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main.go
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package main
import (
"context"
"fmt"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/soluto/dqd/api"
"github.com/soluto/dqd/cmd"
"github.com/soluto/dqd/config"
"github.com/soluto/dqd/listeners"
"github.com/soluto/dqd/pipe"
"github.com/soluto/dqd/utils"
v1 "github.com/soluto/dqd/v1"
)
var logger = log.With().Str("scope", "Main").Logger()
func GetHealthChecker(workers []*pipe.Worker) v1.HealthChecker {
checkers := make(map[string]v1.HealthChecker)
for _, w := range workers {
checkers[w.Name] = w
}
return v1.CombineHealthCheckers(checkers)
}
func main() {
conf, err := cmd.Load()
if err != nil {
cmd.ConfigurationError(err)
}
conf.SetDefault("logLevel", 1)
conf.SetDefault("apiPort", 8888)
logLevel := conf.GetInt("logLevel")
zerolog.SetGlobalLevel(zerolog.Level(logLevel))
apiPort := conf.GetInt("metricsPort")
if apiPort == 0 {
apiPort = conf.GetInt("apiPort")
}
app, err := config.CreateApp(conf)
if err != nil {
cmd.ConfigurationError(err)
}
ctx := utils.ContextWithSignal(context.Background())
for _, worker := range app.Workers {
go func(worker *pipe.Worker) {
err := worker.Start(ctx)
if err != nil {
panic(err)
}
}(worker)
}
for _, listener := range app.Listeners {
go func(listener listeners.Listener) {
err := listener.Listen(ctx)
if err != nil {
panic(err)
}
}(listener)
}
if len(app.Workers) == 0 && len(app.Sources) == 0 {
cmd.ConfigurationError(fmt.Errorf("no workers or sources are defiend"))
}
go api.Start(ctx, apiPort, GetHealthChecker(app.Workers))
select {
case <-ctx.Done():
logger.Info().Msg("Shutting Down")
}
}