From 920f5f903f56aacd2c2221436a7f6720080a2e5a Mon Sep 17 00:00:00 2001
From: Thibault S <48209914+thibaults-centreon@users.noreply.github.com>
Date: Mon, 25 Jan 2021 11:07:53 +0100
Subject: [PATCH] add(plugin): Azure Load Balancer (#2536)

---
 cloud/azure/custom/mode.pm                    | 216 ++++++++++++++++++
 .../network/loadbalancer/mode/datapath.pm     | 141 ++++++++++++
 .../network/loadbalancer/mode/discovery.pm    |  60 +++++
 .../network/loadbalancer/mode/healthprobe.pm  | 142 ++++++++++++
 cloud/azure/network/loadbalancer/mode/snat.pm | 161 +++++++++++++
 .../network/loadbalancer/mode/throughput.pm   | 152 ++++++++++++
 cloud/azure/network/loadbalancer/plugin.pm    |  64 ++++++
 7 files changed, 936 insertions(+)
 create mode 100644 cloud/azure/custom/mode.pm
 create mode 100644 cloud/azure/network/loadbalancer/mode/datapath.pm
 create mode 100644 cloud/azure/network/loadbalancer/mode/discovery.pm
 create mode 100644 cloud/azure/network/loadbalancer/mode/healthprobe.pm
 create mode 100644 cloud/azure/network/loadbalancer/mode/snat.pm
 create mode 100644 cloud/azure/network/loadbalancer/mode/throughput.pm
 create mode 100644 cloud/azure/network/loadbalancer/plugin.pm

diff --git a/cloud/azure/custom/mode.pm b/cloud/azure/custom/mode.pm
new file mode 100644
index 000000000..558e53a5f
--- /dev/null
+++ b/cloud/azure/custom/mode.pm
@@ -0,0 +1,216 @@
+#
+# 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::azure::custom::mode;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+
+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 => {
+        'filter-dimension:s' => { name => 'filter_dimension' },
+        'per-sec'            => { name => 'per_second'}
+    });
+
+    $options{options}->add_help(package => __PACKAGE__, sections => 'CUSTOM MODE OPTIONS', once => 1);
+
+    return $self;
+}
+
+sub custom_metric_calc {
+    my ($self, %options) = @_;
+
+    $self->{result_values}->{timeframe} = $options{new_datas}->{$self->{instance} . '_timeframe'};
+    $self->{result_values}->{value}->{absolute} = $options{new_datas}->{$self->{instance} . '_' . $options{extra_options}->{metric}};
+    $self->{result_values}->{value}->{per_second} = $self->{result_values}->{value}->{absolute} / $self->{result_values}->{timeframe};
+    $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_second}) ? $self->{result_values}->{value}->{per_second} : $self->{result_values}->{value}->{absolute},
+        threshold => [
+            { label => 'critical-' . $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{label} , exit_litteral => 'critical' },
+            { label => 'warning-' . $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{label}, exit_litteral => 'warning' }
+        ]
+    );
+    return $exit;
+}
+
+sub custom_metric_perfdata {
+    my ($self, %options) = @_;
+    my $options = $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}};
+    my $value = defined($self->{instance_mode}->{option_results}->{per_second}) ? $self->{result_values}->{value}->{per_second} : $self->{result_values}->{value}->{absolute};
+    my $format = defined($self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{template}) ? $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{template} : '%.2f';
+    if (defined($self->{instance_mode}->{option_results}->{per_second})) {
+        $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{nlabel} .= '.persecond';
+        $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{unit} .= '/s';
+    }
+
+    $self->{output}->perfdata_add(
+        instances => $self->{instance},
+        value     => sprintf($format, $value),
+        warning   => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{label}),
+        critical  => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{label}),
+        %{$options}
+    );
+}
+
+sub custom_metric_output {
+    my ($self, %options) = @_;
+
+    my ($value, $unit) = $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{unit} eq 'B' ?
