zeek/testing/btest/scripts/base/frameworks/telemetry/internal-metrics.zeek
2024-10-22 18:50:32 +02:00

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# @TEST-DOC: Query Broker's telemetry to verify it ends up in Zeek's registry.
# Not compilable to C++ due to globals being initialized to a record that
# has an opaque type as a field.
# @TEST-REQUIRES: test "${ZEEK_USE_CPP}" != "1"
# @TEST-EXEC: zcat <$TRACES/echo-connections.pcap.gz | zeek -b -Cr - %INPUT > out
# @TEST-EXEC: btest-diff out
# @TEST-EXEC-FAIL: test -f reporter.log
@load base/frameworks/telemetry
redef running_under_test = T;
function print_histogram_metrics(what: string, metrics: vector of Telemetry::HistogramMetric)
{
print fmt("### %s |%s|", what, |metrics|);
for (i in metrics)
{
local m = metrics[i];
print m$opts$metric_type, m$opts$prefix, m$opts$name, m$opts$bounds, m$label_names, m?$label_values ? m$label_values : vector();
# Don't output actual values as they are runtime dependent.
# print m$values, m$sum, m$observations;
if ( m$opts?$bounds )
print m$opts$bounds;
}
}
function print_metrics(what: string, metrics: vector of Telemetry::Metric)
{
print fmt("### %s |%s|", what, |metrics|);
for (i in metrics)
{
local m = metrics[i];
print m$opts$metric_type, m$opts$prefix, m$opts$name, m$label_names, m?$label_values ? m$label_values : vector(), m$value;
if (m?$value)
print "value", m$value;
}
}
event zeek_done() &priority=-100
{
local broker_metrics = Telemetry::collect_metrics("broker*", "*");
print_metrics("broker", broker_metrics);
local broker_histogram_metrics = Telemetry::collect_histogram_metrics("broker*", "*");
print_histogram_metrics("broker", broker_histogram_metrics);
}