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enh(cloud/kubernetes): add metrics to node-usage mode (#2623)

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Colin Gagnaire 2021-03-01 15:46:17 +01:00 committed by GitHub
parent 635581053a
commit 2b157f679f
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1 changed files with 163 additions and 73 deletions
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236
cloud/kubernetes/mode/nodeusage.pm
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@ -24,65 +24,76 @@ use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold);
sub custom_usage_perfdata {
sub custom_cpu_output {
my ($self, %options) = @_;
my $label = 'allocated_pods';
my $value_perf = $self->{result_values}->{allocated};
my %total_options = ();
if ($self->{instance_mode}->{option_results}->{units} eq '%') {
$total_options{total} = $self->{result_values}->{allocatable};
$total_options{cast_int} = 1;
}
$self->{output}->perfdata_add(
label => $label,
nlabel => 'pods.allocated.count',
value => $value_perf,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{thlabel}, %total_options),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{thlabel}, %total_options),
min => 0, max => $self->{result_values}->{allocatable},
instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{display} : undef,
return sprintf(
'CPU %s: %.2f%% (%s/%s)',
$self->{result_values}->{flavor},
$self->{result_values}->{'cpu_' . $self->{result_values}->{flavor} . '_prct'},
$self->{result_values}->{'cpu_' . $self->{result_values}->{flavor}},
$self->{result_values}->{cpu_allocatable}
);
}
sub custom_usage_threshold {
my ($self, %options) = @_;
my ($exit, $threshold_value);
$threshold_value = $self->{result_values}->{allocated};
if ($self->{instance_mode}->{option_results}->{units} eq '%') {
$threshold_value = $self->{result_values}->{prct_allocated};
}
$exit = $self->{perfdata}->threshold_check(
value => $threshold_value, threshold => [ { label => 'critical-' . $self->{thlabel}, exit_litteral => 'critical' },
{ label => 'warning-'. $self->{thlabel}, exit_litteral => 'warning' } ]
);
return $exit;
}
sub custom_usage_output {
my ($self, %options) = @_;
my $msg = sprintf("Pods Capacity: %s, Allocatable: %s, Allocated: %s (%.2f%%)",
$self->{result_values}->{capacity},
$self->{result_values}->{allocatable},
$self->{result_values}->{allocated},
$self->{result_values}->{prct_allocated});
return $msg;
}
sub custom_usage_calc {
sub custom_cpu_calc {
my ($self, %options) = @_;
$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
$self->{result_values}->{capacity} = $options{new_datas}->{$self->{instance} . '_capacity'};
$self->{result_values}->{allocatable} = $options{new_datas}->{$self->{instance} . '_allocatable'};
$self->{result_values}->{allocated} = $options{new_datas}->{$self->{instance} . '_allocated'};
$self->{result_values}->{prct_allocated} = ($self->{result_values}->{allocatable} > 0) ? $self->{result_values}->{allocated} * 100 / $self->{result_values}->{allocatable} : 0;
$self->{result_values}->{flavor} = $options{extra_options}->{flavor};
$self->{result_values}->{cpu_allocatable} = $options{new_datas}->{$self->{instance} . '_cpu_allocatable'};
$self->{result_values}->{'cpu_' . $self->{result_values}->{flavor}} = $options{new_datas}->{$self->{instance} . '_cpu_' . $self->{result_values}->{flavor}};
$self->{result_values}->{'cpu_' . $self->{result_values}->{flavor} . '_prct'} = ($self->{result_values}->{cpu_allocatable} > 0) ?
$self->{result_values}->{'cpu_' . $self->{result_values}->{flavor}} * 100 / $self->{result_values}->{cpu_allocatable} : 0;
return 0;
}
sub custom_memory_output {
my ($self, %options) = @_;
return sprintf(
'Memory %s: %.2f%% (%s%s/%s%s)',
$self->{result_values}->{flavor},
$self->{result_values}->{'memory_' . $self->{result_values}->{flavor} . '_prct'},
$self->{perfdata}->change_bytes(value => $self->{result_values}->{'memory_' . $self->{result_values}->{flavor}}),
$self->{perfdata}->change_bytes(value => $self->{result_values}->{memory_allocatable})
);
}
sub custom_memory_calc {
my ($self, %options) = @_;
$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
$self->{result_values}->{flavor} = $options{extra_options}->{flavor};
$self->{result_values}->{memory_allocatable} = $options{new_datas}->{$self->{instance} . '_memory_allocatable'};
$self->{result_values}->{'memory_' . $self->{result_values}->{flavor}} = $options{new_datas}->{$self->{instance} . '_memory_' . $self->{result_values}->{flavor}};
$self->{result_values}->{'memory_' . $self->{result_values}->{flavor} . '_prct'} = ($self->{result_values}->{memory_allocatable} > 0) ?
