Implement and integrate TerminadoEvendHandler to docker container

Dockerfile

@@ -33,7 +33,7 @@ RUN curl -fSL -o pyenv-installer ${PYENV_INSTALLER_URL} &&\
     . $HOME/.pyenvrc &&\
     pyenv install ${PYTHON_VERSION} &&\
     pyenv global ${PYTHON_VERSION} &&\
-    pip install tornado pyzmq transitions
+    pip install tornado pyzmq transitions terminado
 
 USER root
 WORKDIR /data/
@@ -43,15 +43,17 @@ RUN yarn build --no-progress
 
 ENV TFW_WEB_PORT=4242
 ENV TFW_LOGIN_APP_PORT=6666
+ENV TFW_TERMINADO_PORT=7878
 ENV TFW_PUBLIC_PORT=8888
 ENV TFW_SUPERVISOR_HTTP_PORT=9001
 
-EXPOSE ${TFW_PUBLIC_PORT}
+EXPOSE ${TFW_PUBLIC_PORT} ${TFW_TERMINADO_PORT}
 
 ENV TFW_EVENT_HANDLERS_DIR="/opt/event_handlers"
 ENV TFW_APP_DIR="/srv/app"
 ENV TFW_FRONTEND_DIR="/srv/frontend"
 ENV TFW_LOGIN_APP_DIR="/tmp/source_code_server"
+ENV TFW_TERMINADO_DIR="/tmp/terminado_server"
 ENV TFW_LIB_DIR="/usr/local/lib/"
 
 ENV TFW_SUPERVISORD_CONF="/etc/supervisor/supervisord.conf"

lib/config/envvars.py

@@ -5,7 +5,9 @@ RECEIVER_PORT = os.getenv('RECEIVER_PORT', 8765)
 WEB_PORT = os.getenv('TFW_WEB_PORT', 4242)
 SUPERVISOR_HTTP_PORT = os.getenv('TFW_SUPERVISOR_PORT', 9001)
 LOGIN_APP_PORT= os.getenv('TFW_LOGIN_APP_PORT', 6666)
+TERMINADO_PORT= os.getenv('TFW_TERMINADO_PORT', 9999)
 
 SUPERVISOR_HTTP_URI = 'http://localhost:{}'.format(SUPERVISOR_HTTP_PORT)
 
 LOGIN_APP_DIR = os.getenv('TFW_LOGIN_APP_DIR')
+TERMINADO_DIR = os.getenv('TFW_TERMINADO_DIR')

src/event_handlers/event_handler_main.py

@@ -5,6 +5,7 @@ from functools import partial
 import source_code
 from event_handler_base import EventHandlerBase
 from source_code_event_handler import SourceCodeEventHandler
+from terminado_event_handler import TerminadoEventHandler
 from tornado.ioloop import IOLoop
 
 from login_component import authorize_login
@@ -86,5 +87,6 @@ if __name__ == '__main__':
     anchor_b = Rot13Handler('anchor_b')
     anchor_c = ReverseHandler('anchor_c')
     anchor_webide = SourceCodeEventHandler('anchor_webide', 'login_component.py', 'login')
+    anchor_terminado = TerminadoEventHandler('anchor_terminado', 'terminado')
     IOLoop.instance().start()
 

src/event_handlers/terminado_event_handler.py

@@ -1,33 +1,21 @@
-import logging
+from shutil import rmtree, copytree
+
 from event_handler_base import EventHandlerBase
-from tornado.ioloop import IOLoop
-from tornado.web import Application
-from terminado import TermSocket, SingleTermManager
+from util import SupervisorMixin
+from config import TERMINADO_DIR
 
 
-class CORSTermSocket(TermSocket):
-    def check_origin(self, origin):
-        return True
-
-
-class TerminadoEventHandler(EventHandlerBase):
-    def __init__(self, anchor, zmq_context=None):
+class TerminadoEventHandler(EventHandlerBase, SupervisorMixin):
+    def __init__(self, anchor, process_name, zmq_context=None):
         super().__init__(anchor, zmq_context)
+        self.working_directory = TERMINADO_DIR
+        self.process_name = process_name
+        self.setup_terminado_server()
+
+    def setup_terminado_server(self):
+        rmtree(self.working_directory, ignore_errors=True)
+        copytree('terminado_server/', self.working_directory)
+        self.supervisor.startProcess(self.process_name)
 
     def handle_event(self, anchor, data_json):
         raise NotImplementedError   # TODO: wat do?
-
-
-if __name__ == '__main__':
-    application = Application(
-        [(
-            r'/terminal',
-            CORSTermSocket,
-            {'term_manager': SingleTermManager(shell_command=['bash'])}
-        )]
-    )
-    HOST, PORT = 'localhost', 7878
-    application.listen(PORT, HOST)
-    logging.getLogger().setLevel(logging.DEBUG)
-    logging.info('Terminado Mini Server listening on {}:{}'.format(HOST, PORT))
-    IOLoop.instance().start()

src/event_handlers/terminado_server/server.py

@@ -0,0 +1,24 @@
+import logging
+from tornado.ioloop import IOLoop
+from tornado.web import Application
+from terminado import TermSocket, SingleTermManager
+
+from config import TERMINADO_PORT
+
+
+class CORSTermSocket(TermSocket):
+    def check_origin(self, origin):
+        return True
+
+if __name__ == '__main__':
+    application = Application(
+        [(
+            r'/terminal',
+            CORSTermSocket,
+            {'term_manager': SingleTermManager(shell_command=['bash'])}
+        )]
+    )
+    application.listen(TERMINADO_PORT)
+    logging.getLogger().setLevel(logging.DEBUG)
+    logging.info('Terminado Mini Server listening on {}'.format(TERMINADO_PORT))
+    IOLoop.instance().start()

supervisord.conf

@@ -29,6 +29,11 @@ directory=%(ENV_TFW_LOGIN_APP_DIR)s
 command=env python server.py
 autostart=false
 
+[program:terminado]
+directory=%(ENV_TFW_TERMINADO_DIR)s
+command=env python server.py
+autostart=false
+
 [program:nginx]
 command=/usr/sbin/nginx -g 'daemon off;'
 autostart=true