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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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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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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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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