add forgejo microvm

3 files changed, 189 insertions, 0 deletions

diff --git a/hosts/forgejo/default.nix b/hosts/forgejo/default.nix
new file mode 100644
index 0000000..02211e5
--- /dev/null
+++ b/hosts/forgejo/default.nix
@@ -0,0 +1,77 @@
+{ config, lib, ... }:
+let
+  mac = "02:00:00:00:00:05";
+in
+{
+  imports = [
+    ./forgejo.nix
+  ];
+  sops.defaultSopsFile = ./secrets.yaml;
+  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
+
+  sops.secrets = {
+    "wg/0xa-proxy" = {
+      owner = config.users.users.systemd-network.name;
+    };
+  };
+
+  microvm = {
+    hypervisor = "qemu";
+    mem = 3 * 1024;
+    vcpu = 2;
+    interfaces = [
+      {
+        type = "tap";
+        id = "uvm-forgejo";
+        mac = mac;
+      }
+    ];
+    shares =
+      [
+        {
+          source = "/nix/store";
+          mountPoint = "/nix/.ro-store";
+          tag = "store";
+          proto = "virtiofs";
+          socket = "store.socket";
+        }
+      ]
+      ++ map
+        (dir: {
+          source = dir;
+          mountPoint = "/${dir}";
+          tag = dir;
+          proto = "virtiofs";
+          socket = "${dir}.socket";
+        })
+        [
+          "etc"
+          "var"
+          "home"
+        ];
+  };
+
+  networking.useNetworkd = true;
+  networking.firewall.enable = lib.mkForce false; # firewalling done by the host
+
+  systemd.network = {
+    enable = true;
+    networks."11-host" = {
+      matchConfig.MACAddress = mac;
+      networkConfig = {
+        Address = "10.99.99.15/24";
+        DHCP = "no";
+      };
+      routes = [
+        {
+          Gateway = "10.99.99.1";
+          Destination = "0.0.0.0/0";
+          Metric = 1024;
+        }
+      ];
+    };
+  };
+
+  networking.hostName = "forgejo";
+  system.stateVersion = "24.11";
+}
diff --git a/hosts/forgejo/forgejo.nix b/hosts/forgejo/forgejo.nix
new file mode 100644
index 0000000..965354f
--- /dev/null
+++ b/hosts/forgejo/forgejo.nix
@@ -0,0 +1,70 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+{
+  services.forgejo = {
+    enable = true;
+    package = pkgs.forgejo;
+    useWizard = false;
+    database = {
+      type = "postgres";
+      createDatabase = true;
+    };
+    lfs.enable = true;
+    settings = {
+      DEFAULT.APP_NAME = "0xa's compilable shitposts";
+      actions.ENABLED = false;
+      database.LOG_SQL = false;
+      indexer.REPO_INDEXER_ENABLED = true;
+      mailer.ENABLED = false;
+      packages.ENABLED = false;
+      session.COOKIE_SECURE = true;
+      server = {
+        DOMAIN = "git.oxapentane.com";
+        SSH_DOMAIN = "git.oxapentane.com";
+        ROOT_URL = "https://git.oxapentane.com/";
+        PROTOCOL = "http";
+        START_SSH_SERVER = true;
+        BUILTIN_SSH_SERVER_USER = "git";
+        SSH_LISTEN_PORT = 2222;
+      };
+      repository = {
