78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
package main
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import (
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"fmt"
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"log"
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"os"
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"runtime/debug"
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"strings"
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"time"
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"github.com/getsentry/sentry-go"
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)
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func main() {
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err := sentry.Init(sentry.ClientOptions{
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Dsn: os.Getenv("SENTRY_DSN"),
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})
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if err != nil {
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panic(err)
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}
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log.Println("connecting to databases")
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connect_dbs()
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log.Println("starting scheduled tasks runner")
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wait_until_next_minute()
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go doforever(time.Minute*10, withtime("message stats updater", update_db_message_meta))
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doforever(time.Minute, withtime("scheduled tasks", task_main))
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}
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func wait_until_next_minute() {
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now := time.Now().UTC().Add(time.Minute)
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after := time.Date(now.Year(), now.Month(), now.Day(), now.Hour(), now.Minute(), 0, 0, time.UTC)
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time.Sleep(after.Sub(time.Now().UTC()))
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}
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func get_env_var(key string) string {
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if val, ok := os.LookupEnv(key); ok {
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return val
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}
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panic(fmt.Errorf("missing `%s` in environment", key))
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}
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func withtime(name string, todo func()) func() {
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return func() {
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timeBefore := time.Now()
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todo()
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timeAfter := time.Now()
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log.Println("ran", name, "in", timeAfter.Sub(timeBefore).String())
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}
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}
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func doforever(dur time.Duration, todo func()) {
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for {
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go wrapRecover(todo)
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time.Sleep(dur)
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}
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}
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func wrapRecover(todo func()) {
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defer func() {
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if err := recover(); err != nil {
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if val, ok := err.(error); ok {
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sentry.CaptureException(val)
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} else {
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sentry.CaptureMessage(fmt.Sprint("unknown error", err))
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}
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stack := strings.Split(string(debug.Stack()), "\n")
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stack = stack[7:]
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log.Println("error running tasks:", err.(error).Error())
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fmt.Println(strings.Join(stack, "\n"))
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}
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}()
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todo()
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}
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