Files
Windshaft-cartodb/lib/cartodb/backends/analysis.js
T

51 lines
1.8 KiB
JavaScript

var camshaft = require('camshaft');
var fs = require('fs');
function AnalysisBackend (options) {
options = options || {};
this.setBatchConfig(options.batch);
this.setLoggerConfig(options.logger);
}
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.setLoggerConfig = function (options) {
var loggerConfig = options || {};
loggerConfig.filename = loggerConfig.filename;
this.loggerConfig = loggerConfig;
if (this.loggerConfig.filename) {
this.stream = fs.createWriteStream(this.loggerConfig.filename, { flags: 'a', encoding: 'utf8' });
process.on('SIGHUP', function () {
if (this.stream) {
this.stream.destroy();
}
this.stream = fs.createWriteStream(this.loggerConfig.filename, { flags: 'a', encoding: 'utf8' });
}.bind(this));
}
};
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;
analysisConfiguration.logger = {
stream: this.stream ? this.stream : process.stdout
};
camshaft.create(analysisConfiguration, analysisDefinition, callback);
};