def check_path(path, verbose=False, plugin=True, xof=True):
"""
If plugin is True, we want to log and store, which tcc_report does by
default so we leave those flags alone.
If plugin is False, we're interactive and we want to write any report to
stdout. However, we only make a report if 1) verbose is True, or 2) the
counts don't match.
"""
cosinfo = get_cos_info()
nsobj = path_nsobject(path)
try:
bfl = get_bitfile_set(int(nsobj), 1)
except U.HpssicError as e:
if plugin:
CrawlConfig.log(e.value)
return
elif xof:
raise SystemExit(e.value)
else:
raise U.HpssicError(e.value)
bf = U.pop0(bfl)
sc_count = int(bf['SC_COUNT'])
cos_count = int(cosinfo[bf['BFATTR_COS_ID']])
if plugin and sc_count != cos_count:
tcc_report(bf, path=path)
elif not plugin and (verbose or sc_count != cos_count):
print(tcc_report(bf, path=path, log=False, store=False))
def get_bitfile_path(bitfile):
"""
Given a bitfile id, walk back up the tree in HPSS to generate the bitfile's
path
"""
db = CrawlDBI.DBI(dbtype='hpss', dbname='sub')
rows = db.select(table='nsobject',
fields=['parent_id', 'name'],
where='bitfile_id = ?',
data=(bitfile, ))
if 1 < len(rows):
raise U.HpssicError(MSG.multiple_objects_S % hexstr(bitfile))
elif len(rows) < 1:
return ("<unnamed bitfile>")
rval = ''
while rows:
x = rows[0]
if rval == '':
rval = x['NAME']
else:
rval = os.path.join(x['NAME'], rval)
rows = db.select(table='nsobject',
fields=['parent_id', 'name'],
where='object_id = ?',
data=(x['PARENT_ID'], ))
return rval
def history_show(rptfmt):
"""
Report the records in the history table in chronological order
"""
funcname = 'history_show_' + rptfmt
if funcname in globals():
func = globals()[funcname]
func()
else:
raise U.HpssicError(history_invalid_format_S % rptfmt)
def handle_exception(exc, defval):
if type(defval) == int:
rval = defval
# log(str(e) + '; using default value %d' % defval)
elif type(defval) == float:
rval = defval
# log(str(e) + '; using default value %f' % defval)
elif defval is not None:
raise U.HpssicError(MSG.default_int_float)
else:
exc.message += " in %s" % self.filename
raise
return rval
def get_bitfile_set(first_nsobj_id, limit):
"""
Get a collection of bitfiles from DB2 returning a dict. The bitfiles in the
set begin with object_id first_nsobj_id and end with the one before
last_nsobj_id.
"""
db = CrawlDBI.DBI(dbtype='hpss', dbname='sub')
bfid_list = nsobject_lookup(first_nsobj_id, limit, dbh=db)
if 0 == len(bfid_list):
db.close()
raise U.HpssicError(MSG.not_in_nsobject_D % first_nsobj_id)
n_found = bitfile_lookup(bfid_list, dbh=db)
if 0 == n_found:
db.close()
raise U.HpssicError(MSG.not_in_bitfile_S % bfid_list[0])
rval = db.select(table=['nsobject A', 'bitfile B', 'bftapeseg C'],
fields=[
'A.object_id', 'B.bfid', 'B.bfattr_cos_id',
'B.bfattr_create_time',
'count(C.storage_class) as sc_count'
],
where="A.bitfile_id = B.bfid and B.bfid = C.bfid and " +
"B.bfattr_data_len > 0 and C.bf_offset = 0 and " +
"? <= A.object_id and A.object_id < ? ",
groupby=", ".join([
"A.object_id", "B.bfid", "B.bfattr_cos_id",
"B.bfattr_create_time"
]),
data=(first_nsobj_id, first_nsobj_id + limit),
limit=limit)
db.close()
if 0 == len(rval):
raise U.HpssicError(MSG.not_in_bftapeseg_S % bfid_list[0])
return rval
def by_bitfile_id(bfid):
"""
Get info about a bitfile from DB2 returning a dict.
