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main.go
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main.go
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package main
import (
"context"
"fmt"
"os"
"strconv"
"time"
"github.com/alecthomas/kong"
"github.com/TBD54566975/ftl"
"github.com/TBD54566975/ftl/backend/controller"
"github.com/TBD54566975/ftl/backend/controller/scaling"
_ "github.com/TBD54566975/ftl/internal/automaxprocs" // Set GOMAXPROCS to match Linux container CPU quota.
"github.com/TBD54566975/ftl/internal/log"
"github.com/TBD54566975/ftl/internal/observability"
)
var cli struct {
Version kong.VersionFlag `help:"Show version."`
ObservabilityConfig observability.Config `embed:"" prefix:"o11y-"`
LogConfig log.Config `embed:"" prefix:"log-"`
ControllerConfig controller.Config `embed:""`
}
func main() {
t, err := strconv.ParseInt(ftl.Timestamp, 10, 64)
if err != nil {
panic(fmt.Sprintf("invalid timestamp %q: %s", ftl.Timestamp, err))
}
kctx := kong.Parse(&cli,
kong.Description(`FTL - Towards a 𝝺-calculus for large-scale systems`),
kong.UsageOnError(),
kong.Vars{"version": ftl.Version, "timestamp": time.Unix(t, 0).Format(time.RFC3339)},
)
ctx := log.ContextWithLogger(context.Background(), log.Configure(os.Stderr, cli.LogConfig))
err = observability.Init(ctx, "ftl-controller", ftl.Version, cli.ObservabilityConfig)
kctx.FatalIfErrorf(err, "failed to initialize observability")
err = controller.Start(ctx, cli.ControllerConfig, scaling.NewK8sScaling())
kctx.FatalIfErrorf(err)
}