+        $self->{perfdata}->change_bytes(value => $self->{result_values}->{value}->{absolute}) :
+        ($self->{result_values}->{value}->{absolute}, $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{unit});
+
+    if (defined($self->{instance_mode}->{option_results}->{per_second})) {
+        ($value, $unit) = $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{unit} eq 'B' ?
+            $self->{perfdata}->change_bytes(value => $self->{result_values}->{value}->{per_second}) :
+            ($self->{result_values}->{value}->{per_second}, $unit);
+        $unit .=  '/s';
+    }
+    my $format = defined($self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{template}) ? $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{template} : '%.2f';
+
+    return sprintf('%s: ' . $format . '%s', $self->{instance_mode}->{metrics_mapping}->{$self->{result_values}->{metric}}->{output}, $value, $unit);
+}
+
+sub prefix_metric_output {
+    my ($self, %options) = @_;
+
+    return "Instance '" . $options{instance_value}->{display} . "' ";
+}
+
+sub prefix_statistics_output {
+    my ($self, %options) = @_;
+
+    return "Statistic '" . $options{instance_value}->{display} . "' Metrics ";
+}
+
+sub long_output {
+    my ($self, %options) = @_;
+
+    return "Checking '" . $options{instance_value}->{display} . "' ";
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+    $self->{metrics_mapping} = $self->get_metrics_mapping;
+
+    $self->{maps_counters_type} = [
+        { name => 'metrics', type => 3, cb_prefix_output => 'prefix_metric_output', cb_long_output => 'long_output',
+          message_multiple => 'All 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 $metric (keys %{$self->{metrics_mapping}}) {
+        my $entry = {
+            label => $self->{metrics_mapping}->{$metric}->{label},
+            set => {
+                key_values                        => [ { name => $metric }, { name => 'timeframe' }, { name => 'display' } ],
+                closure_custom_calc               => $self->can('custom_metric_calc'),
+                closure_custom_calc_extra_options => { metric => $metric },
+                closure_custom_output             => $self->can('custom_metric_output'),
+                closure_custom_perfdata           => $self->can('custom_metric_perfdata'),
+                closure_custom_threshold_check    => $self->can('custom_metric_threshold')
+            }
+        };
+        push @{$self->{maps_counters}->{statistics}}, $entry;
+    }
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    my %metric_results;
+    my $raw_results;
+
+    if (defined($self->{option_results}->{filter_dimension}) && $self->{option_results}->{filter_dimension} ne '') {
+        $self->{az_dimension} = $self->{option_results}->{filter_dimension};
+    }
+
+    ($metric_results{$self->{az_resource}}, $raw_results) = $options{custom}->azure_get_metrics(
+        aggregations       => $self->{az_aggregations},
+        dimension          => $self->{az_dimension},
+        interval           => $self->{az_interval},
+        metrics            => $self->{az_metrics},
+        resource           => $self->{az_resource},
+        resource_group     => $self->{az_resource_group},
+        resource_namespace => $self->{az_resource_namespace},
+        resource_type      => $self->{az_resource_type},
+        timeframe          => $self->{az_timeframe}
+    );
+
+    foreach my $metric (@{$self->{az_metrics}}) {
+        foreach my $aggregation (@{$self->{az_aggregations}}) {
+            next if (!defined($metric_results{$self->{az_resource}}->{$metric}->{lc($aggregation)}) && !defined($self->{option_results}->{zeroed}));
+
+            $self->{metrics}->{$self->{az_resource}}->{display} = $self->{az_resource};
+            $self->{metrics}->{$self->{az_resource}}->{statistics}->{lc($aggregation)}->{display} = lc($aggregation);
+            $self->{metrics}->{$self->{az_resource}}->{statistics}->{lc($aggregation)}->{timeframe} = $self->{az_timeframe};
+            $self->{metrics}->{$self->{az_resource}}->{statistics}->{lc($aggregation)}->{$metric} =
+                defined($metric_results{$self->{az_resource}}->{$metric}->{lc($aggregation)}) ?
+                $metric_results{$self->{az_resource}}->{$metric}->{lc($aggregation)} : 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');
+        $self->{output}->option_exit();
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Azure custom class for monitor based modes.
