Remove remaining references to store_mode etc.

src/lib/Hydra/Base/Controller/NixChannel.pm

@@ -53,6 +53,9 @@ sub getChannelData {
 
 sub closure : Chained('nix') PathPart {
     my ($self, $c) = @_;
+
+    requireLocalStore($c);
+
     $c->stash->{current_view} = 'NixClosure';
 
     getChannelData($c, 1);
@@ -68,6 +71,7 @@ sub closure : Chained('nix') PathPart {
 
 sub manifest : Chained('nix') PathPart("MANIFEST") Args(0) {
     my ($self, $c) = @_;
+    requireLocalStore($c);
     $c->stash->{current_view} = 'NixManifest';
     $c->stash->{narBase} = $c->uri_for($c->controller('Root')->action_for("nar"));
     getChannelData($c, 1);
@@ -86,6 +90,8 @@ sub pkg : Chained('nix') PathPart Args(1) {
             || notFound($c, "No such package in this channel.");
     }
 
+    requireLocalStore($c);
+
     gone($c, "Build " . $c->stash->{build}->id . " is no longer available.")
         unless all { isValidPath($_->path) } $c->stash->{build}->buildoutputs->all;
 
@@ -97,6 +103,7 @@ sub pkg : Chained('nix') PathPart Args(1) {
 
 sub nixexprs : Chained('nix') PathPart('nixexprs.tar.bz2') Args(0) {
     my ($self, $c) = @_;
+    requireLocalStore($c);
     $c->stash->{current_view} = 'NixExprs';
     getChannelData($c, 1);
 }
@@ -126,6 +133,7 @@ sub sortPkgs {
 
 sub channel_contents : Chained('nix') PathPart('') Args(0) {
     my ($self, $c) = @_;
+    requireLocalStore($c);
     # Optimistically assume that none of the packages have been
     # garbage-collected.  That should be true for the "latest"
     # channel.

src/lib/Hydra/Controller/Build.pm

@@ -65,9 +65,9 @@ sub build_GET {
 
     $c->stash->{template} = 'build.tt';
     $c->stash->{available} =
-        ($c->config->{store_mode} // "direct") eq "direct"
+        isLocalStore
         ? all { isValidPath($_->path) } $build->buildoutputs->all
-        : 1; # FIXME
+        : 1;
     $c->stash->{drvAvailable} = isValidPath $build->drvpath;
 
     if ($build->finished && $build->iscachedbuild) {
@@ -204,27 +204,6 @@ sub download : Chained('buildChain') PathPart {
     }
     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 = "";
-        if (defined $c->config->{binary_cache_public_key_file}
-            && -r $c->config->{binary_cache_public_key_file})
-        {
-            $args = "--option binary-cache-public-keys " . read_file($c->config->{binary_cache_public_key_file});
-        }
-        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))

src/lib/Hydra/Controller/Root.pm

@@ -258,17 +258,10 @@ sub nar :Local :Args(1) {
 
     die if $path =~ /\//;
 
-    my $storeMode = $c->config->{store_mode} // "direct";
+    if (!isLocalStore) {
-
-    if ($storeMode eq "s3-binary-cache") {
         notFound($c, "There is no binary cache here.");
     }
 
-    elsif ($storeMode eq "local-binary-cache") {
-        my $dir = $c->config->{binary_cache_dir};
-        $c->serve_static_file($dir . "/nar/" . $path);
-    }
-
     else {
         $path = $Nix::Config::storeDir . "/$path";
 
@@ -283,17 +276,10 @@ sub nar :Local :Args(1) {
 sub nix_cache_info :Path('nix-cache-info') :Args(0) {
     my ($self, $c) = @_;
 
-    my $storeMode = $c->config->{store_mode} // "direct";
+    if (!isLocalStore) {
-
-    if ($storeMode eq "s3-binary-cache") {
         notFound($c, "There is no binary cache here.");
     }
 
