+
diff --git a/public/app/plugins/datasource/prometheus/completer.ts b/public/app/plugins/datasource/prometheus/completer.ts
new file mode 100644
index 00000000000..b7bf60abe02
--- /dev/null
+++ b/public/app/plugins/datasource/prometheus/completer.ts
@@ -0,0 +1,42 @@
+///
+
+import {PrometheusDatasource} from "./datasource";
+
+export class PromCompleter {
+ identifierRegexps = [/[\[\]a-zA-Z_0-9=]/];
+
+ constructor(private datasource: PrometheusDatasource) {
+ }
+
+ getCompletions(editor, session, pos, prefix, callback) {
+ if (prefix === '[') {
+ var vectors = [];
+ for (let unit of ['s', 'm', 'h']) {
+ for (let value of [1,5,10,30]) {
+ vectors.push({caption: value+unit, value: '['+value+unit, meta: 'range vector'});
+ }
+ }
+ callback(null, vectors);
+ return;
+ }
+
+ var query = prefix;
+ var line = editor.session.getLine(pos.row);
+
+ return this.datasource.performSuggestQuery(query).then(metricNames => {
+ callback(null, metricNames.map(name => {
+ let value = name;
+ if (prefix === '(') {
+ value = '(' + name;
+ }
+
+ return {
+ caption: name,
+ value: value,
+ meta: 'metric',
+ };
+ }));
+ });
+ }
+
+}
diff --git a/public/app/plugins/datasource/prometheus/datasource.ts b/public/app/plugins/datasource/prometheus/datasource.ts
index 9e416de44c7..fbe726928dd 100644
--- a/public/app/plugins/datasource/prometheus/datasource.ts
+++ b/public/app/plugins/datasource/prometheus/datasource.ts
@@ -11,18 +11,37 @@ import TableModel from 'app/core/table_model';
var durationSplitRegexp = /(\d+)(ms|s|m|h|d|w|M|y)/;
-/** @ngInject */
-export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateSrv, timeSrv) {
- this.type = 'prometheus';
- this.editorSrc = 'app/features/prometheus/partials/query.editor.html';
- this.name = instanceSettings.name;
- this.supportMetrics = true;
- this.url = instanceSettings.url;
- this.directUrl = instanceSettings.directUrl;
- this.basicAuth = instanceSettings.basicAuth;
- this.withCredentials = instanceSettings.withCredentials;
+function prometheusSpecialRegexEscape(value) {
+ return value.replace(/[\\^$*+?.()|[\]{}]/g, '\\\\$&');
+}
- this._request = function(method, url, requestId) {
+export class PrometheusDatasource {
+ type: string;
+ editorSrc: string;
+ name: string;
+ supportMetrics: boolean;
+ url: string;
+ directUrl: string;
+ basicAuth: any;
+ withCredentials: any;
+
+ /** @ngInject */
+ constructor(instanceSettings,
+ private $q,
+ private backendSrv,
+ private templateSrv,
+ private timeSrv) {
+ this.type = 'prometheus';
+ this.editorSrc = 'app/features/prometheus/partials/query.editor.html';
+ this.name = instanceSettings.name;
+ this.supportMetrics = true;
+ this.url = instanceSettings.url;
+ this.directUrl = instanceSettings.directUrl;
+ this.basicAuth = instanceSettings.basicAuth;
+ this.withCredentials = instanceSettings.withCredentials;
+ }
+
+ _request(method, url, requestId?) {
var options: any = {
url: this.url + url,
method: method,
@@ -32,20 +51,17 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
if (this.basicAuth || this.withCredentials) {
options.withCredentials = true;
}
+
if (this.basicAuth) {
options.headers = {
"Authorization": this.basicAuth
};
}
- return backendSrv.datasourceRequest(options);
- };
-
- function prometheusSpecialRegexEscape(value) {
- return value.replace(/[\\^$*+?.()|[\]{}]/g, '\\\\$&');
+ return this.backendSrv.datasourceRequest(options);
}
- this.interpolateQueryExpr = function(value, variable, defaultFormatFn) {
+ interpolateQueryExpr(value, variable, defaultFormatFn) {
// if no multi or include all do not regexEscape
if (!variable.multi && !variable.includeAll) {
return value;