"""
bfid_val = CrawlDBI.DBIdb2.hexval(bfid)
db = CrawlDBI.DBI(dbtype='hpss', dbname='sub')
rval = db.select(
table=['nsobject A', 'bitfile B', 'bftapeseg C'],
fields=[
'A.object_id', 'B.bfid', 'B.bfattr_cos_id', 'B.bfattr_create_time',
'count(C.storage_class) as sc_count'
],
where="A.bitfile_id = B.bfid and B.bfid = C.bfid and " +
"B.bfattr_data_len > 0 and C.bf_offset = 0 and " + "A.bitfile_id = ?",
groupby=", ".join([
"A.object_id", "B.bfid", "B.bfattr_cos_id", "B.bfattr_create_time"
]),
data=(bfid_val, ))
if 1 < len(rval):
raise U.HpssicError(MSG.multiple_objects_S % bfid)
elif len(rval) < 1:
raise U.HpssicError(MSG.no_bitfile_found_S % bfid)
return rval[0]
def path_nsobject(path=''):
"""
Look up an nsobject id based on a path
"""
if not path.startswith('/'):
raise U.HpssicError("An absolute path is required")
# break the path into its components with '/' at the beginning
nl = ['/'] + [z for z in path.lstrip('/').split(os.path.sep)]
parent_id = None
# walk down the tree structure to the leaf
for name in nl:
(obj_id, parent_id) = nsobj_id(name=name, parent=parent_id)
parent_id = obj_id
# return the bottom object id
return obj_id
def stop_wait(cfg=None):
"""
Watch for the crawler's exit file to disappear. If it's still there after
the timeout period, give up and throw an exception.
"""
if cfg is None:
cfg = CrawlConfig.get_config()
context = cfg.get('crawler', 'context')
exitpath = cfg.get('crawler', 'exitpath')
timeout = cfg.get_time('crawler', 'stopwait_timeout', 5.0)
sleep_time = cfg.get_time('crawler', 'sleep_time', 0.25)
lapse = 0.0
while is_running(context) and lapse < timeout:
time.sleep(sleep_time)
lapse += sleep_time
if is_running(context) and timeout <= lapse:
raise util.HpssicError("Stop wait timeout exceeded")
def nsobj_id(name='', parent=None):
"""
Look up an nsobject id based on name and, optionally, parent id
"""
db = CrawlDBI.DBI(dbtype='hpss', dbname='sub')
if name == '':
return -1
elif name != '' and parent is None:
where = "name = '%s'" % name
elif name != '' and parent is not None:
where = "name = '%s' and parent_id=%d" % (name, parent)
rows = db.select(table='hpss.nsobject',
fields=['object_id', 'parent_id'],
where=where)
db.close()
try:
rval = (rows[0]['OBJECT_ID'], rows[0]['PARENT_ID'])
except IndexError:
raise U.HpssicError(MSG.no_such_path_component_SD % (name, parent))
return rval
def tpop_select_by_paths(path_l, db=None):
"""
Return a list checkable rows that match the path list where ttypes
and/or cart is null.
"""
if type(path_l) != list:
raise U.HpssicError(MSG.list_expected_S % type(path_l))
close = False
if db is None:
db = CrawlDBI.DBI(dbtype='crawler')
close = True
rval = []
for path in path_l:
rows = db.select(
table="checkables",
fields=["path", "type", "ttypes", "cart", "last_check"],
where="path like ? and type = 'f' and " +
"(ttypes is NULL or cart is NULL)",
data=(path, ))
rval.extend(rows)
if close:
db.close()
return rval
def send(to='', subj='', msg='', sender='', cfg=None):
"""
Send e-mail as indicated
sender precedence: argument, cfg, default value; if type(sender) is not
str, throw the exception
"""
if type(to) != str:
raise util.HpssicError(MSG.invalid_recip_list)
if sender is not None and type(sender) != str:
raise util.HpssicError(MSG.invalid_sender_S % str(sender))
if type(msg) != str:
raise util.HpssicError(MSG.invalid_msg_body)
if subj is not None and type(subj) != str:
raise util.HpssicError(MSG.invalid_subject_S % str(subj))
# Prepare a message object based on *msg*
if msg:
payload = email.mime.text.MIMEText(msg)
else:
payload = email.mime.text.MIMEText(MSG.empty_message)
# Set the recipient address(es) based on *to*
default_recip = '*****@*****.**'
if to == '':
if cfg is None:
raise util.HpssicError(MSG.no_recip_list)
else:
(section, option) = ('crawler', 'notify-e-mail')
addrs = cfg.get(section, option)
elif ',' in to or '@' in to:
addrs = to
elif '.' in to:
if cfg is None:
addrs = default_recip
else:
(section, option) = to.split('.')
addrs = cfg.get_d(section, option, default_recip)
addrlist = [x.strip() for x in addrs.split(',')]
payload['To'] = addrs
# Set the subject based on *subj*
if subj:
payload['Subject'] = subj
else:
payload['Subject'] = MSG.default_mail_subject
# Set the from address
default_sender = 'hpssic@%s' % util.hostname(long=True)
if sender is None or sender == '':
if cfg is not None:
sender = cfg.get_d('crawler', 'from_address', default_sender)
else:
sender = default_sender
elif '@' not in sender:
raise util.HpssicError(MSG.invalid_sender_S % str(sender))
payload['From'] = sender
# Send the message
s = smtplib.SMTP('localhost')
s.sendmail(sender, addrlist, payload.as_string())
s.quit()
# Log it
CrawlConfig.log("sent mail to %s", addrs)
