Add clusterio_statistics_exporter_platform_mapping

This allows queries to map between the platform surfaces tracked in the statistics and the name assigned by the player

plugins/statistics_exporter/instance.ts

@@ -17,6 +17,12 @@ type IpcStats = {
 				}
 			},
 		}
+	},
+	platforms: {
+		[key: string]: {
+			force: string,
+			surface: string,
+		}
 	}
 }
 
@@ -45,6 +51,11 @@ const instanceGameFlowStatistics = new Gauge(
 	"Pollution produced/consumed in the game",
 	{ labels: ["instance_id", "surface", "statistic", "direction", "name"] },
 );
+const instancePlatformMapping = new Gauge(
+	"clusterio_statistics_exporter_platform_mapping",
+	"Mapping of platform name to force, surface and instance",
+	{ labels: ["instance_id", "platform_name", "force", "surface"] }
+);
 
 function setForceFlowStatistic(
 	instanceId: number,
@@ -103,6 +114,19 @@ export class InstancePlugin extends BaseInstancePlugin {
 		instanceGameTicksTotal.labels(String(instanceId)).set(stats.game_tick);
 		instancePlayerCount.labels(String(instanceId)).set(stats.player_count);
 
+		// Remove existing platform mappings for this instance
+		instancePlatformMapping.removeAll({ instance_id: String(instanceId) });
+
+		// Set new platform mappings
+		for (let [platformName, platform] of Object.entries(stats.platforms)) {
+			instancePlatformMapping.labels(
+				String(instanceId),
+				platformName,
+				platform.force,
+				platform.surface
+			).set(1);
+		}
+
 		for (let [surfaceName, surfaceStats] of Object.entries(stats.surface_statistics)) {
 			for (let [forceName, flowStatistics] of Object.entries(surfaceStats.force_flow_statistics)) {
 				for (let [statisticName, statistic] of Object.entries(flowStatistics)) {
@@ -151,3 +175,4 @@ export const _instancePlayerCount = instancePlayerCount;
 export const _instanceGameTicksTotal = instanceGameTicksTotal;
 export const _instanceForceFlowStatistics = instanceForceFlowStatistics;
 export const _instanceGameFlowStatistics = instanceGameFlowStatistics;
+export const _instancePlatformMapping = instancePlatformMapping;

plugins/statistics_exporter/module/export.lua

@@ -14,7 +14,8 @@ function statistics_exporter.export()
 	local stats = {
 		game_tick = game.tick,
 		player_count = #game.connected_players,
-		surface_statistics = {}
+		surface_statistics = {},
+		platforms = {}
 	}
 
 	for _, surface in pairs(game.surfaces) do
@@ -43,5 +44,16 @@ function statistics_exporter.export()
 		stats.surface_statistics[surface.name] = surface_stats
 	end
 
+	if v2_stats then
+		for _, force in pairs(game.forces) do
+			for _, platform in pairs(force.platforms) do
+				stats.platforms[platform.name] = {
+					force = force.name,
+					surface = platform.surface.name
+				}
+			end
+		end
+	end
+
 	rcon.print(compat.table_to_json(stats))
 end