Automatically runs chartwells_query script when container is started.

Dockerfile

@@ -1,25 +1,28 @@
 FROM gradle:7.6.0-jdk17 AS build
 
-# Set the working directory 
 WORKDIR /app
-
-# Copy the Gradle configuration and source code
 COPY build.gradle settings.gradle /app/
 COPY src /app/src
-
-# Build the application
 RUN gradle bootJar --no-daemon
 
 FROM eclipse-temurin:17-jdk-alpine
 
-# Set the working directory
+# Install Python and dcron
+RUN apk update && apk add python3 py3-pip dcron py3-requests
+
 WORKDIR /app
 
-# Copy the JAR file from the build stage
+# Copy JAR and Python script
 COPY --from=build /app/build/libs/*.jar app.jar
+COPY chartwells_query.py /app/chartwells_query.py
+
+# Add crontab file and set permissions
+COPY crontab.txt /etc/crontabs/root
+
+# Make entrypoint executable
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
 
-# Expose port
 EXPOSE 8080
 
-# Rub
-ENTRYPOINT ["java", "-jar", "/app/app.jar"]
+ENTRYPOINT ["/entrypoint.sh"]

chartwells_query.py

@@ -3,14 +3,18 @@
 import json
 from datetime import datetime, timezone, timedelta
 import time
+import os
 
 #used to access the chartwells api from the viewpoint of a user normal
 headers = {
     'User-Agent': 'Mozilla/5.0'
 }
 
-#database_path = "database.db"
-database_path = "Database/dish.db"
+# Conditional to determine if the script is running in a docker container
+if os.getenv("RUNNING_IN_DOCKER") == "true":
+    database_path = "/data/dish.db"
+else:
+    database_path = "Database/dish.db"
 
 date_today = datetime.now(timezone(timedelta(hours=-4))).strftime('%Y-%m-%d')
 date_tomorrow = (datetime.now(timezone(timedelta(hours=-4))) + timedelta(1)).strftime('%Y-%m-%d')
@@ -22,12 +26,19 @@
 #used to grab meal data for a given location, period, and date
 meal_data_request = "https://api.dineoncampus.com/v1/location/{location}/periods/{period}?platform=0&date={date}"
 
-dining_locations = {"Wadsworth":"64b9990ec625af0685fb939d"}#,"McNair":"64a6b628351d5305dde2bc08","DHH":"64e3da15e45d430b80c9b981"}
+dining_locations = {}
 
 def main():
     db_conection = sqlite3.connect(database_path)
     db_cursor = db_conection.cursor()
 
+    # Get locations from database
+    db_cursor.execute("SELECT * FROM locations")
+    rows = db_cursor.fetchall()
+    for row in rows:
+        print("DEBUG: " + row[0] + " " + row[1])
+        dining_locations[row[0]] = row[1]
+
     for date in dates:
         for location in dining_locations:
             print(f"Grabbing periods for {date} {location}")

crontab.txt

@@ -0,0 +1 @@
+0 */2 * * * python3 /app/chartwells_query.py >> /var/log/cron.log 2>&1

docker-compose.yml

@@ -11,5 +11,6 @@ services:
     environment:
       SPRING_DATASOURCE_URL: "jdbc:sqlite:/data/dish.db"
       SPRING_PROFILES_ACTIVE: "docker"
+      RUNNING_IN_DOCKER: "true"
     volumes:
       - ./Database:/data

entrypoint.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# Run at startup
+python3 /app/chartwells_query.py
+
+# Start dcron
+crond -b
+
+touch ./debug.file
+
+# Start DISH
+java -jar /app/app.jar