def _plot_io(self, kwds, rrd_files, img_dir, url_dir, tz):
url = dict()
options = rrd.GRAPH_OPT[kwds['period']]
for rrd_file in rrd_files:
dev = os.path.basename(rrd_file)[:-4]
url[dev] = dict()
img_file = os.path.join(
img_dir,
'%s_bits_%s_%s.png' % (kwds['metric'], dev, kwds['period'])
)
url[dev]['bits_per_sec'] = os.path.join(
url_dir,
'%s_bits_%s_%s.png' % (kwds['metric'], dev, kwds['period'])
)
rrd.plot_io_bits(str(img_file), str(rrd_file), options, tz=tz)
img_file = os.path.join(
img_dir,
'%s_ops_%s_%s.png' % (kwds['metric'], dev, kwds['period'])
)
url[dev]['operations_per_sec'] = os.path.join(
url_dir,
'%s_ops_%s_%s.png' % (kwds['metric'], dev, kwds['period'])
)
rrd.plot_io_ops(str(img_file), str(rrd_file), options, tz=tz)
return url
def _plot(self, kwds, tz, metric):
img_dir = self._get_image_dir(kwds)
url_dir = self._get_url_dir(kwds)
rrd_files = self._get_rrd_files(kwds, metric)
if not rrd_files:
msg = "Coudn't find rrd file(s) for request: {0}, metric: {1}"
msg = msg.format(kwds, metric)
LOG.warning(msg)
raise Plotter.IOError('Statistics are not available')
if metric == 'io':
url = dict()
options = rrd.GRAPH_OPT[kwds['period']]
for rrd_file in rrd_files:
dev = os.path.basename(rrd_file)[:-4]
url[dev] = dict()
img_file = os.path.join(
img_dir, 'io_bits_%s_%s.png' % (dev, kwds['period']))
url[dev]['bits_per_sec'] = os.path.join(
url_dir, 'io_bits_%s_%s.png' % (dev, kwds['period']))
rrd.plot_io_bits(str(img_file), str(rrd_file), options, tz=tz)
img_file = os.path.join(
img_dir, 'io_ops_%s_%s.png' % (dev, kwds['period']))
url[dev]['operations_per_sec'] = os.path.join(
url_dir, 'io_ops_%s_%s.png' % (dev, kwds['period']))
rrd.plot_io_ops(str(img_file), str(rrd_file), options, tz=tz)
else:
rrd_file = rrd_files[0]
img_file = os.path.join(img_dir,
'%s_%s.png' % (metric, kwds['period']))
if not os.path.exists(
img_file) or os.path.getmtime(img_file) + 60 < time.time():
options = rrd.GRAPH_OPT[kwds['period']]
self._plotters[metric](str(img_file), str(rrd_file), options)
url = os.path.join(url_dir, '%s_%s.png' % (metric, kwds['period']))
return url
def _plot_io(self, kwds, rrd_files, img_dir, url_dir, tz):
url = dict()
options = rrd.GRAPH_OPT[kwds['period']]
for rrd_file in rrd_files:
dev = os.path.basename(rrd_file)[:-4]
url[dev] = dict()
img_file = os.path.join(
img_dir,
'%s_bits_%s_%s.png' % (kwds['metric'], dev, kwds['period']))
url[dev]['bits_per_sec'] = os.path.join(
url_dir,
'%s_bits_%s_%s.png' % (kwds['metric'], dev, kwds['period']))
rrd.plot_io_bits(str(img_file), str(rrd_file), options, tz=tz)
img_file = os.path.join(
img_dir,
'%s_ops_%s_%s.png' % (kwds['metric'], dev, kwds['period']))
url[dev]['operations_per_sec'] = os.path.join(
url_dir,
'%s_ops_%s_%s.png' % (kwds['metric'], dev, kwds['period']))
rrd.plot_io_ops(str(img_file), str(rrd_file), options, tz=tz)
return url
def _plot(self, kwds, tz, metric):
img_dir = self._get_image_dir(kwds)
url_dir = self._get_url_dir(kwds)
rrd_files = self._get_rrd_files(kwds, metric)
if not rrd_files:
msg = "Coudn't find rrd file(s) for request: {0}, metric: {1}"
msg = msg.format(kwds, metric)
LOG.warning(msg)
raise Plotter.IOError('Statistics are not available')
if metric == 'io':
url = dict()
options = rrd.GRAPH_OPT[kwds['period']]
for rrd_file in rrd_files:
dev = os.path.basename(rrd_file)[:-4]
url[dev] = dict()
img_file = os.path.join(
img_dir,
'io_bits_%s_%s.png' % (dev, kwds['period']))
url[dev]['bits_per_sec'] = os.path.join(
url_dir,
'io_bits_%s_%s.png' % (dev, kwds['period']))
rrd.plot_io_bits(str(img_file), str(rrd_file), options, tz=tz)
img_file = os.path.join(
img_dir,
'io_ops_%s_%s.png' % (dev, kwds['period']))
url[dev]['operations_per_sec'] = os.path.join(
url_dir,
'io_ops_%s_%s.png' % (dev, kwds['period']))
rrd.plot_io_ops(str(img_file), str(rrd_file), options, tz=tz)
else:
rrd_file = rrd_files[0]
img_file = os.path.join(img_dir, '%s_%s.png' % (metric, kwds['period']))
if not os.path.exists(img_file) or os.path.getmtime(img_file) + 60 < time.time():
options = rrd.GRAPH_OPT[kwds['period']]
self._plotters[metric](str(img_file), str(rrd_file), options)
url = os.path.join(url_dir, '%s_%s.png' % (metric, kwds['period']))
return url
