From dae290957b9cad1db76e5d7a5631e302996978a2 Mon Sep 17 00:00:00 2001
From: thibaults-centreon <tscheitenberger@centreon.com>
Date: Fri, 10 Apr 2020 14:25:34 +0200
Subject: [PATCH 1/4] add(plugin): AWS VPN

---
 centreon-plugins/cloud/aws/custom/awscli.pm   |  67 +++-
 centreon-plugins/cloud/aws/custom/paws.pm     |  88 ++---
 .../cloud/aws/vpn/mode/listvpn.pm             |  96 ++++++
 .../cloud/aws/vpn/mode/traffic.pm             | 315 ++++++++++++++++++
 centreon-plugins/cloud/aws/vpn/plugin.pm      |  52 +++
 5 files changed, 559 insertions(+), 59 deletions(-)
 create mode 100644 centreon-plugins/cloud/aws/vpn/mode/listvpn.pm
 create mode 100644 centreon-plugins/cloud/aws/vpn/mode/traffic.pm
 create mode 100644 centreon-plugins/cloud/aws/vpn/plugin.pm

diff --git a/centreon-plugins/cloud/aws/custom/awscli.pm b/centreon-plugins/cloud/aws/custom/awscli.pm
index 3530adfe8..ab62709fb 100644
--- a/centreon-plugins/cloud/aws/custom/awscli.pm
+++ b/centreon-plugins/cloud/aws/custom/awscli.pm
@@ -160,7 +160,7 @@ sub execute {
         $self->{output}->option_exit();
     }
 
-    return $raw_results; 
+    return $raw_results;
 }
 
 sub cloudwatch_get_metrics_set_cmd {
@@ -176,7 +176,7 @@ sub cloudwatch_get_metrics_set_cmd {
     }
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub cloudwatch_get_metrics {
@@ -229,7 +229,7 @@ sub discovery_set_cmd {
     my $cmd_options = $options{service} . " " . $options{command} . " --region $options{region} --output json";
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub discovery {
@@ -249,7 +249,7 @@ sub cloudwatch_get_alarms_set_cmd {
     my $cmd_options = "cloudwatch describe-alarms --region $options{region} --output json";
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub cloudwatch_get_alarms {
@@ -282,7 +282,7 @@ sub cloudwatch_list_metrics_set_cmd {
     $cmd_options .= " --metric-name $options{metric}" if (defined($options{metric}));
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub cloudwatch_list_metrics {
@@ -302,7 +302,7 @@ sub cloudwatchlogs_describe_log_groups_set_cmd {
     my $cmd_options = "logs describe-log-groups --region $self->{option_results}->{region} --output json";
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub cloudwatchlogs_describe_log_groups {
@@ -329,7 +329,7 @@ sub cloudwatchlogs_filter_log_events_set_cmd {
     }
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub cloudwatchlogs_filter_log_events {
@@ -349,7 +349,7 @@ sub ec2_get_instances_status_set_cmd {
     my $cmd_options = "ec2 describe-instance-status --include-all-instances --no-dry-run --region $options{region} --output json";
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub ec2_get_instances_status {
@@ -361,7 +361,7 @@ sub ec2_get_instances_status {
     my $instance_results = {};
     foreach (@{$raw_results->{InstanceStatuses}}) {
         $instance_results->{$_->{InstanceId}} = {
-            state => $_->{InstanceState}->{Name}, 
+            state => $_->{InstanceState}->{Name},
             status => => $_->{InstanceStatus}->{Status}
         };
     }
@@ -377,7 +377,7 @@ sub ec2_list_resources_set_cmd {
     my $cmd_options = "ec2 describe-instances --no-dry-run --region $options{region} --output json";
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub ec2_list_resources {
@@ -394,7 +394,7 @@ sub ec2_list_resources {
                 my %already = map { $_->{Name} => $_ } @{$resource_results};
                 if ($tag->{Key} eq "aws:autoscaling:groupName") {
                     next if (defined($already{$tag->{Value}}));
-                    push @{$resource_results}, { 
+                    push @{$resource_results}, {
                         Name => $tag->{Value},
                         Type => 'asg',
                     };
@@ -402,7 +402,7 @@ sub ec2_list_resources {
                     push @instance_tags, $tag->{Value};
                 }
             }
-            push @{$resource_results}, { 
+            push @{$resource_results}, {
                 Name => $instance->{InstanceId},
                 Type => 'instance',
                 AvailabilityZone => $instance->{Placement}->{AvailabilityZone},
@@ -411,7 +411,6 @@ sub ec2_list_resources {
                 Tags => join(",", @instance_tags),
                 KeyName => $instance->{KeyName},
             };
-            
         }
     }
 
@@ -426,7 +425,7 @@ sub asg_get_resources_set_cmd {
     my $cmd_options = "autoscaling describe-auto-scaling-groups --region $options{region} --output json";
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub asg_get_resources {
@@ -446,7 +445,7 @@ sub rds_get_instances_status_set_cmd {
     my $cmd_options = "rds describe-db-instances --region $options{region} --output json";
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub rds_get_instances_status {
@@ -471,7 +470,7 @@ sub rds_list_instances_set_cmd {
     my $cmd_options = "rds describe-db-instances --region $options{region} --output json";
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub rds_list_instances {
@@ -502,7 +501,7 @@ sub rds_list_clusters_set_cmd {
     my $cmd_options = "rds describe-db-clusters --region $options{region} --output json";
     $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
 
-    return $cmd_options; 
+    return $cmd_options;
 }
 
 sub rds_list_clusters {
@@ -524,6 +523,40 @@ sub rds_list_clusters {
     return $cluster_results;
 }
 
