centreon-plugins/apps/protocols/http/mode/jsoncontent.pm

406 lines
15 KiB
Perl

###############################################################################
# Copyright 2005-2013 MERETHIS
# Centreon is developped by : Julien Mathis and Romain Le Merlus under
# GPL Licence 2.0.
#
# 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 2 of the License.
#
# 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, see <http://www.gnu.org/licenses>.
#
# Linking this program statically or dynamically with other modules is making a
# combined work based on this program. Thus, the terms and conditions of the GNU
# General Public License cover the whole combination.
#
# As a special exception, the copyright holders of this program give MERETHIS
# permission to link this program with independent modules to produce an timeelapsedutable,
# regardless of the license terms of these independent modules, and to copy and
# distribute the resulting timeelapsedutable under terms of MERETHIS choice, provided that
# MERETHIS also meet, for each linked independent module, the terms and conditions
# of the license of that module. An independent module is a module which is not
# derived from this program. If you modify this program, you may extend this
# exception to your version of the program, but you are not obliged to do so. If you
# do not wish to do so, delete this exception statement from your version.
#
# For more information : contact@centreon.com
# Author : Simon BOMM <sbomm@merethis.com>
#
# Based on De Bodt Lieven plugin
####################################################################################
package apps::protocols::http::mode::jsoncontent;
use base qw(centreon::plugins::mode);
use strict;
use warnings;
use Time::HiRes qw(gettimeofday tv_interval);
use centreon::plugins::httplib;
use JSON::Path;
use JSON;
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"data:s" => { name => 'data' },
"lookup:s@" => { name => 'lookup' },
"hostname:s" => { name => 'hostname' },
"port:s" => { name => 'port', },
"proto:s" => { name => 'proto', default => "http" },
"urlpath:s" => { name => 'url_path', default => "/" },
"credentials" => { name => 'credentials' },
"ntlm" => { name => 'ntlm' },
"username:s" => { name => 'username' },
"password:s" => { name => 'password' },
"proxyurl:s" => { name => 'proxyurl' },
"expected-string:s" => { name => 'expected_string' },
"header:s@" => { name => 'header' },
"timeout:s" => { name => 'timeout', default => 10 },
"warning:s" => { name => 'warning' },
"critical:s" => { name => 'critical' },
"warning-time:s" => { name => 'warning_time' },
"critical-time:s" => { name => 'critical_time' },
"threshold-value:s" => { name => 'threshold_value', default => 'count' },
"format-ok:s" => { name => 'format_ok', default => '%{count} element(s) finded' },
"format-warning:s" => { name => 'format_warning', default => '%{count} element(s) finded' },
"format-critical:s" => { name => 'format_critical', default => '%{count} element(s) finded' },
"values-separator:s" => { name => 'values_separator', default => ', ' },
});
$self->{count} = 0;
$self->{count_ok} = 0;
$self->{count_warning} = 0;
$self->{count_critical} = 0;
$self->{values_ok} = [];
$self->{values_warning} = [];
$self->{values_critical} = [];
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (!defined($self->{option_results}->{threshold_value}) || $self->{option_results}->{threshold_value} !~ /^(count|values)$/) {
$self->{option_results}->{threshold_value} = 'count';
}
if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'warning-time', value => $self->{option_results}->{warning_time})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning_time} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-time', value => $self->{option_results}->{critical_time})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical_time} . "'.");
$self->{output}->option_exit();
}
if (!defined($self->{option_results}->{hostname})) {
