git.rot13.org Git - influxdb-pipes/blob - ifstat.pl

   1 #!/usr/bin/perl
   2 use warnings;
   3 use strict;
   4 use autodie;
   5
   6 my $host = shift @ARGV || die "usage: INFLUX=http://127.0.0.1:8086/write?db=snmp COMMUNITY=snmp-community $0 host";
   7 my $community = $ENV{COMMUNITY} || 'public';
   8 my $influx    = $ENV{INFLUX} || 'http://127.0.0.1:8086/write?db=snmp';
   9
  10 use Data::Dump qw(dump);
  11 sub XXX { warn "XXX ", scalar(@_), Data::Dump::dump(@_), join(' ',caller), "\n"; };
  12
  13 my ($sec,$min,$hour,$dd,$mm,$yyyy) = localtime(time); $mm++;
  14 my $time;
  15 use Time::Local;
  16 sub update_time {
  17         #warn "# time $yyyy-$mm-$dd $hour:$min:$sec $time\n";
  18         $time = timelocal($sec,$min,$hour,$dd,$mm-1,$yyyy) * 1000_000_000;
  19         return $time;
  20 }
  21
  22 # FIXME add -A to pull interfaces if they go up and down
  23 # -l loopback
  24 # -a all
  25 my $cmd = qq{$ENV{SSH}ifstat -s '$community@#$host' -a -l -b -n -t 1};
  26 warn "# $cmd\n";
  27 open(my $ifstat, '-|', $cmd);
  28
  29 my $first_skipped = 0;
  30
  31 my $curl;
  32 sub reopen_curl {
  33         if ( $ENV{INFLUX} ) {
  34                 open($curl, '|-', qq( curl -XPOST $influx --data-binary \@- ));
  35         } else {
  36                 open($curl, '|-', 'tee /dev/shm/curl.debug');
  37         }
  38 }
  39
  40 my $stat;
  41
  42 my @if;
  43 my @direction;
  44
  45 my $lines;
  46 my $host_tags = $host;
  47 $host_tags =~ s/\./,domain=/;
  48
  49 while(<$ifstat>) {
  50         chomp;
  51         #warn "# [$_]\n";
  52         s/^\s+//;
  53         s/(\w) (in|out)/$1_$2/g;
  54         my @v = split(/\s+/);
  55         #warn "## [",join(' ',@v), "]\n";
  56         if ( $v[0] eq 'Time' ) {
  57                 shift @v;
  58                 @if = @v;
  59         } elsif ( $v[0] eq 'HH:MM:SS' ) {
  60                 shift @v;
  61                 @direction = map { s/\W+/_/g; s/^K//; $_ } @v;
  62         } elsif ( $v[0] =~ m/^(\d\d):(\d\d):(\d\d)/ ) {
  63                 next unless $first_skipped++;
  64                 $hour = $1; $min = $2; $sec = $3; update_time;
  65
  66                 reopen_curl;
  67                 my $total;
  68
  69                 foreach my $i ( 0 .. $#if ) {
  70
  71                         my $if = $if[$i];
  72
  73                         my @tags = ( "if=$if", "host=$host_tags", $ENV{TAGS} || 'no_tags=true' );
  74 =for later
  75                         if ( $if =~ m/if(\d\d)(\d\d\d\d)/ ) {
  76                                 push @tags, "is_vlan=T,prefix=$1,vlan=$2";
  77                         } elsif ( $if =~ m/if(\d+)/ ) {
  78                                 push @tags, "is_vlan=F,port=$1";
  79                         } else {
  80                                 push @tags, "unknown_if=$if";
  81                         }
  82 =cut
  83
  84                         my $v1 = int( $v[$i*2+1] * 1024 );
  85                         my $v2 = int( $v[$i*2+2] * 1024 );
  86
  87                         print $curl "ifstat,", join(',', @tags),
  88                                 " ", $direction[$i*2],   "=${v1}i",
  89                                 ",", $direction[$i*2+1], "=${v2}i",
  90                                 " $time\n" if $v1 < 100_000_000_000_000 && $v2 < 100_000_000_000_000;
  91
  92                         $total += $v[$i*2+1];
  93
  94                         $lines++;
  95                 }
  96
  97                 warn "# $host ", $curl->tell, " total=$total\n";
  98                 close($curl);
  99         } else {
 100                 die "UNPARSED [$_]";
 101         }
 102 }
 103
 104