Apply endpoint health in peer cache

agents/rap-node-agent/internal/mesh/peer_cache.go

@@ -9,16 +9,17 @@ import (
 const DefaultWarmPeerLimit = 8
 
 type PeerCacheConfig struct {
-	Local                  PeerIdentity
-	PeerEndpoints          map[string]string
-	PeerEndpointCandidates map[string][]PeerEndpointCandidate
-	PeerDirectory          []PeerDirectoryEntry
-	RecoverySeeds          []PeerRecoverySeed
-	RendezvousLeases       []PeerRendezvousLease
-	Routes                 []SyntheticRoute
-	WarmPeerLimit          int
-	PreferredRegion        string
-	Now                    time.Time
+	Local                    PeerIdentity
+	PeerEndpoints            map[string]string
+	PeerEndpointCandidates   map[string][]PeerEndpointCandidate
+	PeerEndpointObservations map[string]EndpointCandidateHealthObservation
+	PeerDirectory            []PeerDirectoryEntry
+	RecoverySeeds            []PeerRecoverySeed
+	RendezvousLeases         []PeerRendezvousLease
+	Routes                   []SyntheticRoute
+	WarmPeerLimit            int
+	PreferredRegion          string
+	Now                      time.Time
 }
 
 type PeerCache struct {
@@ -116,6 +117,8 @@ func NewPeerCache(cfg PeerCacheConfig) *PeerCache {
 			PreferredRegion:    cfg.PreferredRegion,
 			Now:                now,
 			MaxVerificationAge: time.Hour,
+			Observations:       cfg.PeerEndpointObservations,
+			MaxObservationAge:  time.Hour,
 		})
 		if len(scored) > 0 {
 			entry.EndpointCandidates = make([]PeerEndpointCandidate, 0, len(scored))