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Merge fort-nix/nix-bitcoin#516: krops: Enable evaluating nodes with non-native systems
dad9679647
deployment shell: add command `build-config` (Erik Arvstedt)2926fc27dc
krops: enable evaluating nodes with non-native systems (Erik Arvstedt)fe2df830a2
flake: add system `armv7l-linux` (Erik Arvstedt) Pull request description: ACKs for top commit: jonasnick: ACKdad9679647
Tree-SHA512: b87b6734d642ebf413d3e1c9f540ddab2145b35d1f8208a08f64db1ee79fe69056b29bf3e3f3bc70dc1a5d6be3ad0299c491486fdaf5106dc2a4331f61805d15
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commit
3f13cfd159
@ -238,6 +238,24 @@ You can also build Nix from source by following the instructions at https://nixo
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cp -r ../nix-bitcoin/examples/{nix-bitcoin-release.nix,configuration.nix,shell.nix,krops,.gitignore} .
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```
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#### Optional: Specify the system of your node
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This enables evaluating your node config on a machine that has a different system platform
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than your node.\
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Examples: Deploying from macOS or deploying from a x86 desktop PC to a Raspberry Pi.
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```
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# Run this when your node has a 64-Bit x86 CPU (e.g., an Intel or AMD CPU)
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echo "x86_64-linux" > krops/system
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# Run this when your node has a 64-Bit ARM CPU (e.g., Raspberry Pi 4 B, Pine64)
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echo "aarch64-linux" > krops/system
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```
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Other available systems:
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- `i686-linux` (`x86`)
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- `armv7l-linux` (`ARMv7`)\
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This platform is untested and has no binary caches.
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[See here](https://nixos.wiki/wiki/NixOS_on_ARM) for details.
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## 4. Deploy with krops
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1. Edit your ssh config
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@ -12,7 +12,12 @@
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outputs = { self, nixpkgs, nixpkgsUnstable, flake-utils }:
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let
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supportedSystems = [ "x86_64-linux" "i686-linux" "aarch64-linux" ];
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supportedSystems = [
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"x86_64-linux"
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"i686-linux"
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"aarch64-linux"
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"armv7l-linux"
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];
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in {
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lib = {
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mkNbPkgs = {
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@ -29,6 +29,9 @@ pkgs.stdenv.mkDerivation {
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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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@ -109,11 +112,32 @@ pkgs.stdenv.mkDerivation {
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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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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 -A system.outPath | tr -d '"'
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nix-instantiate --eval ${nixpkgs}/nixos $system -A system.outPath | tr -d '"'
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echo
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}
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)}
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build-config() {(
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set -euo pipefail
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system=$(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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