mirror of
https://github.com/kiberpipa/nix-rehash.git
synced 2024-11-09 13:44:19 +03:00
Work
This commit is contained in:
Zef Hemel
parent
39ba325315
commit
509835211f
4
configuration.nix
Normal file
4
configuration.nix
Normal file
@ -0,0 +1,4 @@
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{ config, pkgs, ... }:
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{
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services.redis.enable = true;
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}
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@ -9,8 +9,8 @@ let
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});
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in
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nodePackages.buildNodePackage {
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name = "nixdocker";
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src = [ { outPath = ./src; name = "nixdocker"; } ];
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name = "nix-docker";
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src = [ { outPath = ./src; name = "nix-docker"; } ];
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deps = with nodePackages; [optimist];
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passthru.names = [ "nixdocker" ];
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passthru.names = [ "nix-docker" ];
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}
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6
src/base.nix
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6
src/base.nix
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@ -0,0 +1,6 @@
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{ config, pkgs, ... }:
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{
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config = {
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fileSystems."/".device = "/dev/disk/by-label/nixos";
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};
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}
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126
src/bin/nix-docker
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126
src/bin/nix-docker
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@ -0,0 +1,126 @@
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#!/usr/bin/env node
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var argv = require("optimist").argv;
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var fs = require("fs");
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var path = require("path");
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var rootPath = path.resolve(fs.realpathSync(process.argv[1]), "../..");
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var spawn = require('child_process').spawn;
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var execFile = require('child_process').execFile;
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var configFile = argv.c || "configuration.nix";
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var imageName = argv.t ? argv.t : "nix-docker-build";
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var tmpNixStore = "nix_store";
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if(argv.help) {
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console.log("Usage: nix-docker [--dockerfile-only] [--mount-build] [-t imagename] [-c configuration.nix] ");
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console.log(" --docker-file-only: generate Docker file, but do not build it.");
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console.log(" --mount-build: don't add /nix paths to container, but let them be mounted from host at run-time with -v.");
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console.log(" -t: name of the image to build.");
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console.log(" -c: path to configuration file to build.");
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process.exit(0);
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}
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function pipeRun(cmd, args, callback) {
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var command = spawn(cmd, args);
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command.stdout.pipe(process.stdout);
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command.stderr.pipe(process.stderr);
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command.on('close', function(code) {
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callback(code);
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});
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}
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function build(nix, configPath, callback) {
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var nixBuild = spawn('nix-build', [nix, '-I', 'configuration=' + configPath]);
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var nixPath;
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nixBuild.stdout.on('data', function(data) {
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nixPath = data.toString("ascii");
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});
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nixBuild.stderr.pipe(process.stderr);
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nixBuild.on('close', function(code) {
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if (code === 0) {
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callback(null, nixPath.trim());
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} else {
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callback(code);
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}
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});
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}
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function cleanup(callback) {
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if(!fs.existsSync(tmpNixStore)) {
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return callback();
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}
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var stats = fs.lstatSync(tmpNixStore);
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if(stats.isSymbolicLink()) {
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fs.unlinkSync(tmpNixStore);
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callback();
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} else {
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execFile("chmod", ["-R", "777", tmpNixStore], function() {
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execFile("rm", ["-rf", tmpNixStore], callback);
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});
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}
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}
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function buildImage(dockerFilePath, dockerLines, callback) {
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var dockerFile = fs.readFileSync(dockerFilePath + "/Dockerfile").toString("ascii");
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fs.writeFileSync("Dockerfile", dockerFile.replace("<<BODY>>", dockerLines.join("\n")));
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if(!argv["dockerfile-only"]) {
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pipeRun("docker", ["build", "-t", imageName, "."], function(code) {
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cleanup(function() {
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callback(code);
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});
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});
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}
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}
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cleanup(function() {
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build(rootPath + "/dockerfile.nix", configFile, function(err, dockerFilePath) {
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execFile("nix-store", ["-qR", dockerFilePath], {}, function(err, stdout) {
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if (err) {
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return console.error(err);
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}
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var paths = stdout.trim().split("\n");
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var dockerLines = [];
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if(argv["big-commit"]) {
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fs.mkdirSync(tmpNixStore);
