Adopt flake-parts

.envrc

@@ -1,2 +1,2 @@
-nix_direnv_watch_file $(find shell)
+nix_direnv_watch_file $(find devshell) flake/nixpkgs.nix
 use flake

.github/workflows/check.yml

@@ -0,0 +1,43 @@
+name: "Check"
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@main
+      with:
+        token: '${{ secrets.PAT_FOR_AUTOMATED_UPDATE }}'
+    - name: Install nix
+      uses: cachix/install-nix-action@master
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+        extra_nix_config: |
+          experimental-features = nix-command flakes
+          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+    - name: Setup cachix
+      uses: cachix/cachix-action@master
+      with:
+        name: linyinfeng
+        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+    - name: Set swap space
+      uses: pierotofy/set-swap-space@master
+      with:
+        swap-size-gb: 10
+    - name: Test nix flake show
+      run: |
+        nix flake show
+    - name: Test evaluation
+      run: |
+        set -e
+        system=$(nix eval --impure --raw  --expr "builtins.currentSystem")
+        checks=$(nix eval --impure --json --expr "builtins.attrNames (builtins.getFlake \"$PWD\").checks.$system")
+        for check in $(echo "$checks" | jq -r '.[]'); do
+          echo "--- eval .#checks.$system.$check"
+          nix eval --raw .#checks.$system.$check --accept-flake-config
+          echo # add a new line
+        done

.github/workflows/update.yml

@@ -48,10 +48,9 @@ jobs:
     - name: Nix flake update
       run: |
         nix flake update --commit-lock-file
-    - name: Update pkgs
+    - name: Test nix flake show
       run: |
-        nix develop --command nvfetcher
-        nix develop --command nvfetcher-changes-commit "pkgs/_sources/generated.nix"
+        nix flake show
     - name: Test evaluation
       run: |
         set -e

LICENSE

@@ -1,21 +1,9 @@
 MIT License
 
-Copyright (c) 2021 Lin Yinfeng
+Copyright (c) 2021-2023 Lin Yinfeng
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -2,11 +2,10 @@
 
 [![Hydra Build](https://img.shields.io/endpoint?label=main%2Fall-checks.x86_64-linux&url=https%3A%2F%2Fnuc-proxy.li7g.com%2Fhydra%2Fjob%2Fdotfiles%2Fmain%2Fall-checks.x86_64-linux%2Fshield)](https://nuc-proxy.li7g.com/hydra/job/dotfiles/main/all-checks.x86_64-linux)
 
-My personal NixOS configurations, based on [devos].
+Personal NixOS, Home Manager and Terraform configurations.
 
 ## License
 
-This repository and [devos] are both licensed under [The MIT License][mit].
+This repository is licensed under [The MIT License][mit].
 
-[devos]: https://github.com/divnix/devos "divnix/devos"
 [mit]: https://opensource.org/licenses/MIT "The MIT License"

devshell/default.nix

@@ -0,0 +1,27 @@
+{...}: {
+  imports = [
+    ./terraform
+  ];
+  perSystem = {
+    inputs',
+    pkgs,
+    ...
+  }: {
+    devshells.default = {
+      commands = [
+        {
+          package = inputs'.nixos-generators.packages.nixos-generate;
+          category = "deploy";
+        }
+        {
+          package = pkgs.sops;
+          category = "secrets";
+        }
+        {
+          package = pkgs.ssh-to-age;
+          category = "secrets";
+        }
+      ];
+    };
+  };
+}

