Added docker volume monitor.

docker_volume_monitor.py

@@ -0,0 +1,50 @@
+
+import docker
+import argparse
+
+# Initialize the Docker client
+client = docker.from_env()
+
+# Function to get the size of a Docker volume
+def get_volume_size(container_id, volume_name):
+    inspect_data = client.api.inspect_container(container_id)
+    mounts = inspect_data['Mounts']
+    for mount in mounts:
+        if mount['Destination'] == volume_name:
+            print(mount)
+            return int(mount.get('Size',0))
+
+# Function to shutdown a Docker container
+def shutdown_container(container_id):
+    client.api.stop(container_id)
+
+# Define the threshold size in bytes
+threshold_size = 1000000000  # 1GB
+
+# Parse command-line arguments
+parser = argparse.ArgumentParser(description='Check volume sizes of Docker containers and shutdown if size exceeds threshold.')
+parser.add_argument('--dry-run', action='store_true', help='Perform a dry run without actually shutting down containers.')
+args = parser.parse_args()
+
+# Get a list of all running containers
+containers = client.containers.list()
+
+# Iterate through each container and check the size of its volumes
+for container in containers:
+    container_id = container.id
+    print("Found container {}".format(container_id))
+    inspect_data = client.api.inspect_container(container_id)
+    mounts = inspect_data['Mounts']
+    print("Found mounts {}".format(mounts))
+    # Check the size of each volume and shutdown the container if any volume exceeds the threshold
+    for mount in mounts:
+        volume_name = mount['Destination']
+        volume_size = get_volume_size(container_id, volume_name)
+        if volume_size > threshold_size:
+            if not args.dry_run:
+                shutdown_container(container_id)
+                print(f"Container {container_id} has been shutdown due to volume {volume_name} exceeding the threshold size.")
+            else:
+                print(f"Dry run: Container {container_id} would be shutdown due to volume {volume_name} exceeding the threshold size.")
+
+