@opentelemetry/core
Advanced tools
OpenTelemetry Core provides default and no-op implementations of the OpenTelemetry types for trace and metrics
The @opentelemetry/core package is part of the OpenTelemetry project, which provides a set of APIs, libraries, agents, and instrumentation to provide observability for applications. Specifically, the core package includes fundamental building blocks for creating and managing telemetry data (metrics, traces, logs) and is designed to be used by other OpenTelemetry packages to create a complete observability framework.
Context Management
This feature allows for the propagation of context information across asynchronous operations in your application. The context is used to store and access current execution-specific data, such as active span in tracing.
const { context, ROOT_CONTEXT } = require('@opentelemetry/core');
const ctx = context.active();
const newContext = context.with(ROOT_CONTEXT, () => {});Propagation
Propagation is used to transmit context (e.g., traces and correlations) across process boundaries. It includes utilities to inject and extract context information from carriers in various formats.
const { propagation, defaultTextMapGetter } = require('@opentelemetry/core');
const carrier = {};
const context = propagation.extract(ROOT_CONTEXT, carrier, defaultTextMapGetter);Instrumentation
Instrumentation is a core part of OpenTelemetry, allowing developers to collect telemetry data (metrics, logs, and traces) from their applications. This feature provides diagnostic logging capabilities.
const { diag } = require('@opentelemetry/core');
diag.setLogger(new DiagConsoleLogger(), DiagLogLevel.INFO);Jaeger client is a distributed tracing system. It's similar to @opentelemetry/core in that it provides tracing capabilities, but it's specifically designed for use with the Jaeger backend. Unlike OpenTelemetry, which aims to be vendor-neutral, Jaeger client is tailored for Jaeger.
Prom-client is a client for the Prometheus monitoring system, focusing on gathering metrics. It's similar to the metrics collection part of @opentelemetry/core but is specifically designed for use with Prometheus rather than being part of a broader observability framework.
This package provides default and no-op implementations of the OpenTelemetry types for trace and metrics. It's intended for use both on the server and in the browser.
Apache 2.0 - See LICENSE for more information.
0.3.0
Released 2019-12-13
opentelemetry-core, opentelemetry-node, opentelemetry-plugin-dns, opentelemetry-plugin-document-load, opentelemetry-plugin-grpc, opentelemetry-plugin-postgres, opentelemetry-plugin-redis, opentelemetry-tracing, opentelemetry-types
opentelemetry-plugin-document-load
opentelemetry-plugin-http, opentelemetry-plugin-https
opentelemetry-core, opentelemetry-metrics, opentelemetry-types
opentelemetry-metrics
opentelemetry-core, opentelemetry-plugin-document-load, opentelemetry-tracing, opentelemetry-web
opentelemetry-exporter-jaeger
opentelemetry-plugin-dns
opentelemetry-plugin-http
opentelemetry-shim-opentracing
main in package.jsonopentelemetry-exporter-zipkin
opentelemetry-plugin-grpc
opentelemetry-core
opentelemetry-plugin-mongodb-core
opentelemetry-metrics
opentelemetry-plugin-redis
opentelemetry-exporter-prometheus
opentelemetry-types
opentelemetry-plugin-postgres
opentelemetry-core, opentelemetry-exporter-collector
opentelemetry-node, opentelemetry-plugin-mysql
opentelemetry-plugin-redis
opentelemetry-plugin-mongodb-core
opentelemetry-exporter-prometheus
opentelemetry-metrics
opentelemetry-scope-zone-peer-dep, opentelemetry-scope-zone, opentelemetry-web
opentelemetry-core, opentelemetry-plugin-document-load
opentelemetry-core, opentelemetry-metrics, opentelemetry-types
opentelemetry-metrics, opentelemetry-types
FAQs
OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.
The npm package @opentelemetry/core receives a total of 12,176,315 weekly downloads. As such, @opentelemetry/core popularity was classified as popular.
We found that @opentelemetry/core demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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