templog: web/log.py annotate

annotate web/log.py @ 464:c3926e7cfb0c

LHS axis scaling easily changeable

author	Matt Johnston <matt@ucc.asn.au>
date	Mon, 21 Jan 2013 07:25:29 +0800
parents	94932e7051e5
children	30390852cb5d

rev	line source
384 abe8c530812e ui tweaks Matt Johnston <matt@ucc.asn.au> parents: 383 diff changeset	1 # -- coding: utf-8 --
344 ea1779d27641 - Getting there, update has problems Matt Johnston <matt@ucc.asn.au> parents: 339 diff changeset	2 #:vim:et:ts=4:sts=4:sw=4:
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	3 import rrdtool
298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	4 import os
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	5 import os.path
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6 import sys
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	7 import glob
337 f575ef538f5d - Various fixes for web server, kind of works Matt Johnston <matt@ucc.asn.au> parents: 335 diff changeset	8 import hashlib
f575ef538f5d - Various fixes for web server, kind of works Matt Johnston <matt@ucc.asn.au> parents: 335 diff changeset	9 import tempfile
344 ea1779d27641 - Getting there, update has problems Matt Johnston <matt@ucc.asn.au> parents: 339 diff changeset	10 import time
ea1779d27641 - Getting there, update has problems Matt Johnston <matt@ucc.asn.au> parents: 339 diff changeset	11 import syslog
349 e7f070855a22 mostly works for testing Matt Johnston <matt@ucc.asn.au> parents: 346 diff changeset	12 import sqlite3
355 a1aa4176ca2c update values one at a time, ignore failure Matt Johnston <matt@ucc.asn.au> parents: 351 diff changeset	13 import traceback
373 1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	14 import datetime
381 83c83014e5e3 report raw ds18b20 values instead Matt Johnston <matt@ucc.asn.au> parents: 379 diff changeset	15 import struct
383 a032051475fe ui tweaks Matt Johnston <matt@ucc.asn.au> parents: 381 diff changeset	16 import binascii
458 94932e7051e5 Fix the updated json web code to work Matt Johnston <matt@ucc.asn.au> parents: 445 diff changeset	17 import json
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	18 from colorsys import hls_to_rgb
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	19
334 3b821541657d hmac Matt Johnston <matt@ucc.asn.au> parents: 333 diff changeset	20 import config
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	21
298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 def sensor_rrd_path(s):
458 94932e7051e5 Fix the updated json web code to work Matt Johnston <matt@ucc.asn.au> parents: 445 diff changeset	23 return '%s/sensor_%s.rrd' % (config.DATA_PATH, str(s))
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	24
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	25 # returns (path, sensor_name) tuples
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	26 def all_sensors():
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	27 return [(r, os.path.basename(r[:-4]))
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	28 for r in glob.glob('%s/*.rrd' % config.DATA_PATH)]
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	29
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	30 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	31 # 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	32 # update with prior values straight away.
