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@ -1,6 +1,7 @@ |
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import _ from 'lodash'; |
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import * as dateMath from 'app/core/utils/datemath'; |
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import { isVersionGtOrEq, SemVersion } from 'app/core/utils/version'; |
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import gfunc from './gfunc'; |
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/** @ngInject */ |
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export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv) { |
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@ -12,6 +13,8 @@ export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv |
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this.cacheTimeout = instanceSettings.cacheTimeout; |
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this.withCredentials = instanceSettings.withCredentials; |
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this.render_method = instanceSettings.render_method || 'POST'; |
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this.funcDefs = null; |
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this.funcDefsPromise = null; |
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this.getQueryOptionsInfo = function() { |
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return { |
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@ -200,6 +203,35 @@ export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv |
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let options = optionalOptions || {}; |
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let interpolatedQuery = templateSrv.replace(query); |
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// special handling for tag_values(<tag>[,<expression>]*), this is used for template variables
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let matches = interpolatedQuery.match(/^tag_values\(([^,]+)((, *[^,]+)*)\)$/); |
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if (matches) { |
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const expressions = []; |
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const exprRegex = /, *([^,]+)/g; |
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let match; |
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while ((match = exprRegex.exec(matches[2])) !== null) { |
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expressions.push(match[1]); |
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} |
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options.limit = 10000; |
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return this.getTagValuesAutoComplete(expressions, matches[1], undefined, options); |
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} |
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// special handling for tags(<expression>[,<expression>]*), this is used for template variables
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matches = interpolatedQuery.match(/^tags\(([^,]*)((, *[^,]+)*)\)$/); |
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if (matches) { |
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const expressions = []; |
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if (matches[1]) { |
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expressions.push(matches[1]); |
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const exprRegex = /, *([^,]+)/g; |
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let match; |
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while ((match = exprRegex.exec(matches[2])) !== null) { |
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expressions.push(match[1]); |
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} |
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} |
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options.limit = 10000; |
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return this.getTagsAutoComplete(expressions, undefined, options); |
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} |
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let httpOptions: any = { |
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method: 'GET', |
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url: '/metrics/find', |
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@ -210,7 +242,7 @@ export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv |
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requestId: options.requestId, |
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}; |
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if (options && options.range) { |
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if (options.range) { |
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httpOptions.params.from = this.translateTime(options.range.from, false); |
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httpOptions.params.until = this.translateTime(options.range.to, true); |
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} |
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@ -235,7 +267,7 @@ export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv |
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requestId: options.requestId, |
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}; |
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if (options && options.range) { |
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if (options.range) { |
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httpOptions.params.from = this.translateTime(options.range.from, false); |
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httpOptions.params.until = this.translateTime(options.range.to, true); |
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} |
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@ -255,12 +287,12 @@ export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv |
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let httpOptions: any = { |
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method: 'GET', |
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url: '/tags/' + tag, |
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url: '/tags/' + templateSrv.replace(tag), |
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// for cancellations
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requestId: options.requestId, |
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}; |
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if (options && options.range) { |
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if (options.range) { |
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httpOptions.params.from = this.translateTime(options.range.from, false); |
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httpOptions.params.until = this.translateTime(options.range.to, true); |
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} |
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@ -279,18 +311,29 @@ export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv |
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}); |
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}; |
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this.getTagsAutoComplete = (expression, tagPrefix) => { |
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this.getTagsAutoComplete = (expressions, tagPrefix, optionalOptions) => { |
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let options = optionalOptions || {}; |
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let httpOptions: any = { |
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method: 'GET', |
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url: '/tags/autoComplete/tags', |
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params: { |
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expr: expression, |
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expr: _.map(expressions, expression => templateSrv.replace(expression)), |
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}, |
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// for cancellations
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requestId: options.requestId, |
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}; |
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if (tagPrefix) { |
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httpOptions.params.tagPrefix = tagPrefix; |
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} |
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if (options.limit) { |
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httpOptions.params.limit = options.limit; |
