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[Lens] Stop using scripted metric to collect telemetry (#78687)

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Wylie Conlon 2020-09-30 13:07:09 -04:00 • committed by GitHub
parent 3e7fb9352d
commit 189953299b
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1 changed files with 24 additions and 35 deletions
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59
x-pack/plugins/lens/server/usage/visualization_counts.ts
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@ -11,37 +11,6 @@ export async function getVisualizationCounts(
callCluster: LegacyAPICaller,
kibanaIndex: string
): Promise<LensVisualizationUsage> {
const scriptedMetric = {
scripted_metric: {
// Each cluster collects its own type data in a key-value Map that looks like:
// { lnsDatatable: 5, area_stacked: 3 }
init_script: 'state.types = [:]',
// The map script relies on having flattened keyword mapping for the Lens saved object,
// without this kind of mapping we would not be able to access `lens.state` in painless
map_script: `
String visType = doc['lens.visualizationType'].value;
String niceType = visType == 'lnsXY' ? doc['lens.state.visualization.preferredSeriesType'].value : visType;
state.types.put(niceType, state.types.containsKey(niceType) ? state.types.get(niceType) + 1 : 1);
`,
// Combine script is executed per cluster, but we already have a key-value pair per cluster.
// Despite docs that say this is optional, this script can't be blank.
combine_script: 'return state',
// Reduce script is executed across all clusters, so we need to add up all the total from each cluster
// This also needs to account for having no data
reduce_script: `
Map result = [:];
for (Map m : states.toArray()) {
if (m !== null) {
for (String k : m.keySet()) {
result.put(k, result.containsKey(k) ? result.get(k) + m.get(k) : m.get(k));
}
}
}
return result;
`,
},
};
const results = await callCluster('search', {
index: kibanaIndex,
rest_total_hits_as_int: true,
@ -61,7 +30,18 @@ export async function getVisualizationCounts(
},
},
aggs: {
byType: scriptedMetric,
byType: {
terms: {
// The script relies on having flattened keyword mapping for the Lens saved object,
// without this kind of mapping we would not be able to access `lens.state` in painless
script: `
String visType = doc['lens.visualizationType'].value;
String niceType = visType == 'lnsXY' ? doc['lens.state.visualization.preferredSeriesType'].value : visType;
return niceType;
`,
size: 100,
},
},
},
},
},
@ -71,10 +51,19 @@ export async function getVisualizationCounts(
const buckets = results.aggregations.groups.buckets;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function bucketsToObject(arg: any) {
const obj: Record<string, number> = {};
arg.buckets.forEach((bucket: { key: string; doc_count: number }) => {
obj[bucket.key] = bucket.doc_count + (obj[bucket.key] ?? 0);
});
return obj;
}
return {
saved_overall: buckets.overall.byType.value.types,
saved_30_days: buckets.last30.byType.value.types,
saved_90_days: buckets.last90.byType.value.types,
saved_overall: bucketsToObject(buckets.overall.byType),
saved_30_days: bucketsToObject(buckets.last30.byType),
saved_90_days: bucketsToObject(buckets.last90.byType),
saved_overall_total: buckets.overall.doc_count,
saved_30_days_total: buckets.last30.doc_count,
saved_90_days_total: buckets.last90.doc_count,