Add nextcloud doku, because why-not
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hosts/hera/nextcloud.xml
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hosts/hera/nextcloud.xml
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<chapter xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="module-services-nextcloud">
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<title>Nextcloud</title>
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<para>
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<link xlink:href="https://nextcloud.com/">Nextcloud</link> is an open-source, self-hostable cloud
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platform. The server setup can be automated using
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<link linkend="opt-services.nextcloud.enable">services.nextcloud</link>. A desktop client is packaged
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at <literal>pkgs.nextcloud-client</literal>.
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</para>
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<section xml:id="module-services-nextcloud-basic-usage">
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<title>Basic usage</title>
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<para>
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Nextcloud is a PHP-based application which requires an HTTP server
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(<literal><link linkend="opt-services.nextcloud.enable">services.nextcloud</link></literal> optionally supports
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<literal><link linkend="opt-services.nginx.enable">services.nginx</link></literal>) and a database
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(it's recommended to use <literal><link linkend="opt-services.postgresql.enable">services.postgresql</link></literal>).
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</para>
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<para>
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A very basic configuration may look like this:
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<programlisting>{ pkgs, ... }:
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{
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services.nextcloud = {
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<link linkend="opt-services.nextcloud.enable">enable</link> = true;
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<link linkend="opt-services.nextcloud.hostName">hostName</link> = "nextcloud.tld";
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<link linkend="opt-services.nextcloud.nginx.enable">nginx.enable</link> = true;
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config = {
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<link linkend="opt-services.nextcloud.config.dbtype">dbtype</link> = "pgsql";
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<link linkend="opt-services.nextcloud.config.dbuser">dbuser</link> = "nextcloud";
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<link linkend="opt-services.nextcloud.config.dbhost">dbhost</link> = "/tmp"; # nextcloud will add /.s.PGSQL.5432 by itself
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<link linkend="opt-services.nextcloud.config.dbname">dbname</link> = "nextcloud";
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<link linkend="opt-services.nextcloud.config.adminpassFile">adminpassFile</link> = "/path/to/admin-pass-file";
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<link linkend="opt-services.nextcloud.config.adminuser">adminuser</link> = "root";
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};
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};
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services.postgresql = {
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<link linkend="opt-services.postgresql.enable">enable</link> = true;
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<link linkend="opt-services.postgresql.initialScript">initialScript</link> = pkgs.writeText "psql-init" ''
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CREATE ROLE nextcloud WITH LOGIN;
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CREATE DATABASE nextcloud WITH OWNER nextcloud;
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'';
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};
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# ensure that postgres is running *before* running the setup
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systemd.services."nextcloud-setup" = {
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requires = ["postgresql.service"];
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after = ["postgresql.service"];
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};
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<link linkend="opt-networking.firewall.allowedTCPPorts">networking.firewall.allowedTCPPorts</link> = [ 80 443 ];
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}</programlisting>
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</para>
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<para>
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The options <literal>hostName</literal> and <literal>nginx.enable</literal> are used internally to configure an
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HTTP server using <literal><link xlink:href="https://php-fpm.org/">PHP-FPM</link></literal> and <literal>nginx</literal>.
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The <literal>config</literal> attribute set is used for the <literal>config.php</literal> which is used
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for the application's configuration.
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<emphasis>Beware: this isn't entirely pure since the config is modified by the application's runtime!</emphasis>
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</para>
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<para>
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In case the application serves multiple hosts (those are checked with
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<literal><link xlink:href="http://php.net/manual/en/reserved.variables.server.php">$_SERVER['HTTP_HOST']</link></literal>)
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those can be added using
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<literal><link linkend="opt-services.nextcloud.config.extraTrustedDomains">services.nextcloud.config.extraTrustedDomains</link></literal>.
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</para>
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</section>
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<section xml:id="module-services-nextcloud-pitfalls-during-upgrade">
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<title>Pitfalls</title>
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<para>
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Unfortunately Nextcloud appears to be very stateful when it comes to managing its own configuration. The
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config file lives in the home directory of the <literal>nextcloud</literal> user (by default
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<literal>/var/lib/nextcloud/config/config.php</literal>) and is also used to track several
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states of the application (e.g. whether installed or not).
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</para>
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<para>
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Right now changes to the <literal>services.nextcloud.config</literal> attribute set won't take effect
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after the first install
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(except <literal><link linkend="opt-services.nextcloud.config.extraTrustedDomains">services.nextcloud.config.extraTrustedDomains</link></literal>) since the actual configuration
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file is generated by the NextCloud installer which also sets up critical parts such as the database
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structure.
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</para>
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<para>
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<emphasis>Warning: don't delete <literal>config.php</literal>! This file tracks the application's state and a deletion can cause unwanted side-effects!</emphasis>
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</para>
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<para>
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<emphasis>Warning: don't rerun <literal>nextcloud-occ maintenance:install</literal>! This command tries to install the application and can cause unwanted side-effects!</emphasis>
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</para>
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<para>
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The issues are known and reported in <link xlink:href="https://github.com/NixOS/nixpkgs/issues/49783">#49783</link>, for now it's unfortunately necessary to manually work around these issues.
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</para>
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</section>
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</chapter>
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