Hackery to make downloads work when using a binary cache

This commit is contained in:
Eelco Dolstra 2016-02-26 17:28:26 +01:00
parent b00bdefa98
commit 07e5fc5618

View file

@ -64,7 +64,10 @@ sub build_GET {
my $build = $c->stash->{build};
$c->stash->{template} = 'build.tt';
$c->stash->{available} = all { isValidPath($_->path) } $build->buildoutputs->all;
$c->stash->{available} =
($c->config->{store_mode} // "direct") eq "direct"
? all { isValidPath($_->path) } $build->buildoutputs->all
: 1; # FIXME
$c->stash->{drvAvailable} = isValidPath $build->drvpath;
if ($build->finished && $build->iscachedbuild) {
@ -219,7 +222,31 @@ sub download : Chained('buildChain') PathPart {
}
notFound($c, "Build doesn't have a product $productRef.") if !defined $product;
notFound($c, "Build product " . $product->path . " has disappeared.") unless -e $product->path;
if ($product->path !~ /^($Nix::Config::storeDir\/[^\/]+)/) {
die "Invalid store path " . $product->path . ".\n";
}
my $storePath = $1;
# Hack to get downloads to work on binary cache stores: if the
# store path is not available locally, then import it into the
# local store. FIXME: find a better way; this can require an
# unbounded amount of space.
if (!isValidPath($storePath)) {
my $storeMode = $c->config->{store_mode} // "direct";
notFound($c, "File " . $product->path . " has disappeared.")
if $storeMode eq "direct";
my $url =
$storeMode eq "local-binary-cache" ? "file://" . $c->config->{binary_cache_dir} :
$storeMode eq "s3-binary-cache" ? "https://" . $c->config->{binary_cache_s3_bucket} . ".s3.amazonaws.com/" :
die;
my $args =
defined $c->config->{binary_cache_public_key_file}
? "--option binary-cache-public-keys " . read_file($c->config->{binary_cache_public_key_file}) . "\n"
: "";
system("nix-store --realise '$storePath' --option extra-binary-caches '$url' $args>/dev/null");
}
notFound($c, "File " . $product->path . " does not exist.") unless -e $product->path;
return $c->res->redirect(defaultUriForProduct($self, $c, $product, @path))
if scalar @path == 0 && ($product->name || $product->defaultpath);