chore(tfstated): refactor backend code to a dedicated package

cmd/tfstated/main.go

@@ -4,17 +4,14 @@ import (
 	"context"
 	"fmt"
 	"io"
-	"log"
 	"log/slog"
-	"net"
-	"net/http"
 	"os"
 	"os/signal"
 	"sync"
 	"time"
 
+	"git.adyxax.org/adyxax/tfstated/pkg/backend"
 	"git.adyxax.org/adyxax/tfstated/pkg/database"
-	"git.adyxax.org/adyxax/tfstated/pkg/logger"
 )
 
 func run(
@@ -33,31 +30,7 @@ func run(
 		return err
 	}
 
-	mux := http.NewServeMux()
-	addRoutes(
-		mux,
-		db,
-	)
-
-	host := getenv("TFSTATED_HOST")
-	if host == "" {
-		host = "127.0.0.1"
-	}
-	port := getenv("TFSTATED_PORT")
-	if port == "" {
-		port = "8080"
-	}
-
-	httpServer := &http.Server{
-		Addr:    net.JoinHostPort(host, port),
-		Handler: logger.Middleware(mux, false),
-	}
-	go func() {
-		log.Printf("listening on %s\n", httpServer.Addr)
-		if err := httpServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
-			_, _ = fmt.Fprintf(stderr, "error listening and serving: %+v\n", err)
-		}
-	}()
+	httpServer := backend.Run(ctx, db, getenv, stderr)
 	var wg sync.WaitGroup
 	wg.Add(1)
 	go func() {

pkg/backend/delete.go

@@ -1,4 +1,4 @@
-package main
+package backend
 
 import (
 	"fmt"

pkg/backend/get.go

@@ -1,4 +1,4 @@
-package main
+package backend
 
 import (
 	"fmt"

pkg/backend/healthz.go

@@ -1,4 +1,4 @@
-package main
+package backend
 
 import "net/http"
 

pkg/backend/lock.go

@@ -1,4 +1,4 @@
-package main
+package backend
 
 import (
 	"fmt"

pkg/backend/post.go

@@ -1,4 +1,4 @@
-package main
+package backend
 
 import (
 	"fmt"

pkg/backend/routes.go

@@ -1,4 +1,4 @@
-package main
+package backend
 
 import (
 	"net/http"

pkg/backend/run.go

@@ -0,0 +1,51 @@
+package backend
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"log"
+	"net"
+	"net/http"
+
+	"git.adyxax.org/adyxax/tfstated/pkg/database"
+	"git.adyxax.org/adyxax/tfstated/pkg/logger"
+)
+
+func Run(
+	ctx context.Context,
+	db *database.DB,
+	//args []string,
+	getenv func(string) string,
+	//stdin io.Reader,
+	//stdout io.Writer,
+	stderr io.Writer,
+) *http.Server {
+	mux := http.NewServeMux()
+	addRoutes(
+		mux,
+		db,
+	)
+
+	host := getenv("TFSTATED_HOST")
+	if host == "" {
+		host = "127.0.0.1"
+	}
+	port := getenv("TFSTATED_PORT")
+	if port == "" {
+		port = "8080"
+	}
+
+	httpServer := &http.Server{
+		Addr:    net.JoinHostPort(host, port),
+		Handler: logger.Middleware(mux, false),
+	}
+	go func() {
+		log.Printf("listening on %s\n", httpServer.Addr)
+		if err := httpServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			_, _ = fmt.Fprintf(stderr, "error listening and serving: %+v\n", err)
+		}
+	}()
+
+	return httpServer
+}

pkg/backend/unlock.go

@@ -1,4 +1,4 @@
-package main
+package backend
 
 import (
 	"fmt"