talk(go/orchestrion): lightning talk about Orchestrion at GoLab 2024

go/orchestrion/Makefile

@@ -0,0 +1,7 @@
+.PHONY: run run-uninstrumented
+
+run:
+	DD_PROFILING_ENABLED=true DD_TRACE_AGENT_PORT=9126 orchestrion go run .
+
+run-uninstrumented:
+	go run .

go/orchestrion/golab2024/Makefile

@@ -0,0 +1,14 @@
+.PHONY: clean run run-uninstrumented setup
+
+clean:
+	rm orchestrion.tool.go
+	go mod tidy
+
+setup:
+	orchestrion pin
+
+run:
+	DD_PROFILING_ENABLED=true DD_TRACE_AGENT_PORT=9126 orchestrion go run .
+
+run-uninstrumented:
+	go run .

go/orchestrion/golab2024/go.mod

@@ -0,0 +1,5 @@
+module dario.cat/golab2024
+
+go 1.23.2
+
+require github.com/go-chi/chi/v5 v5.1.0

go/orchestrion/golab2024/go.sum

@@ -0,0 +1,2 @@
+github.com/go-chi/chi/v5 v5.1.0 h1:acVI1TYaD+hhedDJ3r54HyA6sExp3HfXq7QWEEY/xMw=
+github.com/go-chi/chi/v5 v5.1.0/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=

go/orchestrion/golab2024/main.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"log/slog"
+	"math/rand/v2"
+	"net/http"
+	"time"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+)
+
+func serveHTTP() {
+	r := chi.NewRouter()
+	r.Use(middleware.Logger)
+	r.Use(middleware.Recoverer)
+	r.Get("/ping", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintf(w, "Pong!")
+	})
+	http.ListenAndServe("127.0.0.1:8080", r)
+}
+
+func generateRequests() {
+	for {
+		_, err := http.Get("http://127.0.0.1:8080/ping")
+		if err != nil {
+			slog.Error(err.Error())
+		}
+		amount := rand.Int() % 300
+		time.Sleep(time.Duration(amount) * time.Millisecond)
+	}
+}
+
+func main() {
+	go serveHTTP()
+	generateRequests()
+}

go/orchestrion/golab2024/slides.md

@@ -0,0 +1,67 @@
+---
+marp: true
+paginate: true
+---
+
+# Orchestrion: lightning demo
+
+### Automatic compile-time instrumentation of Go code
+
+Dario Castañé (he/him; github: darccio, bsky: dario.cat, fediverse&email: d@rio.hn)
+GoLab 2024
+
+<!--
+DataDog: dd-trace-go maintainer
+
+In the next minutes, we'll go from a basic chi server without any dd-trace-go code to the exactly chi server
+without any dd-trace-go code BUT sending traces and profiles
+to DataDog platfor.
+-->
+
+---
+
+<style>
+img[alt~="center"] {
+  display: block;
+  margin: 0 auto;
+}
+</style>
+
+![center](./golab2024.jpeg)
+
+---
+
+# The code
+
+---
+
+# Orchestrion
+
+[github.com/DataDog/orchestrion](github.com/DataDog/orchestrion)
+
+<!--
+cat go.mod
+orchestrion pin
+cat go.mod
+-->
+
+---
+
+# Demo time!
+
+We got:
+
+- [Traces!](https://app.datadoghq.eu/apm/traces?query=%40_trace_root%3A1%20service%3Agolab2024&agg_m=count&agg_m_source=base&agg_t=count&cols=core_service%2Ccore_resource_name%2Clog_duration%2Clog_http.method%2Clog_http.status_code&fromUser=false&historicalData=false&messageDisplay=inline&query_translation_version=v0&serviceName=golab2024&sort=desc&spanType=trace-root&storage=hot&view=spans&paused=false)
+- [Profiling!](https://app.datadoghq.eu/profiling/explorer?query=service%3Agolab2024%20host%3ACOMP-WDWT6G66NH&agg_m=count&agg_m_source=base&agg_t=count&fromUser=true&my_code=disabled&refresh_mode=paused&viz=flame_graph&live=true)
+
+---
+
+# Do you want to know more?
+
+Julio Guerra - GopherCon Europe 2021: [youtu.be/Uk1hscXhlY0](https://youtu.be/Uk1hscXhlY0)
+
+Jon Bodner - GopherCon 2023: [youtu.be/5l-W7vPSbuc](https://youtu.be/5l-W7vPSbuc)
+
+Me (again): bsky: dario.cat, fediverse&email: d@rio.hn
+
+These slides: [github.com/darccio/talks/main/go/orchestrion](https://github.com/darccio/talks/main/go/orchestrion)

