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# =========================================================================
# THIS FILE IS AUTOMATICALLY GENERATED BY MINILLA.
# DO NOT EDIT DIRECTLY.
# =========================================================================
use 5.008_001;
use strict;
use Module::Build::Tiny 0.035;
Build_PL();

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Changes
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Revision history for Perl extension Log-Dispatch-Gelf
1.3.1 2018-02-01T12:31:14Z
- add Params::Validate to cpanfile
1.3.0 2016-03-01T13:59:38Z
- use Log::GELF::Util (ADAMC)
1.2.0 2016-02-18T10:13:10Z
- custom additional fields in log method (ADAMC)
1.1.0 2016-02-15T13:51:56Z
- compression (ADAMC)
- UDP chunking (ADAMC)
1.0.0 2016-01-21T11:28:23Z
- support for direct logging through Graylog's UDP or TCP socket
0.1.0 2015-05-04T12:27:24Z
- original version

378
LICENSE
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This software is copyright (c) 2015 by Miroslav Tynovsky <tynovsky@avast.com>.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
Terms of the Perl programming language system itself
a) the GNU General Public License as published by the Free
Software Foundation; either version 1, or (at your option) any
later version, or
b) the "Artistic License"
--- The GNU General Public License, Version 1, February 1989 ---
This software is Copyright (c) 2015 by Miroslav Tynovsky <tynovsky@avast.com>.
This is free software, licensed under:
The GNU General Public License, Version 1, February 1989
GNU GENERAL PUBLIC LICENSE
Version 1, February 1989
Copyright (C) 1989 Free Software Foundation, Inc.
51 Franklin St, Suite 500, Boston, MA 02110-1335 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The license agreements of most software companies try to keep users
at the mercy of those companies. By contrast, our General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. The
General Public License applies to the Free Software Foundation's
software and to any other program whose authors commit to using it.
You can use it for your programs, too.
When we speak of free software, we are referring to freedom, not
price. Specifically, the General Public License is designed to make
sure that you have the freedom to give away or sell copies of free
software, that you receive source code or can get it if you want it,
that you can change the software or use pieces of it in new free
programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
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These restrictions translate to certain responsibilities for you if you
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For example, if you distribute copies of a such a program, whether
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you have. You must make sure that they, too, receive or can get the
source code. And you must tell them their rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License Agreement applies to any program or other work which
contains a notice placed by the copyright holder saying it may be
distributed under the terms of this General Public License. The
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on the Program" means either the Program or any work containing the
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code as you receive it, in any medium, provided that you conspicuously and
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along with the Program. You may charge a fee for the physical act of
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1 above, provided that you also do the following:
a) cause the modified files to carry prominent notices stating that
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c) If the modified program normally reads commands interactively when
run, you must cause it, when started running for such interactive use
in the simplest and most usual way, to print or display an
announcement including an appropriate copyright notice and a notice
that there is no warranty (or else, saying that you provide a
warranty) and that users may redistribute the program under these
conditions, and telling the user how to view a copy of this General
Public License.
d) You may charge a fee for the physical act of transferring a
copy, and you may at your option offer warranty protection in
exchange for a fee.
Mere aggregation of another independent work with the Program (or its
derivative) on a volume of a storage or distribution medium does not bring
the other work under the scope of these terms.
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it, under Paragraph 2) in object code or executable form under the terms of
Paragraphs 1 and 2 above provided that you also do one of the following:
a) accompany it with the complete corresponding machine-readable
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Program except as expressly provided under this General Public License.
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licensor to copy, distribute or modify the Program subject to these
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Foundation.
8. If you wish to incorporate parts of the Program into other free
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NO WARRANTY
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FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
Appendix: How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to humanity, the best way to achieve this is to make it
free software which everyone can redistribute and change under these
