blob: b03290ccc6e529ff18dc0e97e007bebed5344ce4 [file] [log] [blame]
#!/usr/bin/env python
import sys
try:
import __builtin__
except ImportError:
import builtins as __builtin__
import subprocess
import os
import argparse
# python puts the program's directory path in sys.path[0]. In other words,
# the user ordinarily has no way to override python's choice of a module from
# its own dir. We want to have that ability in our environment. However, we
# don't want to break any established python modules that depend on this
# behavior. So, we'll save the value from sys.path[0], delete it, import our
# modules and then restore sys.path to its original value.
save_path_0 = sys.path[0]
del sys.path[0]
from gen_print import *
from gen_valid import *
from gen_arg import *
from gen_plug_in import *
from gen_cmd import *
from gen_misc import *
# Restore sys.path[0].
sys.path.insert(0, save_path_0)
# Create parser object to process command line parameters and args.
# Create parser object.
parser = argparse.ArgumentParser(
usage='%(prog)s [OPTIONS]',
description="%(prog)s will process the plug-in packages passed to it."
+ " A plug-in package is essentially a directory containing"
+ " one or more call point programs. Each of these call point"
+ " programs must have a prefix of \"cp_\". When calling"
+ " %(prog)s, a user must provide a call_point parameter"
+ " (described below). For each plug-in package passed,"
+ " %(prog)s will check for the presence of the specified call"
+ " point program in the plug-in directory. If it is found,"
+ " %(prog)s will run it. It is the responsibility of the"
+ " caller to set any environment variables needed by the call"
+ " point programs.\n\nAfter each call point program"
+ " has been run, %(prog)s will print the following values in"
+ " the following formats for use by the calling program:\n"
+ " failed_plug_in_name: <failed plug-in value,"
+ " if any>\n shell_rc: "
+ "<shell return code value of last call point program - this"
+ " will be printed in hexadecimal format. Also, be aware"
+ " that if a call point program returns a value it will be"
+ " shifted left 2 bytes (e.g. rc of 2 will be printed as"
+ " 0x00000200). That is because the rightmost byte is"
+ " reserved for errors in calling the call point program"
+ " rather than errors generated by the call point program.>",
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
prefix_chars='-+')
# Create arguments.
parser.add_argument(
'plug_in_dir_paths',
nargs='?',
default="",
help=plug_in_dir_paths_help_text + default_string)
parser.add_argument(
'--call_point',
default="setup",
required=True,
help='The call point program name. This value must not include the'
+ ' "cp_" prefix. For each plug-in package passed to this program,'
+ ' the specified call_point program will be called if it exists in'
+ ' the plug-in directory.' + default_string)
parser.add_argument(
'--allow_shell_rc',
default="0x00000000",
help='The user may supply a value other than zero to indicate an'
+ ' acceptable non-zero return code. For example, if this value'
+ ' equals 0x00000200, it means that for each plug-in call point that'
+ ' runs, a 0x00000200 will not be counted as a failure. See note'
+ ' above regarding left-shifting of return codes.' + default_string)
parser.add_argument(
'--stop_on_plug_in_failure',
default=1,
type=int,
choices=[1, 0],
help='If this parameter is set to 1, this program will stop and return '
+ 'non-zero if the call point program from any plug-in directory '
+ 'fails. Conversely, if it is set to false, this program will run '
+ 'the call point program from each and every plug-in directory '
+ 'regardless of their return values. Typical example cases where '
+ 'you\'d want to run all plug-in call points regardless of success '
+ 'or failure would be "cleanup" or "ffdc" call points.')
parser.add_argument(
'--stop_on_non_zero_rc',
default=0,
type=int,
choices=[1, 0],
help='If this parm is set to 1 and a plug-in call point program returns '
+ 'a valid non-zero return code (see "allow_shell_rc" parm above),'
+ ' this program will stop processing and return 0 (success). Since'
+ ' this constitutes a successful exit, this would normally be used'
+ ' where the caller wishes to stop processing if one of the plug-in'
+ ' directory call point programs returns a special value indicating'
+ ' that some special case has been found. An example might be in'
+ ' calling some kind of "check_errl" call point program. Such a'
+ ' call point program might return a 2 (i.e. 0x00000200) to indicate'
+ ' that a given error log entry was found in an "ignore" list and is'
+ ' therefore to be ignored. That being the case, no other'
+ ' "check_errl" call point program would need to be called.'
+ default_string)
parser.add_argument(
'--mch_class',
default="obmc",
help=mch_class_help_text + default_string)
# The stock_list will be passed to gen_get_options. We populate it with the
# names of stock parm options we want. These stock parms are pre-defined by
# gen_get_options.
stock_list = [("test_mode", 0), ("quiet", 1), ("debug", 0)]
def exit_function(signal_number=0,
frame=None):
r"""
Execute whenever the program ends normally or with the signals that we
catch (i.e. TERM, INT).
"""
dprint_executing()
dprint_var(signal_number)
qprint_pgm_footer()
def signal_handler(signal_number, frame):
r"""
Handle signals. Without a function to catch a SIGTERM or SIGINT, our
program would terminate immediately with return code 143 and without
calling our exit_function.
"""
# Our convention is to set up exit_function with atexit.registr() so
# there is no need to explicitly call exit_function from here.
dprint_executing()
# Calling exit prevents us from returning to the code that was running
# when we received the signal.
exit(0)
def validate_parms():
r"""
Validate program parameters, etc. Return True or False accordingly.
