Moved code of commands to their main package

- add init code to reduce code duplication of connection setup

.goreleaser.yml

@@ -7,7 +7,7 @@ before:
 builds:
   - id: "inetmock"
     binary: inetmock
-    main: ./cmd/inetmock/main.go
+    main: ./cmd/inetmock/
     ldflags:
       - -w -s
     env:
@@ -19,7 +19,7 @@ builds:
       - amd64
   - id: "imctl"
     binary: imctl
-    main: ./cmd/imctl/main.go
+    main: ./cmd/imctl/
     ldflags:
       - -w -s
     goos:
@@ -65,7 +65,7 @@ release:
     name: inetmock
 
 dockers:
-  - binaries:
+  - ids:
       - inetmock
       - imctl
     image_templates:

cmd/imctl/audit_file.go

@@ -1,4 +1,4 @@
-package cmd
+package main
 
 import (
 	"context"
@@ -43,13 +43,6 @@ func runAddFile(_ *cobra.Command, args []string) (err error) {
 }
 
 func runRemoveFile(_ *cobra.Command, args []string) (err error) {
-	var conn *grpc.ClientConn
-
-	if conn, err = grpc.Dial(inetMockSocketPath, grpc.WithInsecure()); err != nil {
-		fmt.Printf("Failed to connecto INetMock socket: %v\n", err)
-		os.Exit(10)
-	}
-
 	auditClient := rpc.NewAuditClient(conn)
 	ctx, cancel := context.WithTimeout(appCtx, grpcTimeout)
 	defer cancel()

cmd/imctl/audit_watch.go

@@ -1,4 +1,4 @@
-package cmd
+package main
 
 import (
 	"encoding/json"
@@ -8,7 +8,6 @@ import (
 	"github.com/spf13/cobra"
 	"gitlab.com/inetmock/inetmock/internal/rpc"
 	"gitlab.com/inetmock/inetmock/pkg/audit"
-	"google.golang.org/grpc"
 )
 
 var (
@@ -27,13 +26,6 @@ var (
 )
 
 func watchAuditEvents(_ *cobra.Command, _ []string) (err error) {
-	var conn *grpc.ClientConn
-
-	if conn, err = grpc.Dial(inetMockSocketPath, grpc.WithInsecure()); err != nil {
-		fmt.Printf("Failed to connecto INetMock socket: %v\n", err)
-		os.Exit(10)
-	}
-
 	auditClient := rpc.NewAuditClient(conn)
 
 	var watchClient rpc.Audit_WatchEventsClient

cmd/imctl/cli.go

@@ -1,4 +1,4 @@
-package cmd
+package main
 
 import (
 	"context"
@@ -10,12 +10,16 @@ import (
 
 	"github.com/google/uuid"
 	"github.com/spf13/cobra"
+	"google.golang.org/grpc"
 )
 
 var (
 	cliCmd = &cobra.Command{
 		Use:   "",
 		Short: "IMCTL is the CLI app to interact with an INetMock server",
+		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
+			return initGRPCConnection()
+		},
 	}
 
 	inetMockSocketPath string
@@ -23,6 +27,7 @@ var (
 	grpcTimeout        time.Duration
 	appCtx             context.Context
 	appCancel          context.CancelFunc
+	conn               *grpc.ClientConn
 )
 
 func init() {
@@ -33,8 +38,7 @@ func init() {
 	cliCmd.AddCommand(endpointsCmd, handlerCmd, healthCmd, auditCmd)
 	endpointsCmd.AddCommand(getEndpoints)
 	handlerCmd.AddCommand(getHandlersCmd)
-	healthCmd.AddCommand(generalHealthCmd)
-	healthCmd.AddCommand(containerHealthCmd)
+	healthCmd.AddCommand(generalHealthCmd, containerHealthCmd)
 
 	currentUser := ""
 	if usr, err := user.Current(); err == nil {
@@ -50,25 +54,22 @@ func init() {
 		"set listener name - defaults to the current username, if the user cannot be determined a random UUID will be used",
 	)
 	auditCmd.AddCommand(watchEventsCmd, addFileCmd, removeFileCmd)
-
-	appCtx, appCancel = initAppContext()
 }
 
