mirror of
https://github.com/munin-monitoring/contrib.git
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167 lines
4.1 KiB
Perl
Executable file
167 lines
4.1 KiB
Perl
Executable file
#!/usr/bin/perl -w
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# -*- perl -*-
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=head1 NAME
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acpi_sys_batt_ Munin plugin to monitor the (note|net)book battery states through sysfs
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=head1 APPLICABLE SYSTEMS
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Notebooks and netbooks with avialable /sys/class/power_supply
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=head1 CONFIGURATION
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Configured change the name of symbolic link
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acpi_sys_batt_X_capacity - chart of Charge full by design, Charge full and Charge now
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acpi_sys_batt_X_current - chart of battery current
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acpi_sys_batt_X_percents - percentage chart of Current/design voltage, Full/current capacity, Design/full capacity
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acpi_sys_batt_X_voltage - chart of Design min voltage and Current voltage
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Where X is the number of batteries from /sys/class/power_supply/BATX
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=head1 INTERPRETATION
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The plugin shows:
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Charge full by design
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Charge full
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Charge now
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Battery current
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Percentage Current/design voltage
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Percentage Full/current capacity
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Percentage Design/full capacity
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Design min voltage
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Current voltage
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=head1 MAGIC MARKERS
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#%# family=power
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=head1 VERSION
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=head1 BUGS
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None known.
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=head1 AUTHOR
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Gorlow Maxim <sheridan@sheridan-home.ru>
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=head1 LICENSE
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GPLv2
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=cut
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use strict;
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#use Data::Dumper;
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my ($graph_type, $batt_num);
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if ($0 =~ /^(?:|.*\/)acpi_sys_batt_([^_]+)_(.+)$/)
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{
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$graph_type = $2;
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$batt_num = $1;
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}
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elsif (!defined($batt_num) or !defined($graph_type)) {
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die "# Error: couldn't understand what I'm supposed to monitor."; }
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my $sys_path=sprintf("/sys/class/power_supply/BAT%s", $batt_num);
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#print "$batt_num, $graph_type \n";
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sub cat_file
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{
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my $file = $_[0];
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my $fh;
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my $file_content = "--";
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open($fh, '<', "${sys_path}/${file}") or die $!;
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foreach my $line (<$fh>)
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{
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chomp ($line);
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$file_content = $line;
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}
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close($fh);
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return $file_content;
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}
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#print Dumper($batt_data);
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if ($ARGV[0] and $ARGV[0] eq "config")
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{
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#manufacturer
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#model_name
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#serial_number
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# ----------- status
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#technology
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#type
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my $batt_name = sprintf("%s %s %s %s (sn: %s)", cat_file('technology'), cat_file('type'), cat_file('manufacturer'), cat_file('model_name'), cat_file('serial_number'));
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print ("graph_args --base 1000\n");
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printf ("graph_title Battery %s (%s) %s\n" , $batt_num, $batt_name, $graph_type);
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printf ("graph_info This graph shows battery %s (%s) %s\n" , $batt_num, $batt_name, $graph_type);
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print ("graph_category sensors\n");
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if ($graph_type eq "capacity")
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{
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print ("graph_vlabel Charge\n");
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print ("cfd.label Charge full design\ncfd.type GAUGE\ncfd.draw AREA\n");
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print ("cf.label Charge full\ncf.type GAUGE\ncf.draw AREA\n");
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print ("cn.label Charge now\ncn.type GAUGE\ncn.draw AREA\n");
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}
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elsif ($graph_type eq "current")
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{
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print ("graph_vlabel Current, mAh\n");
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print ("currn.label Current\ncurrn.type GAUGE\ncurrn.draw AREA\n");
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}
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elsif ($graph_type eq "voltage")
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{
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print ("graph_vlabel Voltage, mV\n");
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print ("vmd.label Design min voltage\nvmd.type GAUGE\nvmd.draw AREA\n");
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print ("vn.label Voltage now\nvn.type GAUGE\nvn.draw AREA\n");
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}
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elsif ($graph_type eq "percents")
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{
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print ("graph_vlabel %\n");
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print ("cv.label Current/design voltage\ncv.type GAUGE\ncv.draw LINE2\n");
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print ("cc.label Full/current capacity\ncc.type GAUGE\ncc.draw LINE2\n");
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print ("fc.label Design/full capacity\nfc.type GAUGE\nfc.draw LINE2\n");
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}
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exit 0;
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}
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#$batt_data->{'info'}{''}
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sub percent
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{
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my ($full, $current) = @_[0..1];
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return $current/($full/100);
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}
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#charge_full
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#charge_full_design
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#charge_now
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#current_now
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#voltage_min_design
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#voltage_now
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if ($graph_type eq "capacity")
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{
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printf ("cfd.value %s\n", cat_file('charge_full_design'));
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printf ("cf.value %s\n", cat_file('charge_full'));
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printf ("cn.value %s\n", cat_file('charge_now'));
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}
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elsif ($graph_type eq "voltage")
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{
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printf ("vmd.value %s\n", cat_file('voltage_min_design'));
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printf ("vn.value %s\n", cat_file('voltage_now'));
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}
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elsif ($graph_type eq "current")
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{
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printf ("currn.value %s\n", cat_file('current_now'));
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}
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elsif ($graph_type eq "percents")
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{
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printf ("cv.value %s\n", percent(cat_file('voltage_min_design'),cat_file('voltage_now')));
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printf ("cc.value %s\n", percent(cat_file('charge_full'),cat_file('charge_now')));
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printf ("fc.value %s\n", percent(cat_file('charge_full_design'),cat_file('charge_full')));
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}
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