86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package main
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import (
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"database/sql"
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"log"
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"os"
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"os/signal"
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"syscall"
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"time"
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"openreplay/backend/pkg/db/postgres"
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"openreplay/backend/pkg/env"
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_ "github.com/lib/pq"
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)
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func main() {
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log.SetFlags(log.LstdFlags | log.LUTC | log.Llongfile)
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POSTGRES_STRING := env.String("POSTGRES_STRING")
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NOTIFICATIONS_STRING := env.String("ALERT_NOTIFICATION_STRING")
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log.Printf("Notifications: %s \nPG: %s\n", NOTIFICATIONS_STRING, POSTGRES_STRING)
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pg := postgres.NewConn(POSTGRES_STRING)
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defer pg.Close()
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pgs, err := sql.Open("postgres", POSTGRES_STRING+ "?sslmode=disable")
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if err != nil {
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log.Fatal(err)
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}
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defer pgs.Close()
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manager := NewManager(NOTIFICATIONS_STRING, POSTGRES_STRING, pgs, pg)
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if err := pg.IterateAlerts(func(a *postgres.Alert, err error) {
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if err != nil {
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log.Printf("Postgres error: %v\n", err)
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return
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}
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log.Printf("Alert initialization: %+v\n", *a)
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//log.Printf("CreatedAt: %s\n", *a.CreatedAt)
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err = manager.Update(a)
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if err != nil {
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log.Printf("Alert parse error: %v | Alert: %+v\n", err, *a)
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return
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}
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}); err != nil {
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log.Fatalf("Postgres error: %v\n", err)
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}
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listener, err := postgres.NewAlertsListener(POSTGRES_STRING)
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if err != nil {
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log.Fatalf("Postgres listener error: %v\n", err)
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}
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defer listener.Close()
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sigchan := make(chan os.Signal, 1)
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signal.Notify(sigchan, syscall.SIGINT, syscall.SIGTERM)
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tickAlert := time.Tick(1 * time.Minute)
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log.Printf("Alert service started\n")
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manager.RequestAll()
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//return
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for {
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select {
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case sig := <-sigchan:
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log.Printf("Caught signal %v: terminating\n", sig)
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listener.Close()
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pg.Close()
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os.Exit(0)
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case <-tickAlert:
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log.Printf("Requesting all...%d alerts\n", manager.Length())
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manager.RequestAll()
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case iPointer := <-listener.Alerts:
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log.Printf("Alert update: %+v\n", *iPointer)
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//log.Printf("CreatedAt: %s\n", *iPointer.CreatedAt)
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//log.Printf("Notification received for AlertId: %d\n", iPointer.AlertID)
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err := manager.Update(iPointer)
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if err != nil {
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log.Printf("Alert parse error: %+v | Alert: %v\n", err, *iPointer)
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}
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case err := <-listener.Errors:
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log.Printf("listener error: %v\n", err)
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if err.Error() == "conn closed" {
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panic("Listener conn lost")
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}
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}
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}
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}
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