +
81 ' equals 0x00000200, it means that for each plug-in call point that' +
82 ' runs, a 0x00000200 will not be counted as a failure. See note' +
Michael Walshc33ef372017-01-10 11:46:29 -060083 ' above regarding left-shifting of return codes.' + default_string)
Michael Walsh7423c012016-10-04 10:27:21 -050084
85parser.add_argument(
86 '--stop_on_plug_in_failure',
87 default=1,
88 type=int,
89 choices=[1, 0],
90 help='If this parameter is set to 1, this program will stop and return ' +
91 'non-zero if the call point program from any plug-in directory ' +
92 'fails. Conversely, if it is set to false, this program will run ' +
93 'the call point program from each and every plug-in directory ' +
94 'regardless of their return values. Typical example cases where ' +
95 'you\'d want to run all plug-in call points regardless of success ' +
Michael Walshc33ef372017-01-10 11:46:29 -060096 'or failure would be "cleanup" or "ffdc" call points.')
Michael Walsh7423c012016-10-04 10:27:21 -050097
98parser.add_argument(
99 '--stop_on_non_zero_rc',
100 default=0,
101 type=int,
102 choices=[1, 0],
103 help='If this parm is set to 1 and a plug-in call point program returns ' +
Michael Walshed18ec72017-06-27 10:15:31 -0500104 'a valid non-zero return code (see "allow_shell_rc" parm above),' +
105 ' this program will stop processing and return 0 (success). Since' +
106 ' this constitutes a successful exit, this would normally be used' +
107 ' where the caller wishes to stop processing if one of the plug-in' +
Michael Walsh7423c012016-10-04 10:27:21 -0500108 ' directory call point programs returns a special value indicating' +
109 ' that some special case has been found. An example might be in' +
110 ' calling some kind of "check_errl" call point program. Such a' +
111 ' call point program might return a 2 (i.e. 0x00000200) to indicate' +
112 ' that a given error log entry was found in an "ignore" list and is' +
113 ' therefore to be ignored. That being the case, no other' +
114 ' "check_errl" call point program would need to be called.' +
Michael Walshc33ef372017-01-10 11:46:29 -0600115 default_string)
Michael Walsh7423c012016-10-04 10:27:21 -0500116
117parser.add_argument(
118 '--mch_class',
119 default="obmc",
Michael Walshc33ef372017-01-10 11:46:29 -0600120 help=mch_class_help_text + default_string)
Michael Walsh7423c012016-10-04 10:27:21 -0500121
122# The stock_list will be passed to gen_get_options. We populate it with the
123# names of stock parm options we want. These stock parms are pre-defined by
124# gen_get_options.
125stock_list = [("test_mode", 0), ("quiet", 1), ("debug", 0)]
Michael Walsh7423c012016-10-04 10:27:21 -0500126
127
Michael Walsh7423c012016-10-04 10:27:21 -0500128def exit_function(signal_number=0,
129 frame=None):
Michael Walsh7423c012016-10-04 10:27:21 -0500130 r"""
131 Execute whenever the program ends normally or with the signals that we
132 catch (i.e. TERM, INT).
133 """
134
135 dprint_executing()
136 dprint_var(signal_number)
137
138 qprint_pgm_footer()
139
Michael Walsh7423c012016-10-04 10:27:21 -0500140
Michael Walsh7423c012016-10-04 10:27:21 -0500141def signal_handler(signal_number, frame):
Michael Walsh7423c012016-10-04 10:27:21 -0500142 r"""
143 Handle signals. Without a function to catch a SIGTERM or SIGINT, our
144 program would terminate immediately with return code 143 and without
145 calling our exit_function.
146 """
147
148 # Our convention is to set up exit_function with atexit.registr() so
149 # there is no need to explicitly call exit_function from here.
150
151 dprint_executing()
152
153 # Calling exit prevents us from returning to the code that was running
154 # when we received the signal.
155 exit(0)
156
Michael Walsh7423c012016-10-04 10:27:21 -0500157
Michael Walsh7423c012016-10-04 10:27:21 -0500158def validate_parms():
Michael Walsh7423c012016-10-04 10:27:21 -0500159 r"""
160 Validate program parameters, etc. Return True or False accordingly.
161 """
162
163 if not valid_value(call_point):
164 return False
165
Michael Walshed18ec72017-06-27 10:15:31 -0500166 global allow_shell_rc
167 if not valid_integer(allow_shell_rc):
Michael Walshc33ef372017-01-10 11:46:29 -0600168 return False
169
170 # Convert to hex string for consistency in printout.