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execFile("cp", ["-r", "--no-preserve=ownership"].concat(paths).concat([tmpNixStore]), function(err, stdout, stderr) {
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if(err) {
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console.log(err);
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process.exit(1);
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}
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console.log(stdout, stderr);
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dockerLines.push("ADD " + tmpNixStore + " /nix/store");
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console.log("Docker lines", dockerLines);
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buildImage(dockerFilePath, dockerLines, function(code) {
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console.log("To run: docker run -t -i " + imageName);
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process.exit(code);
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});
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});
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} else if(argv["mount-build"]) {
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buildImage(dockerFilePath, dockerLines, function(code) {
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console.log("To run: docker run -t -i -v /nix/store:/nix/store " + imageName);
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process.exit(code);
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});
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} else {
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fs.symlinkSync("/nix/store", tmpNixStore);
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paths.forEach(function(path) {
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dockerLines.push("ADD " + tmpNixStore + path.substring("/nix/store".length) + " " + path);
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});
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buildImage(dockerFilePath, dockerLines, function(code) {
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console.log("To run: docker run -t -i " + imageName);
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process.exit(code);
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});
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}
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});
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});
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});
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@ -1,69 +0,0 @@
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#!/usr/bin/env node
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var optimist = require("optimist");
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var fs = require("fs");
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var path = require("path");
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var rootPath = path.resolve(fs.realpathSync(process.argv[1]), "../..");
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console.log("Root path", rootPath);
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var spawn = require('child_process').spawn;
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var execFile = require('child_process').execFile;
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function pipeRun(cmd, args, callback) {
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var command = spawn(cmd, args);
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command.stdout.pipe(process.stdout);
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command.stderr.pipe(process.stderr);
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command.on('close', function(code) {
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callback(code);
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});
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}
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function build(nix, configPath, callback) {
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var nixBuild = spawn('nix-build', [nix, '-I', 'configuration=' + configPath]);
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var nixPath;
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nixBuild.stdout.on('data', function(data) {
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nixPath = data.toString("ascii");
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});
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nixBuild.stderr.pipe(process.stderr);
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nixBuild.on('close', function(code) {
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if (code === 0) {
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callback(null, nixPath.trim());
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} else {
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callback(code);
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}
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});
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}
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build(rootPath + "/docker.nix", "configuration.nix", function(err, startPath) {
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build(rootPath + "/dockerfile.nix", "configuration.nix", function(err, dockerFilePath) {
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execFile("nix-store", ["-qR", startPath], {}, function(err, stdout) {
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if (err) {
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return console.error(err);
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}
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var paths = stdout.split("\n");
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var dockerFile = fs.readFileSync(dockerFilePath + "/Dockerfile").toString("ascii");
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var dockerLines = [];
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if(!fs.existsSync("nix_symlink")) {
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fs.symlinkSync("/nix", "nix_symlink");
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}
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paths.forEach(function(path) {
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if (path) {
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dockerLines.push("ADD " + "nix_symlink" + path.substring("/nix".length) + " " + path);
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}
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});
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dockerLines.push("CMD " + startPath + "/bin/start");
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fs.writeFileSync("Dockerfile", dockerFile.replace("<<BODY>>", dockerLines.join("\n")));
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pipeRun("docker", ["build", "-t", "test", "."], function(code) {
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fs.unlinkSync("nix_symlink");
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process.exit(code);
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});
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});
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});
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});
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@ -3,25 +3,7 @@
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}:
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let
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inherit (pkgs.lib) concatMapStrings getAttr attrNames hasAttr;
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stdenv = pkgs.stdenv;
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supervisorConfig = pkgs.writeText "supervisord.conf" ''
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[supervisord]
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logfile=/tmp/supervisord.log
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${concatMapStrings (name:
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let
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cfg = getAttr name configuration.services;
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in
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''
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[program:${name}]
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command=${cfg.command}
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${if hasAttr "cwd" cfg then
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"directory=${cfg.cwd}"
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else ""}
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''
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) (attrNames configuration.services)
