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https://github.com/NixOS/nixpkgs.git
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6afb255d97
these changes were generated with nixq 0.0.2, by running nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix two mentions of the mdDoc function remain in nixos/, both of which are inside of comments. Since lib.mdDoc is already defined as just id, this commit is a no-op as far as Nix (and the built manual) is concerned.
102 lines
3.0 KiB
Nix
102 lines
3.0 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.envoy;
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format = pkgs.formats.json { };
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conf = format.generate "envoy.json" cfg.settings;
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validateConfig = required: file:
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pkgs.runCommand "validate-envoy-conf" { } ''
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${cfg.package}/bin/envoy --log-level error --mode validate -c "${file}" ${lib.optionalString (!required) "|| true"}
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cp "${file}" "$out"
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'';
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in
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{
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options.services.envoy = {
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enable = mkEnableOption "Envoy reverse proxy";
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package = mkPackageOption pkgs "envoy" { };
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requireValidConfig = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether a failure during config validation at build time is fatal.
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When the config can't be checked during build time, for example when it includes
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other files, disable this option.
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'';
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};
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settings = mkOption {
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type = format.type;
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default = { };
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example = literalExpression ''
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{
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admin = {
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access_log_path = "/dev/null";
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address = {
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socket_address = {
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protocol = "TCP";
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address = "127.0.0.1";
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port_value = 9901;
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};
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};
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};
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static_resources = {
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listeners = [];
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clusters = [];
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};
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}
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'';
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description = ''
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Specify the configuration for Envoy in Nix.
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'';
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = [ cfg.package ];
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systemd.services.envoy = {
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description = "Envoy reverse proxy";
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after = [ "network-online.target" ];
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requires = [ "network-online.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${cfg.package}/bin/envoy -c ${validateConfig cfg.requireValidConfig conf}";
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CacheDirectory = [ "envoy" ];
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LogsDirectory = [ "envoy" ];
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Restart = "no";
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# Hardening
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AmbientCapabilities = [ "CAP_NET_BIND_SERVICE" ];
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CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" ];
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DeviceAllow = [ "" ];
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DevicePolicy = "closed";
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DynamicUser = true;
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LockPersonality = true;
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MemoryDenyWriteExecute = false; # at least wasmr needs WX permission
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PrivateDevices = true;
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PrivateUsers = false; # breaks CAP_NET_BIND_SERVICE
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ProcSubset = "pid";
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectProc = "ptraceable";
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ProtectSystem = "strict";
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RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" "AF_NETLINK" "AF_XDP" ];
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RestrictNamespaces = true;
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RestrictRealtime = true;
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SystemCallArchitectures = "native";
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SystemCallErrorNumber = "EPERM";
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SystemCallFilter = [ "@system-service" "~@privileged" "~@resources" ];
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UMask = "0066";
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};
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};
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};
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}
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