diff options
Diffstat (limited to 'nixpkgs/pkgs/applications/networking/cluster/nixops/default.nix')
| -rw-r--r-- | nixpkgs/pkgs/applications/networking/cluster/nixops/default.nix | 167 |
1 files changed, 116 insertions, 51 deletions
diff --git a/nixpkgs/pkgs/applications/networking/cluster/nixops/default.nix b/nixpkgs/pkgs/applications/networking/cluster/nixops/default.nix index 3fef75313b00..75902de1b9f6 100644 --- a/nixpkgs/pkgs/applications/networking/cluster/nixops/default.nix +++ b/nixpkgs/pkgs/applications/networking/cluster/nixops/default.nix @@ -1,56 +1,121 @@ -{ python3 }: +{ lib, python3, emptyFile }: let - python = python3.override { - packageOverrides = self: super: { - nixops = self.callPackage ./unwrapped.nix { }; - } // (plugins self); - }; + inherit (lib) extends; - plugins = ps: with ps; rec { - nixops-aws = callPackage ./plugins/nixops-aws.nix { }; - nixops-digitalocean = callPackage ./plugins/nixops-digitalocean.nix { }; - nixops-encrypted-links = callPackage ./plugins/nixops-encrypted-links.nix { }; - nixops-gce = callPackage ./plugins/nixops-gce.nix { }; - nixops-hercules-ci = callPackage ./plugins/nixops-hercules-ci.nix { }; - nixops-hetzner = callPackage ./plugins/nixops-hetzner.nix { }; - nixops-hetznercloud = callPackage ./plugins/nixops-hetznercloud.nix { }; - nixops-libvirtd = callPackage ./plugins/nixops-libvirtd.nix { }; - nixops-vbox = callPackage ./plugins/nixops-vbox.nix { }; - nixos-modules-contrib = callPackage ./plugins/nixos-modules-contrib.nix { }; - - # aliases for backwards compatibility - nixops-gcp = nixops-gce; - nixops-virtd = nixops-libvirtd; - nixopsvbox = nixops-vbox; - }; + # doc: https://github.com/NixOS/nixpkgs/pull/158781/files#diff-854251fa1fe071654921224671c8ba63c95feb2f96b2b3a9969c81676780053a + encapsulate = layerZero: + let + fixed = layerZero ({ extend = f: encapsulate (extends f layerZero); } // fixed); + in fixed.public; + + nixopsContextBase = this: { + + python = python3.override { + packageOverrides = self: super: { + nixops = self.callPackage ./unwrapped.nix { }; + } // (this.plugins self super); + }; + + plugins = ps: _super: with ps; rec { + nixops-aws = callPackage ./plugins/nixops-aws.nix { }; + nixops-digitalocean = callPackage ./plugins/nixops-digitalocean.nix { }; + nixops-encrypted-links = callPackage ./plugins/nixops-encrypted-links.nix { }; + nixops-gce = callPackage ./plugins/nixops-gce.nix { }; + nixops-hercules-ci = callPackage ./plugins/nixops-hercules-ci.nix { }; + nixops-hetzner = callPackage ./plugins/nixops-hetzner.nix { }; + nixops-hetznercloud = callPackage ./plugins/nixops-hetznercloud.nix { }; + nixops-libvirtd = callPackage ./plugins/nixops-libvirtd.nix { }; + nixops-vbox = callPackage ./plugins/nixops-vbox.nix { }; + nixos-modules-contrib = callPackage ./plugins/nixos-modules-contrib.nix { }; + + # aliases for backwards compatibility + nixops-gcp = nixops-gce; + nixops-virtd = nixops-libvirtd; + nixopsvbox = nixops-vbox; + }; + + # We should not reapply the overlay, but it tends to work out. (It's been this way since poetry2nix was dropped.) + availablePlugins = this.plugins this.python.pkgs this.python.pkgs; + + selectedPlugins = []; - # selector is a function mapping pythonPackages to a list of plugins - # e.g. nixops_unstable.withPlugins (ps: with ps; [ nixops-aws ]) - withPlugins = selector: let - selected = selector (plugins python.pkgs); - in python.pkgs.toPythonApplication (python.pkgs.nixops.overridePythonAttrs (old: { - propagatedBuildInputs = old.propagatedBuildInputs ++ selected; - - # Propagating dependencies leaks them through $PYTHONPATH which causes issues - # when used in nix-shell. - postFixup = '' - rm $out/nix-support/propagated-build-inputs - ''; - - passthru = old.passthru // { - plugins = plugins python.pkgs; - inherit withPlugins python; + # selector is a function mapping pythonPackages to a list of plugins + # e.g. nixops_unstable.withPlugins (ps: with ps; [ nixops-aws ]) + withPlugins = selector: + this.extend (this: _old: { + selectedPlugins = selector this.availablePlugins; + }); + + rawPackage = this.python.pkgs.toPythonApplication (this.python.pkgs.nixops.overridePythonAttrs (old: { + propagatedBuildInputs = old.propagatedBuildInputs ++ this.selectedPlugins; + + # Propagating dependencies leaks them through $PYTHONPATH which causes issues + # when used in nix-shell. + postFixup = '' + rm $out/nix-support/propagated-build-inputs + ''; + })); + + # Extra package attributes that aren't derivation attributes, just like `mkDerivation`'s `passthru`. + extraPackageAttrs = { + inherit (this) selectedPlugins availablePlugins withPlugins python; + tests = this.rawPackage.tests // { + nixos = this.rawPackage.tests.nixos.passthru.override { + nixopsPkg = this.rawPackage; + }; + commutative_addAvailablePlugins_withPlugins = + assert + (this.public.addAvailablePlugins (self: super: { inherit emptyFile; })).withPlugins (ps: [ emptyFile ]) + == + # Note that this value proves that the package is not instantiated until the end, where it's valid again. + (this.public.withPlugins (ps: [ emptyFile ])).addAvailablePlugins (self: super: { inherit emptyFile; }); + emptyFile; + } + # Make sure we also test with a configuration that's been extended with a plugin. + // lib.optionalAttrs (this.selectedPlugins == [ ]) { + withAPlugin = + lib.recurseIntoAttrs + (this.withPlugins (ps: with ps; [ nixops-encrypted-links ])).tests; + }; + overrideAttrs = f: this.extend (this: oldThis: { + rawPackage = oldThis.rawPackage.overrideAttrs f; + }); + /** + * nixops.addAvailablePlugins: Overlay -> Package + * + * Add available plugins to the package. You probably also want to enable + * them with the `withPlugins` method. + */ + addAvailablePlugins = newPlugins: this.extend (finalThis: oldThis: { + plugins = lib.composeExtensions oldThis.plugins newPlugins; + }); + + # For those who need or dare. + internals = this; }; - })); -in withPlugins (ps: [ - ps.nixops-aws - ps.nixops-digitalocean - ps.nixops-encrypted-links - ps.nixops-gce - ps.nixops-hercules-ci - ps.nixops-hetzner - ps.nixops-hetznercloud - ps.nixops-libvirtd - ps.nixops-vbox -]) + + package = lib.lazyDerivation { outputs = [ "out" "dist" ]; derivation = this.rawPackage; } // this.extraPackageAttrs; + + public = this.package; + }; + + minimal = encapsulate nixopsContextBase; + +in +{ + nixops_unstable_minimal = minimal; + + # Not recommended; too fragile. + nixops_unstable_full = minimal.withPlugins (ps: [ + ps.nixops-aws + ps.nixops-digitalocean + ps.nixops-encrypted-links + ps.nixops-gce + ps.nixops-hercules-ci + ps.nixops-hetzner + ps.nixops-hetznercloud + ps.nixops-libvirtd + ps.nixops-vbox + ]); +} |