-    elsif ($storeMode eq "local-binary-cache") {
-        my $dir = $c->config->{binary_cache_dir};
-        $c->serve_static_file($dir . "/nix-cache-info");
-    }
-
     else {
         $c->response->content_type('text/plain');
         $c->stash->{plain}->{data} =
@@ -311,17 +297,10 @@ sub nix_cache_info :Path('nix-cache-info') :Args(0) {
 sub narinfo :LocalRegex('^([a-z0-9]+).narinfo$') :Args(0) {
     my ($self, $c) = @_;
 
-    my $storeMode = $c->config->{store_mode} // "direct";
+    if (!isLocalStore) {
-
-    if ($storeMode eq "s3-binary-cache") {
         notFound($c, "There is no binary cache here.");
     }
 
-    elsif ($storeMode eq "local-binary-cache") {
-        my $dir = $c->config->{binary_cache_dir};
-        $c->serve_static_file($dir . "/" . $c->req->captures->[0] . ".narinfo");
-    }
-
     else {
         my $hash = $c->req->captures->[0];
 

src/lib/Hydra/Helper/CatalystUtils.pm

@@ -347,8 +347,7 @@ sub approxTableSize {
 
 sub requireLocalStore {
     my ($c) = @_;
-    notFound($c, "Nix channels are not supported by this Hydra server.")
+    notFound($c, "Nix channels are not supported by this Hydra server.") if !Hydra::Helper::Nix::isLocalStore();
-        if ($c->config->{store_mode} // "direct") ne "direct";
 }
 
 

src/lib/Hydra/Helper/Nix.pm

@@ -23,7 +23,10 @@ our @EXPORT = qw(
     getEvals getMachines
     pathIsInsidePrefix
     captureStdoutStderr run grab
-    getTotalShares readNixFile
+    getTotalShares
+    getStoreUri
+    readNixFile
+    isLocalStore
     cancelBuilds restartBuilds);
 
 
@@ -491,12 +494,22 @@ sub restartBuilds($$) {
 }
 
 
+sub getStoreUri {
+    my $config = getHydraConfig();
+    return $config->{'store_uri'} // "auto";
+}
+
+
 # Read a file from the (possibly remote) nix store
 sub readNixFile {
     my ($path) = @_;
-    my $config = getHydraConfig();
+    return grab(cmd => ["nix", "cat-store", "--store", getStoreUri(), "$path"]);
-    my $storeUri = $config->{'store_uri'} // "";
+}
-    return grab(cmd => ["nix", "cat-store", "$path"], env => { NIX_REMOTE => "$storeUri" });
+
+
+sub isLocalStore {
+    my $uri = getStoreUri();
+    return $uri =~ "^(local|daemon|auto)";
 }
 
 

src/lib/Hydra/View/NixPkg.pm

@@ -2,6 +2,7 @@ package Hydra::View::NixPkg;
 
 use strict;
 use base qw/Catalyst::View/;
+use Hydra::Helper::CatalystUtils;
 
 sub process {
     my ($self, $c) = @_;
@@ -10,12 +11,9 @@ sub process {
 
     my $build = $c->stash->{build};
 
-    my $storeMode = $c->config->{store_mode} // "direct";
+    requireLocalStore($c);
-    my $channelUri =
+
-        $storeMode eq "direct" ? $c->uri_for('/')
+    my $channelUri = $c->uri_for('/');
-        : $storeMode eq "s3-binary-cache" ?
-          ($c->config->{binary_cache_public_uri} // ("https://" . $c->config->{binary_cache_s3_bucket} . ".s3.amazonaws.com/"))
-        : die "Not supported.\n";
 
     # FIXME: add multiple output support
     my $s = "NIXPKG1 http://invalid.org/"

src/script/hydra-update-gc-roots

@@ -38,7 +38,7 @@ sub keepBuild {
         $build->get_column('project'), ":", $build->get_column('jobset'), ":", $build->get_column('job'), "; ",
         $build->system, "; ",
         strftime("%Y-%m-%d %H:%M:%S", localtime($build->timestamp)), ")\n";
-    if (($config->{store_mode} // "direct") eq "direct" &&
+    if (isLocalStore &&
         $build->finished && ($build->buildstatus == 0 || $build->buildstatus == 6))
     {
         foreach my $path (split / /, $build->get_column('outpaths')) {