diff options
Diffstat (limited to 'nixpkgs/nixos/modules/services/databases/postgresql.xml')
| -rw-r--r-- | nixpkgs/nixos/modules/services/databases/postgresql.xml | 72 |
1 files changed, 69 insertions, 3 deletions
diff --git a/nixpkgs/nixos/modules/services/databases/postgresql.xml b/nixpkgs/nixos/modules/services/databases/postgresql.xml index 00bb02dcc5bf..72d4a8249a32 100644 --- a/nixpkgs/nixos/modules/services/databases/postgresql.xml +++ b/nixpkgs/nixos/modules/services/databases/postgresql.xml @@ -27,10 +27,10 @@ <filename>configuration.nix</filename>: <programlisting> <xref linkend="opt-services.postgresql.enable"/> = true; -<xref linkend="opt-services.postgresql.package"/> = pkgs.postgresql_9_4; +<xref linkend="opt-services.postgresql.package"/> = pkgs.postgresql_11; </programlisting> Note that you are required to specify the desired version of PostgreSQL - (e.g. <literal>pkgs.postgresql_9_4</literal>). Since upgrading your + (e.g. <literal>pkgs.postgresql_11</literal>). Since upgrading your PostgreSQL version requires a database dump and reload (see below), NixOS cannot provide a default value for <xref linkend="opt-services.postgresql.package"/> such as the most recent @@ -52,7 +52,7 @@ Type "help" for help. <para> By default, PostgreSQL stores its databases in - <filename>/var/db/postgresql</filename>. You can override this using + <filename>/var/lib/postgresql/$psqlSchema</filename>. You can override this using <xref linkend="opt-services.postgresql.dataDir"/>, e.g. <programlisting> <xref linkend="opt-services.postgresql.dataDir"/> = "/data/postgresql"; @@ -74,4 +74,70 @@ Type "help" for help. <link linkend="opt-services.postgresql.enable">here</link>. </para> </section> + <section xml:id="module-services-postgres-plugins"> + <title>Plugins</title> + + <para> + Plugins collection for each PostgreSQL version can be accessed with + <literal>.pkgs</literal>. For example, for + <literal>pkgs.postgresql_11</literal> package, its plugin collection is + accessed by <literal>pkgs.postgresql_11.pkgs</literal>: +<screen> +<prompt>$ </prompt>nix repl '<nixpkgs>' + +Loading '<nixpkgs>'... +Added 10574 variables. + +<prompt>nix-repl> </prompt>postgresql_11.pkgs.<TAB><TAB> +postgresql_11.pkgs.cstore_fdw postgresql_11.pkgs.pg_repack +postgresql_11.pkgs.pg_auto_failover postgresql_11.pkgs.pg_safeupdate +postgresql_11.pkgs.pg_bigm postgresql_11.pkgs.pg_similarity +postgresql_11.pkgs.pg_cron postgresql_11.pkgs.pg_topn +postgresql_11.pkgs.pg_hll postgresql_11.pkgs.pgjwt +postgresql_11.pkgs.pg_partman postgresql_11.pkgs.pgroonga +... +</screen> + </para> + <para> + To add plugins via NixOS configuration, set <literal>services.postgresql.extraPlugins</literal>: +<programlisting> +<xref linkend="opt-services.postgresql.package"/> = pkgs.postgresql_11; +<xref linkend="opt-services.postgresql.extraPlugins"/> = with pkgs.postgresql_11.pkgs; [ + pg_repack + postgis +]; +</programlisting> + </para> + <para> + You can build custom PostgreSQL-with-plugins (to be used outside of NixOS) using + function <literal>.withPackages</literal>. For example, creating a custom + PostgreSQL package in an overlay can look like: +<programlisting> +self: super: { + postgresql_custom = self.postgresql_11.withPackages (ps: [ + ps.pg_repack + ps.postgis + ]); +} +</programlisting> + </para> + <para> + Here's a recipe on how to override a particular plugin through an overlay: +<programlisting> +self: super: { + postgresql_11 = super.postgresql_11.override { this = self.postgresql_11; } // { + pkgs = super.postgresql_11.pkgs // { + pg_repack = super.postgresql_11.pkgs.pg_repack.overrideAttrs (_: { + name = "pg_repack-v20181024"; + src = self.fetchzip { + url = "https://github.com/reorg/pg_repack/archive/923fa2f3c709a506e111cc963034bf2fd127aa00.tar.gz"; + sha256 = "17k6hq9xaax87yz79j773qyigm4fwk8z4zh5cyp6z0sxnwfqxxw5"; + }; + }); + }; + }; +} +</programlisting> + </para> + </section> </chapter> |