devshell/terraform/default.nix

@@ -0,0 +1,118 @@
+{...}: {
+  perSystem = {pkgs, ...}: let
+    secretExtractor = pkgs.callPackage ./extractor/secrets.nix {};
+    dataExtractor = pkgs.callPackage ./extractor/data.nix {};
+  in {
+    devshells.default.commands = [
+      {
+        category = "infrastructure";
+        name = "terraform-pipe";
+        help = "initialize, apply, and update all terraform related output files";
+        command = ''
+          set -e
+
+          terraform-init
+          terraform-wrapper apply
+          terraform-update-outputs
+          terraform-outputs-extract-data
+          terraform-outputs-extract-secrets
+        '';
+      }
+      {
+        category = "infrastructure";
+        name = "terraform-wrapper";
+        help = pkgs.terraform.meta.description;
+        command = ''
+          set -e
+
+          export PATH=${pkgs.sops}/bin:$PATH
+          export PATH=${pkgs.terraform}/bin:$PATH
+          export PATH=${pkgs.zerotierone}/bin:$PATH
+          export PATH=${pkgs.minio-client}/bin:$PATH
+          export PATH=${pkgs.syncthing}/bin:$PATH
+          export PATH=${pkgs.jq}/bin:$PATH
+          export PATH=${pkgs.openssl}/bin:$PATH
+          export PATH=${pkgs.ruby}/bin:$PATH
+
+          encrypted_state_file="$PRJ_ROOT/secrets/terraform.tfstate"
+          unencrypted_state_file="$PRJ_ROOT/terraform/terraform.tfstate"
+          echo "decrypt terraform state to '$unencrypted_state_file'..." >&2
+          sops --input-type json --output-type json \
+            --decrypt "$encrypted_state_file" > "$unencrypted_state_file"
+
+          function cleanup {
+            cd $PRJ_ROOT
+            if [ -n "$(cat "$unencrypted_state_file")" ]; then
+              echo "encrypt terraform state to '$encrypted_state_file'..." >&2
+              set +e
+              EDITOR="cp \"$unencrypted_state_file\"" \
+                sops --input-type json --output-type json \
+                "$encrypted_state_file"
+              encrypt_status="$?"
+              set -e
+              rm "$unencrypted_state_file"
+              if [ "$encrypt_status" -ne 0 -a "$encrypt_status" -ne 200 ]; then
+                echo "failed to encrypt, exiting"
+                exit 1
+              fi
+            fi
+          }
+          trap cleanup EXIT
+
+          cd $PRJ_ROOT/terraform
+          terraform "$@"
+        '';
+      }
+
+      {
+        category = "infrastructure";
+        name = "terraform-update-outputs";
+        help = "update terraform outputs";
+        command = ''
+          set -e
+
+          export PATH=${pkgs.sops}/bin:$PATH
+
+          encrypted_output_file="$PRJ_ROOT/secrets/terraform-outputs.yaml"
+          unencrypted_output_file="$PRJ_ROOT/secrets/terraform-outputs.plain.yaml"
+          terraform-wrapper output --json > "$unencrypted_output_file"
+          set +e
+          EDITOR="cp \"$unencrypted_output_file\"" sops "$encrypted_output_file"
+          encrypt_status="$?"
+          set -e
+          rm "$unencrypted_output_file"
+          if [ "$encrypt_status" -ne 0 -a "$encrypt_status" -ne 200 ]; then
+            echo "failed to encrypt, exiting"
+            exit 1
+          fi
+        '';
+      }
+
+      {
+        category = "infrastructure";
+        name = "terraform-outputs-extract-secrets";
+        help = "extract secrets from terraform outputs";
+        package = secretExtractor;
+      }
+
+      {
+        category = "infrastructure";
+        name = "terraform-outputs-extract-data";
+        help = "extract data from terraform outputs";
+        package = dataExtractor;
+      }
+
+      {
+        category = "infrastructure";
+        name = "terraform-init";
+        help = "upgrade terraform providers";
+        command = ''
+          set -e
+
+          cd $PRJ_ROOT/terraform
+          ${pkgs.terraform}/bin/terraform init "$@"
+        '';
+      }
+    ];
+  };
+}

shell/terraform/extractor/data.nix → devshell/terraform/extractor/data.nix

@@ -1,13 +1,16 @@
-{ writeShellScriptBin, yq-go, sops }:
-
+{
+  writeShellScriptBin,
+  yq-go,
+  sops,
+}:
 writeShellScriptBin "terraform-outputs-extract-data" ''
   set -e
 
   export PATH=${yq-go}/bin:${sops}/bin:$PATH
 
-  pushd $PRJ_ROOT/data
+  pushd $PRJ_ROOT/lib/data
 
-  echo "creating 'data/data.json'..."
+  echo "creating 'data.json'..."
   sops exec-file $PRJ_ROOT/secrets/terraform-outputs.yaml \
     "yq eval --from-file \"template.yq\" {} --output-format json" \
     > "data.json"

shell/terraform/extractor/secrets.nix → devshell/terraform/extractor/secrets.nix

@@ -1,5 +1,9 @@
-{ writeShellScriptBin, yq-go, sops, fd }:
-
+{
+  writeShellScriptBin,
+  yq-go,
+  sops,
+  fd,
+}:
 writeShellScriptBin "terraform-outputs-extract-secrets" ''
   set -e
 

flake-modules/default.nix

@@ -0,0 +1,2 @@
+{
+}