79 lines
1.8 KiB
Go
79 lines
1.8 KiB
Go
package main
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import (
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"amb-monitor/config"
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"amb-monitor/db"
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"amb-monitor/logging"
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"amb-monitor/monitor"
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"amb-monitor/repository"
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"context"
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"net/http"
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"os"
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"os/signal"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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)
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func main() {
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var logger = logging.New()
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cfg, err := config.ReadConfig()
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if err != nil {
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logger.WithError(err).Fatal("can't read config")
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}
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logger.SetLevel(cfg.LogLevel)
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dbConn, err := db.NewDB(cfg.DBConfig)
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if err != nil {
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logger.WithError(err).Fatal("can't connect to database")
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}
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defer dbConn.Close()
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if err = dbConn.Migrate(); err != nil {
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logger.WithError(err).Fatal("can't run database migrations")
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}
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http.Handle("/metrics", promhttp.Handler())
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go func() {
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err := http.ListenAndServe(":2112", nil)
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if err != nil {
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logger.WithError(err).Fatal("can't start listener for prometheus metrics")
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}
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}()
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repo := repository.NewRepo(dbConn)
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monitors := make([]*monitor.Monitor, 0, len(cfg.Bridges))
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ctx, cancel := context.WithCancel(context.Background())
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for _, bridge := range cfg.DisabledBridges {
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delete(cfg.Bridges, bridge)
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}
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if cfg.EnabledBridges != nil {
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newBridgeCfg := make(map[string]*config.BridgeConfig, len(cfg.EnabledBridges))
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for _, bridge := range cfg.EnabledBridges {
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newBridgeCfg[bridge] = cfg.Bridges[bridge]
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}
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cfg.Bridges = newBridgeCfg
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}
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for _, bridgeCfg := range cfg.Bridges {
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m, err2 := monitor.NewMonitor(ctx, logger.WithField("bridge_id", bridgeCfg.ID), dbConn, repo, bridgeCfg)
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if err2 != nil {
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logger.WithError(err2).Fatal("can't initialize bridge monitor")
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}
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monitors = append(monitors, m)
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}
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for _, m := range monitors {
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m.Start(ctx)
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}
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt)
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for range c {
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cancel()
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logger.Warn("caught CTRL-C, gracefully terminating")
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os.Exit(0)
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}
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}
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