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main.go
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main.go
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package main
import (
"context"
"fmt"
"net"
"os"
"os/signal"
"syscall"
"github.com/arshchimni/tekton-monorepo-interceptor/diff"
"github.com/arshchimni/tekton-monorepo-interceptor/log"
"github.com/arshchimni/tekton-monorepo-interceptor/server"
"go.uber.org/zap"
)
func main() {
logLevel := os.Getenv("LOG_LEVEL")
if logLevel == "" {
logLevel = "INFO"
}
listenerPort := os.Getenv("PORT")
if listenerPort == "" {
listenerPort = "9090"
}
ctx, cancel := context.WithCancel(context.Background())
logger, err := log.New(logLevel)
if err != nil {
fmt.Fprintf(os.Stderr, "[ERROR] Failed to create logger: %s\n", err)
os.Exit(1)
}
differ, err := diff.NewDiff(logger)
if err != nil {
logger.Fatal("cannot create github client",
zap.Error(err),
)
}
interceptorServer := server.New(logger, differ)
interceptorAddr := fmt.Sprintf(":%s", listenerPort)
listener, err := net.Listen("tcp", interceptorAddr)
if err != nil {
logger.Fatal("[ERROR] Failed to listen HTTP port: %s\n", zap.Error(err))
}
go func() {
err = interceptorServer.Serve(listener)
if err != nil {
logger.Fatal("[ERROR] Failed to start server: %s\n", zap.Error(err))
}
}()
sigCh := make(chan os.Signal, 1)
signal.Notify(sigCh, syscall.SIGTERM, os.Interrupt)
select {
case <-sigCh:
logger.Info("received SIGTERM, exiting gracefully")
case <-ctx.Done():
}
// Gracefully shutdown HTTP server.
if err := interceptorServer.GracefulStop(ctx); err != nil {
logger.Fatal("failed to gracefully shutdown monitoring HTTP server", zap.Error(err))
}
cancel()
}