Add API link to footer

Makefile

@@ -1,2 +1,7 @@
 minecraft-site: minecraft-site.go index.html go.mod go.sum
 	go build -tags netgo -ldflags '-extldflags "-static"'
+
+.PHONY: deploy
+deploy: minecraft-site
+	rsync --rsync-path="sudo -u minecraft rsync" minecraft-site zirconium:/home/minecraft/minecraft-site
+	ssh zirconium sudo systemctl restart minecraft-site.service

index.html

@@ -55,6 +55,9 @@
     {{end}}
 </section>
 {{end}}
-<p class="light">This page maintained by chandlerswift's <a href="https://git.chandlerswift.com/chandlerswift/minecraft-site">minecraft server list</a>.</p>
+<p class="light">
+    This page maintained by chandlerswift's <a href="https://git.chandlerswift.com/chandlerswift/minecraft-site">minecraft server list</a>.
+    <a href="/data.json">API at /data.json</a>.
+</p>
 </body>
 </html>

minecraft-site.go

@@ -73,6 +73,10 @@ func main() {
 	}
 
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/" {
+			http.NotFound(w, r)
+			return
+		}
 
 		// Update servers with current data
 		for i, s := range config.Servers {
@@ -89,6 +93,23 @@ func main() {
 		}
 	})
 
+	http.HandleFunc("/data.json", func(w http.ResponseWriter, r *http.Request) {
+		// Update servers with current data
+		for i, s := range config.Servers {
+			// TODO: Query instead (opportunistically?) to get mod lists, etc
+			config.Servers[i].Status, err = minequery.Ping17(s.Host, s.Port)
+			if err != nil {
+				log.Printf("Error querying server: %v", err)
+			}
+		}
+		msg, err := json.Marshal(config.Servers)
+		if err != nil {
+			http.Error(w, err.Error(), 500)
+		}
+		w.Header().Set("Content-Type", "application/json")
+		w.Write(msg)
+	})
+
 	// Serve backup directory
 	if serveBackups { // TODO: add HTML
 		http.Handle("/backups/", http.StripPrefix("/backups/", http.FileServer(http.Dir(config.BackupDir))))