forked from Deuxfleurs/nixcfg
greatly simplify ipv4 and ipv6 configuration
This commit is contained in:
parent
a0db30ca26
commit
e2aea648cf
12 changed files with 76 additions and 79 deletions
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@ -9,3 +9,4 @@ piranha.polyno.me,2a01:cb05:8984:3c00:223:24ff:feb0:ea82 ssh-ed25519 AAAAC3NzaC1
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2a01:e0a:5e4:1d0:223:24ff:feaf:fdec ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAsZas74RT6lCZwuUOPR23nPdbSdpWORyAmRgjoiMVHK
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df-pw5.machine.deuxfleurs.fr ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIK/dJIxioCkfeehxeGiZR7qquYGoqEH/YrRJ/ukEcaLH
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10.14.3.1 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJnpO6zpLWsyyugOoOj+2bUow9TUrcWgURFGGaoyu+co
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192.168.1.22 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMf/ioVSSb19Slu+HZLgKt4f1/XsL+K9uMxazSWb/+nQ
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@ -8,6 +8,12 @@
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./remote-unlock.nix
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];
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deuxfleurs.remoteUnlock = {
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networkInterface = "eno1";
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staticIP = "192.168.1.22/24";
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defaultGateway = "192.168.1.1";
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};
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# Use the systemd-boot EFI boot loader.
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boot.loader.systemd-boot.enable = true;
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boot.loader.timeout = 20;
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@ -15,8 +21,6 @@
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networking.hostName = "carcajou";
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deuxfleurs.network_interface = "eno1";
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deuxfleurs.lan_ip = "192.168.1.22";
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deuxfleurs.ipv6 = "2001:910:1204:1::22";
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deuxfleurs.cluster_ip = "10.14.1.2";
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@ -10,8 +10,6 @@
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networking.hostName = "caribou";
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deuxfleurs.network_interface = "eno1";
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deuxfleurs.lan_ip = "192.168.1.23";
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deuxfleurs.ipv6 = "2001:910:1204:1::23";
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deuxfleurs.cluster_ip = "10.14.1.3";
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@ -11,10 +11,11 @@
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networking.hostName = "df-pw5";
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deuxfleurs.network_interface = "eno1";
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deuxfleurs.lan_ip = "192.168.5.130";
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deuxfleurs.staticIPv4.address = "192.168.5.130/24";
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deuxfleurs.ipv6 = "2a02:a03f:6510:5102:223:24ff:feb0:e8a7";
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deuxfleurs.cluster_ip = "10.14.4.1";
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deuxfleurs.is_raft_server = false;
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system.stateVersion = "22.11";
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}
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@ -10,8 +10,7 @@
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networking.hostName = "origan";
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deuxfleurs.network_interface = "eno1";
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deuxfleurs.lan_ip = "192.168.1.33";
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deuxfleurs.staticIPv4.address = "192.168.1.33/24";
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deuxfleurs.ipv6 = "2a01:e0a:5e4:1d0:223:24ff:feaf:fdec";
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deuxfleurs.cluster_ip = "10.14.2.33";
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@ -10,8 +10,7 @@
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networking.hostName = "piranha";
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deuxfleurs.network_interface = "eno1";
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deuxfleurs.lan_ip = "192.168.1.25";
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deuxfleurs.staticIPv4.address = "192.168.1.25/24";
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deuxfleurs.ipv6 = "2a01:cb05:8984:9900:223:24ff:feb0:ea82";
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deuxfleurs.cluster_ip = "10.14.3.1";
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@ -2,10 +2,7 @@
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{
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deuxfleurs.site_name = "bespin";
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deuxfleurs.lan_default_gateway = "192.168.5.254";
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deuxfleurs.ipv6_default_gateway = "2a02:a03f:6510:5102::1";
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deuxfleurs.lan_ip_prefix_length = 24;
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deuxfleurs.ipv6_prefix_length = 64;
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deuxfleurs.staticIPv4.defaultGateway = "192.168.5.254";
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deuxfleurs.cname_target = "bespin.site.staging.deuxfleurs.org.";
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networking.firewall.allowedTCPPorts = [ 80 443 ];
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@ -2,10 +2,7 @@
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{
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deuxfleurs.site_name = "corrin";
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deuxfleurs.lan_default_gateway = "192.168.1.1";
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deuxfleurs.ipv6_default_gateway = "fe80::7ec1:77ff:fe3e:bb90";
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deuxfleurs.lan_ip_prefix_length = 24;
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deuxfleurs.ipv6_prefix_length = 64;
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deuxfleurs.staticIPv4.defaultGateway = "192.168.1.1";
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deuxfleurs.cname_target = "corrin.site.staging.deuxfleurs.org.";
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deuxfleurs.public_ipv4 = "82.120.233.78";
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@ -2,10 +2,7 @@
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{
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deuxfleurs.site_name = "jupiter";
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deuxfleurs.lan_default_gateway = "192.168.1.1";
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deuxfleurs.ipv6_default_gateway = "fe80::9038:202a:73a0:e73b";
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deuxfleurs.lan_ip_prefix_length = 24;
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deuxfleurs.ipv6_prefix_length = 64;
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deuxfleurs.staticIPv4.defaultGateway = "192.168.1.1";
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deuxfleurs.cname_target = "jupiter.site.staging.deuxfleurs.org.";
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# no public ipv4 is used for the staging cluster on Jupiter
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@ -2,10 +2,6 @@
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{
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deuxfleurs.site_name = "neptune";
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deuxfleurs.lan_default_gateway = "192.168.1.1";
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deuxfleurs.ipv6_default_gateway = "2001:910:1204:1::1";
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deuxfleurs.lan_ip_prefix_length = 24;
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deuxfleurs.ipv6_prefix_length = 64;
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deuxfleurs.cname_target = "neptune.site.staging.deuxfleurs.org.";
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# no public ipv4 is used for the staging cluster on Neptune,
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@ -36,36 +36,20 @@ in
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in