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	33 if 'voltage' in sensor_id:
369 dc9d63e2fd7a UI tweaks Matt Johnston <matt@ucc.asn.au> parents: 367 diff changeset	34 args = [
dc9d63e2fd7a UI tweaks Matt Johnston <matt@ucc.asn.au> parents: 367 diff changeset	35 '--step', '3600',
dc9d63e2fd7a UI tweaks Matt Johnston <matt@ucc.asn.au> parents: 367 diff changeset	36 'DS:temp:GAUGE:7200:1:10',
dc9d63e2fd7a UI tweaks Matt Johnston <matt@ucc.asn.au> parents: 367 diff changeset	37 'RRA:AVERAGE:0.5:1:87600']
425 eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	38 elif 'fridge_on' in sensor_id:
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	39 args = [
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	40 '--step', '300',
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	41 'DS:temp:GAUGE:600:-100:500',
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	42 'RRA:LAST:0.5:1:1051200']
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	43 else:
369 dc9d63e2fd7a UI tweaks Matt Johnston <matt@ucc.asn.au> parents: 367 diff changeset	44 args = [
dc9d63e2fd7a UI tweaks Matt Johnston <matt@ucc.asn.au> parents: 367 diff changeset	45 '--step', '300',
394 2cd246ea92c6 increase temperature logging range Matt Johnston <matt@ucc.asn.au> parents: 384 diff changeset	46 'DS:temp:GAUGE:600:-100:500',
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	47 'RRA:AVERAGE:0.5:1:1051200']
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48
458 94932e7051e5 Fix the updated json web code to work Matt Johnston <matt@ucc.asn.au> parents: 445 diff changeset	49 print>>sys.stderr, sensor_rrd_path(sensor_id)
94932e7051e5 Fix the updated json web code to work Matt Johnston <matt@ucc.asn.au> parents: 445 diff changeset	50
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	51 rrdtool.create(sensor_rrd_path(sensor_id),
369 dc9d63e2fd7a UI tweaks Matt Johnston <matt@ucc.asn.au> parents: 367 diff changeset	52 '--start', 'now-60d',
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	53 *args)
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	54
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	55 # stolen from viewmtn, stolen from monotone-viz
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	56 def colour_from_string(str):
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	57 def f(off):
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	58 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	59 hashval = hashlib.sha1(str).digest()
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	60 hue = f(5)
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	61 li = f(1) * 0.15 + 0.55
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	62 sat = f(2) * 0.5 + .5
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	63 return ''.join(["%.2x" % int(x * 256) for x in hls_to_rgb(hue, li, sat)])
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	64
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	65 def graph_png(start, length):
410 910324f14fe4 - few more web tweaks. don't fsync, it's slow. Matt Johnston <matt@ucc.asn.au> parents: 409 diff changeset	66 os.environ['MATT_PNG_BODGE_COMPRESS'] = '4'
910324f14fe4 - few more web tweaks. don't fsync, it's slow. Matt Johnston <matt@ucc.asn.au> parents: 409 diff changeset	67 os.environ['MATT_PNG_BODGE_FILTER'] = 'paeth'
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	68 rrds = all_sensors()
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	69
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	70 graph_args = []
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	71 have_volts = False
464 c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	72
c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	73 ## volts = temp * volts_div + volts_shift
c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	74 #volts_div = 10
c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	75 #volts_shift = 2
c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	76 volts_div = 1
c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	77 volts_shift = 0
c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	78
c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	79 volts_mult = 1.0/volts_div
c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	80
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	81 for n, (rrdfile, sensor) in enumerate(rrds):
425 eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	82 unit = None
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	83 if 'avrtemp' in sensor:
3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	84 continue
3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	85 if 'voltage' in sensor:
3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	86 have_volts = True
3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	87 vname = 'scalevolts'
