Rakefile in sidekiq-prometheus-exporter-0.1.13 vs Rakefile in sidekiq-prometheus-exporter-0.1.14

@@ -2,5 +2,78 @@
 require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 
 task default: :spec
+
+# ==============================================================================
+
+require 'English'
+require 'fileutils'
+require_relative 'lib/sidekiq/prometheus/exporter/version'
+
+def execute(command)
+  output = `#{command}`
+
+  unless $CHILD_STATUS.success?
+    warn output
+    exit 1
+  end
+
+  output
+end
+
+namespace :docker do
+  task :release do
+    Rake::Task['docker:build'].invoke
+    Rake::Task['docker:push'].invoke
+  end
+
+  task :build do
+    image = 'strech/sidekiq-prometheus-exporter'
+
+    Dir.chdir(File.expand_path('./docker')) do
+      execute("docker build -t #{image}:#{Sidekiq::Prometheus::Exporter::VERSION} -t #{image}:latest .")
+    end
+
+    puts "Successfully built strech/sidekiq-prometheus-exporter and tagged #{Sidekiq::Prometheus::Exporter::VERSION}, latest"
+  end
+
+  task :push do
+    image = 'strech/sidekiq-prometheus-exporter'
+
+    execute("docker push #{image}:#{Sidekiq::Prometheus::Exporter::VERSION}")
+    execute("docker push #{image}:latest")
+
+    puts "Successfully pushed strech/sidekiq-prometheus-exporter #{Sidekiq::Prometheus::Exporter::VERSION}, latest"
+  end
+end
+
+namespace :helm do
+  desc 'Generate new Helm repo index'
+  task :generate do
+    archive_dir = File.expand_path("./tmp/archive-#{Time.now.to_i}")
+
+    Rake::Task['helm:package'].invoke(archive_dir)
+    Rake::Task['helm:index'].invoke(archive_dir)
+
+    puts "New index generated: #{File.join(archive_dir, 'index.yaml')}"
+  end
+
+  task :package, [:directory] do |_, args|
+    chart_dir = File.expand_path('./helm/sidekiq-prometheus-exporter')
+    archive_dir = args.fetch(:directory) { File.expand_path("./tmp/archive-#{Time.now.to_i}") }
+
+    FileUtils.mkdir_p(archive_dir)
+
+    execute("helm package #{chart_dir} -d #{archive_dir}")
+  end
+
+  task :index, [:directory] do |_, args|
+    Dir.chdir(args.fetch(:directory)) do
+      url = "https://github.com/Strech/sidekiq-prometheus-exporter/releases/download/v#{Sidekiq::Prometheus::Exporter::VERSION}"
+
+      execute('git show gh-pages:index.yaml > existing-index.yaml')
+      execute("helm repo index . --url #{url} --merge existing-index.yaml")
+    end
+  end
+end