falcon-dashboard/rrd/view/api.py

#-*- coding:utf-8 -*-
import json
import requests
from flask import request, abort, g
from rrd import app, config

#done, TODO:query by tags
@app.route("/api/endpoints")
def api_endpoints():
    ret = {
            "ok": False,
            "msg": "",
            "data": [],
            }

    q = request.args.get("q") or ""
    raw_tag = request.args.get("tags") or ""
    tags = raw_tag and [x.strip() for x in raw_tag.split(",")] or []
    limit = int(request.args.get("limit") or 100)

    if not q and not tags:
        ret["msg"] = "no query params given"
        return json.dumps(ret)

    r = requests.get(config.API_ADDR + "/graph/endpoint?q=%s&limit=%s&tags=%s" %(q, limit, tags))
    if r.status_code != 200:
        abort(400, r.text)

    j = sorted(r.json(), key=lambda x:x["endpoint"])
    endpoints = [x["endpoint"] for x in j]

    ret['data'] = j
    ret['ok'] = True

    return json.dumps(ret)

#done
@app.route("/api/counters", methods=["POST"])
def api_get_counters():
    ret = {
            "ok": False,
            "msg": "",
            "data": [],
            }

    q = request.form.get("q") or ""
    limit = int(request.form.get("limit") or 100)
    eids = request.form.get("eids") or ""
    eids = eids and json.loads(eids) or []

    if not (eids or q):
        ret['msg'] = "no endpoints or counter given"
        return json.dumps(ret)

    r = requests.get(config.API_ADDR + "/graph/endpoint_counter?eid=%s&metricQuery=%s&limit=%s" %(",".join(eids), q, limit))
    if r.status_code != 200:
        abort(400, r.text)
    j = r.json()

    counters_map = {}
    for x in j:
        counters_map[x['counter']] = [x['counter'], x['type'], x['step']]
    sorted_counters = sorted(counters_map.keys())
    sorted_values = [counters_map[x] for x in sorted_counters]

    ret['data'] = sorted_values
    ret['ok'] = True

    return json.dumps(ret)