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arangodb/js/apps/system/aardvark/cluster.js

103 lines
3.1 KiB
JavaScript

/*jslint indent: 2, nomen: true, maxlen: 100, white: true, plusplus: true, unparam: true */
/*global require, applicationContext*/
////////////////////////////////////////////////////////////////////////////////
/// @brief A Foxx.Controller to show all Foxx Applications
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2010-2013 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Michael Hackstein
/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
(function() {
"use strict";
// Initialise a new FoxxController called controller under the urlPrefix: "cluster".
var FoxxController = require("org/arangodb/foxx").Controller,
controller = new FoxxController(applicationContext),
_ = require("underscore"),
Communication = require("org/arangodb/sharding/agency-communication"),
comm = new Communication.Communication(),
beats = comm.sync.Heartbeats(),
servers = comm.current.DBServers(),
dbs = comm.current.Databases(),
coords = comm.current.Coordinators();
/** Get all DBServers
*
* Get a list of all running and expected DBServers
* within the cluster
*/
controller.get("/DBServers", function(req, res) {
var resList = [],
list = servers.getList(),
noBeat = beats.noBeat(),
serving = beats.getServing();
_.each(list, function(v, k) {
v.name = k;
resList.push(v);
if (_.contains(noBeat, k)) {
v.status = "critical";
return;
}
if (v.role === "primary" && !_.contains(serving, k)) {
v.status = "warning";
return;
}
v.status = "ok";
});
res.json(resList);
});
controller.get("/Databases", function(req, res) {
var list = dbs.getList();
res.json(_.map(list, function(d) {
return {name: d};
}));
});
controller.get("/:dbname/Collections", function(req, res) {
var dbname = req.params("dbname"),
selected = dbs.select(dbname);
res.json(_.map(selected.getCollections(),
function(c) {
return {name: c};
})
);
});
controller.get("/:dbname/:colname/Shards/:servername", function(req, res) {
var dbname = req.params("dbname"),
colname = req.params("colname"),
servername = req.params("servername"),
selected = dbs.select(dbname).collection(colname);
res.json(_.map(selected.getShardsForServer(servername),
function(c) {
return {id: c};
})
);
});
}());