timestamp_re = re.compile(r"^(\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d\.\d+Z) (.*)")
def logtail(logcollection, logger, header, maxlen=25):
- logtail = deque([], maxlen*len(logcollection))
+ if len(logcollection) == 0:
+ logger.info(header)
+ logger.info(" ** log is empty **")
+ return
+
containersapi = ("crunch-run.txt" in logcollection)
+ mergelogs = {}
for log in logcollection.keys():
if not containersapi or log in ("crunch-run.txt", "stdout.txt", "stderr.txt"):
logname = log[:-4]
+ logt = deque([], maxlen)
+ mergelogs[logname] = logt
with logcollection.open(log) as f:
for l in f:
if containersapi:
g = timestamp_re.match(l)
- logtail.append("%s %s %s" % (g.group(1), logname, g.group(2)))
+ logt.append((g.group(1), g.group(2)))
elif not crunchstat_re.match(l):
- logtail.append(l)
- if len(logcollection) > 1:
- logtail = sorted(logtail)[-maxlen:]
- logtxt = "\n ".join(l.strip() for l in logtail)
+ logt.append(l)
+
+ if containersapi:
+ keys = mergelogs.keys()
+ loglines = []
+ while True:
+ earliest = None
+ for k in keys:
+ if mergelogs[k]:
+ if earliest is None or mergelogs[k][0][0] < mergelogs[earliest][0][0]:
+ earliest = k
+ if earliest is None:
+ break
+ ts, msg = mergelogs[earliest].popleft()
+ loglines.append("%s %s %s" % (ts, earliest, msg))
+ loglines = loglines[-maxlen:]
+ else:
+ loglines = mergelogs.values()[0]
+
+ logtxt = "\n ".join(l.strip() for l in loglines)
logger.info(header)
logger.info("\n %s", logtxt)