simon

simon

Observability load testing and simulation, under construction.

Supported platforms: {linux, windows, darwin}-{amd64, arm64, riscv64}

Observability

• Logs
• Metrics
• Traces
• Context propagation
• Profiling
• Health checks
  • Liveness
  • Readiness
  • Other probes

Deployment

• Kubernetes deployment
• Helm chart

Run

Docker

docker run -i -t ghcr.io/go-faster/simon:latest

{"level":"info","ts":1680181590.1318264,"logger":"metrics","caller":"app/metrics.go:286","msg":"No metrics exporter is configured by OTEL_METRICS_EXPORTER"}
{"level":"info","ts":1680181590.134922,"logger":"metrics","caller":"app/metrics.go:319","msg":"No traces exporter is configured by OTEL_TRACES_EXPORTER"}
{"level":"info","ts":1680181590.1362665,"logger":"metrics","caller":"app/metrics.go:356","msg":"Propagators configured","propagators":["tracecontext","baggage"]}
{"level":"info","ts":1680181590.1375117,"logger":"metrics","caller":"app/metrics.go:112","msg":"Registering pprof routes","routes":["profile","symbol","trace","goroutine","heap","threadcreate","block"]}
{"level":"info","ts":1680181590.139126,"logger":"metrics","caller":"app/metrics.go:379","msg":"Metrics initialized","otel.resource":"process.runtime.description=go version go1.20.2 linux/riscv64,process.runtime.name=go,process.runtime.version=go1.20.2,service.name=simon,service.namespace=go-faster,telemetry.sdk.language=go,telemetry.sdk.name=opentelemetry,telemetry.sdk.version=1.14.0","metrics.http.addr":"localhost:9464"}
{"level":"info","ts":1680181590.1406643,"logger":"metrics","caller":"app/metrics.go:62","msg":"Starting metrics server"}
{"level":"info","ts":1680181591.1405013,"caller":"simon/main.go:28","msg":"Hello, world!"}
{"level":"info","ts":1680181592.1402662,"caller":"simon/main.go:28","msg":"Hello, world!"}

Pod

kubectl -n sandbox apply -f _deploy/

Environment variables

See General SDK Configuration for OpenTelemetry.

METRICS_ADDR

PPROF_ROUTES