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afdee7e458
This was broken by the Rust 1.80 upgrade, and is an old version that we’d have to patch to keep working. We have already done the 0.4 → 0.5 update without keeping around the old version or adding in any additional `stateVersion` logic in <https://github.com/NixOS/nixpkgs/pull/280221>. As a result, migration for 0.3 users is going to be a little awkward. I’ve done my best to provide comprehensive instructions for anyone who hasn’t already bumped to 0.4. It is probably a footgun to add `stateVersion` logic for any package that makes backwards‐incompatible schema changes and only supports migration from the immediately previous version. Users won’t get migrated by default and we have to either package and maintain an endlessly growing list of old versions or add complicated instructions like this. It’s not really practical for us to support a significantly better migration story than upstream does.
122 lines
4.0 KiB
Nix
122 lines
4.0 KiB
Nix
{ lib, pkgs, config, ... }:
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let
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cfg = config.services.pict-rs;
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inherit (lib) maintainers mkOption types;
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in
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{
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meta.maintainers = with maintainers; [ happysalada ];
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meta.doc = ./pict-rs.md;
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options.services.pict-rs = {
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enable = lib.mkEnableOption "pict-rs server";
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package = lib.mkPackageOption pkgs "pict-rs" { };
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/pict-rs";
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description = ''
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The directory where to store the uploaded images & database.
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'';
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};
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repoPath = mkOption {
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type = types.nullOr (types.path);
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default = null;
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description = ''
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The directory where to store the database.
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This option takes precedence over dataDir.
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'';
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};
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storePath = mkOption {
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type = types.nullOr (types.path);
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default = null;
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description = ''
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The directory where to store the uploaded images.
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This option takes precedence over dataDir.
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'';
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};
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address = mkOption {
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type = types.str;
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default = "127.0.0.1";
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description = ''
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The IPv4 address to deploy the service to.
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'';
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};
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port = mkOption {
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type = types.port;
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default = 8080;
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description = ''
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The port which to bind the service to.
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'';
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};
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};
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config = lib.mkIf cfg.enable {
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services.pict-rs.package = lib.mkDefault (
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if lib.versionAtLeast config.system.stateVersion "23.11"
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then pkgs.pict-rs
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else throw ''
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pict-rs made changes to the database schema between 0.3 and 0.4. It
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will apply these automatically on the first run of 0.4, but the old
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version will no longer work after that.
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Your configuration is currently using the old default of pict-rs
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0.3. Unfortunately, 0.3 no longer builds due to the Rust 1.80 update,
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and has been removed. pict-rs has already been updated to 0.5 in
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Nixpkgs, which has another schema change but removes the migration
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logic for 0.3.
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You will need to migrate to 0.4 first, and then to 0.5. As 0.4 is
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no longer present in Nixpkgs, the recommended migration path is:
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* Import a separate Nixpkgs old enough to contain 0.4, temporarily
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set `services.pict-rs.package` to its pict-rs, set the
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`PICTRS__OLD_DB__PATH` environment variable for the migration, and
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activate your configuration to start it. The following configuration
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snippet should work:
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services.pict-rs.package =
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(import (builtins.fetchTarball {
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url = "https://github.com/NixOS/nixpkgs/archive/9b19f5e77dd906cb52dade0b7bd280339d2a1f3d.tar.gz";
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sha256 = "sha256:0939vbhln9d33xkqw63nsk908k03fxihj85zaf70i3il9z42q8mc";
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}) pkgs.config).pict-rs;
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systemd.services.pict-rs.environment.PICTRS__OLD_DB__PATH = config.services.pict-rs.dataDir;
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* After the migration to 0.4 completes, remove the package and
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environment variable overrides, set `services.pict-rs.package` to
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the current `pkgs.pict-rs` instead, and activate your configuration
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to begin the migration to 0.5.
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For more information, see:
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* <https://git.asonix.dog/asonix/pict-rs/src/tag/v0.4.8#0-3-to-0-4-migration-guide>
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* <https://git.asonix.dog/asonix/pict-rs/src/tag/v0.5.16#0-4-to-0-5-migration-guide>
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The NixOS module will handle the configuration changes for you,
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at least.
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''
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);
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systemd.services.pict-rs = {
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environment = {
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PICTRS__REPO__PATH = if cfg.repoPath != null then cfg.repoPath else "${cfg.dataDir}/sled-repo";
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PICTRS__STORE__PATH = if cfg.storePath != null then cfg.storePath else "${cfg.dataDir}/files";
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PICTRS__SERVER__ADDRESS = "${cfg.address}:${toString cfg.port}";
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};
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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DynamicUser = true;
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StateDirectory = "pict-rs";
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ExecStart = "${lib.getBin cfg.package}/bin/pict-rs run";
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};
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};
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};
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}
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