Add a NixOS container to demo Hydra

It contains Hydra, PostgreSQL and an frontend proxy. So you can get a
running Hydra instance by doing

  $ nixos-container create hydra --flake hydra
  $ nixos-container start hydra

The web interface is available on port 80.
This commit is contained in:
Eelco Dolstra 2019-09-24 19:58:10 +02:00
parent 0ccf36ca3b
commit 40e7b6e884
No known key found for this signature in database
GPG key ID: 8170B4726D7198DE
2 changed files with 62 additions and 21 deletions

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@ -15,9 +15,9 @@
},
"nixpkgs": {
"inputs": {},
"narHash": "sha256-HGlE2VNbdEjCP76hWAS72kHBlMWhpvqWo58Obg1Vy6s=",
"originalUri": "nixpkgs",
"uri": "github:edolstra/nixpkgs/13e1bce51f4aebdf3db58ce8c4a93e904a272bff"
"narHash": "sha256-qWEM8iYRYUdaVCHwTq13w69/11hAFWZplp5mqeU2qBM=",
"originalUri": "nixpkgs/release-19.09",
"uri": "github:edolstra/nixpkgs/7d9219a0adea88942b8d609f89cf4a1f86df1a9c"
}
},
"version": 3

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@ -3,6 +3,8 @@
epoch = 201909;
inputs.nixpkgs.uri = "nixpkgs/release-19.09";
outputs = { self, nixpkgs, nix }:
let
@ -21,31 +23,14 @@
# NixOS configuration used for VM tests.
hydraServer =
{ config, pkgs, ... }:
{ imports = [ self.nixosModules.hydra ];
{ imports = [ self.nixosModules.hydraTest ];
virtualisation.memorySize = 1024;
virtualisation.writableStore = true;
services.hydra-dev.enable = true;
services.hydra-dev.hydraURL = "http://hydra.example.org";
services.hydra-dev.notificationSender = "admin@hydra.example.org";
services.postgresql.enable = true;
services.postgresql.package = pkgs.postgresql95;
environment.systemPackages = [ pkgs.perlPackages.LWP pkgs.perlPackages.JSON ];
# The following is to work around the following error from hydra-server:
# [error] Caught exception in engine "Cannot determine local time zone"
time.timeZone = "UTC";
nix = {
# The following is to work around: https://github.com/NixOS/hydra/pull/432
buildMachines = [
{ hostName = "localhost";
system = "x86_64-linux";
}
];
# Without this nix tries to fetch packages from the default
# cache.nixos.org which is not reachable from this sandboxed NixOS test.
binaryCaches = [];
@ -297,6 +282,62 @@
nixosModules.hydra = {
imports = [ ./hydra-module.nix ];
nixpkgs.overlays = [ self.overlay ];
nix.package = nix';
};
nixosModules.hydraTest = {
imports = [ self.nixosModules.hydra ];
services.hydra-dev.enable = true;
services.hydra-dev.hydraURL = "http://hydra.example.org";
services.hydra-dev.notificationSender = "admin@hydra.example.org";
systemd.services.hydra-send-stats.enable = false;
services.postgresql.enable = true;
services.postgresql.package = pkgs.postgresql95;
# The following is to work around the following error from hydra-server:
# [error] Caught exception in engine "Cannot determine local time zone"
time.timeZone = "UTC";
};
nixosConfigurations.container = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules =
[ { imports = [ self.nixosModules.hydraTest ];
system.configurationRevision = self.rev;
boot.isContainer = true;
networking.useDHCP = false;
networking.firewall.allowedTCPPorts = [ 80 ];
networking.hostName = "hydra";
nix.extraOptions = ''
allowed-uris = https://github.com/
'';
services.hydra-dev.useSubstitutes = true;
services.httpd = {
enable = true;
adminAddr = "hydra-admin@example.org";
extraConfig = ''
<Proxy *>
Order deny,allow
Allow from all
</Proxy>
ProxyRequests Off
ProxyPreserveHost On
ProxyPass /apache-errors !
ErrorDocument 503 /apache-errors/503.html
ProxyPass / http://127.0.0.1:3000/ retry=5 disablereuse=on
ProxyPassReverse / http://127.0.0.1:3000/
'';
};
}
];
};
};