[SiriusA] Sets up webhooks for deployment

.sops.yaml

@@ -10,7 +10,7 @@ creation_rules:
           - *drew_vega
           - *drew_mcp
           - *server_mcp
-  - path_regex: secrets/mcp.yaml
+  - path_regex: secrets/sirius.yaml
     key_groups:
       - age:
           - *drew_vega

secrets/sirius.yaml

@@ -0,0 +1,26 @@
+webhook:
+    deploy-key: ENC[AES256_GCM,data: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,iv:itchCa14rgALz5Gurm9dh+nWvz0pGi0EFtUlF+Jh3pU=,tag:ucrpJbZmPf9z5x5bHUXnRQ==,type:str]
+sops:
+    age:
+        - recipient: age1dstsz5g4qthwt2sssu5wp787ku7rnfqm02mqaefsaueswhvqzpmsyft4p4
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB2ellCLzVCdmFtN0grU3FO
+            Y3BEOW53ejVZZjlYWFNmOG4yUHB5MUV2UUhzCnZ6UTQ2VXVXZFp4MzgzRE1xdGJk
+            Z0VrTytJeXdQYzFCbkFHUWFVSXA5ZjAKLS0tIEo4UjJvMGlxcjdEcFBhYXNlMEli
+            MysyWkdHZ09lV29mMnJoUnRTNVU4bXMKSkL3VBnBTqrLpG3fuiDTCPNZTFWZbJEW
+            VLwB6g/K3b573MgfXGCCPs9nwdDurqpz0zxB4pEBl0N6fU2CwqAxqQ==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1jrk4h7x4qzhr6z5m4d099mlfyjc4n5n9s52r4gfsdz0slnqlqa9sss735v
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBwWDJZQ2ZESkltQjFHRHpI
+            cXU0WFo1aFJrT2VTNlFTY2s5T0gxSWRoa0F3Ck9tVnFtZ3c4T0tWQTNhYXRrU3Ri
+            dFRrcWp3VnRPRDc5Y3JZZ1U1SDNSbXMKLS0tIFFqMUdNU3VFODhMdmJZN0ZuZGgz
+            Z2JFS25iM3YvaVh0L3JkRk5DODZwZzgKg8C2kboc7EojVva+8KWW+pVhSbovwHp9
+            noZ68vZ8NxsBP3CNFBBN1xKT7gQduShUcmSQUQizZ6fxtxO+GLy4Pg==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2026-05-18T22:16:11Z"
+    mac: ENC[AES256_GCM,data:+/cn2b06HsQ23UL4YyTa51eepBelypcfBCVrG9a6HWhuX0KMpi9bn55IuZ6VbyN2uGc5+yCJcQBtAPm4+Mdi9UdGAWoePYIvQwu6ct12xIOLBF4P7eDRwjlWykANF9/jWFoPfd/hu+LiM2Ow09RTZTnExgAjYiCrq7YJRTrjIfU=,iv:ODluo/RXmSu7PzzXS/ZnFNMzUOjcrCpkzHoAviCNDUU=,tag:2LW9hIP6dq23/coQbTLOww==,type:str]
+    unencrypted_suffix: _unencrypted
+    version: 3.12.1

system/hosts/mcp/README.md

@@ -1,3 +1,10 @@
 # mcp
 
-Configuration for the MCP server
+Configuration for the MCP server.
+
+## Sops
+
+```bash
+nix-shell -p sops --run "sops secrets/mcp.yaml"
+```
+

system/hosts/sirius-a/README.md

@@ -0,0 +1,9 @@
+# Sirius
+
+The brightest star in the sky.
+
+## Sops
+
+```bash
+nix-shell -p sops --run "sops secrets/sirius.yaml"
+```

system/hosts/sirius-a/configuration.nix

@@ -6,6 +6,8 @@
 {
   imports = [
     ./gandicloud.nix
+    ./sops.nix
+    ./webhooks.nix
   ];
 
   networking = {

system/hosts/sirius-a/default.nix

@@ -1,9 +1,10 @@
-{ ... }:
+{ inputs, ... }:
 {
   imports = [
     ./configuration.nix
     ../../authorized-keys.nix
     ../../features/gc.nix
+    inputs.sops-nix.nixosModules.sops
   ];
 
   nixpkgs.config.allowUnfree = true;

system/hosts/sirius-a/sops.nix

@@ -0,0 +1,14 @@
+_: {
+  ### Secrets
+  sops = {
+    defaultSopsFile = ../../../secrets/sirius.yaml;
+    age = {
+      # Use the host key for sops
+      sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
+      # Where to store the key
+      keyFile = "/var/lib/sops-nix/key.txt";
+      # Generate the key if it doesn't exist
+      generateKey = true;
+    };
+  };
+}

system/hosts/sirius-a/webhooks.nix

@@ -0,0 +1,92 @@
+{ config, pkgs, ... }:
+let
+  gitKnownHosts = pkgs.writeText "known_hosts" ''
+    [git.blazestar.net]:2222 ssh-rsa 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
+  '';
+  deployNpmApp =
+    with pkgs;
+    writeShellApplication {
+      name = "build-npm-app";
+      runtimeInputs = [
+        openssh
+        gitFull
+        nodejs_22
+        bashNonInteractive
+        rsync
+      ];
+      text = ''
+        set -e
+
+        echo "Deploying in $(pwd) as $(id)"
+
+        OUTPUT_DIR="./$(date --utc --iso-8601=seconds)"
+
+        echo "Deploying into $OUTPUT_DIR"
+
+        export GIT_SSH_COMMAND='ssh -v -o "UserKnownHostsFile ${gitKnownHosts}" -i "${
+          config.sops.secrets."webhook/deploy-key".path
+        }"'
+
+        # Disable astro telemetry otherwise it will try to write to `~/.config/astro/config.json`
+        export ASTRO_TELEMETRY_DISABLED=1
+
+        # Fetch the repository and make sure we are reset to HEAD
+        git fetch origin main
+        git reset --hard
+        git checkout main
+        git reset --hard origin/main
+
+        # Use a local cache with --cache .npm
+        npm ci --cache .npm
+        npm run build -- --outDir "$OUTPUT_DIR"
+
+        echo "Activating $OUTPUT_DIR"
+        # Trailing slash on source to only copy contents, not the directory itself
+        rsync --archive --delete "$OUTPUT_DIR"/ deployed
+        echo "Deployment complete"
+      '';
+    };
+in
+{
+  sops.secrets = {
+    "webhook/deploy-key" = {
+      restartUnits = [ "webhook.service" ];
+      owner = config.users.users.webhook.name;
+    };
+  };
+
+  services.webhook =
+    let
+      trigger-rule = {
+        or = [
+          {
+            match = {
+              type = "payload-hmac-sha1";
+              secret = "mysecret";
+              parameter = {
+                source = "header";
+                name = "X-Hub-Signature";
+              };
+            };
+          }
+        ];
+      };
+    in
+    {
+      enable = true;
+      verbose = true;
+      port = 9000;
+      openFirewall = true;
+      hooks = {
+        "deploy-blazestar-net" = {
+          id = "deploy-blazestar-net";
+          http-methods = [ "POST" ];
+          command-working-directory = "/web/blazestar.net";
+          include-command-output-in-response-on-error = true;
+          execute-command = "${deployNpmApp}/bin/build-npm-app";
+          trigger-rule-mismatch-http-response-code = 400;
+          inherit trigger-rule;
+        };
+      };
+    };
+}