+sub vpn_list_connections_set_cmd {
+    my ($self, %options) = @_;
+
+    return if (defined($self->{option_results}->{command_options}) && $self->{option_results}->{command_options} ne '');
+
+    my $cmd_options = "ec2 describe-vpn-connections --region $options{region} --output json";
+    $cmd_options .= " --endpoint-url $self->{endpoint_url}" if (defined($self->{endpoint_url}) && $self->{endpoint_url} ne '');
+
+    return $cmd_options;
+}
+
+sub vpn_list_connections {
+    my ($self, %options) = @_;
+
+    my $cmd_options = $self->vpn_list_connections_set_cmd(%options);
+    my $raw_results = $self->execute(cmd_options => $cmd_options);
+
+    my $connections_results = [];
+    foreach my $connection (@{$raw_results->{VpnConnections}}) {
+        my @name_tags;
+            foreach my $tag (@{$connection->{Tags}}) {
+                if ($tag->{Key} eq "Name" && defined($tag->{Value})) {
+                    push @name_tags, $tag->{Value};
+                }
+            }
+        push @{$connections_results}, {
+            id      => $connection->{VpnConnectionId},
+            name    => join(",", @name_tags),
+            state   => $connection->{State}
+        }
+    };
+    return $connections_results;
+}
+
 1;
 
 __END__
diff --git a/centreon-plugins/cloud/aws/custom/paws.pm b/centreon-plugins/cloud/aws/custom/paws.pm
index 44f20e736..030aa81bc 100644
--- a/centreon-plugins/cloud/aws/custom/paws.pm
+++ b/centreon-plugins/cloud/aws/custom/paws.pm
@@ -39,9 +39,8 @@ sub new {
         $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 => {                      
+        $options{options}->add_options(arguments => {
             'aws-secret-key:s'    => { name => 'aws_secret_key' },
             'aws-access-key:s'    => { name => 'aws_access_key' },
             'region:s'            => { name => 'region' },
@@ -53,28 +52,23 @@ sub new {
         });
     }
     $options{options}->add_help(package => __PACKAGE__, sections => 'PAWS OPTIONS', once => 1);
-
     $self->{output} = $options{output};
     $self->{mode} = $options{mode};
-    
     return $self;
 }
 
 sub get_region {
     my ($self, %options) = @_;
-
     return $self->{option_results}->{region};
 }
 
 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++) {
@@ -95,19 +89,16 @@ sub check_options {
         $ENV{HTTP_PROXY} = $self->{option_results}->{proxyurl};
         $ENV{HTTPS_PROXY} = $self->{option_results}->{proxyurl};
     }
-
     if (defined($self->{option_results}->{aws_secret_key}) && $self->{option_results}->{aws_secret_key} ne '') {
         $ENV{AWS_SECRET_KEY} = $self->{option_results}->{aws_secret_key};
     }
     if (defined($self->{option_results}->{aws_access_key}) && $self->{option_results}->{aws_access_key} ne '') {
         $ENV{AWS_ACCESS_KEY} = $self->{option_results}->{aws_access_key};
     }
-
     if (!defined($self->{option_results}->{region}) || $self->{option_results}->{region} eq '') {
         $self->{output}->add_option_msg(short_msg => "Need to specify --region option.");
         $self->{output}->option_exit();
     }
-
     if (defined($self->{option_results}->{statistic})) {
         foreach my $statistic (@{$self->{option_results}->{statistic}}) {
             if ($statistic !~ /minimum|maximum|average|sum/) {
@@ -116,20 +107,18 @@ sub check_options {
             }
         }
     }
-
     return 0;
 }
 
 sub cloudwatch_get_metrics {
     my ($self, %options) = @_;
-    
+
     my $metric_results = {};
     eval {
         my $lwp_caller = new Paws::Net::LWPCaller();
         my $cw = Paws->service('CloudWatch', caller => $lwp_caller, region => $options{region});
         my $start_time = DateTime->now->subtract(seconds => $options{timeframe})->iso8601;
         my $end_time = DateTime->now->iso8601;
-        
         foreach my $metric_name (@{$options{metrics}}) {
             my $metric_result = $cw->GetMetricStatistics(
                 MetricName => $metric_name,
@@ -142,7 +131,6 @@ sub cloudwatch_get_metrics {
                 #Unit => $unit,
                 Dimensions => $options{dimensions},
             );
-            
             $metric_results->{$metric_result->{Label}} = { points => 0 };
             foreach my $point (@{$metric_result->{Datapoints}}) {
                 if (defined($point->{Average})) {
@@ -161,10 +149,9 @@ sub cloudwatch_get_metrics {
                     $metric_results->{$metric_result->{Label}}->{sum} = 0 if (!defined($metric_results->{$metric_result->{Label}}->{sum}));
                     $metric_results->{$metric_result->{Label}}->{sum} += $point->{Sum};
                 }
-                
                 $metric_results->{$metric_result->{Label}}->{points}++;
             }
-            
+
             if (defined($metric_results->{$metric_result->{Label}}->{average})) {
                 $metric_results->{$metric_result->{Label}}->{average} /= $metric_results->{$metric_result->{Label}}->{points};
             }
@@ -174,7 +161,6 @@ sub cloudwatch_get_metrics {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
-    
     return $metric_results;
 }
 
