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telemetry: Move callbacks to Zeek

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Now that we run callbacks on the main loop, we can move callback support
for Counter and Gauge instances directly into Zeek and don't need to patch
prometheus-cpp anymore.
This commit is contained in:
Arne Welzel 2024-09-11 17:49:06 +02:00
parent c7fcdc4050
commit 48dd89ef33
15 changed files with 143 additions and 186 deletions
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18
src/broker/Manager.cc
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@ -343,27 +343,15 @@ void Manager::InitPostScript() {
num_peers_metric =
telemetry_mgr->GaugeInstance("zeek", "broker_peers", {}, "Current number of peers connected via broker", "",
[]() -> prometheus::ClientMetric {
prometheus::ClientMetric metric;
metric.gauge.value = static_cast<double>(broker_mgr->peer_count);
return metric;
});
[]() { return static_cast<double>(broker_mgr->peer_count); });
num_stores_metric =
telemetry_mgr->GaugeInstance("zeek", "broker_stores", {}, "Current number of stores connected via broker", "",
[]() -> prometheus::ClientMetric {
prometheus::ClientMetric metric;
metric.gauge.value = static_cast<double>(broker_mgr->data_stores.size());
return metric;
});
[]() { return static_cast<double>(broker_mgr->data_stores.size()); });
num_pending_queries_metric =
telemetry_mgr->GaugeInstance("zeek", "broker_pending_queries", {}, "Current number of pending broker queries",
"", []() -> prometheus::ClientMetric {
prometheus::ClientMetric metric;
metric.gauge.value = static_cast<double>(broker_mgr->pending_queries.size());
return metric;
});
"", []() { return static_cast<double>(broker_mgr->pending_queries.size()); });
num_events_incoming_metric = telemetry_mgr->CounterInstance("zeek", "broker_incoming_events", {},
"Total number of incoming events via broker");