Files

364 lines
11 KiB
TypeScript

import _ from 'lodash';
import { QueryCtrl } from 'app/plugins/sdk';
import appEvents from 'app/core/app_events';
export interface QueryMeta {
rawQuery: string;
rawQueryString: string;
metricLabels: { [key: string]: string[] };
resourceLabels: { [key: string]: string[] };
}
export class StackdriverQueryCtrl extends QueryCtrl {
static templateUrl = 'partials/query.editor.html';
target: {
project: {
id: string;
name: string;
};
metricType: string;
refId: string;
aggregation: {
crossSeriesReducer: string;
alignmentPeriod: string;
perSeriesAligner: string;
groupBys: string[];
};
filters: string[];
};
defaultDropdownValue = 'select metric';
defaultFilterValue = 'select value';
defaultRemoveGroupByValue = '-- remove group by --';
defaultRemoveFilterValue = '-- remove filter --';
initPromise: Promise<any>;
defaults = {
project: {
id: 'default',
name: 'loading project...',
},
metricType: this.defaultDropdownValue,
aggregation: {
crossSeriesReducer: 'REDUCE_MEAN',
alignmentPeriod: '',
perSeriesAligner: '',
groupBys: [],
},
filters: [],
};
groupBySegments: any[];
filterSegments: any[];
removeSegment: any;
aggOptions = [
{ text: 'none', value: 'REDUCE_NONE' },
{ text: 'mean', value: 'REDUCE_MEAN' },
{ text: 'min', value: 'REDUCE_MIN' },
{ text: 'max', value: 'REDUCE_MAX' },
{ text: 'sum', value: 'REDUCE_SUM' },
{ text: 'std. dev.', value: 'REDUCE_STDDEV' },
{ text: 'count', value: 'REDUCE_COUNT' },
{ text: '99th percentile', value: 'REDUCE_PERCENTILE_99' },
{ text: '95th percentile', value: 'REDUCE_PERCENTILE_95' },
{ text: '50th percentile', value: 'REDUCE_PERCENTILE_50' },
{ text: '5th percentile', value: 'REDUCE_PERCENTILE_05' },
];
showHelp: boolean;
showLastQuery: boolean;
lastQueryMeta: QueryMeta;
lastQueryError?: string;
metricLabels: { [key: string]: string[] };
resourceLabels: { [key: string]: string[] };
/** @ngInject */
constructor($scope, $injector, private uiSegmentSrv, private timeSrv) {
super($scope, $injector);
_.defaultsDeep(this.target, this.defaults);
this.panelCtrl.events.on('data-received', this.onDataReceived.bind(this), $scope);
this.panelCtrl.events.on('data-error', this.onDataError.bind(this), $scope);
this.initPromise = new Promise(async resolve => {
this.getCurrentProject()
.then(this.getMetricTypes.bind(this))
.then(this.getLabels.bind(this))
.then(resolve)
.catch(err => {
console.log(err);
});
});
this.initSegments();
}
initSegments() {
this.groupBySegments = this.target.aggregation.groupBys.map(groupBy => {
return this.uiSegmentSrv.getSegmentForValue(groupBy);
});
this.removeSegment = this.uiSegmentSrv.newSegment({ fake: true, value: '-- remove group by --' });
this.ensurePlusButton(this.groupBySegments);
this.filterSegments = [];
this.target.filters.forEach((f, index) => {
switch (index % 4) {
case 0:
this.filterSegments.push(this.uiSegmentSrv.newKey(f));
break;
case 1:
this.filterSegments.push(this.uiSegmentSrv.newOperator(f));
break;
case 2:
this.filterSegments.push(this.uiSegmentSrv.newKeyValue(f));
break;
case 3:
this.filterSegments.push(this.uiSegmentSrv.newCondition(f));
break;
}
});
this.ensurePlusButton(this.filterSegments);
}
async getCurrentProject() {
try {
const projects = await this.datasource.getProjects();
if (projects && projects.length > 0) {
this.target.project = projects[0];
} else {
throw new Error('No projects found');
}
} catch (error) {
let message = 'Projects cannot be fetched: ';
message += error.statusText ? error.statusText + ': ' : '';
if (error && error.data && error.data.error && error.data.error.message) {
if (error.data.error.code === 403) {
message += `
A list of projects could not be fetched from the Google Cloud Resource Manager API.
