67 lines
2.2 KiB
Nix
67 lines
2.2 KiB
Nix
{ config, pkgs, lib }:
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serviceCfg: serviceDrv: iniKey: attrs:
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let
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cfg = config.services.sourcehut;
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cfgIni = cfg.settings."${iniKey}";
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pgSuperUser = config.services.postgresql.superUser;
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setupDB = pkgs.writeScript "${serviceDrv.pname}-gen-db" ''
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#! ${cfg.python}/bin/python
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from ${serviceDrv.pname}.app import db
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db.create()
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'';
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in
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with serviceCfg; with lib; recursiveUpdate
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{
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environment.HOME = statePath;
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path = [ config.services.postgresql.package ] ++ (attrs.path or [ ]);
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restartTriggers = [ config.environment.etc."sr.ht/config.ini".source ];
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serviceConfig = {
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Type = "simple";
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User = user;
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Group = user;
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Restart = "always";
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WorkingDirectory = statePath;
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} // (if (cfg.statePath == "/var/lib/sourcehut/${serviceDrv.pname}") then {
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StateDirectory = [ "sourcehut/${serviceDrv.pname}" ];
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} else {})
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;
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preStart = ''
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if ! test -e ${statePath}/db; then
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# Setup the initial database
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${setupDB}
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# Set the initial state of the database for future database upgrades
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if test -e ${cfg.python}/bin/${serviceDrv.pname}-migrate; then
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# Run alembic stamp head once to tell alembic the schema is up-to-date
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${cfg.python}/bin/${serviceDrv.pname}-migrate stamp head
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fi
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printf "%s" "${serviceDrv.version}" > ${statePath}/db
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fi
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# Update copy of each users' profile to the latest
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# See https://lists.sr.ht/~sircmpwn/sr.ht-admins/<20190302181207.GA13778%40cirno.my.domain>
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if ! test -e ${statePath}/webhook; then
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# Update ${iniKey}'s users' profile copy to the latest
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${cfg.python}/bin/srht-update-profiles ${iniKey}
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touch ${statePath}/webhook
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fi
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${optionalString (builtins.hasAttr "migrate-on-upgrade" cfgIni && cfgIni.migrate-on-upgrade == "yes") ''
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if [ "$(cat ${statePath}/db)" != "${serviceDrv.version}" ]; then
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# Manage schema migrations using alembic
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${cfg.python}/bin/${serviceDrv.pname}-migrate -a upgrade head
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# Mark down current package version
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printf "%s" "${serviceDrv.version}" > ${statePath}/db
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fi
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''}
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${attrs.preStart or ""}
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'';
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}
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(builtins.removeAttrs attrs [ "path" "preStart" ])
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