terms.
To do so, attach the following notices to the program. It is safest to
attach them to the start of each source file to most effectively convey
the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) 19yy <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) 19xx name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the
appropriate parts of the General Public License. Of course, the
commands you use may be called something other than `show w' and `show
c'; they could even be mouse-clicks or menu items--whatever suits your
program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the
program `Gnomovision' (a program to direct compilers to make passes
at assemblers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
That's all there is to it!
--- The Artistic License 1.0 ---
This software is Copyright (c) 2015 by Miroslav Tynovsky <tynovsky@avast.com>.
This is free software, licensed under:
The Artistic License 1.0
The Artistic License
Preamble
The intent of this document is to state the conditions under which a Package
may be copied, such that the Copyright Holder maintains some semblance of
artistic control over the development of the package, while giving the users of
the package the right to use and distribute the Package in a more-or-less
customary fashion, plus the right to make reasonable modifications.
Definitions:
- "Package" refers to the collection of files distributed by the Copyright
Holder, and derivatives of that collection of files created through
textual modification.
- "Standard Version" refers to such a Package if it has not been modified,
or has been modified in accordance with the wishes of the Copyright
Holder.
- "Copyright Holder" is whoever is named in the copyright or copyrights for
the package.
- "You" is you, if you're thinking about copying or distributing this Package.
- "Reasonable copying fee" is whatever you can justify on the basis of media
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- "Freely Available" means that no fee is charged for the item itself, though
there may be fees involved in handling the item. It also means that
recipients of the item may redistribute it under the same conditions they
received it.
1. You may make and give away verbatim copies of the source form of the
Standard Version of this Package without restriction, provided that you
duplicate all of the original copyright notices and associated disclaimers.
2. You may apply bug fixes, portability fixes and other modifications derived
from the Public Domain or from the Copyright Holder. A Package modified in such
a way shall still be considered the Standard Version.
3. You may otherwise modify your copy of this Package in any way, provided that
you insert a prominent notice in each changed file stating how and when you
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a) place your modifications in the Public Domain or otherwise make them
Freely Available, such as by posting said modifications to Usenet or an
equivalent medium, or placing the modifications on a major archive site
such as ftp.uu.net, or by allowing the Copyright Holder to include your
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b) use the modified Package only within your corporation or organization.
c) rename any non-standard executables so the names do not conflict with
standard executables, which must also be provided, and provide a separate
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differs from the Standard Version.
d) make other distribution arrangements with the Copyright Holder.
4. You may distribute the programs of this Package in object code or executable
form, provided that you do at least ONE of the following:
a) distribute a Standard Version of the executables and library files,
together with instructions (in the manual page or equivalent) on where to
get the Standard Version.
b) accompany the distribution with the machine-readable source of the Package
with your modifications.
c) accompany any non-standard executables with their corresponding Standard
Version executables, giving the non-standard executables non-standard
names, and clearly documenting the differences in manual pages (or
equivalent), together with instructions on where to get the Standard
Version.
d) make other distribution arrangements with the Copyright Holder.
5. You may charge a reasonable copying fee for any distribution of this
Package. You may charge any fee you choose for support of this Package. You
may not charge a fee for this Package itself. However, you may distribute this
Package in aggregate with other (possibly commercial) programs as part of a
larger (possibly commercial) software distribution provided that you do not
advertise this Package as a product of your own.
6. The scripts and library files supplied as input to or produced as output
from the programs of this Package do not automatically fall under the copyright
of this Package, but belong to whomever generated them, and may be sold
commercially, and may be aggregated with this Package.
7. C or perl subroutines supplied by you and linked into this Package shall not
be considered part of this Package.
8. The name of the Copyright Holder may not be used to endorse or promote
products derived from this software without specific prior written permission.
9. THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
The End

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Build.PL
Changes
LICENSE
META.json
README.md
cpanfile
lib/Log/Dispatch/Gelf.pm
minil.toml
t/00_compile.t
t/01_log_format.t
t/02_socket.t
t/03_chunked.t
META.yml
MANIFEST

