Fix: Persist SSH host keys in /data/ssh

This commit is contained in:
2026-02-02 03:08:14 +00:00
parent 0b95ba72b3
commit 2edbeac212

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@@ -10,15 +10,14 @@ RUN apt-get update && apt-get install -y curl wget git jq un
RUN wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq && chmod +x /usr/bin/yq
# Setup SSH directory & Config for OpenShift (Random UID support)
RUN mkdir -p /var/run/sshd && mkdir -p /etc/ssh/host_keys && chmod 775 /var/run/sshd && chmod 775 /etc/ssh/host_keys
# PID file still needs to be in a transient writable spot
RUN mkdir -p /var/run/sshd && chmod 775 /var/run/sshd
# Custom sshd_config for non-root usage
RUN echo "Port 2222\nPermitRootLogin no\nPasswordAuthentication no\nPubkeyAuthentication yes\nPidFile /var/run/sshd/sshd.pid\nHostKey /etc/ssh/host_keys/ssh_host_rsa_key\nHostKey /etc/ssh/host_keys/ssh_host_ecdsa_key\nHostKey /etc/ssh/host_keys/ssh_host_ed25519_key\nAuthorizedKeysFile .ssh/authorized_keys\nChallengeResponseAuthentication no\nUsePAM yes\nSubsystem sftp /usr/lib/openssh/sftp-server" > /etc/ssh/sshd_config
# POINTS TO PERSISTENT VOLUME (/data/ssh) for host keys
RUN echo "Port 2222\nPermitRootLogin no\nPasswordAuthentication no\nPubkeyAuthentication yes\nPidFile /var/run/sshd/sshd.pid\nHostKey /data/ssh/ssh_host_rsa_key\nHostKey /data/ssh/ssh_host_ecdsa_key\nHostKey /data/ssh/ssh_host_ed25519_key\nAuthorizedKeysFile .ssh/authorized_keys\nChallengeResponseAuthentication no\nUsePAM yes\nSubsystem sftp /usr/lib/openssh/sftp-server" > /etc/ssh/sshd_config
# Create a user 'claw' with sudo access
# Passwordless sudo allowed for friction-free automation
# OpenShift runs as random UID, but 'claw' gives us a named user for direct exec if needed
# We also chmod the home dir to allow group access (OpenShift random UID runs as root group)
RUN useradd -m -s /bin/bash claw && echo "claw ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers && chmod -R g+rwX /home/claw
# Prepare volume mount point
@@ -34,5 +33,5 @@ WORKDIR /data
EXPOSE 2222
# Start SSH daemon
# Fix: Explicitly generate keys into the custom host_keys directory
CMD ["/bin/bash", "-c", "ssh-keygen -f /etc/ssh/host_keys/ssh_host_rsa_key -N '' -t rsa && ssh-keygen -f /etc/ssh/host_keys/ssh_host_ecdsa_key -N '' -t ecdsa && ssh-keygen -f /etc/ssh/host_keys/ssh_host_ed25519_key -N '' -t ed25519 && /usr/sbin/sshd -D -f /etc/ssh/sshd_config"]
# Logic: Check for persistent keys in /data/ssh. If missing, generate them.
CMD ["/bin/bash", "-c", "mkdir -p /data/ssh && if [ ! -f /data/ssh/ssh_host_rsa_key ]; then echo 'Generating persistent host keys...'; ssh-keygen -f /data/ssh/ssh_host_rsa_key -N '' -t rsa; ssh-keygen -f /data/ssh/ssh_host_ecdsa_key -N '' -t ecdsa; ssh-keygen -f /data/ssh/ssh_host_ed25519_key -N '' -t ed25519; fi && /usr/sbin/sshd -D -f /etc/ssh/sshd_config"]