+
+=head1 CUSTOM MODE OPTIONS
+
+=over 8
+
+=item B<--filter-dimension>
+
+Specify the metric dimension (required for some specific metrics)
+Syntax example:
+--filter-dimension="$metricname eq '$metricvalue'"
+
+=item B<--per-sec>
+
+Display the statistics based on a per-second period.
+
+=back
+
+=cut
diff --git a/cloud/azure/network/loadbalancer/mode/datapath.pm b/cloud/azure/network/loadbalancer/mode/datapath.pm
new file mode 100644
index 000000000..4e98545c3
--- /dev/null
+++ b/cloud/azure/network/loadbalancer/mode/datapath.pm
@@ -0,0 +1,141 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package cloud::azure::network::loadbalancer::mode::datapath;
+
+use base qw(cloud::azure::custom::mode);
+
+use strict;
+use warnings;
+
+sub get_metrics_mapping {
+    my ($self, %options) = @_;
+
+    my $metrics_mapping = {
+        'vipavailability' => {
+            'output' => 'Data Path (VIP) Availability',
+            'label'  => 'datapath-availability-percentage',
+            'nlabel' => 'loadbalancer.datapath.availability.percentage',
+            'unit'   => '%',
+            'min'    => '0',
+            'max'    => '100'
+        }
+    };
+
+    return $metrics_mapping;
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter-metric:s'  => { name => 'filter_metric' },
+        'resource:s'       => { name => 'resource' },
+        'resource-group:s' => { name => 'resource_group' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    if (!defined($self->{option_results}->{resource}) || $self->{option_results}->{resource} eq '') {
+        $self->{output}->add_option_msg(short_msg => 'Need to specify either --resource <name> with --resource-group option or --resource <id>.');
+        $self->{output}->option_exit();
+    }
+    my $resource = $self->{option_results}->{resource};
+    my $resource_group = defined($self->{option_results}->{resource_group}) ? $self->{option_results}->{resource_group} : '';
+    if ($resource =~ /^\/subscriptions\/.*\/resourceGroups\/(.*)\/providers\/Microsoft\.Network\/loadBalancers\/(.*)$/) {
+        $resource_group = $1;
+        $resource = $2;
+    }
+
+    $self->{az_resource} = $resource;
+    $self->{az_resource_group} = $resource_group;
+    $self->{az_resource_type} = 'loadBalancers';
+    $self->{az_resource_namespace} = 'Microsoft.Network';
+    $self->{az_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 900;
+    $self->{az_interval} = defined($self->{option_results}->{interval}) ? $self->{option_results}->{interval} : 'PT5M';
+    $self->{az_aggregations} = ['Average'];
+    if (defined($self->{option_results}->{aggregation})) {
+        $self->{az_aggregations} = [];
+        foreach my $stat (@{$self->{option_results}->{aggregation}}) {
+            if ($stat ne '') {
+                push @{$self->{az_aggregations}}, ucfirst(lc($stat));
+            }
+        }
+    }
+
+    foreach my $metric (keys %{$self->{metrics_mapping}}) {
+        next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
+            && $metric !~ /$self->{option_results}->{filter_metric}/);
+        push @{$self->{az_metrics}}, $metric;
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Azure Network Load Balancers Data Path metrics.
+
+Example:
+
+Using resource name :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::loadbalancer::plugin --mode=datapath --custommode=azcli
+--resource=<loadbalancer_id> --resource-group=<resourcegroup_id> --aggregation='average'
+--warning-datapath-availability-percentage='100:' --critical-datapath-availability-percentage='50:'
+
+Using resource id :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::loadbalancer::plugin --mode=datapath --custommode=azcli
+--resource='/subscriptions/<subscription_id>/resourceGroups/<resourcegroup_id>/providers/Microsoft.Network/loadBalancers/<loadbalancer_id>'
+--aggregation='average' --warning-datapath-availability-percentage='100:' --critical-datapath-availability-percentage='50:'
+
+Default aggregation: 'average' / 'total', 'minimum' and 'maximum' are valid.