-func ExecuteClientCommand() error {
-	defer appCancel()
-	return cliCmd.Execute()
-}
-
-func initAppContext() (context.Context, context.CancelFunc) {
-	ctx, cancel := context.WithCancel(context.Background())
+func initGRPCConnection() (err error) {
+	appCtx, appCancel = context.WithCancel(context.Background())
 
 	signals := make(chan os.Signal, 1)
 	signal.Notify(signals, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
 
 	go func() {
 		<-signals
-		cancel()
+		appCancel()
 	}()
 
-	return ctx, cancel
+	dialCtx, cancel := context.WithTimeout(appCtx, grpcTimeout)
+	conn, err = grpc.DialContext(dialCtx, inetMockSocketPath, grpc.WithInsecure())
+	cancel()
+
+	return
 }

cmd/imctl/endpoints.go

@@ -1,4 +1,4 @@
-package cmd
+package main
 
 import (
 	"context"
@@ -8,7 +8,6 @@ import (
 	"github.com/spf13/cobra"
 	"gitlab.com/inetmock/inetmock/internal/format"
 	"gitlab.com/inetmock/inetmock/internal/rpc"
-	"google.golang.org/grpc"
 )
 
 var (
@@ -51,12 +50,6 @@ func fromEndpoints(eps []*rpc.Endpoint) (out []*printableEndpoint) {
 }
 
 func runGetEndpoints(_ *cobra.Command, _ []string) (err error) {
-	var conn *grpc.ClientConn
-
-	if conn, err = grpc.Dial(inetMockSocketPath, grpc.WithInsecure()); err != nil {
-		fmt.Printf("Failed to connecto INetMock socket: %v\n", err)
-		os.Exit(10)
-	}
 	endpointsClient := rpc.NewEndpointsClient(conn)
 	ctx, cancel := context.WithTimeout(context.Background(), grpcTimeout)
 	defer cancel()

cmd/imctl/handlers.go

@@ -1,4 +1,4 @@
-package cmd
+package main
 
 import (
 	"context"
@@ -8,7 +8,6 @@ import (
 	"github.com/spf13/cobra"
 	"gitlab.com/inetmock/inetmock/internal/format"
 	"gitlab.com/inetmock/inetmock/internal/rpc"
-	"google.golang.org/grpc"
 )
 
 var (
@@ -39,15 +38,11 @@ func fromHandlers(hs []string) (handlers []*printableHandler) {
 }
 
 func runGetHandlers(_ *cobra.Command, _ []string) {
-	var err error
-	var conn *grpc.ClientConn
-
-	if conn, err = grpc.Dial(inetMockSocketPath, grpc.WithInsecure()); err != nil {
-		fmt.Printf("Failed to connecto INetMock socket: %v\n", err)
-		os.Exit(10)
-	}
 	handlersClient := rpc.NewHandlersClient(conn)
-	ctx, _ := context.WithTimeout(context.Background(), grpcTimeout)
+
+	ctx, cancel := context.WithTimeout(appCtx, grpcTimeout)
+	defer cancel()
+	var err error
 	var handlersResp *rpc.GetHandlersResponse
 
 	if handlersResp, err = handlersClient.GetHandlers(ctx, &rpc.GetHandlersRequest{}); err != nil {

cmd/imctl/health.go

@@ -1,4 +1,4 @@
-package cmd
+package main
 
 import (
 	"context"
@@ -8,7 +8,6 @@ import (
 	"github.com/spf13/cobra"
 	"gitlab.com/inetmock/inetmock/internal/format"
 	"gitlab.com/inetmock/inetmock/internal/rpc"
-	"google.golang.org/grpc"
 )
 
 var (
@@ -55,15 +54,10 @@ func fromComponentsHealth(componentsHealth map[string]*rpc.ComponentHealth) (com
 }
 
 func getHealthResult() (healthResp *rpc.HealthResponse, err error) {
-	var conn *grpc.ClientConn
-
-	if conn, err = grpc.Dial(inetMockSocketPath, grpc.WithInsecure()); err != nil {
-		return
-	}
-
 	var healthClient = rpc.NewHealthClient(conn)
-	ctx, _ := context.WithTimeout(context.Background(), grpcTimeout)
+	ctx, cancel := context.WithTimeout(context.Background(), grpcTimeout)
 	healthResp, err = healthClient.GetHealth(ctx, &rpc.HealthRequest{})
+	cancel()
 	return
 }
 

cmd/imctl/main.go

@@ -1,9 +1,8 @@
 package main
 
-import "gitlab.com/inetmock/inetmock/internal/cmd"
-
 func main() {
-	if err := cmd.ExecuteClientCommand(); err != nil {
+	defer appCancel()
+	if err := cliCmd.Execute(); err != nil {
 		panic(err)
 	}
 }

