mirror of
https://github.com/psviderski/uncloud.git
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46 lines
1.5 KiB
Bash
Executable File
46 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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# Cleanup function to properly terminate background processes.
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cleanup() {
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echo "Terminating container processes..."
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# Terminate the main process if it has been started.
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if [ -n "${MAIN_PID:-}" ]; then
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kill "$MAIN_PID" 2>/dev/null || true
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fi
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# Terminate Docker daemon if PID file exists.
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if [ -f /run/docker.pid ]; then
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kill "$(cat /run/docker.pid)" 2>/dev/null || true
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fi
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# Terminate socat proxy if running.
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pkill socat 2>/dev/null || true
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# Wait for processes to terminate.
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wait
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}
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trap cleanup INT TERM EXIT
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# Remove stale Docker and containerd pid files left over from the previous container run. They persist
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# across restarts because /run lives in the container's overlay filesystem, not a tmpfs.
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rm -f /run/docker.pid /run/docker/containerd/containerd.pid
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dind dockerd &
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echo "Waiting for Docker in Docker to be ready..."
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timeout 60s sh -c "until docker info &> /dev/null; do sleep 0.5; done"
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echo "Docker in Docker is ready."
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echo "Loading corrosion image from /images/corrosion.tar..."
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docker load < /images/corrosion.tar
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# Make machine API accessible from the host via port publishing.
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echo "Proxying Uncloud API port 51000/tcp to Unix socket /run/uncloud/uncloud.sock..."
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socat TCP-LISTEN:51000,reuseaddr,fork,bind="$(hostname -i)" UNIX-CONNECT:/run/uncloud/uncloud.sock &
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# Execute the passed command and wait for it while maintaining signal handling.
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"$@" &
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MAIN_PID=$!
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wait $MAIN_PID
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