NetAmazonS3

      passthru.perlDeps = perlDeps;

  tests.s3backup = genAttrs' (system:
    with import <nixos/lib/testing.nix> { inherit system; };
    let hydra = builtins.getAttr system build; in # build."${system}"
    simpleTest {
      machine =
        { config, pkgs, ... }:
        { services.postgresql.enable = true;
          services.postgresql.package = pkgs.postgresql92;
          environment.systemPackages = [ hydra pkgs.rubyLibs.fakes3 ];
          virtualisation.memorySize = 2047;
          boot.kernelPackages = pkgs.linuxPackages_3_10;
          virtualisation.writableStore = true;
          networking.extraHosts = ''
            127.0.0.1 hydra.s3.amazonaws.com
          '';
        };
      testScript =
        ''
          $machine->waitForJob("postgresql");
          # Initialise the database and the state.
          $machine->mustSucceed
              ( "createdb -O root hydra"
              , "psql hydra -f ${hydra}/libexec/hydra/sql/hydra-postgresql.sql"
              , "mkdir /var/lib/hydra"
              , "mkdir /tmp/jobs"
              , "cp ${./tests/s3-backup-test.pl} /tmp/s3-backup-test.pl"
              , "cp ${./tests/api-test.nix} /tmp/jobs/default.nix"
              );
          # start fakes3
          $machine->mustSucceed("fakes3 --root /tmp/s3 --port 80 &>/dev/null &");
          $machine->waitForOpenPort("80");
          $machine->mustSucceed("cd /tmp && LOGNAME=root AWS_ACCESS_KEY_ID=foo AWS_SECRET_ACCESS_KEY=bar HYDRA_DBI='dbi:Pg:dbname=hydra;user=root;' HYDRA_CONFIG=${./tests/s3-backup-test.config} perl -I ${hydra}/libexec/hydra/lib -I ${hydra.perlDeps}/lib/perl5/site_perl ./s3-backup-test.pl >&2");
        '';
  });

