initial commit

.github/workflows/build.yaml

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+name: Build and Push Docker image
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v2
+      with:
+        username: ${{ secrets.DOCKERHUB_USER }}
+        password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v4
+      with:
+        push: true
+        tags: dombyy/pinger:latest

Dockerfile

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+# pull official base image
+FROM python:3.9.5-slim-buster
+
+# set work directory
+WORKDIR /usr/src/app
+
+# install dependencies
+COPY ./requirements.txt .
+RUN pip3 install --upgrade pip wheel \
+    && pip3 install -r requirements.txt
+
+# copy project
+COPY . .
+
+USER root
+EXPOSE 8080
+CMD ["/bin/bash", "-c", "python3 main.py"]

main.py

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+#!/usr/bin/env python3
+import time
+from datetime import datetime
+from nicegui import ui, app
+import os
+from ping3 import ping, verbose_ping
+
+
+if 'PINGER_IPS' not in os.environ:
+  print('define PINGER_IPS > 1.1.1.1,8.8.8.8')
+  quit()
+
+ips = os.getenv('PINGER_IPS').split(',')
+
+maxTimeSec = 600
+pingAlertLimitMs = 100
+maxPingResponseTimeS = 0.3
+chartRefreshS = 1
+chart = []
+pingTimer = []
+pingIntervalS = 1
+
+for ip in ips:
+  chart.append(ui.chart({'title': { 'text': ip},
+                  'chart': { 'type': 'area', 'zoomType': 'x' },
+                  'xAxis': { 'type': 'datetime' },
+                  'yAxis': { 'title': {'text':'ms'}},
+                  'time': { 'timezoneOffset': 7200},
+                  'legend': { 'enabled': False },
+                  'series': [{'name' : ip, 'data': [], 'color': '#32a84c'}],
+                  }
+                  ).classes('w-full h-64'))
+
+log = ui.log(max_lines=30).classes('w-full h-96 bg-black text-white')
+
+def clear():
+    i = -1
+
+    for ip in ips:
+      i+= 1
+      chart[i].options['series'][0]['data'].clear()
+
+    log.clear()
+    log.push("Auto refresh time: " + str(chartRefreshS) + "sec")
+
+ui.button('Clear all', on_click=clear)
+
+def ping_internal(i):
+    global ips, conn, c, maxTimeSec, maxResponseTimeMs
+    ip = ips[i]
+
+    response_time = ping(ip, timeout=maxPingResponseTimeS, unit='ms')
+    if response_time is None:
+      print(datetime.now().strftime('%H:%M:%S') + " no ping reply from " + ip)
+      log.push(datetime.now().strftime('%H:%M:%S') + " no ping reply from " + ip)
+      ui.notify(datetime.now().strftime('%H:%M:%S') + " no ping reply from " + ip, type='negative')
+
+      chart[i].options['series'][0]['data'].append({'x': int(time.time()*1000), 'y': 0, 'marker': { 'radius': 3, 'fillColor': '#eb0909' }})
+
+    else:
+      chart[i].options['series'][0]['data'].append({'x': int(time.time()*1000), 'y': round(response_time,2), 'marker': { 'radius': 0 }})
+
+      if len(chart[i].options['series'][0]['data']) > maxTimeSec:
+        chart[i].options['series'][0]['data'].pop(0)
+
+      if response_time > pingAlertLimitMs:
+        log.push(datetime.now().strftime('%H:%M:%S') + " high ping reply time from " + ip + " > " + str(response_time) + " ms")
+
+
+def updateCharts():
+    global ips, conn, c, maxTimeSec, maxResponseTimeMs
+    i = -1
+
+    for ip in ips:
+      i+= 1
+      chart[i].update()
+
+
+i = -1
+for ip in ips:
+    i += 1
+    pingTimer.append(ui.timer(pingIntervalS, lambda iter=i: ping_internal(iter)))
+
+# ui.timer(round(len(ips)*maxPingResponseTimeS+1), lambda: ping_internals())
+chartTimer = ui.timer(chartRefreshS, lambda: updateCharts())
+
+log.push("Auto refresh time: " + str(chartRefreshS) + "sec")
+ui.run(title="pinger", show="False", favicon="📶")

requirements.txt

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+uvicorn==0.20.0
+nicegui==1.2.23
+ping3==4.0.4