v0.1.11

app.go

@@ -12,7 +12,7 @@ type ActiveFile struct {
 	RO      bool
 	Path    string
 	Name    string
-	Action  string
+	Cmd     string
 	Content string
 	Order   int
 }
@@ -100,7 +100,7 @@ func (cui *ConfigUI) App(w http.ResponseWriter, r *http.Request) {
 		}
 	} else {
 		tmp, err = file.Read()
-		data.File.Action = file.Action
+		data.File.Cmd = file.Cmd
 		data.File.Name = file.Name
 		if file.Lang != "" {
 			data.Editor.Lang = file.Lang

configui.go

@@ -19,7 +19,7 @@ import (
 var UNIX_SHELL = "sh"
 var WIN_SHELL = "cmd"
 
-const version = "v0.1.10"
+const version = "v0.1.11"
 
 //go:embed templates
 var tmplFS embed.FS
@@ -36,12 +36,15 @@ var Ext2Mode map[string]string = map[string]string{
 type Action struct {
 	Name string        `json:"name"`
 	Cmd  string        `json:"cmd"`
+	run  chan struct{} `json:"-"`
+	pid  int           `json:"-"`
 }
 
 type Integration struct {
 	Name        string                 `json:"name"`
 	Description string                 `json:"description"`
 	Cmd         func() (string, error) `json:"-"`
+	run         chan struct{}          `json:"-"`
 }
 
 type ConfigUI struct {
@@ -136,6 +139,12 @@ func (cui *ConfigUI) LoadConfig(confstr string) error {
 		}
 		f.owner = cui
 		tmpIndex[f.Name] = i
+
+		// deprecated fix
+		if f.Cmd == "" && f.Action != "" {
+			f.Cmd = f.Action
+			f.Action = ""
+		}
 	}
 
 	// copy

file.go

@@ -1,7 +1,9 @@
 package configui
 
 import (
+	"bytes"
 	"errors"
+	"fmt"
 	"os"
 	"os/exec"
 	"runtime"
@@ -12,7 +14,7 @@ import (
 type File struct {
 	Path string `json:"path"`
 	Name string `json:"name"`
-	Action string `json:"action"`
+	Cmd  string `json:"cmd"`
 	// RO is readonly
 	RO   bool   `json:"ro"`
 	Lang string `json:"lang"`
@@ -25,6 +27,11 @@ type File struct {
 
 	lock  sync.RWMutex  `json:"-"`
 	owner *ConfigUI     `json:"-"`
+	run   chan struct{} `json:"-"`
+	pid   int           `json:"-"`
+
+	// deprecated
+	Action string `json:"action,omitempty"`
 }
 
 func (f *File) Read() ([]byte, error) {
@@ -52,26 +59,42 @@ func (f *File) Write(data []byte) error {
 }
 
 func (f *File) Do(CmdTimeout time.Duration) (string, error) {
-	if f.Action == "" {
+	if f.Cmd == "" {
 		return "", nil
 	}
 	f.lock.RLock()
 	defer f.lock.RUnlock()
+
+	// limit running instance to 1
+	if cap(f.run) == 0 {
+		f.run = make(chan struct{}, 1)
+	}
+	select {
+	case f.run <- struct{}{}:
+		defer func() { <-f.run }()
+	default:
+		f.owner.log.Error("task is running: ", f.Name)
+		return "", fmt.Errorf("another task of %s is running with pid: %d", f.Name, f.pid)
+	}
+
+	// prepare cmd
 	cmd := &exec.Cmd{}
 	if runtime.GOOS == "windows" {
-		cmd = exec.Command(WIN_SHELL, "/c", f.Action)
+		cmd = exec.Command(WIN_SHELL, "/c", f.Cmd)
 	} else {
-		cmd = exec.Command(UNIX_SHELL, "-c", f.Action)
+		cmd = exec.Command(UNIX_SHELL, "-c", f.Cmd)
 	}
-	f.owner.log.Info("DO: ", f.Action)
+	f.owner.log.Info("DO: ", f.Cmd)
 	done := make(chan string, 1)
 	go func() {
-		out, _ := cmd.CombinedOutput()
-		// real cmd err is unhandled, but passed to client
-		// if err != nil {
-		// 	return string(out), err
-		// }
-		done <- string(out)
+
+		var b bytes.Buffer
+		cmd.Stdout = &b
+		cmd.Stderr = &b
+		cmd.Start()
+		f.pid = cmd.Process.Pid
+		cmd.Wait()
+		done <- b.String()
 	}()
 	select {
 	case <-time.After(CmdTimeout):

