Added draft for performance optimation

This commit is contained in:
Kevin Veen-Birkenbach 2024-01-09 12:47:00 +01:00
parent 7cce98699c
commit 1c31f82f7c

View File

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import subprocess
import os
import shutil
def run_command(command):
""" Run a shell command and return its output """
return subprocess.check_output(command, shell=True).decode('utf-8').strip()
# Path on the SSD where data will be moved
ssd_path = "/path/to/ssd"
# List all Docker volumes
volumes = run_command("docker volume ls -q").splitlines()
for volume in volumes:
# List all containers using this volume
containers = run_command(f"docker ps -q --filter volume={volume}").splitlines()
for container in containers:
# Get the image of the container
image = run_command(f"docker inspect --format='{{{{.Config.Image}}}}' {container}")
# Check if the image contains "postgres" or "mariadb"
if "postgres" in image or "mariadb" in image:
print(f"Container {container} with database image {image} found, using volume {volume}.")
# Stop the container
run_command(f"docker stop {container}")
# Get the mount point of the volume
volume_path = run_command(f"docker volume inspect --format '{{{{ .Mountpoint }}}}' {volume}")
# Create a new directory on the SSD
ssd_volume_path = os.path.join(ssd_path, volume)
os.makedirs(ssd_volume_path, exist_ok=True)
# Move the data
for item in os.listdir(volume_path):
shutil.move(os.path.join(volume_path, item), ssd_volume_path)
# Create a symbolic link
os.symlink(ssd_volume_path, volume_path)
else:
print(f"Container {container} with file image {image} found, using volume {volume}.")
print("Operation completed.")