Add ERIS CoAP server to nncp

flake.lock

@@ -1,5 +1,26 @@
 {
   "nodes": {
+    "eris": {
+      "inputs": {
+        "nimble": "nimble",
+        "nixpkgs": [
+          "nixos"
+        ]
+      },
+      "locked": {
+        "lastModified": 1662480366,
+        "narHash": "sha256-TvVZy/iE5jcWWyVFV+9NUrptkepn5V8ttN91EMYueZ0=",
+        "ref": "refs/heads/trunk",
+        "rev": "39efd5f8333cdff03bd12766ce3943c1e91f27fc",
+        "revCount": 18,
+        "type": "git",
+        "url": "https://codeberg.org/eris/nix-eris"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://codeberg.org/eris/nix-eris"
+      }
+    },
     "fenix": {
       "inputs": {
         "nixpkgs": [
@@ -36,6 +57,21 @@
         "type": "github"
       }
     },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1637014545,
+        "narHash": "sha256-26IZAc5yzlD9FlDT54io1oqG/bBoyka+FJk5guaX4x4=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "bba5dcc8e0b20ab664967ad83d24d64cb64ec4f4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "heliwatch": {
       "inputs": {
         "fenix": [
@@ -189,6 +225,28 @@
         "type": "github"
       }
     },
+    "naersk_2": {
+      "inputs": {
+        "nixpkgs": [
+          "ticker",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1659610603,
+        "narHash": "sha256-LYgASYSPYo7O71WfeUOaEUzYfzuXm8c8eavJcel+pfI=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "c6a45e4277fa58abd524681466d3450f896dc094",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "c6a45e4277fa58abd524681466d3450f896dc094",
+        "type": "github"
+      }
+    },
     "newNixpkgs": {
       "locked": {
         "lastModified": 1647380550,
@@ -221,6 +279,26 @@
         "type": "github"
       }
     },
+    "nimble": {
+      "inputs": {
+        "nixpkgs": [
+          "eris",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1662431150,
+        "narHash": "sha256-0TD9T6aMxUGe9FVvTI6np8V5HnnOgl4aoeSJ7XJgKZM=",
+        "owner": "nix-community",
+        "repo": "flake-nimble",
+        "rev": "961c2ab20939f0aaae17f97ab5a72e2c6589e600",
+        "type": "github"
+      },
+      "original": {
+        "id": "nimble",
+        "type": "indirect"
+      }
+    },
     "nix": {
       "inputs": {
         "lowdown-src": "lowdown-src",
@@ -462,6 +540,7 @@
     },
     "root": {
       "inputs": {
+        "eris": "eris",
         "fenix": "fenix",
         "flake-utils": "flake-utils",
         "heliwatch": "heliwatch",
@@ -481,12 +560,35 @@
         "secrets": "secrets",
         "sops-nix": "sops-nix",
         "spacemsg": "spacemsg",
+        "syndicate": "syndicate",
         "ticker": "ticker",
         "tigger": "tigger",
         "yammat": "yammat",
         "zentralwerk": "zentralwerk"
       }
     },
+    "rust": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": [
+          "syndicate",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1656384549,
+        "narHash": "sha256-hUe2t7//B9U9SSODAplfzdKkwxwO4kHsPX2k0y95SUU=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "61df523b5c22665d89710d9985cf5afe751d703f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
     "rust-analyzer-src": {
       "flake": false,
       "locked": {
@@ -579,14 +681,33 @@
         "type": "github"
       }
     },
+    "syndicate": {
+      "inputs": {
+        "nixpkgs": [
+          "nixos"
+        ],
+        "rust": "rust"
+      },
+      "locked": {
+        "lastModified": 1662481109,
+        "narHash": "sha256-h1PqGefF5mptkQmvXY7hSlBApK4t854QWsLEW0plq14=",
+        "ref": "refs/heads/trunk",
+        "rev": "3f4c5ae37e5e26b2a9167eb0503927b41e678871",
+        "revCount": 53,
+        "type": "git",
+        "url": "https://git.syndicate-lang.org/ehmry/syndicate-flake"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.syndicate-lang.org/ehmry/syndicate-flake"
+      }
+    },
     "ticker": {
       "inputs": {
         "fenix": [
           "fenix"
         ],
-        "naersk": [
+        "naersk": "naersk_2",
-          "naersk"
-        ],
         "nixpkgs": [
           "nixos"
         ],