@@ -57,14 +73,13 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
var escapedValues = _.map(value, prometheusSpecialRegexEscape);
return escapedValues.join('|');
- };
+ }
- this.targetContainsTemplate = function(target) {
- return templateSrv.variableExists(target.expr);
- };
+ targetContainsTemplate(target) {
+ return this.templateSrv.variableExists(target.expr);
+ }
- // Called once per panel (graph)
- this.query = function(options) {
+ query(options) {
var self = this;
var start = this.getPrometheusTime(options.range.from, false);
var end = this.getPrometheusTime(options.range.to, true);
@@ -82,10 +97,10 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
activeTargets.push(target);
var query: any = {};
- query.expr = templateSrv.replace(target.expr, options.scopedVars, self.interpolateQueryExpr);
+ query.expr = this.templateSrv.replace(target.expr, options.scopedVars, self.interpolateQueryExpr);
query.requestId = options.panelId + target.refId;
- var interval = templateSrv.replace(target.interval, options.scopedVars) || options.interval;
+ var interval = this.templateSrv.replace(target.interval, options.scopedVars) || options.interval;
var intervalFactor = target.intervalFactor || 1;
target.step = query.step = this.calculateInterval(interval, intervalFactor);
var range = Math.ceil(end - start);
@@ -95,14 +110,14 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
// No valid targets, return the empty result to save a round trip.
if (_.isEmpty(queries)) {
- return $q.when({ data: [] });
+ return this.$q.when({ data: [] });
}
var allQueryPromise = _.map(queries, query => {
return this.performTimeSeriesQuery(query, start, end);
});
- return $q.all(allQueryPromise).then(responseList => {
+ return this.$q.all(allQueryPromise).then(responseList => {
var result = [];
var index = 0;
@@ -122,27 +137,27 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
return { data: result };
});
- };
+ }
- this.adjustStep = function(step, autoStep, range) {
+ adjustStep(step, autoStep, range) {
// Prometheus drop query if range/step > 11000
// calibrate step if it is too big
if (step !== 0 && range / step > 11000) {
step = Math.ceil(range / 11000);
}
return Math.max(step, autoStep);
- };
+ }
- this.performTimeSeriesQuery = function(query, start, end) {
+ performTimeSeriesQuery(query, start, end) {
if (start > end) {
throw { message: 'Invalid time range' };
}
var url = '/api/v1/query_range?query=' + encodeURIComponent(query.expr) + '&start=' + start + '&end=' + end + '&step=' + query.step;
return this._request('GET', url, query.requestId);
- };
+ }
- this.performSuggestQuery = function(query) {
+ performSuggestQuery(query) {
var url = '/api/v1/label/__name__/values';
return this._request('GET', url).then(function(result) {
@@ -150,41 +165,30 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
return metricName.indexOf(query) !== 1;
});
});
- };
+ }
- this.metricFindQuery = function(query) {
- if (!query) { return $q.when([]); }
+ metricFindQuery(query) {
+ if (!query) { return this.$q.when([]); }
- var interpolated;
- try {
- interpolated = templateSrv.replace(query, {}, this.interpolateQueryExpr);
- } catch (err) {
- return $q.reject(err);
- }
-
- var metricFindQuery = new PrometheusMetricFindQuery(this, interpolated, timeSrv);
+ let interpolated = this.templateSrv.replace(query, {}, this.interpolateQueryExpr);
+ var metricFindQuery = new PrometheusMetricFindQuery(this, interpolated, this.timeSrv);
return metricFindQuery.process();
- };
+ }
- this.annotationQuery = function(options) {
+ annotationQuery(options) {
var annotation = options.annotation;
var expr = annotation.expr || '';
