The 'echo sudo' approach used previously failed when PATH or NIX_PATH contains spaces. Exec the script with sudo instead.
76 lines
1.9 KiB
Bash
Executable File
76 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# This script demonstrates how to setup a nix-bitcoin node in a NixOS container.
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# Running this script leaves no traces on your host system.
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# This demo is a template for your own experiments.
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# Feel free to modify or to run nix-shell and execute individual statements of this
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# script in the interactive shell.
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if [[ $(sysctl -n net.ipv4.ip_forward) != 1 ]]; then
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echo "Error: IP forwarding (net.ipv4.ip_forward) is not enabled."
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echo "Needed for container WAN access."
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exit 1
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fi
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if [[ ! -v IN_NIX_SHELL ]]; then
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echo "Running script in nix shell env..."
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cd "${BASH_SOURCE[0]%/*}"
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exec nix-shell --run "./${BASH_SOURCE[0]##*/} $*"
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fi
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if [[ $EUID != 0 ]]; then
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# NixOS containers require root permissions
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exec sudo "PATH=$PATH" "NIX_PATH=$NIX_PATH" "IN_NIX_SHELL=$IN_NIX_SHELL" "${BASH_SOURCE[0]}" "$@"
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fi
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# These commands can also be executed interactively in a shell session
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demoCmds='
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echo
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echo "Bitcoind service:"
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c systemctl status bitcoind
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echo
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echo "Bitcoind network:"
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c bitcoin-cli getnetworkinfo
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echo
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echo "lightning-cli state:"
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c lightning-cli getinfo
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echo
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echo "Node info:"
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c nodeinfo
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echo
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echo "Bitcoind data dir:"
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sudo ls -al /var/lib/containers/demo-node/var/lib/bitcoind
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'
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case ${1:-} in
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-i|--interactive)
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runCmd=
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;;
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*)
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runCmd=(--run bash -c "$demoCmds")
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;;
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esac
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# Build container.
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# Learn more: https://github.com/erikarvstedt/extra-container
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#
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read -d '' src <<'EOF' || true
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{ pkgs, lib, ... }: {
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containers.demo-node = {
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extra.addressPrefix = "10.250.0";
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extra.enableWAN = true;
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config = { pkgs, config, lib, ... }: {
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imports = [
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<nix-bitcoin/examples/configuration.nix>
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<nix-bitcoin/modules/secrets/generate-secrets.nix>
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];
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};
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};
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}
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EOF
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extra-container shell -E "$src" "${runCmd[@]}"
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# The container is automatically deleted at exit
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