blob: 7657c4a8e066903b5fc85ddd5f73cbe9d9275865 (
plain)
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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
{ hostName, flake, config, pkgs, lib, ... }:
{
imports = with flake.nixosModules.systemProfiles; [
./zfs.nix ./dsl.nix
initrd-all-crypto-modules default-locale openssh rebuild-machines
build-server
initrd-ssh
];
config = {
nixpkgs = {
system = "x86_64-linux";
};
networking.hostId = "1e7ddd78";
environment.etc."machine-id".text = "1e7ddd784c525bba2a03d7c160c5da4e";
boot = {
loader.grub = {
enable = true;
version = 2;
device = "/dev/disk/by-id/ata-SuperMicro_SSD_SMC0515D95019BDF4083";
};
kernelPackages = pkgs.linuxPackages_latest;
kernelModules = [ "kvm-intel" ];
kernelParams = [
"ip=10.141.0.1:::255.255.255.0::eno1:static"
];
tmpOnTmpfs = true;
initrd = {
supportedFilesystems = [ "zfs" ];
availableKernelModules = [ "ehci_pci" "ahci" "nvme" "isci" "xhci_pci" "usb_storage" "usbhid" "sd_mod" "sr_mod" "drbg" "rtsx_pci_sdmmc" "libsas" "scsi_transport_sas" "e1000e" ];
kernelModules = [ "dm-raid" "dm-integrity" "dm-snapshot" "dm-thin-pool" ];
luks.devices = {
nvm0.device = "/dev/disk/by-label/${hostName}-nvm0";
nvm1.device = "/dev/disk/by-label/${hostName}-nvm1";
hdd0.device = "/dev/disk/by-label/${hostName}-hdd0";
hdd1.device = "/dev/disk/by-label/${hostName}-hdd1";
hdd2.device = "/dev/disk/by-label/${hostName}-hdd2";
hdd3.device = "/dev/disk/by-label/${hostName}-hdd3";
hdd4.device = "/dev/disk/by-label/${hostName}-hdd4";
hdd5.device = "/dev/disk/by-label/${hostName}-hdd5";
};
network.flushBeforeStage2 = false;
};
supportedFilesystems = [ "zfs" ];
zfs = {
enableUnstable = true;
};
};
fileSystems = {
"/" = {
fsType = "tmpfs";
options = [ "mode=0755" ];
};
};
networking = {
hostName = "vidhar";
domain = "yggdrasil";
search = [ "yggdrasil" ];
useDHCP = false;
useNetworkd = true;
interfaces."eno1" = {
ipv4.addresses = [
{ address = "10.141.0.1"; prefixLength = 24; }
];
};
firewall = {
enable = true;
allowPing = true;
allowedTCPPorts = [
22 # ssh
];
allowedUDPPorts = [
51820 # wireguard
];
allowedUDPPortRanges = [
{ from = 60000; to = 61000; } # mosh
];
extraCommands = ''
ip46tables -D FORWARD -j nixos-fw-forward 2>/dev/null || true
ip46tables -F nixos-fw-forward 2> /dev/null || true
ip46tables -X nixos-fw-forward 2> /dev/null || true
ip46tables -N nixos-fw-forward
ip46tables -A nixos-fw-forward -i eno1 -j ACCEPT
ip46tables -A nixos-fw-forward -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
ip6tables -A nixos-fw-forward -p icmpv6 --icmpv6-type redirect -j nixos-fw-log-refuse
ip6tables -A nixos-fw-forward -p icmpv6 --icmpv6-type 139 -j nixos-fw-log-refuse
ip6tables -A nixos-fw-forward -p icmpv6 -j ACCEPT
ip46tables -A nixos-fw-forward -j nixos-fw-log-refuse
ip46tables -A FORWARD -j nixos-fw-forward
ip46tables -t nat -D POSTROUTING -j nixos-fw-postrouting 2>/dev/null || true
ip46tables -t nat -F nixos-fw-postrouting 2>/dev/null || true
ip46tables -t nat -X nixos-fw-postrouting 2>/dev/null || true
ip46tables -t nat -N nixos-fw-postrouting
iptables -t nat -A nixos-fw-postrouting -o dsl -j MASQUERADE
ip46tables -t nat -A POSTROUTING -j nixos-fw-postrouting
'';
};
};
services.dhcpd4 = {
enable = true;
interfaces = [ "eno1" ];
extraConfig = ''
subnet 10.141.0.0 netmask 255.255.255.0 {
range 10.141.0.128 10.141.0.254;
option domain-name-servers 1.1.1.1, 1.0.0.1;
option broadcast-address 10.141.0.255;
option routers 10.141.0.1;
option domain-name "asgard.yggdrasil";
}
'';
};
services.corerad = {
enable = true;
settings = {
interfaces = [
{ name = config.networking.pppInterface;
monitor = true;
verbose = true;
}
{ name = "eno1";
advertise = true;
verbose = true;
prefix = [{ prefix = "::/64"; }];
route = [{ prefix = "::/0"; }];
}
];
};
};
boot.kernel.sysctl = {
"net.ipv6.conf.all.forwarding" = true;
"net.ipv6.conf.default.forwarding" = true;
"net.ipv4.conf.all.forwarding" = true;
"net.ipv4.conf.default.forwarding" = true;
};
systemd.network.networks = {
"eno2".networkConfig.LinkLocalAddressing = "no";
"telekom".networkConfig.LinkLocalAddressing = "no";
};
services.dhcpd6 = {
enable = true;
configFile = pkgs.writeText "dhcpd6.conf" ''
interface dsl {
send ia-pd 0;
};
id-assoc pd 0 {
prefix-interface eno1 {
sla-id 0;
};
};
'';
};
services.timesyncd.enable = false;
services.chrony = {
enable = true;
servers = [];
extraConfig = ''
pool time.cloudflare.com iburst nts
pool nts.ntp.se iburst nts
server nts.sth1.ntp.se iburst nts
server nts.sth2.ntp.se iburst nts
server ptbtime1.ptb.de iburst nts
server ptbtime2.ptb.de iburst nts
server ptbtime3.ptb.de iburst nts
makestep 0.1 3
cmdport 0
'';
};
services.openssh = {
enable = true;
passwordAuthentication = false;
challengeResponseAuthentication = false;
extraConfig = ''
AllowGroups ssh
'';
};
users.groups."ssh" = {
members = ["root"];
};
security.sudo.extraConfig = ''
Defaults lecture = never
'';
nix.gc = {
automatic = true;
options = "--delete-older-than 30d";
};
powerManagement = {
enable = true;
cpuFreqGovernor = "schedutil";
};
};
}
|
