add geoip node mapping and cleanup dockerfiles

dockerfiles/monero

@@ -1,4 +1,4 @@
-FROM ubuntu:22.04
+FROM ubuntu:22.04 as OG
 
 ENV MONERO_HASH 186800de18f67cca8475ce392168aabeb5709a8f8058b0f7919d7c693786d56b
 ENV MONERO_DL_URL https://downloads.getmonero.org/cli/monero-linux-x64-v0.18.2.2.tar.bz2
@@ -34,7 +34,9 @@ RUN wget -qO ${MONERO_DL_FILE} ${MONERO_DL_URL} \
 
 WORKDIR /data
 
-RUN wget https://gui.xmr.pm/files/block.txt -q
+# Copy to fresh Ubuntu image to reduce size
+FROM ubuntu:22.04
+COPY --from=OG /usr/local/bin/monerod /usr/local/bin/monerod
 
 EXPOSE 18080
 EXPOSE 18081

dockerfiles/nodemapper

@@ -0,0 +1,13 @@
+FROM ubuntu:22.04 as OG
+
+WORKDIR /srv/nodemapper
+
+RUN apt update && apt install wget python3 python3-venv -y
+RUN python3 -m venv .venv
+RUN .venv/bin/pip install flask==3.0.0
+RUN .venv/bin/pip install geoip2==4.7.0
+RUN wget https://github.com/P3TERX/GeoLite.mmdb/raw/download/GeoLite2-City.mmdb -qO ./geoip.mmdb
+
+COPY nodemapper.py app.py
+
+ENTRYPOINT [ ".venv/bin/flask", "--app", "app", "run", "--host", "0.0.0.0" ]

dockerfiles/nodemapper.py

@@ -0,0 +1,56 @@
+#!/usr/bin/env python3
+
+"""
+This is a lightweight web service which will retrieve a peer list 
+from a Monero node, determine GeoIP information, and return 
+a list of metrics in a Prometheus compatible structure.
+Use it to start plotting maps of active node connections.
+"""
+
+import socket, struct
+from os import environ as env
+
+import requests
+import geoip2.database
+from flask import Flask, make_response
+
+
+app = Flask(__name__)
+
+
+NODE_HOST = env.get('NODE_HOST', 'monerod')
+NODE_PORT = env.get('NODE_PORT', 18083)
+
+
+def get_geoip(ip):
+    """Takes an IP address and determines GeoIP data"""
+    with geoip2.database.Reader("./geoip.mmdb") as reader:
+        return reader.city(ip)
+
+
+@app.route("/metrics")
+def nodes():
+    """Return all nodes"""
+    peers = list()
+    peer_list = requests.get(f'http://{NODE_HOST}:{NODE_PORT}/get_peer_list').json()
+    def add_peer(host, status):
+        geo = get_geoip(host)
+        geostr = 'geoip{{latitude="{lat}", longitude="{lon}", country_code="{country_code}", country_name="{country_name}", status="{status}"}} 1'
+        if geostr not in peers:
+            peers.append(geostr.format(
+                lat=geo.location.latitude,
+                lon=geo.location.longitude,
+                country_code=geo.continent.code,
+                country_name=geo.continent.names['en'],
+                status=status
+            ))
+    for peer in peer_list['gray_list']:
+        if peer.get('host'):
+            add_peer(peer['host'], 'gray')
+    for peer in peer_list['white_list']:
+        if peer.get('host'):
+            add_peer(peer['host'], 'white')
+    data = '\n'.join(peers)
+    response = make_response(data, 200)
+    response.mimetype = "text/plain"
+    return response