initial

process/historyposter.go

@@ -0,0 +1,84 @@
+package process
+
+import (
+	"context"
+	"fmt"
+	"github.com/k0kubun/pp"
+	"github.com/mattn/go-isatty"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/viper"
+	"os"
+	"time"
+)
+
+// CLIEntry is the main entrypoint
+func CLIEntry(version string, buildarch string) int {
+
+	hp := new(HistoryPoster)
+	hp.version = version
+	hp.buildarch = buildarch
+	hp.startup = time.Now()
+
+	c := make(chan os.Signal, 1)
+	signal.Notify(hp.shutdownChannel, os.Interrupt)
+
+	hp.configure()
+	hp.setupLogging()
+	hp.setupDatabase()
+
+	ctx, cancel := context.WithCancel(context.Background())
+	go func() {
+		sig := <-c
+		log.Info().Msgf("signal received: %+v", sig)
+		// FIXME this might need to be scoped to a specific signal
+		cancel()
+	}()
+	return hp.runForever(ctx)
+}
+
+type HistoryPoster struct {
+	version   string
+	buildarch string
+	startup   time.Time
+}
+
+func (hp *HistoryPoster) runForever(ctx context.Context) int {
+
+}
+
+func (hp *HistoryPoster) setupLogging() {
+
+	log.Logger = log.With().Caller().Logger()
+
+	tty := isatty.IsTerminal(os.Stdin.Fd()) || isatty.IsCygwinTerminal(os.Stdin.Fd())
+
+	if tty {
+		out := zerolog.NewConsoleWriter(
+			func(w *zerolog.ConsoleWriter) {
+				// Customize time format
+				w.TimeFormat = time.RFC3339
+			},
+		)
+		log.Logger = log.Output(out)
+	}
+
+	// always log in UTC
+	zerolog.TimestampFunc = func() time.Time {
+		return time.Now().UTC()
+	}
+
+	zerolog.SetGlobalLevel(zerolog.InfoLevel)
+	if viper.GetBool("debug") {
+		zerolog.SetGlobalLevel(zerolog.DebugLevel)
+	}
+
+	hp.identify()
+}
+
+func (hp *HistoryPoster) identify() {
+	log.Info().
+		Str("version", hp.version).
+		Str("buildarch", hp.buildarch).
+		Msg("starting")
+}