377 55710361804b swap the left and right scales, kind of clunky Matt Johnston <matt@ucc.asn.au> parents: 375 diff changeset	88 graph_args.append('DEF:%(vname)s=%(rrdfile)s:temp:AVERAGE:step=3600' % locals())
384 abe8c530812e ui tweaks Matt Johnston <matt@ucc.asn.au> parents: 383 diff changeset	89 unit = 'V'
425 eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	90 elif 'fridge_on' in sensor:
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	91 vname = 'fridge_on'
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	92 graph_args.append('DEF:raw%(vname)s=%(rrdfile)s:temp:LAST' % locals())
431 ae12b30352f0 extra logging Matt Johnston <matt@ucc.asn.au> parents: 425 diff changeset	93 graph_args.append('CDEF:%(vname)s=raw%(vname)s,-0.2,*,3,+' % locals())
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	94 else:
3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	95 vname = 'temp%d' % n
377 55710361804b swap the left and right scales, kind of clunky Matt Johnston <matt@ucc.asn.au> parents: 375 diff changeset	96 graph_args.append('DEF:raw%(vname)s=%(rrdfile)s:temp:AVERAGE' % locals())
407 36a33c56c383 limit temps to 35º on graph Matt Johnston <matt@ucc.asn.au> parents: 405 diff changeset	97 # limit max temp to 50
464 c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	98 graph_args.append('CDEF:%(vname)s=raw%(vname)s,38,GT,UNKN,raw%(vname)s,%(volts_mult)f,*,%(volts_shift)f,+,IF' % locals())
384 abe8c530812e ui tweaks Matt Johnston <matt@ucc.asn.au> parents: 383 diff changeset	99 unit = '<span face="Liberation Serif">º</span>C'
abe8c530812e ui tweaks Matt Johnston <matt@ucc.asn.au> parents: 383 diff changeset	100
425 eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	101 format_last_value = None
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	102 if unit:
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	103 try:
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	104 last_value = float(rrdtool.info(rrdfile)['ds[temp].last_ds'])
436 8841a709ae78 strip multiple-of-ten temperatures correctly Matt Johnston <matt@ucc.asn.au> parents: 431 diff changeset	105 format_last_value = ('%f' % last_value).rstrip('0').rstrip('.') + unit
425 eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	106 except ValueError:
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	107 pass
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	108 width = config.LINE_WIDTH
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	109 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	110 colour = config.SENSOR_COLOURS.get(legend, colour_from_string(sensor))
425 eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	111 if format_last_value:
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	112 print_legend = '%s (%s)' % (legend, format_last_value)
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	113 else:
eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	114 print_legend = legend
384 abe8c530812e ui tweaks Matt Johnston <matt@ucc.asn.au> parents: 383 diff changeset	115 graph_args.append('LINE%(width)f:%(vname)s#%(colour)s:%(print_legend)s' % locals())
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	116
373 1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	117 end = int(start+length)
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	118 start = int(start)
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	119
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	120 tempf = tempfile.NamedTemporaryFile()
373 1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	121 dateformat = '%H:%M:%S %Y-%m-%d'
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	122 watermark = ("Now %s\t"
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	123 "Start %s\t"
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	124 "End %s" % (
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	125 datetime.datetime.now().strftime(dateformat),
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	126 datetime.datetime.fromtimestamp(start).strftime(dateformat),
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	127 datetime.datetime.fromtimestamp(end).strftime(dateformat) ))
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	128
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	129 args = [tempf.name, '-s', str(start),
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	130 '-e', str(end),
337 f575ef538f5d - Various fixes for web server, kind of works Matt Johnston <matt@ucc.asn.au> parents: 335 diff changeset	131 '-w', str(config.GRAPH_WIDTH),
f575ef538f5d - Various fixes for web server, kind of works Matt Johnston <matt@ucc.asn.au> parents: 335 diff changeset	132 '-h', str(config.GRAPH_HEIGHT),
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	133 '--slope-mode',
337 f575ef538f5d - Various fixes for web server, kind of works Matt Johnston <matt@ucc.asn.au> parents: 335 diff changeset	134 '--border', '0',
