First commit

.gitignore

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+/matlabhub/config.yml
+/build/
+/matlabhub.egg-info/

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

.idea/inspectionProfiles/Project_Default.xml

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+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyPackageRequirementsInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ignoredPackages">
+        <value>
+          <list size="14">
+            <item index="0" class="java.lang.String" itemvalue="os" />
+            <item index="1" class="java.lang.String" itemvalue="multiprocessing" />
+            <item index="2" class="java.lang.String" itemvalue="sys" />
+            <item index="3" class="java.lang.String" itemvalue="pickle" />
+            <item index="4" class="java.lang.String" itemvalue="re" />
+            <item index="5" class="java.lang.String" itemvalue="collections" />
+            <item index="6" class="java.lang.String" itemvalue="functools" />
+            <item index="7" class="java.lang.String" itemvalue="inspect" />
+            <item index="8" class="java.lang.String" itemvalue="json" />
+            <item index="9" class="java.lang.String" itemvalue="javabridge" />
+            <item index="10" class="java.lang.String" itemvalue="time" />
+            <item index="11" class="java.lang.String" itemvalue="skimage" />
+            <item index="12" class="java.lang.String" itemvalue="yaml" />
+            <item index="13" class="java.lang.String" itemvalue="pytest-runner" />
+          </list>
+        </value>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/matlabhub.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/build" />
+      <excludeFolder url="file://$MODULE_DIR$/matlabhub.egg-info" />
+    </content>
+    <orderEntry type="jdk" jdkName="Python 3.10" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10" project-jdk-type="Python SDK" />
+  <component name="PyCharmProfessionalAdvertiser">
+    <option name="shown" value="true" />
+  </component>
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/matlabhub.iml" filepath="$PROJECT_DIR$/.idea/matlabhub.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

README.md

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+# Matlab Hub
+
+Start proxied matlab instances from a webpage using Nginx.
+
+## Preequisites
+
+Linux with Matlab and Python3
+
+## Installation
+
+make matlabhub/config.py:
+
+    license_file: 'path_to_license.lic'
+    port_range: [10000, 65536]
+
+install:
+
+    sudo apt install nginx screen
+    sudo pip install matlabhub
+    sudo cp matlab /etc/nginx/sites-available/
+    sudo ln -s /etc/nginx/sites-available/matlab /etc/nginx/sites-enabled/matlab
+    sudo cp matlab.service /lib/systemd/system/
+    sudo systemctl daemon-reload
+    sudo systemctl enable nginx
+    sudo systemctl enable matlab
+    sudo service nginx start
+    sudo service matlab start
+
+## Configuration
+
+Change the user, path to the socket file and the port (default: 8585) in matlab and matlab.service.
+
+## Usage
+
+Browse to http://127.0.0.1:8585

matlab

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+# nginx configuration
+
+server {
+	listen 8585 default_server;
+	listen [::]:8585 default_server;
+
+	root /var/www/html;
+
+	index index.html;
+
+	server_name _;
+
+	location ~ ^/([0-9]+) {
+		proxy_set_header Host '127.0.0.1';
+		proxy_pass http://127.0.0.1:$1;
+	}
+
+	location / {
+		include proxy_params;
+		proxy_pass http://unix:/tmp/matlabhub.sock;
+	}
+}
+

matlab.service

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+[Unit]
+Description=Matlab web server
+After=network-online.target firewalld.service
+Wants=network-online.target
+
+[Service]
+User=matlab-user
+Type=simple
+ExecStart=/usr/local/bin/gunicorn --bind unix:/tmp/matlabhub.sock matlabhub.wsgi:application
+ExecStop=/bin/kill -s STOP $MAINPID
+ExecReload=/bin/kill -s HUP $MAINPID
+TimeoutSec=0
+RestartSec=2
+Restart=always
+
+[Install]
+WantedBy=multi-user.target

