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fix(ci): forward SSH tunnel directly to dagger engine socket

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Eliminates the socat bridge dependency by using OpenSSH's built-in
Unix socket forwarding (-L port:socket_path). The dagger user already
owns /run/dagger/engine.sock so no intermediate TCP listener is needed.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Thomas SharedInbox
2026-06-06 23:43:05 +02:00
co-authored by Claude Sonnet 4.6
parent c2586323a2
commit 242fd68f60
1 changed files with 4 additions and 3 deletions
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scripts/setup_dagger_remote.sh
+4 -3
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@@ -76,11 +76,12 @@ if [ "$_elapsed" -gt 10 ]; then
echo "::warning::ssh-keyscan took ${_elapsed}s — Dagger engine host may be slow to respond"
fi
# Create a background SSH tunnel to the Dagger engine.
# We map local port 8080 to remote port 1774 (where our socat bridge is listening).
# Create a background SSH tunnel to the Dagger engine Unix socket.
# Forwards local TCP port 8080 directly to /run/dagger/engine.sock on the remote host,
# eliminating the need for a socat bridge on the server side.
echo "Establishing SSH tunnel to $DAGGER_ENGINE_HOST..."
_t0=$SECONDS
timeout 30 ssh -i ~/.ssh/dagger_key -o StrictHostKeyChecking=no -f -N -L 8080:localhost:1774 "dagger@$DAGGER_ENGINE_HOST"
timeout 30 ssh -i ~/.ssh/dagger_key -o StrictHostKeyChecking=no -f -N -L 8080:/run/dagger/engine.sock "dagger@$DAGGER_ENGINE_HOST"
_elapsed=$(( SECONDS - _t0 ))
if [ "$_elapsed" -gt 10 ]; then
echo "::warning::SSH tunnel setup took ${_elapsed}s"