Michael Walshed18ec72017-06-27 10:15:31 -0500171 allow_shell_rc = "0x%08x" % int(allow_shell_rc, 0)
172 set_pgm_arg(allow_shell_rc)
Michael Walshc33ef372017-01-10 11:46:29 -0600173
Michael Walsh7423c012016-10-04 10:27:21 -0500174 gen_post_validation(exit_function, signal_handler)
175
176 return True
177
Michael Walsh7423c012016-10-04 10:27:21 -0500178
Michael Walsh7423c012016-10-04 10:27:21 -0500179def run_pgm(plug_in_dir_path,
180 call_point,
Michael Walshed18ec72017-06-27 10:15:31 -0500181 allow_shell_rc):
Michael Walsh7423c012016-10-04 10:27:21 -0500182 r"""
183 Run the call point program in the given plug_in_dir_path. Return the
184 following:
185 rc The return code - 0 = PASS, 1 = FAIL.
186 shell_rc The shell return code returned by
187 process_plug_in_packages.py.
188 failed_plug_in_name The failed plug in name (if any).
189
190 Description of arguments:
191 plug_in_dir_path The directory path where the call_point
192 program may be located.
193 call_point The call point (e.g. "setup"). This
194 program will look for a program named
195 "cp_" + call_point in the
196 plug_in_dir_path. If no such call point
197 program is found, this function returns an
198 rc of 0 (i.e. success).
Michael Walshed18ec72017-06-27 10:15:31 -0500199 allow_shell_rc The user may supply a value other than
Michael Walsh7423c012016-10-04 10:27:21 -0500200 zero to indicate an acceptable non-zero
201 return code. For example, if this value
202 equals 0x00000200, it means that for each
203 plug-in call point that runs, a 0x00000200
204 will not be counted as a failure. See
205 note above regarding left-shifting of
206 return codes.
207 """
208
Michael Walsh97d5b362017-05-30 17:57:38 -0500209 global autoscript
210
Michael Walsh7423c012016-10-04 10:27:21 -0500211 rc = 0
212 failed_plug_in_name = ""
213 shell_rc = 0x00000000
214
Michael Walsh97d5b362017-05-30 17:57:38 -0500215 plug_in_name = os.path.basename(os.path.normpath(plug_in_dir_path))
Michael Walsh7423c012016-10-04 10:27:21 -0500216 cp_prefix = "cp_"
217 plug_in_pgm_path = plug_in_dir_path + cp_prefix + call_point
218 if not os.path.exists(plug_in_pgm_path):
219 # No such call point in this plug in dir path. This is legal so we
220 # return 0, etc.
221 return rc, shell_rc, failed_plug_in_name
222
223 # Get some stats on the file.
224 cmd_buf = "stat -c '%n %s %z' " + plug_in_pgm_path
Michael Walsha6723f22016-11-22 11:12:01 -0600225 dpissuing(cmd_buf)
Michael Walsh7423c012016-10-04 10:27:21 -0500226 sub_proc = subprocess.Popen(cmd_buf, shell=True, stdout=subprocess.PIPE,
Michael Walsha6723f22016-11-22 11:12:01 -0600227 stderr=subprocess.STDOUT)
Michael Walsh7423c012016-10-04 10:27:21 -0500228 out_buf, err_buf = sub_proc.communicate()
229 shell_rc = sub_proc.returncode
230 if shell_rc != 0:
231 rc = 1
232 print_var(shell_rc, hex)
Michael Walsh97d5b362017-05-30 17:57:38 -0500233 failed_plug_in_name = plug_in_name
Michael Walsh7423c012016-10-04 10:27:21 -0500234 print(out_buf)
Michael Walsh97d5b362017-05-30 17:57:38 -0500235 print_var(failed_plug_in_name)
236 print_var(shell_rc, hex)
Michael Walsh7423c012016-10-04 10:27:21 -0500237 return rc, shell_rc, failed_plug_in_name
238
Michael Walsha6723f22016-11-22 11:12:01 -0600239 print("------------------------------------------------- Starting plug-" +
240 "in -----------------------------------------------")
Michael Walsh7423c012016-10-04 10:27:21 -0500241 print(out_buf)
Michael Walsh97d5b362017-05-30 17:57:38 -0500242 if autoscript:
243 stdout = 1 - quiet
244 if AUTOBOOT_OPENBMC_NICKNAME != "":
245 autoscript_prefix = AUTOBOOT_OPENBMC_NICKNAME + "."
246 else:
247 autoscript_prefix = ""
248 autoscript_prefix += plug_in_name + ".cp_" + call_point
249 autoscript_subcmd = "autoscript --quiet=1 --show_url=y --prefix=" +\
250 autoscript_prefix + " --stdout=" + str(stdout) + " -- "
251 else:
252 autoscript_subcmd = ""
253
254 cmd_buf = "PATH=" + plug_in_dir_path + ":${PATH} ; " + autoscript_subcmd +\
255 cp_prefix + call_point
Michael Walsha6723f22016-11-22 11:12:01 -0600256 pissuing(cmd_buf)
Michael Walsh7423c012016-10-04 10:27:21 -0500257
Michael Walshbe6153b2016-12-09 13:36:22 -0600258 sub_proc = subprocess.Popen(cmd_buf, shell=True)
259 sub_proc.communicate()
Michael Walsh7423c012016-10-04 10:27:21 -0500260 shell_rc = sub_proc.returncode
Michael Walshc33ef372017-01-10 11:46:29 -0600261 # Shift to left.
