From dfe81a5c20fad8b45f6ca01fd0b59a0331ca2016 Mon Sep 17 00:00:00 2001
From: Hermes Agent service account
 <hermes@carousel-of-progress.local.mk-labs.cloud>
Date: Sun, 19 Jul 2026 18:17:47 -0500
Subject: [PATCH] minecraft: set prometheus exporter to port 9225, manage
 config via ConfigMap

---
 .../applications/minecraft/deployment.yaml    |  7 ++++
 .../minecraft/prometheus-exporter-config.yaml | 35 +++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 cluster/applications/minecraft/prometheus-exporter-config.yaml

diff --git a/cluster/applications/minecraft/deployment.yaml b/cluster/applications/minecraft/deployment.yaml
index ae344ec..961a28c 100644
--- a/cluster/applications/minecraft/deployment.yaml
+++ b/cluster/applications/minecraft/deployment.yaml
@@ -158,6 +158,10 @@ spec:
               mountPath: /data/plugins/sleep-most/config.yml
               subPath: config.yml
               readOnly: true
+            - name: prometheus-exporter-config
+              mountPath: /data/plugins/PrometheusExporter/config.yml
+              subPath: config.yml
+              readOnly: true
           resources:
             requests:
               cpu: "1"
@@ -193,3 +197,6 @@ spec:
         - name: sleep-most-config
           configMap:
             name: sleep-most-config
+        - name: prometheus-exporter-config
+          configMap:
+            name: prometheus-exporter-config
diff --git a/cluster/applications/minecraft/prometheus-exporter-config.yaml b/cluster/applications/minecraft/prometheus-exporter-config.yaml
new file mode 100644
index 0000000..f249cb2
--- /dev/null
+++ b/cluster/applications/minecraft/prometheus-exporter-config.yaml
@@ -0,0 +1,35 @@
+---
+# minecraft-prometheus-exporter plugin configuration
+# Port set to 9225 to match Service/ServiceMonitor definitions.
+# Default is 9940 — must be explicitly set here or the plugin won't be scraped.
+# Mounted read-only at /data/plugins/PrometheusExporter/config.yml
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: prometheus-exporter-config
+  namespace: minecraft
+  labels:
+    app.kubernetes.io/name: minecraft
+    app.kubernetes.io/component: papermc
+data:
+  config.yml: |
+    host: localhost
+    port: 9225
+    enable_metrics:
+      entities_total: true
+      villagers_total: true
+      loaded_chunks_total: true
+      jvm_memory: true
+      players_online_total: true
+      players_total: true
+      whitelisted_players: false
+      tps: true
+      world_size: true
+      jvm_threads: true
+      jvm_gc: true
+      tick_duration_median: true
+      tick_duration_average: true
+      tick_duration_min: false
+      tick_duration_max: true
+      player_online: false
+      player_statistic: false