CloudWatch: Added AWS WAFV2 metrics (#24048)

* Add metrics and dimensions for AWS/WAFV2

* Update pkg/tsdb/cloudwatch/metric_find_query.go

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* Fix metric names

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

pkg/tsdb/cloudwatch/metric_find_query.go

@@ -117,6 +117,7 @@ var metricsMap = map[string][]string{
 	"AWS/Usage":             {"CallCount", "ResourceCount"},
 	"AWS/VPN":               {"TunnelDataIn", "TunnelDataOut", "TunnelState"},
 	"AWS/WAF":               {"AllowedRequests", "BlockedRequests", "CountedRequests", "PassedRequests"},
+	"AWS/WAFV2":             {"AllowedRequests", "BlockedRequests", "CountedRequests", "PassedRequests"},
 	"AWS/WorkSpaces":        {"Available", "ConnectionAttempt", "ConnectionFailure", "ConnectionSuccess", "InSessionLatency", "Maintenance", "SessionDisconnect", "SessionLaunchTime", "Stopped", "Unhealthy", "UserConnected"},
 	"ECS/ContainerInsights": {"ContainerInstanceCount", "CpuUtilized", "CpuReserved", "DeploymentCount", "DesiredTaskCount", "MemoryUtilized", "MemoryReserved", "NetworkRxBytes", "NetworkTxBytes", "PendingTaskCount", "RunningTaskCount", "ServiceCount", "StorageReadBytes", "StorageWriteBytes", "TaskCount", "TaskSetCount", "instance_cpu_limit", "instance_cpu_reserved_capacity", "instance_cpu_usage_total", "instance_cpu_utilization", "instance_filesystem_utilization", "instance_memory_limit", "instance_memory_reserved_capacity", "instance_memory_utliization", "instance_memory_working_set", "instance_network_total_bytes", "instance_number_of_running_tasks"},
 	"ContainerInsights":     {"cluster_failed_node_count", "cluster_node_count", "namespace_number_of_running_pods", "node_cpu_limit", "node_cpu_reserved_capacity", "node_cpu_usage_total", "node_cpu_utilization", "node_filesystem_utilization", "node_memory_limit", "node_memory_reserved_capacity", "node_memory_utilization", "node_memory_working_set", "node_network_total_bytes", "node_number_of_running_containers", "node_number_of_running_pods", "pod_cpu_reserved_capacity", "pod_cpu_utilization", "pod_cpu_utilization_over_pod_limit", "pod_memory_reserved_capacity", "pod_memory_utilization", "pod_memory_utilization_over_pod_limit", "pod_number_of_container_restarts", "pod_network_rx_bytes", "pod_network_tx_bytes", "service_number_of_running_pods"},
@@ -207,6 +208,7 @@ var dimensionsMap = map[string][]string{
 	"AWS/Usage":             {"Class", "Resource", "Service", "Type"},
 	"AWS/VPN":               {"TunnelIpAddress", "VpnId"},
 	"AWS/WAF":               {"Region", "Rule", "RuleGroup", "WebACL"},
+	"AWS/WAFV2":             {"Region", "Rule", "RuleGroup", "WebACL"},
 	"AWS/WorkSpaces":        {"DirectoryId", "WorkspaceId"},
 	"ECS/ContainerInsights": {"ClusterName", "ServiceName", "TaskDefinitionFamily", "EC2InstanceId", "ContainerInstanceId"},
 	"ContainerInsights":     {"ClusterName", "NodeName", "Namespace", "InstanceId", "PodName", "Service"},