nixos/mattermost: add preferNixConfig option and tests
One use case for Mattermost configuration is doing a "mostly mutable" configuration where NixOS module options take priority over Mattermost's config JSON. Add a preferNixConfig option that prefers configured Nix options over what's configured in Mattermost config if mutableConfig is set. Remove the reliance on readFile (it's flake incompatible) and use jq instead. Merge Mattermost configs together on Mattermost startup, depending on configured module options. Write tests for mutable, mostly mutable, and immutable configurations.
This commit is contained in:
Morgan Jones
Raphael Megzari
parent
f5901b85d1
commit
174b340406
3 changed files with 143 additions and 16 deletions
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@ -6,23 +6,18 @@ let
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cfg = config.services.mattermost;
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defaultConfig = builtins.fromJSON (builtins.replaceStrings [ "\\u0026" ] [ "&" ]
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(readFile "${pkgs.mattermost}/config/config.json")
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);
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database = "postgres://${cfg.localDatabaseUser}:${cfg.localDatabasePassword}@localhost:5432/${cfg.localDatabaseName}?sslmode=disable&connect_timeout=10";
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mattermostConf = foldl recursiveUpdate defaultConfig
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[ { ServiceSettings.SiteURL = cfg.siteUrl;
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mattermostConf = recursiveUpdate
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{ ServiceSettings.SiteURL = cfg.siteUrl;
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ServiceSettings.ListenAddress = cfg.listenAddress;
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TeamSettings.SiteName = cfg.siteName;
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SqlSettings.DriverName = "postgres";
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SqlSettings.DataSource = database;
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}
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cfg.extraConfig
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];
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cfg.extraConfig;
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mattermostConfJSON = pkgs.writeText "mattermost-config-raw.json" (builtins.toJSON mattermostConf);
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mattermostConfJSON = pkgs.writeText "mattermost-config.json" (builtins.toJSON mattermostConf);
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in
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@ -77,6 +72,16 @@ in
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'';
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};
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preferNixConfig = mkOption {
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type = types.bool;
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default = false;
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description = ''
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If both mutableConfig and this option are set, the Nix configuration
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will take precedence over any settings configured in the server
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console.
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'';
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};
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extraConfig = mkOption {
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type = types.attrs;
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default = { };
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@ -180,14 +185,19 @@ in
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ln -sf ${pkgs.mattermost}/{bin,fonts,i18n,templates,client} ${cfg.statePath}
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'' + lib.optionalString (!cfg.mutableConfig) ''
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rm -f ${cfg.statePath}/config/config.json
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cp ${mattermostConfJSON} ${cfg.statePath}/config/config.json
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${pkgs.jq}/bin/jq -s '.[0] * .[1]' ${pkgs.mattermost}/config/config.json ${mattermostConfJSON} > ${cfg.statePath}/config/config.json
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${pkgs.mattermost}/bin/mattermost config migrate ${cfg.statePath}/config/config.json ${database}
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'' + lib.optionalString cfg.mutableConfig ''
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if ! test -e "${cfg.statePath}/config/.initial-created"; then
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rm -f ${cfg.statePath}/config/config.json
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cp ${mattermostConfJSON} ${cfg.statePath}/config/config.json
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${pkgs.jq}/bin/jq -s '.[0] * .[1]' ${pkgs.mattermost}/config/config.json ${mattermostConfJSON} > ${cfg.statePath}/config/config.json
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touch ${cfg.statePath}/config/.initial-created
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fi
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'' + lib.optionalString (cfg.mutableConfig && cfg.preferNixConfig) ''
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newConfig="$(${pkgs.jq}/bin/jq -s '.[0] * .[1]' ${cfg.statePath}/config/config.json ${mattermostConfJSON})"
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rm -f ${cfg.statePath}/config/config.json
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echo "$newConfig" > ${cfg.statePath}/config/config.json
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'' + lib.optionalString cfg.localDatabaseCreate ''
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if ! test -e "${cfg.statePath}/.db-created"; then
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${pkgs.sudo}/bin/sudo -u ${config.services.postgresql.superUser} \
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@ -261,6 +261,7 @@ in
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matomo = handleTest ./matomo.nix {};
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matrix-appservice-irc = handleTest ./matrix-appservice-irc.nix {};
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matrix-synapse = handleTest ./matrix-synapse.nix {};
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mattermost = handleTest ./mattermost.nix {};
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mediawiki = handleTest ./mediawiki.nix {};
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meilisearch = handleTest ./meilisearch.nix {};
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memcached = handleTest ./memcached.nix {};
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116
nixos/tests/mattermost.nix
Normal file
116
nixos/tests/mattermost.nix
Normal file
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@ -0,0 +1,116 @@
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import ./make-test-python.nix ({ pkgs, lib, ... }:
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let
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host = "smoke.test";
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port = "8065";
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url = "http://${host}:${port}";
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siteName = "NixOS Smoke Tests, Inc.";
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makeMattermost = mattermostConfig:
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{ config, ... }: {
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environment.systemPackages = [
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pkgs.mattermost
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pkgs.curl
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pkgs.jq
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];
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networking.hosts = {