379 fed6738be1ab Get rid of axes labels, tidy html Matt Johnston <matt@ucc.asn.au> parents: 377 diff changeset	135 # '--vertical-label', 'Voltage',
464 c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	136 '--y-grid', '%(volts_mult)f:1' % locals(),
377 55710361804b swap the left and right scales, kind of clunky Matt Johnston <matt@ucc.asn.au> parents: 375 diff changeset	137 '--dynamic-labels',
362 8fea6144951b improve graphs Matt Johnston <matt@ucc.asn.au> parents: 355 diff changeset	138 '--grid-dash', '1:0',
383 a032051475fe ui tweaks Matt Johnston <matt@ucc.asn.au> parents: 381 diff changeset	139 '--zoom', str(config.ZOOM),
362 8fea6144951b improve graphs Matt Johnston <matt@ucc.asn.au> parents: 355 diff changeset	140 '--color', 'GRID#00000000',
8fea6144951b improve graphs Matt Johnston <matt@ucc.asn.au> parents: 355 diff changeset	141 '--color', 'MGRID#aaaaaa',
337 f575ef538f5d - Various fixes for web server, kind of works Matt Johnston <matt@ucc.asn.au> parents: 335 diff changeset	142 '--color', 'BACK#ffffff',
373 1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	143 '--disable-rrdtool-tag',
384 abe8c530812e ui tweaks Matt Johnston <matt@ucc.asn.au> parents: 383 diff changeset	144 '--pango-markup',
373 1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	145 '--watermark', watermark,
337 f575ef538f5d - Various fixes for web server, kind of works Matt Johnston <matt@ucc.asn.au> parents: 335 diff changeset	146 '--imgformat', 'PNG'] \
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	147 + graph_args
373 1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	148 args += ['--font', 'DEFAULT:12:%s' % config.GRAPH_FONT]
1f530c97c053 more graph fiddling Matt Johnston <matt@ucc.asn.au> parents: 369 diff changeset	149 args += ['--font', 'WATERMARK:10:%s' % config.GRAPH_FONT]
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	150 if have_volts:
464 c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	151 volts_shift_div = volts_div * volts_shift
c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	152 args += ['--right-axis', '%(volts_div)f:-%(volts_shift_div)f' % locals(),
c3926e7cfb0c LHS axis scaling easily changeable Matt Johnston <matt@ucc.asn.au> parents: 458 diff changeset	153 # '--right-axis-format', '%.0lf',
379 fed6738be1ab Get rid of axes labels, tidy html Matt Johnston <matt@ucc.asn.au> parents: 377 diff changeset	154 # '--right-axis-label', 'Temperature'
fed6738be1ab Get rid of axes labels, tidy html Matt Johnston <matt@ucc.asn.au> parents: 377 diff changeset	155 ]
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	156
410 910324f14fe4 - few more web tweaks. don't fsync, it's slow. Matt Johnston <matt@ucc.asn.au> parents: 409 diff changeset	157 print>>sys.stderr, ' '.join("'%s'" % s for s in args)
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	158 rrdtool.graph(*args)
410 910324f14fe4 - few more web tweaks. don't fsync, it's slow. Matt Johnston <matt@ucc.asn.au> parents: 409 diff changeset	159 #return tempf
335 1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	160 return tempf.read()
1e22eaf93620 work on web interface Matt Johnston <matt@ucc.asn.au> parents: 334 diff changeset	161
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	162 def validate_value(m):
5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	163 if m == 85:
458 94932e7051e5 Fix the updated json web code to work Matt Johnston <matt@ucc.asn.au> parents: 445 diff changeset	164 return 'U'
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	165 else:
458 94932e7051e5 Fix the updated json web code to work Matt Johnston <matt@ucc.asn.au> parents: 445 diff changeset	166 return '%f' % m
424 96bec5482294 avoid bad values Matt Johnston <matt@ucc.asn.au> parents: 410 diff changeset	167
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	168 def sensor_update(sensor_id, measurements):
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169 try:
298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	170 open(sensor_rrd_path(sensor_id))
298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171 except IOError, e:
298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172 create_rrd(sensor_id)
298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173
344 ea1779d27641 - Getting there, update has problems Matt Johnston <matt@ucc.asn.au> parents: 339 diff changeset	174 if measurements:
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	175 values = ['%d:%s' % (t, validate_value(m)) for (t, m) in measurements]
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176
344 ea1779d27641 - Getting there, update has problems Matt Johnston <matt@ucc.asn.au> parents: 339 diff changeset	177 rrdfile = sensor_rrd_path(sensor_id)
346 d6219df77c41 main.c: Matt Johnston <matt@ucc.asn.au> parents: 344 diff changeset	178 # XXX what to do here when it fails...