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{
"abstract" : "Log::Dispatch plugin for Graylog's GELF format.",
"author" : [
"Miroslav Tynovsky <tynovsky@avast.com>"
],
"dynamic_config" : 0,
"generated_by" : "Minilla/v3.0.4",
"license" : [
"perl_5"
],
"meta-spec" : {
"url" : "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
"version" : "2"
},
"name" : "Log-Dispatch-Gelf",
"no_index" : {
"directory" : [
"t",
"xt",
"inc",
"share",
"eg",
"examples",
"author",
"builder"
]
},
"prereqs" : {
"configure" : {
"requires" : {
"Module::Build::Tiny" : "0.035"
}
},
"develop" : {
"requires" : {
"Test::CPAN::Meta" : "0",
"Test::MinimumVersion::Fast" : "0.04",
"Test::PAUSE::Permissions" : "0.04",
"Test::Pod" : "1.41",
"Test::Spellunker" : "v0.2.7"
}
},
"runtime" : {
"recommends" : {
"JSON::XS" : "2.0"
},
"requires" : {
"Log::Dispatch" : "0",
"Log::GELF::Util" : "0.90",
"Params::Validate" : "0",
"perl" : "5.010"
}
},
"test" : {
"requires" : {
"JSON" : "0",
"Mock::Quick" : "1.107",
"Test::Exception" : "0.31",
"Test::More" : "0.98"
}
}
},
"provides" : {
"Log::Dispatch::Gelf" : {
"file" : "lib/Log/Dispatch/Gelf.pm",
"version" : "v1.3.1"
}
},
"release_status" : "stable",
"resources" : {
"bugtracker" : {
"web" : "https://github.com/avast/log-dispatch-gelf/issues"
},
"homepage" : "https://github.com/avast/log-dispatch-gelf",
"repository" : {
"url" : "git://github.com/avast/log-dispatch-gelf.git",
"web" : "https://github.com/avast/log-dispatch-gelf"
}
},
"version" : "1.3.1",
"x_contributors" : [
"Jan Seidl <seidl@avast.com>",
"Adam Clarke <adam.clarke@strategicdata.com.au>",
"tynovsky <tynovsky@seznam.cz>",
"Mohelníková Lucie <mohelnikova@avast.com>"
],
"x_serialization_backend" : "JSON::PP version 2.94"
}

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---
abstract: "Log::Dispatch plugin for Graylog's GELF format."
author:
- 'Miroslav Tynovsky <tynovsky@avast.com>'
build_requires:
JSON: '0'
Mock::Quick: '1.107'
Test::Exception: '0.31'
Test::More: '0.98'
configure_requires:
Module::Build::Tiny: '0.035'
dynamic_config: 0
generated_by: 'Minilla/v3.0.4, CPAN::Meta::Converter version 2.150010'
license: perl
meta-spec:
url: http://module-build.sourceforge.net/META-spec-v1.4.html
version: '1.4'
name: Log-Dispatch-Gelf
no_index:
directory:
- t
- xt
- inc
- share
- eg
- examples
- author
- builder
provides:
Log::Dispatch::Gelf:
file: lib/Log/Dispatch/Gelf.pm
version: v1.3.1
recommends:
JSON::XS: '2.0'
requires:
Log::Dispatch: '0'
Log::GELF::Util: '0.90'
Params::Validate: '0'
perl: '5.010'
resources:
bugtracker: https://github.com/avast/log-dispatch-gelf/issues
homepage: https://github.com/avast/log-dispatch-gelf
repository: git://github.com/avast/log-dispatch-gelf.git
version: 1.3.1
x_contributors:
- 'Jan Seidl <seidl@avast.com>'
- 'Adam Clarke <adam.clarke@strategicdata.com.au>'
- 'tynovsky <tynovsky@seznam.cz>'
- 'Mohelníková Lucie <mohelnikova@avast.com>'
x_serialization_backend: 'CPAN::Meta::YAML version 0.018'