+
+=over 8
+
+=item B<--resource>
+
+Set resource name or id (Required).
+
+=item B<--resource-group>
+
+Set resource group (Required if resource's name is used).
+
+=item B<--warning-datapath-availability-percentage>
+
+Warning threshold.
+
+=item B<--critical-datapath-availability-percentage>
+
+Critical threshold.
+
+=back
+
+=cut
diff --git a/cloud/azure/network/loadbalancer/mode/discovery.pm b/cloud/azure/network/loadbalancer/mode/discovery.pm
new file mode 100644
index 000000000..18c2cd0af
--- /dev/null
+++ b/cloud/azure/network/loadbalancer/mode/discovery.pm
@@ -0,0 +1,60 @@
+#
+# 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::azure::network::loadbalancer::mode::discovery;
+
+use base qw(cloud::azure::management::monitor::mode::discovery);
+
+use strict;
+use warnings;
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $self->{namespace} = 'Microsoft.Network';
+    $self->{type} = 'loadBalancers';
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Azure Load Balancers discovery.
+
+=over 8
+
+=item B<--resource-group>
+
+Specify resource group.
+
+=item B<--location>
+
+Specify location.
+
+=item B<--prettify>
+
+Prettify JSON output.
+
+=back
+
+=cut
diff --git a/cloud/azure/network/loadbalancer/mode/healthprobe.pm b/cloud/azure/network/loadbalancer/mode/healthprobe.pm
new file mode 100644
index 000000000..eaaaadd95
--- /dev/null
+++ b/cloud/azure/network/loadbalancer/mode/healthprobe.pm
@@ -0,0 +1,142 @@
+#
+# Copyright 2020 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package cloud::azure::network::loadbalancer::mode::healthprobe;
+
+use base qw(cloud::azure::custom::mode);
+
+use strict;
+use warnings;
+
+sub get_metrics_mapping {
+    my ($self, %options) = @_;
+
+    my $metrics_mapping = {
+        'dipavailability' => {
+            'output' => 'Health probe status (DIP) availability',
+            'label'  => 'healthprobe-availibility-percentage',
+            'nlabel' => 'loadbalancer.healthprobe.availability.percentage',
+            'unit'   => '%',
+            'min'    => '0',
+            'max'    => '100'
+        }
+    };
+
+    return $metrics_mapping;
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter-metric:s'  => { name => 'filter_metric' },
+        'resource:s'       => { name => 'resource' },
+        'resource-group:s' => { name => 'resource_group' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    if (!defined($self->{option_results}->{resource}) || $self->{option_results}->{resource} eq '') {
+        $self->{output}->add_option_msg(short_msg => 'Need to specify either --resource <name> with --resource-group option or --resource <id>.');
+        $self->{output}->option_exit();
+    }
+    my $resource = $self->{option_results}->{resource};
+    my $resource_group = defined($self->{option_results}->{resource_group}) ? $self->{option_results}->{resource_group} : '';
+    if ($resource =~ /^\/subscriptions\/.*\/resourceGroups\/(.*)\/providers\/Microsoft\.Network\/loadBalancers\/(.*)$/) {
+        $resource_group = $1;
+        $resource = $2;
+    }
+
+    $self->{az_resource} = $resource;
+    $self->{az_resource_group} = $resource_group;
+    $self->{az_resource_type} = 'loadBalancers';
+    $self->{az_resource_namespace} = 'Microsoft.Network';
+    $self->{az_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 900;
+    $self->{az_interval} = defined($self->{option_results}->{interval}) ? $self->{option_results}->{interval} : 'PT5M';
+    $self->{az_aggregations} = ['Average'];
+    if (defined($self->{option_results}->{aggregation})) {
+        $self->{az_aggregations} = [];
+        foreach my $stat (@{$self->{option_results}->{aggregation}}) {
+            if ($stat ne '') {
+                push @{$self->{az_aggregations}}, ucfirst(lc($stat));
+            }
+        }
+    }
+
+    foreach my $metric (keys %{$self->{metrics_mapping}}) {
+        next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
+            && $metric !~ /$self->{option_results}->{filter_metric}/);
+
+        push @{$self->{az_metrics}}, $metric;
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Azure Network Load Balancers DIP metrics.
