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Scope GroupBy labels to metric (#11914)

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Signed-off-by: Shan Aminzadeh <shan.aminzadeh@chronosphere.io>
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Shan Aminzadeh 2023-02-17 04:23:16 -05:00 committed by GitHub
parent 2d588725c1
commit 3f6f5d3357
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2 changed files with 37 additions and 5 deletions
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16
web/ui/module/codemirror-promql/src/complete/hybrid.test.ts
View file

@ -231,7 +231,19 @@ describe('analyzeCompletion test', () => {
title: 'starting to autocomplete labelName in aggregate modifier',
expr: 'sum by ()',
pos: 8, // cursor is between the bracket
expectedContext: [{ kind: ContextKind.LabelName }],
expectedContext: [{ kind: ContextKind.LabelName, metricName: '' }],
},
{
title: 'starting to autocomplete labelName in aggregate modifier with metric name',
expr: 'sum(up) by ()',
pos: 12, // cursor is between ()
expectedContext: [{ kind: ContextKind.LabelName, metricName: 'up' }],
},
{
title: 'starting to autocomplete labelName in aggregate modifier with metric name in front',
expr: 'sum by ()(up)',
pos: 8, // cursor is between ()
expectedContext: [{ kind: ContextKind.LabelName, metricName: 'up' }],
},
{
title: 'continue to autocomplete labelName in aggregate modifier',
@ -243,7 +255,7 @@ describe('analyzeCompletion test', () => {
title: 'autocomplete labelName in a list',
expr: 'sum by (myLabel1,)',
pos: 17, // cursor is between the bracket after the string myLab
expectedContext: [{ kind: ContextKind.LabelName }],
expectedContext: [{ kind: ContextKind.LabelName, metricName: '' }],
},
{
title: 'autocomplete labelName in a list 2',

26
web/ui/module/codemirror-promql/src/complete/hybrid.ts
View file

@ -110,6 +110,26 @@ export interface Context {
matchers?: Matcher[];
}
function getMetricNameInGroupBy(tree: SyntaxNode, state: EditorState): string {
// There should be an AggregateExpr as parent of the GroupingLabels.
// Then we should find the VectorSelector child to be able to find the metric name.
const currentNode: SyntaxNode | null = walkBackward(tree, AggregateExpr);
if (!currentNode) {
return '';
}
let metricName = '';
currentNode.cursor().iterate((node) => {
// Continue until we find the VectorSelector, then look up the metric name.
if (node.type.id === VectorSelector) {
metricName = getMetricNameInVectorSelector(node.node, state);
if (metricName) {
return false;
}
}
});
return metricName;
}
function getMetricNameInVectorSelector(tree: SyntaxNode, state: EditorState): string {
// Find if there is a defined metric name. Should be used to autocomplete a labelValue or a labelName
// First find the parent "VectorSelector" to be able to find then the subChild "Identifier" if it exists.
@ -344,9 +364,9 @@ export function analyzeCompletion(state: EditorState, node: SyntaxNode): Context
break;
case GroupingLabels:
// In this case we are in the given situation:
// sum by ()
// So we have to autocomplete any labelName
result.push({ kind: ContextKind.LabelName });
// sum by () or sum (metric_name) by ()
// so we have or to autocomplete any kind of labelName or to autocomplete only the labelName associated to the metric
result.push({ kind: ContextKind.LabelName, metricName: getMetricNameInGroupBy(node, state) });
break;
case LabelMatchers:
// In that case we are in the given situation: