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|
# Felix server
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.felix;
in
{
###### interface
options = {
services.felix = {
enable = mkEnableOption "the Apache Felix OSGi service";
bundles = mkOption {
type = types.listOf types.package;
default = [ pkgs.felix_remoteshell ];
defaultText = literalExpression "[ pkgs.felix_remoteshell ]";
description = "List of bundles that should be activated on startup";
};
user = mkOption {
type = types.str;
default = "osgi";
description = "User account under which Apache Felix runs.";
};
group = mkOption {
type = types.str;
default = "osgi";
description = "Group account under which Apache Felix runs.";
};
};
};
###### implementation
config = mkIf cfg.enable {
users.groups.osgi.gid = config.ids.gids.osgi;
users.users.osgi =
{ uid = config.ids.uids.osgi;
description = "OSGi user";
home = "/homeless-shelter";
};
systemd.services.felix = {
description = "Felix server";
wantedBy = [ "multi-user.target" ];
preStart = ''
# Initialise felix instance on first startup
if [ ! -d /var/felix ]
then
# Symlink system files
mkdir -p /var/felix
chown ${cfg.user}:${cfg.group} /var/felix
for i in ${pkgs.felix}/*
do
if [ "$i" != "${pkgs.felix}/bundle" ]
then
ln -sfn $i /var/felix/$(basename $i)
fi
done
# Symlink bundles
mkdir -p /var/felix/bundle
chown ${cfg.user}:${cfg.group} /var/felix/bundle
for i in ${pkgs.felix}/bundle/* ${toString cfg.bundles}
do
if [ -f $i ]
then
ln -sfn $i /var/felix/bundle/$(basename $i)
elif [ -d $i ]
then
for j in $i/bundle/*
do
ln -sfn $j /var/felix/bundle/$(basename $j)
done
fi
done
fi
'';
script = ''
cd /var/felix
${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c '${pkgs.jre}/bin/java -jar bin/felix.jar'
'';
};
};
}
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