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nixos/couchdb: Add support for additional config files (#358006)

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Arne Keller 2024-12-13 08:58:39 +01:00 committed by GitHub
commit 0d9ea99d72
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1 changed files with 54 additions and 42 deletions
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96
nixos/modules/services/databases/couchdb.nix
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@ -1,36 +1,53 @@
{ config, options, lib, pkgs, ... }:
{
config,
options,
lib,
pkgs,
...
}:
let
cfg = config.services.couchdb;
opt = options.services.couchdb;
configFile = pkgs.writeText "couchdb.ini" (
''
[couchdb]
database_dir = ${cfg.databaseDir}
uri_file = ${cfg.uriFile}
view_index_dir = ${cfg.viewIndexDir}
'' + (lib.optionalString (cfg.adminPass != null) ''
[admins]
${cfg.adminUser} = ${cfg.adminPass}
'' + ''
[chttpd]
'') +
''
port = ${toString cfg.port}
bind_address = ${cfg.bindAddress}
[log]
file = ${cfg.logFile}
'');
baseConfig = {
couchdb = {
database_dir = cfg.databaseDir;
uri_file = cfg.uriFile;
view_index_dir = cfg.viewIndexDir;
};
chttpd = {
port = cfg.port;
bind_address = cfg.bindAddress;
};
log = {
file = cfg.logFile;
};
};
adminConfig = lib.optionalAttrs (cfg.adminPass != null) {
admins = {
"${cfg.adminUser}" = cfg.adminPass;
};
};
appConfig = lib.recursiveUpdate (lib.recursiveUpdate baseConfig adminConfig) cfg.extraConfig;
optionsConfigFile = pkgs.writeText "couchdb.ini" (lib.generators.toINI { } appConfig);
# we are actually specifying 5 configuration files:
# 1. the preinstalled default.ini
# 2. the module configuration
# 3. the extraConfigFiles from the module options
# 4. the locally writable config file, which couchdb itself writes to
configFiles = [
"${cfg.package}/etc/default.ini"
optionsConfigFile
] ++ cfg.extraConfigFiles ++ [ cfg.configFile ];
executable = "${cfg.package}/bin/couchdb";
in {
in
{
###### interface
options = {
services.couchdb = {
enable = lib.mkEnableOption "CouchDB Server";
package = lib.mkPackageOption pkgs "couchdb3" { };
@ -128,10 +145,15 @@ in {
};
extraConfig = lib.mkOption {
type = lib.types.lines;
default = "";
type = lib.types.attrs;
default = { };
description = "Extra configuration options for CouchDB";
};
extraConfigFiles = lib.mkOption {
type = lib.types.listOf lib.types.path;
default = [ ];
description = ''
Extra configuration. Overrides any other configuration.
Extra configuration files. Overrides any other configuration. You can use this to setup the Admin user without putting the password in your nix store.
'';
};
@ -146,24 +168,20 @@ in {
configFile = lib.mkOption {
type = lib.types.path;
default = "/var/lib/couchdb/local.ini";
description = ''
Configuration file for persisting runtime changes. File
needs to be readable and writable from couchdb user/group.
'';
};
};
};
###### implementation
config = lib.mkIf config.services.couchdb.enable {
config = lib.mkIf cfg.enable {
environment.systemPackages = [ cfg.package ];
services.couchdb.configFile = lib.mkDefault "/var/lib/couchdb/local.ini";
systemd.tmpfiles.rules = [
"d '${dirOf cfg.uriFile}' - ${cfg.user} ${cfg.group} - -"
"f '${cfg.logFile}' - ${cfg.user} ${cfg.group} - -"
@ -185,15 +203,10 @@ in {
'';
environment = {
# we are actually specifying 5 configuration files:
# 1. the preinstalled default.ini
# 2. the module configuration
# 3. the extraConfig from the module options
# 4. the locally writable config file, which couchdb itself writes to
ERL_FLAGS= ''-couch_ini ${cfg.package}/etc/default.ini ${configFile} ${pkgs.writeText "couchdb-extra.ini" cfg.extraConfig} ${cfg.configFile}'';
ERL_FLAGS = ''-couch_ini ${lib.concatStringsSep " " configFiles}'';
# 5. the vm.args file
COUCHDB_ARGS_FILE=''${cfg.argsFile}'';
HOME =''${cfg.databaseDir}'';
COUCHDB_ARGS_FILE = ''${cfg.argsFile}'';
HOME = ''${cfg.databaseDir}'';
};
serviceConfig = {
@ -210,6 +223,5 @@ in {
};
users.groups.couchdb.gid = config.ids.gids.couchdb;
};
}