nixpkgs/modules/system/upstart/upstart.nix
Eelco Dolstra c6c9304b95 * system/options.nix: gone :-)
svn path=/nixos/branches/modular-nixos/; revision=15772
2009-05-28 16:03:48 +00:00

121 lines
2.8 KiB
Nix

{config, pkgs, ...}:
###### interface
let
inherit (pkgs.lib) mkOption mapAttrs fold
mergeListOption mergeTypedOption mergeAttrsWithFunc;
options = {
services = {
extraJobs = mkOption {
default = [];
example = [
{ name = "test-job";
job = ''
description "nc"
start on started network-interfaces
respawn
env PATH=/var/run/current-system/sw/bin
exec sh -c "echo 'hello world' | ${pkgs.netcat}/bin/nc -l -p 9000"
'';
} ];
# should have some checks to verify the syntax
merge = pkgs.lib.mergeListOption;
description = "
Additional Upstart jobs.
";
};
tools = {
upstartJobs = mkOption {
default = {};
description = "
List of functions which can be used to create upstart-jobs.
";
};
};
};
tests = {
upstartJobs = mkOption {
internal = true;
default = {};
description = "
Make it easier to build individual Upstart jobs. (e.g.,
<command>nix-build /etc/nixos/nixos -A
tests.upstartJobs.xserver</command>).
";
};
};
};
in
###### implementation
let
makeJob = import ./make-job.nix {
inherit (pkgs) runCommand;
};
optional = cond: service: pkgs.lib.optional cond (makeJob service);
jobs = map makeJob config.services.extraJobs;
# Create an etc/event.d directory containing symlinks to the
# specified list of Upstart job files.
command = pkgs.runCommand "upstart-jobs" {inherit jobs;}
''
ensureDir $out/etc/event.d
for i in $jobs; do
if ln -s $i . ; then
if test -d $i; then
ln -s $i/etc/event.d/* $out/etc/event.d/
fi
else
echo Duplicate entry: $i;
fi;
done
''; # */
in
{
require = [
options
./tools.nix # !!! doesn't seem to be used anywhere
];
environment = {
etc = [{ # The Upstart events defined above.
source = command + "/etc/event.d";
target = "event.d";
}]
++ pkgs.lib.concatLists (map (job: job.extraEtc) jobs);
extraPackages =
pkgs.lib.concatLists (map (job: job.extraPath) jobs);
};
users = {
extraUsers =
pkgs.lib.concatLists (map (job: job.users) jobs);
extraGroups =
pkgs.lib.concatLists (map (job: job.groups) jobs);
};
services = {
extraJobs = [
# For the built-in logd job.
{ jobDrv = pkgs.upstart; }
];
};
tests = {
# see test/test-upstart-job.sh
upstartJobs = { recurseForDerivations = true; } //
builtins.listToAttrs (map (job:
{ name = if job ? jobName then job.jobName else job.name; value = job; }
) jobs);
};
}