Mercurial > templog
annotate web/log.py @ 353:20f7161399a8
change timeout for readline
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Sun, 24 Jun 2012 10:36:12 +0800 |
| parents | 2aed800aa2e9 |
| children | 206294a354a7 |
| rev | line source |
|---|---|
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
1 #:vim:et:ts=4:sts=4:sw=4: |
| 333 | 2 import rrdtool |
| 3 import os | |
| 335 | 4 import os.path |
| 333 | 5 import sys |
| 335 | 6 import glob |
|
337
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
7 import hashlib |
|
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
8 import tempfile |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
9 import time |
|
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
10 import syslog |
| 349 | 11 import sqlite3 |
| 335 | 12 from colorsys import hls_to_rgb |
| 333 | 13 |
| 334 | 14 import config |
| 333 | 15 |
| 16 def sensor_rrd_path(s): | |
| 334 | 17 return '%s/sensor_%s.rrd' % (config.DATA_PATH, s) |
| 333 | 18 |
| 335 | 19 # returns (path, sensor_name) tuples |
| 20 def all_sensors(): | |
| 21 return [(r, os.path.basename(r[:-4])) | |
| 22 for r in glob.glob('%s/*.rrd' % config.DATA_PATH)] | |
| 23 | |
| 333 | 24 def create_rrd(sensor_id): |
|
350
03322c38b4a9
Create with a start date so that it works
Matt Johnston <matt@ucc.asn.au>
parents:
346
diff
changeset
|
25 # start date of 10 seconds into 1970 is used so that we can |
|
03322c38b4a9
Create with a start date so that it works
Matt Johnston <matt@ucc.asn.au>
parents:
346
diff
changeset
|
26 # update with prior values straight away. |
|
03322c38b4a9
Create with a start date so that it works
Matt Johnston <matt@ucc.asn.au>
parents:
346
diff
changeset
|
27 args = [sensor_rrd_path(sensor_id), |
|
03322c38b4a9
Create with a start date so that it works
Matt Johnston <matt@ucc.asn.au>
parents:
346
diff
changeset
|
28 '--start', '10', |
|
03322c38b4a9
Create with a start date so that it works
Matt Johnston <matt@ucc.asn.au>
parents:
346
diff
changeset
|
29 '--step', '300', |
|
03322c38b4a9
Create with a start date so that it works
Matt Johnston <matt@ucc.asn.au>
parents:
346
diff
changeset
|
30 'DS:temp:GAUGE:600:-10:100', |
|
03322c38b4a9
Create with a start date so that it works
Matt Johnston <matt@ucc.asn.au>
parents:
346
diff
changeset
|
31 'RRA:AVERAGE:0.5:1:1051200'] |
| 333 | 32 |
|
350
03322c38b4a9
Create with a start date so that it works
Matt Johnston <matt@ucc.asn.au>
parents:
346
diff
changeset
|
33 rrdtool.create(*args) |
| 335 | 34 |
| 35 # stolen from viewmtn, stolen from monotone-viz | |
| 36 def colour_from_string(str): | |
| 37 def f(off): | |
| 38 return ord(hashval[off]) / 256.0 | |
|
337
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
39 hashval = hashlib.sha1(str).digest() |
| 335 | 40 hue = f(5) |
| 41 li = f(1) * 0.15 + 0.55 | |
| 42 sat = f(2) * 0.5 + .5 | |
| 43 return ''.join(["%.2x" % int(x * 256) for x in hls_to_rgb(hue, li, sat)]) | |
| 44 | |
| 45 def graph_png(start, length): | |
| 46 rrds = all_sensors() | |
| 47 | |
| 48 graph_args = [] | |
| 49 for n, (rrdfile, sensor) in enumerate(rrds): | |
| 50 vname = 'temp%d' % n | |
| 51 graph_args.append('DEF:%(vname)s=%(rrdfile)s:temp:AVERAGE' % locals()) | |
| 52 width = config.LINE_WIDTH | |
| 53 legend = config.SENSOR_NAMES.get(sensor, sensor) | |
|
337
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
54 colour = config.SENSOR_COLOURS.get(legend, colour_from_string(sensor)) |
| 335 | 55 graph_args.append('LINE%(width)f:%(vname)s#%(colour)s:%(legend)s' % locals()) |
| 56 | |
| 57 tempf = tempfile.NamedTemporaryFile() | |
|
337
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
58 args = [tempf.name, '-s', str(int(start)), |
|
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
59 '-e', str(int(start+length)), |
|
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
60 '-w', str(config.GRAPH_WIDTH), |
|
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
61 '-h', str(config.GRAPH_HEIGHT), |
| 335 | 62 '--slope-mode', |
|
337
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
63 '--border', '0', |
|
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
64 '--color', 'BACK#ffffff', |
|
350
03322c38b4a9
Create with a start date so that it works
Matt Johnston <matt@ucc.asn.au>
parents:
346
diff
changeset
|
65 '--alt-y-grid', |
|
337
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
66 '--imgformat', 'PNG'] \ |
| 335 | 67 + graph_args |
|
337
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
68 if config.GRAPH_FONT: |
|
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
69 args += ['--font', 'DEFAULT:0:%s' % config.GRAPH_FONT] |
|
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
70 print>>sys.stderr, args |
| 335 | 71 rrdtool.graph(*args) |
| 72 return tempf.read() | |
| 73 | |