$self->{result_values}->{'memory_' . $self->{result_values}->{flavor}} * 100 / $self->{result_values}->{memory_allocatable} : 0;
return 0;
}
sub custom_pods_output {
my ($self, %options) = @_;
return sprintf(
'Pods allocation: %.2f%% (%s/%s)',
$self->{result_values}->{pods_allocated_prct},
$self->{result_values}->{pods_allocated},
$self->{result_values}->{pods_allocatable}
);
}
sub custom_pods_calc {
my ($self, %options) = @_;
$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
$self->{result_values}->{pods_allocatable} = $options{new_datas}->{$self->{instance} . '_pods_allocatable'};
$self->{result_values}->{pods_allocated} = $options{new_datas}->{$self->{instance} . '_pods_allocated'};
$self->{result_values}->{pods_allocated_prct} = ($self->{result_values}->{pods_allocatable} > 0) ?
$self->{result_values}->{pods_allocated} * 100 / $self->{result_values}->{pods_allocatable} : 0;
return 0;
}
@ -96,15 +107,65 @@ sub set_counters {
];
$self->{maps_counters}->{nodes} = [
{ label => 'allocated-pods', set => {
key_values => [ { name => 'capacity' }, { name => 'allocatable' }, { name => 'allocated' },
{ name => 'display' } ],
closure_custom_calc => $self->can('custom_usage_calc'),
closure_custom_output => $self->can('custom_usage_output'),
closure_custom_perfdata => $self->can('custom_usage_perfdata'),
closure_custom_threshold_check => $self->can('custom_usage_threshold'),
{ label => 'cpu-requests', nlabel => 'cpu.requests.percentage', set => {
key_values => [ { name => 'cpu_allocatable' }, { name => 'cpu_requests' }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_cpu_calc'),
closure_custom_calc_extra_options => { flavor => 'requests' },
closure_custom_output => $self->can('custom_cpu_output'),
perfdatas => [
{ label => 'cpu_requests', value => 'cpu_requests_prct',
template => '%.2f', min => 0, max => '100', unit => '%',
label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'cpu-limits', nlabel => 'cpu.limits.percentage', set => {
key_values => [ { name => 'cpu_allocatable' }, { name => 'cpu_limits' }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_cpu_calc'),
closure_custom_calc_extra_options => { flavor => 'limits' },
closure_custom_output => $self->can('custom_cpu_output'),
perfdatas => [
{ label => 'cpu_limits', value => 'cpu_limits_prct',
template => '%.2f', min => 0, max => '100', unit => '%',
label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'memory-requests', nlabel => 'memory.requests.percentage', set => {
key_values => [ { name => 'memory_allocatable' }, { name => 'memory_requests' }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_memory_calc'),
closure_custom_calc_extra_options => { flavor => 'requests' },
closure_custom_output => $self->can('custom_memory_output'),
perfdatas => [
{ label => 'memory_requests', value => 'memory_requests_prct',
template => '%.2f', min => 0, max => '100', unit => '%',
label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'memory-limits', nlabel => 'memory.limits.percentage', set => {
key_values => [ { name => 'memory_allocatable' }, { name => 'memory_limits' }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_memory_calc'),
closure_custom_calc_extra_options => { flavor => 'limits' },
closure_custom_output => $self->can('custom_memory_output'),
perfdatas => [
{ label => 'memory_limits', value => 'memory_limits_prct',
template => '%.2f', min => 0, max => '100', unit => '%',
label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'allocated-pods', nlabel => 'pods.allocation.percentage', set => {
