refactor: push commands in to cmd and ev to root as library

cmd/README.md

@@ -0,0 +1,3 @@
+# Cmd
+
+These are examples that can be built using EV. Because they are modular the apps can be mixed an matched by including the different source files linked from `cmd/ev`. 

cmd/ev/app.msgbus.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/sour-is/ev"
+	"github.com/sour-is/ev/app/msgbus"
+	"github.com/sour-is/ev/internal/lg"
+	"github.com/sour-is/ev/pkg/service"
+	"github.com/sour-is/ev/pkg/slice"
+)
+
+var _ = apps.Register(50, func(ctx context.Context, svc *service.Harness) error {
+	ctx, span := lg.Span(ctx)
+	defer span.End()
+
+	span.AddEvent("Enable Msgbus")
+	eventstore, ok := slice.Find[*ev.EventStore](svc.Services...)
+	if !ok {
+		return fmt.Errorf("*es.EventStore not found in services")
+	}
+
+	msgbus, err := msgbus.New(ctx, eventstore)
+	if err != nil {
+		span.RecordError(err)
+		return err
+	}
+	svc.Add(msgbus)
+
+	return nil
+})

cmd/ev/app.peerfinder.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/sour-is/ev"
+	"github.com/sour-is/ev/app/peerfinder"
+	"github.com/sour-is/ev/internal/lg"
+	"github.com/sour-is/ev/pkg/env"
+	"github.com/sour-is/ev/pkg/es/driver/projecter"
+	"github.com/sour-is/ev/pkg/service"
+	"github.com/sour-is/ev/pkg/slice"
+)
+
+var _ = apps.Register(50, func(ctx context.Context, svc *service.Harness) error {
+	ctx, span := lg.Span(ctx)
+	defer span.End()
+
+	span.AddEvent("Enable Peers")
+
+	eventstore, ok := slice.Find[*ev.EventStore](svc.Services...)
+	if !ok {
+		return fmt.Errorf("*es.EventStore not found in services")
+	}
+	eventstore.Option(projecter.New(ctx, peerfinder.Projector))
+
+	peers, err := peerfinder.New(ctx, eventstore, env.Secret("PEER_STATUS", "").Secret())
+	if err != nil {
+		span.RecordError(err)
+		return err
+	}
+	svc.RunOnce(ctx, peers.RefreshJob)
+	svc.NewCron("0,15,30,45", peers.RefreshJob)
+	svc.RunOnce(ctx, peers.CleanJob)
+	svc.NewCron("0 1", peers.CleanJob)
+	svc.OnStart(peers.Run)
+	svc.OnStop(peers.Stop)
+
+	svc.Add(peers)
+
+	return nil
+})

cmd/ev/app.salty.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"net/url"
+
+	"github.com/sour-is/ev"
+	"github.com/sour-is/ev/app/salty"
+	"github.com/sour-is/ev/internal/lg"
+	"github.com/sour-is/ev/pkg/env"
+	"github.com/sour-is/ev/pkg/service"
+	"github.com/sour-is/ev/pkg/slice"
+)
+
+var _ = apps.Register(50, func(ctx context.Context, svc *service.Harness) error {
+	ctx, span := lg.Span(ctx)
+	defer span.End()
+
+	span.AddEvent("Enable Salty")
+	eventstore, ok := slice.Find[*ev.EventStore](svc.Services...)
+	if !ok {
+		return fmt.Errorf("*es.EventStore not found in services")
+	}
+
+	addr := "localhost"
+	if ht, ok := slice.Find[*http.Server](svc.Services...); ok {
+		addr = ht.Addr
+	}
+
+	base, err := url.JoinPath(env.Default("SALTY_BASE_URL", "http://"+addr), "inbox")
+	if err != nil {
+		span.RecordError(err)
+		return err
+	}
+
+	salty, err := salty.New(ctx, eventstore, base)
+	if err != nil {
+		span.RecordError(err)
+		return err
+	}
+	svc.Add(salty)
+
+	return nil
+})

cmd/ev/main.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+
+	"github.com/sour-is/ev/internal/lg"
+	"github.com/sour-is/ev/pkg/service"
+)
+
+var apps service.Apps
+var appName, version = service.AppName()
+
+func main() {
+	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, os.Kill)
+	go func() {
+		<-ctx.Done()
+		defer cancel() // restore interrupt function
+	}()
+
+	svc := &service.Harness{}
+
+	ctx, stop := lg.Init(ctx, appName)
+	svc.OnStop(stop)
+	svc.Add(lg.NewHTTP(ctx))
+
+	svc.Setup(ctx, apps.Apps()...)
+
+	// Run application
+	if err := svc.Run(ctx, appName, version); err != nil && !errors.Is(err, http.ErrServerClosed) {
+		log.Fatal(err)
+	}
+}

