Netglass snapshot
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FROM ubuntu:focal AS build
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ENV TZ=Europe/Berlin
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RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && \
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echo $TZ > /etc/timezone
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RUN apt-get update && apt-get install -qq --no-install-recommends\
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apt-transport-https git nodejs npm && npm install --global yarn
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WORKDIR /tmp
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RUN git clone https://github.com/hopglass/hopglass
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WORKDIR /tmp/hopglass
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RUN yarn install && node_modules/grunt/bin/grunt
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FROM ubuntu:focal
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COPY --from=build /tmp/hopglass/build /hopglass
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RUN apt-get update && apt-get install -qq --no-install-recommends\
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nginx python3-venv
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ADD . /app
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RUN cp /app/config.json /hopglass/config.json
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RUN cd /etc/nginx &&\
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cp /app/nginx.conf sites-available/hopglass;\
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ln -s ../sites-available/hopglass sites-enabled/hopglass;\
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rm sites-enabled/default || true
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WORKDIR /app/netglass
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RUN python3 -m venv flask &&\
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flask/bin/pip install -U -r requirements.txt
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CMD ["/app/run.sh"]
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21
README.md
21
README.md
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# Netbox: NetGlass
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View cable topology in [hopglass](https://github.com/hopglass/hopglass) fashioned graph view.
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## Requirements
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* A docker host
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* docker-compose
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## Prepare
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Netglass acts as replacement for [hoplass-server](https://github.com/hopglass/hopglass-server) and uses NetBox's API to gather wiring information.
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First go to your NetBox instance and create a read-only Token. Remember that tokens for users from LDAP backends do not work. Create a file `.env` with the contents
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```
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NETBOX_URL=https://netbox.your.tld
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NETBOX_TOKEN=70bdtoken89nhuf
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```
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Run `docker-compose up -d` to build the hopglass instance.
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{
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"dataPath": "/data/",
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"siteName": "NetGlass",
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"mapSigmaScale": 0.5,
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"showContact": false,
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"maxAge": 365,
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"domainNames": [
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{"domain": "net", "name": "Testnetz"}
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],
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"mapLayers": [
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{
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"name": "OpenStreetMap.HOT"
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}
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],
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"_nodeInfos": [
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{ "href": "https://map.eulenfunk.de/stats/dashboard/db/node-byid?var-nodeid={NODE_ID}",
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"thumbnail": "https://map.eulenfunk.de/stats/render/dashboard-solo/db/node-byid?panelId=1&theme=light&width=600&height=300&var-nodeid={NODE_ID}"
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},
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{ "href": "https://map.eulenfunk.de/stats/dashboard/db/node-byid?var-nodeid={NODE_ID}",
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"thumbnail": "https://map.eulenfunk.de/stats/render/dashboard-solo/db/node-byid?panelId=2&theme=light&width=600&height=500&var-nodeid={NODE_ID}"
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},
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{ "href": "https://map.eulenfunk.de/stats/dashboard/db/node-byid?var-nodeid={NODE_ID}",
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"thumbnail": "https://map.eulenfunk.de/stats/render/dashboard-solo/db/node-byid?panelId=3&theme=light&width=600&height=200&var-nodeid={NODE_ID}"
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}
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],
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"_globalInfos": [
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{ "href": "https://map.eulenfunk.de/stats/dashboard/db/global?var-job=dus",
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"thumbnail": "https://map.eulenfunk.de/stats/render/dashboard-solo/db/global?panelId=1&&theme=light&width=800&height=600&var-job=dus"
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},
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{ "href": "https://map.eulenfunk.de/stats/dashboard/db/global?var-job=dus",
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"thumbnail": "https://map.eulenfunk.de/stats/render/dashboard-solo/db/global?panelId=8&&theme=light&width=800&height=600&var-job=dus"
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}
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],
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"_linkInfos": [
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{ "href": "https://map.eulenfunk.de/stats/dashboard/db/links?var-source={SOURCE}&var-target={TARGET}",
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"thumbnail": "https://map.eulenfunk.de/stats/render/dashboard-solo/db/links?panelId=1&&theme=light&width=800&height=600&var-source={SOURCE}&var-target={TARGET}"
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}
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],
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"siteNames": [
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{ "site": "net", "name": "Location" }
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],
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"_hwImg": [
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]
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}
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version: '3'
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services:
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web:
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build: .