+
+Example:
+
+Using resource name :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::loadbalancer::plugin --mode=healthprobe --custommode=azcli
+--resource=<loadbalancer_id> --resource-group=<resourcegroup_id> --aggregation='average'
+--warning-healthprobe-availibility-percentage=100: --critical-healthprobe-availibility-percentage='50:'
+
+Using resource id :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::loadbalancer::plugin --mode=datapath --custommode=azcli
+--resource='/subscriptions/<subscription_id>/resourceGroups/<resourcegroup_id>/providers/Microsoft.Network/loadBalancers/<loadbalancer_id>'
+--aggregation='average' --warning-healthprobe-availibility-percentage=100: --critical-healthprobe-availibility-percentage='50:'
+
+Default aggregation: 'average' / 'total', 'minimum' and 'maximum' are valid.
+
+=over 8
+
+=item B<--resource>
+
+Set resource name or id (Required).
+
+=item B<--resource-group>
+
+Set resource group (Required if resource's name is used).
+
+=item B<---warning-healthprobe-availibility-percentage>
+
+Warning threshold.
+
+=item B<--critical-healthprobe-availibility-percentage>
+
+Critical threshold.
+
+=back
+
+=cut
diff --git a/cloud/azure/network/loadbalancer/mode/snat.pm b/cloud/azure/network/loadbalancer/mode/snat.pm
new file mode 100644
index 000000000..63a6bbbd2
--- /dev/null
+++ b/cloud/azure/network/loadbalancer/mode/snat.pm
@@ -0,0 +1,161 @@
+#
+# 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::azure::network::loadbalancer::mode::snat;
+
+use base qw(cloud::azure::custom::mode);
+
+use strict;
+use warnings;
+
+sub get_metrics_mapping {
+    my ($self, %options) = @_;
+
+    my $metrics_mapping = {
+        'allocatedsnatports' => {
+            'output'   => 'Allocated SNAT Ports',
+            'label'    => 'snat-ports-allocated',
+            'nlabel'   => 'loadbalancer.snat.ports.allocated.count',
+            'unit'     => '',
+            'template' => '%s',
+            'min'      => '0'
+        },
+        'snatconnectioncount' => {
+            'output' => 'SNAT Connection Count',
+            'label'  => 'snat-connection-count',
+            'nlabel' => 'loadbalancer.snat.connection.count',
+            'unit'   => '',
+            'min'    => '0'
+        },
+        'usedsnatports' => {
+            'output' => 'Used SNAT Ports',
+            'label'  => 'snat-ports-used',
+            'nlabel' => 'loadbalancer.snat.ports.used.count',
+            'unit'   => '',
+            'min'    => '0'
+        }
+    };
+
+    return $metrics_mapping;
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter-metric:s'  => { name => 'filter_metric' },
+        'resource:s'       => { name => 'resource' },
+        'resource-group:s' => { name => 'resource_group' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    if (!defined($self->{option_results}->{resource}) || $self->{option_results}->{resource} eq '') {
+        $self->{output}->add_option_msg(short_msg => 'Need to specify either --resource <name> with --resource-group option or --resource <id>.');
+        $self->{output}->option_exit();
+    }
+
+    my $resource = $self->{option_results}->{resource};
+    my $resource_group = defined($self->{option_results}->{resource_group}) ? $self->{option_results}->{resource_group} : '';
+    if ($resource =~ /^\/subscriptions\/.*\/resourceGroups\/(.*)\/providers\/Microsoft\.Network\/loadBalancers\/(.*)$/) {
+        $resource_group = $1;
+        $resource = $2;
+    }
+
+    $self->{az_resource} = $resource;
+    $self->{az_resource_group} = $resource_group;
+    $self->{az_resource_type} = 'loadBalancers';
+    $self->{az_resource_namespace} = 'Microsoft.Network';
+    $self->{az_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 900;
+    $self->{az_interval} = defined($self->{option_results}->{interval}) ? $self->{option_results}->{interval} : 'PT5M';
+    $self->{az_aggregations} = ['Average'];
+    if (defined($self->{option_results}->{aggregation})) {
+        $self->{az_aggregations} = [];
+        foreach my $stat (@{$self->{option_results}->{aggregation}}) {
+            if ($stat ne '') {
+                push @{$self->{az_aggregations}}, ucfirst(lc($stat));
+            }
+        }
+    }
+
+    foreach my $metric (keys %{$self->{metrics_mapping}}) {
+        next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
+            && $metric !~ /$self->{option_results}->{filter_metric}/);
+        push @{$self->{az_metrics}}, $metric;
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Azure Network Load Balancers SNAT metrics.
