bifrost: nixos on digitalocean 👌

.sops.yaml

@@ -6,6 +6,7 @@ keys:
   - &host_rico2 age19uy6xerll6st3s3ftfpy7075m9eetm2288l2w07k7ek6z2l3ef6qfw34cf
   - &host_wynne age1jyaf9rn5d5pqjh60shs2q5hs98fwugak8z6cs6qs7yuc3wntugmsumxmv0
   - &host_layne age1k2wpm88wms6hx3ldvu0n2je7pag9fexs9eq0e8hlkfcs2dx9eg9qlkf95d
+  - &host_bifrost age1jt8uleg4auf0h8ftl4ykq73epvgqml29q8ty0lz6kasta5h6td3shgxvrr
 creation_rules:
   - path_regex: secrets.yaml
     key_groups:
@@ -17,3 +18,4 @@ creation_rules:
       - *host_rico2
       - *host_wynne
       - *host_layne
+      - *host_bifrost

flake.nix

@@ -201,6 +201,28 @@
               ./hosts/layne
             ];
           };
+        Bifrost =
+          let
+            hostname = "Bifrost";
+            system = "x86_64-linux";
+            username = "adtya";
+          in
+          nixpkgs.lib.nixosSystem {
+            inherit system;
+            pkgs = packages system;
+            specialArgs = { inherit inputs username; };
+            modules = [
+              {
+                system.configurationRevision = lib.mkIf (self ? rev) self.rev;
+                networking.hostName = lib.mkForce hostname;
+                nixpkgs.hostPlatform = lib.mkDefault system;
+              }
+              sops-nix.nixosModules.sops
+              self.nixosModules.default
+              ./common
+              ./hosts/bifrost
+            ];
+          };
       };
 
       deploy.nodes = {
@@ -244,6 +266,14 @@
             path = deploy-rs.lib.x86_64-linux.activate.nixos self.nixosConfigurations.Layne;
           };
         };
+        Bifrost = {
+          hostname = "Biforst";
+          sshUser = "adtya";
+          profiles.system = {
+            user = "root";
+            path = deploy-rs.lib.x86_64-linux.activate.nixos self.nixosConfigurations.Bifrost;
+          };
+        };
       };
     }
     // flake-utils.lib.eachDefaultSystem (system:
@@ -264,6 +294,7 @@
         ];
       };
       packages.getpaper = pkgs.callPackage ./extra-packages/scripts/getpaper { };
+      packages.digitalOceanImage = (pkgs.nixos { imports = [ "${nixpkgs}/nixos/modules/virtualisation/digital-ocean-image.nix" ]; system.stateVersion = "24.11"; }).digitalOceanImage;
     }
     );
 }

hosts/bifrost/default.nix

@@ -0,0 +1,40 @@
+{ modulesPath, ... }: {
+  imports = [
+    (modulesPath + "/virtualisation/digital-ocean-config.nix")
+    ./network.nix
+    ./programs
+    ./services
+    ./security.nix
+  ];
+
+  nodeconfig = {
+    minimize = true;
+    nix.auto-gc = true;
+  };
+
+  i18n = {
+    defaultLocale = "en_US.UTF-8";
+    extraLocaleSettings = {
+      LC_ADDRESS = "en_US.UTF-8";
+      LC_IDENTIFICATION = "en_US.UTF-8";
+      LC_MEASUREMENT = "en_US.UTF-8";
+      LC_MONETARY = "en_US.UTF-8";
+      LC_NAME = "en_US.UTF-8";
+      LC_NUMERIC = "en_US.UTF-8";
+      LC_PAPER = "en_US.UTF-8";
+      LC_TELEPHONE = "en_US.UTF-8";
+      LC_TIME = "en_US.UTF-8";
+      LC_ALL = "en_US.UTF-8";
+    };
+    supportedLocales = [ "en_US.UTF-8/UTF-8" ];
+  };
+
+  time.timeZone = "Asia/Kolkata";
+  system = {
+    switch = {
+      enable = false;
+      enableNg = true;
+    };
+    stateVersion = "24.11";
+  };
+}