355 a1aa4176ca2c update values one at a time, ignore failure Matt Johnston <matt@ucc.asn.au> parents: 351 diff changeset	179 for v in values:
a1aa4176ca2c update values one at a time, ignore failure Matt Johnston <matt@ucc.asn.au> parents: 351 diff changeset	180 try:
a1aa4176ca2c update values one at a time, ignore failure Matt Johnston <matt@ucc.asn.au> parents: 351 diff changeset	181 rrdtool.update(rrdfile, v)
369 dc9d63e2fd7a UI tweaks Matt Johnston <matt@ucc.asn.au> parents: 367 diff changeset	182 except rrdtool.error, e:
410 910324f14fe4 - few more web tweaks. don't fsync, it's slow. Matt Johnston <matt@ucc.asn.au> parents: 409 diff changeset	183 print>>sys.stderr, "Bad rrdtool update '%s': %s" % (v, str(e))
355 a1aa4176ca2c update values one at a time, ignore failure Matt Johnston <matt@ucc.asn.au> parents: 351 diff changeset	184 traceback.print_exc(file=sys.stderr)
339 449272fc63a3 - Debug log file for server Matt Johnston <matt@ucc.asn.au> parents: 338 diff changeset	185
344 ea1779d27641 - Getting there, update has problems Matt Johnston <matt@ucc.asn.au> parents: 339 diff changeset	186 # be paranoid
410 910324f14fe4 - few more web tweaks. don't fsync, it's slow. Matt Johnston <matt@ucc.asn.au> parents: 409 diff changeset	187 #f = file(rrdfile)
910324f14fe4 - few more web tweaks. don't fsync, it's slow. Matt Johnston <matt@ucc.asn.au> parents: 409 diff changeset	188 #os.fsync(f.fileno())
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189
409 1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	190 def debug_file(mode='r'):
1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	191 return open('%s/debug.log' % config.DATA_PATH, mode)
1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	192
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	193 def record_debug(params):
409 1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	194 f = debug_file('a+')
344 ea1779d27641 - Getting there, update has problems Matt Johnston <matt@ucc.asn.au> parents: 339 diff changeset	195 f.write('===== %s =====\n' % time.strftime('%a, %d %b %Y %H:%M:%S'))
458 94932e7051e5 Fix the updated json web code to work Matt Johnston <matt@ucc.asn.au> parents: 445 diff changeset	196 json.dump(params, f, sort_keys=True, indent=4)
339 449272fc63a3 - Debug log file for server Matt Johnston <matt@ucc.asn.au> parents: 338 diff changeset	197 f.flush()
449272fc63a3 - Debug log file for server Matt Johnston <matt@ucc.asn.au> parents: 338 diff changeset	198 return f
449272fc63a3 - Debug log file for server Matt Johnston <matt@ucc.asn.au> parents: 338 diff changeset	199
409 1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	200 def tail_debug_log():
1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	201 f = debug_file()
1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	202 f.seek(0, 2)
1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	203 size = f.tell()
1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	204 f.seek(max(0, size-30000))
1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	205 return '\n'.join(l.strip() for l in f.readlines()[-400:])
1854abee5a59 add debug url Matt Johnston <matt@ucc.asn.au> parents: 407 diff changeset	206
381 83c83014e5e3 report raw ds18b20 values instead Matt Johnston <matt@ucc.asn.au> parents: 379 diff changeset	207 def convert_ds18b20_12bit(reading):
83c83014e5e3 report raw ds18b20 values instead Matt Johnston <matt@ucc.asn.au> parents: 379 diff changeset	208 value = struct.unpack('>h', binascii.unhexlify(reading))[0]
83c83014e5e3 report raw ds18b20 values instead Matt Johnston <matt@ucc.asn.au> parents: 379 diff changeset	209 return value * 0.0625
83c83014e5e3 report raw ds18b20 values instead Matt Johnston <matt@ucc.asn.au> parents: 379 diff changeset	210
400 1137f315209b use the remainder of times Matt Johnston <matt@ucc.asn.au> parents: 394 diff changeset	211 def time_rem(name, entries):
1137f315209b use the remainder of times Matt Johnston <matt@ucc.asn.au> parents: 394 diff changeset	212 val_ticks = int(entries[name])
