Init pghero

pkgs/development/ruby-modules/gem-config/default.nix

@@ -416,6 +416,22 @@ in
     ];
   };
 
+  pg_query = attrs:
+    let
+      libpg_query = fetchurl {
+        url = "https://codeload.github.com/lfittl/libpg_query/tar.gz/10-1.0.1";
+        sha256 = "0m5jv134hgw2vcfkqlnw80fr3wmrdvgrvk1ndcx9s44bzi5nsp47";
+      };
+    in {
+
+      dontBuild = false;
+      postPatch = ''
+        substituteInPlace ext/pg_query/extconf.rb \
+          --replace "'https://codeload.github.com/lfittl/libpg_query/tar.gz/' + LIB_PG_QUERY_TAG" \
+                    "'${libpg_query}'"
+      '';
+    };
+
   puma = attrs: {
     buildInputs = [ openssl ];
   };

pkgs/development/tools/database/pghero/Gemfile

@@ -0,0 +1,10 @@
+source "https://rubygems.org"
+
+gem "rails", "~> 5.2.0"
+gem "pg", "< 1" # < 1 for Debian 7 and CentOS 6 builds
+gem "pghero" #, git: "https://github.com/ankane/pghero.git"
+gem "pg_query"
+gem "aws-sdk-cloudwatch"
+gem "puma"
+gem "activerecord-nulldb-adapter", require: false
+gem "tzinfo-data"

pkgs/development/tools/database/pghero/Gemfile.lock

@@ -0,0 +1,149 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (5.2.3)
+      actionpack (= 5.2.3)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailer (5.2.3)
+      actionpack (= 5.2.3)
+      actionview (= 5.2.3)
+      activejob (= 5.2.3)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 2.0)
+    actionpack (5.2.3)
+      actionview (= 5.2.3)
+      activesupport (= 5.2.3)
+      rack (~> 2.0)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (5.2.3)
+      activesupport (= 5.2.3)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (5.2.3)
+      activesupport (= 5.2.3)
+      globalid (>= 0.3.6)
+    activemodel (5.2.3)
+      activesupport (= 5.2.3)
+    activerecord (5.2.3)
+      activemodel (= 5.2.3)
+      activesupport (= 5.2.3)
+      arel (>= 9.0)
+    activerecord-nulldb-adapter (0.4.0)
+      activerecord (>= 2.0.0)
+    activestorage (5.2.3)
+      actionpack (= 5.2.3)
+      activerecord (= 5.2.3)
+      marcel (~> 0.3.1)
+    activesupport (5.2.3)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+    arel (9.0.0)
+    aws-eventstream (1.0.3)
+    aws-partitions (1.235.0)
+    aws-sdk-cloudwatch (1.30.0)
+      aws-sdk-core (~> 3, >= 3.71.0)
+      aws-sigv4 (~> 1.1)
+    aws-sdk-core (3.75.0)
+      aws-eventstream (~> 1.0, >= 1.0.2)
+      aws-partitions (~> 1, >= 1.228.0)
+      aws-sigv4 (~> 1.1)
+      jmespath (~> 1.0)
+    aws-sigv4 (1.1.0)
+      aws-eventstream (~> 1.0, >= 1.0.2)
+    builder (3.2.3)
+    concurrent-ruby (1.1.5)
+    crass (1.0.5)
+    erubi (1.9.0)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
+    i18n (1.7.0)
+      concurrent-ruby (~> 1.0)
+    jmespath (1.4.0)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    marcel (0.3.3)
+      mimemagic (~> 0.3.2)
+    method_source (0.9.2)
+    mimemagic (0.3.3)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
+    minitest (5.13.0)
+    nio4r (2.5.2)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
+    pg (0.21.0)
+    pg_query (1.1.0)
+    pghero (2.3.0)
+      activerecord (>= 5)
+    puma (4.2.1)
+      nio4r (~> 2.0)
+    rack (2.0.7)
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (5.2.3)
+      actioncable (= 5.2.3)
+      actionmailer (= 5.2.3)
+      actionpack (= 5.2.3)
+      actionview (= 5.2.3)
+      activejob (= 5.2.3)
+      activemodel (= 5.2.3)
+      activerecord (= 5.2.3)
+      activestorage (= 5.2.3)
+      activesupport (= 5.2.3)
+      bundler (>= 1.3.0)
+      railties (= 5.2.3)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (5.2.3)
+      actionpack (= 5.2.3)
+      activesupport (= 5.2.3)
+      method_source
+      rake (>= 0.8.7)
+      thor (>= 0.19.0, < 2.0)
+    rake (13.0.0)
+    sprockets (3.7.2)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.2.1)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
+    thor (0.20.3)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
+    tzinfo-data (1.2019.3)
+      tzinfo (>= 1.0.0)
+    websocket-driver (0.7.1)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.4)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  activerecord-nulldb-adapter
+  aws-sdk-cloudwatch
+  pg (< 1)
+  pg_query
+  pghero
+  puma
+  rails (~> 5.2.0)
+  tzinfo-data
+
+BUNDLED WITH
+   1.17.3

pkgs/development/tools/database/pghero/default.nix

@@ -0,0 +1,48 @@
+{ stdenv, fetchFromGitHub, bundlerEnv, writeShellScriptBin }:
+let
+  env = bundlerEnv {
+    name = "pghero";
+    gemdir = ./.;
+  };
+
+ pghero = stdenv.mkDerivation rec {
+  pname = "pghero";
+  version = (import ./gemset.nix).pghero.version;
+  src = fetchFromGitHub {
+    owner = "pghero";
+    repo = "pghero";
+    rev = "v2.3.0";
+    sha256 = "0fh6ssxp3gh50sqd0sl264p62jg1swdgkm7wi5dfsqc8rh8zcpbz";
+  };
+
+  buildInputs = [ env ];
+
+  RAILS_ENV = "production";
+  DATABASE_URL = "postgresql://user:pass@127.0.0.1/dbname";
+  SECRET_TOKEN = "dummytoken";
+
+  buildPhase = ''
+    mkdir -p $out/lib $out/bin
+    cp -r $src $out/lib/pghero/
+    chmod u+rw -R $out
+    cd $out/lib/pghero
+    rake assets:precompile
+    rm -rf tmp
+  '';
+
+  installPhase = ''
+    echo "#!${stdenv.shell}" > $out/bin/pghero
+    echo "cd $out/lib/pghero" >> $out/bin/pghero
+    echo "${env}/bin/puma -C config/puma.rb" >> $out/bin/pghero
+    chmod +x $out/bin/pghero
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Performance dashboard for PostgreSQL";
+    homepage = "https://pghero.org/";
+    license = licenses.mit;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ manveru ];
+  };
+};
+in pghero