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Introduce telemetry framework

Browse source 
Adds base/frameworks/telemetry with wrappers around telemetry.bif
and updates telemetry/Manager to support collecting metrics from
script land.

Add policy/frameworks/telemetry/log for logging of metrics data
into a new telemetry.log and telemetry_histogram.log and add into
local.zeek by default.
This commit is contained in:
Arne Welzel 2022-06-30 17:01:13 +02:00
parent 95fba8fd29
commit 3fe930dbf2
32 changed files with 1950 additions and 27 deletions
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43
testing/btest/scripts/base/frameworks/telemetry/internal-metrics.zeek Normal file
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# @TEST-DOC: Query some internal broker/caf related metrics as they use the int64_t versions, too.
# @TEST-EXEC: zcat <$TRACES/echo-connections.pcap.gz | zeek -b -Cr - %INPUT > out
# @TEST-EXEC: btest-diff out
# @TEST-EXEC-FAIL: test -f reporter.log
@load base/frameworks/telemetry
function print_histogram_metrics(what: string, metrics: vector of Telemetry::HistogramMetric)
{
print fmt("### %s |%s|", what, |metrics|);
for (i in metrics)
{
local m = metrics[i];
print m$opts$metric_type, m$opts$prefix, m$opts$name, m$opts$bounds, m$opts$labels, m$labels;
# Don't output actual values as they are runtime dependent.
# print m$values, m$sum, m$observations;
if ( m$opts?$count_bounds )
print m$opts$count_bounds;
}
}
function print_metrics(what: string, metrics: vector of Telemetry::Metric)
{
print fmt("### %s |%s|", what, |metrics|);
for (i in metrics)
{
local m = metrics[i];
print m$opts$metric_type, m$opts$prefix, m$opts$name, m$opts$labels, m$labels, m$value;
if (m?$count_value)
print "count_value", m$count_value;
}
}
event zeek_done() &priority=-100
{
local broker_metrics = Telemetry::collect_metrics("broker", "*");
print_metrics("broker", broker_metrics);
local caf_metrics = Telemetry::collect_metrics("caf*", "*");
print_metrics("caf", caf_metrics);
local caf_histogram_metrics = Telemetry::collect_histogram_metrics("caf*", "*");
print_histogram_metrics("caf", caf_histogram_metrics);
}