@@ -205,7 +191,7 @@ sub cloudwatch_get_alarms {
 
 sub cloudwatch_list_metrics {
     my ($self, %options) = @_;
-    
+
     my $metric_results = [];
     eval {
         my $lwp_caller = new Paws::Net::LWPCaller();
@@ -219,13 +205,13 @@ sub cloudwatch_list_metrics {
                 foreach my $dimension (@{$_->{Dimensions}}) {
                     push @$dimensions, { Name => $dimension->{Name}, Value => $dimension->{Value} };
                 }
-                push @{$metric_results}, { 
+                push @{$metric_results}, {
                     Namespace => $_->{Namespace},
                     MetricName => $_->{MetricName},
                     Dimensions => $dimensions,
                 };
             }
-            
+
             last if (!defined($list_metrics->{NextToken}));
             $cw_options{NextToken} = $list_metrics->{NextToken};
         }
@@ -234,7 +220,6 @@ sub cloudwatch_list_metrics {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
-    
     return $metric_results;
 }
 
@@ -250,7 +235,7 @@ sub cloudwatchlogs_describe_log_groups {
             foreach (@{$list_log_groups->{logGroups}}) {
                 push @$log_groups_results, $_;
             }
-            
+
             last if (!defined($list_log_groups->{NextToken}));
             $cw_options{NextToken} = $list_log_groups->{NextToken};
         }
@@ -259,7 +244,6 @@ sub cloudwatchlogs_describe_log_groups {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
-
     return $log_groups_results;
 }
 
@@ -277,7 +261,6 @@ sub cloudwatchlogs_filter_log_events {
             foreach (@{$list_log_groups->{logGroups}}) {
                 push @$log_groups_results, $_;
             }
-            
             last if (!defined($list_log_groups->{NextToken}));
             $cw_options{NextToken} = $list_log_groups->{NextToken};
         }
@@ -286,19 +269,17 @@ sub cloudwatchlogs_filter_log_events {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
-
     return $log_groups_results;
 }
 
 sub ec2_get_instances_status {
     my ($self, %options) = @_;
-    
+
     my $instance_results = {};
     eval {
         my $lwp_caller = new Paws::Net::LWPCaller();
         my $ec2 = Paws->service('EC2', caller => $lwp_caller, region => $options{region});
         my $instances = $ec2->DescribeInstanceStatus(DryRun => 0, IncludeAllInstances => 1);
-        
         foreach (@{$instances->{InstanceStatuses}}) {
             $instance_results->{$_->{InstanceId}} = { state => $_->{InstanceState}->{Name},
                                                       status => => $_->{InstanceStatus}->{Status} };
@@ -308,19 +289,18 @@ sub ec2_get_instances_status {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
-    
+
     return $instance_results;
 }
 
 sub ec2_list_resources {
     my ($self, %options) = @_;
-    
+
     my $resource_results = [];
     eval {
         my $lwp_caller = new Paws::Net::LWPCaller();
         my $ec2 = Paws->service('EC2', caller => $lwp_caller, region => $options{region});
         my $list_instances = $ec2->DescribeInstances(DryRun => 0);
-        
         foreach my $reservation (@{$list_instances->{Reservations}}) {
             foreach my $instance (@{$reservation->{Instances}}) {
                 my @instance_tags;
@@ -328,7 +308,7 @@ sub ec2_list_resources {
                     my %already = map { $_->{Name} => $_ } @{$resource_results};
                     if ($tag->{Key} eq "aws:autoscaling:groupName") {
                         next if (defined($already{$tag->{Value}}));
-                        push @{$resource_results}, { 
+                        push @{$resource_results}, {
                             Name => $tag->{Value},
                             Type => 'asg',
                         };
@@ -336,7 +316,7 @@ sub ec2_list_resources {
                         push @instance_tags, $tag->{Key} . ":" . $tag->{Value};
                     }
                 }
-                push @{$resource_results}, { 
+                push @{$resource_results}, {
                     Name => $instance->{InstanceId},
                     Type => 'instance',
                     AvailabilityZone => $instance->{Placement}->{AvailabilityZone},
@@ -344,7 +324,7 @@ sub ec2_list_resources {
                     State => $instance->{State}->{Name},
                     Tags => join(",", @instance_tags),
                 };
-                
+
             }
         }
     };
@@ -352,7 +332,7 @@ sub ec2_list_resources {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
-    
+
     return $resource_results;
 }
 
@@ -375,7 +355,7 @@ sub asg_get_resources {
 
 sub rds_get_instances_status {
     my ($self, %options) = @_;
-    
+
     my $instance_results = {};
     eval {
         my $lwp_caller = new Paws::Net::LWPCaller();
@@ -389,19 +369,18 @@ sub rds_get_instances_status {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
-    
+
     return $instance_results;
 }
 
 sub rds_list_instances {
     my ($self, %options) = @_;
-    
+
     my $instance_results = [];
     eval {
         my $lwp_caller = new Paws::Net::LWPCaller();
         my $rds = Paws->service('RDS', caller => $lwp_caller, region => $options{region});
         my $list_instances = $rds->DescribeDBInstances();
-        
         foreach my $instance (@{$list_instances->{DBInstances}}) {
             push @{$instance_results}, {
                 Name => $instance->{DBInstanceIdentifier},
@@ -416,19 +395,16 @@ sub rds_list_instances {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
-    
     return $instance_results;
 }
 
 sub rds_list_clusters {
     my ($self, %options) = @_;
-    
     my $cluster_results = [];
     eval {
         my $lwp_caller = new Paws::Net::LWPCaller();
         my $rds = Paws->service('RDS', caller => $lwp_caller, region => $options{region});
         my $list_clusters = $rds->DescribeDBClusters();
-        
         foreach my $cluster (@{$list_clusters->{DBClusters}}) {
             push @{$cluster_results}, {
                 Name => $cluster->{DBClusterIdentifier},
@@ -442,10 +418,38 @@ sub rds_list_clusters {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
-    
     return $cluster_results;
 }
 