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{
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# Parameters for individual nodes
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network_interface = mkOption {
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description = "Network interface name to configure";
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type = types.str;
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};
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lan_ip = mkOption {
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description = "IP address of this node on the local network interface";
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type = types.str;
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};
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lan_ip_prefix_length = mkOption {
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description = "Prefix length associated with lan_ip";
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type = types.int;
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};
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ipv6 = mkOption {
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description = "Public IPv6 address of this node";
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description = "Static public IPv6 address of this node";
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type = types.str;
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};
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ipv6_prefix_length = mkOption {
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description = "Prefix length associated with ipv6 ip";
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type = types.int;
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staticIPv4.address = mkOption {
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description = "IP address (with prefix length) of this node on the local network interface";
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type = types.nullOr types.str;
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default = null;
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};
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cluster_ip = mkOption {
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description = "IP address of this node on the Wesher mesh network";
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type = types.str;
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};
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wireguard_port = mkOption {
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description = "Port for incoming Wireguard VPN connections";
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type = types.port;
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default = 33799;
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};
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is_raft_server = mkOption {
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description = "Make this node a RAFT server for the Nomad and Consul deployments";
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@ -74,18 +58,15 @@ in
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};
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# Parameters that generally vary between sites
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lan_default_gateway = mkOption {
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description = "IPv4 address of the default route on the local network interface";
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type = types.str;
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};
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ipv6_default_gateway = mkOption {
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description = "IPv6 address of the default IPv6 gateway for the targeted net interface";
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type = types.str;
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};
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site_name = mkOption {
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description = "Site (availability zone) on which this node is deployed";
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type = types.str;
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};
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staticIPv4.defaultGateway = mkOption {
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description = "IPv4 address of the default route on the local network interface";
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type = types.nullOr types.str;
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default = null;
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};
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public_ipv4 = mkOption {
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description = "Public IPv4 through which this node is accessible (possibly after port opening using DiploNAT), for domain names that are updated by D53";
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type = types.nullOr types.str;
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@ -124,6 +105,13 @@ in
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type = types.bool;
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default = false;
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};
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# Options that generally stay to their default value
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wireguardPort = mkOption {
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description = "Port for incoming Wireguard VPN connections";
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type = types.port;
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default = 33799;
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};
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};
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imports = [
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@ -157,33 +145,33 @@ in
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systemd.network.networks = {
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"10-uplink" = {
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matchConfig = {
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# We could preprend "en* eth*" to match all ethernet interfaces
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Name = "${cfg.network_interface}";
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Name = "en* eth*";
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};
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ipv6AcceptRAConfig = {
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Token = "static:${cfg.ipv6}";
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UseDNS = false;
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};
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} // (if cfg.staticIPv4.address == null || cfg.staticIPv4.defaultGateway == null then {
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networkConfig = {
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IPv6AcceptRA = false;
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LinkLocalAddressing = "no";
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DHCP = "ipv4";
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};
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dhcpV4Config = {
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UseDNS = false;
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};
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} else {
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address = [
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"${cfg.lan_ip}/${toString cfg.lan_ip_prefix_length}"
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"${cfg.ipv6}/${toString cfg.ipv6_prefix_length}"
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"${cfg.staticIPv4.address}"
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];
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routes = [
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{
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routeConfig = {
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Gateway = cfg.lan_default_gateway;
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Gateway = cfg.staticIPv4.defaultGateway;
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# GatewayOnLink - Takes a boolean. If set to true, the kernel does not have to check if the gateway is reachable directly by the current machine (i.e., attached to the local network), so that we can insert the route in the kernel table without it being complained about. Defaults to "no".