"""
if not valid_value(call_point):
return False
global allow_shell_rc
if not valid_integer(allow_shell_rc):
return False
# Convert to hex string for consistency in printout.
allow_shell_rc = "0x%08x" % int(allow_shell_rc, 0)
set_pgm_arg(allow_shell_rc)
gen_post_validation(exit_function, signal_handler)
return True
def run_pgm(plug_in_dir_path,
call_point,
allow_shell_rc):
r"""
Run the call point program in the given plug_in_dir_path. Return the
following:
rc The return code - 0 = PASS, 1 = FAIL.
shell_rc The shell return code returned by
process_plug_in_packages.py.
failed_plug_in_name The failed plug in name (if any).
Description of arguments:
plug_in_dir_path The directory path where the call_point
program may be located.
call_point The call point (e.g. "setup"). This
program will look for a program named
"cp_" + call_point in the
plug_in_dir_path. If no such call point
program is found, this function returns an
rc of 0 (i.e. success).
allow_shell_rc The user may supply a value other than
zero to indicate an acceptable non-zero
return code. For example, if this value
equals 0x00000200, it means that for each
plug-in call point that runs, a 0x00000200
will not be counted as a failure. See
note above regarding left-shifting of
return codes.
"""
rc = 0
failed_plug_in_name = ""
shell_rc = 0x00000000
plug_in_name = os.path.basename(os.path.normpath(plug_in_dir_path))
cp_prefix = "cp_"
plug_in_pgm_path = plug_in_dir_path + cp_prefix + call_point
if not os.path.exists(plug_in_pgm_path):
# No such call point in this plug in dir path. This is legal so we
# return 0, etc.
return rc, shell_rc, failed_plug_in_name
print("------------------------------------------------- Starting plug-"
+ "in -----------------------------------------------")
print_timen("Running " + plug_in_name + "/" + cp_prefix + call_point + ".")
stdout = 1 - quiet
if AUTOBOOT_OPENBMC_NICKNAME != "":
auto_status_file_prefix = AUTOBOOT_OPENBMC_NICKNAME + "."
else:
auto_status_file_prefix = ""
auto_status_file_prefix += plug_in_name + ".cp_" + call_point
status_dir_path =\
add_trailing_slash(os.environ.get("STATUS_DIR_PATH",
os.environ['HOME']
+ "/status/"))
if not os.path.isdir(status_dir_path):
AUTOBOOT_EXECDIR = \
add_trailing_slash(os.environ.get("AUTOBOOT_EXECDIR", ""))
status_dir_path = AUTOBOOT_EXECDIR + "logs/"
if not os.path.exists(status_dir_path):
os.makedirs(status_dir_path)
status_file_name = auto_status_file_prefix + "." + file_date_time_stamp() \
+ ".status"
auto_status_file_subcmd = "auto_status_file.py --status_dir_path=" \
+ status_dir_path + " --status_file_name=" + status_file_name \
+ " --quiet=1 --show_url=1 --prefix=" \
+ auto_status_file_prefix + " --stdout=" + str(stdout) + " "
cmd_buf = "PATH=" + plug_in_dir_path.rstrip("/") + ":${PATH} ; " +\
auto_status_file_subcmd + cp_prefix + call_point
print_issuing(cmd_buf)
sub_proc = subprocess.Popen(cmd_buf, shell=True)
sub_proc.communicate()
shell_rc = sub_proc.returncode
# Shift to left.
shell_rc *= 0x100
if shell_rc != 0 and shell_rc != allow_shell_rc:
rc = 1
failed_plug_in_name = plug_in_name + "/" + cp_prefix + call_point
if shell_rc != 0:
failed_plug_in_name = plug_in_name + "/" + cp_prefix + call_point
if failed_plug_in_name != "" and not stdout:
# Use tail to avoid double-printing of status_file_url.
shell_cmd("tail -n +2 " + status_dir_path + status_file_name, quiet=1,
print_output=1)
print("------------------------------------------------- Ending plug-in"
+ " -------------------------------------------------")
if failed_plug_in_name != "":
print_var(failed_plug_in_name)
print_var(shell_rc, hexa())
return rc, shell_rc, failed_plug_in_name
def main():
r"""
This is the "main" function. The advantage of having this function vs
just doing this in the true mainline is that you can:
- Declare local variables
- Use "return" instead of "exit".
- Indent 4 chars like you would in any function.
This makes coding more consistent, i.e. it's easy to move code from here
into a function and vice versa.
"""
if not gen_get_options(parser, stock_list):
return False
if not validate_parms():
return False
qprint_pgm_header()
# Access program parameter globals.
global plug_in_dir_paths
global mch_class
global allow_shell_rc
global stop_on_plug_in_failure
global stop_on_non_zero_rc
plug_in_packages_list = return_plug_in_packages_list(plug_in_dir_paths,
mch_class)
qprint_var(plug_in_packages_list)
qprint("\n")
allow_shell_rc = int(allow_shell_rc, 0)
shell_rc = 0
failed_plug_in_name = ""
global AUTOBOOT_OPENBMC_NICKNAME
AUTOBOOT_OPENBMC_NICKNAME = os.environ.get("AUTOBOOT_OPENBMC_NICKNAME", "")
ret_code = 0
for plug_in_dir_path in plug_in_packages_list:
rc, shell_rc, failed_plug_in_name = \
run_pgm(plug_in_dir_path, call_point, allow_shell_rc)
if rc != 0:
ret_code = 1
if stop_on_plug_in_failure:
break
if shell_rc != 0 and stop_on_non_zero_rc:
qprint_time("Stopping on non-zero shell return code as requested"
+ " by caller.\n")
break
if ret_code == 0:
return True
else:
print_error("At least one plug-in failed.\n")
return False
# Main
if not main():
exit(1)