def print_env(fd=sys.stderr):
""" Dump the environment. """
dct = os.environ
fd.write("\nEnvironment for PID=%d on exception:\n" % os.getpid())
el = dct.keys()
el.sort()
for k in el:
fd.write("%s = %s\n" % (to_string(k), to_string(dct[k])))
def print_env(fd=sys.stderr):
""" Dump the environment. """
dct = os.environ
fd.write("\nEnvironment for PID=%d on exception:\n" % os.getpid())
el = dct.keys()
el.sort()
for k in el:
fd.write("%s = %s\n" % (to_string(k), to_string(dct[k])))
def send(headers, body, sender = None):
(headers, toaddrs) = __check_headers(headers)
if sender is None:
sender = headers["From"]
joined_headers = u''
for h in headers.keys():
joined_headers += u"%s: %s\n" % (h, headers[h])
server = smtplib.SMTP('localhost')
msg = "%s\n%s\n" % (to_string(joined_headers), to_string(body))
server.sendmail(sender, toaddrs, msg)
server.quit()
def print_req(req, fd=sys.stderr):
""" get some debugging information about the current exception for sending
out when we raise an exception
"""
fd.write("Request object information:\n")
fd.write("URI: %s\n" % req.unparsed_uri)
fd.write("Remote Host: %s\nServer Name: %s:%d\n" % (
req.get_remote_host(), req.server.server_hostname, req.server.port))
fd.write("Headers passed in:\n")
kl = req.headers_in.keys()
kl.sort()
for k in kl:
fd.write("\t%s: %s\n" % (to_string(k), to_string(req.headers_in[k])))
return 0
def print_req(req, fd=sys.stderr):
""" get some debugging information about the current exception for sending
out when we raise an exception
"""
fd.write("Request object information:\n")
fd.write("URI: %s\n" % req.unparsed_uri)
fd.write(
"Remote Host: %s\nServer Name: %s:%d\n" %
(req.get_remote_host(), req.server.server_hostname, req.server.port))
fd.write("Headers passed in:\n")
kl = req.headers_in.keys()
kl.sort()
for k in kl:
fd.write("\t%s: %s\n" % (to_string(k), to_string(req.headers_in[k])))
return 0
def print_locals(fd=sys.stderr, tb=None):
""" Dump a listing of all local variables and their value for better debugging
chance.
"""
if tb is None:
tb = sys.exc_info()[2]
stack = []
# walk the traceback to the end
while 1:
if not tb.tb_next:
break
tb = tb.tb_next
# and now start extracting the stack frames
f = tb.tb_frame
while f:
stack.append(f)
f = f.f_back
fd.write("\nLocal variables by frame\n")
for frame in stack:
fd.write("Frame %s in %s at line %s\n" % (frame.f_code.co_name,
frame.f_code.co_filename,
frame.f_lineno))
for key, value in frame.f_locals.items():
fd.write("\t%20s = " % to_string(key))
# We have to be careful not to cause a new error in our error
# printer! Calling str() on an unknown object could cause an
# error we don't want.
# pylint: disable=W0702
try:
s = str(to_string(value))
except:
s = "<ERROR WHILE PRINTING VALUE>"
if len(s) > 100 * 1024:
s = "<ERROR WHILE PRINTING VALUE: string representation too large>"
fd.write("%s %s\n" % (type(value), s))
fd.write("\n")
def print_locals(fd=sys.stderr, tb=None):
""" Dump a listing of all local variables and their value for better debugging
chance.
"""
if tb is None:
tb = sys.exc_info()[2]
stack = []
# walk the traceback to the end
while 1:
if not tb.tb_next:
break
tb = tb.tb_next
# and now start extracting the stack frames
f = tb.tb_frame
while f:
stack.append(f)
f = f.f_back
fd.write("\nLocal variables by frame\n")
for frame in stack:
fd.write(
"Frame %s in %s at line %s\n" %
(frame.f_code.co_name, frame.f_code.co_filename, frame.f_lineno))
for key, value in frame.f_locals.items():
fd.write("\t%20s = " % to_string(key))
# We have to be careful not to cause a new error in our error
# printer! Calling str() on an unknown object could cause an
# error we don't want.
# pylint: disable=W0702
try:
s = str(to_string(value))
except:
s = "<ERROR WHILE PRINTING VALUE>"
if len(s) > 100 * 1024:
s = "<ERROR WHILE PRINTING VALUE: string representation too large>"
fd.write("%s %s\n" % (type(value), s))
fd.write("\n")
def Traceback(method=None, req=None, mail=1, ostream=sys.stderr,
extra=None, severity="notification", with_locals=0):
""" Reports an traceback error and optionally sends mail about it.
