Add server wrapper, blob fetch logging, sheet cell tool; drop importblobs

2026-08-16 11:22:59 -07:00
parent bbff936f39
commit 366e3bb8a2
6 changed files with 280 additions and 302 deletions
@@ -0,0 +1,77 @@
+// Command startserver launches the app, waits for it to listen, prints the pid and an auth header, and leaves it running.
+package main
+
+import (
+	"crypto/hmac"
+	"crypto/sha256"
+	"encoding/base64"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"strings"
+	"time"
+)
+
+func main() {
+	email := flag.String("email", "dev@heliosschool.org", "session email for the minted cookie")
+	flag.Parse()
+	key := os.Getenv("SESSION_KEY")
+	if key == "" {
+		log.Fatal("[ERROR] SESSION_KEY is required (the server and the minted cookie must share it)")
+	}
+	if os.Getenv("DIRECTORY_SHEET") == "" {
+		log.Fatal("[ERROR] DIRECTORY_SHEET is required")
+	}
+
+	logFile, err := os.Create("/tmp/heliosian-server.log")
+	if err != nil {
+		log.Fatalf("[ERROR] create server log: %v", err)
+	}
+	cmd := exec.Command("go", "run", ".")
+	cmd.Stdout = logFile
+	cmd.Stderr = logFile
+	if err := cmd.Start(); err != nil {
+		log.Fatalf("[ERROR] start server: %v", err)
+	}
+
+	deadline := time.Now().Add(10 * time.Minute)
+	for {
+		if time.Now().After(deadline) {
+			cmd.Process.Kill()
+			log.Fatalf("[ERROR] server did not start within 10 minutes; log: /tmp/heliosian-server.log")
+		}
+		content, err := os.ReadFile("/tmp/heliosian-server.log")
+		if err != nil {
+			log.Fatalf("[ERROR] read server log: %v", err)
+		}
+		if strings.Contains(string(content), "listening on ") {
+			break
+		}
+		if cmd.ProcessState != nil || !processAlive(cmd.Process.Pid) {
+			fmt.Print(string(content))
+			log.Fatal("[ERROR] server exited before listening")
+		}
+		time.Sleep(time.Second)
+	}
+
+	payload := fmt.Sprintf("%s|%d", *email, time.Now().Add(24*time.Hour).Unix())
+	mac := hmac.New(sha256.New, []byte(key))
+	mac.Write([]byte(payload))
+	cookie := base64.RawURLEncoding.EncodeToString([]byte(payload)) + "." +
+		base64.RawURLEncoding.EncodeToString(mac.Sum(nil))
+
+	content, _ := os.ReadFile("/tmp/heliosian-server.log")
+	for _, line := range strings.Split(strings.TrimSpace(string(content)), "\n") {
+		fmt.Println(line)
+	}
+	fmt.Printf("pid: %d\n", cmd.Process.Pid)
+	fmt.Println("log: /tmp/heliosian-server.log")
+	fmt.Printf("header: Cookie: session=%s\n", cookie)
+	cmd.Process.Release()
+}
+
+func processAlive(pid int) bool {
+	return exec.Command("kill", "-0", fmt.Sprint(pid)).Run() == nil
+}