262 shell_rc *= 0x100
Michael Walshed18ec72017-06-27 10:15:31 -0500263 if shell_rc != 0 and shell_rc != allow_shell_rc:
Michael Walsh7423c012016-10-04 10:27:21 -0500264 rc = 1
Michael Walsh97d5b362017-05-30 17:57:38 -0500265 failed_plug_in_name = plug_in_name
Michael Walsh7423c012016-10-04 10:27:21 -0500266
Michael Walsh7423c012016-10-04 10:27:21 -0500267 print("------------------------------------------------- Ending plug-in" +
268 " -------------------------------------------------")
Michael Walsh97d5b362017-05-30 17:57:38 -0500269 if failed_plug_in_name != "":
270 print_var(failed_plug_in_name)
271 print_var(shell_rc, hex)
Michael Walsh7423c012016-10-04 10:27:21 -0500272
273 return rc, shell_rc, failed_plug_in_name
274
Michael Walsh7423c012016-10-04 10:27:21 -0500275
Michael Walsh7423c012016-10-04 10:27:21 -0500276def main():
Michael Walsh7423c012016-10-04 10:27:21 -0500277 r"""
278 This is the "main" function. The advantage of having this function vs
279 just doing this in the true mainline is that you can:
280 - Declare local variables
281 - Use "return" instead of "exit".
282 - Indent 4 chars like you would in any function.
283 This makes coding more consistent, i.e. it's easy to move code from here
284 into a function and vice versa.
285 """
286
287 if not gen_get_options(parser, stock_list):
288 return False
289
290 if not validate_parms():
291 return False
292
293 qprint_pgm_header()
294
295 # Access program parameter globals.
296 global plug_in_dir_paths
297 global mch_class
Michael Walshed18ec72017-06-27 10:15:31 -0500298 global allow_shell_rc
Michael Walsh7423c012016-10-04 10:27:21 -0500299 global stop_on_plug_in_failure
300 global stop_on_non_zero_rc
301
302 plug_in_packages_list = return_plug_in_packages_list(plug_in_dir_paths,
303 mch_class)
304
305 qpvar(plug_in_packages_list)
Michael Walsh7423c012016-10-04 10:27:21 -0500306 qprint("\n")
307
Michael Walshed18ec72017-06-27 10:15:31 -0500308 allow_shell_rc = int(allow_shell_rc, 0)
Michael Walsha6723f22016-11-22 11:12:01 -0600309 shell_rc = 0
Michael Walsh7423c012016-10-04 10:27:21 -0500310 failed_plug_in_name = ""
311
Michael Walsh97d5b362017-05-30 17:57:38 -0500312 # If the autoscript program is present, we will use it to direct call point
313 # program output to a separate status file. This keeps the output of the
314 # main program (i.e. OBMC Boot Test) cleaner and yet preserves call point
315 # output if it is needed for debug.
316 global autoscript
317 global AUTOBOOT_OPENBMC_NICKNAME
318 autoscript = 0
319 AUTOBOOT_OPENBMC_NICKNAME = ""
320 rc, out_buf = cmd_fnc("which autoscript", quiet=1, print_output=0,
321 show_err=0)
322 if rc == 0:
323 autoscript = 1
324 AUTOBOOT_OPENBMC_NICKNAME = os.environ.get("AUTOBOOT_OPENBMC_NICKNAME",
325 "")
Michael Walsh7423c012016-10-04 10:27:21 -0500326 ret_code = 0
327 for plug_in_dir_path in plug_in_packages_list:
328 rc, shell_rc, failed_plug_in_name = \
Michael Walshed18ec72017-06-27 10:15:31 -0500329 run_pgm(plug_in_dir_path, call_point, allow_shell_rc)
Michael Walsh7423c012016-10-04 10:27:21 -0500330 if rc != 0:
331 ret_code = 1
332 if stop_on_plug_in_failure:
333 break
334 if shell_rc != 0 and stop_on_non_zero_rc:
335 qprint_time("Stopping on non-zero shell return code as requested" +
336 " by caller.\n")
337 break
338
339 if ret_code == 0:
340 return True
341 else:
342 if not stop_on_plug_in_failure:
343 # We print a summary error message to make the failure more
344 # obvious.
Michael Walsh97d5b362017-05-30 17:57:38 -0500345 print_error("At least one plug-in failed.\n")
Michael Walsh7423c012016-10-04 10:27:21 -0500346 return False
347
Michael Walsh7423c012016-10-04 10:27:21 -0500348
Michael Walsh7423c012016-10-04 10:27:21 -0500349# Main
350
351if not main():
352 exit(1)