forked from the-distro/channel-scripts
102 lines
2.8 KiB
Perl
102 lines
2.8 KiB
Perl
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#! /usr/bin/env nix-shell
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#! nix-shell -i perl -p perl perlPackages.NetAmazonS3 perlPackages.ForksSuper perlPackages.DBDSQLite
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use strict;
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use Forks::Super 'bg_eval';
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use List::MoreUtils qw(part);
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use MIME::Base64;
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use Net::Amazon::S3;
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use Nix::Manifest;
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use Nix::Store;
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use Nix::Utils;
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my $bucketName = "nix-cache";
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my $nrProcesses = 16;
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my $secretKeyFile = "/home/eelco/Misc/Keys/cache.nixos.org-1/secret";
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my $s = readFile $secretKeyFile;
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chomp $s;
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my ($keyName, $secretKey) = split ":", $s;
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die "invalid secret key file ‘$secretKeyFile’\n" unless defined $keyName && defined $secretKey;
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my @files;
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while (<>) {
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chomp;
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push @files, $_;
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}
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# S3 setup.
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my $aws_access_key_id = $ENV{'AWS_ACCESS_KEY_ID'} or die;
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my $aws_secret_access_key = $ENV{'AWS_SECRET_ACCESS_KEY'} or die;
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my $s3 = Net::Amazon::S3->new(
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{ aws_access_key_id => $aws_access_key_id,
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aws_secret_access_key => $aws_secret_access_key,
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retry => 1,
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});
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my $bucket = $s3->bucket($bucketName) or die;
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# Process .narinfos.
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sub signNarInfo {
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my ($fn) = @_;
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die unless $fn =~ /\.narinfo$/;
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my $get = $bucket->get_key($fn, "GET");
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die "failed to get $fn\n" unless defined $get;
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my $contents = $get->{value};
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$contents =~ /^StorePath: (\S+)$/m;
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die "corrupt NAR info $fn" unless defined $1;
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my $storePath = $1;
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if ($contents =~ /^Sig:/m) {
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print STDERR "skipping already signed $fn\n";
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return;
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}
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print STDERR "signing $fn...\n";
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my $narInfo = parseNARInfo($storePath, $contents);
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die "failed to parse NAR info of $fn\n" unless $narInfo;
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# Legacy: convert base16 to base32.
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my $narHash = $narInfo->{narHash};
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if (length $narHash != 59) {
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$narHash = `nix-hash --type sha256 --to-base32 ${\(substr($narHash, 7))}`;
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chomp $narHash;
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$narHash = "sha256:$narHash";
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}
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#print STDERR "$storePath -> $narInfo->{narHash} $narHash $narInfo->{narSize}\n";
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my $refs = [ map { "$Nix::Config::storeDir/$_" } @{$narInfo->{refs}} ];
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my $fingerprint = fingerprintPath($storePath, $narHash, $narInfo->{narSize}, $refs);
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#print STDERR "FP = $fingerprint\n";
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my $sig = encode_base64(signString(decode_base64($secretKey), $fingerprint), "");
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$contents .= "Sig: $keyName:$sig\n";
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$bucket->add_key($fn, $contents) or die "failed to upload $fn\n";
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}
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# Fork processes to sign files in parallel.
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my $i = 0;
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my @filesPerProcess = part { $i++ % $nrProcesses } @files;
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my @res;
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for (my $n = 0; $n < $nrProcesses; $n++) {
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push @res, bg_eval {
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foreach my $fn (@{$filesPerProcess[$n]}) {
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eval {
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signNarInfo($fn);
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};
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warn "$@" if $@;
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}
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return 0;
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};
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}
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foreach my $res (@res) { if ($res) { } }
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print STDERR "DONE\n";
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