autoinstrumentation-playground

Warning

This is not a setup meant for production use. It is not secure, some components are still in alpha/beta versions and should not be used to any other purpose than testing and learning.

Application architecture

Running instrumented application locally

Important

If you aren't doing any changes to the code, you can skip the build step and use the prebuilt images from docker hub.

dummy-gateway

./dummy-gateway/appsettings.json

"ProfileServiceAddress": "http://autoinstrumentation-playground-dummy-profile-service-1:8089",
"ScoreServiceAddress": "http://autoinstrumentation-playground-dummy-score-service-1:8081"

./dummy-gateway/.env

# enable OpenTelemetry .NET Automatic Instrumentation
CORECLR_ENABLE_PROFILING="1"
CORECLR_PROFILER='{918728DD-259F-4A6A-AC2B-B85E1B658318}'
CORECLR_PROFILER_PATH="/otel-dotnet-auto/linux-x64/OpenTelemetry.AutoInstrumentation.Native.so"
DOTNET_ADDITIONAL_DEPS="/otel-dotnet-auto/AdditionalDeps"
DOTNET_SHARED_STORE="/otel-dotnet-auto/store"
#Openeteletry default STARTUP HOOK
DOTNET_STARTUP_HOOKS="/otel-dotnet-auto/net/OpenTelemetry.AutoInstrumentation.StartupHook.dll"
OTEL_DOTNET_AUTO_HOME="/otel-dotnet-auto"

Build image using: docker build -t 322456/dummy-gateway:latest -f ./dummy-gateway/Dockerfile .

dummy-profile-service

./dummy-profile-service/.env

POSTGRES_DB=profservice
POSTGRES_USER=dummy-user
POSTGRES_PASSWORD=dummy-password
POSTGRES_HOST=autoinstrumentation-playground-dummy-profile-database-1
OTEL_SERVICE_NAME=dummy-profile-service
OTEL_EXPORTER_OTLP_ENDPOINT=http://autoinstrumentation-playground-otel-collector-1:4318
OTEL_EXPORTER_OTLP_TRACES_PROTOCOL=http/protobuf

Build image using: docker build -t 322456/dummy-profile-service:latest -f ./dummy-profile-service/Dockerfile ./dummy-profile-service/

dummy-score-service

./dummy-score-service/.local.env

DB_URI=mongodb://autoinstrumentation-playground-dummy-score-database-1:27017/?connectTimeoutMS=3000
DB_CONN_RETRY=5
SERVER_PORT=8081

Build image using: docker build -t 322456/dummy-score-service:latest -f ./dummy-score-service/Dockerfile ./dummy-score-service/

Run project

docker compose up -d

Running k8s cluster wide instrumentation with Otel Collector, Jaeger and Odigos

dummy-gateway

./dummy-gateway/appsettings.json

"ProfileServiceAddress": "http://dummy-profile-service-service.dummy-app-development.svc.cluster.local:8089",
"ScoreServiceAddress": "http://dummy-score-service-service.dummy-app-development.svc.cluster.local:8081"

./dummy-gateway/.env

CORECLR_ENABLE_PROFILING="1"

Build image using: docker build -t 322456/dummy-gateway-remote:latest -f ./dummy-gateway/Dockerfile.remote .

dummy-profile-service

./dummy-profile-service/.env

POSTGRES_DB=profservice
POSTGRES_USER=dummy-user
POSTGRES_PASSWORD=dummy-password
POSTGRES_HOST=dummy-profile-service-database-service.dummy-app-development.svc.cluster.local

Build image using: docker build -t 322456/dummy-profile-service-remote:latest -f ./dummy-profile-service/Dockerfile.remote ./dummy-profile-service/

./k8s/dummy-app-chart/templates/dummy-profile-service-database-secret.yaml

apiVersion: v1
kind: Secret
metadata:
 name: postgres-secret
data:
 dbname: cHJvZnNlcnZpY2U= #<base64-encoded-dbname>
 username: ZHVtbXktdXNlcg== #<base64-encoded-username>
 password: ZHVtbXktcGFzc3dvcmQ= #<base64-encoded-password>

dummy-score-service

./dummy-score-service/.local.env

DB_URI=mongodb://dummy-score-service-database-service.dummy-app-development.svc.cluster.local:27017/?connectTimeoutMS=3000
DB_CONN_RETRY=5
SERVER_PORT=8081

Build image using: docker build -t 322456/dummy-score-service-remote:latest -f ./dummy-score-service/Dockerfile ./dummy-score-service/

Install app helm chart

helm upgrade --install dummy-app ./k8s/dummy-app-chart --create-namespace --dependency-update --namespace dummy-app-development --wait

Install observability stack helm chart

helm upgrade --install obs ./k8s/observability-stack --create-namespace --dependency-update --namespace observability-stack --wait