| 333 | 74 def sensor_update(sensor_id, measurements, first_real_time, time_step): |
| 75 try: | |
| 76 open(sensor_rrd_path(sensor_id)) | |
| 77 except IOError, e: | |
| 78 create_rrd(sensor_id) | |
| 79 | |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
80 print>>sys.stderr, sensor_id, measurements, first_real_time, time_step |
|
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
81 |
|
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
82 if measurements: |
|
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
83 values = ['%d:%f' % p for p in |
|
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
84 zip((first_real_time + time_step*t for t in xrange(len(measurements))), |
|
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
85 measurements)] |
| 333 | 86 |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
87 rrdfile = sensor_rrd_path(sensor_id) |
|
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
88 print>>sys.stderr, values |
| 346 | 89 # XXX what to do here when it fails... |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
90 rrdtool.update(rrdfile, *values) |
|
339
449272fc63a3
- Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents:
338
diff
changeset
|
91 |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
92 # be paranoid |
|
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
93 f = file(rrdfile) |
|
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
94 os.fsync(f.fileno()) |
| 333 | 95 |
|
339
449272fc63a3
- Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents:
338
diff
changeset
|
96 def record_debug(lines): |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
97 f = open('%s/debug.log' % config.DATA_PATH, 'a+') |
|
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
98 f.write('===== %s =====\n' % time.strftime('%a, %d %b %Y %H:%M:%S')) |
|
339
449272fc63a3
- Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents:
338
diff
changeset
|
99 f.writelines(('%s\n' % s for s in lines)) |
|
449272fc63a3
- Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents:
338
diff
changeset
|
100 f.flush() |
|
449272fc63a3
- Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents:
338
diff
changeset
|
101 return f |
|
449272fc63a3
- Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents:
338
diff
changeset
|
102 |
| 333 | 103 def parse(lines): |
|
339
449272fc63a3
- Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents:
338
diff
changeset
|
104 |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
105 debugf = record_debug(lines) |
|
339
449272fc63a3
- Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents:
338
diff
changeset
|
106 |
| 333 | 107 entries = dict(l.split('=', 1) for l in lines) |
|
337
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
108 if len(entries) != len(lines): |
| 333 | 109 raise Exception("Keys are not unique") |
| 110 | |
| 111 num_sensors = int(entries['sensors']) | |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
112 num_measurements = int(entries['measurements']) |
| 333 | 113 |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
114 sensors = [entries['sensor_id%d' % n] for n in xrange(num_sensors)] |
| 333 | 115 |
| 116 meas = [] | |
| 117 for s in sensors: | |
| 118 meas.append([]) | |
| 119 | |
| 334 | 120 def val_scale(v): |
| 121 # convert decidegrees to degrees | |
| 122 return 0.1 * v | |
| 123 | |
| 333 | 124 for n in xrange(num_measurements): |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
125 vals = [val_scale(int(x)) for x in entries["meas%d" % n].strip().split()] |
| 333 | 126 if len(vals) != num_sensors: |
| 127 raise Exception("Wrong number of sensors for measurement %d" % n) | |
| 128 # we make an array of values for each sensor | |
| 129 for s in xrange(num_sensors): | |
| 130 meas[s].append(vals[s]) | |
| 131 | |
|
337
f575ef538f5d
- Various fixes for web server, kind of works
Matt Johnston <matt@ucc.asn.au>
parents:
335
diff
changeset
|
132 avr_now = float(entries['now']) |
| 333 | 133 avr_first_time = float(entries['first_time']) |
| 134 time_step = float(entries['time_step']) | |
| 135 | |
| 346 | 136 #sqlite |
| 137 # - time | |
| 138 # - voltage | |
| 139 # - boot time | |
| 140 | |
| 333 | 141 first_real_time = time.time() - (avr_now - avr_first_time) |
| 142 | |
| 143 for sensor_id, measurements in zip(sensors, meas): | |
| 346 | 144 # XXX sqlite add |
| 333 | 145 sensor_update(sensor_id, measurements, first_real_time, time_step) |
|
339
449272fc63a3
- Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents:
338
diff
changeset
|
146 |
|
344
ea1779d27641
- Getting there, update has problems
Matt Johnston <matt@ucc.asn.au>
parents:
339
diff
changeset
|
147 debugf.write("Updated %d sensors\n" % len(sensors)) |
|
339
449272fc63a3
- Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents:
338
diff
changeset
|
148 debugf.flush() |