go.mod

@@ -3,7 +3,7 @@ module kumoly.io/tools/configui
 go 1.17
 
 require (
-	kumoly.io/lib/klog v0.0.5
+	kumoly.io/lib/klog v0.0.8
 	kumoly.io/lib/ksrv v0.0.1
 )
 

go.sum

@@ -3,9 +3,8 @@ github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27k
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211103235746-7861aae1554b h1:1VkfZQv42XQlA/jchYumAnv1UPo6RgF9rJFkTgZIxO4=
 golang.org/x/sys v0.0.0-20211103235746-7861aae1554b/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-kumoly.io/lib/klog v0.0.4 h1:Ev9G/zvLt/C8Q1yWfYoUcXVJWgPMjpqHPat2WKyOPIM=
 kumoly.io/lib/klog v0.0.4/go.mod h1:Snm+c1xRrh/RbXsxQf7UGYbAJGPcIa6bEEN+CmzJh7M=
-kumoly.io/lib/klog v0.0.5 h1:8Z2FYpW01gxt2gbRJNag8f8KSsfd1pRleQTPJvoR8Zc=
-kumoly.io/lib/klog v0.0.5/go.mod h1:Snm+c1xRrh/RbXsxQf7UGYbAJGPcIa6bEEN+CmzJh7M=
+kumoly.io/lib/klog v0.0.8 h1:6hTfDlZh7KGnPrd2tUrauCKRImSnyyN9DHXpey3Czn8=
+kumoly.io/lib/klog v0.0.8/go.mod h1:Snm+c1xRrh/RbXsxQf7UGYbAJGPcIa6bEEN+CmzJh7M=
 kumoly.io/lib/ksrv v0.0.1 h1:JfWwJ9GeiTtDfGoeG7YxJwsckralbhsLKEPLQb20Uzo=
 kumoly.io/lib/ksrv v0.0.1/go.mod h1:ykHXeAPjNvA5jEZo5rp32edzkugLf0e+2pspct3FOFQ=

handler.go

@@ -8,6 +8,7 @@ import (
 	"os"
 	"path/filepath"
 	"strconv"
+	"time"
 
 	"kumoly.io/lib/ksrv"
 )
@@ -38,7 +39,7 @@ func (cui *ConfigUI) GetFile(w http.ResponseWriter, r *http.Request) {
 	response, err := json.Marshal(map[string]string{
 		"path":  file.Path,
 		"name":  file.Name,
-		"action": file.Action,
+		"cmd":   file.Cmd,
 		"data":  string(data),
 		"delta": strconv.Itoa(int(stat.Size())),
 	})
@@ -82,7 +83,7 @@ func (cui *ConfigUI) GetDelta(w http.ResponseWriter, r *http.Request) {
 	response, err := json.Marshal(map[string]string{
 		"path":  file.Path,
 		"name":  file.Name,
-		"action": file.Action,
+		"cmd":   file.Cmd,
 		"data":  string(buf),
 		"delta": strconv.Itoa(int(stat.Size())),
 	})
@@ -130,9 +131,25 @@ func (cui *ConfigUI) Apply(w http.ResponseWriter, r *http.Request) {
 
