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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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58
beacon_node/eth2_libp2p/src/peer_manager/mod.rs
View File

@@ -239,6 +239,27 @@ impl<TSpec: EthSpec> PeerManager<TSpec> {
///
/// This is also called when dialing a peer fails.
pub fn notify_disconnect(&mut self, peer_id: &PeerId) {
// Decrement the PEERS_PER_CLIENT metric
if let Some(kind) = self
.network_globals
.peers
.read()
.peer_info(peer_id)
.and_then(|peer_info| {
if let Connected { .. } = peer_info.connection_status {
Some(peer_info.client.kind.clone())
} else {
None
}
})
{
if let Some(v) =
metrics::get_int_gauge(&metrics::PEERS_PER_CLIENT, &[&kind.to_string()])
{
v.dec()
};
}
self.network_globals.peers.write().disconnect(peer_id);
// remove the ping and status timer for the peer
@@ -296,8 +317,25 @@ impl<TSpec: EthSpec> PeerManager<TSpec> {
/// Updates `PeerInfo` with `identify` information.
pub fn identify(&mut self, peer_id: &PeerId, info: &IdentifyInfo) {
if let Some(peer_info) = self.network_globals.peers.write().peer_info_mut(peer_id) {
let previous_kind = peer_info.client.kind.clone();
peer_info.client = client::Client::from_identify_info(info);
peer_info.listening_addresses = info.listen_addrs.clone();
if previous_kind != peer_info.client.kind {
// update the peer client kind metric
if let Some(v) = metrics::get_int_gauge(
&metrics::PEERS_PER_CLIENT,
&[&peer_info.client.kind.to_string()],
) {
v.inc()
};
if let Some(v) = metrics::get_int_gauge(
&metrics::PEERS_PER_CLIENT,
&[&previous_kind.to_string()],
) {
v.dec()
};
}
} else {
crit!(self.log, "Received an Identify response from an unknown peer"; "peer_id" => peer_id.to_string());
}
@@ -551,7 +589,10 @@ impl<TSpec: EthSpec> PeerManager<TSpec> {
}
match connection {
ConnectingType::Dialing => peerdb.dialing_peer(peer_id),
ConnectingType::Dialing => {
peerdb.dialing_peer(peer_id);
return true;
}
ConnectingType::IngoingConnected => peerdb.connect_outgoing(peer_id),
ConnectingType::OutgoingConnected => peerdb.connect_ingoing(peer_id),
}
@@ -568,6 +609,21 @@ impl<TSpec: EthSpec> PeerManager<TSpec> {
self.network_globals.connected_peers() as i64,
);
// Increment the PEERS_PER_CLIENT metric
if let Some(kind) = self
.network_globals
.peers
.read()
.peer_info(peer_id)
.map(|peer_info| peer_info.client.kind.clone())
{
if let Some(v) =
metrics::get_int_gauge(&metrics::PEERS_PER_CLIENT, &[&kind.to_string()])
{
v.inc()
};
}
true
}