Injecting Auto-instrumentation
An implementation of auto-instrumentation using the OpenTelemetry Operator.
OpenTelemetry Operator for Kubernetes
An implementation of a Kubernetes Operator, that manages collectors and auto-instrumentation of the workload using OpenTelemetry instrumentation libraries.
Introduction
The OpenTelemetry Operator is an implementation of a Kubernetes Operator.
The operator manages:
- OpenTelemetry Collector
- auto-instrumentation of the workloads using OpenTelemetry instrumentation libraries
Getting started
To install the operator in an existing cluster, make sure you have cert-manager installed and run:
kubectl apply -f https://github.com/open-telemetry/opentelemetry-operator/releases/latest/download/opentelemetry-operator.yaml Once the opentelemetry-operator deployment is ready, create an OpenTelemetry Collector (otelcol) instance, like:
$ kubectl apply -f - <<EOF apiVersion: opentelemetry.io/v1beta1 kind: OpenTelemetryCollector metadata: name: simplest spec: config: receivers: otlp: protocols: grpc: endpoint: 0.0.0.0:4317 http: endpoint: 0.0.0.0:4318 processors: memory_limiter: check_interval: 1s limit_percentage: 75 spike_limit_percentage: 15 exporters: # NOTE: Prior to v0.86.0 use `logging` instead of `debug`. debug: {} service: pipelines: traces: receivers: [otlp] processors: [memory_limiter] exporters: [debug] EOF Note
By default, opentelemetry-operator uses the opentelemetry-collector image. When the operator is installed using Helm charts, the opentelemetry-collector-k8s image is used. If you need a component not found in these releases, you may need to build your own collector.
For more configuration options and for setting up the injection of auto-instrumentation of the workloads using OpenTelemetry instrumentation libraries, see OpenTelemetry Operator for Kubernetes.
Horizontal Pod Autoscaling
Configure Horizontal Pod Autoscaling with your OpenTelemetry Collector
Target Allocator
A tool to distribute targets of the PrometheusReceiver on all deployed Collector instances
Troubleshooting the OpenTelemetry Operator for Kubernetes
Contains a collection of tips for troubleshooting various aspects of the OpenTelemetry Kubernetes Operator. For example, what to do when the target allocator is failing to discover scrape targets.
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