+
+Example:
+
+Using resource name :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::loadbalancer::plugin --mode=snat --custommode=azcli
+--resource=<loadbalancer_id> --resource-group=<resourcegroup_id> --aggregation='average'
+--warning-snat-connection-count='800' --critical-snat-connection-count=='900'
+
+Using resource id :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::loadbalancer::plugin --mode=datapath --custommode=azcli
+--resource='/subscriptions/<subscription_id>/resourceGroups/<resourcegroup_id>/providers/Microsoft.Network/loadBalancers/<loadbalancer_id>'
+--aggregation='average' --warning-snat-connection-count='800' --critical-snat-connection-count=='900'
+
+Default aggregation: 'average' / 'total', 'minimum' and 'maximum' are valid.
+
+=over 8
+
+=item B<--resource>
+
+Set resource name or id (Required).
+
+=item B<--resource-group>
+
+Set resource group (Required if resource's name is used).
+
+=item B<--filter-metric>
+
+Filter on specific metrics. The Azure format must be used, for example: 'sessions_percent'
+(Can be a regexp).
+
+=item B<---warning-*>
+
+Warning threshold where * can be: snat-connection-count, snat-ports-used, snat-ports-allocated.
+
+=item B<--critical-*>
+
+Critical threshold where * can be: snat-connection-count, snat-ports-used, snat-ports-allocated..
+
+=back
+
+=cut
diff --git a/cloud/azure/network/loadbalancer/mode/throughput.pm b/cloud/azure/network/loadbalancer/mode/throughput.pm
new file mode 100644
index 000000000..9f503d811
--- /dev/null
+++ b/cloud/azure/network/loadbalancer/mode/throughput.pm
@@ -0,0 +1,152 @@
+#
+# 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::azure::network::loadbalancer::mode::throughput;
+
+use base qw(cloud::azure::custom::mode);
+
+use strict;
+use warnings;
+
+sub get_metrics_mapping {
+    my ($self, %options) = @_;
+
+    my $metrics_mapping = {
+        'bytecount' => {
+            'output' => 'Byte Count',
+            'label'  => 'throughput-bytes',
+            'nlabel' => 'loadbalancer.throughput.bytes',
+            'unit'   => 'B',
+            'min'    => '0'
+        },
+        'packetcount' => {
+            'output' => 'Packet Count',
+            'label'  => 'throughput-packets',
+            'nlabel' => 'loadbalancer.packets.count',
+            'unit'   => '',
+            'min'    => '0'
+        }
+    };
+
+    return $metrics_mapping;
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
+    bless $self, $class;
+
+    $options{options}->add_options(arguments => {
+        'filter-metric:s'  => { name => 'filter_metric' },
+        'resource:s'       => { name => 'resource' },
+        'resource-group:s' => { name => 'resource_group' }
+    });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    if (!defined($self->{option_results}->{resource}) || $self->{option_results}->{resource} eq '') {
+        $self->{output}->add_option_msg(short_msg => 'Need to specify either --resource <name> with --resource-group option or --resource <id>.');
+        $self->{output}->option_exit();
+    }
+    my $resource = $self->{option_results}->{resource};
+    my $resource_group = defined($self->{option_results}->{resource_group}) ? $self->{option_results}->{resource_group} : '';
+    if ($resource =~ /^\/subscriptions\/.*\/resourceGroups\/(.*)\/providers\/Microsoft\.Network\/loadBalancers\/(.*)$/) {
+        $resource_group = $1;
+        $resource = $2;
+    }
+
+    $self->{az_resource} = $resource;
