Issue: #126 - added ability to disable the HTTP server

src/cmd/root.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"github.com/f1bonacc1/process-compose/src/admitter"
 	"github.com/f1bonacc1/process-compose/src/api"
+	"github.com/f1bonacc1/process-compose/src/app"
 	"github.com/f1bonacc1/process-compose/src/config"
 	"github.com/f1bonacc1/process-compose/src/loader"
 	"github.com/rs/zerolog"
@@ -35,7 +36,7 @@ func run(cmd *cobra.Command, args []string) error {
 		_ = logFile.Close()
 	}()
 	runner := getProjectRunner([]string{}, false, "", []string{})
-	api.StartHttpServer(!*pcFlags.Headless, *pcFlags.PortNum, runner)
+	startHttpServerIfEnabled(!*pcFlags.Headless, runner)
 	runProject(runner)
 	return nil
 }
@@ -58,11 +59,12 @@ func init() {
 	nsAdmitter := &admitter.NamespaceAdmitter{}
 	opts.AddAdmitter(nsAdmitter)
 
-	rootCmd.Flags().BoolVarP(pcFlags.Headless, "tui", "t", *pcFlags.Headless, "enable TUI (-t=false) (env: "+config.TuiEnvVarName+")")
+	rootCmd.Flags().BoolVarP(pcFlags.Headless, "tui", "t", *pcFlags.Headless, "enable TUI (-t=false) (env: "+config.EnvVarNameTui+")")
+	rootCmd.PersistentFlags().BoolVar(pcFlags.NoServer, "no-server", *pcFlags.NoServer, "disable HTTP server (env: "+config.EnvVarNameNoServer+")")
 	rootCmd.Flags().BoolVarP(pcFlags.HideDisabled, "hide-disabled", "d", *pcFlags.HideDisabled, "hide disabled processes")
 	rootCmd.Flags().IntVarP(pcFlags.RefreshRate, "ref-rate", "r", *pcFlags.RefreshRate, "TUI refresh rate in seconds")
-	rootCmd.PersistentFlags().IntVarP(pcFlags.PortNum, "port", "p", *pcFlags.PortNum, "port number (env: "+config.PortEnvVarName+")")
-	rootCmd.Flags().StringArrayVarP(&opts.FileNames, "config", "f", config.GetConfigDefault(), "path to config files to load (env: "+config.ConfigEnvVarName+")")
+	rootCmd.PersistentFlags().IntVarP(pcFlags.PortNum, "port", "p", *pcFlags.PortNum, "port number (env: "+config.EnvVarNamePort+")")
+	rootCmd.Flags().StringArrayVarP(&opts.FileNames, "config", "f", config.GetConfigDefault(), "path to config files to load (env: "+config.EnvVarNameConfig+")")
 	rootCmd.Flags().StringArrayVarP(&nsAdmitter.EnabledNamespaces, "namespace", "n", nil, "run only specified namespaces (default all)")
 	rootCmd.PersistentFlags().StringVarP(pcFlags.LogFile, "log-file", "L", *pcFlags.LogFile, "Specify the log file path (env: "+config.LogPathEnvVarName+")")
 	rootCmd.Flags().AddFlag(commonFlags.Lookup("reverse"))
@@ -93,3 +95,9 @@ func setupLogger() *os.File {
 	zerolog.SetGlobalLevel(zerolog.DebugLevel)
 	return file
 }
+
+func startHttpServerIfEnabled(useLogger bool, runner *app.ProjectRunner) {
+	if !*pcFlags.NoServer {
+		api.StartHttpServer(useLogger, *pcFlags.PortNum, runner)
+	}
+}

src/cmd/run.go

@@ -2,9 +2,8 @@ package cmd
 
 import (
 	"fmt"
-	"os"
-	"github.com/f1bonacc1/process-compose/src/api"
 	"github.com/spf13/cobra"
+	"os"
 )
 
 // runCmd represents the up command
@@ -40,7 +39,7 @@ Command line arguments, provided after --, are passed to the PROCESS.`,
 			args,
 		)
 
-		api.StartHttpServer(false, *pcFlags.PortNum, runner)
+		startHttpServerIfEnabled(false, runner)
 		runProject(runner)
 	},
 }

src/cmd/up.go

@@ -2,7 +2,6 @@ package cmd
 
 import (
 	"github.com/f1bonacc1/process-compose/src/admitter"
-	"github.com/f1bonacc1/process-compose/src/api"
 	"github.com/spf13/cobra"
 )
 
@@ -15,7 +14,7 @@ If one or more process names are passed as arguments,
 will start them and their dependencies only`,
 	Run: func(cmd *cobra.Command, args []string) {
 		runner := getProjectRunner(args, *pcFlags.NoDependencies, "", []string{})
-		api.StartHttpServer(!*pcFlags.Headless, *pcFlags.PortNum, runner)
+		startHttpServerIfEnabled(!*pcFlags.Headless, runner)
 		runProject(runner)
 	},
 }

src/config/Flags.go

@@ -25,9 +25,10 @@ const (
 )
 
 const (
-	PortEnvVarName   = "PC_PORT_NUM"
-	TuiEnvVarName    = "PC_DISABLE_TUI"
-	ConfigEnvVarName = "PC_CONFIG_FILES"
+	EnvVarNamePort     = "PC_PORT_NUM"
+	EnvVarNameTui      = "PC_DISABLE_TUI"
+	EnvVarNameConfig   = "PC_CONFIG_FILES"
+	EnvVarNameNoServer = "PC_NO_SERVER"
 )
 
 // Flags represents PC configuration flags.
@@ -47,13 +48,14 @@ type Flags struct {
 	HideDisabled   *bool
 	SortColumn     *string
 	IsReverseSort  *bool
+	NoServer       *bool
 }
 
 // NewFlags returns new configuration flags.
 func NewFlags() *Flags {
 	return &Flags{
 		RefreshRate:    intPtr(DefaultRefreshRate),
-		Headless:       boolPtr(GetTuiDefault()),
+		Headless:       boolPtr(getTuiDefault()),
 		PortNum:        intPtr(getPortDefault()),
 		Address:        strPtr(DefaultAddress),
 		LogLength:      intPtr(DefaultLogLength),
@@ -65,6 +67,7 @@ func NewFlags() *Flags {
 		HideDisabled:   boolPtr(false),
 		SortColumn:     strPtr(DefaultSortColumn),
 		IsReverseSort:  boolPtr(false),
+		NoServer:       boolPtr(getNoServerDefault()),
 	}
 }
 

src/config/config.go

@@ -53,13 +53,18 @@ func GetLogFilePath() string {
 	return filepath.Join(os.TempDir(), fmt.Sprintf("process-compose%s%s.log", userName, mode()))
 }
 
-func GetTuiDefault() bool {
-	_, found := os.LookupEnv(TuiEnvVarName)
+func getTuiDefault() bool {
+	_, found := os.LookupEnv(EnvVarNameTui)
 	return !found
 }
 
+func getNoServerDefault() bool {
+	_, found := os.LookupEnv(EnvVarNameNoServer)
+	return found
+}
+
 func getPortDefault() int {
-	val, found := os.LookupEnv(PortEnvVarName)
+	val, found := os.LookupEnv(EnvVarNamePort)
 	if found {
 		port, err := strconv.Atoi(val)
 		if err != nil {
@@ -72,7 +77,7 @@ func getPortDefault() int {
 }
 
 func GetConfigDefault() []string {
-	val, found := os.LookupEnv(ConfigEnvVarName)
+	val, found := os.LookupEnv(EnvVarNameConfig)
 	if found {
 		return strings.Split(val, ",")
 	}