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Extended Gossipsub metrics (#1577)

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## Issue Addressed

N/A

## Proposed Changes

Adds extended metrics to get a better idea of what is happening at the gossipsub layer of lighthouse. This provides information about mesh statistics per topics, subscriptions and peer scores. 

## Additional Info
This commit is contained in:
Age Manning
2020-09-01 06:59:14 +00:00
parent 8301a984eb
commit fb9d828e5e
11 changed files with 445 additions and 89 deletions
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38
beacon_node/eth2_libp2p/src/behaviour/mod.rs
View File

@@ -249,8 +249,28 @@ impl<TSpec: EthSpec> Behaviour<TSpec> {
for topic in message.topics(GossipEncoding::default(), self.enr_fork_id.fork_digest) {
match message.encode(GossipEncoding::default()) {
Ok(message_data) => {
if let Err(e) = self.gossipsub.publish(topic.into(), message_data) {
if let Err(e) = self.gossipsub.publish(topic.clone().into(), message_data) {
slog::warn!(self.log, "Could not publish message"; "error" => format!("{:?}", e));
// add to metrics
match topic.kind() {
GossipKind::Attestation(subnet_id) => {
if let Some(v) = metrics::get_int_gauge(
&metrics::FAILED_ATTESTATION_PUBLISHES_PER_SUBNET,
&[&subnet_id.to_string()],
) {
v.inc()
};
}
kind => {
if let Some(v) = metrics::get_int_gauge(
&metrics::FAILED_PUBLISHES_PER_MAIN_TOPIC,
&[&format!("{:?}", kind)],
) {
v.inc()
};
}
}
}
}
Err(e) => crit!(self.log, "Could not publish message"; "error" => e),
@@ -471,23 +491,9 @@ impl<TSpec: EthSpec> Behaviour<TSpec> {
}
}
GossipsubEvent::Subscribed { peer_id, topic } => {
if let Some(topic_metric) = metrics::get_int_gauge(
&metrics::GOSSIPSUB_SUBSCRIBED_PEERS_COUNT,
&[topic.as_str()],
) {
topic_metric.inc()
}
self.add_event(BehaviourEvent::PeerSubscribed(peer_id, topic));
}
GossipsubEvent::Unsubscribed { peer_id: _, topic } => {
if let Some(topic_metric) = metrics::get_int_gauge(
&metrics::GOSSIPSUB_SUBSCRIBED_PEERS_COUNT,
&[topic.as_str()],
) {
topic_metric.dec()
}
}
GossipsubEvent::Unsubscribed { .. } => {}
}
}