60 lines
1.8 KiB
Nix
60 lines
1.8 KiB
Nix
{ lib, config, ... }:
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let
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clanDir = config.clan.core.clanDir;
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machineDir = clanDir + "/machines/";
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cfg = config.clan.borgbackup-static;
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machine_name = config.clan.core.machineName;
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in
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{
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imports = [ ../borgbackup ];
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# Inventory / Interface.nix
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# options.clan.inventory.borgbackup-static.description.
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options.clan.borgbackup-static.roles = lib.mkOption {
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type = lib.types.attrsOf (lib.types.listOf lib.types.str);
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};
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config.services.borgbackup.repos =
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let
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filteredMachines = builtins.attrNames (lib.filterAttrs (_: v: builtins.elem "client" v) cfg.roles);
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borgbackupIpMachinePath = machines: machineDir + machines + "/facts/borgbackup.ssh.pub";
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machinesMaybeKey = builtins.map (
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machine:
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let
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fullPath = borgbackupIpMachinePath machine;
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in
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if builtins.pathExists fullPath then machine else null
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) filteredMachines;
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machinesWithKey = lib.filter (x: x != null) machinesMaybeKey;
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hosts = builtins.map (machine: {
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name = machine;
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value = {
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path = "/var/lib/borgbackup/${machine}";
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authorizedKeys = [ (builtins.readFile (borgbackupIpMachinePath machine)) ];
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};
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}) machinesWithKey;
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in
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lib.mkIf (builtins.elem "server" cfg.roles.${machine_name}) (
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if (builtins.listToAttrs hosts) != null then builtins.listToAttrs hosts else { }
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);
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config.clan.borgbackup.destinations =
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let
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servers = builtins.attrNames (lib.filterAttrs (_n: v: (builtins.elem "server" v)) cfg.roles);
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destinations = builtins.map (server_name: {
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name = server_name;
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value = {
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repo = "borg@${server_name}:/var/lib/borgbackup/${machine_name}";
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};
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}) servers;
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in
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lib.mkIf (builtins.elem "client" cfg.roles.${machine_name}) (builtins.listToAttrs destinations);
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}
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