hosts/bifrost/network.nix

@@ -0,0 +1,12 @@
+{ lib, ... }: {
+  imports = [
+    ../shared/network.nix
+    ../shared/networkd.nix
+  ];
+  networking = {
+    nameservers = lib.mkForce [
+      "1.1.1.1"
+      "1.0.0.1"
+    ];
+  };
+}

hosts/bifrost/programs/default.nix

@@ -0,0 +1,16 @@
+{ pkgs, ... }: {
+  imports = [
+    ./neovim.nix
+    ./starship.nix
+    ./zsh.nix
+  ];
+
+  programs = {
+    git.enable = true;
+  };
+
+  environment.systemPackages = with pkgs; [
+    sops
+    age
+  ];
+}

hosts/bifrost/programs/neovim.nix

@@ -0,0 +1,8 @@
+_: {
+  programs.neovim = {
+    enable = true;
+    defaultEditor = true;
+    viAlias = true;
+    vimAlias = true;
+  };
+}

hosts/bifrost/programs/starship.nix

@@ -0,0 +1,8 @@
+_: {
+  programs.starship = {
+    enable = true;
+    settings = {
+      add_newline = false;
+    };
+  };
+}

hosts/bifrost/programs/zsh.nix

@@ -0,0 +1,10 @@
+_: {
+  programs = {
+    zsh = {
+      enable = true;
+      autosuggestions.enable = true;
+      syntaxHighlighting.enable = true;
+    };
+  };
+  environment.pathsToLink = [ "/share/zsh" ];
+}

hosts/bifrost/security.nix

@@ -0,0 +1,9 @@
+_: {
+  security = {
+    sudo = {
+      wheelNeedsPassword = false;
+    };
+    polkit.enable = true;
+  };
+}
+

hosts/bifrost/services/default.nix

@@ -0,0 +1,5 @@
+_: {
+  imports = [
+    ./ssh.nix
+  ];
+}

hosts/bifrost/services/ssh.nix

@@ -0,0 +1,21 @@
+_: {
+  services.openssh = {
+    enable = true;
+    settings = {
+      KbdInteractiveAuthentication = false;
+      PasswordAuthentication = false;
+      PermitRootLogin = "no";
+    };
+    hostKeys = [
+      {
+        path = "/persist/secrets/ssh/keys/ssh_host_ed25519_key";
+        type = "ed25519";
+      }
+      {
+        path = "/persist/secrets/ssh/keys/ssh_host_rsa_key";
+        type = "rsa";
+        bits = "4096";
+      }
+    ];
+  };
+}

hosts/rico2/services/apps/forgejo-actions-runner.nix

@@ -6,7 +6,7 @@
       group = config.users.users.root.group;
     };
   };
-   services.gitea-actions-runner = {
+  services.gitea-actions-runner = {
     package = pkgs.forgejo-runner;
     instances = {
       aarch64-runner = {

hosts/shared/networkd.nix

@@ -1,4 +1,4 @@
-_: {
+{ lib, config, ... }: {
   networking = {
     useNetworkd = true;
   };
@@ -26,7 +26,7 @@ _: {
           linkConfig = {
             RequiredForOnline = "yes";
           };
-          routes = [
+          routes = lib.mkIf ((lib.strings.toLower config.networking.hostName) != "bifrost") [
             {
               Destination = "165.232.180.97";
               Gateway = "_dhcp4";

