Rashid Khan
450 lines
12 KiB
JavaScript
450 lines
12 KiB
JavaScript
/*jshint globalstrict:true */
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/*global angular:true */
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'use strict';
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angular.module('kibana.services', [])
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.service('eventBus', function($rootScope) {
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// An array of registed types
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var _types = []
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this.broadcast = function(from,to,type,data) {
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if(_.isUndefined(data))
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var data = from
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var packet = {
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time: new Date(),
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type: type,
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from: from,
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to: to,
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data: data
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}
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if(_.contains(_types,'$kibana_debug'))
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$rootScope.$broadcast('$kibana_debug',packet);
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//console.log('Sent: '+type + ' to ' + to + ' from ' + from + ': ' + angular.toJson(data))
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$rootScope.$broadcast(type,{
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from: from,
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to: to,
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data: data
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});
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}
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// This sets up an $on listener that checks to see if the event (packet) is
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// addressed to the scope in question and runs the registered function if it
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// is.
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this.register = function(scope,type,fn) {
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_types = _.union(_types,[type])
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scope.$on(type,function(event,packet){
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var _id = scope.$id;
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var _to = packet.to;
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var _from = packet.from;
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var _type = packet.type
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var _time = packet.time
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var _group = (!(_.isUndefined(scope.panel))) ? scope.panel.group : ["NONE"]
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//console.log('registered:' + type + " for " + scope.panel.title + " " + scope.$id)
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if(!(_.isArray(_to)))
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_to = [_to];
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if(!(_.isArray(_group)))
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_group = [_group];
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// Transmit event only if the sender is not the receiver AND one of the following:
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// 1) Receiver has group in _to 2) Receiver's $id is in _to
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// 3) Event is addressed to ALL 4) Receiver is in ALL group
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if((_.intersection(_to,_group).length > 0 ||
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_.indexOf(_to,_id) > -1 ||
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_.indexOf(_group,'ALL') > -1 ||
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_.indexOf(_to,'ALL') > -1) &&
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_from !== _id
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) {
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//console.log('Got: '+type + ' from ' + _from + ' to ' + _to + ': ' + angular.toJson(packet.data))
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fn(event,packet.data,{time:_time,to:_to,from:_from,type:_type});
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}
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});
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}
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})
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/*
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Service: fields
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Provides a global list of all seen fields for use in editor panels
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*/
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.factory('fields', function($rootScope) {
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var fields = {
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list : []
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}
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$rootScope.$on('fields', function(event,f) {
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fields.list = _.union(f.data.all,fields.list)
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})
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return fields;
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})
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.service('kbnIndex',function($http) {
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// returns a promise containing an array of all indices matching the index
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// pattern that exist in a given range
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this.indices = function(from,to,pattern,interval) {
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var possible = [];
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_.each(expand_range(fake_utc(from),fake_utc(to),interval),function(d){
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possible.push(d.format(pattern));
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});
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return all_indices().then(function(p) {
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var indices = _.intersection(possible,p);
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indices.reverse();
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return indices
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})
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};
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// returns a promise containing an array of all indices in an elasticsearch
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// cluster
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function all_indices() {
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var something = $http({
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url: config.elasticsearch + "/_aliases",
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method: "GET"
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}).error(function(data, status, headers, config) {
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// Handle error condition somehow?
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});
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return something.then(function(p) {
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var indices = [];
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_.each(p.data, function(v,k) {
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indices.push(k)
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});
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return indices;
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});
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}
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// this is stupid, but there is otherwise no good way to ensure that when
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// I extract the date from an object that I get the UTC date. Stupid js.
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// I die a little inside every time I call this function.
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// Update: I just read this again. I died a little more inside.
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// Update2: More death.
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function fake_utc(date) {
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date = moment(date).clone().toDate()
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return moment(new Date(date.getTime() + date.getTimezoneOffset() * 60000));
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}
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// Create an array of date objects by a given interval
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function expand_range(start, end, interval) {
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if(_.contains(['hour','day','week','month','year'],interval)) {
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var range;
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start = moment(start).clone();
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range = [];
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while (start.isBefore(end)) {
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range.push(start.clone());
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switch (interval) {
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case 'hour':
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start.add('hours',1)
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break
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case 'day':
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start.add('days',1)
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break
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case 'week':
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start.add('weeks',1)
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break
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case 'month':
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start.add('months',1)
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break
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case 'year':
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start.add('years',1)
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break
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}
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}
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range.push(moment(end).clone());
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return range;
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} else {
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return false;
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}
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}
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})
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.service('timer', function($timeout) {
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// This service really just tracks a list of $timeout promises to give us a
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// method for cancelling them all when we need to
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var timers = [];
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this.register = function(promise) {
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timers.push(promise);
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return promise;
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}
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this.cancel = function(promise) {
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timers = _.without(timers,promise)
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$timeout.cancel(promise)
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}
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this.cancel_all = function() {
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_.each(timers, function(t){
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$timeout.cancel(t);
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});
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timers = new Array();
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}
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})
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.service('query', function() {
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})
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.service('dashboard', function($routeParams, $http, $rootScope, ejsResource, timer) {
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// A hash of defaults to use when loading a dashboard
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var _dash = {
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title: "",
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editable: true,
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rows: [],
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services: {}
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};
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// An elasticJS client to use
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var ejs = ejsResource(config.elasticsearch);
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var gist_pattern = /(^\d{5,}$)|(^[a-z0-9]{10,}$)|(gist.github.com(\/*.*)\/[a-z0-9]{5,}\/*$)/;
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// Empty dashboard object
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this.current = {};
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this.last = {};
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// Store a reference to this
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var self = this;
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$rootScope.$on('$routeChangeSuccess',function(){
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route();
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})
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var route = function() {
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// Is there a dashboard type and id in the URL?
