garage: init buckets.pub.solar, use nginx as reverse proxy

https://garagehq.deuxfleurs.fr/documentation/cookbook/reverse-proxy/

hosts/default.nix

@@ -100,6 +100,7 @@
           #self.nixosModules.promtail
 
           self.nixosModules.garage
+          self.nixosModules.nginx
         ];
       };
 
@@ -116,6 +117,7 @@
           #self.nixosModules.promtail
 
           self.nixosModules.garage
+          self.nixosModules.nginx
         ];
       };
 
@@ -132,6 +134,7 @@
           #self.nixosModules.promtail
 
           self.nixosModules.garage
+          self.nixosModules.nginx
         ];
       };
     };

modules/garage/default.nix

@@ -16,12 +16,73 @@
     mode = "400";
   };
 
+  age.secrets."acme-namecheap-env" = {
+    file = "${flake.self}/secrets/acme-namecheap-env.age";
+    mode = "400";
+  };
+
   networking.firewall.allowedTCPPorts = [
     3900
     3901
     3902
   ];
 
+  security.acme = {
+    defaults = {
+      environmentFile = config.age.secrets.acme-namecheap-env.path;
+    };
+    certs = {
+      # Wildcard certificate gets created automatically
+      "buckets.${config.pub-solar-os.networking.domain}" = {
+        # disable http challenge
+        webroot = null;
+        # enable dns challenge
+        dnsProvider = "namecheap";
+        dnsPropagationCheck = false;
+      };
+      # Wildcard certificate gets created automatically
+      "web.${config.pub-solar-os.networking.domain}" = {
+        # disable http challenge
+        webroot = null;
+        # enable dns challenge
+        dnsProvider = "namecheap";
+        dnsPropagationCheck = false;
+      };
+    };
+  };
+
+  services.nginx = {
+    upstreams.s3_backend.servers = {
+      "[::1]:3900" = { };
+    };
+    upstreams.web_backend.servers = {
+      "[::1]:3902" = { };
+    };
+    virtualHosts."buckets.${config.pub-solar-os.networking.domain}" = {
+      serverAliases = ["*.buckets.${config.pub-solar-os.networking.domain}"];
+
+      enableACME = true;
+      forceSSL = true;
+
+      locations."/" = {
+        proxyPass = "http://s3_backend";
+        extraConfig = ''
+          proxy_max_temp_file_size 0;
+        '';
+      };
+    };
+    virtualHosts."web.${config.pub-solar-os.networking.domain}" = {
+      serverAliases = ["*.web.${config.pub-solar-os.networking.domain}"];
+
+      enableACME = true;
+      forceSSL = true;
+
+      locations."/" = {
+        proxyPass = "http://web_backend";
+      };
+    };
+  };
+
   services.garage = {
     enable = true;
     package = pkgs.garage_1_0_0;

secrets/secrets.nix

@@ -100,4 +100,6 @@ in
   # garage
   "garage-rpc-secret.age".publicKeys = garageKeys ++ adminKeys;
   "garage-admin-token.age".publicKeys = garageKeys ++ adminKeys;
+
+  "acme-namecheap-env.age".publicKeys = garageKeys ++ adminKeys;
 }

terraform/dns.tf

@@ -99,6 +99,51 @@ resource "namecheap_domain_records" "pub-solar" {
     type     = "A"
     address  = "80.71.153.210"
   }
+  record {
+    hostname = "buckets"
+    type     = "A"
+    address  = "85.215.152.22"
+  }
+  record {
+    hostname = "buckets"
+    type     = "A"
+    address  = "5.255.119.132"
+  }
+  record {
+    hostname = "buckets"
+    type     = "A"
+    address  = "194.13.83.205"
+  }
+  record {
+    hostname = "buckets"
+    type     = "AAAA"
+    address  = "2a01:239:35d:f500::1"
+  }
+  record {
+    hostname = "buckets"
+    type     = "AAAA"
+    address  = "2a04:52c0:124:9d8c::2"
+  }
+  record {
+    hostname = "buckets"
+    type     = "AAAA"
+    address  = "2a03:4000:43:24e::1"
+  }
+  record {
+    hostname = "*.buckets"
+    type     = "CNAME"
+    address  = "buckets.pub.solar."
+  }
+  record {
+    hostname = "web"
+    type     = "CNAME"
+    address  = "buckets.pub.solar."
+  }
+  record {
+    hostname = "*.web"
+    type     = "CNAME"
+    address  = "buckets.pub.solar."
+  }
   record {
     hostname = "tankstelle"
     type     = "A"