git.rot13.org Git - eg5120/blob - parse-node-logs.pl

   1 #!/usr/bin/perl
   2 use strict;
   3 use warnings;
   4
   5 use POSIX qw(strftime);
   6 use File::Slurp;
   7 use DBD::Pg;
   8 use Data::Dump qw(dump);
   9 use autodie;
  10
  11 my $path = '/home/nodelogs/c405f97667784094bca5cfa52af0bcf1/';
  12
  13 # select _id,json->'received',time,to_timestamp((json->>'received')::int8/1000) - interval '1 hour' from nodelog ;
  14
  15 my $dbh = DBI->connect("dbi:Pg:dbname=eg5120", "dpavlin", "", { RaiseError => 1 });
  16 warn "# truncate table nodelog";
  17 $dbh->do( qq{ truncate table nodelog } ); # FIXME
  18 my $sth = $dbh->prepare(qq{insert into nodelog (time,json) values (?,?)});
  19
  20 my $last_files = $ENV{LAST} || 3; # process last 3 logs by mtime
  21
  22 foreach my $filename (
  23                 sort { -M $a <=> -M $b } (glob("$path/node-red-out*.log")),
  24         ) {
  25         last if $last_files-- == 0;
  26         warn "# $filename";
  27         open(my $log, '<', $filename);
  28         my $in_json = 0;
  29         my $json;
  30         my $year = $1 if $filename =~ m/__(20\d\d)-/;
  31         $year ||= (localtime)[5] + 1900;
  32         my $time;
  33         while(<$log>) {
  34                 chomp;
  35                 #warn "## $in_json -->$_<--\n";
  36                 ## XXX debug 1 in node-red with logging to system console
  37                 if ( m/(\d+ \w+)\s+(\d\d:\d\d:\d\d) - \Q[info] [debug:debug 1]\E/ ) {
  38                         $time = $1 . ' ' . $year . ' ' . $2;
  39                         #warn "# time $time\n";
  40                 } elsif ( $_ eq '{' ) {
  41                         $json .= $_;
  42                         $in_json = 1;
  43                         #warn "+ in_json";
  44                 } elsif ( $in_json ) {
  45
  46                         s/\s(\S+):\s/"$1":/g;   # fix names quoting
  47                         s/'/"/g;                # replace ' with "
  48                         $json .= $_;
  49
  50                         if ( $_ eq '}' ) {
  51                                 $in_json = 0;
  52                                 #warn "- in_json";
  53                                 warn ">>> $time [[[[ $json ]]]]";
  54                                 write_file '/dev/shm/json', $json;
  55                                 $sth->execute( $time, $json );
  56                                 $json = '';
  57                         }
  58                 }
  59
  60         }
  61 }
  62
  63 # insert missing sensor readings
  64 $dbh->do( qq{
  65
  66 create temporary table nl_received as select _id,json->'received' as received from nodelog where json->'received' is not null;
  67
  68 create temporary table eg_received as select _id,json->'received' as received from eg5120 where json->'received' is not null;
  69
  70 create temporary table nl_new as select * from nl_received where received not in (select received from eg_received) ;
  71
  72 select to_timestamp((json->>'received')::int8/1000), time,mac,addr,"nodeId",json,_id,sensor_type from nodelog where _id in (select _id from nl_new);
  73
  74 insert into eg5120 select to_timestamp((json->>'received')::int8/1000) as time,mac,addr,"nodeId",json,sensor_type from nodelog where _id in (select _id from nl_new);
  75
  76 } );