Fixing name resolution and Docker image.

open_webui.sh

+# this script opens the webui
+
+WEBUI_PROTO=`kubectl get service/webuiservice -n tf-dev -o jsonpath='{.spec.ports[0].name}'`
+WEBUI_IP=`kubectl get service/webuiservice -n tf-dev -o jsonpath='{.spec.clusterIP}'`
+WEBUI_PORT=`kubectl get service/webuiservice -n tf-dev -o jsonpath='{.spec.ports[0].port}'`
+URL=${WEBUI_PROTO}://${WEBUI_IP}:${WEBUI_PORT}
+
+echo Opening web UI on URL ${URL}
+
+# curl -kL ${URL}
+
+python3 -m webbrowser ${URL}
\ No newline at end of file

src/webui/Config.py

@@ -2,7 +2,7 @@ import os
 import logging
 
 # General settings
-LOG_LEVEL = logging.WARNING
+LOG_LEVEL = logging.DEBUG
 
 # gRPC settings
 WEBUI_SERVICE_PORT = 8004
@@ -16,8 +16,8 @@ HOST = '0.0.0.0'  # accepts connections coming from any ADDRESS
 
 DEBUG=False
 
-CONTEXT_SERVICE_ADDRESS = os.environ.get('CONTEXT_SERVICE_ADDRESS', 'context')
+CONTEXT_SERVICE_ADDRESS = os.environ.get('CONTEXTSERVICE_SERVICE_HOST', 'contextservice')
 CONTEXT_SERVICE_PORT = 1010
 
-DEVICE_SERVICE_ADDRESS = os.environ.get('DEVICE_SERVICE_ADDRESS', 'device')
+DEVICE_SERVICE_ADDRESS = os.environ.get('DEVICESERVICE_SERVICE_HOST', 'deviceservice')
 DEVICE_SERVICE_PORT = 2020

src/webui/Dockerfile

@@ -14,29 +14,31 @@ ENV PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION='python'
 #     wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-amd64 && \
 #     chmod +x /bin/grpc_health_probe
 
-# Get generic Python packages
-RUN python3 -m pip install --upgrade pip setuptools wheel pip-tools
+# creating a user for security reasons
+RUN groupadd -r webui && useradd --no-log-init -r -m -g webui webui
+USER webui
 
-# Set working directory
-WORKDIR /var/teraflow
-
-# Create module sub-folders
-RUN mkdir -p /var/teraflow/webui
+# set working directory
+RUN mkdir -p /home/webui/teraflow
+WORKDIR /home/webui/teraflow
 
 # Get Python packages per module
-COPY webui/requirements.in webui/requirements.in
-RUN pip-compile --output-file=webui/requirements.txt webui/requirements.in
-RUN python3 -m pip install -r webui/requirements.txt
+ENV VIRTUAL_ENV=/home/webui/venv
+RUN python3 -m venv ${VIRTUAL_ENV}
+ENV PATH="${VIRTUAL_ENV}/bin:${PATH}"
+COPY --chown=webui:webui webui/requirements.in /home/webui/teraflow/webui/requirements.in
+RUN pip install --upgrade "pip<22" setuptools wheel pip-tools && pip-compile --output-file=webui/requirements.txt webui/requirements.in
+RUN pip install -r webui/requirements.txt
 
 # Add files into working directory
-COPY common/. common
-COPY context/__init__.py context/__init__.py
-COPY context/proto/. context/proto
-COPY context/client/. context/client
-COPY device/__init__.py device/__init__.py
-COPY device/proto/. device/proto
-COPY device/client/. device/client
-COPY webui/. webui
+COPY --chown=webui:webui common/. common
+COPY --chown=webui:webui context/__init__.py context/__init__.py
+COPY --chown=webui:webui context/proto/. context/proto
+COPY --chown=webui:webui context/client/. context/client
+COPY --chown=webui:webui device/__init__.py device/__init__.py
+COPY --chown=webui:webui device/proto/. device/proto
+COPY --chown=webui:webui device/client/. device/client
+COPY --chown=webui:webui webui/. webui
 
 # Start webui service
 ENTRYPOINT ["python", "-m", "webui.service"]

src/webui/service/__init__.py

@@ -2,6 +2,7 @@ import os
 from flask import Flask, session
 from flask_healthz import healthz, HealthError
 
+from webui.proto.context_pb2 import Empty
 from device.client.DeviceClient import DeviceClient
 from context.client.ContextClient import ContextClient
 from webui.Config import (CONTEXT_SERVICE_ADDRESS, CONTEXT_SERVICE_PORT,

src/webui/service/main/routes.py

+import logging
+import sys
 from flask import render_template, Blueprint, flash, session
 from webui.Config import CONTEXT_SERVICE_ADDRESS, CONTEXT_SERVICE_PORT
 from context.client.ContextClient import ContextClient
@@ -8,11 +10,12 @@ main = Blueprint('main', __name__)
 
 context_client: ContextClient = ContextClient(CONTEXT_SERVICE_ADDRESS, CONTEXT_SERVICE_PORT)
 
+logger = logging.getLogger(__name__)
+
 @main.route('/', methods=['GET', 'POST'])
 def home():
     # flash('This is an info message', 'info')
     # flash('This is a danger message', 'danger')
-    
     context_client.connect()
     response = context_client.ListContextIds(Empty())
     context_client.close()