29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
139 lines
4.1 KiB
Nix
139 lines
4.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.ejabberd;
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in
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{
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###### interface
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options = {
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services.ejabberd = {
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enable = mkOption {
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default = false;
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description = "Whether to enable ejabberd server";
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};
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spoolDir = mkOption {
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default = "/var/lib/ejabberd";
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description = "Location of the spooldir of ejabberd";
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};
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logsDir = mkOption {
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default = "/var/log/ejabberd";
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description = "Location of the logfile directory of ejabberd";
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};
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confDir = mkOption {
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default = "/var/ejabberd";
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description = "Location of the config directory of ejabberd";
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};
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virtualHosts = mkOption {
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default = "\"localhost\"";
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description = "Virtualhosts that ejabberd should host. Hostnames are surrounded with doublequotes and separated by commas";
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};
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loadDumps = mkOption {
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default = [];
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description = "Configuration dump that should be loaded on the first startup";
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example = literalExample "[ ./myejabberd.dump ]";
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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environment.systemPackages = [ pkgs.ejabberd ];
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jobs.ejabberd =
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{ description = "EJabberd server";
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startOn = "started network-interfaces";
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stopOn = "stopping network-interfaces";
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environment = {
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PATH = "$PATH:${pkgs.ejabberd}/sbin:${pkgs.ejabberd}/bin:${pkgs.coreutils}/bin:${pkgs.bash}/bin:${pkgs.gnused}/bin";
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};
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preStart =
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''
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PATH="$PATH:${pkgs.ejabberd}/sbin:${pkgs.ejabberd}/bin:${pkgs.coreutils}/bin:${pkgs.bash}/bin:${pkgs.gnused}/bin";
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# Initialise state data
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mkdir -p ${cfg.logsDir}
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if ! test -d ${cfg.spoolDir}
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then
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initialize=1
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cp -av ${pkgs.ejabberd}/var/lib/ejabberd /var/lib
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fi
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if ! test -d ${cfg.confDir}
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then
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mkdir -p ${cfg.confDir}
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cp ${pkgs.ejabberd}/etc/ejabberd/* ${cfg.confDir}
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sed -e 's|{hosts, \["localhost"\]}.|{hosts, \[${cfg.virtualHosts}\]}.|' ${pkgs.ejabberd}/etc/ejabberd/ejabberd.cfg > ${cfg.confDir}/ejabberd.cfg
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fi
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ejabberdctl --config-dir ${cfg.confDir} --logs ${cfg.logsDir} --spool ${cfg.spoolDir} start
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${if cfg.loadDumps == [] then "" else
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''
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if [ "$initialize" = "1" ]
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then
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# Wait until the ejabberd server is available for use
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count=0
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while ! ejabberdctl --config-dir ${cfg.confDir} --logs ${cfg.logsDir} --spool ${cfg.spoolDir} status
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do
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if [ $count -eq 30 ]
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then
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echo "Tried 30 times, giving up..."
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exit 1
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fi
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echo "Ejabberd daemon not yet started. Waiting for 1 second..."
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count=$((count++))
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sleep 1
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done
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${concatMapStrings (dump:
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''
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echo "Importing dump: ${dump}"
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if [ -f ${dump} ]
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then
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ejabberdctl --config-dir ${cfg.confDir} --logs ${cfg.logsDir} --spool ${cfg.spoolDir} load ${dump}
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elif [ -d ${dump} ]
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then
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for i in ${dump}/ejabberd-dump/*
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do
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ejabberdctl --config-dir ${cfg.confDir} --logs ${cfg.logsDir} --spool ${cfg.spoolDir} load $i
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done
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fi
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'') cfg.loadDumps}
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fi
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''}
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'';
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postStop =
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''
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ejabberdctl --config-dir ${cfg.confDir} --logs ${cfg.logsDir} --spool ${cfg.spoolDir} stop
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'';
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};
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security.pam.services.ejabberd = {};
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};
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}
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