grafana: 6.7.3 -> 7.0.0

This version removes PhantomJS support.

Upstream also stopped vendoring dependencies, so I switched to buildGoModule.

nixos/doc/manual/release-notes/rl-2009.xml

@@ -452,6 +452,14 @@ systemd.services.nginx.serviceConfig.ReadWritePaths = [ "/var/www" ];
      In such cases, you most likely want to create a <literal>10-*.link</literal> file through <xref linkend="opt-systemd.network.links"/> and set both name and MAC Address / MTU there.
     </para>
    </listitem>
+   <listitem>
+    <para>
+     Grafana received a major update to version 7.x. A plugin is now needed for
+     image rendering support, and plugins must now be signed by default. More
+     information can be found
+     <link xlink:href="https://grafana.com/docs/grafana/latest/installation/upgrading/#upgrading-to-v7-0">in the Grafana documentation</link>.
+    </para>
+   </listitem>
   </itemizedlist>
  </section>
 </section>

pkgs/servers/monitoring/grafana/default.nix

@@ -1,10 +1,8 @@
-{ lib, buildGoPackage, fetchurl, fetchFromGitHub, phantomJsSupport ? false, phantomjs2 ? null }:
+{ lib, buildGoModule, fetchurl, fetchFromGitHub }:
 
-buildGoPackage rec {
+buildGoModule rec {
   pname = "grafana";
-  version = "6.7.3";
-
-  goPackagePath = "github.com/grafana/grafana";
+  version = "7.0.0";
 
   excludedPackages = [ "release_publisher" ];
 
@@ -12,27 +10,25 @@ buildGoPackage rec {
     rev = "v${version}";
     owner = "grafana";
     repo = "grafana";
-    sha256 = "14yrfrn59r3mxbkhs7mg7nlhnvvrmq959r8w4aj6m7wgr32jj8wl";
+    sha256 = "1xicqsn8qg2wwp7p3p3643vqvpp6fbzpx1x7w0mgv9l2va9px8mq";
   };
 
   srcStatic = fetchurl {
     url = "https://dl.grafana.com/oss/release/grafana-${version}.linux-amd64.tar.gz";
-    sha256 = "17h70h6cz1bdhczjqa68kxzfm4vi95zdnqzah8hcjr7rwnx874kr";
+    sha256 = "1x6b61rsflj9dbj0r9wj1wgp4lqwa1q21s3x7ws50scqhq1m3xmk";
   };
 
+  vendorSha256 = "00xvpxhnvxdf030978paywl794mlmgqzd94b64hh67946acnbjcl";
+
   postPatch = ''
     substituteInPlace pkg/cmd/grafana-server/main.go \
       --replace 'var version = "5.0.0"'  'var version = "${version}"'
   '';
 
-  preBuild = "export GOPATH=$GOPATH:$NIX_BUILD_TOP/go/src/${goPackagePath}/Godeps/_workspace";
-
   postInstall = ''
     tar -xvf $srcStatic
     mkdir -p $out/share/grafana
     mv grafana-*/{public,conf,tools} $out/share/grafana/
-  '' + lib.optionalString phantomJsSupport ''
-    ln -sf ${phantomjs2}/bin/phantomjs $out/share/grafana/tools/phantomjs/phantomjs
   '';
 
   meta = with lib; {