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"127.0.0.1" = [ host ];
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};
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services.mattermost = lib.recursiveUpdate {
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enable = true;
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inherit siteName;
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listenAddress = "0.0.0.0:${port}";
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siteUrl = url;
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extraConfig = {
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SupportSettings.AboutLink = "https://nixos.org";
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};
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} mattermostConfig;
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};
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in
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{
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name = "mattermost";
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nodes = {
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mutable = makeMattermost {
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mutableConfig = true;
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extraConfig.SupportSettings.HelpLink = "https://search.nixos.org";
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};
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mostlyMutable = makeMattermost {
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mutableConfig = true;
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preferNixConfig = true;
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};
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immutable = makeMattermost {
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mutableConfig = false;
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extraConfig.SupportSettings.HelpLink = "https://search.nixos.org";
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};
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};
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testScript = let
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expectConfig = jqExpression: pkgs.writeShellScript "expect-config" ''
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set -euo pipefail
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echo "Expecting config to match: "${lib.escapeShellArg jqExpression} >&2
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curl ${lib.escapeShellArg url} >/dev/null
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config="$(curl ${lib.escapeShellArg "${url}/api/v4/config/client?format=old"})"
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echo "Config: $(echo "$config" | ${pkgs.jq}/bin/jq)" >&2
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[[ "$(echo "$config" | ${pkgs.jq}/bin/jq -r ${lib.escapeShellArg ".SiteName == $siteName and .Version == ($mattermostName / $sep)[-1] and (${jqExpression})"} --arg siteName ${lib.escapeShellArg siteName} --arg mattermostName ${lib.escapeShellArg pkgs.mattermost.name} --arg sep '-')" = "true" ]]
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'';
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setConfig = jqExpression: pkgs.writeShellScript "set-config" ''
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set -euo pipefail
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mattermostConfig=/var/lib/mattermost/config/config.json
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newConfig="$(${pkgs.jq}/bin/jq -r ${lib.escapeShellArg jqExpression} $mattermostConfig)"
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rm -f $mattermostConfig
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echo "$newConfig" > "$mattermostConfig"
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'';
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in
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''
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start_all()
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## Mutable node tests ##
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mutable.wait_for_unit("mattermost.service")
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mutable.wait_for_open_port(8065)
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# Get the initial config
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mutable.succeed("${expectConfig ''.AboutLink == "https://nixos.org" and .HelpLink == "https://search.nixos.org"''}")
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# Edit the config
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mutable.succeed("${setConfig ''.SupportSettings.AboutLink = "https://mattermost.com"''}")
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mutable.succeed("${setConfig ''.SupportSettings.HelpLink = "https://nixos.org/nixos/manual"''}")
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mutable.systemctl("restart mattermost.service")
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mutable.wait_for_open_port(8065)
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# AboutLink and HelpLink should be changed
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mutable.succeed("${expectConfig ''.AboutLink == "https://mattermost.com" and .HelpLink == "https://nixos.org/nixos/manual"''}")
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## Mostly mutable node tests ##
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mostlyMutable.wait_for_unit("mattermost.service")
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mostlyMutable.wait_for_open_port(8065)
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# Get the initial config
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mostlyMutable.succeed("${expectConfig ''.AboutLink == "https://nixos.org"''}")
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# Edit the config
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mostlyMutable.succeed("${setConfig ''.SupportSettings.AboutLink = "https://mattermost.com"''}")
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mostlyMutable.succeed("${setConfig ''.SupportSettings.HelpLink = "https://nixos.org/nixos/manual"''}")
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mostlyMutable.systemctl("restart mattermost.service")
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mostlyMutable.wait_for_open_port(8065)
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# AboutLink should be overridden by NixOS configuration; HelpLink should be what we set above
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mostlyMutable.succeed("${expectConfig ''.AboutLink == "https://nixos.org" and .HelpLink == "https://nixos.org/nixos/manual"''}")
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## Immutable node tests ##
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immutable.wait_for_unit("mattermost.service")
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immutable.wait_for_open_port(8065)
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# Get the initial config
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immutable.succeed("${expectConfig ''.AboutLink == "https://nixos.org" and .HelpLink == "https://search.nixos.org"''}")
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# Edit the config
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immutable.succeed("${setConfig ''.SupportSettings.AboutLink = "https://mattermost.com"''}")
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immutable.succeed("${setConfig ''.SupportSettings.HelpLink = "https://nixos.org/nixos/manual"''}")
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immutable.systemctl("restart mattermost.service")
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immutable.wait_for_open_port(8065)
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# Our edits should be ignored on restart
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immutable.succeed("${expectConfig ''.AboutLink == "https://nixos.org" and .HelpLink == "https://search.nixos.org"''}")
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'';
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})
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