+sub vpn_list_connections {
+    my ($self, %options) = @_;
+    my $connections_results = [];
+    eval {
+        my $lwp_caller = new Paws::Net::LWPCaller();
+        my $rds = Paws->service('EC2', caller => $lwp_caller, region => $options{region});
+        my $list_vpn = $vpn->DescribeVpnConnections();
+        foreach my $connection (@{$list_vpn->{VpnConnections}}) {
+            my @name_tags;
+                foreach my $tag (@{$connection->{Tags}}) {
+                    if ($tag->{Key} eq "Name" && defined($tag->{Value})) {
+                        push @name_tags, $tag->{Value};
+                    }
+                }
+            push @{$connections_results}, {
+                id      => $connection->{VpnConnectionId},
+                name    => join(",", @name_tags),
+                state   => $connection->{State}
+            }
+        };
+    };
+    if ($@) {
+        $self->{output}->add_option_msg(short_msg => "error: $@");
+        $self->{output}->option_exit();
+    }
+
+    return $connections_results;
+}
+
 1;
 
 __END__
diff --git a/centreon-plugins/cloud/aws/vpn/mode/listvpn.pm b/centreon-plugins/cloud/aws/vpn/mode/listvpn.pm
new file mode 100644
index 000000000..ff7fdcfc7
--- /dev/null
+++ b/centreon-plugins/cloud/aws/vpn/mode/listvpn.pm
@@ -0,0 +1,96 @@
+#
+# 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 cloud::aws::vpn::mode::listvpn;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {});
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    $self->{connection} = $options{custom}->vpn_list_connections(region => $self->{option_results}->{region});
+}
+
+sub run {
+    my ($self, %options) = @_;
+
+    $self->manage_selection(%options);
+    foreach (@{$self->{connection}}) {
+        $self->{output}->output_add(
+            long_msg => sprintf("[Id = %s][Name = %s][State = %s]",
+            $_->{id}, $_->{name}, $_->{state} ));
+    }
+
+    $self->{output}->output_add(severity => 'OK',
+                                short_msg => 'List VPN connections:');
+    $self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
+    $self->{output}->exit();
+}
+
+sub disco_format {
+    my ($self, %options) = @_;
+
+    $self->{output}->add_disco_format(elements => ['id', 'name', 'state']);
+}
+
+sub disco_show {
+    my ($self, %options) = @_;
+
+    $self->manage_selection(%options);
+    foreach (@{$self->{connection}}) {
+        $self->{output}->add_disco_entry(
+            id => $_->{id},
+            name => $_->{name},
+            state => $_->{state},
+        );
+    };
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+List EC2 instances.
+
+=over 8
+
+=back
+
+=cut
diff --git a/centreon-plugins/cloud/aws/vpn/mode/traffic.pm b/centreon-plugins/cloud/aws/vpn/mode/traffic.pm
new file mode 100644
index 000000000..d23cd5552
--- /dev/null
+++ b/centreon-plugins/cloud/aws/vpn/mode/traffic.pm
@@ -0,0 +1,315 @@
+#
+# 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 cloud::aws::vpn::mode::traffic;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+my %metrics_mapping = (
+    'TunnelState' => {
+        'output'    => 'Tunnel State',
+        'label'     => 'tunnel-state',
+        'nlabel'    => {
+            'absolute' => 'vpn.tunnel.tunnelstate'},
+        'unit'      => ''
+    },
+    'TunnelDataIn' => {
+        'output'    => 'Tunnel Data In',
+        'label'     => 'tunnel-datain',
+        'nlabel'    => {
+            'absolute' => 'vpn.tunnel.datain.bytes',
+            'per_second' => 'vpn.tunnel.datain.bytespersecond',
+        },
+        'unit'      => 'B'
+    },
+    'TunnelDataOut' => {
+        'output'    => 'Tunnel Data Out',
+        'label'     => 'tunnel-dataout',
+        'nlabel'    => {
+            'absolute' => 'vpn.tunnel.dataout.bytes',
+            'per_second' => 'vpn.tunnel.dataout.bytespersecond',
+        },
+        'unit'      => 'B'
+    }
+);
+
+
+sub custom_metric_calc {
+    my ($self, %options) = @_;
+
+    $self->{result_values}->{timeframe} = $options{new_datas}->{$self->{instance} . '_timeframe'};
+    $self->{result_values}->{value} = $options{new_datas}->{$self->{instance} . '_' . $options{extra_options}->{metric}};
+    $self->{result_values}->{value_per_sec} = $self->{result_values}->{value} / $self->{result_values}->{timeframe};
+    $self->{result_values}->{metric} = $options{extra_options}->{metric};
+    return 0;
+}
+
+sub custom_metric_calc_state {
+    my ($self, %options) = @_;
+
+    $self->{result_values}->{timeframe} = $options{new_datas}->{$self->{instance} . '_timeframe'};
+    $self->{result_values}->{value} = $options{new_datas}->{$self->{instance} . '_' . $options{extra_options}->{metric}};
+    $self->{result_values}->{value_per_sec} = $self->{result_values}->{value};
+    $self->{result_values}->{metric} = $options{extra_options}->{metric};
+    return 0;
+}
+
+sub custom_metric_threshold {
+    my ($self, %options) = @_;
+
+    my $exit = $self->{perfdata}->threshold_check(
+        value       => defined($self->{instance_mode}->{option_results}->{per_sec}) ? $self->{result_values}->{value_per_sec} : $self->{result_values}->{value},
