@metis-data/base-interceptor

@metis-data/base-interceptor

Utils for building an interceptor.

Configuration

Merge interceptor configuration from code (e.g. from developer), environment and builtin default.

import {
  Configuration,
  ConfigurationHandler,
} from '@metis-data/base-interceptor';

const config = { serviceName: 'test' };

const mergedConfig = ConfigurationHandler.getMergedConfig(config);

Span

Mark a Span

Mark a span as tracked by Metis. Only Spans with this tag would be exported to Metis' server (assuming MetisRemoteExporter is used).

import { markSpan } from '@metis-data/base-interceptor';

markSpan(span);

Get Query from Span

Extract a query from a span using the common db related attributes.

import { getQueryFromSpan } from '@metis-data/base-interceptor';

const query = getQueryFromSpan(span);

Attach Trace Id To Query

Adds the trace and span id to SQL query.

Example: SELECT * FROM table /traceparent=traceId-spanId**/

import { attachTraceIdToQuery } from '@metis-data/base-interceptor';

attachTraceIdToQuery(span);

Add Plan To Span

Add a given plan Object to a given span.

import { addPlanToSpan } from '@metis-data/base-interceptor';

addPlanToSpan(span, plan);