How to connect python s3fs client to a running Minio docker container? - pytest

Question

For test purposes, I'm trying to connect a module that intoduces an absration layer over s3fs with custom business logic.
It seems like I have trouble connecting the s3fs client to the Minio container.
Here's how I created the the container and attach the s3fs client (below describes how I validated the container is running properly)
import s3fs
import docker
client = docker.from_env()
container = client.containers.run('minio/minio',
"server /data --console-address ':9090'",
environment={
"MINIO_ACCESS_KEY": "minio",
"MINIO_SECRET_KEY": "minio123",
},
ports={
"9000/tcp": 9000,
"9090/tcp": 9090,
},
volumes={'/tmp/minio': {'bind': '/data', 'mode': 'rw'}},
detach=True)
container.reload() # why reload: https://github.com/docker/docker-py/issues/2681
fs = s3fs.S3FileSystem(
anon=False,
key='minio',
secret='minio123',
use_ssl=False,
client_kwargs={
'endpoint_url': "http://localhost:9000" # tried 127.0.0.1:9000 with no success
}
)
===========
>>> fs.ls('/')
[]
>>> fs.ls('/data')
Bucket doesnt exists exception
check that the container is running:
➜ ~ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
127e22c19a65 minio/minio "/usr/bin/docker-ent…" 56 seconds ago Up 55 seconds 0.0.0.0:9000->9000/tcp, :::9000->9000/tcp, 0.0.0.0:9090->9090/tcp, :::9090->9090/tcp hardcore_ride
check that the relevant volume is attached:
➜ ~ docker exec -it 127e22c19a65 bash
[root#127e22c19a65 /]# ls -l /data/
total 4
-rw-rw-r-- 1 1000 1000 4 Jan 11 16:02 foo.txt
[root#127e22c19a65 /]# exit
Since I proved the volume binding is working properly by shelling into the container, I expected to see the same results when attached the container's filesystem via the s3fs client.

Answer 1

What is the bucket name that was created as part of this setup?
From the docs I'm seeing you have to give <bucket_name>/<object_path> syntax to access the resources.
fs.ls('my-bucket')
['my-file.txt']
Also if you look at the docs below there are a couple of other ways to access it using fs.open can you give that a try?
https://buildmedia.readthedocs.org/media/pdf/s3fs/latest/s3fs.pdf