Frey/Shell/Log.pm

package Frey::Shell::Log;
use Moose;

extends 'Frey';
with 'Frey::Web';

use DateTime::Locale;

has log_command => (
        is => 'rw',
        isa => 'Str',
#       required => 1,
        default => 'tail /var/log/daemon.log',
);

has from_datetime => (
        is => 'rw',
        isa => 'Str',
);

has to_datetime => (
        is => 'rw',
        isa => 'Str',
);

# we don't use DateTime because it's huge overhead for every log line
my $month2nr;
{
        my @months = @{ DateTime::Locale->load('en_US')->month_abbreviations };
        warn "# months ", join(',',@months);

        foreach my $i ( 0 .. $#months ) {
                $month2nr->{ lc($months[$i]) } = $i + 1;
        }
}

sub as_sponge {
        my ($self) = @_;

        my $cmd = $self->log_command;
        warn "# cmd: $cmd";

        my @rows;

        my $from = $self->from_datetime;
        my $to   = $self->to_datetime;

        my $stats = {
                from => $from,
                to   => $to,
        };

        warn "# stats ",$self->dump( $stats );

        my $yyyy = (localtime(time))[5] + 1900;

        open(my $fh, '-|', $cmd) || die "can't open pipe to $cmd $!";
        while(<$fh>) {
                chomp;

                if ( m{^(\w\w\w)\s+(\d+)\s+(\d\d:\d\d:\d\d)\s+(.+)} ) {
                        my $message = $4;
                        my $mm = $month2nr->{lc($1)} || die "month $1 unknown";
                        my $dt = sprintf("%04d-%02d-%02d %s", $yyyy, $mm, $2, $3, $4);
                        if ( $from && $dt lt $from ) {
                                $stats->{before_from}++;
                                next;
                        }
                        if ( $to && $dt gt $to ) {
                                $stats->{after_to}++;
                                next;
                        }
                        push @rows, [ $dt, $message ];
                        $stats->{rows}++;
                } else {
                        warn "# skip $_\n";
                        $stats->{skipped}++;
                }
        }

        warn "# stats ",$self->dump( $stats );

        return {
                NAME => [ 'date', 'message' ],
                rows => [ sort { $a->[0] cmp $b->[0] } @rows ],
                stats => $stats,
                log_command => $cmd,
        }
}

1;
1	package Frey::Shell::Log;
2	use Moose;
3
4	extends 'Frey';
5	with 'Frey::Web';
6
7	use DateTime::Locale;
8
9	has log_command => (
10	is => 'rw',
11	isa => 'Str',
12	# required => 1,
13	default => 'tail /var/log/daemon.log',
14	);
15
16	has from_datetime => (
17	is => 'rw',
18	isa => 'Str',
19	);
20
21	has to_datetime => (
22	is => 'rw',
23	isa => 'Str',
24	);
25
26	# we don't use DateTime because it's huge overhead for every log line
27	my $month2nr;
28	{
29	my @months = @{ DateTime::Locale->load('en_US')->month_abbreviations };
30	warn "# months ", join(',',@months);
31
32	foreach my $i ( 0 .. $#months ) {
33	$month2nr->{ lc($months[$i]) } = $i + 1;
34	}
35	}
36
37	sub as_sponge {
38	my ($self) = @_;
39
40	my $cmd = $self->log_command;
41	warn "# cmd: $cmd";
42
43	my @rows;
44
45	my $from = $self->from_datetime;
46	my $to = $self->to_datetime;
47
48	my $stats = {
49	from => $from,
50	to => $to,
51	};
52
53	warn "# stats ",$self->dump( $stats );
54
55	my $yyyy = (localtime(time))[5] + 1900;
56
57	open(my $fh, '-\|', $cmd) \|\| die "can't open pipe to $cmd $!";
58	while(<$fh>) {
59	chomp;
60
61	if ( m{^(\w\w\w)\s+(\d+)\s+(\d\d:\d\d:\d\d)\s+(.+)} ) {
62	my $message = $4;
63	my $mm = $month2nr->{lc($1)} \|\| die "month $1 unknown";
64	my $dt = sprintf("%04d-%02d-%02d %s", $yyyy, $mm, $2, $3, $4);
65	if ( $from && $dt lt $from ) {
66	$stats->{before_from}++;
67	next;
68	}
69	if ( $to && $dt gt $to ) {
70	$stats->{after_to}++;
71	next;
72	}
73	push @rows, [ $dt, $message ];
74	$stats->{rows}++;
75	} else {
76	warn "# skip $_\n";
77	$stats->{skipped}++;
78	}
79	}
80
81	warn "# stats ",$self->dump( $stats );
82
83	return {
84	NAME => [ 'date', 'message' ],
85	rows => [ sort { $a->[0] cmp $b->[0] } @rows ],
86	stats => $stats,
87	log_command => $cmd,
88	}
89	}
90
91	1;