+    $self->{az_resource_group} = $resource_group;
+    $self->{az_resource_type} = 'loadBalancers';
+    $self->{az_resource_namespace} = 'Microsoft.Network';
+    $self->{az_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 900;
+    $self->{az_interval} = defined($self->{option_results}->{interval}) ? $self->{option_results}->{interval} : 'PT5M';
+    $self->{az_aggregations} = ['Average'];
+    if (defined($self->{option_results}->{aggregation})) {
+        $self->{az_aggregations} = [];
+        foreach my $stat (@{$self->{option_results}->{aggregation}}) {
+            if ($stat ne '') {
+                push @{$self->{az_aggregations}}, ucfirst(lc($stat));
+            }
+        }
+    }
+
+    foreach my $metric (keys %{$self->{metrics_mapping}}) {
+        next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
+            && $metric !~ /$self->{option_results}->{filter_metric}/);
+
+        push @{$self->{az_metrics}}, $metric;
+    }
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check Azure Network Load Balancers throughput metrics.
+
+Example:
+
+Using resource name :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::loadbalancer::plugin --mode=throughput --custommode=azcli
+--resource=<loadbalancer_id> --resource-group=<resourcegroup_id> --aggregation='average'
+
+Using resource id :
+
+perl centreon_plugins.pl --plugin=cloud::azure::network::loadbalancer::plugin --mode=datapath --custommode=azcli
+--resource='/subscriptions/<subscription_id>/resourceGroups/<resourcegroup_id>/providers/Microsoft.Network/loadBalancers/<loadbalancer_id>'
+--aggregation='average'
+
+Default aggregation: 'average' / 'minimum' and 'maximum' are valid.
+
+=over 8
+
+=item B<--resource>
+
+Set resource name or id (Required).
+
+=item B<--resource-group>
+
+Set resource group (Required if resource's name is used).
+
+=item B<--filter-metric>
+
+Filter on specific metrics. The Azure format must be used, for example: 'sessions_percent'
+(Can be a regexp).
+
+=item B<---warning-*>
+
+Warning threshold where * can be: throughput-packets, throughput-bytes.
+
+=item B<--critical-*>
+
+Critical threshold where * can be: throughput-packets, throughput-bytes.
+
+=back
+
+=cut
diff --git a/cloud/azure/network/loadbalancer/plugin.pm b/cloud/azure/network/loadbalancer/plugin.pm
new file mode 100644
index 000000000..a014ae73d
--- /dev/null
+++ b/cloud/azure/network/loadbalancer/plugin.pm
@@ -0,0 +1,64 @@
+#
+# 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::azure::network::loadbalancer::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} = {
+        'datapath'    => 'cloud::azure::network::loadbalancer::mode::datapath',
+        'discovery'   => 'cloud::azure::network::loadbalancer::mode::discovery',
+        'healthprobe' => 'cloud::azure::network::loadbalancer::mode::healthprobe',
+        'snat'        => 'cloud::azure::network::loadbalancer::mode::snat',
+        'throughput'  => 'cloud::azure::network::loadbalancer::mode::throughput'
+    };
+
+    $self->{custom_modes}->{azcli} = 'cloud::azure::custom::azcli';
+    $self->{custom_modes}->{api} = 'cloud::azure::custom::api';
+    return $self;
+}
+
+sub init {
+    my ($self, %options) = @_;
+
+    $self->{options}->add_options(arguments => {
+        'api-version:s'  => { name => 'api_version', default => '2018-01-01' },
+    });
+
+    $self->SUPER::init(%options);
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Microsoft Azure Network LoadBalancers.
+
+=cut