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fix(cluster): replace openssl with /dev/urandom in cluster image #139

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Merged
drew merged 1 commit into from
Mar 6, 2026
Merged

fix(cluster): replace openssl with /dev/urandom in cluster image #139

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3 changes: 0 additions & 3 deletions deploy/docker/Dockerfile.cluster
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Expand Up @@ -18,9 +18,6 @@
ARG K3S_VERSION=v1.29.8-k3s1
FROM rancher/k3s:${K3S_VERSION}

# Install openssl (used by entrypoint to generate SSH handshake secret)
RUN apk add --no-cache openssl

# Create directories for manifests, charts, and configuration
RUN mkdir -p /var/lib/rancher/k3s/server/manifests \
/var/lib/rancher/k3s/server/static/charts \
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2 changes: 1 addition & 1 deletion deploy/docker/cluster-entrypoint.sh
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Expand Up @@ -252,7 +252,7 @@ fi
# Generate a random SSH handshake secret for the NSSH1 HMAC handshake between
# the gateway and sandbox SSH servers. This is required — the server will refuse
# to start without it.
SSH_HANDSHAKE_SECRET="${SSH_HANDSHAKE_SECRET:-$(openssl rand -hex 32)}"
SSH_HANDSHAKE_SECRET="${SSH_HANDSHAKE_SECRET:-$(head -c 32 /dev/urandom | od -A n -t x1 | tr -d ' \n')}"

# Inject SSH gateway host/port into the HelmChart manifest so the navigator
# server returns the correct address to CLI clients for SSH proxy CONNECT.
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