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feat: Added custom option and config #1368

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merged 4 commits into from
Aug 19, 2024
Merged

feat: Added custom option and config #1368

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09321a8
feat: Added custom option and config
ElrohirGT Aug 8, 2024
9176899
fix: option naming and example
ElrohirGT Aug 9, 2024
c5d1d92
fix: Changed from file reference to contents reference
ElrohirGT Aug 9, 2024
11d0fa9
chore: formatting
ElrohirGT Aug 14, 2024
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22 changes: 22 additions & 0 deletions src/modules/services/postgres.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,13 @@ let

configFile = pkgs.writeText "postgresql.conf" (lib.concatStringsSep "\n"
(lib.mapAttrsToList (n: v: "${n} = ${toStr v}") cfg.settings));
setupPgHbaFileScript =
if cfg.hbaConf != null then
let
file = pkgs.writeText "pg_hba.conf" cfg.hbaConf;
in
''cp ${file} "$PGDATA/pg_hba.conf"''
else "";
setupScript = pkgs.writeShellScriptBin "setup-postgres" ''
set -euo pipefail
export PATH=${postgresPkg}/bin:${pkgs.coreutils}/bin
Expand All @@ -100,6 +107,9 @@ let

# Setup config
cp ${configFile} "$PGDATA/postgresql.conf"

# Setup pg_hba.conf
${setupPgHbaFileScript}

if [[ "$POSTGRES_RUN_INITIAL_SCRIPT" = "true" ]]; then
echo
Expand Down Expand Up @@ -276,6 +286,18 @@ in
CREATE ROLE bar;
'';
};

hbaConf = lib.mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The contents of a custom pg_hba.conf file to copy into the postgres installation.
This allows for custom connection rules that you want to establish on the server.
'';
example = lib.literalExpression ''
builtins.readFile ./my-custom/directory/to/pg_hba.conf
'';
};
};

config = lib.mkIf cfg.enable {
Expand Down
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