mirror of https://github.com/grafana/grafana
Mitsuhiro Tanda
10 years ago
parent
dea2234b14
commit
2cce057df1
@ -0,0 +1,2 @@ |
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declare var test: any; |
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export default test; |
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@ -0,0 +1,125 @@ |
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define([ |
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'lodash', |
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'moment', |
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], |
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function (_, moment) { |
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'use strict'; |
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|
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function PrometheusMetricFindQuery(datasource, query) { |
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this.datasource = datasource; |
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this.query = query; |
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} |
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|
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PrometheusMetricFindQuery.prototype.process = function() { |
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var label_values_regex = /^label_values\(([^,]+)(?:,\s*(.+))?\)$/; |
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var metric_names_regex = /^metrics\((.+)\)$/; |
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var query_result_regex = /^query_result\((.+)\)$/; |
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|
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var label_values_query = this.query.match(label_values_regex); |
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if (label_values_query) { |
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if (label_values_query[2]) { |
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return this.labelValuesQuery(label_values_query[2], label_values_query[1]); |
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} else { |
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return this.labelValuesQuery(label_values_query[1], null); |
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} |
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} |
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|
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var metric_names_query = this.query.match(metric_names_regex); |
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if (metric_names_query) { |
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return this.metricNameQuery(metric_names_query[1]); |
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} |
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|
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var query_result_query = this.query.match(query_result_regex); |
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if (query_result_query) { |
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return this.queryResultQuery(query_result_query[1]); |
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} |
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|
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// if query contains full metric name, return metric name and label list
|
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return this.metricNameAndLabelsQuery(this.query); |
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}; |
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|
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PrometheusMetricFindQuery.prototype.labelValuesQuery = function(label, metric) { |
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var url; |
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|
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if (!metric) { |
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// return label values globally
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url = '/api/v1/label/' + label + '/values'; |
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|
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return this.datasource._request('GET', url).then(function(result) { |
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return _.map(result.data.data, function(value) { |
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return {text: value}; |
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}); |
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}); |
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} else { |
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url = '/api/v1/series?match[]=' + encodeURIComponent(metric); |
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|
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return this.datasource._request('GET', url) |
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.then(function(result) { |
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return _.map(result.data.data, function(metric) { |
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return { |
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text: metric[label], |
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expandable: true |
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}; |
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}); |
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}); |
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} |
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}; |
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|
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PrometheusMetricFindQuery.prototype.metricNameQuery = function(metricFilterPattern) { |
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var url = '/api/v1/label/__name__/values'; |
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|
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return this.datasource._request('GET', url) |
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.then(function(result) { |
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return _.chain(result.data.data) |
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.filter(function(metricName) { |
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var r = new RegExp(metricFilterPattern); |
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return r.test(metricName); |
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}) |
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.map(function(matchedMetricName) { |
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return { |
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text: matchedMetricName, |
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expandable: true |
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}; |
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}) |
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.value(); |
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}); |
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}; |
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|
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PrometheusMetricFindQuery.prototype.queryResultQuery = function(query) { |
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var url = '/api/v1/query?query=' + encodeURIComponent(query) + '&time=' + (moment().valueOf() / 1000); |
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|
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return this.datasource._request('GET', url) |
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.then(function(result) { |
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return _.map(result.data.data.result, function(metricData) { |
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var text = metricData.metric.__name__ || ''; |
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delete metricData.metric.__name__; |
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text += '{' + |
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_.map(metricData.metric, function(v, k) { return k + '="' + v + '"'; }).join(',') + |
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'}'; |
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text += ' ' + metricData.value[1] + ' ' + metricData.value[0] * 1000; |
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|
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return { |
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text: text, |
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expandable: true |
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}; |
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}); |
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}); |
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}; |
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|
