91 lines
1.8 KiB
Go
91 lines
1.8 KiB
Go
package main
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import (
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"context"
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"database/sql"
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"log"
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"net/http"
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"os"
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"os/signal"
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"sync"
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"syscall"
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"deployment-manager/internal/api"
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"deployment-manager/internal/config"
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"deployment-manager/internal/db"
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"deployment-manager/internal/events"
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"deployment-manager/internal/reconciler"
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"deployment-manager/internal/worker"
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_ "github.com/mattn/go-sqlite3"
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)
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func main() {
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cfg := config.Load()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// ---- graceful shutdown ----
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sig := make(chan os.Signal, 1)
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signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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<-sig
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log.Println("shutdown signal received")
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cancel()
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}()
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// ---- DB ----
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database, err := sql.Open("sqlite3", cfg.DBPath)
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if err != nil {
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log.Fatal(err)
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}
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defer database.Close()
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if err := db.Migrate(database); err != nil {
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log.Fatal(err)
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}
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// ---- channels ----
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jobQueue := make(chan int64, 100)
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// ---- event bus ----
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eventBus := events.NewBus()
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// Subscribe to events for workers
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eventChan := eventBus.Subscribe(ctx)
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// ---- worker pool ----
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var wg sync.WaitGroup
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for i := 0; i < cfg.MaxWorkers; i++ {
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wg.Add(1)
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go func(id int) {
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defer wg.Done()
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w := worker.NewWorker(id, database, eventChan, jobQueue, cfg.Kubeconfig, cfg.Namespace)
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w.Run(ctx)
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}(i)
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}
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// ---- reconciler ----
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reconciler := reconciler.NewReconciler(database, jobQueue, cfg.ReconcileTick)
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go reconciler.Run(ctx)
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// ---- HTTP (API + SSE) ----
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httpServer := api.NewHTTPServer(database, eventBus)
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port := ":" + cfg.HTTPPort
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go func() {
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log.Printf("HTTP server listening on %s", port)
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if err := httpServer.Start(port); err != nil && err != http.ErrServerClosed {
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log.Fatal(err)
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}
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}()
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<-ctx.Done()
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log.Println("shutting down...")
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httpServer.Shutdown(context.Background())
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close(jobQueue)
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wg.Wait()
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log.Println("bye")
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}
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