 func (cui *ConfigUI) DoAction(w http.ResponseWriter, r *http.Request) {
 	name := r.URL.Query().Get("name")
-	for _, v := range cui.Actions {
+	for i, v := range cui.Actions {
 		if v.Name == name {
+
+			// limit running instance to one
+			if cap(cui.Actions[i].run) != 1 {
+				cui.Actions[i].run = make(chan struct{}, 1)
+			}
+			select {
+			case cui.Actions[i].run <- struct{}{}:
+				defer func() { <-cui.Actions[i].run }()
+			default:
+				panic(fmt.Errorf("another task of %s is running with pid: %d", name, v.pid))
+			}
+
 			file := &File{Name: name, Action: v.Cmd, owner: cui}
+			go func() {
+				<-time.After(time.Millisecond * 10)
+				cui.Actions[i].pid = file.pid
+			}()
 			result, err := file.Do(cui.cmdTimeout)
 			if err != nil {
 				panic(err)
@@ -146,8 +163,20 @@ func (cui *ConfigUI) DoAction(w http.ResponseWriter, r *http.Request) {
 
 func (cui *ConfigUI) DoIntegration(w http.ResponseWriter, r *http.Request) {
 	name := r.URL.Query().Get("name")
-	for _, v := range cui.Integrations {
+	for i, v := range cui.Integrations {
 		if v.Name == name {
+
+			// limit running instance to one
+			if cap(cui.Integrations[i].run) != 1 {
+				cui.Integrations[i].run = make(chan struct{}, 1)
+			}
+			select {
+			case cui.Integrations[i].run <- struct{}{}:
+				defer func() { <-cui.Integrations[i].run }()
+			default:
+				panic(fmt.Errorf("another task of %s is running", name))
+			}
+
 			result, err := v.Cmd()
 			if err != nil {
 				panic(err)

templates/components/error.tmpl

@@ -1,6 +1,6 @@
 {{define "components/error"}}
 <div class="notification is-danger {{if not .Error}}is-hidden{{end}}" id="error_view">
-  <button class="delete" onclick="ErrorTog()"></button>
+  <button class="delete" onclick="ErrorClose()"></button>
   <p id="err_msg">{{.Error}}</p>
 </div>
 <script>
@@ -8,10 +8,18 @@ function ErrorTog(){
   let el = document.getElementById('error_view');
   el.classList.toggle('is-hidden');
 }
+function ErrorOpen(){
+  let el = document.getElementById('error_view');
+  el.classList.remove('is-hidden');
+}
+function ErrorClose(){
+  let el = document.getElementById('error_view');
+  el.classList.add('is-hidden');
+}
 function ShowError(msg){
   let el = document.getElementById('err_msg');
   el.innerHTML = msg;
-  ErrorTog();
+  ErrorOpen();
 }
 </script>
 {{end}}

templates/components/menu.tmpl

@@ -21,7 +21,7 @@
     <ul class="menu-list">
       <li>
         <a class="has-tooltip-arrow {{if eq .File.Name .AppName }}is-active{{end}}"
-          data-tooltip="{{$.File.Path}}"
+          data-tooltip="Configuration"
           href="{{.BaseUrl}}"
         >Config</a></li>
     </ul>

templates/components/result.tmpl

@@ -7,7 +7,7 @@
       <button class="delete" aria-label="close" onclick="ResultViewTog()"></button>
     </header>
     <section class="modal-card-body">
-      <p class="title">{{.File.Action}}</p>
+      <p class="title">{{.File.Cmd}}</p>
       <p class="subtitle">{{.File.Path}}</p>
       <div id="result_editor"></div>
     </section>

templates/components/toolbar.tmpl

@@ -91,10 +91,10 @@
           {{end}}
         </p>
       {{end}}
-      {{if .File.Action}}
+      {{if .File.Cmd}}
       <p class="control">
         <button class="button is-small has-tooltip-arrow"
-          data-tooltip="{{.File.Action}}"
+          data-tooltip="{{.File.Cmd}}"
           onclick="toolApply()">
           <span class="icon is-small"><span class="material-icons"id="toolApplyIco">
             play_arrow