102
README.md
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[![Build Status](https://travis-ci.org/avast/log-dispatch-gelf.svg?branch=master)](https://travis-ci.org/avast/log-dispatch-gelf)
# NAME
Log::Dispatch::Gelf - Log::Dispatch plugin for Graylog's GELF format.
# SYNOPSIS
use Log::Dispatch;
my $sender = ... # e.g. RabbitMQ queue.
my $log = Log::Dispatch->new(
outputs => [
#some custom sender
[
'Gelf',
min_level => 'debug',
additional_fields => { facility => __FILE__ },
send_sub => sub { $sender->send($_[0]) },
],
#or send to graylog via TCP/UDP socket
[
'Gelf',
min_level => 'debug',
additional_fields => { facility => __FILE__ },
socket => {
host => 'graylog.server',
port => 21234,
protocol => 'tcp',
}
]
],
);
$log->info('It works');
$log->log(
level => 'info',
message => "It works\nMore details.",
additional_fields => { test => 1 }
);
# DESCRIPTION
Log::Dispatch::Gelf is a Log::Dispatch plugin which formats the log message
according to Graylog's GELF Format version 1.1. It supports sending via a
socket (TCP or UDP) or a user provided sender.
# CONSTRUCTOR
The constructor takes the following parameters in addition to the standard
parameters documented in [Log::Dispatch::Output](https://metacpan.org/pod/Log::Dispatch::Output):
- additional\_fields
optional hashref of additional fields of the gelf message (no need to prefix
them with \_, the prefixing is done automatically).
- chunked
optional scalar. An integer specifying the chunk size or the special
string values 'lan' or 'wan' corresponding to 8154 or 1420 respectively.
A zero chunk size means no chunking will be applied.
Chunking is only applicable to UDP connections.
- compress
optional scalar. If a true value the message will be gzipped with
IO::Compress::Gzip.
- send\_sub
mandatory sub for sending the message to graylog. It is triggered after the
gelf message is generated.
- socket
optional hashref create tcp or udp (default behavior) socket and set
`send_sub` to sending via socket
# METHODS
## $log->log( level => $, message => $, additional\_fields => \\% )
In addition to the corresponding method in [Log::Dispatch::Output](https://metacpan.org/pod/Log::Dispatch::Output) this
subclassed method takes an optional hashref of additional\_fields for the
gelf message. As in the corresponding parameter on the constructor there is
no need to prefix them with an \_. If the same key appears in both the
constructor's and method's additional\_fields then the method's value will
take precedence overriding the constructor's value for the current call.
The subclassed log method is still called with all parameters passed on.
# LICENSE
Copyright (C) Avast Software.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
# AUTHOR
Miroslav Tynovsky <tynovsky@avast.com>

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requires 'perl', '5.010';
requires 'Log::Dispatch';
requires 'Log::GELF::Util', '>= 0.90';
requires 'Params::Validate';
recommends 'JSON::XS', '2.0';
on 'test' => sub {
requires 'Test::More', '0.98';
requires 'Mock::Quick', '1.107';
requires 'Test::Exception', '0.31';
requires 'JSON';
};

5
debian/changelog vendored
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liblog-dispatch-gelf-perl (1.3.1-1) unstable; urgency=low
* Initial Release.
-- Mario Fetka <mario.fetka@gmail.com> Sun, 25 Feb 2018 14:25:47 +0100

1
debian/compat vendored
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9

18
debian/control vendored
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Source: liblog-dispatch-gelf-perl
Section: perl
Priority: optional
Maintainer: Mario Fetka <mario.fetka@gmail.com>
Build-Depends: debhelper (>= 9), liblog-dispatch-perl, libmodule-build-tiny-perl, libjson-xs-perl, liblog-gelf-util-perl, libparams-validate-perl, libtest-most-perl, libmock-quick-perl, libtest-exception-perl, libjson-perl,
perl
Standards-Version: 3.9.6
Homepage: https://metacpan.org/release/Log-Dispatch-Gelf
Package: liblog-dispatch-gelf-perl
Architecture: all
Depends: ${misc:Depends}, ${perl:Depends}, liblog-dispatch-perl, libmodule-build-tiny-perl, libjson-xs-perl, liblog-gelf-util-perl, libparams-validate-perl, libjson-perl
Description: Log::Dispatch plugin for Graylog's GELF format.
Log::Dispatch::Gelf is a Log::Dispatch plugin which formats the log message
according to Graylog's GELF Format version 1.1. It supports sending via a
socket (TCP or UDP) or a user provided sender.
.
This description was automagically extracted from the module by dh-make-perl.