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image: netglass:dev
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environment:
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- NETBOX_URL
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- NETBOX_TOKEN
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#!flask/bin/python3
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import re
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import os
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from flask import Flask, jsonify
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import pynetbox
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import json
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from datetime import datetime
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box = pynetbox.api(
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os.environ.get('NETBOX_URL'),
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token=os.environ['NETBOX_TOKEN']
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)
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netglass = Flask(__name__)
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@netglass.route('/graph.json')
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def net_graph():
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links = []
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nodes = []
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dcim_port_types = ['dcim.interface','dcim.frontport','dcim.rearport']
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def _isdevice(device):
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if isinstance(device, pynetbox.models.dcim.Devices):
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return device
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for wire in box.dcim.cables.all():
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term_a = wire.termination_a.device if wire.termination_a_type in dcim_port_types else None
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term_b = wire.termination_b.device if wire.termination_b_type in dcim_port_types else None
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for node in [term_a,term_b]:
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if not _isdevice(node):
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continue
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if not next((n for n in nodes if n['node_id'] == str(node.id)), None):
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nodes.append({
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'node_id': str(node.id),
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'id': str(node.id)
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})
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link = {
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'bidirect': True,
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'source': next((
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i for i, item in enumerate(nodes)
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if term_a and item['node_id'] == str(term_a.id)), None),
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'target': next((
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i for i, item in enumerate(nodes)
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if term_b and item['node_id'] == str(term_b.id)), None),
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'tq': 1,
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}
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if link['source'] != None and link['target'] != None:
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links.append(link)
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return jsonify({'batadv':{
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'directed': True,
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'graph': None,
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'multigraph': True,
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'links': links,
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'nodes': nodes,
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},
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'version': 1})
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@netglass.route('/nodes.json')
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def net_nodes():
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nodes = []
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for node in [
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n for n in box.dcim.devices.all()
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if isinstance(n, pynetbox.models.dcim.Devices)]:
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lastseen = datetime.now().replace(microsecond=0)
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addresses = []
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for primary_ip in [node.primary_ip4,node.primary_ip6]:
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if primary_ip:
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addresses.append(re.sub(r'/\d+', '', primary_ip.address))
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nodes.append({
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'flags': {'online': True, 'gateway': False},
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'firstseen': lastseen.isoformat(),
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'lastseen': lastseen.isoformat(),
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'nodeinfo': {
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'hostname': node.display_name,
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'node_id': str(node.id),
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'network': { 'mac': node.name, 'addresses': addresses },
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'mesh_interfaces': [node.name],
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'mesh': {
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'bat0': { 'interfaces': { 'other': [node.name] } }
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},
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'system': {
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'site_code': 'net'
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},
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'traffic': {
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'forward': {'packets': 0, 'bytes': 0},
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'mgmt_rx': {'packets': 0, 'bytes': 0},
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'mgmt_tx': {'packets': 0, 'bytes': 0},
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'rx': {'packets': 0, 'bytes': 0},
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'tx': {'packets': 0, 'bytes': 0, 'dropped': 0}
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}
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},
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'statistics': {
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'clients': 0,
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'gateway': '',
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'memory_usage': 0,
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'rootfs_usage': 0,
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'uptime': 0
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}
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})
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return jsonify({
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'nodes': nodes,
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'timestamp': datetime.now().replace(microsecond=0).isoformat(),
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'version': 2
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})
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if __name__ == '__main__':
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netglass.run(debug=False, port=8080)
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flask
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pynetbox
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upstream netglass {
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server 127.0.0.1:8080;
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}
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server {
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listen 80 default_server;
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listen [::]:80 default_server;
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# SSL configuration
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#
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# listen 443 ssl default_server;
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# listen [::]:443 ssl default_server;
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#
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# Note: You should disable gzip for SSL traffic.
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# See: https://bugs.debian.org/773332
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#
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# Read up on ssl_ciphers to ensure a secure configuration.
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# See: https://bugs.debian.org/765782
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#
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# Self signed certs generated by the ssl-cert package
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# Don't use them in a production server!
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#
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# include snippets/snakeoil.conf;
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root /hopglass;
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location /data/ {
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rewrite /data/(.*) /$1 break;
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proxy_pass http://netglass;
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proxy_redirect off;
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proxy_set_header Host $host;
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}
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# Add index.php to the list if you are using PHP
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index index.html index.htm index.nginx-debian.html;
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server_name _;
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location / {
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# First attempt to serve request as file, then
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# as directory, then fall back to displaying a 404.
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try_files $uri $uri/ =404;
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}
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}
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