+        threshold   => [ { label => 'critical-' . $metrics_mapping{$self->{result_values}->{metric}}->{label} , exit_litteral => 'critical' },
+                       { label => 'warning-' . $metrics_mapping{$self->{result_values}->{metric}}->{label}, exit_litteral => 'warning' } ]
+    );
+    return $exit;
+}
+
+sub custom_metric_perfdata {
+    my ($self, %options) = @_;
+
+    $self->{output}->perfdata_add(
+        instances => $self->{instance},
+        label       => $metrics_mapping{$self->{result_values}->{metric}}->{label},
+        nlabel      => defined($self->{instance_mode}->{option_results}->{per_sec}) ?
+            $metrics_mapping{$self->{result_values}->{metric}}->{nlabel}->{per_second} :
+            $metrics_mapping{$self->{result_values}->{metric}}->{nlabel}->{absolute},
+        unit        => defined($self->{instance_mode}->{option_results}->{per_sec}) ?
+            $metrics_mapping{$self->{result_values}->{metric}}->{unit} . '/s' :
+            $metrics_mapping{$self->{result_values}->{metric}}->{unit},
+        value       => sprintf("%.2f", defined($self->{instance_mode}->{option_results}->{per_sec}) ?
+            $self->{result_values}->{value_per_sec} :
+            $self->{result_values}->{value}),
+        warning     => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $metrics_mapping{$self->{result_values}->{metric}}->{label}),
+        critical    => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $metrics_mapping{$self->{result_values}->{metric}}->{label}),
+    );
+}
+
+sub custom_metric_perfdata_state {
+    my ($self, %options) = @_;
+
+    $self->{output}->perfdata_add(
+        instances   => $self->{instance},
+        label       => $metrics_mapping{$self->{result_values}->{metric}}->{label},
+        nlabel      => $metrics_mapping{$self->{result_values}->{metric}}->{nlabel}->{absolute},
+        unit        => $metrics_mapping{$self->{result_values}->{metric}}->{unit},
+        value       => sprintf("%.2f", $self->{result_values}->{value}),
+        warning     => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $metrics_mapping{$self->{result_values}->{metric}}->{label}),
+        critical    => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $metrics_mapping{$self->{result_values}->{metric}}->{label}),
+    );
+}
+
+sub custom_metric_output {
+    my ($self, %options) = @_;
+    my $msg = "";
+
+    if (defined($self->{instance_mode}->{option_results}->{per_sec})) {
+        my ($value, $unit) = ($metrics_mapping{$self->{result_values}->{metric}}->{unit} eq 'B') ?
+            $self->{perfdata}->change_bytes(value => $self->{result_values}->{value_per_sec}) :
+            ($self->{result_values}->{value_per_sec}, $metrics_mapping{$self->{result_values}->{metric}}->{unit});
+        $msg = sprintf("%s: %.2f %s", $metrics_mapping{$self->{result_values}->{metric}}->{output}, $value, $unit . '/s');
+    } else {
+        my ($value, $unit) = ($metrics_mapping{$self->{result_values}->{metric}}->{unit} eq 'B') ?
+            $self->{perfdata}->change_bytes(value => $self->{result_values}->{value}) :
+            ($self->{result_values}->{value}, $metrics_mapping{$self->{result_values}->{metric}}->{unit});
+        $msg = sprintf("%s: %.2f %s", $metrics_mapping{$self->{result_values}->{metric}}->{output}, $value, $unit);
+    }
+    return $msg;
+}
+
+sub custom_metric_output_state {
+    my ($self, %options) = @_;
+    my $msg = "";
+
+    my $value = $self->{result_values}->{value};
+    $msg = sprintf("%s: %.2f", $metrics_mapping{$self->{result_values}->{metric}}->{output}, $value);
+    return $msg;
+}
+
+sub prefix_metric_output {
+    my ($self, %options) = @_;
+
+    return "'" . $options{instance_value}->{display} . "' ";
+}
+
+sub prefix_statistics_output {
+    my ($self, %options) = @_;
+
+    return "Statistic '" . $options{instance_value}->{display} . "' Metrics ";
+}
+
+sub long_output {
+    my ($self, %options) = @_;
+
+    return "AWS VPN Tunnel'" . $options{instance_value}->{display} . "' ";
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+
+    $self->{maps_counters_type} = [
+        { name => 'metrics', type => 3, cb_prefix_output => 'prefix_metric_output', cb_long_output => 'long_output',
+          message_multiple => 'All VPN metrics are ok', indent_long_output => '    ',
+            group => [
+                { name => 'statistics', display_long => 1, cb_prefix_output => 'prefix_statistics_output',
+                  message_multiple => 'All metrics are ok', type => 1, skipped_code => { -10 => 1 } },
+            ]
+        }
+    ];
+
+    foreach my $metric (keys %metrics_mapping) {
+        my $entry = {
+            label => $metrics_mapping{$metric}->{label},
+            set => {
+                key_values                          => [ { name => $metric }, { name => 'timeframe' }, { name => 'display' } ],
+                closure_custom_calc                 => ($metric =~ /State/) ? $self->can('custom_metric_calc_state') :  $self->can('custom_metric_calc'),
+                closure_custom_calc_extra_options   => { metric => $metric },
+                closure_custom_output               => ($metric =~ /State/) ? $self->can('custom_metric_output_state') : $self->can('custom_metric_output'),
