128 lines
3.6 KiB
Python
128 lines
3.6 KiB
Python
import fcntl
|
|
import hmac
|
|
import json
|
|
import logging
|
|
import logging.config
|
|
import os
|
|
|
|
from flask import (Flask, request, jsonify, abort, render_template)
|
|
|
|
from ltsdb_json import LTS
|
|
|
|
import config
|
|
|
|
logging.config.dictConfig(config.logging)
|
|
|
|
app = Flask(__name__)
|
|
|
|
log = logging.getLogger()
|
|
|
|
@app.route("/")
|
|
def home():
|
|
return jsonify({ "success": None })
|
|
|
|
|
|
@app.route("/report", methods=["POST"])
|
|
def report():
|
|
data = request.get_json()
|
|
n_ts = 0
|
|
n_dp = 0
|
|
for d in data:
|
|
d["description"]["remote_addr"] = request.remote_addr
|
|
d["description"]["node"] = verify_node(d)
|
|
|
|
log.info("received %s", json.dumps(d))
|
|
ts = LTS(d["description"])
|
|
for dp in d["data"]:
|
|
ts.add(*dp)
|
|
ts.save()
|
|
n_dp += 1
|
|
n_ts += 1
|
|
return jsonify({ "success": True, "timeseries": n_ts, "datapoints": n_dp })
|
|
|
|
@app.route("/ts/<id>")
|
|
def get_timeseries(id):
|
|
try:
|
|
ts = LTS(id=id)
|
|
except FileNotFoundError:
|
|
abort(404)
|
|
return jsonify({"description": ts.description, "data": ts.data})
|
|
|
|
@app.route("/dimensions")
|
|
def list_dimensions():
|
|
with open("data/.index") as fh:
|
|
fcntl.flock(fh, fcntl.LOCK_SH)
|
|
index = json.load(fh)
|
|
# Just return the number of timeseries for each dimension/member, not
|
|
# the timeseries themselves
|
|
for d in index.keys():
|
|
for m in index[d].keys():
|
|
index[d][m] = len(index[d][m])
|
|
return jsonify(index)
|
|
|
|
@app.route("/search")
|
|
def search():
|
|
log.debug("search: %s", request.args)
|
|
return jsonify(_search())
|
|
|
|
def _search():
|
|
timeseries = None
|
|
with open("data/.index") as fh:
|
|
fcntl.flock(fh, fcntl.LOCK_SH)
|
|
index = json.load(fh)
|
|
for k, v in request.args.lists():
|
|
log.debug("search: %s -> %s", k, v)
|
|
if timeseries is None:
|
|
timeseries = set()
|
|
log.debug("search: %s: %s", k, index[k])
|
|
for m in v:
|
|
timeseries |= set(index[k][m])
|
|
else:
|
|
filter = set()
|
|
for m in v:
|
|
filter |= set(index[k][m])
|
|
timeseries &= filter
|
|
results = list(timeseries)
|
|
return results
|
|
|
|
def verify_node(d):
|
|
node = d["auth"]["node"]
|
|
timestamp = d["auth"]["timestamp"]
|
|
digest1 = d["auth"]["hmac"]
|
|
if "/" in node:
|
|
raise ValueError("invalid node name %s", node)
|
|
try:
|
|
log.info("getting client config from %s", "config/" + node)
|
|
with open("config/" + node) as fh:
|
|
node_conf = json.load(fh)
|
|
except Exception as e:
|
|
log.warning("got %s opening %s", e, "config/" + node)
|
|
abort(401, "unknown client")
|
|
last = node_conf["last"]
|
|
for key in node_conf["keys"]:
|
|
msg = (node + " " + str(timestamp)).encode("UTF-8")
|
|
hmac2 = hmac.new(key.encode("UTF-8"), msg, "SHA256")
|
|
digest2 = hmac2.hexdigest()
|
|
if hmac.compare_digest(digest1, digest2):
|
|
if timestamp > node_conf["last"]:
|
|
node_conf["last"] = timestamp
|
|
os.replace("config/" + node, "config/" + node + ".old")
|
|
with open("config/" + node, "w") as fh:
|
|
json.dump(node_conf, fh) # XXX
|
|
return node
|
|
else:
|
|
abort(409, "timestamp out of sync")
|
|
abort(401, "auth failed")
|
|
|
|
@app.get("/v")
|
|
def visualize():
|
|
timeseries_ids = request.args.getlist("ts")
|
|
if not timeseries_ids:
|
|
timeseries_ids = _search()
|
|
log.debug("timeseries_ids = %s", timeseries_ids)
|
|
timeseries_data = []
|
|
for id in timeseries_ids:
|
|
ts = LTS(id=id)
|
|
timeseries_data.append(ts)
|
|
return render_template("visualize.html", ts=timeseries_data)
|