secrets.yaml

@@ -37,65 +37,74 @@ sops:
         - recipient: age1w5rvr4nl8xvjjxpct4e2a2eajvm79v4r9nyxrcn40fm8d7h9l9cqkk0jtt
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBhMWpGcmtXcVp5dmxSUWQ0
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBFZ2NPRVZxUlFZbVArSlNz
-            RTBQd0RxNVdPODQrOVJOTjNiTkh4YjNVNzF3Cm5YUkxoT3ZPUmV2Q2xwbXBsSGl0
+            aGxBMCszb0JRbWJFNFhkcVJoa00xV3BJQ1JZCmcvZUpRODBkLzVWTDVqUWtCR3V3
-            c2drMXY3UnE2cHJjSjdHdW53TWUzaTgKLS0tIHJSdmQ2ZXF1NnJqTGtCUER3NEtY
+            ektBTkprdzFENTIxaEZZQ0RpZGRrUm8KLS0tIFc0aVhuZVh6dW4wbnZ1ajNDazdk
-            ejBNdEltL252RXN6M2VlZ3IyNkgyMk0K76RGGt1tXnm76nm/k6V3OObgDEnQG0eP
+            aXRQZUI4RVlEeGdUMXoya2RCRnMxRDQKWxogRGGH5dP8w80xBBchjxs0Hhw0o+BX
-            DDJKBQiUOqFan5Yu83CgkOFpFw+2eMFw23RFDoLmCMi8/dqAbQAqvw==
+            uxNQZoSYENIPESR7ydO7642r8xjLdQdfMEjKz/rnooCgB1Zy7X7kGw==
             -----END AGE ENCRYPTED FILE-----
         - recipient: age1mhks8qmhjrtc2u5ufvp3pv2hn7tkadvmscnp7wd0ywmnse0szctqsnpy0a
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSA4WEl5MDNuY2VvRTh5eU5N
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAxeDZYeTNtczE4eWVYcTcy
-            dFZsOEVmMklkZ3lHSG9SRTdzeTFmdGp0YURnCkxjOWJrRTA4MWh1Y0UvVDNMSFov
+            ZDZmeU8xZlppMHlQUlkyb3h2cWRGbXpBeUFNCjUzNGs1endaZ2tzTzE2SE1CYWg2
-            b1Zmc2R2MkNTUDVmVlU5c2J5Q0R5OVEKLS0tIE1HYk1veEg1NUpkQzZmWE5NeVM2
+            aHU0dnlpeU9aRTYyc2hCMU1YYlBFQ1UKLS0tIERsS2VUSVllcVhUNzExOEJqSlF4
-            Rk5sYy85VkhLb1hpRXB2M3Ntb1BocWsKy82qsGfMLs8HSJ5yHm0TmxQQL+JYNXDs
+            SVNNaHl0ckt4bmtSazloUnREM3VWZ28K2/DfdwYi7iMiNrHn/9FMEJX5aaL/PLoR
-            KjUeabcRK5Y5tE/z/axYAFz+y9ib7gfVQ7O1rb7Wa78OnxbeZxZYTA==
+            GYtO9JpFHFWngDSVsJm013NlsvAtCY1ep382EWK8Z/I+QahkoyBW2w==
             -----END AGE ENCRYPTED FILE-----
         - recipient: age106k9u5ns9h7smh3gqc40k9fft5emknvq669qdv8a29ak3ah4j38s5ng2gt
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSA1QnlsNk03OFpEUzgzNVRD
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBZOVBSdllDeWlaSWIvbWNq
-            RTJzR3dPV1hRTTNxeWU0dDA4L2lEZWQ4ank0CkdmdjM1SytORWg3VWUvdEtqQkRZ
+            ZVU3SDAvUlhOK0NXZWpDK1g2YlhBbnJoNEZZCnVMb2lRVjlIZDdQaDZONVRlSUJa
-            NzNTWWd3bzhncFFpNC9WQ3RMR1ZGRVEKLS0tIENmSWNibkxXS3p6NTVLczVrZDQ0
+            VElXOGl1T1ZseUFBY3ppUUZocGwyR3cKLS0tIG0xZE9BSlcxazRHQXZnNHl2RXRm
