1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
{ nixpkgs, system, overlay }:
with import (nixpkgs + "/nixos/lib/testing-python.nix") {
inherit system;
extraConfigurations = [ { nixpkgs.overlays = [ overlay ]; } ];
};
let
# Generate a fake root CA and a fake api.github.com / channels.nixos.org certificate.
cert = pkgs.runCommand "cert" { buildInputs = [ pkgs.openssl ]; }
''
mkdir -p $out
openssl genrsa -out ca.key 2048
openssl req -new -x509 -days 36500 -key ca.key \
-subj "/C=NL/ST=Denial/L=Springfield/O=Dis/CN=Root CA" -out $out/ca.crt
openssl req -newkey rsa:2048 -nodes -keyout $out/server.key \
-subj "/C=CN/ST=Denial/L=Springfield/O=Dis/CN=github.com" -out server.csr
openssl x509 -req -extfile <(printf "subjectAltName=DNS:api.github.com,DNS:channels.nixos.org") \
-days 36500 -in server.csr -CA $out/ca.crt -CAkey ca.key -CAcreateserial -out $out/server.crt
'';
registry = pkgs.writeTextFile {
name = "registry";
text = ''
{
"flakes": [
{
"from": {
"type": "indirect",
"id": "nixpkgs"
},
"to": {
"type": "github",
"owner": "NixOS",
"repo": "nixpkgs"
}
}
],
"version": 2
}
'';
destination = "/flake-registry.json";
};
api = pkgs.runCommand "nixpkgs-flake" {}
''
mkdir -p $out/tarball
dir=NixOS-nixpkgs-${nixpkgs.shortRev}
cp -prd ${nixpkgs} $dir
# Set the correct timestamp in the tarball.
find $dir -print0 | xargs -0 touch -t ${builtins.substring 0 12 nixpkgs.lastModifiedDate}.${builtins.substring 12 2 nixpkgs.lastModifiedDate} --
tar cfz $out/tarball/${nixpkgs.rev} $dir --hard-dereference
mkdir -p $out/commits
echo '{"sha": "${nixpkgs.rev}"}' > $out/commits/HEAD
'';
in
makeTest (
{
name = "github-flakes";
nodes =
{
github =
{ config, pkgs, ... }:
{ networking.firewall.allowedTCPPorts = [ 80 443 ];
services.httpd.enable = true;
services.httpd.adminAddr = "foo@example.org";
services.httpd.extraConfig = ''
ErrorLog syslog:local6
'';
services.httpd.virtualHosts."channels.nixos.org" =
{ forceSSL = true;
sslServerKey = "${cert}/server.key";
sslServerCert = "${cert}/server.crt";
servedDirs =
[ { urlPath = "/";
dir = registry;
}
];
};
services.httpd.virtualHosts."api.github.com" =
{ forceSSL = true;
sslServerKey = "${cert}/server.key";
sslServerCert = "${cert}/server.crt";
servedDirs =
[ { urlPath = "/repos/NixOS/nixpkgs";
dir = api;
}
];
};
};
client =
{ config, lib, pkgs, nodes, ... }:
{ virtualisation.writableStore = true;
virtualisation.diskSize = 2048;
virtualisation.additionalPaths = [ pkgs.hello pkgs.fuse ];
virtualisation.memorySize = 4096;
nix.binaryCaches = lib.mkForce [ ];
nix.extraOptions = "experimental-features = nix-command flakes";
environment.systemPackages = [ pkgs.jq ];
networking.hosts.${(builtins.head nodes.github.config.networking.interfaces.eth1.ipv4.addresses).address} =
[ "channels.nixos.org" "api.github.com" ];
security.pki.certificateFiles = [ "${cert}/ca.crt" ];
};
};
testScript = { nodes }: ''
# fmt: off
import json
import time
start_all()
github.wait_for_unit("httpd.service")
client.succeed("curl -v https://api.github.com/ >&2")
client.succeed("nix registry list | grep nixpkgs")
rev = client.succeed("nix flake info nixpkgs --json | jq -r .revision")
assert rev.strip() == "${nixpkgs.rev}", "revision mismatch"
client.succeed("nix registry pin nixpkgs")
client.succeed("nix flake info nixpkgs --tarball-ttl 0 >&2")
# Shut down the web server. The flake should be cached on the client.
github.succeed("systemctl stop httpd.service")
info = json.loads(client.succeed("nix flake info nixpkgs --json"))
date = time.strftime("%Y%m%d%H%M%S", time.gmtime(info['lastModified']))
assert date == "${nixpkgs.lastModifiedDate}", "time mismatch"
client.succeed("nix build nixpkgs#hello")
# The build shouldn't fail even with --tarball-ttl 0 (the server
# being down should not be a fatal error).
client.succeed("nix build nixpkgs#fuse --tarball-ttl 0")
'';
})
|