36
debian/copyright vendored
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Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: https://metacpan.org/release/Log-Dispatch-Gelf
Upstream-Contact: Miroslav Tynovsky <tynovsky@avast.com>
Upstream-Name: Log-Dispatch-Gelf
DISCLAIMER: This copyright info was automatically extracted
from the perl module. It may not be accurate, so you better
check the module sources in order to ensure the module for its
inclusion in Debian or for general legal information. Please,
if licensing information is incorrectly generated, file a bug
on dh-make-perl.
NOTE: Don't forget to remove this disclaimer once you are happy
with this file.
Files: *
Copyright: Miroslav Tynovsky <tynovsky@avast.com>
License: Artistic or GPL-1+
Files: debian/*
Copyright: 2018, Mario Fetka <mario.fetka@gmail.com>
License: Artistic or GPL-1+
License: Artistic
This program is free software; you can redistribute it and/or modify
it under the terms of the Artistic License, which comes with Perl.
.
On Debian systems, the complete text of the Artistic License can be
found in `/usr/share/common-licenses/Artistic'.
License: GPL-1+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
.
On Debian systems, the complete text of version 1 of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL-1'.

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README.md

4
debian/rules vendored
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#!/usr/bin/make -f
%:
dh $@

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3.0 (quilt)

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---
Archive: CPAN
Bug-Database: https://github.com/avast/log-dispatch-gelf/issues
Contact: Miroslav Tynovsky <tynovsky@avast.com>
Name: Log-Dispatch-Gelf
Repository: git://github.com/avast/log-dispatch-gelf.git
Repository-Browse: https://github.com/avast/log-dispatch-gelf

2
debian/watch vendored
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version=3
https://metacpan.org/release/Log-Dispatch-Gelf .*/Log-Dispatch-Gelf-v?(\d[\d.-]*)\.(?:tar(?:\.gz|\.bz2)?|tgz|zip)$

