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change groupAccess to tristate, to not force chmod on dataDir.

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Making mask either 0700 or 0750 is too restrictive..
This commit is contained in:
danbst 2019-07-25 01:00:26 +03:00
parent e54ad9812b
commit 363ba3f403
1 changed files with 12 additions and 7 deletions
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17
nixos/modules/services/databases/postgresql.nix
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@ -38,7 +38,7 @@ let
${cfg.extraConfig} ${cfg.extraConfig}
''; '';
dirMode = if cfg.groupAccess then "0750" else "0700"; dirMode = if cfg.groupAccess == true then "0750" else "0700";
in in
@ -83,11 +83,14 @@ in
}; };
groupAccess = mkOption { groupAccess = mkOption {
type = types.bool; type = with types; nullOr bool;
default = false; default = null;
description = '' description = ''
Allow read access for group (0750 mask for data directory). When true, allow read access for group (<literal>0750</literal> mask for data directory).
Supported only for PostgreSQL 11+. Supported only for PostgreSQL 11+.
</para><para>
When false, force a restrictive <literal>0700</literal> mask on data directory, so
PostgreSQL won't fail due to too permissive mask.
''; '';
}; };
@ -262,7 +265,7 @@ in
config = mkIf cfg.enable { config = mkIf cfg.enable {
assertions = [ assertions = [
{ assertion = cfg.groupAccess -> versionAtLeast cfg.package.version "11.0"; { assertion = cfg.groupAccess == true -> versionAtLeast cfg.package.version "11.0";
message = '' message = ''
'groupAccess' is not available for PostgreSQL < 11. 'groupAccess' is not available for PostgreSQL < 11.
''; '';
@ -283,7 +286,7 @@ in
else "/var/db/postgresql"); else "/var/db/postgresql");
services.postgresql.initdbArgs = services.postgresql.initdbArgs =
mkBefore (optional cfg.groupAccess "--allow-group-access"); mkBefore (optional (cfg.groupAccess == true) "--allow-group-access");
services.postgresql.authentication = mkAfter services.postgresql.authentication = mkAfter
'' ''
@ -339,7 +342,9 @@ in
ln -sfn "${pkgs.writeText "recovery.conf" cfg.recoveryConfig}" \ ln -sfn "${pkgs.writeText "recovery.conf" cfg.recoveryConfig}" \
"${cfg.dataDir}/recovery.conf" "${cfg.dataDir}/recovery.conf"
''} ''}
${optionalString (cfg.groupAccess != null) ''
chmod ${dirMode} "${cfg.dataDir}" chmod ${dirMode} "${cfg.dataDir}"
''}
exec postgres exec postgres
''; '';