Version 1.0

manager.py

@@ -0,0 +1,84 @@
+import os
+import sys
+import subprocess
+import yaml
+import shutil
+
+# Constants
+SCRIPTS_DIR = "/scripts"
+DEFAULTS_DIR = "/app/defaults"
+CONFIG_PATH = os.path.join(SCRIPTS_DIR, "config.yaml")
+CRONTAB_PATH = "/app/generated_crontab"
+
+def initialize_volume_if_empty():
+    """Copies default files to /scripts if config.yaml is missing."""
+    if not os.path.exists(CONFIG_PATH):
+        print("---------------------------------")
+        print("No config found in volume. Initializing with defaults...")
+        
+        # Ensure directory exists
+        os.makedirs(SCRIPTS_DIR, exist_ok=True)
+        
+        # Copy all files from defaults to scripts
+        if os.path.exists(DEFAULTS_DIR):
+            for filename in os.listdir(DEFAULTS_DIR):
+                src = os.path.join(DEFAULTS_DIR, filename)
+                dst = os.path.join(SCRIPTS_DIR, filename)
+                if os.path.isfile(src):
+                    shutil.copy2(src, dst)
+                    print(f"  -> Created: {filename}")
+        print("Initialization complete.")
+        print("---------------------------------")
+    else:
+        print(f"Found existing config at {CONFIG_PATH}. Using it.")
+
+def install_dependencies(deps):
+    if not deps:
+        return
+    print(f"Installing {len(deps)} dependencies...")
+    subprocess.check_call([sys.executable, "-m", "pip", "install", "--no-cache-dir"] + deps)
+
+def generate_crontab(jobs):
+    print(f"Scheduling {len(jobs)} jobs...")
+    lines = []
+    for job in jobs:
+        schedule = job['schedule']
+        script = job['script']
+        # Use -u for unbuffered output
+        command = f"python3 -u {SCRIPTS_DIR}/{script}"
+        lines.append(f"{schedule} {command}")
+        print(f"  -> Loaded: {script} [{schedule}]")
+
+    with open(CRONTAB_PATH, "w") as f:
+        f.write("\n".join(lines) + "\n")
+
+def main():
+    # 1. Initialize Volume (The new feature)
+    initialize_volume_if_empty()
+
+    # 2. Read Config
+    if not os.path.exists(CONFIG_PATH):
+        print(f"Error: {CONFIG_PATH} still not found after initialization.")
+        sys.exit(1)
+
+    with open(CONFIG_PATH, "r") as f:
+        config = yaml.safe_load(f)
+
+    # 3. Setup Environment
+    install_dependencies(config.get("dependencies", []))
+    generate_crontab(config.get("jobs", []))
+
+    # 4. Start Supercronic
+    print("Starting Scheduler...")
+    print("--------------------------------------------")
+    sys.stdout.flush()
+
+    # Wir starten Supercronic und leiten stderr (wo Logs sind) an stdout weiter
+    # und pipen das Ganze in unseren log_formatter.py
+    cmd = f"supercronic {CRONTAB_PATH} 2>&1 | python3 -u /app/log_formatter.py"
+    
+    # shell=True ist hier notwendig für die Pipe "|"
+    subprocess.call(cmd, shell=True)
+
+if __name__ == "__main__":
+    main()