41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
'use strict';
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var filter = require('./filter');
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var VError = require('verror');
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exports.readCFServices = readCFServices;
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exports.filterCFServices = filterCFServices;
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function readCFServices() {
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if (!process.env.VCAP_SERVICES) {
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return;
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}
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try {
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var services = JSON.parse(process.env.VCAP_SERVICES);
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} catch (err) {
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throw new VError(err, 'Environment variable VCAP_SERVICES is not a valid JSON string.');
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}
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var result = {};
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for (var s in services) {
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for (var si in services[s]) {
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var svc = services[s][si];
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result[svc.name] = svc; // name is the service instance id
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}
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}
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return result;
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}
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/**
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* Returns an array of Cloud Foundry services matching the given filter.
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*
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* @param filterQuery {(string|Object|function)}
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* - if string, returns the service with the same service instance name (name property)
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* - if Object, should have some of these properties [name, label, tag, plan] and returns all services
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* where all of the given properties match. Given tag matches if it is present in the tags array.
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* - if function, should take a service object as argument and return true only if it matches the filter
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* @returns Arrays of matching service objects, empty if no matches
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*/
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function filterCFServices(filterQuery) {
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return filter.apply(readCFServices(), filterQuery);
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}
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