You might need to enable it first:
https://console.developers.google.com/apis/library/cloudresourcemanager.googleapis.com`;
} else {
message += error.data.error.code + '. ' + error.data.error.message;
}
} else {
message += 'Cannot connect to Stackdriver API';
}
appEvents.emit('ds-request-error', message);
}
}
async getMetricTypes() {
//projects/raintank-production/metricDescriptors/agent.googleapis.com/agent/api_request_count
if (this.target.project.id !== 'default') {
const metricTypes = await this.datasource.getMetricTypes(this.target.project.id);
if (this.target.metricType === this.defaultDropdownValue && metricTypes.length > 0) {
this.$scope.$apply(() => (this.target.metricType = metricTypes[0].id));
}
return metricTypes.map(mt => ({ value: mt.id, text: mt.id }));
} else {
return [];
}
}
async getLabels() {
const data = await this.datasource.getTimeSeries({
targets: [
{
refId: this.target.refId,
datasourceId: this.datasource.id,
metricType: this.target.metricType,
aggregation: {
crossSeriesReducer: 'REDUCE_NONE',
},
view: 'HEADERS',
},
],
range: this.timeSrv.timeRange(),
});
this.metricLabels = data.results[this.target.refId].meta.metricLabels;
this.resourceLabels = data.results[this.target.refId].meta.resourceLabels;
}
async onMetricTypeChange() {
this.refresh();
this.getLabels();
}
async getGroupBys(segment, index, removeText?: string, removeUsed = true) {
if (!this.metricLabels || Object.keys(this.metricLabels).length === 0) {
await this.initPromise;
}
const metricLabels = Object.keys(this.metricLabels)
.filter(ml => {
if (!removeUsed) {
return true;
}
return this.target.aggregation.groupBys.indexOf('metric.label.' + ml) === -1;
})
.map(l => {
return this.uiSegmentSrv.newSegment({
value: `metric.label.${l}`,
expandable: false,
});
});
const resourceLabels = Object.keys(this.resourceLabels)
.filter(ml => {
if (!removeUsed) {
return true;
}
return this.target.aggregation.groupBys.indexOf('resource.label.' + ml) === -1;
})
.map(l => {
return this.uiSegmentSrv.newSegment({
value: `resource.label.${l}`,
expandable: false,
});
});
const noValueOrPlusButton = !segment || segment.type === 'plus-button';
if (noValueOrPlusButton && metricLabels.length === 0 && resourceLabels.length === 0) {
return Promise.resolve([]);
}
this.removeSegment.value = removeText || this.defaultRemoveGroupByValue;
return Promise.resolve([...metricLabels, ...resourceLabels, this.removeSegment]);
}
groupByChanged(segment, index) {
if (segment.value === this.removeSegment.value) {
this.groupBySegments.splice(index, 1);
} else {
segment.type = 'value';
}
const reducer = (memo, seg) => {
if (!seg.fake) {
memo.push(seg.value);
}
return memo;
};
this.target.aggregation.groupBys = this.groupBySegments.reduce(reducer, []);
this.ensurePlusButton(this.groupBySegments);
this.refresh();
}
async getFilters(segment, index) {
if (segment.type === 'condition') {
return [this.uiSegmentSrv.newSegment('AND')];
}
if (segment.type === 'operator') {
return this.uiSegmentSrv.newOperators(['=', '!=', '=~', '!=~']);
}
if (segment.type === 'key' || segment.type === 'plus-button') {
return this.getGroupBys(null, null, this.defaultRemoveFilterValue, false);
}
if (segment.type === 'value') {
const filterKey = this.filterSegments[index - 2].value;
const shortKey = filterKey.substring(filterKey.indexOf('.label.') + 7);
if (filterKey.startsWith('metric.label.') && this.metricLabels.hasOwnProperty(shortKey)) {
return this.getValuesForFilterKey(this.metricLabels[shortKey]);
}
if (filterKey.startsWith('resource.label.') && this.resourceLabels.hasOwnProperty(shortKey)) {
return this.getValuesForFilterKey(this.resourceLabels[shortKey]);
}
}
return [];
}
getValuesForFilterKey(labels: any[]) {
const filterValues = labels.map(l => {
return this.uiSegmentSrv.newSegment({
value: `${l}`,
expandable: false,
});
});
return filterValues;
}
filterSegmentUpdated(segment, index) {
if (segment.type === 'plus-button') {
this.addNewFilterSegments(segment, index);
} else if (segment.type === 'key' && segment.value === this.defaultRemoveFilterValue) {
this.removeFilterSegment(index);
this.ensurePlusButton(this.filterSegments);
} else if (segment.type === 'value' && segment.value !== this.defaultFilterValue) {
this.ensurePlusButton(this.filterSegments);
}
this.target.filters = this.filterSegments.filter(s => s.type !== 'plus-button').map(seg => seg.value);
this.refresh();
}
addNewFilterSegments(segment, index) {
if (index > 2) {
this.filterSegments.splice(index, 0, this.uiSegmentSrv.newCondition('AND'));
}
segment.type = 'key';
this.filterSegments.push(this.uiSegmentSrv.newOperator('='));
this.filterSegments.push(this.uiSegmentSrv.newFake(this.defaultFilterValue, 'value', 'query-segment-value'));
}
removeFilterSegment(index) {
this.filterSegments.splice(index, 3);
// remove trailing condition
if (index > 2 && this.filterSegments[index - 1].type === 'condition') {
this.filterSegments.splice(index - 1, 1);
}
// remove condition if it is first segment
if (index === 0 && this.filterSegments[0].type === 'condition') {
this.filterSegments.splice(0, 1);
}
}
ensurePlusButton(segments) {
const count = segments.length;
const lastSegment = segments[Math.max(count - 1, 0)];
if (!lastSegment || lastSegment.type !== 'plus-button') {
segments.push(this.uiSegmentSrv.newPlusButton());
}
}
onDataReceived(dataList) {
this.lastQueryError = null;
this.lastQueryMeta = null;
const anySeriesFromQuery: any = _.find(dataList, { refId: this.target.refId });
if (anySeriesFromQuery) {
this.lastQueryMeta = anySeriesFromQuery.meta;
this.lastQueryMeta.rawQueryString = decodeURIComponent(this.lastQueryMeta.rawQuery);
}
}
onDataError(err) {
if (err.data && err.data.results) {
const queryRes = err.data.results[this.target.refId];
if (queryRes && queryRes.error) {
this.lastQueryMeta = queryRes.meta;
this.lastQueryMeta.rawQueryString = decodeURIComponent(this.lastQueryMeta.rawQuery);
let jsonBody;
try {
jsonBody = JSON.parse(queryRes.error);
} catch {
this.lastQueryError = queryRes.error;
}
this.lastQueryError = jsonBody.error.message;
}
}
}
}