key_values => [ { name => 'pods_allocatable' }, { name => 'pods_allocated' }, { name => 'display' } ],
closure_custom_calc => $self->can('custom_pods_calc'),
closure_custom_output => $self->can('custom_pods_output'),
perfdatas => [
{ label => 'allocated_pods', value => 'pods_allocated_prct',
template => '%.2f', min => 0, max => '100', unit => '%',
label_extra_instance => 1, instance_use => 'display' }
]
}
}
];
}
@ -121,7 +182,7 @@ sub new {
$options{options}->add_options(arguments => {
"filter-name:s" => { name => 'filter_name' },
"units:s" => { name => 'units', default => '%' },
"units:s" => { name => 'units', default => '%' }, # Keep compat
});
return $self;
@ -130,8 +191,6 @@ sub new {
sub check_options {
my ($self, %options) = @_;
$self->SUPER::check_options(%options);
$self->change_macros(macros => ['warning_status', 'critical_status']);
}
sub manage_selection {
@ -150,8 +209,9 @@ sub manage_selection {
$self->{nodes}->{$node->{metadata}->{name}} = {
display => $node->{metadata}->{name},
capacity => $node->{status}->{capacity}->{pods},
allocatable => $node->{status}->{allocatable}->{pods},
pods_allocatable => $node->{status}->{allocatable}->{pods},
cpu_allocatable => $self->to_bytes(value => $node->{status}->{allocatable}->{cpu}),
memory_allocatable => $self->to_bytes(value => $node->{status}->{capacity}->{memory}),
}
}
@ -164,10 +224,46 @@ sub manage_selection {
foreach my $pod (@{$pods}) {
next if (defined($pod->{spec}->{nodeName}) && !defined($self->{nodes}->{$pod->{spec}->{nodeName}}));
$self->{nodes}->{$pod->{spec}->{nodeName}}->{allocated}++;
$self->{nodes}->{$pod->{spec}->{nodeName}}->{pods_allocated}++;
foreach my $container (@{$pod->{spec}->{containers}}) {
$self->{nodes}->{$pod->{spec}->{nodeName}}->{cpu_requests} += $self->to_core(value => $container->{resources}->{requests}->{cpu}) if (defined($container->{resources}->{requests}->{cpu}));
$self->{nodes}->{$pod->{spec}->{nodeName}}->{cpu_limits} += $self->to_core(value => $container->{resources}->{limits}->{cpu}) if (defined($container->{resources}->{limits}->{cpu}));
$self->{nodes}->{$pod->{spec}->{nodeName}}->{memory_requests} += $self->to_bytes(value => $container->{resources}->{requests}->{memory}) if (defined($container->{resources}->{requests}->{memory}));
$self->{nodes}->{$pod->{spec}->{nodeName}}->{memory_limits} += $self->to_bytes(value => $container->{resources}->{limits}->{memory}) if (defined($container->{resources}->{limits}->{memory}));
}
}
}
sub to_bytes {
my ($self, %options) = @_;
my $value = $options{value};
if ($value =~ /(\d+)Ki$/) {
$value = $1 * 1024;
} elsif ($value =~ /(\d+)Mi$/) {
$value = $1 * 1024 * 1024;
} elsif ($value =~ /(\d+)Gi$/) {
$value = $1 * 1024 * 1024 * 1024;
} elsif ($value =~ /(\d+)Ti$/) {
$value = $1 * 1024 * 1024 * 1024 * 1024;
}
return $value;
}
sub to_core {
my ($self, %options) = @_;
my $value = $options{value};
if ($value =~ /(\d+)m$/) {
$value = $1 / 1000;
}
return $value;
}
1;
__END__
@ -182,17 +278,11 @@ Check node usage.
Filter node name (can be a regexp).
=item B<--warning-allocated-pods>
=item B<--warning-*> B<--critical-*>
Threshold warning for pods allocation.
=item B<--critical-allocated-pods>
Threshold critical for pods allocation.
=item B<--units>
Units of thresholds (Default: '%') (Can be '%' or absolute).
Thresholds (in percentage).
Can be: 'cpu-requests', 'cpu-limits', 'memory-requests', 'memory-limits',
'allocated-pods'.
=back