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Add individual p2p host counts (#4312)

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* Add individual p2p host counts
* Merge branch 'master' into p2pmetrics
* Merge branch 'master' into p2pmetrics
* Merge branch 'master' into p2pmetrics
* Merge branch 'master' into p2pmetrics
This commit is contained in:
Jim McDonald 2019-12-18 05:31:46 +00:00 committed by prylabs-bulldozer[bot]
parent fb431c11c1
commit 78968c1e29
2 changed files with 12 additions and 28 deletions
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38
beacon-chain/p2p/monitoring.go
View File

@ -1,46 +1,30 @@
package p2p
import (
"time"
"github.com/libp2p/go-libp2p-core/host"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prysmaticlabs/prysm/shared/runutil"
)
var (
p2pTopicPeerCount = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "p2p_topic_peer_count",
Help: "The number of peers subscribed to a topic",
Help: "The number of peers subscribed to a given topic.",
},
[]string{"topic"})
p2pPeerCount = promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "p2p_peer_count",
Help: "The number of peers in a given state.",
},
[]string{"state"})
)
func registerMetrics(s *Service) {
// Metrics with a single value can use GaugeFunc, CounterFunc, etc.
if err := prometheus.DefaultRegisterer.Register(prometheus.NewGaugeFunc(prometheus.GaugeOpts{
Name: "p2p_peer_count",
Help: "The number of currently connected peers",
}, func() float64 {
return float64(peerCount(s.host))
})); err != nil {
// This should only happen in tests.
log.WithError(err).Error("Failed to register metric")
}
// Metrics with labels, polled every 10s.
runutil.RunEvery(s.ctx, time.Duration(10*time.Second), s.updateP2PTopicPeerCount)
}
func peerCount(h host.Host) int {
return len(h.Network().Peers())
}
func (s *Service) updateP2PTopicPeerCount() {
func (s *Service) updateMetrics() {
for topic := range GossipTopicMappings {
topic += s.Encoding().ProtocolSuffix()
p2pTopicPeerCount.WithLabelValues(topic).Set(float64(len(s.pubsub.ListPeers(topic))))
}
p2pPeerCount.WithLabelValues("Connected").Set(float64(len(s.peers.Connected())))
p2pPeerCount.WithLabelValues("Disconnected").Set(float64(len(s.peers.Disconnected())))
p2pPeerCount.WithLabelValues("Connecting").Set(float64(len(s.peers.Connecting())))
p2pPeerCount.WithLabelValues("Disconnecting").Set(float64(len(s.peers.Disconnecting())))
}

2
beacon-chain/p2p/service.go
View File

@ -207,7 +207,7 @@ func (s *Service) Start() {
startPeerWatcher(s.ctx, s.host, peersToWatch...)
runutil.RunEvery(s.ctx, time.Hour, s.Peers().Decay)
registerMetrics(s)
runutil.RunEvery(s.ctx, 10*time.Second, s.updateMetrics)
multiAddrs := s.host.Network().ListenAddresses()
logIP4Addr(s.host.ID(), multiAddrs...)
}