go/orchestrion/main.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"log/slog"
+	"math/rand/v2"
+	"net/http"
+	"time"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+)
+
+func serveHTTP() {
+	r := chi.NewRouter()
+	r.Use(middleware.Logger)
+	r.Use(middleware.Recoverer)
+	r.Get("/ping", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintf(w, "Pong!")
+	})
+	http.ListenAndServe("127.0.0.1:8080", r)
+}
+
+func generateRequests() {
+	for {
+		_, err := http.Get("http://127.0.0.1:8080/ping")
+		if err != nil {
+			slog.Error(err.Error())
+		}
+		amount := rand.Int() % 300
+		time.Sleep(time.Duration(amount) * time.Millisecond)
+	}
+}
+
+func main() {
+	go serveHTTP()
+	generateRequests()
+}

go/orchestrion/slides.md

@@ -0,0 +1,61 @@
+---
+marp: true
+paginate: true
+---
+
+# Orchestrion: lightning demo
+
+### Automatic compile-time instrumentation of Go code
+
+Dario Castañé (he/him; github: darccio, bsky: dario.cat, fediverse&email: d@rio.hn)
+GoLab 2024
+
+<!--
+DataDog: dd-trace-go maintainer
+
+In the next minutes, we'll go from a basic chi server without any dd-trace-go code to the exactly chi server
+without any dd-trace-go code BUT sending traces and profiles
+to DataDog platfor.
+-->
+
+---
+
+<style>
+img[alt~="center"] {
+  display: block;
+  margin: 0 auto;
+}
+</style>
+
+![center](./golab2024.jpeg)
+
+---
+
+# The code
+
+---
+
+# Orchestrion
+
+[github.com/DataDog/orchestrion](github.com/DataDog/orchestrion)
+
+---
+
+# Demo time!
+
+We got:
+
+- [Traces!](https://app.datadoghq.eu/apm/traces?query=%40_trace_root%3A1%20service%3Agolab2024&agg_m=count&agg_m_source=base&agg_t=count&cols=core_service%2Ccore_resource_name%2Clog_duration%2Clog_http.method%2Clog_http.status_code&fromUser=false&historicalData=false&messageDisplay=inline&query_translation_version=v0&serviceName=golab2024&sort=desc&spanType=trace-root&storage=hot&view=spans&paused=false)
+- [Profiling!](https://app.datadoghq.eu/profiling/explorer?query=service%3Agolab2024%20host%3ACOMP-WDWT6G66NH&agg_m=count&agg_m_source=base&agg_t=count&fromUser=true&my_code=disabled&refresh_mode=paused&viz=flame_graph&live=true)
+
+---
+
+# Do you want to know more?
+
+Julio Guerra - GopherCon Europe 2021: [youtu.be/Uk1hscXhlY0](https://youtu.be/Uk1hscXhlY0)
+
+Jon Bodner - GopherCon 2023: [youtu.be/5l-W7vPSbuc](https://youtu.be/5l-W7vPSbuc)
+
+Me (again): bsky: dario.cat, fediverse&email: d@rio.hn
+
+These slides: [github.com/darccio/talks/main/go/orchestrion](https://github.com/darccio/talks/main/go/orchestrion)