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PrometheusMetricFindQuery.prototype.metricNameAndLabelsQuery = function(query) { |
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var url = '/api/v1/series?match[]=' + encodeURIComponent(query); |
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|
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var self = this; |
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return this.datasource._request('GET', url) |
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.then(function(result) { |
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return _.map(result.data.data, function(metric) { |
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return { |
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text: self.datasource.getOriginalMetricName(metric), |
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expandable: true |
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}; |
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}); |
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}); |
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}; |
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|
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return PrometheusMetricFindQuery; |
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}); |
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@ -0,0 +1,83 @@ |
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import {describe, beforeEach, it, sinon, expect, angularMocks} from 'test/lib/common'; |
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import moment from 'moment'; |
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import helpers from 'test/specs/helpers'; |
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import {PrometheusDatasource} from '../datasource'; |
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import PrometheusMetricFindQuery from '../metric_find_query'; |
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|
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describe('PrometheusMetricFindQuery', function() { |
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var ctx = new helpers.ServiceTestContext(); |
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var instanceSettings = {url: 'proxied', directUrl: 'direct', user: 'test', password: 'mupp' }; |
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beforeEach(angularMocks.module('grafana.core')); |
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beforeEach(angularMocks.module('grafana.services')); |
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beforeEach(angularMocks.inject(function($q, $rootScope, $httpBackend, $injector) { |
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ctx.$q = $q; |
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ctx.$httpBackend = $httpBackend; |
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ctx.$rootScope = $rootScope; |
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ctx.ds = $injector.instantiate(PrometheusDatasource, {instanceSettings: instanceSettings}); |
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})); |
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|
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describe('When performing metricFindQuery', function() { |
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var results; |
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var response; |
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it('label_values(resource) should generate label search query', function() { |
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response = { |
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status: "success", |
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data: ["value1", "value2", "value3"] |
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}; |
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ctx.$httpBackend.expect('GET', 'proxied/api/v1/label/resource/values').respond(response); |
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var pm = new PrometheusMetricFindQuery(ctx.ds, 'label_values(resource)'); |
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pm.process().then(function(data) { results = data; }); |
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ctx.$httpBackend.flush(); |
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ctx.$rootScope.$apply(); |
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expect(results.length).to.be(3); |
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}); |
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it('label_values(metric, resource) should generate series query', function() { |
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response = { |
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status: "success", |
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data: [ |
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{__name__: "metric", resource: "value1"}, |
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{__name__: "metric", resource: "value2"}, |
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{__name__: "metric", resource: "value3"} |
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] |
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}; |
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ctx.$httpBackend.expect('GET', 'proxied/api/v1/series?match[]=metric').respond(response); |
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var pm = new PrometheusMetricFindQuery(ctx.ds, 'label_values(metric, resource)'); |
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pm.process().then(function(data) { results = data; }); |
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ctx.$httpBackend.flush(); |
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ctx.$rootScope.$apply(); |
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expect(results.length).to.be(3); |
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}); |
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it('metrics(metric.*) should generate metric name query', function() { |
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response = { |
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status: "success", |
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data: ["metric1","metric2","metric3","nomatch"] |
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}; |
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ctx.$httpBackend.expect('GET', 'proxied/api/v1/label/__name__/values').respond(response); |
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var pm = new PrometheusMetricFindQuery(ctx.ds, 'metrics(metric.*)'); |
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pm.process().then(function(data) { results = data; }); |
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ctx.$httpBackend.flush(); |
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ctx.$rootScope.$apply(); |
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expect(results.length).to.be(3); |
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}); |
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it('query_result(metric) should generate metric name query', function() { |
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response = { |
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status: "success", |
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data: { |
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resultType: "vector", |
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result: [{ |
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metric: {"__name__": "metric", job: "testjob"}, |
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value: [1443454528.000, "3846"] |
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}] |
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} |
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}; |
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ctx.$httpBackend.expect('GET', /proxied\/api\/v1\/query\?query=metric&time=.*/).respond(response); |
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var pm = new PrometheusMetricFindQuery(ctx.ds, 'query_result(metric)'); |
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pm.process().then(function(data) { results = data; }); |
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ctx.$httpBackend.flush(); |
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ctx.$rootScope.$apply(); |
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expect(results.length).to.be(1); |
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expect(results[0].text).to.be('metric{job="testjob"} 3846 1443454528000'); |
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}); |
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}); |
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}); |
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