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GatewayOnLink = true;
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};
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}
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{
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routeConfig = {
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Gateway = cfg.ipv6_default_gateway;
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GatewayOnLink = true;
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};
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}
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];
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};
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});
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};
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# Configure Unbound as a central DNS server for everything
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@ -221,7 +209,7 @@ in
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# Configure Wireguard VPN between all nodes
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networking.wireguard.interfaces.wg0 = {
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ips = [ "${cfg.cluster_ip}/16" ];
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listenPort = cfg.wireguard_port;
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listenPort = cfg.wireguardPort;
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privateKeyFile = "/var/lib/deuxfleurs/wireguard-keys/private";
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mtu = 1420;
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};
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@ -248,7 +236,7 @@ in
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# systemd.services."wg-quick-wg0".after = [ "unbound.service" ];
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# networking.wg-quick.interfaces.wg0 = {
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# address = [ "${cfg.cluster_ip}/16" ];
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# listenPort = cfg.wireguard_port;
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# listenPort = cfg.wireguardPort;
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# privateKeyFile = "/var/lib/deuxfleurs/wireguard-keys/private";
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# mtu = 1420;
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# peers = map ({ publicKey, endpoint, IP, ... }: {
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@ -384,13 +372,14 @@ in
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allowedUDPPorts = [
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# Allow peers to connect to Wireguard
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cfg.wireguard_port
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cfg.wireguardPort
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];
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# Allow specific hosts access to specific things in the cluster
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extraCommands = ''
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# Allow everything from router (usefull for UPnP/IGD)
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iptables -A INPUT -s ${cfg.lan_default_gateway} -j ACCEPT
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# Allow UDP packets comming from port 1900 from a local address,
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# these are necessary for UPnP/IGD
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iptables -A INPUT -s 192.168.0.0/16 -p udp --sport 1900 -j ACCEPT
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# Allow docker containers to access all ports
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iptables -A INPUT -s 172.17.0.0/16 -j ACCEPT
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@ -401,7 +390,7 @@ in
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# When stopping firewall, delete all rules that were configured manually above
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extraStopCommands = ''
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iptables -D INPUT -s ${cfg.lan_default_gateway} -j ACCEPT
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iptables -D INPUT -s 192.168.0.0/16 -p udp --sport 1900 -j ACCEPT
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iptables -D INPUT -s 172.17.0.0/16 -j ACCEPT
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iptables -D INPUT -s ${cfg.cluster_prefix}/${toString cfg.cluster_prefix_length} -j ACCEPT
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'';
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@ -1,8 +1,27 @@
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{ config, pkgs, ... }:
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let
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cfg = config.deuxfleurs.remoteUnlock;
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in
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with builtins;
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with pkgs.lib;
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{
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options.deuxfleurs.remoteUnlock = {
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networkInterface = mkOption {
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description = "Network interface to configure with static IP";
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type = types.str;
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};
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staticIP = mkOption {
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description = "IP address (with prefix length) of this node on the local network interface";
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type = types.str;
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};
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defaultGateway = mkOption {
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description = "IP address of default gateway";
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type = types.str;
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};
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};
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config = {
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boot.initrd.availableKernelModules = [ "pps_core" "ptp" "e1000e" ];
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boot.initrd.network.enable = true;
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@ -13,12 +32,12 @@
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hostKeys = [ "/var/lib/deuxfleurs/remote-unlock/ssh_host_ed25519_key" ];
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};
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boot.initrd.network.postCommands = ''
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ip addr add ${config.deuxfleurs.lan_ip}/${toString config.deuxfleurs.lan_ip_prefix_length} dev ${config.deuxfleurs.network_interface}
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ip link set dev ${config.deuxfleurs.network_interface} up
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ip route add default via ${config.deuxfleurs.lan_default_gateway} dev ${config.deuxfleurs.network_interface}
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ip addr add ${cfg.staticIP} dev ${cfg.networkInterface}
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ip link set dev ${cfg.networkInterface} up
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ip route add default via ${cfg.defaultGateway} dev ${cfg.networkInterface}
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ip a
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ip route
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ping -c 4 ${config.deuxfleurs.lan_default_gateway}
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ping -c 4 ${cfg.defaultGateway}
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echo 'echo run cryptsetup-askpass to unlock drives' >> /root/.profile
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'';
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};
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