(wip)sample net mode for parity

This commit is contained in:
Sims24 2020-03-23 13:38:28 +01:00 committed by Lotfi zaouche
parent d11a8f3ee6
commit 752bc0e05e
3 changed files with 368 additions and 0 deletions

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#
# Copyright 2020 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
package blockchain::parity::restapi::custom::api;
use strict;
use warnings;
use centreon::plugins::http;
use JSON;
sub new {
my ($class, %options) = @_;
my $self = {};
bless $self, $class;
if (!defined($options{output})) {
print "Class Custom: Need to specify 'output' argument.\n";
exit 3;
}
if (!defined($options{options})) {
$options{output}->add_option_msg(short_msg => "Class Custom: Need to specify 'options' argument.");
$options{output}->option_exit();
}
if (!defined($options{noptions})) {
$options{options}->add_options(arguments => {
"hostname:s" => { name => 'hostname' },
"timeout:s" => { name => 'timeout' },
"api-path:s" => { name => 'api_path' },
});
}
$options{options}->add_help(package => __PACKAGE__, sections => 'REST API OPTIONS', once => 1);
$self->{output} = $options{output};
$self->{mode} = $options{mode};
$self->{http} = centreon::plugins::http->new(%options);
return $self;
}
sub set_options {
my ($self, %options) = @_;
$self->{option_results} = $options{option_results};
}
sub set_defaults {
my ($self, %options) = @_;
foreach (keys %{$options{default}}) {
if ($_ eq $self->{mode}) {
for (my $i = 0; $i < scalar(@{$options{default}->{$_}}); $i++) {
foreach my $opt (keys %{$options{default}->{$_}[$i]}) {
if (!defined($self->{option_results}->{$opt}[$i])) {
$self->{option_results}->{$opt}[$i] = $options{default}->{$_}[$i]->{$opt};
}
}
}
}
}
}
sub check_options {
my ($self, %options) = @_;
$self->{hostname} = (defined($self->{option_results}->{hostname})) ? $self->{option_results}->{hostname} : undef;
$self->{timeout} = (defined($self->{option_results}->{timeout})) ? $self->{option_results}->{timeout} : 10;
$self->{api_path} = (defined($self->{option_results}->{api_path})) ? $self->{option_results}->{api_path} : '/';
if (!defined($self->{hostname})) {
$self->{output}->add_option_msg(short_msg => "Need to specify hostname option.");
$self->{output}->option_exit();
}
return 0;
}
sub get_connection_infos {
my ($self, %options) = @_;
return $self->{hostname} . '_' . $self->{http}->get_port();
}
sub build_options_for_httplib {
my ($self, %options) = @_;
$self->{option_results}->{hostname} = $self->{hostname};
$self->{option_results}->{timeout} = $self->{timeout};
$self->{option_results}->{port} = 8545;
$self->{option_results}->{proto} = 'http';
}
sub settings {
my ($self, %options) = @_;
$self->build_options_for_httplib();
$self->{http}->add_header(key => 'Accept', value => 'application/json');
$self->{http}->add_header(key => 'Content-Type', value => 'application/json');
$self->{http}->set_options(%{$self->{option_results}});
}
sub request_api {
my ($self, %options) = @_;
$self->settings();
my $encoded;
eval {
$encoded = encode_json($options{query_form_post});
};
if ($@) {
$self->{output}->add_option_msg(short_msg => "Cannot encode json request");
$self->{output}->option_exit();
}
my $content = $self->{http}->request(method => $options{method}, url_path => '/', query_form_post => $encoded,
critical_status => '', warning_status => '', unknown_status => '');
my $decoded;
eval {
$decoded = decode_json($content);
};
if ($@) {
$self->{output}->output_add(long_msg => $content, debug => 1);
$self->{output}->add_option_msg(short_msg => "Cannot decode json response");
$self->{output}->option_exit();
}
if ($self->{http}->get_code() != 200) {
$self->{output}->add_option_msg(short_msg => "Connection issue: " . $decoded->{msg});
$self->{output}->option_exit();
}
return $decoded;
}
1;
__END__
=head1 NAME
Parity node JSON WEBRPC
=head1 SYNOPSIS
Parity node JSON RPC API custom mode
=head1 REST API OPTIONS
=over 8
=item B<--hostname>
Parity node hostname or IP
=item B<--timeout>
Set HTTP timeout in seconds (Default: '10').
=item B<--api-path>
API base url path (Default: '/').
=back
=head1 DESCRIPTION
B<custom>.
=cut

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#
# Copyright 2020 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
package blockchain::parity::restapi::mode::net;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold catalog_status_calc);
sub custom_status_output {
my ($self, %options) = @_;
return sprintf(
'Listening status: %s ',
$self->{result_values}->{listening},
);
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'network', cb_prefix_output => 'prefix_module_output', type => 0 },
];
$self->{maps_counters}->{network} = [
{ label => 'status', threshold => 0, set => {
key_values => [ { name => 'listening' } ],
closure_custom_calc => \&catalog_status_calc,
closure_custom_output => $self->can('custom_status_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold
}
},
{ label => 'peers', nlabel => 'parity.network.peers.count', set => {
key_values => [ { name => 'peers' } ],
output_template => "connected peers: %s ",
perfdatas => [
{ label => 'peer_count', value => 'peers_absolute', template => '%d', min => 0 }
],
}
},
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
bless $self, $class;
$options{options}->add_options(arguments => {
'unknown-status:s' => { name => 'unknown_status', default => '' },
'warning-status:s' => { name => 'warning_status', default => '' },
'critical-status:s' => { name => 'critical_status', default => '%{listening} !~ /true/' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::check_options(%options);
$self->change_macros(macros => ['unknown_status', 'warning_status', 'critical_status']);
}
sub prefix_module_output {
my ($self, %options) = @_;
return "Parity network module: ";
}
sub manage_selection {
my ($self, %options) = @_;
my $query_form_post_listening = { method => 'net_listening', params => [], id => "1", jsonrpc => "2.0" };
my $result_listening = $options{custom}->request_api(method => 'POST', query_form_post => $query_form_post_listening);
my $query_form_post_peer = { method => 'net_peerCount', params => [], id => "1", jsonrpc => "2.0" };
my $result_peer = $options{custom}->request_api(method => 'POST', query_form_post => $query_form_post_peer);
$self->{network} = { listening => $result_listening->{result},
peers => hex($result_peer->{result}) }
}
1;
__END__
=head1 MODE
Check network module metrics parity (net_isListening, net_peerCount)
=over 8
=item B<--unknown-status>
Set unknown threshold for listening status (Default: '').
=item B<--warning-status>
Set warning threshold for listening status (Default: '').
=item B<--critical-status>
Set critical threshold for listening status (Default: '%{listening} !~ /true/').
=item B<--warning-peers> B<--critical-peers>
Warning and Critical threhsold on the number of peer
=back
=cut

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#
# Copyright 2020 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
package blockchain::parity::restapi::plugin;
use strict;
use warnings;
use base qw(centreon::plugins::script_custom);
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '0.1';
%{$self->{modes}} = (
'net' => 'blockchain::parity::restapi::mode::net',
);
$self->{custom_modes}{api} = 'blockchain::parity::restapi::custom::api';
return $self;
}
1;
__END__
=head1 PLUGIN DESCRIPTION
Check Parity blockchain with JSON RPC
=cut