cmd/inetmock/ca.go

@@ -1,4 +1,4 @@
-package cmd
+package main
 
 import (
 	"crypto/tls"

cmd/inetmock/main.go

@@ -1,14 +1,47 @@
 package main
 
 import (
-	"gitlab.com/inetmock/inetmock/internal/cmd"
+	"fmt"
+	"os"
+
+	"gitlab.com/inetmock/inetmock/internal/app"
+	"gitlab.com/inetmock/inetmock/internal/endpoint/handler/dns/mock"
 	_ "gitlab.com/inetmock/inetmock/internal/endpoint/handler/dns/mock"
 	_ "gitlab.com/inetmock/inetmock/internal/endpoint/handler/http/mock"
+	mock2 "gitlab.com/inetmock/inetmock/internal/endpoint/handler/http/mock"
+	"gitlab.com/inetmock/inetmock/internal/endpoint/handler/http/proxy"
 	_ "gitlab.com/inetmock/inetmock/internal/endpoint/handler/http/proxy"
+	"gitlab.com/inetmock/inetmock/internal/endpoint/handler/metrics"
 	_ "gitlab.com/inetmock/inetmock/internal/endpoint/handler/metrics"
+	"gitlab.com/inetmock/inetmock/internal/endpoint/handler/tls/interceptor"
 	_ "gitlab.com/inetmock/inetmock/internal/endpoint/handler/tls/interceptor"
+	"go.uber.org/zap"
+)
+
+var (
+	server app.App
 )
 
 func main() {
-	cmd.ExecuteServerCommand()
+	logger, _ := zap.NewProduction()
+	defer func() {
+		if err := logger.Sync(); err != nil {
+			fmt.Println(err.Error())
+		}
+	}()
+
+	var err error
+	if server, err = app.NewApp(
+		mock2.AddHTTPMock,
+		mock.AddDNSMock,
+		interceptor.AddTLSInterceptor,
+		proxy.AddHTTPProxy,
+		metrics.AddMetricsExporter,
+	); err != nil {
+		fmt.Println(err.Error())
+		os.Exit(1)
+	}
+	server.
+		WithCommands(serveCmd, generateCaCmd).
+		MustRun()
 }

cmd/inetmock/serve.go

@@ -1,4 +1,4 @@
-package cmd
+package main
 
 import (
 	"strings"

internal/cmd/server.go

@@ -1,34 +0,0 @@
-package cmd
-
-import (
-	"fmt"
-	"os"
-
-	"gitlab.com/inetmock/inetmock/internal/app"
-	"gitlab.com/inetmock/inetmock/internal/endpoint/handler/dns/mock"
-	mock2 "gitlab.com/inetmock/inetmock/internal/endpoint/handler/http/mock"
-	"gitlab.com/inetmock/inetmock/internal/endpoint/handler/http/proxy"
-	"gitlab.com/inetmock/inetmock/internal/endpoint/handler/metrics"
-	"gitlab.com/inetmock/inetmock/internal/endpoint/handler/tls/interceptor"
-)
-
-var (
-	server app.App
-)
-
-func ExecuteServerCommand() {
-	var err error
-	if server, err = app.NewApp(
-		mock2.AddHTTPMock,
-		mock.AddDNSMock,
-		interceptor.AddTLSInterceptor,
-		proxy.AddHTTPProxy,
-		metrics.AddMetricsExporter,
-	); err != nil {
-		fmt.Println(err.Error())
-		os.Exit(1)
-	}
-	server.
-		WithCommands(serveCmd, generateCaCmd).
-		MustRun()
-}

pkg/audit/options.go

@@ -12,8 +12,8 @@ const (
 )
 
 var (
+	defaultDistributeParallelization int
 	generatorIdx                     int64 = 1
-	defaultDistributeParallelization       = runtime.NumCPU() / 2
 	WithBufferSize                         = func(bufferSize int) EventStreamOption {
 		return func(cfg *eventStreamCfg) {
 			cfg.bufferSize = bufferSize
@@ -44,6 +44,12 @@ var (
 	}
 )
 
+func init() {
+	if defaultDistributeParallelization = runtime.NumCPU() / 2; defaultDistributeParallelization < 2 {
+		defaultDistributeParallelization = 2
+	}
+}
+
 type EventStreamOption func(cfg *eventStreamCfg)
 
 type eventStreamCfg struct {