prepare for autorelease (#197)

.kokoro/build.sh

@@ -28,9 +28,16 @@ function set_failed_status {
     EXIT_STATUS=1
 }
 
-for version in "${RUBY_VERSIONS[@]}"; do
-    rbenv global "$version"
-    (bundle update && bundle exec rake) || set_failed_status
-done
+if [ "$JOB_TYPE" = "release" ]; then
+    git fetch --depth=10000
+    python3 -m pip install git+https://github.com/googleapis/releasetool
+    python3 -m releasetool publish-reporter-script > /tmp/publisher-script; source /tmp/publisher-script
+    (bundle update && bundle exec rake kokoro:release) || set_failed_status
+else
+    for version in "${RUBY_VERSIONS[@]}"; do
+        rbenv global "$version"
+        (bundle update && bundle exec rake) || set_failed_status
+    done
+fi
 
 exit $EXIT_STATUS

.kokoro/release.cfg

@@ -0,0 +1,48 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Build logs will be here
+action {
+  define_artifacts {
+    regex: "**/*sponge_log.xml"
+  }
+}
+
+# Fetch the token needed for reporting release status to GitHub
+before_action {
+  fetch_keystore {
+    keystore_resource {
+      keystore_config_id: 73713
+      keyname: "yoshi-automation-github-key"
+    }
+  }
+}
+
+# Download resources for system tests (service account key, etc.)
+gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/google-cloud-ruby"
+
+# Download trampoline resources.
+gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
+
+# Use the trampoline script to run in docker.
+build_file: "google-auth-library-ruby/.kokoro/trampoline.sh"
+
+# Configure the docker image for kokoro-trampoline.
+env_vars: {
+    key: "TRAMPOLINE_IMAGE"
+    value: "gcr.io/cloud-devrel-kokoro-resources/google-cloud-ruby/ruby-release"
+}
+
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/google-auth-library-ruby/.kokoro/build.sh"
+}
+
+env_vars: {
+    key: "JOB_TYPE"
+    value: "release"
+}
+
+env_vars: {
+    key: "OS"
+    value: "linux"
+}

.rubocop.yml

@@ -1,6 +1,7 @@
 AllCops:
   Exclude:
     - "spec/**/*"
+    - "Rakefile"
 
 Metrics/AbcSize:
   Max: 25

Rakefile

@@ -13,3 +13,70 @@ desc 'Does rubocop lint and runs the specs'
 task all: [:rubocop, :spec]
 
 task default: :all
+
+task :release, :tag do |t, args|
+  tag = args[:tag]
+  raise "You must provide a tag to release." if tag.nil?
+
+  # Verify the tag format "PACKAGE/vVERSION"
+  m = tag.match(/v(?<version>\S*)/)
+  raise "Tag #{tag} does not match the expected format." if m.nil?
+
+  version = m[:version]
+  raise "You must provide a version." if version.nil?
+
+  api_token = ENV["RUBYGEMS_API_TOKEN"]
+
+  require "gems"
+  ::Gems.configure do |config|
+    config.key = api_token
+  end if api_token
+
+  Bundler.with_clean_env do
+    sh "rm -rf pkg"
+    sh "bundle update"
+    sh "bundle exec rake build"
+  end
+
+  path_to_be_pushed = "pkg/#{version}.gem"
+  if File.file? path_to_be_pushed
+    begin
+      ::Gems.push(File.new path_to_be_pushed)
+      puts "Successfully built and pushed googleauth for version #{version}"
+    rescue => e
+      puts "Error while releasing googleauth version #{version}: #{e.message}"
+    end
+  else
+    raise "Cannot build googleauth for version #{version}"
+  end
+end
+
+namespace :kokoro do
+  task :load_env_vars do
+    service_account = "#{ENV["KOKORO_GFILE_DIR"]}/service-account.json"
+    ENV["GOOGLE_APPLICATION_CREDENTIALS"] = service_account
+    filename = "#{ENV["KOKORO_GFILE_DIR"]}/env_vars.json"
+    env_vars = JSON.parse(File.read(filename))
+    env_vars.each { |k, v| ENV[k] = v }
+  end
+
+  task :release do
+    version = "0.1.0"
+    Bundler.with_clean_env do
+      version = `bundle exec gem list`
+        .split("\n").select { |line| line.include? "googleauth" }
+        .first.split("(").last.split(")").first || "0.1.0"
+    end
+    Rake::Task["kokoro:load_env_vars"].invoke
+    Rake::Task["release"].invoke "v/#{version}"
+  end
+end
+
+def header str, token = "#"
+  line_length = str.length + 8
+  puts ""
+  puts token * line_length
+  puts "#{token * 3} #{str} #{token * 3}"
+  puts token * line_length
+  puts ""
+end

googleauth.gemspec

@@ -4,32 +4,32 @@
 $LOAD_PATH.push File.expand_path('../lib', __FILE__)
 require 'googleauth/version'
 
-Gem::Specification.new do |s|
-  s.name          = 'googleauth'
-  s.version       = Google::Auth::VERSION
-  s.authors       = ['Tim Emiola']
-  s.email         = 'temiola@google.com'
-  s.homepage      = 'https://github.com/google/google-auth-library-ruby'
-  s.summary       = 'Google Auth Library for Ruby'
-  s.license       = 'Apache-2.0'
-  s.description   = <<-DESCRIPTION
+Gem::Specification.new do |gem|
+  gem.name          = 'googleauth'
+  gem.version       = Google::Auth::VERSION
+  gem.authors       = ['Tim Emiola']
+  gem.email         = 'temiola@google.com'
+  gem.homepage      = 'https://github.com/google/google-auth-library-ruby'
+  gem.summary       = 'Google Auth Library for Ruby'
+  gem.license       = 'Apache-2.0'
+  gem.description   = <<-DESCRIPTION
    Allows simple authorization for accessing Google APIs.
    Provide support for Application Default Credentials, as described at
    https://developers.google.com/accounts/docs/application-default-credentials
   DESCRIPTION
 
-  s.files         = `git ls-files`.split("\n")
-  s.test_files    = `git ls-files -- spec/*`.split("\n")
-  s.executables   = `git ls-files -- bin/*.rb`.split("\n").map do |f|
+  gem.files         = `git ls-files`.split("\n")
+  gem.test_files    = `git ls-files -- spec/*`.split("\n")
+  gem.executables   = `git ls-files -- bin/*.rb`.split("\n").map do |f|
     File.basename(f)
   end
-  s.require_paths = ['lib']
-  s.platform      = Gem::Platform::RUBY
+  gem.require_paths = ['lib']
+  gem.platform      = Gem::Platform::RUBY
 
-  s.add_dependency 'faraday', '~> 0.12'
-  s.add_dependency 'jwt', '>= 1.4', '< 3.0'
-  s.add_dependency 'memoist', '~> 0.16'
-  s.add_dependency 'multi_json', '~> 1.11'
-  s.add_dependency 'os', '>= 0.9', '< 2.0'
-  s.add_dependency 'signet', '~> 0.7'
+  gem.add_dependency 'faraday', '~> 0.12'
+  gem.add_dependency 'jwt', '>= 1.4', '< 3.0'
+  gem.add_dependency 'memoist', '~> 0.16'
+  gem.add_dependency 'multi_json', '~> 1.11'
+  gem.add_dependency 'os', '>= 0.9', '< 2.0'
+  gem.add_dependency 'signet', '~> 0.7'
 end