Fix gitaly-ruby bundle poisoning in CI

1 files changed, 97 insertions, 0 deletions

diff --git a/scripts/gitaly_test.rb b/scripts/gitaly_test.rb
new file mode 100644
index 00000000000..dee4c2eba7e
--- /dev/null
+++ b/scripts/gitaly_test.rb
@@ -0,0 +1,97 @@
+# This file contains environment settings for gitaly when it's running
+# as part of the gitlab-ce/ee test suite.
+#
+# Please be careful when modifying this file. Your changes must work
+# both for local development rspec runs, and in CI.
+
+require 'socket'
+
+module GitalyTest
+  def tmp_tests_gitaly_dir
+    File.expand_path('../tmp/tests/gitaly', __dir__)
+  end
+
+  def gemfile
+    File.join(tmp_tests_gitaly_dir, 'ruby', 'Gemfile')
+  end
+
+  def env
+    env_hash = {
+      'HOME' => File.expand_path('tmp/tests'),
+      'GEM_PATH' => Gem.path.join(':'),
+      'BUNDLE_APP_CONFIG' => File.join(File.dirname(gemfile), '.bundle/config'),
+      'BUNDLE_FLAGS' => "--jobs=4 --retry=3",
+      'BUNDLE_INSTALL_FLAGS' => nil,
+      'BUNDLE_GEMFILE' => gemfile,
+      'RUBYOPT' => nil
+    }
+
+    if ENV['CI']
+      bundle_path = File.expand_path('../vendor/gitaly-ruby', __dir__)
+      env_hash['BUNDLE_FLAGS'] << " --path=#{bundle_path}"
+    end
+
+    env_hash
+  end
+
+  def config_path
+    File.join(tmp_tests_gitaly_dir, 'config.toml')
+  end
+
+  def start_gitaly
+    args = %W[#{tmp_tests_gitaly_dir}/gitaly #{config_path}]
+    pid = spawn(env, *args, [:out, :err] => 'log/gitaly-test.log')
+
+    begin
+      try_connect!
+    rescue
+      Process.kill('TERM', pid)
+      raise
+    end
+
+    pid
+  end
+
+  def check_gitaly_config!
+    puts 'Checking gitaly-ruby bundle...'
+    abort 'bundle check failed' unless system(env, 'bundle', 'check', chdir: File.dirname(gemfile))
+  end
+
+  def read_socket_path
+    # This code needs to work in an environment where we cannot use bundler,
+    # so we cannot easily use the toml-rb gem. This ad-hoc parser should be
+    # good enough.
+    config_text = IO.read(config_path)
+
+    config_text.lines.each do |line|
+      match_data = line.match(/^\s*socket_path\s*=\s*"([^"]*)"$/)
+
+      return match_data[1] if match_data
+    end
+
+    raise "failed to find socket_path in #{config_path}"
+  end
+
+  def try_connect!
+    print "Trying to connect to gitaly: "
+    timeout = 20
+    delay = 0.1
+    socket = read_socket_path
+
+    Integer(timeout / delay).times do
+      begin
+        UNIXSocket.new(socket)
+        puts ' OK'
+
+        return
+      rescue Errno::ENOENT, Errno::ECONNREFUSED
+        print '.'
+        sleep delay
+      end
+    end
+
+    puts ' FAILED'
+
+    raise "could not connect to #{socket}"
+  end
+end