NOTE: extra = extra text information.
"""
# pylint: disable=C0103
global QUIET_MAIL
if mail:
# safeguard
if QUIET_MAIL is None:
QUIET_MAIL = CFG.QUIET_MAIL
if QUIET_MAIL < 0:
QUIET_MAIL = 0
if QUIET_MAIL == 0: # make sure we don't mail
mail = 0
e_type = sys.exc_info()[:2][0]
t = time.ctime(time.time())
exc = StringIO()
unicode_hostname = idn_puny_to_unicode(hostname)
exc.write("Exception reported from %s\nTime: %s\n" % (to_string(unicode_hostname), t))
exc.write("Exception type %s\n" % to_string(e_type))
if method:
exc.write("Exception while handling function %s\n" % to_string(method))
# print information about the request being served
if req:
print_req(req, exc)
if extra:
exc.write("Extra information about this error:\n%s\n" % to_string(extra))
# Print the traceback
exc.write("\nException Handler Information\n")
traceback.print_exc(None, exc)
if with_locals and not mail:
# The mail case will call print_locals by itself
print_locals(exc)
# we always log it somewhere
if ostream:
ostream.write(to_string(exc.getvalue()))
ostream.write("\n")
if mail:
# print the stack frames for the mail we send out
print_locals(exc)
# dump the environment
print_env(exc)
# and send the mail
# build the headers
to = CFG.TRACEBACK_MAIL
fr = to
if isinstance(to, type([])):
fr = to[0].strip()
to = ', '.join([x.strip() for x in to])
headers = {
"Subject": "%s TRACEBACK from %s" % (PRODUCT_NAME, unicode_hostname),
"From": "%s <%s>" % (hostname, fr),
"To": to,
"X-RHN-Traceback-Severity": severity,
"Content-Type": 'text/plain; charset="utf-8"',
}
QUIET_MAIL = QUIET_MAIL - 1 # count it no matter what
outstring = to_string(exc.getvalue())
# 5/18/05 wregglej - 151158 Go through every string in the security list
# and censor it out of the debug information.
outstring = censor_string(outstring)
rhnMail.send(headers, outstring)
exc.close()
return
def Traceback(method=None,
req=None,
mail=1,
ostream=sys.stderr,
extra=None,
severity="notification",
with_locals=0):
""" Reports an traceback error and optionally sends mail about it.
NOTE: extra = extra text information.
"""
# pylint: disable=C0103
global QUIET_MAIL
if mail:
# safeguard
if QUIET_MAIL is None:
QUIET_MAIL = CFG.QUIET_MAIL
if QUIET_MAIL < 0:
QUIET_MAIL = 0
if QUIET_MAIL == 0: # make sure we don't mail
mail = 0
e_type = sys.exc_info()[:2][0]
t = time.ctime(time.time())
exc = StringIO()
unicode_hostname = idn_puny_to_unicode(hostname)
exc.write("Exception reported from %s\nTime: %s\n" %
(to_string(unicode_hostname), t))
exc.write("Exception type %s\n" % to_string(e_type))
if method:
exc.write("Exception while handling function %s\n" % to_string(method))
# print information about the request being served
if req:
print_req(req, exc)
if extra:
exc.write("Extra information about this error:\n%s\n" %
to_string(extra))
# Print the traceback
exc.write("\nException Handler Information\n")
traceback.print_exc(None, exc)
if with_locals and not mail:
# The mail case will call print_locals by itself
print_locals(exc)
# we always log it somewhere
if ostream:
ostream.write(to_string(exc.getvalue()))
ostream.write("\n")
if mail:
# print the stack frames for the mail we send out
print_locals(exc)
# dump the environment
print_env(exc)
# and send the mail
# build the headers
to = CFG.TRACEBACK_MAIL
fr = to
if isinstance(to, type([])):
fr = to[0].strip()
to = ', '.join([x.strip() for x in to])
headers = {
"Subject":
"%s TRACEBACK from %s" % (PRODUCT_NAME, unicode_hostname),
"From": "%s <%s>" % (hostname, fr),
"To": to,
"X-RHN-Traceback-Severity": severity,
"Content-Type": 'text/plain; charset="utf-8"',
}
QUIET_MAIL = QUIET_MAIL - 1 # count it no matter what
outstring = to_string(exc.getvalue())
# 5/18/05 wregglej - 151158 Go through every string in the security list
# and censor it out of the debug information.
outstring = censor_string(outstring)
rhnMail.send(headers, outstring)
exc.close()
return