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} |
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if (options.range) { |
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httpOptions.params.from = this.translateTime(options.range.from, false); |
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httpOptions.params.until = this.translateTime(options.range.to, true); |
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} |
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return this.doGraphiteRequest(httpOptions).then(results => { |
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if (results.data) { |
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@ -303,19 +346,30 @@ export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv |
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}); |
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}; |
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this.getTagValuesAutoComplete = (expression, tag, valuePrefix) => { |
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this.getTagValuesAutoComplete = (expressions, tag, valuePrefix, optionalOptions) => { |
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let options = optionalOptions || {}; |
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let httpOptions: any = { |
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method: 'GET', |
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url: '/tags/autoComplete/values', |
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params: { |
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expr: expression, |
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tag: tag, |
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expr: _.map(expressions, expression => templateSrv.replace(expression)), |
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tag: templateSrv.replace(tag), |
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}, |
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// for cancellations
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requestId: options.requestId, |
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}; |
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if (valuePrefix) { |
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httpOptions.params.valuePrefix = valuePrefix; |
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} |
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if (options.limit) { |
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httpOptions.params.limit = options.limit; |
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} |
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if (options.range) { |
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httpOptions.params.from = this.translateTime(options.range.from, false); |
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httpOptions.params.until = this.translateTime(options.range.to, true); |
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} |
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return this.doGraphiteRequest(httpOptions).then(results => { |
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if (results.data) { |
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@ -328,10 +382,13 @@ export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv |
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}); |
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}; |
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this.getVersion = function() { |
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this.getVersion = function(optionalOptions) { |
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let options = optionalOptions || {}; |
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let httpOptions = { |
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method: 'GET', |
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url: '/version/_', // Prevent last / trimming
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url: '/version', |
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requestId: options.requestId, |
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}; |
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return this.doGraphiteRequest(httpOptions) |
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@ -347,6 +404,52 @@ export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv |
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}); |
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}; |
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this.createFuncInstance = function(funcDef, options?) { |
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return gfunc.createFuncInstance(funcDef, options, this.funcDefs); |
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}; |
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this.getFuncDef = function(name) { |
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return gfunc.getFuncDef(name, this.funcDefs); |
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}; |
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this.waitForFuncDefsLoaded = function() { |
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return this.getFuncDefs(); |
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}; |
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this.getFuncDefs = function() { |
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if (this.funcDefsPromise !== null) { |
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return this.funcDefsPromise; |
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} |
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if (!supportsFunctionIndex(this.graphiteVersion)) { |
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this.funcDefs = gfunc.getFuncDefs(this.graphiteVersion); |
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this.funcDefsPromise = Promise.resolve(this.funcDefs); |
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return this.funcDefsPromise; |
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} |
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let httpOptions = { |
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method: 'GET', |
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url: '/functions', |
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}; |
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this.funcDefsPromise = this.doGraphiteRequest(httpOptions) |
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.then(results => { |
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if (results.status !== 200 || typeof results.data !== 'object') { |
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this.funcDefs = gfunc.getFuncDefs(this.graphiteVersion); |
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} else { |
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this.funcDefs = gfunc.parseFuncDefs(results.data); |
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} |
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return this.funcDefs; |
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}) |
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.catch(err => { |
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console.log('Fetching graphite functions error', err); |
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this.funcDefs = gfunc.getFuncDefs(this.graphiteVersion); |
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return this.funcDefs; |
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}); |
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return this.funcDefsPromise; |
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}; |
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this.testDatasource = function() { |
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return this.metricFindQuery('*').then(function() { |
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return { status: 'success', message: 'Data source is working' }; |
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@ -440,3 +543,7 @@ export function GraphiteDatasource(instanceSettings, $q, backendSrv, templateSrv |
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function supportsTags(version: string): boolean { |
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return isVersionGtOrEq(version, '1.1'); |
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} |
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function supportsFunctionIndex(version: string): boolean { |
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return isVersionGtOrEq(version, '1.1'); |
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} |
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Torkel Ödegaard
8 years ago