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app.py
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app.py
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#! /usr/bin/env python
from os import environ
import sys
import signal
from pymongo import MongoClient
from flask import Flask, request, redirect, render_template
app = Flask(__name__)
@app.route('/', methods=['GET'])
def hello_world():
motd=get_motd()
message_list=get_messages()
return render_template('main.jinja', motd=motd, message_list=message_list)
@app.route('/', methods=['POST'])
def save_message():
if database_enabled:
message = request.form['text']
db.messages.insert_one({"text":message})
return redirect('/')
def get_messages():
if database_enabled:
try:
return [message for message in db.messages.find()]
except:
return None
else:
return None
def get_motd():
try:
message = open('/webconfig/motd','r').read()
return message
except:
return None
def sigterm_handler(_signo, _stack_frame):
sys.exit(0)
if __name__ == '__main__':
try:
dbname = environ['database-name']
dbuser = environ['database-user']
dbpass = environ['database-password']
client = MongoClient('mongodb://%s:%s@mongodb/%s' % (dbuser,dbpass,dbname))
db = client[dbname]
database_enabled = True
except:
database_enabled = False
signal.signal(signal.SIGTERM, sigterm_handler)
try:
app.run(host='0.0.0.0', port=8080)
finally:
print('Exiting...')