Add AWS/NetworkManager namespace metrics and dimensions (#358)

Author: njvrzm

pkg/cloudWatchConsts/metrics.go

@@ -2581,6 +2581,17 @@ var NamespaceMetricsMap = map[string][]string{
 		"TLSRevocationStatusUnknownConnections",
 		"TLSTimedOutConnections",
 	},
+	"AWS/NetworkManager": {
+		"BytesDropCountBlackhole",
+		"BytesDropCountNoRoute",
+		"BytesIn",
+		"BytesOut",
+		"PacketDropCountBlackhole",
+		"PacketDropCountNoRoute",
+		"PacketDropTTLExpired",
+		"PacketsIn",
+		"PacketsOut",
+	},
 	"AWS/NetworkMonitor": {
 		"HealthIndicator",
 		"PacketLoss",
@@ -3506,6 +3517,7 @@ var NamespaceDimensionKeysMap = map[string][]string{
 	"AWS/NATGateway":                     {"NatGatewayId"},
 	"AWS/Neptune":                        {"DBClusterIdentifier", "DatabaseClass", "EngineName", "Role"},
 	"AWS/NetworkELB":                     {"AvailabilityZone", "LoadBalancer", "TargetGroup"},
+	"AWS/NetworkManager":                 {"Attachment", "AvailabilityZone", "CoreNetwork", "EdgeLocation"},
 	"AWS/GatewayELB":                     {"AvailabilityZone", "LoadBalancer", "TargetGroup"},
 	"AWS/NetworkFirewall":                {"AvailabilityZone", "CustomAction", "Engine", "FirewallName"},
 	"AWS/NetworkMonitor":                 {"Monitor", "Probe"},