77 lines
2 KiB
Nix
77 lines
2 KiB
Nix
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let
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pkgs = import <nixpkgs> {};
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lib = pkgs.lib;
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hosts = import ../configuration/hosts;
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nixosHosts = lib.filterAttrs (name: host: host ? ssh) hosts;
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allGroups = lib.unique (
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lib.flatten (
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lib.mapAttrsToList (
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name: host: host.groups
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) hosts
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)
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);
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hostsInGroup = group:
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lib.filterAttrs (
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k: v: builtins.elem group v.groups
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) hosts;
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hostsInAllGroups = lib.listToAttrs (
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map (
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group: lib.nameValuePair group (
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lib.attrNames (hostsInGroup group)
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)
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) allGroups );
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mkDeploy = hostnames: pkgs.writeScript "deploy-${lib.concatStringsSep "-" hostnames}" ''
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#!${pkgs.stdenv.shell}
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set -e -o pipefail
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export PATH=/run/wrappers/bin/:${with pkgs; lib.makeBinPath [
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coreutils
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openssh
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nix
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gnutar
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findutils
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nettools
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gzip
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git
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]}
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MODE=$1
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shift || true
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ARGS=$@
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[ "$MODE" == "" ] && MODE="switch"
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${lib.concatMapStrings (hostname: let
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hostAttrs = nixosHosts.${hostname};
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nixosSystem = (import <nixpkgs/nixos/lib/eval-config.nix> {
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modules = [
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"${toString ../configuration}/hosts/${hostname}/configuration.nix"
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];
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system = if hostAttrs ? system then hostAttrs.system else "x86_64-linux";
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}).config.system.build.toplevel;
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in ''
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(
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echo "deploying ${hostname}..."
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nix copy --no-check-sigs --to ssh://${hostAttrs.ssh.host} ${nixosSystem}
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ssh $NIX_SSHOPTS ${hostAttrs.ssh.host} "sudo nix-env -p /nix/var/nix/profiles/system -i ${nixosSystem}"
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ssh $NIX_SSHOPTS ${hostAttrs.ssh.host} "sudo /nix/var/nix/profiles/system/bin/switch-to-configuration $MODE $ARGS"
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) &
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PID_LIST+=" $!"
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'') hostnames}
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echo "deploys started, waiting for them to finish..."
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trap "kill $PID_LIST" SIGINT
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wait $PID_LIST
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'';
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in {
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deploy = (lib.mapAttrs (hostname: hostAttrs: mkDeploy [ hostname ]) nixosHosts)
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// (lib.mapAttrs (group: hosts: mkDeploy hosts) hostsInAllGroups)
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// { all = mkDeploy (lib.attrNames nixosHosts); };
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}
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