flake.nix

@@ -6,6 +6,10 @@
     nixpkgs-mobilizon.url = "github:minijackson/nixpkgs/init-mobilizon";
     nixos-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
     nixos-hardware.url = "github:nixos/nixos-hardware";
+    eris = {
+      url = "git+https://codeberg.org/eris/nix-eris";
+      inputs.nixpkgs.follows = "nixos";
+    };
     fenix = {
       url = "github:nix-community/fenix";
       inputs.nixpkgs.follows = "nixos";
@@ -86,6 +90,10 @@
       url = "github:astro/tigger";
       flake = false;
     };
+    syndicate = {
+      url = "git+https://git.syndicate-lang.org/ehmry/syndicate-flake";
+      inputs.nixpkgs.follows = "nixos";
+    };
     yammat = {
       url = "git+https://gitea.c3d2.de/C3D2/yammat.git?ref=nix";
       inputs.nixpkgs.follows = "nixos";
@@ -100,7 +108,7 @@
     };
   };
 
-  outputs = inputs@{ self, nixos-unstable, nixos, secrets, nixos-hardware, zentralwerk, yammat, scrapers, spacemsg, tigger, ticker, heliwatch, sops-nix, naersk, fenix, microvm, riscv64, oparl-scraper, ... }:
+  outputs = inputs@{ self, eris, fenix, heliwatch, microvm, naersk, nixos, nixos-hardware, nixos-unstable, oparl-scraper, riscv64, scrapers, secrets, sops-nix, spacemsg, syndicate, ticker, tigger, yammat, zentralwerk, ... }:
     let
       inherit (nixos) lib;
       forAllSystems = lib.genAttrs [ "aarch64-linux" "x86_64-linux" ];
@@ -148,10 +156,15 @@
         inherit nixos-unstable;
       };
 
-      legacyPackages = lib.attrsets.mapAttrs
+      legacyPackages = lib.attrsets.mapAttrs (system: pkgs:
-        (system: pkgs: pkgs.appendOverlays
+        pkgs.appendOverlays [
-          [ fenix.overlay naersk.overlay self.overlay ])
+          fenix.overlay
-        nixos.legacyPackages;
+          naersk.overlay
+          syndicate.overlays.default
+          eris.inputs.nimble.overlay
+          eris.overlays.default
+          self.overlay
+        ]) nixos.legacyPackages;
 
       packages = lib.attrsets.mapAttrs (system: pkgs:
         let overlayPkgs = builtins.intersectAttrs (self.overlay {} {}) pkgs;
@@ -531,7 +544,15 @@
           modules = [
             self.nixosModules.microvm
             self.nixosModules.nncp
+            syndicate.nixosModules.default
             ./hosts/nncp
+            {
+              nixpkgs.overlays = [
+                syndicate.overlays.default
+                eris.inputs.nimble.overlay
+                eris.overlays.default
+              ];
+            }
           ];
         };
 

hosts/nncp/default.nix

@@ -1,7 +1,7 @@
 { config, lib, pkgs, ... }:
 
 {
-  imports = [ ./neighbours.nix ];
+  imports = [ ./eris.nix ./neighbours.nix ];
 
   microvm.interfaces = [ {
     type = "tap";
@@ -33,7 +33,7 @@
       neigh = # use c3d2.nncp.neigh but remove this node
         let
           hourlyCall = {
-            cron = "0 42 * * * * *"; # 4:00
+            cron = "0 42 * * * * *";
             xx = "tx"; # transmit only
             when-tx-exists = true;
           };

hosts/nncp/eris.nix

@@ -0,0 +1,30 @@
+{ pkgs, ... }:
+
+let home = "/var/spool/eris";
+in {
+  services.syndicate.eris = {
+    enable = true;
+    user = "eris";
+    config = [
+      (pkgs.writeText "eris.pr" ''
+        <require-service <daemon eris-resolver>>
+        <daemon eris-resolver {
+          argv: [ "${pkgs.nimPackages.eris_utils}/bin/eriscmd" "resolver" ]
+          protocol: text/syndicate
+        }>
+
+        ? <service-object <daemon eris-resolver> ?cap> $cap [
+          <coap-server "::" 5683 #{Get Put}>
+          <tkrzw "${home}/eris.tkh" #{Get Put} >
+        ]
+      '')
+    ];
+  };
+
+  users.groups.eris = { };
+  users.users.eris = {
+    isSystemUser = true;
+    group = "eris";
+    inherit home;
+  };
+}