docker-sshfs: serve a Kubernetes persistent volume over SSH

Usecase: remotely mount a Persistent Volume via Fuse SSHFS

Overview

Use this Dockerfile / -image to start a sshd-server upon a lightweight Alpine container.

Features

• Installs the latest OpenSSH-Version available for Alpine
• Password of "root"-user can be changed when starting the container using --env
• Public SSH key of "root"-user can be changed when starting the container using --env

Basic Docker Usage

$ docker run --rm \
--publish=1234:22 \
--env ROOT_PASSWORD=MyRootPW123 \
# or use an RSA key
# --env ROOT_AUTHORIZED_KEY="<some public key base64 string>" \
gjyoung1974/alpine-sshd

Basic Kubernetes Usage

See the file: k8s-webapp-with-sshfs.yml

After the container is up you are able to ssh in it as root with the in --env provided password or RSA keypair for "root"-user.

$ ssh [email protected] -p 1234

mount the remote filesystem locally with fuse: https://github.com/osxfuse/osxfuse/wiki/SSHFS

function remote_fs(){
sshfs root@<some_remote_server>:/web_app_files ~/web_app_files/ -o auto_cache,reconnect,defer_permissions,noappledouble,IdentityFile=~/.ssh/id_rsa -p 1234 
}

//TODO Harden SSHD config

2017 Gordon young [email protected]