[nix] searxng recipe for installation via nix

- flake & compatibility
- searxng package & overlay for installation via Nix package manager
- development shell with make & python with dependencies for local
  execution of built artifact
This commit is contained in:
efim 2021-09-09 14:10:09 +03:00
parent 00b0394e19
commit fc7e5bcc5b
5 changed files with 244 additions and 0 deletions

1
.gitignore vendored
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@ -15,3 +15,4 @@ dist/
local/
gh-pages/
*.egg-info/
/result

9
default.nix Normal file
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@ -0,0 +1,9 @@
(import (
let
lock = builtins.fromJSON (builtins.readFile ./flake.lock);
in fetchTarball {
url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
sha256 = lock.nodes.flake-compat.locked.narHash; }
) {
src = ./.;
}).defaultNix

126
flake.lock generated Normal file
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@ -0,0 +1,126 @@
{
"nodes": {
"flake-compat": {
"flake": false,
"locked": {
"lastModified": 1627913399,
"narHash": "sha256-hY8g6H2KFL8ownSiFeMOjwPC8P0ueXpCVEbxgda3pko=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "12c64ca55c1014cdc1b16ed5a804aa8576601ff2",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-utils": {
"locked": {
"lastModified": 1629481132,
"narHash": "sha256-JHgasjPR0/J1J3DRm4KxM4zTyAj4IOJY8vIl75v/kPI=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "997f7efcb746a9c140ce1f13c72263189225f482",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"flake-utils_2": {
"locked": {
"lastModified": 1601282935,
"narHash": "sha256-WQAFV6sGGQxrRs3a+/Yj9xUYvhTpukQJIcMbIi7LCJ4=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "588973065fce51f4763287f0fda87a174d78bf48",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"mach-nix-src": {
"inputs": {
"flake-utils": "flake-utils_2",
"nixpkgs": "nixpkgs",
"pypi-deps-db": "pypi-deps-db"
},
"locked": {
"lastModified": 1629464241,
"narHash": "sha256-DLAVO2fyj5VxDf/7FoBsXZTQcz1/deJ9EFRqO9BD0tI=",
"owner": "DavHau",
"repo": "mach-nix",
"rev": "d223656fc0eff33f4da77d69db19752edc9a5ba5",
"type": "github"
},
"original": {
"owner": "DavHau",
"repo": "mach-nix",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1622797669,
"narHash": "sha256-xIyWeoYExzF0KNaKcqfxEX58fN4JTIQxTJWbsAujllc=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "1ca6b0a0cc38dbba0441202535c92841dd39d1ae",
"type": "github"
},
"original": {
"id": "nixpkgs",
"ref": "nixos-unstable",
"type": "indirect"
}
},
"nixpkgs_2": {
"locked": {
"lastModified": 1631135948,
"narHash": "sha256-Awt0CTDsECS4Z1Iqn4bkH9CAfPcECOniOXazomMGUnA=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "95bfcf1e2475b780dd7dbba503fc06ac8e1faa79",
"type": "github"
},
"original": {
"owner": "NixOS",
"repo": "nixpkgs",
"type": "github"
}
},
"pypi-deps-db": {
"flake": false,
"locked": {
"lastModified": 1622970040,
"narHash": "sha256-u//RFnae/XMIhoy83G2uH2Qu/1LiUhVCdwwY1xj4Ufs=",
"owner": "DavHau",
"repo": "pypi-deps-db",
"rev": "be6591698c67a86a69c81fef72167e38d038a9fc",
"type": "github"
},
"original": {
"owner": "DavHau",
"repo": "pypi-deps-db",
"type": "github"
}
},
"root": {
"inputs": {
"flake-compat": "flake-compat",
"flake-utils": "flake-utils",
"mach-nix-src": "mach-nix-src",
"nixpkgs": "nixpkgs_2"
}
}
},
"root": "root",
"version": 7
}

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flake.nix Normal file
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{
description = "SearXNG";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs";
mach-nix-src.url = "github:DavHau/mach-nix";
flake-utils.url = "github:numtide/flake-utils";
};
inputs.flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
};
outputs = { self, nixpkgs, flake-utils, mach-nix-src, ... }:
let
# TODO : for some reason `nix flake show` results in error:
# ```error: a 'aarch64-darwin' with features {} is required to build '/nix/store/s79ixgs3xy250x1b9vyy90g7dzd6bsh4-conda-channels.json.drv',
# but I am a 'x86_64-linux' with features {benchmark, big-parallel, kvm, nixos-test}```
# Some internal part of mach-nix attempts to build derivation into target system and cross-build fails
supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
#
# Helper function to generate an attrset '{ x86_64-linux = f "x86_64-linux"; ... }'.
forAllSystems = f:
nixpkgs.lib.genAttrs supportedSystems (system: f system);
python = "python38";
pypiDataRev = "18250538b9eeb9484c4e3bdf135bc1f3a2ccd949";
pypiDataSha256 = "01hdjy5rpcjm92fyp8n6lci773rgbsa81h2n08r49zjhk9michrb";
requirements = builtins.readFile ./requirements.txt;
nixpkgsFor = forAllSystems (
system:
import nixpkgs {
inherit system;
overlays = [ self.overlay ];
}
);
in
{
overlay = final: prev:
let
mach-nix = import mach-nix-src {
pkgs = prev;
inherit python pypiDataRev pypiDataSha256;
};
in
{
searxng = (
mach-nix.buildPythonPackage {
inherit requirements;
pname = "SearXNG";
version = "1.0";
src = ./.;
}
);
dev-python =
mach-nix.mkPython {
inherit python;
requirements = requirements;
};
};
packages = forAllSystems (
system:
{
inherit (nixpkgsFor.${system}) searxng;
}
);
# The default package for 'nix build'. This makes sense if the
# flake provides only one package or there is a clear "main"
# package.
# Returns Searx with plugin enabled
defaultPackage = forAllSystems (system: self.packages.${system}.searxng);
# To use as `nix develop`
# will provide shell with
# - make utility for `make run` and `make test`
# - python with dependencies, to run searx built with nix
# - env var pointing to default repository searx config
devShell = forAllSystems (
system: nixpkgsFor.${system}.mkShell
rec {
buildInputs = with nixpkgsFor.${system}; [
dev-python
gnumake
];
settingsFile = builtins.readFile ./searx/settings.yml;
SEARX_SETTINGS_PATH = "${settingsFile}";
}
);
nixosModules.searxng = { pkgs, ... }:
{
nixpkgs.overlays = [ self.overlay ];
};
};
}

9
shell.nix Normal file
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(import (
let
lock = builtins.fromJSON (builtins.readFile ./flake.lock);
in fetchTarball {
url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
sha256 = lock.nodes.flake-compat.locked.narHash; }
) {
src = ./.;
}).shellNix