$self->{output}->add_option_msg(short_msg => "You need to specify hostname.");
$self->{output}->option_exit();
}
if ((defined($self->{option_results}->{credentials})) && (!defined($self->{option_results}->{username}) || !defined($self->{option_results}->{password}))) {
$self->{output}->add_option_msg(short_msg => "You need to set --username= and --password= options when --credentials is used");
$self->{output}->option_exit();
}
if ((!defined($self->{option_results}->{credentials})) && (defined($self->{option_results}->{ntlm}))) {
$self->{output}->add_option_msg(short_msg => "--ntlm option must be used with --credentials option");
$self->{output}->option_exit();
}
$self->{headers} = {};
if (defined($self->{option_results}->{header})) {
foreach (@{$self->{option_results}->{header}}) {
if (/^(.*?):(.*)/) {
$self->{headers}->{$1} = $2;
}
}
}
}
sub load_request {
my ($self, %options) = @_;
$self->{method} = 'GET';
if (defined($self->{option_results}->{data})) {
local $/ = undef;
if (!open(FILE, "<", $self->{option_results}->{data})) {
$self->{output}->output_add(severity => 'UNKNOWN',
short_msg => sprintf("Could not read file '%s': %s", $self->{option_results}->{data}, $!));
$self->{output}->display();
$self->{output}->exit();
}
$self->{json_request} = <FILE>;
close FILE;
$self->{method} = 'POST';
}
}
sub display_output {
my ($self, %options) = @_;
foreach my $severity (('ok', 'warning', 'critical')) {
next if (scalar(@{$self->{'values_' . $severity}}) == 0);
my $format = $self->{option_results}->{'format_' . $severity};
while ($format =~ /%{(.*?)}/g) {
my $replace = '';
if (ref($self->{$1}) eq 'ARRAY') {
$replace = join($self->{option_results}->{values_separator}, @{$self->{$1}});
} else {
$replace = defined($self->{$1}) ? $self->{$1} : '';
}
$format =~ s/%{$1}/$replace/g;
}
$self->{output}->output_add(severity => $severity,
short_msg => $format);
}
}
sub lookup {
my ($self, %options) = @_;
my ($xpath, @values);
my $json = JSON->new;
my $content;
eval {
$content = $json->decode($self->{json_response});
};
if ($@) {
$self->{output}->add_option_msg(short_msg => "Cannot decode json response");
$self->{output}->option_exit();
}
foreach my $xpath_find (@{$self->{option_results}->{lookup}}) {
eval {
my $jpath = JSON::Path->new($xpath_find);
@values = $jpath->values($content);
};
if ($@) {
$self->{output}->add_option_msg(short_msg => "Cannot lookup: $@");
$self->{output}->option_exit();
}
$self->{output}->output_add(long_msg => "Lookup XPath $xpath_find:");
foreach my $value (@values) {
$self->{count}++;
$self->{output}->output_add(long_msg => ' Node value: ' . $value);
push @{$self->{values}}, $value;
}
}
if ($self->{option_results}->{threshold_value} eq 'count') {
my $exit = lc($self->{perfdata}->threshold_check(value => $self->{count},
threshold => [ { label => 'critical', exit_litteral => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]));
push @{$self->{'values_' . $exit}}, $self->{count};
$self->{'count_' . $exit}++;
}
$self->{output}->perfdata_add(label => 'count',
value => $self->{count},
warning => $self->{option_results}->{threshold_value} eq 'count' ? $self->{perfdata}->get_perfdata_for_output(label => 'warning') : undef,
critical => $self->{option_results}->{threshold_value} eq 'count' ? $self->{perfdata}->get_perfdata_for_output(label => 'critical') : undef,
min => 0);
my $count = 0;
foreach my $value (@{$self->{values}}) {
$count++;
if ($value =~ /^[0-9.]+$/) {
if ($self->{option_results}->{threshold_value} eq 'values') {
my $exit = lc($self->{perfdata}->threshold_check(value => $value,
threshold => [ { label => 'critical', exit_litteral => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]));
push @{$self->{'values_' . $exit}}, $value;
$self->{'count_' . $exit}++
}
$self->{output}->perfdata_add(label => 'element_' . $count,
value => $value,
warning => $self->{option_results}->{threshold_value} eq 'values' ? $self->{perfdata}->get_perfdata_for_output(label => 'warning') : undef,
