add node exporter textfile collector script

get ip adress and info
get docker container info
write to .prom file for prometheus

asd

network/node-exporter-update-public-ip.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+OUT=/docker/monitoring/node_exporter/textfile_collector/custom.prom
+TS=$(date +%s%3N)
+
+{
+    # Docker container states
+    docker ps -a --format '{{.Names}}' | while read -r name; do
+        if docker inspect -f '{{.State.Running}}' "$name" 2>/dev/null | grep -q true; then
+            echo "docker_container_state{name=\"$name\"} 1"
+        else
+            echo "docker_container_state{name=\"$name\"} 0"
+        fi
+    done
+
+    # Public IP information
+    IP_JSON=$(curl -fsSL http://ip-api.com/json)
+
+    IP=$(jq -r '.query' <<< "$IP_JSON")
+    COUNTRY=$(jq -r '.country' <<< "$IP_JSON")
+    CITY=$(jq -r '.city' <<< "$IP_JSON")
+    ISP=$(jq -r '.isp' <<< "$IP_JSON" | sed 's/"/\\"/g')
+    COUNTRYCODE=$(jq -r '.countryCode' <<< "$IP_JSON")
+    LAT=$(jq -r '.lat' <<< "$IP_JSON")
+    LON=$(jq -r '.lon' <<< "$IP_JSON")
+
+    echo "public_ip_info{ip=\"$IP\",country=\"$COUNTRY\",city=\"$CITY\",isp=\"$ISP\",countrycode=\"$COUNTRYCODE\",lat=\"$LAT\",lon=\"$LON\"} 1"
+    echo "custom_metrics_last_update_timestamp_seconds $(date +%s)"
+} > "$OUT.$$"
+
+mv "$OUT.$$" "$OUT"
+