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README.md

NAME

Zabbix::ServerScript - Simplify your Zabbix server scripts' environment.

SYNOPSIS

#!/usr/bin/perl

use strict;
use warnings;
use utf8;
use Zabbix::ServerScript;

my $opt = {
    id => 1,
};

my @opt_specs = qw(
    id=i
);

sub main {
    Zabbix::ServerScript::init($opt, @opt_specs);
    Zabbix::ServerScript::return_value(1);
}

main();

DESCRIPTION

Zabbix::ServerScript is a module to simplify writing new scripts for Zabbix server: external scripts, alert scripts, utils, etc.

SUBROUTINES

init($opt, @opt_specs)

Initializes variables, sets logger, API, etc.

If specified, the first argument must be hashref, which can have the following keys:

    $opt = {
            config => q(path/to/local/config.yaml),
            console => 0,                           # should the script log to STDERR or not
            verbose => 0,                           # increase verbosity. By default, script will log only WARN messages and above.
            debug => 0,                             # Enable debug mode.
            logger => q(Zabbix.ServerScript),       # Log4perl logger name
            api => q(),                             # name of Zabbix API instance in global config
            id => q(),                              # unique identifier of what is being done, e.g.: database being checked
            unique => 0,                            # only one instance for each $opt->{id} is allowed
            daemon => 0,                            # daemonize during initialization. See Proc::Damon for details
    }

If specified, the 2nd argument must be array of options descriptions, as for Getopt::Long::GetOptions.

The following options descrtiptions are included by default (see their meanings above):

    verbose|v+ # --verbose (supports bundling, e.g. -vvv)
    debug
    daemon
    console

Initializes the following global variables:

  • $logger

    Log4perl instance

  • $config

    hashref contais both local (script-specific) and global config data.

    Default global config is located at Zabbix/ServerScript/DefaultConfig.pm.

    User can generate its own global config and store it into Zabbix/ServerScript/Config.pm. Config.pm is preferred over DefaultConfig.pm.

    Global config data can be accessed through $Zabbix::ServerScript::Config and $config->{global} variables.

    Script-specific config is searched within $Zabbix::ServerScript::Config->{config_dir} path. Only YAML is currently supported for script-specific configs.

          $config = {
                  global => {
                          config_dir => q(/path/to/local/config/dir),
                          log_dir => q(/tmp),
                          ...,
                  },
                  local_item1 => ...,
                  local_item2 => ...,
          }
    
  • $zx_api

    Zabbix::ServerScript::API object

return_value($value)

Prints $value to STDOUT and exits. Throws an exception if $value is not defined.

store_cache($cache, $cache_filename)

Stores cache to file using Storable module. $cache_filename is optional.

retrieve_cache($cache_filename)

Retrieves cache from file using Storable module. $cache_filename is optional.

connect_to_db($dsn, $user, $password)

Connects to database via unixODBC. $dsn is mandatory. Returns database handle or throws an exception on failure.

send($data_structure, $trapper_host, $trapper_port)

Send data to Zabbix trapper like zabbix_sender does. $data_structure is mandatory. $trapper_host and $trapper_port are optional, values from global config's 'trapper' section are used by default. Returns server response on success or throws an exception on failure. $data_structure must be either hashref or arrayref of hashrefs.

Each of hashref must be like:

    {
            host => q(Linux host),  # hostname as in Zabbix frontend
            key => q(item_key),
            value => 1,
            clock => time,          # unix timestamp, optional
    }

create_config

Creates Config.pm from DefaultConfig.pm.

Usage:

    perl -MZabbix::ServerScript -e create_config

LICENSE

Copyright (C) Anton Alekseyev.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

AUTHOR

Anton Alekseyev <akint.wr+github@gmail.com>