135 lines
3 KiB
Nix
135 lines
3 KiB
Nix
{config, pkgs, ...}:
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let
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inherit (pkgs.lib) mkOption mergeListOption types;
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makeJob =
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{name, job, buildHook ? "true", passthru ? null}:
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pkgs.runCommand ("upstart-" + name)
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{ inherit buildHook job; }
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''
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eval "$buildHook"
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ensureDir $out/etc/event.d
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echo "$job" > $out/etc/event.d/${name}
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'';
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jobs =
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[pkgs.upstart] # for the built-in logd job
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++ map makeJob (config.jobs ++ config.services.extraJobs);
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# Create an etc/event.d directory containing symlinks to the
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# specified list of Upstart job files.
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jobsDir = pkgs.runCommand "upstart-jobs" {inherit jobs;}
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''
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ensureDir $out/etc/event.d
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for i in $jobs; do
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if ln -s $i . ; then
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if test -d $i; then
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ln -s $i/etc/event.d/* $out/etc/event.d/
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fi
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else
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echo Duplicate entry: $i;
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fi;
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done
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''; # */
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in
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{
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###### interface
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options = {
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jobs = mkOption {
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default = [];
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description = ''
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This option defines the system jobs started and managed by the
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Upstart daemon.
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'';
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type = types.list types.optionSet;
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options = {
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name = mkOption {
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type = types.string;
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example = "sshd";
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description = ''
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Name of the Upstart job.
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'';
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};
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job = mkOption {
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type = types.string;
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example =
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''
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description "nc"
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start on started network-interfaces
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respawn
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env PATH=/var/run/current-system/sw/bin
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exec sh -c "echo 'hello world' | ${pkgs.netcat}/bin/nc -l -p 9000"
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'';
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description = ''
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Contents of the Upstart job.
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'';
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};
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buildHook = mkOption {
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type = types.string;
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default = "true";
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description = ''
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Command run while building the Upstart job. Can be used
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to perform simple regression tests (e.g., the Apache
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Upstart job uses it to check the syntax of the generated
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<filename>httpd.conf</filename>.
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'';
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};
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};
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};
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services.extraJobs = mkOption {
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default = [];
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description = ''
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Obsolete - don't use.
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'';
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};
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tests.upstartJobs = mkOption {
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internal = true;
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default = {};
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description = ''
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Make it easier to build individual Upstart jobs. (e.g.,
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<command>nix-build /etc/nixos/nixos -A
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tests.upstartJobs.xserver</command>).
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'';
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};
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};
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###### implementation
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config = {
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environment.etc =
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[ { # The Upstart events defined above.
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source = "${jobsDir}/etc/event.d";
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target = "event.d";
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}
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];
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# see test/test-upstart-job.sh (!!! check whether this still works)
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tests.upstartJobs = { recurseForDerivations = true; } //
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builtins.listToAttrs (map (job:
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{ name = if job ? jobName then job.jobName else job.name; value = job; }
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) jobs);
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};
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}
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