+        DEFAULT_REPO_UNITS = "repo.code,repo.releases,repo.issues,repo.pulls";
+        ENABLE_PUSH_CREATE_USER = true;
+      };
+      service = {
+        REGISTER_EMAIL_CONFIRM = false;
+        DISABLE_REGISTRATION = true;
+      };
+      oauth2_client = {
+        ENABLE_AUTO_REGISTRATION = true;
+        USERNAME = "nickname";
+        ACCOUNT_LINKING = "login";
+      };
+    };
+  };
+
+  # expose forgejo cli
+  environment.systemPackages =
+    let
+      cfg = config.services.forgejo;
+      forgejo-cli = pkgs.writeScriptBin "forgejo-cli" ''
+        #!${pkgs.runtimeShell}
+        cd ${cfg.stateDir}
+        sudo=exec
+        if [[ "$USER" != forgejo ]]; then
+          sudo='exec /run/wrappers/bin/sudo -u ${cfg.user} -g ${cfg.group} --preserve-env=GITEA_WORK_DIR --preserve-env=GITEA_CUSTOM'
+        fi
+        # Note that these variable names will change
+        export GITEA_WORK_DIR=${cfg.stateDir}
+        export GITEA_CUSTOM=${cfg.customDir}
+        $sudo ${lib.getExe cfg.package} "$@"
+      '';
+    in
+    [
+      forgejo-cli
+    ];
+}
diff --git a/hosts/forgejo/secrets.yaml b/hosts/forgejo/secrets.yaml
new file mode 100644
index 0000000..1bcf0a0
--- /dev/null
+++ b/hosts/forgejo/secrets.yaml
@@ -0,0 +1,42 @@
+wg:
+    0xa-proxy: ENC[AES256_GCM,data:DZB/1S2Ev71DbnN+8C/K0mjIf/13Ki1f6vOIOdhsS6qyXKr5OwpbNb9KA0k=,iv:Gnd32DRJtP8LsC1P9GyS98oCLq/MBSCNcxrZngVXF6g=,tag:gyrzJOx9CS+1Kw5JRONIAw==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1gknaqevzuq7dtqalng3547w5qflk9a0kugymea5h54eg6twu43pqpkr4zt
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAyV0ttcmFIeWtCdTFuS0Y1
+            ZzZHdUJmZ3ZlaUx3d0x5NGVaLzhXZjdtZHk4CkprNUZ5VThydVJ2dTBCdE5OQS8z
+            c0VtY1Vmd2N3bThEdDBFZWMxUC83RXMKLS0tIFluRjRrNG1Qam9MSjVvUWJjbHdq
+            VVRSM2JuOHpTYXRmOVRRSUN0NzlZeDQKcZ6ym4DTJqZjRpAUcWBcYXR/nVYZzhLx
+            vhtZzCmaQc2qYSVtDZE51N3cTqPWJD+l/cr8zp2lo0GCfNWO6BQthg==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2025-02-03T18:25:04Z"
+    mac: ENC[AES256_GCM,data:sSG52AUXjzVo5klAx+t9rhWn/alKAETF6bPUSYP5Dz7WH3vcY5bs87RCm+BdxzlueHMTn4HBQ5iZ2V4e34403GPJsQMYgWSkKapbWGBRurT0xBO5aCJhxZWpvjFSPdehOGNODKGtYFgBVd81PwZRWFdx3MrkwIItyYEq4TAtIyI=,iv:p+t0QmQKDaSiwtuHfLzR31AzmmS39NFq1nn1BAG5YTk=,tag:FSm77zDvPbHCarkGZCgtmg==,type:str]
+    pgp:
+        - created_at: "2025-02-03T18:24:33Z"
+          enc: |-
+            -----BEGIN PGP MESSAGE-----
+
+            hQIMA7zUOKwzpAE7AQ//fcUVRBuEFENKNck1l2/QVMIRwfZzxJO5fMy/r0GQzKiR
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+            XgFpMQ+15G4NNCDpgJWGUUXc1H+OKj3XepY5EoONnhusT/gJAtxT9vnuJ+T9LDTt
+            a0Ye2g3jxugeupJ58vbZUifHy/B0OtSeXKkRHZuycCJd3bzxzNxpXLJ23ds40JA=
+            =/5W1
+            -----END PGP MESSAGE-----
+          fp: DD0998E6CDF294537FC604F991FA5E5BF9AA901C
+    unencrypted_suffix: _unencrypted
+    version: 3.9.4