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package Log::Dispatch::Gelf;
use 5.010;
use strict;
use warnings;
our $VERSION = '1.3.1';
use base qw(Log::Dispatch::Output);
use Params::Validate qw(validate SCALAR HASHREF CODEREF BOOLEAN);
use Log::GELF::Util qw(
parse_size
compress
enchunk
encode
);
use Sys::Hostname;
sub new {
my $proto = shift;
my $class = ref $proto || $proto;
my $self = bless {}, $class;
$self->_basic_init(@_);
$self->_init(@_);
return $self;
}
sub _init {
my $self = shift;
Params::Validate::validation_options(allow_extra => 1);
my %p = validate(
@_,
{
send_sub => { type => CODEREF, optional => 1 },
additional_fields => { type => HASHREF, optional => 1 },
host => { type => SCALAR, optional => 1 },
compress => { type => BOOLEAN, optional => 1 },
chunked => { type => SCALAR, default => 0 },
socket => {
type => HASHREF,
optional => 1,
callbacks => {
protocol_is_tcp_or_udp_or_default => sub {
my ($socket) = @_;
$socket->{protocol} //= 'udp';
die 'socket protocol must be tcp or udp' unless $socket->{protocol} =~ /^(?:tcp|udp)$/;
},
host_must_be_set => sub {
my ($socket) = @_;
die 'socket host must be set' unless exists $socket->{host} && length $socket->{host} > 0;
},
port_must_be_number_or_default => sub {
my ($socket) = @_;
$socket->{port} //= 12201;
die 'socket port must be integer' unless $socket->{port} =~ /^\d+$/;
},
}
}
}
);
$p{chunked} = parse_size($p{chunked});
if (!defined $p{socket} && !defined $p{send_sub}) {
die 'Must be set socket or send_sub';
}
if ( defined $p{socket}
&& defined $p{chunked}
&& $p{socket}{protocol} ne 'udp'
) {
die 'chunked only applicable to udp';
}
$self->{host} = $p{host} // hostname();
$self->{additional_fields} = $p{additional_fields} // {};
$self->{send_sub} = $p{send_sub};
$self->{gelf_version} = '1.1';
$self->{chunked} = $p{chunked};
if ($p{socket}) {
my $socket = $self->_create_socket($p{socket});
$self->{send_sub} = sub {
my ($msg) = @_;
$msg = compress($msg) if $p{compress};
$socket->send($_) foreach enchunk($msg, $self->{chunked});
};
}
return;
}
sub _create_socket {
my ($self, $socket_opts) = @_;
require IO::Socket::INET;
my $socket = IO::Socket::INET->new(
PeerAddr => $socket_opts->{host},
PeerPort => $socket_opts->{port},
Proto => $socket_opts->{protocol},
) or die "Cannot create socket: $!";
return $socket;
}
sub log_message {
my ($self, %p) = @_;
(my $short_message = $p{message}) =~ s/\n.*//s;
my %additional_fields;
while (my ($key, $value) = each %{ $self->{additional_fields} }) {
$additional_fields{"_$key"} = $value;
}
while (my ($key, $value) = each %{ $p{additional_fields} }) {
$additional_fields{"_$key"} = $value;
}
my $log_unit = {
version => $self->{gelf_version},
host => $self->{host},
short_message => $short_message,
level => $p{level},
full_message => $p{message},
%additional_fields,
};
$self->{send_sub}->(encode($log_unit));
return;
}
sub log {
my $self = shift;
my %p = validate(
@_, {
additional_fields => {
type => HASHREF,
optional => 1,
},
}
);
$self->SUPER::log(@_);
}
1;
__END__
=encoding utf-8
=head1 NAME
Log::Dispatch::Gelf - Log::Dispatch plugin for Graylog's GELF format.
=head1 SYNOPSIS
use Log::Dispatch;
my $sender = ... # e.g. RabbitMQ queue.
my $log = Log::Dispatch->new(
outputs => [
#some custom sender
[
'Gelf',
min_level => 'debug',
additional_fields => { facility => __FILE__ },
send_sub => sub { $sender->send($_[0]) },
],
#or send to graylog via TCP/UDP socket
[
'Gelf',
min_level => 'debug',
additional_fields => { facility => __FILE__ },
socket => {
host => 'graylog.server',
port => 21234,
protocol => 'tcp',
}
]
],
);
$log->info('It works');
$log->log(
level => 'info',
message => "It works\nMore details.",
additional_fields => { test => 1 }
);
=head1 DESCRIPTION
Log::Dispatch::Gelf is a Log::Dispatch plugin which formats the log message
according to Graylog's GELF Format version 1.1. It supports sending via a
socket (TCP or UDP) or a user provided sender.
=head1 CONSTRUCTOR
The constructor takes the following parameters in addition to the standard
parameters documented in L<Log::Dispatch::Output>:
=over
=item additional_fields
optional hashref of additional fields of the gelf message (no need to prefix
them with _, the prefixing is done automatically).
=item chunked
optional scalar. An integer specifying the chunk size or the special
string values 'lan' or 'wan' corresponding to 8154 or 1420 respectively.
A zero chunk size means no chunking will be applied.
Chunking is only applicable to UDP connections.
=item compress
optional scalar. If a true value the message will be gzipped with
IO::Compress::Gzip.
=item send_sub
mandatory sub for sending the message to graylog. It is triggered after the
gelf message is generated.
=item socket
optional hashref create tcp or udp (default behavior) socket and set
C<send_sub> to sending via socket
=back
=head1 METHODS
=head2 $log->log( level => $, message => $, additional_fields => \% )
In addition to the corresponding method in L<Log::Dispatch::Output> this
subclassed method takes an optional hashref of additional_fields for the
gelf message. As in the corresponding parameter on the constructor there is
no need to prefix them with an _. If the same key appears in both the
constructor's and method's additional_fields then the method's value will
take precedence overriding the constructor's value for the current call.
The subclassed log method is still called with all parameters passed on.
=head1 LICENSE
Copyright (C) Avast Software.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 AUTHOR
Miroslav Tynovsky E<lt>tynovsky@avast.comE<gt>
=cut

