140 lines
4.5 KiB
Nix
140 lines
4.5 KiB
Nix
{ nixpkgs, system, overlay }:
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with import (nixpkgs + "/nixos/lib/testing.nix") {
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inherit system;
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extraConfigurations = [ { nixpkgs.overlays = [ overlay ]; } ];
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};
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let
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# Generate a fake root CA and a fake github.com certificate.
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cert = pkgs.runCommand "cert" { buildInputs = [ pkgs.openssl ]; }
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''
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mkdir -p $out
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openssl genrsa -out ca.key 2048
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openssl req -new -x509 -days 36500 -key ca.key \
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-subj "/C=NL/ST=Denial/L=Springfield/O=Dis/CN=Root CA" -out $out/ca.crt
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openssl req -newkey rsa:2048 -nodes -keyout $out/server.key \
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-subj "/C=CN/ST=Denial/L=Springfield/O=Dis/CN=github.com" -out server.csr
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openssl x509 -req -extfile <(printf "subjectAltName=DNS:api.github.com,DNS:github.com,DNS:raw.githubusercontent.com") \
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-days 36500 -in server.csr -CA $out/ca.crt -CAkey ca.key -CAcreateserial -out $out/server.crt
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'';
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registry = pkgs.writeTextFile {
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name = "registry";
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text = ''
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{
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"flakes": {
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"flake:nixpkgs": {
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"uri": "github:NixOS/nixpkgs"
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}
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},
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"version": 1
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}
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'';
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destination = "/flake-registry.json";
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};
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api = pkgs.runCommand "nixpkgs-flake" {}
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''
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mkdir -p $out/tarball
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dir=NixOS-nixpkgs-${nixpkgs.shortRev}
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cp -prd ${nixpkgs} $dir
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# Set the correct timestamp in the tarball.
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find $dir -print0 | xargs -0 touch -t ${builtins.substring 0 12 nixpkgs.lastModifiedDate}.${builtins.substring 12 2 nixpkgs.lastModifiedDate} --
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tar cfz $out/tarball/${nixpkgs.rev} $dir --hard-dereference
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mkdir -p $out/commits
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echo '{"sha": "${nixpkgs.rev}"}' > $out/commits/master
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'';
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in
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makeTest (
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{
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nodes =
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{ # Impersonate github.com and api.github.com.
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github =
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{ config, pkgs, ... }:
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{ networking.firewall.allowedTCPPorts = [ 80 443 ];
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services.httpd.enable = true;
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services.httpd.adminAddr = "foo@example.org";
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services.httpd.extraConfig = ''
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ErrorLog syslog:local6
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'';
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services.httpd.virtualHosts."github.com" =
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{ forceSSL = true;
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sslServerKey = "${cert}/server.key";
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sslServerCert = "${cert}/server.crt";
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servedDirs =
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[ { urlPath = "/NixOS/flake-registry/raw/master";
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dir = registry;
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}
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];
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};
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services.httpd.virtualHosts."api.github.com" =
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{ forceSSL = true;
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sslServerKey = "${cert}/server.key";
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sslServerCert = "${cert}/server.crt";
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servedDirs =
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[ { urlPath = "/repos/NixOS/nixpkgs";
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dir = api;
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}
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];
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};
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};
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client =
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{ config, lib, pkgs, nodes, ... }:
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{ virtualisation.writableStore = true;
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virtualisation.diskSize = 2048;
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virtualisation.pathsInNixDB = [ pkgs.hello pkgs.fuse ];
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virtualisation.memorySize = 4096;
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nix.binaryCaches = lib.mkForce [ ];
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nix.extraOptions = "experimental-features = nix-command flakes";
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environment.systemPackages = [ pkgs.jq ];
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networking.hosts.${(builtins.head nodes.github.config.networking.interfaces.eth1.ipv4.addresses).address} =
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[ "github.com" "api.github.com" "raw.githubusercontent.com" ];
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security.pki.certificateFiles = [ "${cert}/ca.crt" ];
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};
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};
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testScript = { nodes }:
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''
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use POSIX qw(strftime);
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startAll;
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$github->waitForUnit("httpd.service");
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$client->succeed("curl -v https://github.com/ >&2");
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$client->succeed("nix registry list | grep nixpkgs");
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$client->succeed("nix flake info nixpkgs --json | jq -r .revision") eq "${nixpkgs.rev}\n"
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or die "revision mismatch";
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$client->succeed("nix registry pin nixpkgs");
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$client->succeed("nix flake info nixpkgs --tarball-ttl 0 >&2");
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# Shut down the web server. The flake should be cached on the client.
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$github->succeed("systemctl stop httpd.service");
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my $date = $client->succeed("nix flake info nixpkgs --json | jq -M .lastModified");
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strftime("%Y%m%d%H%M%S", gmtime($date)) eq "${nixpkgs.lastModifiedDate}" or die "time mismatch";
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$client->succeed("nix build nixpkgs#hello");
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# The build shouldn't fail even with --tarball-ttl 0 (the server
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# being down should not be a fatal error).
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$client->succeed("nix build nixpkgs#fuse --tarball-ttl 0");
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'';
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})
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