matlabhub/app.py

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+#!/usr/bin/env python3.10
+
+import os
+import sys
+import re
+import socket
+import subprocess
+import random
+import yaml
+from flask import Flask, redirect, render_template, request
+from time import sleep
+
+with open(os.path.join(os.path.dirname(__file__), 'config.yml')) as conf_file:
+    config = yaml.safe_load(conf_file)
+
+
+def is_port_in_use(port):
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+        return s.connect_ex(('127.0.0.1', port)) == 0
+
+
+class Matlab:
+    def __init__(self, port, group=None):
+        self.port = int(port)
+        self.group = group
+        self.screen_name = f'matlab_{port}' if group is None else f'matlab_{group}_{port}'
+
+    def start(self):
+        command = f'screen -S {self.screen_name} -d -m env MWI_BASE_URL="/{self.port}" ' \
+                  f'MWI_APP_PORT={self.port} MLM_LICENSE_FILE={config["license_file"]} matlab-proxy-app'
+        subprocess.Popen(command, shell=True, start_new_session=True)
+
+    def stop(self):
+        subprocess.run(f"screen -S {self.screen_name} -X stuff '^C'", shell=True)
+
+
+class Hub(dict):
+    def __init__(self):
+        super().__init__()
+        self.update({matlab.port: matlab for matlab in self.find_running()})
+
+
+    def find_running(self):
+        p = subprocess.run('screen -list', shell=True, capture_output=True)
+        return [Matlab(port, group) for group, port in re.findall(r'\.matlab_([^_]+)_(\d+)', str(p.stdout))]
+
+    def new(self, group=None):
+        group = re.escape(re.sub(r'[^\w]|_', '', group))
+        ports = list(range(*config['port_range']))
+        random.shuffle(ports)
+        for port in ports:
+            if port not in self and not is_port_in_use(port):
+                self[port] = Matlab(port, group)
+                self[port].start()
+                sleep(5)
+                return redirect(f'/{port}')
+
+    def stop(self, port):
+        self.pop(port).stop()
+
+    def get_groups(self):
+        return list(set(matlab.group for matlab in self.values()))
+
+    def get_ports(self, group=None):
+        return [matlab.port for matlab in self.values() if matlab.group == group]
+
+
+sys.argv = sys.argv[:1]
+hub = Hub()
+app = Flask(__name__)
+
+
+@app.route('/')
+def index():
+    return redirect('/default')
+
+
+@app.route('/<group>')
+def group(group):
+    return render_template('index.html', ports=hub.get_ports(group), groups=hub.get_groups(), group=group)
+
+
+@app.route('/<group>/start/new')
+def group_start_new(group):
+    return hub.new(group)
+
+
+@app.route('/<group>', methods=['POST'])
+def start_new_post(group):
+    return hub.new(request.form['group'])
+
+
+@app.route('/<group>/stop/<port>')
+def stop(group, port):
+    hub.stop(int(port))
+    return redirect(f'/{group}')

matlabhub/templates/index.html

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+<!doctype html>
+<html lang="en">
+    <head>
+        <style>
+            .block {
+                padding: 5px;
+                margin: 5px;
+                display: inline-block;
+                border: 5px solid #193f6f;
+                text-align: center;
+                }
+        </style>
+        <title>Matlab Hub</title>
+    </head>
+    <body>
+        <div class="block" align="center">
+            <h1>Matlab Hub</h1>
+            <br />
+            <h4>Start new matlab in group:</h4>
+            <form method="POST" target="_blank">
+                <input name="group" value="{{group}}">
+                <input type="submit" value="start">
+            </form>
+            <br />
+            <h4>Groups:</h4>
+            {% for group in groups %}
+                <a href="/{{group}}">{{group}}</a><br />
+            {% endfor %}
+            <h4>Matlabs in group {{group}}:</h4>
+            {% for port in ports %}
+                <a href="/{{port}}" target="_blank">{{port}}</a> <a href="/{{group}}/stop/{{port}}">stop</a><br />
+            {% endfor %}
+            <br />
+            <a href="https://github.com/wimpomp/matlabhub">Matlab Hub</a> by Wim Pomp
+        </div>
+    </body>
+</html>

matlabhub/wsgi.py

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+import os
+import sys
+from matlabhub.app import app as application

setup.py

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+import setuptools
+
+with open('README.md', 'r') as fh:
+    long_description = fh.read()
+
+setuptools.setup(
+    name='matlabhub',
+    version='2022.7.0',
+    author='Wim Pomp @ Lenstra lab NKI',
+    author_email='w.pomp@nki.nl',
+    description='matlabhub',
+    long_description=long_description,
+    long_description_content_type='text/markdown',
+    url='https://github.com/wimpomp/matlabhub',
+    packages=['matlabhub'],
+    classifiers=[
+        'Programming Language :: Python :: 3',
+        'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
+        'Operating System :: OS Independent',
+    ],
+    python_requires='>=3.8',
+    install_requires=['matlab-proxy', 'flask'],
+    entry_points={'console_scripts': ['matlabhub=matlabhub:main'], },
+    package_data={'': ['templates/*', 'config.yml']},
+    include_package_data=True,
+)