cmd/ev/svc.es.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"context"
+
+	"github.com/sour-is/ev"
+	"github.com/sour-is/ev/internal/lg"
+	"github.com/sour-is/ev/pkg/env"
+	"github.com/sour-is/ev/pkg/es"
+	diskstore "github.com/sour-is/ev/pkg/es/driver/disk-store"
+	memstore "github.com/sour-is/ev/pkg/es/driver/mem-store"
+	"github.com/sour-is/ev/pkg/es/driver/projecter"
+	resolvelinks "github.com/sour-is/ev/pkg/es/driver/resolve-links"
+	"github.com/sour-is/ev/pkg/es/driver/streamer"
+	"github.com/sour-is/ev/pkg/es/event"
+	"github.com/sour-is/ev/pkg/service"
+	"go.uber.org/multierr"
+)
+
+var _ = apps.Register(10, func(ctx context.Context, svc *service.Harness) error {
+	ctx, span := lg.Span(ctx)
+	defer span.End()
+
+	// setup eventstore
+	err := multierr.Combine(
+		ev.Init(ctx),
+		event.Init(ctx),
+		diskstore.Init(ctx),
+		memstore.Init(ctx),
+	)
+	if err != nil {
+		span.RecordError(err)
+		return err
+	}
+
+	eventstore, err := ev.Open(
+		ctx,
+		env.Default("EV_DATA", "mem:"),
+		resolvelinks.New(),
+		streamer.New(ctx),
+		projecter.New(
+			ctx,
+			projecter.DefaultProjection,
+		),
+	)
+	if err != nil {
+		span.RecordError(err)
+		return err
+	}
+	svc.Add(eventstore)
+	svc.Add(&es.EventStore{EventStore: eventstore})
+
+	return nil
+})

cmd/ev/svc.gql.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/sour-is/ev/app/gql"
+	"github.com/sour-is/ev/internal/lg"
+	"github.com/sour-is/ev/pkg/gql/resolver"
+	"github.com/sour-is/ev/pkg/mux"
+	"github.com/sour-is/ev/pkg/service"
+	"github.com/sour-is/ev/pkg/slice"
+)
+
+var _ = apps.Register(90, func(ctx context.Context, svc *service.Harness) error {
+	ctx, span := lg.Span(ctx)
+	defer span.End()
+
+	span.AddEvent("Enable GraphQL")
+	gql, err := resolver.New(ctx, &gql.Resolver{}, slice.FilterType[resolver.IsResolver](svc.Services...)...)
+	if err != nil {
+		span.RecordError(err)
+		return err
+	}
+	svc.Add(gql, mux.RegisterHTTP(func(mux *http.ServeMux) {
+		mux.Handle("/", http.RedirectHandler("/playground", http.StatusTemporaryRedirect))
+	}))
+
+	return nil
+})

cmd/ev/svc.http.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"strings"
+
+	"github.com/rs/cors"
+	"github.com/sour-is/ev/internal/lg"
+	"github.com/sour-is/ev/pkg/env"
+	"github.com/sour-is/ev/pkg/mux"
+	"github.com/sour-is/ev/pkg/service"
+	"github.com/sour-is/ev/pkg/slice"
+)
+
+var _ = apps.Register(20, func(ctx context.Context, svc *service.Harness) error {
+	s := &http.Server{}
+	svc.Add(s)
+
+	mux := mux.New()
+	s.Handler = cors.AllowAll().Handler(mux)
+
+	s.Addr = env.Default("EV_HTTP", ":8080")
+	if strings.HasPrefix(s.Addr, ":") {
+		s.Addr = "[::]" + s.Addr
+	}
+	svc.OnStart(func(ctx context.Context) error {
+		_, span := lg.Span(ctx)
+		defer span.End()
+
+		log.Print("Listen on ", s.Addr)
+		span.AddEvent("begin listen and serve on " + s.Addr)
+
+		mux.Add(slice.FilterType[interface{ RegisterHTTP(*http.ServeMux) }](svc.Services...)...)
+		return s.ListenAndServe()
+	})
+	svc.OnStop(s.Shutdown)
+
+	return nil
+})

cmd/msgbus/app.msgbus.go

@@ -0,0 +1 @@
+../ev/app.msgbus.go

cmd/msgbus/main.go

@@ -0,0 +1 @@
+../ev/main.go

cmd/msgbus/svc.es.go

@@ -0,0 +1 @@
+../ev/svc.es.go

cmd/msgbus/svc.gql.go

@@ -0,0 +1 @@
+../ev/svc.gql.go

cmd/msgbus/svc.http.go

@@ -0,0 +1 @@
+../ev/svc.http.go

cmd/peers/app.peerfinder.go

@@ -0,0 +1 @@
+../ev/app.peerfinder.go

cmd/peers/main.go

@@ -0,0 +1 @@
+../ev/main.go

cmd/peers/svc.es.go

@@ -0,0 +1 @@
+../ev/svc.es.go

cmd/peers/svc.http.go

@@ -0,0 +1 @@
+../ev/svc.http.go

cmd/salty/app.msgbus.go

@@ -0,0 +1 @@
+../ev/app.msgbus.go

cmd/salty/app.salty.go

@@ -0,0 +1 @@
+../ev/app.salty.go

cmd/salty/main.go

@@ -0,0 +1 @@
+../ev/main.go

cmd/salty/svc.es.go

@@ -0,0 +1 @@
+../ev/svc.es.go

cmd/salty/svc.http.go

@@ -0,0 +1 @@
+../ev/svc.http.go