def server_schema(host):
# Get the most recent data point
points = mongo.db.points
try:
record = points.find(host=host).sort('date', -1).limit(1)[0]
except IndexError:
return jsonify(objects=[])
# Flatten its data into a list of attributes
objects = list(flatten_dict(record.get('data')))
# Get just the attribute name and sort alphabetically
objects = sorted(map(lambda x: x[0], objects))
return jsonify(objects=objects)
def inform():
""" Report on a node's current stats and save that data to mongodb """
points = mongo.db.points
points.insert({
'ip': request.json['ip'],
'host': request.json['host'],
'data': request.json.get('data', {}),
'date': datetime.datetime.utcnow(),
})
return jsonify(success=True)
def server_metric(host, stat):
# Figure out the date
end = request.args.get('end', datetime.datetime.now())
if not isinstance(end, datetime.datetime):
end = parser.parse(end)
start = request.args.get('start', end - datetime.timedelta(hours=4))
if not isinstance(start, datetime.datetime):
start = parser.parse(start)
# Get data from the server
points = mongo.db.points
query = {
'host': host,
'date': {
'$gt': start,
"$lte": end,
},
}
fields = {
'data.%s' % stat: 1,
'date': 1
}
# Parse the data into a dict of { date: value }
results = []
bits = stat.split('.')
for record in points.find(query, fields=fields):
t = record['data']
for bit in bits:
t = t.get(bit, {})
#Javascript needs UTC time in milliseconds
timestamp = int(mktime(record['date'].timetuple())) * 1000
results.append((timestamp, t))
data = {
'host': host,
'property': stat,
'series': results,
}
return jsonify(objects=data)
def fetch_alerts(host):
alerts = mongo.db.alerts.find(host=host)
return jsonify(objects=alerts)
def server_list():
""" Get a list of all servers and their properties """
points = mongo.db.points
return jsonify(objects=points.distinct('host'))