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enh prometheus target status mode filtering (#1206)

This commit is contained in:
Colin Gagnaire 2018-10-30 15:36:03 +01:00 committed by GitHub
parent eb9691b4ed
commit 49d738b387
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1 changed files with 23 additions and 1 deletions
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24
cloud/prometheus/restapi/mode/targetstatus.pm
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@ -55,6 +55,7 @@ sub custom_status_output {
my ($self, %options) = @_;
my $msg = "health is '" . $self->{result_values}->{health} . "'";
$msg .= " [last error: " . $self->{result_values}->{last_error} . "]" if ($self->{result_values}->{last_error} ne '');
$msg .= " " . $self->{result_values}->{labels} if ($self->{result_values}->{labels} ne '');
return $msg;
}
@ -64,6 +65,7 @@ sub custom_status_calc {
$self->{result_values}->{health} = $options{new_datas}->{$self->{instance} . '_health'};
$self->{result_values}->{last_error} = $options{new_datas}->{$self->{instance} . '_last_error'};
$self->{result_values}->{labels} = $options{new_datas}->{$self->{instance} . '_labels'};
$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
return 0;
@ -138,7 +140,8 @@ sub set_counters {
];
$self->{maps_counters}->{targets} = [
{ label => 'status', threshold => 0, set => {
key_values => [ { name => 'health' }, { name => 'last_error' }, { name => 'display' } ],
key_values => [ { name => 'health' }, { name => 'last_error' }, { name => 'display' },
{ name => 'labels' } ],
closure_custom_calc => $self->can('custom_status_calc'),
closure_custom_output => $self->can('custom_status_output'),
closure_custom_perfdata => sub { return 0; },
@ -156,6 +159,7 @@ sub new {
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"filter-label:s@" => { name => 'filter_label' },
"warning-status:s" => { name => 'warning_status', default => '' },
"critical-status:s" => { name => 'critical_status', default => '%{health} !~ /up/' },
});
@ -166,6 +170,11 @@ sub new {
sub check_options {
my ($self, %options) = @_;
$self->SUPER::check_options(%options);
foreach my $filter (@{$self->{option_results}->{filter_label}}) {
next if ($filter !~ /^(\w+),(.*)/);
$self->{filters}->{$1} = $2;
}
$instance_mode = $self;
$self->change_macros();
@ -190,6 +199,12 @@ sub manage_selection {
my $result = $options{custom}->get_endpoint(url_path => '/targets');
foreach my $active (@{$result->{activeTargets}}) {
my $next;
foreach my $filter (keys %{$self->{filters}}) {
$next = 1 if (defined($active->{labels}->{$filter}) && $active->{labels}->{$filter} !~ /$self->{filters}->{$filter}/);
}
next if ($next);
$self->{global}->{active}++;
$self->{targets}->{$active->{scrapeUrl}} = {
display => $active->{scrapeUrl},
@ -197,6 +212,9 @@ sub manage_selection {
last_error => $active->{lastError},
};
foreach my $label (keys $active->{labels}) {
$self->{targets}->{$active->{scrapeUrl}}->{labels} .= "[" . $label . " = " . $active->{labels}->{$label} . "]";
}
$self->{global}->{$active->{health}}++;
}
@ -220,6 +238,10 @@ Check targets status.
=over 8
=item B<--filter-label>
Set filter on label (Regexp, Can be multiple) (Example: --filter-label='job,kube.*').
=item B<--warning-status>
Set warning threshold for status (Default: '')