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e79d6608b5a1698f074c0ac5bb66559ef4229423

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name = "Log-Dispatch-Gelf"
badges = ["travis"]
module_maker="ModuleBuildTiny"

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use strict;
use Test::More 0.98;
use_ok $_ for qw(
Log::Dispatch::Gelf
);
done_testing;

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use strict;
use Test::More;
use Test::Exception;
use Log::Dispatch;
use JSON;
my $LAST_LOG_MSG;
my $log = Log::Dispatch->new(
outputs => [ [
'Gelf',
min_level => 'debug',
additional_fields => { facility => __FILE__ },
send_sub => sub { $LAST_LOG_MSG = $_[0] },
] ],
);
$log->info("It works\nMore details.");
note "formatted message: $LAST_LOG_MSG";
my $msg = decode_json($LAST_LOG_MSG);
is($msg->{level}, 6, 'correct level info');
is($msg->{short_message}, 'It works', 'short_message correct');
is($msg->{full_message}, "It works\nMore details.", 'full_message correct');
is($msg->{_facility}, __FILE__, 'facility correct');
ok($msg->{host}, 'host is there');
ok($msg->{timestamp}, 'timestamp is there');
ok($msg->{version}, 'version is there');
dies_ok {
$log->log(
level => 'info',
message => "It works\nMore details.",
additional_fields => 'not a hashref'
);
}
'additional_fields wrong type';
$log->log(
level => 'info',
message => "It works\nMore details.",
additional_fields => { additional => 1 }
);
note "formatted message: $LAST_LOG_MSG";
$msg = decode_json($LAST_LOG_MSG);
is($msg->{level}, 6, 'correct level info');
is($msg->{short_message}, 'It works', 'short_message correct');
is($msg->{full_message}, "It works\nMore details.", 'full_message correct');
is($msg->{_facility}, __FILE__, 'facility correct');
is($msg->{_additional}, 1, 'additional log field correct');
ok($msg->{host}, 'host is there');
ok($msg->{timestamp}, 'timestamp is there');
ok($msg->{version}, 'version is there');
$log->log(
level => 'info',
message => "It works\nMore details.",
additional_fields => { facility => 'override' }
);
note "formatted message: $LAST_LOG_MSG";
$msg = decode_json($LAST_LOG_MSG);
is($msg->{_facility}, 'override', 'facility overridden correctly');
$log->log(
level => 'info',
message => "It works\nMore details.",
);
note "formatted message: $LAST_LOG_MSG";
$msg = decode_json($LAST_LOG_MSG);
is($msg->{_facility}, __FILE__, 'override is temporary');
done_testing(18);

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use strict;
use warnings;
use Test::More;
use Log::Dispatch;
use JSON;
use Test::Exception;
use Mock::Quick;
use IO::Uncompress::Gunzip qw(gunzip $GunzipError);
throws_ok {
Log::Dispatch->new(
outputs => [
[
'Gelf', min_level => 'debug',
]
],
);
}
qr/^Must be set socket or send_sub/, 'empty socket';
throws_ok {
Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
'socket' => {}
]
],
);
}
qr/socket host must be set/, 'undefined socket host';
throws_ok {
Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
'socket' => {
host => ''
}
]
],
);
}
qr/socket host must be set/, 'empty socket host';
throws_ok {
Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
'socket' => {
host => 'test',
port => 'x',
}
]
],
);
}
qr/socket port must be integer/, 'invalid socket port';
throws_ok {
Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
'socket' => {
host => 'test',
port => '111111',
protocol => 'invalid',
}
]
],
);
}
qr/socket protocol must be tcp or udp/, 'invalid protocol';
throws_ok {
Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
'socket' => {
host => 'test',
port => '111111',
protocol => 'xxx-udp',
}
]
],
);
}
qr/socket protocol must be tcp or udp/, 'invalid protocol 2';
my $LAST_LOG_MSG;
my $class_inet = qclass(
-implement => 'IO::Socket::INET',
new => sub {
my ($obj, %options) = @_;
is_deeply(\%options, { PeerAddr => 'test', PeerPort => 12201, Proto => 'udp' }, 'connect opts');
return bless {}, $obj;
},
send => sub {
my ($self, $msg) = @_;
$LAST_LOG_MSG = $msg;
}
);
my $log = Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
socket => {
host => 'test',
}
]
],
);
$log->info("It works\nMore details.");
note("formatted message: $LAST_LOG_MSG");
my $msg = decode_json($LAST_LOG_MSG);
is($msg->{level}, 6, 'correct level info');
is($msg->{short_message}, 'It works', 'short_message correct');
is($msg->{full_message}, "It works\nMore details.", 'full_message correct');
$log = Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
compress => 1,
socket => {
host => 'test',
}
]
],
);
$log->info("Compressed\nMore details.");
my $output;
gunzip \$LAST_LOG_MSG => \$output
or die "gunzip failed: $GunzipError\n";
note("formatted message: $output");
$msg = decode_json($output);
is($msg->{level}, 6, 'correct level info');
is($msg->{short_message}, 'Compressed', 'short_message correct');
is($msg->{full_message}, "Compressed\nMore details.", 'full_message correct');
done_testing(14);