critical => $self->{option_results}->{threshold_value} eq 'values' ? $self->{perfdata}->get_perfdata_for_output(label => 'critical') : undef);
}
}
$self->display_output();
}
sub run {
my ($self, %options) = @_;
if (!defined($self->{option_results}->{port})) {
$self->{option_results}->{port} = centreon::plugins::httplib::get_port($self);
}
$self->load_request();
my $timing0 = [gettimeofday];
$self->{json_response} = centreon::plugins::httplib::connect($self, headers => $self->{headers}, method => $self->{method}, query_form_post => $self->{json_request});
my $timeelapsed = tv_interval ($timing0, [gettimeofday]);
$self->{output}->output_add(long_msg => $self->{json_response});
if (!defined($self->{option_results}->{lookup}) || scalar(@{$self->{option_results}->{lookup}}) == 0) {
$self->{output}->output_add(severity => 'OK',
short_msg => "JSON webservice request success");
} else {
$self->lookup();
}
my $exit = $self->{perfdata}->threshold_check(value => $timeelapsed,
threshold => [ { label => 'critical-time', exit_litteral => 'critical' }, { label => 'warning-time', exit_litteral => 'warning' } ]);
if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1)) {
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Response time %.3fs", $timeelapsed));
} else {
$self->{output}->output_add(long_msg => sprintf("Response time %.3fs", $timeelapsed));
}
$self->{output}->perfdata_add(label => "time", unit => 's',
value => sprintf('%.3f', $timeelapsed),
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-time'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-time'),
min => 0);
$self->{output}->display();
$self->{output}->exit();
}
1;
__END__
=head1 MODE
Check JSON webservice. Can send the json request with option '--data'. Example:
centreon_plugins.pl --plugin=apps::protocols::http::plugin --mode=json-content --data='/home/user/request.json' --hostname='myws.site.com' --urlpath='/get/payment'
--lookup='$..expiration'
JSON OPTIONS:
=over 8
=item B<--data>
Set file with JSON request
=item B<--lookup>
What to lookup in JSON response (JSON XPath string) (can be multiple)
See: http://goessner.net/articles/JsonPath/
=back
FORMAT OPTIONS:
=over 8
=item B<--format-ok>
Output format (Default: '%{count} element(s) finded')
Can used:
'%{values}' = display all values (also text string)
'%{values_ok}' = values from attributes and text node only (seperated by option values-separator)
'%{values_warning}' and '%{values_critical}'
=item B<--format-warning>
Output warning format (Default: %{count} element(s) finded')
=item B<--format-critical>
Output critical format (Default: %{count} element(s) finded')
=item B<--values-separator>
Separator used for values in format option (Default: ', ')
=back
THRESHOLD OPTIONS:
=over 8
=item B<--warning>
Threshold warning (Default: on total matching elements)
=item B<--critical>
Threshold critical (Default: on total matching elements)
=item B<--threshold-value>
Which value to use (Default: 'count')
Can be: 'values' (only check numeric values)
=item B<--warning-time>
Threshold warning in ms of webservice response time
=item B<--critical-time>
Threshold critical in ms of webservice response time
=back
HTTP OPTIONS:
=over 8
=item B<--hostname>
IP Addr/FQDN of the Webserver host
=item B<--port>
Port used by Webserver
=item B<--proxyurl>
Proxy URL if any
=item B<--proto>
Specify https if needed
=item B<--urlpath>
Set path to get Webpage (Default: '/')
=item B<--credentials>
Specify this option if you access webpage over basic authentification
=item B<--ntlm>
Specify this option if you access webpage over ntlm authentification (Use with --credentials option)
=item B<--username>
Specify username for basic authentification (Mandatory if --credentials is specidied)
=item B<--password>
Specify password for basic authentification (Mandatory if --credentials is specidied)
=item B<--timeout>
Threshold for HTTP timeout (Default: 10)
=item B<--header>
Set HTTP headers (Multiple option)
=back
=cut