Windshaft-cartodb/lib/backends/analysis.js
2020-06-02 12:31:18 +02:00

74 lines
2.6 KiB
JavaScript

'use strict';
var _ = require('underscore');
var camshaft = require('camshaft');
var REDIS_LIMITS = {
DB: 5,
PREFIX: 'limits:analyses:' // + username
};
function AnalysisBackend (metadataBackend, options) {
this.metadataBackend = metadataBackend;
this.options = options || {};
this.options.limits = this.options.limits || {};
this.setBatchConfig(this.options.batch);
}
module.exports = AnalysisBackend;
AnalysisBackend.prototype.setBatchConfig = function (options) {
var batchConfig = options || {};
batchConfig.endpoint = batchConfig.endpoint || 'http://127.0.0.1:8080/api/v1/sql/job';
batchConfig.inlineExecution = batchConfig.inlineExecution || false;
batchConfig.hostHeaderTemplate = batchConfig.hostHeaderTemplate || '{{=it.username}}.localhost.lan';
this.batchConfig = batchConfig;
};
AnalysisBackend.prototype.create = function (analysisConfiguration, analysisDefinition, callback) {
analysisConfiguration.batch.endpoint = this.batchConfig.endpoint;
analysisConfiguration.batch.inlineExecution = this.batchConfig.inlineExecution;
analysisConfiguration.batch.hostHeaderTemplate = this.batchConfig.hostHeaderTemplate;
this.getAnalysesLimits(analysisConfiguration.user, function (err, limits) {
if (err) {}
analysisConfiguration.limits = limits || {};
camshaft.create(analysisConfiguration, analysisDefinition, callback);
});
};
AnalysisBackend.prototype.getAnalysesLimits = function (username, callback) {
var self = this;
var analysesLimits = {
analyses: {
// buffer: {
// timeout: 1000,
// maxNumberOfRows: 1e6
// }
}
};
Object.keys(self.options.limits).forEach(function (analysisTypeOrTag) {
analysesLimits.analyses[analysisTypeOrTag] = _.extend({}, self.options.limits[analysisTypeOrTag]);
});
var analysesLimitsKey = REDIS_LIMITS.PREFIX + username;
this.metadataBackend.redisCmd(REDIS_LIMITS.DB, 'HGETALL', [analysesLimitsKey], function (err, analysesTimeouts) {
if (err) {}
// analysesTimeouts wil be something like: { moran: 3000, intersection: 5000 }
analysesTimeouts = analysesTimeouts || {};
Object.keys(analysesTimeouts).forEach(function (analysisType) {
analysesLimits.analyses[analysisType] = _.defaults(
{
timeout: Number.isFinite(+analysesTimeouts[analysisType]) ? +analysesTimeouts[analysisType] : 0
},
analysesLimits.analyses[analysisType]
);
});
return callback(null, analysesLimits);
});
};