CloudWatch: Add support for AWS/ClientVPN metrics and dimensions (#29055)

Fixes #28778

pkg/tsdb/cloudwatch/metric_find_query.go

@@ -52,6 +52,7 @@ var metricsMap = map[string][]string{
 	"AWS/AutoScaling":             {"GroupDesiredCapacity", "GroupInServiceInstances", "GroupMaxSize", "GroupMinSize", "GroupPendingInstances", "GroupStandbyInstances", "GroupTerminatingInstances", "GroupTotalInstances"},
 	"AWS/Billing":                 {"EstimatedCharges"},
 	"AWS/Chatbot":                 {"EventsThrottled", "EventsProcessed", "MessageDeliverySuccess", "MessageDeliveryFailure", "UnsupportedEvents"},
+	"AWS/ClientVPN":               {"ActiveConnectionsCount", "AuthenticationFailures", "CrlDaysToExpiry", "EgressBytes", "EgressPackets", "IngressBytes", "IngressPackets", "SelfServicePortalClientConfigurationDownloads"},
 	"AWS/CloudFront":              {"4xxErrorRate", "5xxErrorRate", "BytesDownloaded", "BytesUploaded", "Requests", "TotalErrorRate", "CacheHitRate", "OriginLatency", "401ErrorRate", "403ErrorRate", "404ErrorRate", "502ErrorRate", "503ErrorRate", "504ErrorRate"},
 	"AWS/CloudHSM":                {"HsmKeysSessionOccupied", "HsmKeysTokenOccupied", "HsmSessionCount", "HsmSslCtxsOccupied", "HsmTemperature", "HsmUnhealthy", "HsmUsersAvailable", "HsmUsersMax", "InterfaceEth2OctetsInput", "InterfaceEth2OctetsOutput"},
 	"AWS/CloudSearch":             {"IndexUtilization", "Partitions", "SearchableDocuments", "SuccessfulRequests"},
@@ -147,6 +148,7 @@ var dimensionsMap = map[string][]string{
 	"AWS/AutoScaling":             {"AutoScalingGroupName"},
 	"AWS/Billing":                 {"Currency", "LinkedAccount", "ServiceName"},
 	"AWS/Chatbot":                 {"ConfigurationName"},
+	"AWS/ClientVPN":               {"Endpoint"},
 	"AWS/CloudFront":              {"DistributionId", "Region"},
 	"AWS/CloudHSM":                {"ClusterId", "HsmId", "Region"},
 	"AWS/CloudSearch":             {"ClientId", "DomainName"},