nix-bitcoin/examples/deploy-qemu-vm.sh

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#!/usr/bin/env bash
set -euo pipefail
# This script demonstrates how to run a nix-bitcoin node in QEMU.
# Running this script leaves no traces on your host system.
# This demo is a template for your own experiments.
# Run with option `--interactive` or `-i` to start a shell for interacting with
# the node.
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# MAKE SURE TO REPLACE the SSH identity file if you use this script for
# anything serious.
if [[ ! -v IN_NIX_SHELL ]]; then
echo "Running script in nix shell env..."
cd "${BASH_SOURCE[0]%/*}"
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exec nix-shell --run "./${BASH_SOURCE[0]##*/} $*"
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fi
source qemu-vm/run-vm.sh
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echo "Building VM"
nix-build --out-link $tmpDir/vm - <<'EOF'
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(import <nixpkgs/nixos> {
configuration = {
imports = [
<configuration.nix>
<qemu-vm/vm-config.nix>
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];
nix-bitcoin.generateSecrets = true;
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};
}).vm
EOF
vmNumCPUs=4
vmMemoryMiB=2048
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sshPort=60734
runVM $tmpDir/vm $vmNumCPUs $vmMemoryMiB $sshPort
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vmWaitForSSH
printf "Waiting until services are ready"
c "
$(cat qemu-vm/wait-until.sh)
waitUntil 'systemctl is-active clightning &> /dev/null' 100
"
echo
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echo
echo "Bitcoind service:"
c systemctl status bitcoind
echo
echo "Bitcoind network:"
c bitcoin-cli getnetworkinfo
echo
echo "lightning-cli state:"
c lightning-cli getinfo
echo
echo "Node info:"
c nodeinfo
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case ${1:-} in
-i|--interactive)
. start-bash-session.sh
;;
esac
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# Cleanup happens at exit (defined in qemu-vm/run-vm.sh)