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nixos/immich: add enableVectorChord option

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This enables VectorChord in the database (currently) alongside
pgvecto.rs. Note that VectorChord requires pgvector, which is enabled as
well by this option.

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
This commit is contained in:
Sefa Eyeoglu
2025-08-19 17:55:14 +02:00
parent 1a24457782
commit fd1994a8b7
2 changed files with 32 additions and 9 deletions
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nixos/doc/manual/release-notes/rl-2511.section.md
+2
View File
@@ -198,6 +198,8 @@
- `services.ntpd-rs` now performs configuration validation.
- Immich now has support for [VectorChord](https://github.com/tensorchord/VectorChord) when using the PostgreSQL configuration provided by `services.immich.database.enable`, which replaces `pgvecto-rs`. VectorChord support can be toggled with the option `services.immich.database.enableVectorChord`.
- `services.postsrsd` now automatically integrates with the local Postfix instance, when enabled. This behavior can disabled using the [services.postsrsd.configurePostfix](#opt-services.postsrsd.configurePostfix) option.
- `services.pfix-srsd` now automatically integrates with the local Postfix instance, when enabled. This behavior can disabled using the [services.pfix-srsd.configurePostfix](#opt-services.pfix-srsd.configurePostfix) option.
nixos/modules/services/web-apps/immich.nix
+30 -9
View File
@@ -182,6 +182,11 @@ in
// {
default = true;
};
enableVectorChord =
mkEnableOption "the new VectorChord extension for full-text search in Postgres"
// {
default = true;
};
createDB = mkEnableOption "the automatic creation of the database for immich." // {
default = true;
};
@@ -248,27 +253,43 @@ in
ensureClauses.login = true;
}
];
extensions = ps: with ps; [ pgvecto-rs ];
extensions =
ps:
[ ps.pgvecto-rs ]
++ lib.optionals cfg.database.enableVectorChord [
ps.vectors
ps.vectorchord
];
settings = {
shared_preload_libraries = [ "vectors.so" ];
shared_preload_libraries = [
"vectors.so"
]
++ lib.optionals cfg.database.enableVectorChord [ "vchord.so" ];
search_path = "\"$user\", public, vectors";
};
};
systemd.services.postgresql-setup.serviceConfig.ExecStartPost =
let
extensions = [
"unaccent"
"uuid-ossp"
"vectors"
"cube"
"earthdistance"
"pg_trgm"
]
++ lib.optionals cfg.database.enableVectorChord [
"vector"
"vchord"
];
sqlFile = pkgs.writeText "immich-pgvectors-setup.sql" ''
CREATE EXTENSION IF NOT EXISTS unaccent;
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
CREATE EXTENSION IF NOT EXISTS vectors;
CREATE EXTENSION IF NOT EXISTS cube;
CREATE EXTENSION IF NOT EXISTS earthdistance;
CREATE EXTENSION IF NOT EXISTS pg_trgm;
${lib.concatMapStringsSep "\n" (ext: "CREATE EXTENSION IF NOT EXISTS \"${ext}\";") extensions}
ALTER SCHEMA public OWNER TO ${cfg.database.user};
ALTER SCHEMA vectors OWNER TO ${cfg.database.user};
GRANT SELECT ON TABLE pg_vector_index_stat TO ${cfg.database.user};
ALTER EXTENSION vectors UPDATE;
${lib.concatMapStringsSep "\n" (ext: "ALTER EXTENSION \"${ext}\" UPDATE;") extensions}
'';
in
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