93 lines
2.1 KiB
Nix
93 lines
2.1 KiB
Nix
{
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stdenvNoCC
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, s6-rc
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, s6
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, lib
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, callPackage
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, writeScript
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, serviceFns
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}:
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let
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inherit (builtins) concatStringsSep;
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output = service: name: "/run/service-state/${service.name}/${name}";
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serviceScript = commands : ''
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#!/bin/sh
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exec 2>&1
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. ${serviceFns}
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${commands}
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'';
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service = {
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name
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, serviceType
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, run ? null
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, up ? null
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, down ? null
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, outputs ? []
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, notification-fd ? null
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, producer-for ? null
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, consumer-for ? null
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, pipeline-name ? null
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, dependencies ? []
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, contents ? []
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, buildInputs ? []
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} @ args:
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stdenvNoCC.mkDerivation {
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# we use stdenvNoCC to avoid generating derivations with names
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# like foo.service-mips-linux-musl
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inherit name serviceType up down run notification-fd
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producer-for consumer-for pipeline-name;
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buildInputs = buildInputs ++ dependencies ++ contents;
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dependencies = builtins.map (d: d.name) dependencies;
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contents = builtins.map (d: d.name) contents;
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builder = ./builder.sh;
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};
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longrun = {
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name
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, run
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, outputs ? []
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, notification-fd ? null
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, dependencies ? []
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, ...
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} @ args:
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let logger = service {
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serviceType = "longrun";
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name = "${name}-log";
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run = serviceScript "${s6}/bin/s6-log -d 10 -- p${name} 1";
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notification-fd = 10;
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consumer-for = name;
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pipeline-name = "${name}-pipeline";
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};
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in service (args // {
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buildInputs = [ logger ];
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serviceType = "longrun";
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run = serviceScript run;
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producer-for = "${name}-log";
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});
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oneshot = {
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name
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, up
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, down
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, outputs ? []
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, dependencies ? []
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, ...
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} @ args : service (args // {
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serviceType = "oneshot";
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up = writeScript "${name}-up" (serviceScript up);
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down= writeScript "${name}-down" (serviceScript down);
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});
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bundle = {
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name
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, contents ? []
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, dependencies ? []
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, ...
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} @ args: service (args // {
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serviceType = "bundle";
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inherit contents dependencies;
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});
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target = bundle;
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in {
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inherit target bundle oneshot longrun output;
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}
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