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|
{ config, pkgs, ... }:
with pkgs.lib;
let
b2s = x: if x then "true" else "false";
cfg = config.services.mongodb;
mongodb = cfg.package;
mongoCnf = pkgs.writeText "mongodb.conf"
''
bind_ip = ${cfg.bind_ip}
${optionalString cfg.quiet "quiet = true"}
dbpath = ${cfg.dbpath}
logpath = ${cfg.logpath}
logappend = ${b2s cfg.logappend}
${optionalString (cfg.replSetName != "") "replSet = ${cfg.replSetName}"}
'';
in
{
###### interface
options = {
services.mongodb = {
enable = mkOption {
default = false;
description = "
Whether to enable the MongoDB server.
";
};
package = mkOption {
default = pkgs.mongodb;
type = types.package;
description = "
Which MongoDB derivation to use.
";
};
user = mkOption {
default = "mongodb";
description = "User account under which MongoDB runs";
};
bind_ip = mkOption {
default = "127.0.0.1";
description = "IP to bind to";
};
quiet = mkOption {
default = false;
description = "quieter output";
};
dbpath = mkOption {
default = "/var/db/mongodb";
description = "Location where MongoDB stores its files";
};
logpath = mkOption {
default = "/var/log/mongodb/mongod.log";
description = "Location where MongoDB stores its logfile";
};
logappend = mkOption {
default = true;
description = "Append logfile instead over overwriting";
};
replSetName = mkOption {
default = "";
description = ''
If this instance is part of a replica set, set its name here.
Otherwise, leave empty to run as single node.
'';
};
};
};
###### implementation
config = mkIf config.services.mongodb.enable {
users.extraUsers.mongodb = mkIf (cfg.user == "mongodb")
{ name = "mongodb";
uid = config.ids.uids.mongodb;
description = "MongoDB server user";
};
environment.systemPackages = [ mongodb ];
systemd.services.mongodb_init =
{ description = "MongoDB server initialisation";
wantedBy = [ "mongodb.service" ];
before = [ "mongodb.service" ];
serviceConfig.Type = "oneshot";
script = ''
if ! test -e ${cfg.dbpath}; then
install -d -m0700 -o ${cfg.user} ${cfg.dbpath}
install -d -m0755 -o ${cfg.user} `dirname ${cfg.logpath}`
fi
'';
};
systemd.services.mongodb =
{ description = "MongoDB server";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
ExecStart = "${mongodb}/bin/mongod --quiet --config ${mongoCnf}";
User = cfg.user;
};
};
};
}
|