add storage tracker script

.gitea/workflows/publish.yml

@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - "master"
-      - "influx-only"
 
 jobs:
   docker:

storage-tracker.sh

@@ -0,0 +1,12 @@
+usage_engine=$(du -s /home/tracker/influx/db/engine/data/setme/ | cut -f1)
+usage_wal=$(du -s /home/tracker/influx/db/engine/wal/setme/ | cut -f1)
+
+# Calculate the sum of usage_engine and usage_wal
+total_usage=$((usage_engine + usage_wal))
+
+docker exec influxdb influx write \
+  --org homelab \
+  --bucket influx_metrics \
+  --token setme \
+  --precision s \
+  "storage_usage,db=mc-tracker value=$total_usage"