+                closure_custom_perfdata             => ($metric =~ /State/) ? $self->can('custom_metric_perfdata_state') : $self->can('custom_metric_perfdata'),
+                closure_custom_threshold_check      => $self->can('custom_metric_threshold'),
+            }
+        }
+        push @{$self->{maps_counters}->{statistics}}, $entry;
+    }
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'vpnid:s@'          => { name => 'vpn_id' },
+        'per-sec'           => { name => 'per_sec' },
+        'filter-metric:s'   => { name => 'filter_metric' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    if (!defined($self->{option_results}->{vpn_id}) || $self->{option_results}->{vpn_id} eq '') {
+        $self->{output}->add_option_msg(short_msg => "Need to specify --vpnid option.");
+        $self->{output}->option_exit();
+    };
+
+    foreach my $instance (@{$self->{option_results}->{vpn_id}}) {
+        if ($instance ne '') {
+            push @{$self->{aws_instance}}, $instance;
+        };
+    }
+
+    $self->{aws_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 600;
+    $self->{aws_period} = defined($self->{option_results}->{period}) ? $self->{option_results}->{period} : 60;
+
+    $self->{aws_statistics} = ['Average'];
+    if (defined($self->{option_results}->{statistic})) {
+        $self->{aws_statistics} = [];
+        foreach my $stat (@{$self->{option_results}->{statistic}}) {
+            if ($stat ne '') {
+                push @{$self->{aws_statistics}}, ucfirst(lc($stat));
+            }
+        }
+    };
+    foreach my $metric (keys %metrics_mapping) {
+        next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
+            && $metric !~ /$self->{option_results}->{filter_metric}/);
+        push @{$self->{aws_metrics}}, $metric;
+    };
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my %metric_results;
+    foreach my $instance (@{$self->{aws_instance}}) {
+        $metric_results{$instance} = $options{custom}->cloudwatch_get_metrics(
+            region      => $self->{option_results}->{region},
+            namespace   => 'AWS/VPN',
+            dimensions  => [ { Name => 'VpnId', Value => $instance } ],
+            metrics     => $self->{aws_metrics},
+            statistics  => $self->{aws_statistics},
+            timeframe   => $self->{aws_timeframe},
+            period      => $self->{aws_period},
+        );
+
+        foreach my $metric (@{$self->{aws_metrics}}) {
+            foreach my $statistic (@{$self->{aws_statistics}}) {
+                next if (!defined($metric_results{$instance}->{$metric}->{lc($statistic)}) &&
+                    !defined($self->{option_results}->{zeroed}));
+                $self->{metrics}->{$instance}->{display} = $instance;
+                $self->{metrics}->{$instance}->{statistics}->{lc($statistic)}->{display} = $statistic;
+                $self->{metrics}->{$instance}->{statistics}->{lc($statistic)}->{timeframe} = $self->{aws_timeframe};
+                $self->{metrics}->{$instance}->{statistics}->{lc($statistic)}->{$metric} =
+                    defined($metric_results{$instance}->{$metric}->{lc($statistic)}) ?
+                    $metric_results{$instance}->{$metric}->{lc($statistic)} : 0;
+            }
+        }
+    }
+
+    if (scalar(keys %{$self->{metrics}}) <= 0) {
+        $self->{output}->add_option_msg(short_msg => 'No metrics. Check your options or use --zeroed option to set 0 on undefined values');
+        $self->{output}->option_exit();
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check AWS VPN Connection.
+
+Example:
+perl centreon_plugins.pl --plugin=cloud::aws::vpn::plugin --custommode=awscli --mode=traffic --region='eu-west-1'
+--vpnid='vpn-1234567890abcdefg' --warning-tunnel-state='1:' --critical-tunnel-state='0.5:' --warning --verbose
+
+See 'https://docs.aws.amazon.com/vpn/latest/s2svpn/monitoring-cloudwatch-vpn.html' for more information.
+
+
+=over 8
+
+=item B<--vpnid>
+
+Set the VpnId (Required).
+
+=item B<--filter-metric>
+
+Filter on a specific metric.
+Can be: TunnelState, TunnelDataIn, TunnelDataOut
+
+=item B<--warning-$metric$>
+
+Warning thresholds ($metric$ can be: 'tunnel-state', 'tunnel-datain', 'tunnel-dataout').
+
+=item B<--critical-$metric$>
+
+Critical thresholds ($metric$ can be: 'tunnel-state', 'tunnel-datain', 'tunnel-dataout').
+
+=back
+
+=cut
diff --git a/centreon-plugins/cloud/aws/vpn/plugin.pm b/centreon-plugins/cloud/aws/vpn/plugin.pm
new file mode 100644
index 000000000..208a13de7
--- /dev/null
+++ b/centreon-plugins/cloud/aws/vpn/plugin.pm
@@ -0,0 +1,52 @@
+#
+# 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 cloud::aws::vpn::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} = '1.0';
+    %{ $self->{modes} } = (
+        'traffic'     => 'cloud::aws::vpn::mode::traffic',
+        'listvpn'     => 'cloud::aws::vpn::mode::listvpn',
+        'discovery'   => 'cloud::aws::vpn::mode::discovery'
+    );
+
+    $self->{custom_modes}{paws} = 'cloud::aws::custom::paws';
+    $self->{custom_modes}{awscli} = 'cloud::aws::custom::awscli';
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Amazon Site-To-Site VPN (Amazon VPN).
+
+=cut