-            ZVFSb3JMNHZPWnFuRTZteXJPK2x1RDAKgcCvJcOerFinIkxZMscYpIzm2DRR/Iqe
+            bjVsNkk5MGxHVW15RHF0ZGE1czgrQlUK43DGYjIydqND7bSG/9fE8HMm3jzJ7KzI
-            hkzGGyiL++jb5pii9FjOk0IyWmRajWxSopbixNF0EpFZB7SvuywM6w==
+            tS94Djek5QSY2xQxXVdLQ3g9Rnbm7HF8bTjDlOhBM7drryuraLEBlg==
             -----END AGE ENCRYPTED FILE-----
         - recipient: age1829x4l8vdhcn97af0zq898tupll0smrqywxka4pswkt6mtn8qp7qqnnnl4
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAzcGRmZHJYU3BxRUNZcStS
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBNVW03RVlVUlZYOW5VdWdT
-            Q3RQcncxWjNOcVgzOGFuRDJDMGRKUXgxZld3CnVvY0ZFSHp4Q01wQlpsWHBOeGhs
+            K1NjaWswK0xSUzduUHgra1ZON3dsTVBFSWxjCkt0NnRVVXA3TnYwTlBQNXZTdG1t
-            TEdudVg2RVRLT1A0VngvbFlORXg5U2sKLS0tIFhkVnkzaVdxWlptTDE0N3cvZ3Ft
+            YVRQTWcySVRrQitOQjNlc2JBWmNXME0KLS0tIFhUa1IzY0dSSWJRR0FIOGZ5QkQv
-            Zy93VlBLOU9lRm1JU2Q1WUNOY0UwYXcKRXB/cx+C1RI/KTPhBSAX6WYJfTZeT0fJ
+            dXQzNXkyTlVPdzhGMXdjRS9ENnFHL0EKB4YiqGAcL0VlRRj0TPwfgSKHKTEnGBsO
-            i9syUWhIxpozsaXhN4wRw3fdQCFtDI8zXqqqpWoV9Pc3mU1SakWI+A==
+            cbSd3iKO9TDxWQwz46cpY6NmRTORlq4j0kzPAm4k5JLHUVwulgwb0g==
             -----END AGE ENCRYPTED FILE-----
         - recipient: age19uy6xerll6st3s3ftfpy7075m9eetm2288l2w07k7ek6z2l3ef6qfw34cf
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB4RkE3dGVBUW5zTmdnSGd1
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBhSU40amdyMzZ6Wm9TUHc2
-            ZkhDVTFNSkFQUDZvMjdObXdOTk1BMDBFM0FzCi9hTjUwdmQ5dytmUEdlN0VJRzAw
+            VXcwN3Q1azQwaEtxZDZpdW8xemMwcVZJb1E4ClVHRjY1TEFMZXdtWVExYmRVWkJk
-            NWs3b2Z6L21QMTVZRGM1dm5GS0ZmdzAKLS0tIHpsbGk2N1RGRmtZMTR2MTFYTWRs
+            NmhHZysyUkI4VnJOZzVSQlRwbXI2QU0KLS0tIFJpbmRFRUM5MzlSNDF2RC9Fd0dY
-            Z2d5cEczcFZUZTVGUFdiY2hKOEV5T1kKoJm8Y0yqY/Zxu/WMlnGsLZNEeAnXPLgz
+            VlByaWhmemc1WWxCQmkyQUxVOEc1SDAK42kD7infmLQKLjZUcsu6EHAMV5zRzGRb
-            kKmcVecpz/mOJ4rrnx+PsrPLhnL2ZW5ZavcmMaUJy7QNZ/XBgEZhCA==
+            E6hv2YYUHF7uLgEcPEq4hJZ72kjMyyqyebv0qLQB5VIylifrMJrO2g==
             -----END AGE ENCRYPTED FILE-----
         - recipient: age1jyaf9rn5d5pqjh60shs2q5hs98fwugak8z6cs6qs7yuc3wntugmsumxmv0
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBYV2NNOFAvOWlESGJRN29w
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBQU3ZTOGtIamlOQzNrTDg0