package Hydra::Plugin::S3Backup;
use strict;
use parent 'Hydra::Plugin';
use File::Temp;
use File::Basename;
use Fcntl;
use IO::File;
use Net::Amazon::S3;
use Net::Amazon::S3::Client;
use Digest::SHA;
use Nix::Config;
use Nix::Store;
use Hydra::Model::DB;
use Hydra::Helper::CatalystUtils;
my $client = Net::Amazon::S3::Client->new( s3 => Net::Amazon::S3->new( retry => 1 ) );
my %compressors = (
    xz => "| $Nix::Config::xz",
    bzip2 => "| $Nix::Config::bzip2",
    none => ""
);
my $lockfile = Hydra::Model::DB::getHydraPath . "/.hydra-s3backup.lock";
sub buildFinished {
    my ($self, $build, $dependents) = @_;
    return unless $build->buildstatus == 0 or $build->buildstatus == 6;
    my $jobName = showJobName $build;
    my $job = $build->job;
    my $cfg = $self->{config}->{s3backup};
    my @config = defined $cfg ? ref $cfg eq "ARRAY" ? @$cfg : ($cfg) : ();
    my @matching_configs = ();
    foreach my $bucket_config (@config) {
        push @matching_configs, $bucket_config if $jobName =~ /^$bucket_config->{jobs}$/;
    }
    return unless @matching_configs;
    # !!! Maybe should do per-bucket locking?
    my $lockhandle = IO::File->new;
    open($lockhandle, "+>", $lockfile) or die "Opening $lockfile: $!";
    flock($lockhandle, Fcntl::LOCK_SH) or die "Read-locking $lockfile: $!";
    my @needed_paths = ();
    foreach my $output ($build->buildoutputs) {
        push @needed_paths, $output->path;
    }
    my %narinfos = ();
    my %compression_types = ();
    foreach my $bucket_config (@matching_configs) {
        my $compression_type =
          exists $bucket_config->{compression_type} ? $bucket_config->{compression_type} : "bzip2";
        die "Unsupported compression type $compression_type" unless exists $compressors{$compression_type};
        if (exists $compression_types{$compression_type}) {
            push @{$compression_types{$compression_type}}, $bucket_config;
        } else {
            $compression_types{$compression_type} = [ $bucket_config ];
            $narinfos{$compression_type} = [];
        }
    }
    my $build_id = $build->id;
    my $tempdir = File::Temp->newdir("s3-backup-nars-$build_id" . "XXXXX");
    my %seen = ();
    # Upload nars and build narinfos
    while (@needed_paths) {
        my $path = shift @needed_paths;
        next if exists $seen{$path};
        $seen{$path} = undef;
        my $hash = substr basename($path), 0, 32;
        my ($deriver, $narHash, $time, $narSize, $refs) = queryPathInfo($path, 0);
        my $system;
        if (defined $deriver and isValidPath($deriver)) {
            $system = derivationFromPath($deriver)->{platform};
        }
        foreach my $reference (@{$refs}) {
            push @needed_paths, $reference;
        }
        while (my ($compression_type, $configs) = each %compression_types) {
            my @incomplete_buckets = ();
            # Don't do any work if all the buckets have this path
            foreach my $bucket_config (@{$configs}) {
                my $bucket = $client->bucket( name => $bucket_config->{name} );
                my $prefix = exists $bucket_config->{prefix} ? $bucket_config->{prefix} : "";
                push @incomplete_buckets, $bucket_config
                  unless $bucket->object( key => $prefix . "$hash.narinfo" )->exists;
            }
            next unless @incomplete_buckets;
            my $compressor = $compressors{$compression_type};
            system("$Nix::Config::binDir/nix-store --export $path $compressor > $tempdir/nar") == 0 or die;
            my $digest = Digest::SHA->new(256);
            $digest->addfile("$tempdir/nar");
            my $file_hash = $digest->hexdigest;
            my @stats = stat "$tempdir/nar" or die "Couldn't stat $tempdir/nar";
            my $file_size = $stats[7];
            my $narinfo = "";
            $narinfo .= "StorePath: $path\n";
            $narinfo .= "URL: $hash.nar\n";
            $narinfo .= "Compression: $compression_type\n";
            $narinfo .= "FileHash: sha256:$file_hash\n";
            $narinfo .= "FileSize: $file_size\n";
            $narinfo .= "NarHash: $narHash\n";
            $narinfo .= "NarSize: $narSize\n";
            $narinfo .= "References: " . join(" ", map { basename $_ } @{$refs}) . "\n";
            if (defined $deriver) {
                $narinfo .= "Deriver: " . basename $deriver . "\n";
                if (defined $system) {
                    $narinfo .= "System: $system\n";
                }
            }
            push @{$narinfos{$compression_type}}, { hash => $hash, info => $narinfo };
            foreach my $bucket_config (@incomplete_buckets) {
                my $bucket = $client->bucket( name => $bucket_config->{name} );
                my $prefix = exists $bucket_config->{prefix} ? $bucket_config->{prefix} : "";
                my $nar_object = $bucket->object(
                    key => $prefix . "$hash.nar",
                    content_type => "application/x-nix-archive"
                );
                $nar_object->put_filename("$tempdir/nar");
            }
        }
    }
    # Upload narinfos
    while (my ($compression_type, $infos) = each %narinfos) {
        foreach my $bucket_config (@{$compression_types{$compression_type}}) {
            foreach my $info (@{$infos}) {
                my $bucket = $client->bucket( name => $bucket_config->{name} );
                my $prefix = exists $bucket_config->{prefix} ? $bucket_config->{prefix} : "";
                my $narinfo_object = $bucket->object(
                    key => $prefix . $info->{hash} . ".narinfo",
                    content_type => "text/x-nix-narinfo"
                );
                $narinfo_object->put($info->{info}) unless $narinfo_object->exists;
            }
        }
    }
}
1;

