Allow to specify stack name as a parameter

handlers/new_session.go

@@ -27,6 +27,7 @@ func NewSession(rw http.ResponseWriter, req *http.Request) {
 
 	reqDur := req.Form.Get("session-duration")
 	stack := req.Form.Get("stack")
+	stackName := req.Form.Get("stack_name")
 
 	if stack != "" {
 		stack = formatStack(stack)
@@ -42,7 +43,7 @@ func NewSession(rw http.ResponseWriter, req *http.Request) {
 
 	}
 	duration := services.GetDuration(reqDur)
-	s, err := services.NewSession(duration, stack)
+	s, err := services.NewSession(duration, stack, stackName)
 	if err != nil {
 		log.Println(err)
 		//TODO: Return some error code

services/session.go

@@ -59,6 +59,7 @@ type Session struct {
 	PwdIpAddress string               `json:"pwd_ip_address"`
 	Ready        bool                 `json:"ready"`
 	Stack        string               `json:"stack"`
+	StackName    string               `json:"stack_name"`
 }
 
 type sessionBuilderWriter struct {
@@ -113,7 +114,7 @@ func (s *Session) DeployStack() error {
 
 	fileName := path.Base(s.Stack)
 	file := fmt.Sprintf("/var/run/pwd/uploads/%s", fileName)
-	cmd := fmt.Sprintf("docker swarm init --advertise-addr eth0 && docker-compose -f %s pull && docker stack deploy -c %s pwd", file, file)
+	cmd := fmt.Sprintf("docker swarm init --advertise-addr eth0 && docker-compose -f %s pull && docker stack deploy -c %s %s", file, file, s.StackName)
 
 	w := sessionBuilderWriter{session: s}
 	code, err := ExecAttach(i.Name, []string{"sh", "-c", cmd}, &w)
@@ -300,7 +301,7 @@ func GetDuration(reqDur string) time.Duration {
 	return defaultDuration
 }
 
-func NewSession(duration time.Duration, stack string) (*Session, error) {
+func NewSession(duration time.Duration, stack, stackName string) (*Session, error) {
 	s := &Session{}
 	s.Id = uuid.NewV4().String()
 	s.Instances = map[string]*Instance{}
@@ -310,6 +311,10 @@ func NewSession(duration time.Duration, stack string) (*Session, error) {
 		s.Ready = true
 	}
 	s.Stack = stack
+	if stackName == "" {
+		stackName = "pwd"
+	}
+	s.StackName = stackName
 	log.Printf("NewSession id=[%s]\n", s.Id)
 
 	// Schedule cleanup of the session

www/bypass.html

@@ -12,6 +12,7 @@
             <form id="welcomeFormBypass" method="POST" action="/">
                 <button id="start" type="submit">Start Session</button>
                 <input id="stack" type="hidden" name="stack" value=""/>
+                <input id="stack_name" type="hidden" name="stack_name" value=""/>
             </form>
         </div>
     </body>
@@ -37,5 +38,9 @@
         if (stack) {
             document.getElementById('stack').value = stack;
         }
+        var stackName = getParameterByName('stack_name');
+        if (stack) {
+            document.getElementById('stack_name').value = stackName;
+        }
     </script>
 </html>

www/welcome.html

@@ -15,6 +15,7 @@
                 <div id="recaptcha" class="g-recaptcha" data-callback="iAmHuman" data-sitekey="{{.}}"></div>
                 <input type="hidden" name="session-duration" value="4h"/>
                 <input id="stack" type="hidden" name="stack" value=""/>
+                <input id="stack_name" type="hidden" name="stack_name" value=""/>
                 <button id="create" style="display:none;">Create session</button>
             </form>
             <img src="/assets/large_h.png" />
@@ -38,6 +39,10 @@
             if (stack) {
                 document.getElementById('stack').value = stack;
             }
+            var stackName = getParameterByName('stack_name');
+            if (stack) {
+                document.getElementById('stack_name').value = stackName;
+            }
             if (document.cookie.indexOf('session_id') > -1) {
                 document.getElementById('create').style = "";
                 document.getElementById('recaptcha').style = "display:none;";