-            cFBTR0JBY295c2drbm1LSVA2MXhGNDcrcmlvCk1WU3ltMmJuOXdYVkJacmJmeExH
+            SHUzR1F6RTBtZU1zNDVFUFFFejBlUFRYUkVJCnkxZWFuVGJCV1Nzb29Sa3lxU2x2
-            ZU1YSnhDaXVqa1ZmcmdIYXJKS2o5VjAKLS0tIFlGVHFJTC9hQy9EWTJhWU4rdkdS
+            bm4zSFp3Q0hHUEJUTEpuem9rYmE3YnMKLS0tIHUxSEZQV1B3ek5KYUZjbG03c1Rh
-            S2ZBMDNpMTdTQWtzc1o0dm9JRnU4SXMK/jC+w8/yeGuFOyWzDnPJI19+oNleiwDw
+            Zm10bjJwWkQwcVVVVjVxWGFRVGwrOFkK/LmuPpecWWHnTa4DXY2UiCUOfsxUG04Z
-            qtRbjD8+hCTDPUB78nZYSEKVWB4lcLEhT846W8V8xF4vM+EyCEbiHw==
+            dKZ9GAyA6QPsBJgrEHxNd/PHmLIEA/Vhw12ZsSKCksaFD2at8q513w==
             -----END AGE ENCRYPTED FILE-----
         - recipient: age1k2wpm88wms6hx3ldvu0n2je7pag9fexs9eq0e8hlkfcs2dx9eg9qlkf95d
           enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAzUCtlRnRtK0tZOGpQOTlk
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBaaVpYU3JJQ05iNGdYNHMv
-            MzRaRFhXV2kzUHVYYlFQcm93UVllVVFyY1dVCmFLNlRvNjJBaW5GWmJ6eFhsWmtY
+            MjFIcEw4bk9UdWVaSnhncUJkYmlaaHlxSnpRClJMemtIcklGUzE0ZzZaVXNiS0dO
-            N2trOERxTmNHWXUwNk9BcmVleEpXTVUKLS0tIFYzL005bDZaUVVQWW1nd2JKWlFk
+            SGdxWVpjRzdHSDROcVl2bTNxVzlwTmsKLS0tIFE4cHFpOWpSYlRLYnZjVmlTc1V2
-            YzdpTitkMHh6VUFtV2FodVF6OWJkTU0KBjC+esgHZ8hTWXwZ+cy4++jLP+gsruHM
+            UVV6WlpRbzk0UjZVL2RMQmNnNnlvZ1UKhrTqF6vq1c2jsrvjtMv+03fwj5MZIVTn
-            fmRDhvQu0MNHkjQ8q4VmwRVl10uc8CyTDFTuyDoAhvmnzXHtrg1wpA==
+            uPY7OHqm0scOxARNIW7nVYeTIxNYFEPvfZiriydrOtXfrVZB4u82IQ==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1jt8uleg4auf0h8ftl4ykq73epvgqml29q8ty0lz6kasta5h6td3shgxvrr
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB4ajFvYVJxejJkcTM0Rm5n
+            a0tOWFE4Q1R6ZS9qZE1BTVZybnRSTS94Y0NFCjJIUjRwODMvcmFKN3VvYUNVOFB3
+            V1lJZW56STFra0JsRXF0RVM3eWtLaTQKLS0tIC95SmtrRTFRbW0raCtZWTN4RkFJ
+            UXJhWFFnQnFvOEF0M0JFb3E4UVB4UU0KSUq4d8eudY03p/fd8S8f1wk0OU4BlNYB
+            tldkOx2DhSvcVr/FcIJIR2PFbU8o50kYj9R0HR2sHJ5C5fJ0cDXY4A==
             -----END AGE ENCRYPTED FILE-----
     lastmodified: "2024-10-31T05:28:50Z"
     mac: ENC[AES256_GCM,data:PbyhjXr/IZw+5q0PqTjXowHaiB31NjZzYpKhVV5s43+XrdMpVhcaqr9Gs7yTsqNsSc36uZ1YRymwYr8i+bF1k81lvDgyEr38Pl3vcEoIy+jNPaVnxXBRW6CL69cKfC058GmuPRYIyevorw3G3DtpLsCT5lGiMS9XedmBMf3rsw0=,iv:lHO27bURe7apOq/2KQXttou/OJMRM4uBrpqH26hBIDE=,tag:1ulMCx3/UCWCplUv+NJqNA==,type:str]