def get_intervals(self):
fh = gzip.GzipFile(self.fs_path, 'rb')
try:
info = whisper.__readHeader(fh) # evil, but necessary.
finally:
fh.close()
start = time.time() - info['maxRetention']
end = max( os.stat(self.fs_path).st_mtime, start )
return IntervalSet( [Interval(start, end)] )
def get_intervals(self):
fh = gzip.GzipFile(self.fs_path, 'rb')
try:
info = whisper.__readHeader(fh) # evil, but necessary.
finally:
fh.close()
start = time.time() - info['maxRetention']
end = max( os.stat(self.fs_path).st_mtime, start )
return IntervalSet( [Interval(start, end)] )
def do_scale(fname):
with open(fname, 'r+b') as fh:
header = __readHeader(fh)
for archive in header['archives']:
assert pointSize * archive['points'] == archive['size']
fh.seek(archive['offset'])
for n in range(archive['points']):
time, value = unpack(pointFormat, fh.read(pointSize))
fh.seek(-pointSize, 1)
fh.write(pack(pointFormat, time, value * 1024))
def getIntervals(self):
if not gzip:
return []
fh = gzip.GzipFile(self.fs_path, 'rb')
try:
start = time.time() - whisper.__readHeader(fh)['maxRetention']
end = max(os.stat(self.fs_path).st_mtime, start)
finally:
fh.close()
return [(start, end)]
def getIntervals(self):
if not gzip:
return []
fh = gzip.GzipFile(self.fs_path, 'rb')
try:
start = time.time() - whisper.__readHeader(fh)['maxRetention']
end = max( os.stat(self.fs_path).st_mtime, start )
finally:
fh.close()
return [ (start, end) ]
def set_xff(path, xff):
with open(path) as f:
header = whisper.__readHeader(f)
agg_method = header['aggregationMethod']
old_xff = header['xFilesFactor']
try:
whisper.setAggregationMethod(path, agg_method, xff)
except IOError as e:
sys.stderr.write("[ERROR] file '%s' not exist!\n" % path)
option_parser.print_help()
sys.exit(1)
except whisper.WhisperException as e:
raise SystemExit("[ERROR] %s" % e)
print 'update xff: %s (%s -> %s)' % (path, old_xff, xff)
def run(args):
with open(args.filename, 'rb') as fh:
info = whisper.__readHeader(fh)
print '%s: period=%s, aggregation=%s, propagation=%s, archives=%s' % \
(args.filename, info['maxRetention'], info['aggregationMethod'],
info['xFilesFactor'], len(info['archives']))
for i, archive in enumerate(info['archives']):
print ' period=%s, points=%s, seconds=%s, size=%s, offset=%s' % \
(archive['retention'], archive['points'], archive['secondsPerPoint'],
archive['size'], archive['offset'])
if not args.header:
# Request all points until now. toInterval will be equal to now + step.
(fromInterval, toInterval, step), points = whisper.file_fetch(fh, 0, None)
print 'from=%s, to=%s, step=%s' % (fromInterval, toInterval, step)
if any(points):
for point in points:
print point