From 2a4ab14bd5bfb14d89051fbbba6318da2fa5714f Mon Sep 17 00:00:00 2001
From: thibaults-centreon <tscheitenberger@centreon.com>
Date: Fri, 10 Apr 2020 14:27:09 +0200
Subject: [PATCH 2/4] add(plugin): AWS VPN

---
 centreon-plugins/cloud/aws/vpn/mode/listvpn.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/centreon-plugins/cloud/aws/vpn/mode/listvpn.pm b/centreon-plugins/cloud/aws/vpn/mode/listvpn.pm
index ff7fdcfc7..6cb8eb17d 100644
--- a/centreon-plugins/cloud/aws/vpn/mode/listvpn.pm
+++ b/centreon-plugins/cloud/aws/vpn/mode/listvpn.pm
@@ -87,7 +87,7 @@ __END__
 
 =head1 MODE
 
-List EC2 instances.
+List VPN instances.
 
 =over 8
 

From c08aa99a9eb3b20b8b4cfe174e5cf5caf5fa5bd9 Mon Sep 17 00:00:00 2001
From: thibaults-centreon <tscheitenberger@centreon.com>
Date: Fri, 10 Apr 2020 14:33:55 +0200
Subject: [PATCH 3/4] fix trailing spaces

---
 centreon-plugins/cloud/aws/custom/paws.pm | 57 +++++++++++------------
 1 file changed, 28 insertions(+), 29 deletions(-)

diff --git a/centreon-plugins/cloud/aws/custom/paws.pm b/centreon-plugins/cloud/aws/custom/paws.pm
index 030aa81bc..23b06c1d0 100644
--- a/centreon-plugins/cloud/aws/custom/paws.pm
+++ b/centreon-plugins/cloud/aws/custom/paws.pm
@@ -39,6 +39,7 @@ sub new {
         $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 => {
             'aws-secret-key:s'    => { name => 'aws_secret_key' },
@@ -52,23 +53,28 @@ sub new {
         });
     }
     $options{options}->add_help(package => __PACKAGE__, sections => 'PAWS OPTIONS', once => 1);
+
     $self->{output} = $options{output};
     $self->{mode} = $options{mode};
+
     return $self;
 }
 
 sub get_region {
     my ($self, %options) = @_;
+
     return $self->{option_results}->{region};
 }
 
 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++) {
@@ -89,16 +95,19 @@ sub check_options {
         $ENV{HTTP_PROXY} = $self->{option_results}->{proxyurl};
         $ENV{HTTPS_PROXY} = $self->{option_results}->{proxyurl};
     }
+
     if (defined($self->{option_results}->{aws_secret_key}) && $self->{option_results}->{aws_secret_key} ne '') {
         $ENV{AWS_SECRET_KEY} = $self->{option_results}->{aws_secret_key};
     }
     if (defined($self->{option_results}->{aws_access_key}) && $self->{option_results}->{aws_access_key} ne '') {
         $ENV{AWS_ACCESS_KEY} = $self->{option_results}->{aws_access_key};
     }
+
     if (!defined($self->{option_results}->{region}) || $self->{option_results}->{region} eq '') {
         $self->{output}->add_option_msg(short_msg => "Need to specify --region option.");
         $self->{output}->option_exit();
     }
+
     if (defined($self->{option_results}->{statistic})) {
         foreach my $statistic (@{$self->{option_results}->{statistic}}) {
             if ($statistic !~ /minimum|maximum|average|sum/) {
@@ -107,6 +116,7 @@ sub check_options {
             }
         }
     }
+
     return 0;
 }
 
@@ -119,6 +129,7 @@ sub cloudwatch_get_metrics {
         my $cw = Paws->service('CloudWatch', caller => $lwp_caller, region => $options{region});
         my $start_time = DateTime->now->subtract(seconds => $options{timeframe})->iso8601;
         my $end_time = DateTime->now->iso8601;
+
         foreach my $metric_name (@{$options{metrics}}) {
             my $metric_result = $cw->GetMetricStatistics(
                 MetricName => $metric_name,
@@ -131,6 +142,7 @@ sub cloudwatch_get_metrics {
                 #Unit => $unit,
                 Dimensions => $options{dimensions},
             );
+
             $metric_results->{$metric_result->{Label}} = { points => 0 };
             foreach my $point (@{$metric_result->{Datapoints}}) {
                 if (defined($point->{Average})) {
@@ -149,6 +161,7 @@ sub cloudwatch_get_metrics {
                     $metric_results->{$metric_result->{Label}}->{sum} = 0 if (!defined($metric_results->{$metric_result->{Label}}->{sum}));
                     $metric_results->{$metric_result->{Label}}->{sum} += $point->{Sum};
                 }
+
                 $metric_results->{$metric_result->{Label}}->{points}++;
             }
 
@@ -161,6 +174,7 @@ sub cloudwatch_get_metrics {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
+
     return $metric_results;
 }
 
@@ -220,6 +234,7 @@ sub cloudwatch_list_metrics {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
+
     return $metric_results;
 }
 
@@ -244,6 +259,7 @@ sub cloudwatchlogs_describe_log_groups {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
+
     return $log_groups_results;
 }
 
@@ -261,6 +277,7 @@ sub cloudwatchlogs_filter_log_events {
             foreach (@{$list_log_groups->{logGroups}}) {
                 push @$log_groups_results, $_;
             }
+
             last if (!defined($list_log_groups->{NextToken}));
             $cw_options{NextToken} = $list_log_groups->{NextToken};
         }
@@ -269,6 +286,7 @@ sub cloudwatchlogs_filter_log_events {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
+
     return $log_groups_results;
 }
 