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use strict;
use warnings;
use Test::More;
use Log::Dispatch;
use Log::GELF::Util qw(dechunk decode_chunk uncompress);
use JSON;
use Test::Exception;
use Mock::Quick;
use IO::Uncompress::Gunzip qw(gunzip $GunzipError);
my @ACCUMULATOR;
my $MESSAGE;
my $class_inet = qclass(
-implement => 'IO::Socket::INET',
new => sub {
my ($obj, %options) = @_;
@ACCUMULATOR = undef;
$MESSAGE = undef;
return bless {}, $obj;
},
send => sub {
my ($self, $encoded_chunk) = @_;
$MESSAGE = dechunk(
\@ACCUMULATOR,
decode_chunk($encoded_chunk)
);
$MESSAGE = uncompress($MESSAGE) if $MESSAGE;
}
);
throws_ok {
Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
chunked => 'WAN',
'socket' => {
host => 'test',
protocol => 'tcp',
}
]
],
);
}
qr/chunked only applicable to udp/, 'invalid protocol for chunking';
throws_ok {
Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
chunked => 'xxx',
'socket' => {
host => 'test',
protocol => 'udp',
}
]
],
);
}
qr/chunk size must be "lan", "wan", a positve integer, or 0 \(no chunking\)/, 'invalid chunked value';
throws_ok {
Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
chunked => '-1',
'socket' => {
host => 'test',
protocol => 'udp',
}
]
],
);
}
qr/chunk size must be "lan", "wan", a positve integer, or 0 \(no chunking\)/, 'invalid integer';
new_ok ( 'Log::Dispatch', [
outputs => [
[
'Gelf',
min_level => 'debug',
chunked => 'WAN',
socket => {
host => 'test',
}
]
]
]
);
new_ok ( 'Log::Dispatch', [
outputs => [
[
'Gelf',
min_level => 'debug',
chunked => 'lan',
socket => {
host => 'test',
}
]
]
]
);
my $log = Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
chunked => 4,
socket => {
host => 'test',
}
]
],
);
$log->info("Uncompressed - chunked\nMore details.");
note("formatted message: $MESSAGE");
my $msg = decode_json($MESSAGE);
is($msg->{level}, 6, 'correct level info');
is($msg->{short_message}, 'Uncompressed - chunked', 'short_message correct');
is($msg->{full_message}, "Uncompressed - chunked\nMore details.", 'full_message correct');
$log = Log::Dispatch->new(
outputs => [
[
'Gelf',
min_level => 'debug',
compress => 1,
chunked => 4,
socket => {
host => 'test',
}
]
],
);
$log->info("Compressed - chunked\nMore details.");
note("formatted message: $MESSAGE");
$msg = decode_json($MESSAGE);
is($msg->{level}, 6, 'correct level info');
is($msg->{short_message}, 'Compressed - chunked', 'short_message correct');
is($msg->{full_message}, "Compressed - chunked\nMore details.", 'full_message correct');
done_testing(11);