mirror of
https://github.com/fort-nix/nix-bitcoin.git
synced 2024-09-11 23:17:20 +03:00
160 lines
4.6 KiB
Nix
160 lines
4.6 KiB
Nix
{ configDir, shellVersion ? null, extraShellInitCmds ? (pkgs: "") }:
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let
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pinned = import ../pkgs/nixpkgs-pinned.nix;
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pkgs = import nixpkgs { config = {}; overlays = []; };
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inherit (pkgs) lib;
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inherit (pinned) nixpkgs;
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nbPkgs = import ../pkgs { inherit pkgs; };
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cfgDir = toString configDir;
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setPath = lib.optionalString pkgs.stdenv.isLinux ''
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export PATH="${lib.makeBinPath [ nbPkgs.pinned.extra-container ]}''${PATH:+:}$PATH"
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'';
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in
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pkgs.stdenv.mkDerivation {
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name = "nix-bitcoin-environment";
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helpMessage = ''
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nix-bitcoin path: ${toString ../.}
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Available commands
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==================
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deploy
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Run krops-deploy and eval-config in parallel.
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This ensures that eval failures appear quickly when deploying.
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In this case, deployment is stopped.
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krops-deploy
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Deploy your node via krops
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eval-config
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Evaluate your node system configuration
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build-config
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Build your node system on your local machine
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generate-secrets
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Create secrets required by your node configuration.
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Secrets are written to ./secrets/
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This function is automatically called by krops-deploy.
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update-nix-bitcoin
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Fetch and use the latest version of nix-bitcoin
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'';
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shellHook = ''
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export NIX_PATH="nixpkgs=${nixpkgs}:nix-bitcoin=${toString ../.}:."
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${setPath}
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export NIX_BITCOIN_EXAMPLES_DIR="${cfgDir}"
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export nixpkgsUnstable="${pinned.nixpkgs-unstable}"
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# Set isInteractive=1 if
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# 1. stdout is a TTY, i.e. we're not piping the output
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# 2. the shell is interactive
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if [[ -t 1 && $- == *i* ]]; then isInteractive=1; else isInteractive=; fi
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# Make this a non-environment var
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export -n helpMessage
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help() { echo "$helpMessage"; }
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h() { help; }
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fetch-release() {
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${toString ./fetch-release}
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}
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update-nix-bitcoin() {(
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set -euo pipefail
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releaseFile="${cfgDir}/nix-bitcoin-release.nix"
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current=$(cat "$releaseFile" 2>/dev/null || true)
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new=$(fetch-release)
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if [[ $new == $current ]]; then
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echo "nix-bitcoin-release.nix already contains the latest release"
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else
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echo "$new" > "$releaseFile"
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echo "Updated nix-bitcoin-release.nix"
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if [[ $isInteractive ]]; then
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exec nix-shell
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fi
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fi
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)}
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generate-secrets() {(
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set -euo pipefail
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config="${cfgDir}/krops/krops-configuration.nix"
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if [[ ! -e $config ]]; then
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config="${cfgDir}/configuration.nix"
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fi
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genSecrets=$(nix-build --no-out-link -I nixos-config="$config" \
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'<nixpkgs/nixos>' -A config.nix-bitcoin.generateSecretsScript)
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mkdir -p "${cfgDir}/secrets"
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(cd "${cfgDir}/secrets"; $genSecrets)
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)}
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deploy() {(
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set -euo pipefail
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krops-deploy &
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kropsPid=$!
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if eval-config; then
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wait $kropsPid
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else
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# Kill all subprocesses
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kill $(pidClosure $kropsPid)
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return 1
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fi
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)}
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krops-deploy() {(
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set -euo pipefail
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generate-secrets
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# Ensure strict permissions on secrets/ directory before rsyncing it to
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# the target machine
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chmod 700 "${cfgDir}/secrets"
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$(nix-build --no-out-link "${cfgDir}/krops/deploy.nix")
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)}
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eval-config() {(
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set -euo pipefail
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system=$(getNodeSystem)
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NIXOS_CONFIG="${cfgDir}/krops/krops-configuration.nix" \
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nix-instantiate --eval ${nixpkgs}/nixos $system -A system.outPath | tr -d '"'
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echo
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)}
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build-config() {(
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set -euo pipefail
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system=$(getNodeSystem)
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NIXOS_CONFIG="${cfgDir}/krops/krops-configuration.nix" \
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nix-build --no-out-link ${nixpkgs}/nixos $system -A system
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)}
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getNodeSystem() {
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if [[ -e '${cfgDir}/krops/system' ]]; then
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echo -n "--argstr system "; cat '${cfgDir}/krops/system'
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elif [[ $OSTYPE == darwin* ]]; then
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# On macOS, `builtins.currentSystem` (`*-darwin`) can never equal
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# the node system (`*-linux`), so we can always provide a helpful error message:
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>&2 echo "Error, node system not set. See here how to fix this:"
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>&2 echo "https://github.com/fort-nix/nix-bitcoin/blob/master/docs/install.md#optional-specify-the-system-of-your-node"
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return 1
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fi
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};
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pidClosure() {
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echo "$1"
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for pid in $(ps -o pid= --ppid "$1"); do
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pidClosure "$pid"
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done
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}
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if [[ $isInteractive ]]; then
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${pkgs.figlet}/bin/figlet "nix-bitcoin"
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echo 'Enter "h" or "help" for documentation.'
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fi
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# Don't run this hook when another nix-shell is run inside this shell
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unset shellHook
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${extraShellInitCmds pkgs}
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'';
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}
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