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}
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'';
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startScript = pkgs.writeText "start" ''
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${pkgs.pythonPackages.supervisor}/bin/supervisord -c ${supervisorConfig} -n
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'';
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@ -1,17 +1,93 @@
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{ pkgs ? import <nixpkgs> {}
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, configuration ? import <configuration> { inherit pkgs; }
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, configuration ? <configuration>
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}:
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with pkgs.lib;
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let
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inherit (pkgs.lib) hasAttr concatMapStrings;
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dockerFile = pkgs.writeText "Dockerfile" ''
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FROM busybox
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<<BODY>>
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${
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if hasAttr "docker" configuration && hasAttr "ports" configuration.docker then
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concatMapStrings (port: "EXPOSE ${toString port}\n") configuration.docker.ports
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config = import <nixpkgs/nixos/lib/eval-config.nix> {
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modules = [ configuration ./base.nix ];
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};
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services = removeAttrs config.config.systemd.services [
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"acpid"
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"network-setup"
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"prepare-kexec"
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"systemd-sysctl"
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"alsa-store"
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"nix-daemon"
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"rngd"
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"systemd-update-utmp"
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"cpufreq"
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"nix-gc"
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"scsi-link-pm"
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"systemd-vconsole-setup"
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"cron"
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"nscd"
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"synergy-client"
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"update-locatedb"
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"dhcpcd"
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"ntpd"
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"synergy-server"
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"post-resume"
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"systemd-modules-load"
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"klogd"
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"pre-sleep"
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"systemd-random-seed"
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];
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isOneShot = cfg: hasAttr "Type" cfg.serviceConfig && cfg.serviceConfig.Type == "oneshot";
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runServices = filterAttrs (name: cfg: !(isOneShot cfg)) services;
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oneShotServices = filterAttrs (name: cfg: isOneShot cfg) services;
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configToCommand = cfg: if hasAttr "ExecStart" cfg.serviceConfig then
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cfg.serviceConfig.ExecStart
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else if hasAttr "script" cfg then
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pkgs.writeScript "script" ''
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#!/bin/sh
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${cfg.script}
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''
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else
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"";
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supervisorConfig = pkgs.writeText "supervisord.conf" ''
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[supervisord]
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logfile=/tmp/supervisord.log
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${concatMapStrings (name:
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let
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cfg = getAttr name runServices;
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in
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''
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[program:${name}]
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command=${configToCommand cfg}''
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) (attrNames runServices)
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}
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'';
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extraUsers = config.config.users.extraUsers;
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dockerFile = pkgs.writeText "Dockerfile" ''
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FROM ubuntu
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<<BODY>>
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# Create users
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${
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concatMapStrings (name: "RUN /usr/sbin/useradd ${name} || echo\n") (attrNames extraUsers)
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}
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# Run one shot services
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${
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concatMapStrings (name: "RUN ${configToCommand (getAttr name oneShotServices)}\n") (attrNames oneShotServices)
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}
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${
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# if hasAttr "docker" configuration && hasAttr "ports" configuration.docker then
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# concatMapStrings (port: "EXPOSE ${toString port}\n") configuration.docker.ports
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# else
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# ""
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""
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}
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CMD ${pkgs.pythonPackages.supervisor}/bin/supervisord -c ${supervisorConfig} -n
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'';
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in pkgs.stdenv.mkDerivation {
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name = "dockerfile";
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@ -1,5 +1,5 @@
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{
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"name" : "nixdocker",
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"name" : "nix-docker",
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"version" : "0.1.0",
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"dependencies" : {
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"optimist" : "0.6.0"
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12
zedconfig.json
Normal file
12
zedconfig.json
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{
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"modes": {
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"javascript": {
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"filenames": ["nix-docker"]
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},
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"nix": {
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"preferences": {
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"tabSize": 2
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}
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}
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}
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}
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