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[APM] multi signal inventory summary metrics (elastic#182960)
closes elastic#181719 Payload example: ``` { "services": { "services": [ { "asset": { "signalTypes": { "asset.traces": true, "asset.logs": true }, "identifyingMetadata": [ "service.name" ] }, "service": { "name": "synth-node-0", "environment": "Synthtrace: traces_logs_assets" }, "metrics": { "latency": 1000000, "throughput": 0.001388888904963992, "transactionErrorRate": 0.5, "logRatePerMinute": 0.002777777809927984, "logErrorRate": null } }, { "asset": { "signalTypes": { "asset.traces": true }, "identifyingMetadata": [ "service.name" ] }, "service": { "name": "synth-node-1", "environment": "Synthtrace: traces_logs_assets" }, "metrics": { "latency": 1000000, "throughput": 0.001388888904963992, "transactionErrorRate": 0.5 } }, { "asset": { "signalTypes": { "asset.traces": true }, "identifyingMetadata": [ "service.name" ] }, "service": { "name": "synth-node-2", "environment": "Synthtrace: traces_logs_assets" }, "metrics": { "latency": 1000000, "throughput": 0.001388888904963992, "transactionErrorRate": 0.5 } }, { "asset": { "signalTypes": { "asset.logs": true }, "identifyingMetadata": [ "service.name" ] }, "service": { "name": "synth-java" }, "metrics": { "logRatePerMinute": 0.002083333357445988, "logErrorRate": 0.3333333333333333 } } ] } } ``` --------- Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com> Co-authored-by: Kate Patticha <aikaterini.patticha@elastic.co>
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120
...bservability_solution/apm/server/routes/assets/services/get_services_transaction_stats.ts
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/* | ||
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
* or more contributor license agreements. Licensed under the Elastic License | ||
* 2.0; you may not use this file except in compliance with the Elastic License | ||
* 2.0. | ||
*/ | ||
|
||
import { kqlQuery, rangeQuery } from '@kbn/observability-plugin/server'; | ||
import { ApmServiceTransactionDocumentType } from '../../../../common/document_type'; | ||
import { SERVICE_NAME, TRANSACTION_TYPE } from '../../../../common/es_fields/apm'; | ||
import { RollupInterval } from '../../../../common/rollup'; | ||
import { isDefaultTransactionType } from '../../../../common/transaction_types'; | ||
import { maybe } from '../../../../common/utils/maybe'; | ||
import { calculateThroughputWithRange } from '../../../lib/helpers/calculate_throughput'; | ||
import { APMEventClient } from '../../../lib/helpers/create_es_client/create_apm_event_client'; | ||
import { getDurationFieldForTransactions } from '../../../lib/helpers/transactions'; | ||
import { | ||
calculateFailedTransactionRate, | ||
getOutcomeAggregation, | ||
} from '../../../lib/helpers/transaction_error_rate'; | ||
import { MAX_NUMBER_OF_SERVICES } from './get_service_assets'; | ||
|
||
export interface TraceMetrics { | ||
latency: number | null; | ||
throughput: number | null; | ||
transactionErrorRate: number | null; | ||
} | ||
|
||
interface AssetServicesMetricsMap { | ||
[serviceName: string]: TraceMetrics; | ||
} | ||
|
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export async function getServicesTransactionStats({ | ||
apmEventClient, | ||
start, | ||
end, | ||
kuery, | ||
serviceNames, | ||
documentType, | ||
rollupInterval, | ||
useDurationSummary, | ||
}: { | ||
apmEventClient: APMEventClient; | ||
start: number; | ||
end: number; | ||
kuery: string; | ||
serviceNames: string[]; | ||
documentType: ApmServiceTransactionDocumentType; | ||
rollupInterval: RollupInterval; | ||
useDurationSummary: boolean; | ||
}): Promise<AssetServicesMetricsMap> { | ||
const response = await apmEventClient.search('get_services_transaction_stats', { | ||
apm: { | ||
sources: [{ documentType, rollupInterval }], | ||
}, | ||
body: { | ||
track_total_hits: false, | ||
size: 0, | ||
query: { | ||
bool: { | ||
filter: [ | ||
...rangeQuery(start, end), | ||
...kqlQuery(kuery), | ||
{ terms: { [SERVICE_NAME]: serviceNames } }, | ||
], | ||
}, | ||
}, | ||
aggs: { | ||
services: { | ||
terms: { | ||
field: SERVICE_NAME, | ||
size: MAX_NUMBER_OF_SERVICES, | ||
}, | ||
aggs: { | ||
transactionType: { | ||
terms: { | ||
field: TRANSACTION_TYPE, | ||
}, | ||
aggs: { | ||
avg_duration: { | ||
avg: { | ||
field: getDurationFieldForTransactions(documentType, useDurationSummary), | ||
}, | ||
}, | ||
...getOutcomeAggregation(documentType), | ||
}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
}); | ||
|
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return ( | ||
response.aggregations?.services.buckets.reduce<AssetServicesMetricsMap>((acc, bucket) => { | ||
const serviceName = bucket.key as string; | ||
const topTransactionTypeBucket = maybe( | ||
bucket.transactionType.buckets.find(({ key }) => isDefaultTransactionType(key as string)) ?? | ||
bucket.transactionType.buckets[0] | ||
); | ||
|
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return { | ||
...acc, | ||
[serviceName]: { | ||
latency: topTransactionTypeBucket?.avg_duration.value || null, | ||
throughput: topTransactionTypeBucket | ||
? calculateThroughputWithRange({ | ||
start, | ||
end, | ||
value: topTransactionTypeBucket.doc_count, | ||
}) | ||
: null, | ||
transactionErrorRate: topTransactionTypeBucket | ||
? calculateFailedTransactionRate(topTransactionTypeBucket) | ||
: null, | ||
}, | ||
}; | ||
}, {}) || {} | ||
); | ||
} |
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