@@ -280,6 +298,7 @@ sub ec2_get_instances_status {
         my $lwp_caller = new Paws::Net::LWPCaller();
         my $ec2 = Paws->service('EC2', caller => $lwp_caller, region => $options{region});
         my $instances = $ec2->DescribeInstanceStatus(DryRun => 0, IncludeAllInstances => 1);
+
         foreach (@{$instances->{InstanceStatuses}}) {
             $instance_results->{$_->{InstanceId}} = { state => $_->{InstanceState}->{Name},
                                                       status => => $_->{InstanceStatus}->{Status} };
@@ -301,6 +320,7 @@ sub ec2_list_resources {
         my $lwp_caller = new Paws::Net::LWPCaller();
         my $ec2 = Paws->service('EC2', caller => $lwp_caller, region => $options{region});
         my $list_instances = $ec2->DescribeInstances(DryRun => 0);
+
         foreach my $reservation (@{$list_instances->{Reservations}}) {
             foreach my $instance (@{$reservation->{Instances}}) {
                 my @instance_tags;
@@ -308,7 +328,7 @@ sub ec2_list_resources {
                     my %already = map { $_->{Name} => $_ } @{$resource_results};
                     if ($tag->{Key} eq "aws:autoscaling:groupName") {
                         next if (defined($already{$tag->{Value}}));
-                        push @{$resource_results}, {
+                        push @{$resource_results}, { 
                             Name => $tag->{Value},
                             Type => 'asg',
                         };
@@ -316,7 +336,7 @@ sub ec2_list_resources {
                         push @instance_tags, $tag->{Key} . ":" . $tag->{Value};
                     }
                 }
-                push @{$resource_results}, {
+                push @{$resource_results}, { 
                     Name => $instance->{InstanceId},
                     Type => 'instance',
                     AvailabilityZone => $instance->{Placement}->{AvailabilityZone},
@@ -381,6 +401,7 @@ sub rds_list_instances {
         my $lwp_caller = new Paws::Net::LWPCaller();
         my $rds = Paws->service('RDS', caller => $lwp_caller, region => $options{region});
         my $list_instances = $rds->DescribeDBInstances();
+
         foreach my $instance (@{$list_instances->{DBInstances}}) {
             push @{$instance_results}, {
                 Name => $instance->{DBInstanceIdentifier},
@@ -395,16 +416,19 @@ sub rds_list_instances {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
+
     return $instance_results;
 }
 
 sub rds_list_clusters {
     my ($self, %options) = @_;
+
     my $cluster_results = [];
     eval {
         my $lwp_caller = new Paws::Net::LWPCaller();
         my $rds = Paws->service('RDS', caller => $lwp_caller, region => $options{region});
         my $list_clusters = $rds->DescribeDBClusters();
+
         foreach my $cluster (@{$list_clusters->{DBClusters}}) {
             push @{$cluster_results}, {
                 Name => $cluster->{DBClusterIdentifier},
@@ -418,6 +442,7 @@ sub rds_list_clusters {
         $self->{output}->add_option_msg(short_msg => "error: $@");
         $self->{output}->option_exit();
     }
+
     return $cluster_results;
 }
 
@@ -453,56 +478,30 @@ sub vpn_list_connections {
 1;
 
 __END__
-
 =head1 NAME
-
 Amazon AWS
-
 =head1 SYNOPSIS
-
 Amazon AWS
-
 =head1 PAWS OPTIONS
-
 =over 8
-
 =item B<--aws-secret-key>
-
 Set AWS secret key.
-
 =item B<--aws-access-key>
-
 Set AWS access key.
-
 =item B<--region>
-
 Set the region name (Required).
-
 =item B<--period>
-
 Set period in seconds.
-
 =item B<--timeframe>
-
 Set timeframe in seconds.
-
 =item B<--statistic>
-
 Set cloudwatch statistics (Can be: 'minimum', 'maximum', 'average', 'sum').
-
 =item B<--zeroed>
-
 Set metrics value to 0 if none. Usefull when CloudWatch
 does not return value when not defined.
-
 =item B<--proxyurl>
-
 Proxy URL if any
-
 =back
-
 =head1 DESCRIPTION
-
 B<custom>.
-
-=cut
+=cut
\ No newline at end of file

From 4dcee2dee9ef577dd4fb48d9fd2b99810901b518 Mon Sep 17 00:00:00 2001
From: thibaults-centreon <tscheitenberger@centreon.com>
Date: Fri, 10 Apr 2020 14:38:32 +0200
Subject: [PATCH 4/4] fix help

---
 centreon-plugins/cloud/aws/custom/paws.pm | 29 ++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/centreon-plugins/cloud/aws/custom/paws.pm b/centreon-plugins/cloud/aws/custom/paws.pm
index 23b06c1d0..cc899ba34 100644
--- a/centreon-plugins/cloud/aws/custom/paws.pm
+++ b/centreon-plugins/cloud/aws/custom/paws.pm
@@ -478,30 +478,57 @@ sub vpn_list_connections {
 1;
 
 __END__
+
 =head1 NAME
+
 Amazon AWS
+
 =head1 SYNOPSIS
+
 Amazon AWS
+
 =head1 PAWS OPTIONS
+
 =over 8
+
 =item B<--aws-secret-key>
+
 Set AWS secret key.
+
 =item B<--aws-access-key>
+
 Set AWS access key.
+
 =item B<--region>
+
 Set the region name (Required).
+
 =item B<--period>
+
 Set period in seconds.
+
 =item B<--timeframe>
+
 Set timeframe in seconds.
+
 =item B<--statistic>
-Set cloudwatch statistics (Can be: 'minimum', 'maximum', 'average', 'sum').
+
+Set cloudwatch statistics
+(Can be: 'minimum', 'maximum', 'average', 'sum').
+
 =item B<--zeroed>
+
 Set metrics value to 0 if none. Usefull when CloudWatch
 does not return value when not defined.
+
 =item B<--proxyurl>
+
 Proxy URL if any
+
 =back
+
 =head1 DESCRIPTION
+
 B<custom>.
+
 =cut
\ No newline at end of file