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Last pushed: a year ago
Short Description
requirements for an sshuttle target
Full Description

sshuttle server for Docker

by MuchLearning

This image contains all that is needed to log in using sshuttle. It may also be used as a generic ssh server, for example, for port forwarding, etc. It is particularly useful for environments such as kubernetes or Docker Cloud that provide a private network between containers.

How to use it

  1. set the environment variable AUTHORIZED_KEYS to the key(s) that should be allowed to log in

  2. mount a volume at /etc/ssh/keys which is a directory with the host keys. The key filenames should end with key. Alternatively, add a layer to this image that includes that directory. Just don't push the image to a public repository, or else your host keys will become public.

  3. run the image, and publish port 22

  4. you can now ssh in as the user sshuttle

Example kubernetes deployment

apiVersion: v1
kind: Secret
metadata:
  name: sshuttle
  namespace: sshuttle
type: Opaque
data:
  ecdsakey: [base64-encoded key]
  ed25519key: [base64-encoded key]
  rsakey: [base64-encoded key]

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: sshuttle
  namespace: sshuttle
data:
  authorizedkeys: "[user's public key]"

---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: sshuttle
  namespace: sshuttle
spec:
  replicas: 1
  template:
    metadata:
      labels:
        role: sshuttle
    spec:
      containers:
      - name: sshuttle
        image: muchlearning/sshuttle-server:latest
        ports:
        - containerPort: 22
        env:
        - name: AUTHORIZED_KEYS
          valueFrom:
            configMapKeyRef:
              name: sshuttle
              key: authorizedkeys
        volumeMounts:
        - name: keys
          mountPath: /etc/ssh/keys
      volumes:
      - name: keys
        secret:
          secretName: sshuttle

---
apiVersion: v1
kind: Service
metadata:
  name: sshuttle
  namespace: sshuttle
  labels:
    role: sshuttle
spec:
  selector:
    role: sshuttle
  ports:
  - name: ssh
    port: 2222
    targetPort: 22
    protocol: TCP
  externalIPs:
  - [your public IP]
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muchlearning
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