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if(!(_.isUndefined($routeParams.type)) && !(_.isUndefined($routeParams.id))) {
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var _type = $routeParams.type;
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var _id = $routeParams.id;
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if(_type === 'elasticsearch')
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self.elasticsearch_load('dashboard',_id)
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if(_type === 'temp')
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self.elasticsearch_load('temp',_id)
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if(_type === 'file')
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self.file_load(_id)
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// No dashboard in the URL
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} else {
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// Check if browser supports localstorage, and if there's a dashboard
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if (Modernizr.localstorage &&
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!(_.isUndefined(localStorage['dashboard'])) &&
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localStorage['dashboard'] !== ''
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) {
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var dashboard = JSON.parse(localStorage['dashboard']);
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_.defaults(dashboard,_dash);
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self.dash_load(dashboard)
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// No? Ok, grab default.json, its all we have now
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} else {
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self.file_load('default')
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}
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}
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}
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this.to_file = function() {
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var blob = new Blob([angular.toJson(self.current,true)], {type: "application/json;charset=utf-8"});
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// from filesaver.js
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saveAs(blob, self.current.title+"-"+new Date().getTime());
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return true;
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}
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this.set_default = function(dashboard) {
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if (Modernizr.localstorage) {
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localStorage['dashboard'] = angular.toJson(dashboard || self.current);
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return true;
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} else {
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return false;
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}
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}
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this.purge_default = function() {
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if (Modernizr.localstorage) {
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localStorage['dashboard'] = '';
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return true;
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} else {
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return false;
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}
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}
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// TOFIX: Pretty sure this breaks when you're on a saved dashboard already
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this.share_link = function(title,type,id) {
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return {
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location : location.href.replace(location.hash,""),
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type : type,
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id : id,
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link : location.href.replace(location.hash,"")+"#dashboard/"+type+"/"+id,
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title : title
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};
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}
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this.file_load = function(file) {
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return $http({
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url: "dashboards/"+file,
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method: "GET",
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}).then(function(result) {
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var _dashboard = result.data
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_.defaults(_dashboard,_dash);
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self.dash_load(_dashboard);
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return true;
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},function(result) {
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return false;
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});
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}
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this.elasticsearch_load = function(type,id) {
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var request = ejs.Request().indices(config.kibana_index).types(type);
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var results = request.query(
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ejs.IdsQuery(id)
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).doSearch();
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return results.then(function(results) {
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if(_.isUndefined(results)) {
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return false;
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} else {
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self.dash_load(angular.fromJson(results.hits.hits[0]['_source']['dashboard']))
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return true;
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}
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});
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}
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this.elasticsearch_save = function(type,title,ttl) {
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// Clone object so we can modify it without influencing the existing obejct
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var save = _.clone(self.current)
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// Change title on object clone
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if (type === 'dashboard') {
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var id = save.title = _.isUndefined(title) ? self.current.title : title;
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}
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// Create request with id as title. Rethink this.
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var request = ejs.Document(config.kibana_index,type,id).source({
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user: 'guest',
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group: 'guest',
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title: save.title,
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dashboard: angular.toJson(save)
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})
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if (type === 'temp')
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request = request.ttl(ttl)
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// TOFIX: Implement error handling here
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return request.doIndex(
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// Success
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function(result) {
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return result;
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},
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// Failure
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function(result) {
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return false;
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}
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);
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}
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this.elasticsearch_delete = function(id) {
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return ejs.Document(config.kibana_index,'dashboard',id).doDelete(
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// Success
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function(result) {
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return result;
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},
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// Failure
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function(result) {
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return false;
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}
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);
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}
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this.elasticsearch_list = function(query,count) {
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var request = ejs.Request().indices(config.kibana_index).types('dashboard');
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return request.query(
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ejs.QueryStringQuery(query || '*')
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).size(count).doSearch(
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// Success
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function(result) {
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return result;
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},
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// Failure
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function(result) {
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return false;
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}
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);
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}
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// TOFIX: Gist functionality
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this.save_gist = function(title,dashboard) {
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var save = _.clone(dashboard || self.current)
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save.title = title || self.current.title;
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return $http({
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url: "https://api.github.com/gists",
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method: "POST",
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data: {
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"description": save.title,
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"public": false,
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"files": {
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"kibana-dashboard.json": {
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"content": angular.toJson(save,true)
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}
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}
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}
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}).then(function(data, status, headers, config) {
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return data.data.html_url;
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}, function(data, status, headers, config) {
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return false;
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});
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}
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this.gist_list = function(id) {
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return $http.jsonp("https://api.github.com/gists/"+id+"?callback=JSON_CALLBACK"
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).then(function(response) {
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var files = []
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_.each(response.data.data.files,function(v,k) {
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try {
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var file = JSON.parse(v.content)
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files.push(file)
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} catch(e) {
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// Nothing?
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}
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});
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return files;
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}, function(data, status, headers, config) {
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return false;
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});
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}
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this.dash_load = function(dashboard) {
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self.current = dashboard;
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timer.cancel_all();
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return true;
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}
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this.gist_id = function(string) {
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if(self.is_gist(string))
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return string.match(gist_pattern)[0].replace(/.*\//, '');
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}
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this.is_gist = function(string) {
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if(!_.isUndefined(string) && string != '' && !_.isNull(string.match(gist_pattern)))
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return string.match(gist_pattern).length > 0 ? true : false;
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else
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return false
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}
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})
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.service('keylistener', function($rootScope) {
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var keys = [];
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$(document).keydown(function (e) {
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keys[e.which] = true;
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});
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$(document).keyup(function (e) {
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delete keys[e.which];
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});
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this.keyActive = function(key) {
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return keys[key] == true;
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}
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});
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