var tagKeys = annotation.tagKeys || '';
var titleFormat = annotation.titleFormat || '';
var textFormat = annotation.textFormat || '';
- if (!expr) { return $q.when([]); }
+ if (!expr) { return this.$q.when([]); }
- var interpolated;
- try {
- interpolated = templateSrv.replace(expr, {}, this.interpolateQueryExpr);
- } catch (err) {
- return $q.reject(err);
- }
+ var interpolated = this.templateSrv.replace(expr, {}, this.interpolateQueryExpr);
var step = '60s';
if (annotation.step) {
- step = templateSrv.replace(annotation.step);
+ step = this.templateSrv.replace(annotation.step);
}
var start = this.getPrometheusTime(options.range.from, false);
@@ -222,19 +226,19 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
return eventList;
});
- };
+ }
- this.testDatasource = function() {
+ testDatasource() {
return this.metricFindQuery('metrics(.*)').then(function() {
return { status: 'success', message: 'Data source is working', title: 'Success' };
});
- };
+ }
- this.calculateInterval = function(interval, intervalFactor) {
+ calculateInterval(interval, intervalFactor) {
return Math.ceil(this.intervalSeconds(interval) * intervalFactor);
- };
+ }
- this.intervalSeconds = function(interval) {
+ intervalSeconds(interval) {
var m = interval.match(durationSplitRegexp);
var dur = moment.duration(parseInt(m[1]), m[2]);
var sec = dur.asSeconds();
@@ -243,9 +247,9 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
}
return sec;
- };
+ }
- this.transformMetricData = function(md, options, start, end) {
+ transformMetricData(md, options, start, end) {
var dps = [],
metricLabel = null;
@@ -273,9 +277,9 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
}
return { target: metricLabel, datapoints: dps };
- };
+ }
- this.transformMetricDataToTable = function(md) {
+ transformMetricDataToTable(md) {
var table = new TableModel();
var i, j;
var metricLabels = {};
@@ -325,17 +329,17 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
});
return table;
- };
+ }
- this.createMetricLabel = function(labelData, options) {
+ createMetricLabel(labelData, options) {
if (_.isUndefined(options) || _.isEmpty(options.legendFormat)) {
return this.getOriginalMetricName(labelData);
}
- return this.renderTemplate(templateSrv.replace(options.legendFormat), labelData) || '{}';
- };
+ return this.renderTemplate(this.templateSrv.replace(options.legendFormat), labelData) || '{}';
+ }
- this.renderTemplate = function(aliasPattern, aliasData) {
+ renderTemplate(aliasPattern, aliasData) {
var aliasRegex = /\{\{\s*(.+?)\s*\}\}/g;
return aliasPattern.replace(aliasRegex, function(match, g1) {
if (aliasData[g1]) {
@@ -343,21 +347,21 @@ export function PrometheusDatasource(instanceSettings, $q, backendSrv, templateS
}
return g1;
});
- };
+ }
- this.getOriginalMetricName = function(labelData) {
+ getOriginalMetricName(labelData) {
var metricName = labelData.__name__ || '';
delete labelData.__name__;
var labelPart = _.map(_.toPairs(labelData), function(label) {
return label[0] + '="' + label[1] + '"';
}).join(',');
return metricName + '{' + labelPart + '}';
- };
+ }
- this.getPrometheusTime = function(date, roundUp) {
+ getPrometheusTime(date, roundUp) {
if (_.isString(date)) {
date = dateMath.parse(date, roundUp);
}
return Math.ceil(date.valueOf() / 1000);
- };
+ }
}
diff --git a/public/app/plugins/datasource/prometheus/partials/query.editor.html b/public/app/plugins/datasource/prometheus/partials/query.editor.html
index 35c6af1280b..5140c9e7bbd 100644
--- a/public/app/plugins/datasource/prometheus/partials/query.editor.html
+++ b/public/app/plugins/datasource/prometheus/partials/query.editor.html
@@ -1,7 +1,9 @@
@@ -38,17 +40,6 @@
-