  hydra-s3-backup-collect-garbage		\

#! /var/run/current-system/sw/bin/perl -w
use strict;
use File::Basename;
use Fcntl;
use IO::File;
use Net::Amazon::S3;
use Net::Amazon::S3::Client;
use Nix::Config;
use Nix::Store;
use Hydra::Model::DB;
use Hydra::Helper::Nix;
my $cfg = getHydraConfig()->{s3backup};
my @config = defined $cfg ? ref $cfg eq "ARRAY" ? @$cfg : ($cfg) : ();
exit 0 unless @config;
my $lockfile = Hydra::Model::DB::getHydraPath . "/.hydra-s3backup.lock";
my $lockhandle = IO::File->new;
open($lockhandle, ">", $lockfile) or die "Opening $lockfile: $!";
flock($lockhandle, Fcntl::LOCK_EX) or die "Write-locking $lockfile: $!";
my $client = Net::Amazon::S3::Client->new( s3 => Net::Amazon::S3->new( retry => 1 ) );
my $db = Hydra::Model::DB->new();
my $gcRootsDir = getGCRootsDir;
opendir DIR, $gcRootsDir or die;
my @roots = readdir DIR;
closedir DIR;
my @actual_roots = ();
foreach my $link (@roots) {
    next if $link eq "." || $link eq "..";
    push @actual_roots, $Nix::Config::storeDir . "/$link";
}
# Don't delete a nix-cache-info file, if present
my %closure = ( "nix-cache-info" => undef );
foreach my $path (computeFSClosure(0, 0, @actual_roots)) {
    my $hash = substr basename($path), 0, 32;
    $closure{"$hash.narinfo"} = undef;
    $closure{"$hash.nar"} = undef;
}
foreach my $bucket_config (@config) {
    my $bucket = $client->bucket( name => $bucket_config->{name} );
    my $prefix = exists $bucket_config->{prefix} ? $bucket_config->{prefix} : "";
    my $cache_stream = $bucket->list({ prefix => $prefix });
    until ($cache_stream->is_done) {
        foreach my $object ($cache_stream->items) {
            $object->delete unless exists $closure{basename($object->key)};
        }
    }
}
1;

    my ($res, $stdout, $stderr) = captureStdoutStderr(60, ("../src/script/hydra-evaluator", $jobset->project->name, $jobset->name));

    my ($res, $stdout, $stderr) = captureStdoutStderr(60, ("hydra-evaluator", $jobset->project->name, $jobset->name));

    my ($res, $stdout, $stderr) = captureStdoutStderr(60, ("../src/script/hydra-build", $build->id));

    my ($res, $stdout, $stderr) = captureStdoutStderr(60, ("hydra-build", $build->id));

  thisFile = builtins.toFile "default.nix" (builtins.readFile ./default.nix);

    echo -n ${builtins.readFile ./default.nix} > $out

    echo ${thisFile} > $out

<s3backup>
	jobs = tests:basic:job
	name = hydra
</s3backup>

use strict;
use File::Basename;
use Hydra::Model::DB;
use Hydra::Helper::Nix;
use Nix::Store;
use Cwd;
my $db = Hydra::Model::DB->new;
use Test::Simple tests => 6;
$db->resultset('Users')->create({ username => "root", emailaddress => 'root@invalid.org', password => '' });
$db->resultset('Projects')->create({name => "tests", displayname => "", owner => "root"});
my $project = $db->resultset('Projects')->update_or_create({name => "tests", displayname => "", owner => "root"});
my $jobset = $project->jobsets->create({name => "basic", nixexprinput => "jobs", nixexprpath => "default.nix", emailoverride => ""});
my $jobsetinput;
$jobsetinput = $jobset->jobsetinputs->create({name => "jobs", type => "path"});
$jobsetinput->jobsetinputalts->create({altnr => 0, value => getcwd . "/jobs"});
system("hydra-evaluator " . $jobset->project->name . " " . $jobset->name);
my $successful_hash;
foreach my $build ($jobset->builds->search({finished => 0})) {
    system("hydra-build " . $build->id);
    my @outputs = $build->buildoutputs->all;
    my $hash = substr basename($outputs[0]->path), 0, 32;
    if ($build->job->name eq "job") {
        ok(-e "/tmp/s3/hydra/$hash.nar", "The nar of a successful matched build is uploaded");
        ok(-e "/tmp/s3/hydra/$hash.narinfo", "The narinfo of a successful matched build is uploaded");
        $successful_hash = $hash;
    }
}
system("hydra-s3-backup-collect-garbage");
ok(-e "/tmp/s3/hydra/$successful_hash.nar", "The nar of a build that's a root is not removed by gc");
ok(-e "/tmp/s3/hydra/$successful_hash.narinfo", "The narinfo of a build that's a root is not removed by gc");
my $gcRootsDir = getGCRootsDir;
opendir DIR, $gcRootsDir or die;
while(readdir DIR) {
    next if $_ eq "." or $_ eq "..";
    unlink "$gcRootsDir/$_";
}
closedir DIR;
system("hydra-s3-backup-collect-garbage");
ok(not -e "/tmp/s3/hydra/$successful_hash.nar", "The nar of a build that's not a root is removed by gc");
ok(not -e "/tmp/s3/hydra/$successful_hash.narinfo", "The narinfo of a build that's not a root is removed by gc");