401 56c32a62b0cd fix rem calculation Matt Johnston <matt@ucc.asn.au> parents: 400 diff changeset	213 val_rem = int(entries['%s_rem' % name])
405 d9b78a1bdd1d fix off-by-one in remainder code Matt Johnston <matt@ucc.asn.au> parents: 401 diff changeset	214 tick_wake = int(entries['tick_wake']) + 1
400 1137f315209b use the remainder of times Matt Johnston <matt@ucc.asn.au> parents: 394 diff changeset	215 tick_secs = int(entries['tick_secs'])
1137f315209b use the remainder of times Matt Johnston <matt@ucc.asn.au> parents: 394 diff changeset	216 return val_ticks + float(val_rem) * tick_secs / tick_wake
1137f315209b use the remainder of times Matt Johnston <matt@ucc.asn.au> parents: 394 diff changeset	217
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	218 def parse(params):
410 910324f14fe4 - few more web tweaks. don't fsync, it's slow. Matt Johnston <matt@ucc.asn.au> parents: 409 diff changeset	219
910324f14fe4 - few more web tweaks. don't fsync, it's slow. Matt Johnston <matt@ucc.asn.au> parents: 409 diff changeset	220 start_time = time.time()
339 449272fc63a3 - Debug log file for server Matt Johnston <matt@ucc.asn.au> parents: 338 diff changeset	221
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	222 debugf = record_debug(params)
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	223
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	224 remote_now = params['now']
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	226 time_diff = start_time - remote_now
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	227
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	228 # readings is [ ({sensorname: value, ...}, time), ... ]
5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	229 readings = params['readings']
333 298e502fdcd4 Add some web server handling Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	231 # measurements is {sensorname: [(time, value), ...], ...}
5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	232 measurements = {}
5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	233 for rs, t in readings:
5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	234 real_t = t + time_diff
5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	235 for s, v in rs.iteritems():
458 94932e7051e5 Fix the updated json web code to work Matt Johnston <matt@ucc.asn.au> parents: 445 diff changeset	236 measurements.setdefault(s, []).append((real_t, v))
367 3db118498b97 sort out voltage logging Matt Johnston <matt@ucc.asn.au> parents: 362 diff changeset	237
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	238 # one-off measurements here
5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	239 measurements['fridge_on'] = [ (time.time(), params['fridge_on']) ]
458 94932e7051e5 Fix the updated json web code to work Matt Johnston <matt@ucc.asn.au> parents: 445 diff changeset	240 measurements['fridge_setpoint'] = [ (time.time(), params['fridge_setpoint']) ]
425 eb685e1afcbb ui tweaks, add fridge values Matt Johnston <matt@ucc.asn.au> parents: 424 diff changeset	241
445 5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	242 for s, vs in measurements.iteritems():
5b9dc87c988f update web to handle new style params Matt Johnston <matt@ucc.asn.au> parents: 436 diff changeset	243 sensor_update(s, vs)
339 449272fc63a3 - Debug log file for server Matt Johnston <matt@ucc.asn.au> parents: 338 diff changeset	244
410 910324f14fe4 - few more web tweaks. don't fsync, it's slow. Matt Johnston <matt@ucc.asn.au> parents: 409 diff changeset	245 timedelta = time.time() - start_time
458 94932e7051e5 Fix the updated json web code to work Matt Johnston <matt@ucc.asn.au> parents: 445 diff changeset	246 debugf.write("Updated sensors in %.2f secs\n" % timedelta)
339 449272fc63a3 - Debug log file for server Matt Johnston <matt@ucc.asn.au> parents: 338 diff changeset	247 debugf.flush()

Mercurial > templog

annotate web/log.py @ 464:c3926e7cfb0c