1 files changed, 37 insertions, 0 deletions
diff --git a/scripts/construct-release-environments-versions.rb b/scripts/construct-release-environments-versions.rb
new file mode 100755
index 00000000000..1af45923731
--- /dev/null
+++ b/scripts/construct-release-environments-versions.rb
@@ -0,0 +1,37 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require 'json'
+
+class ReleaseEnvironmentsModel
+  COMPONENTS = %w[gitaly registry kas mailroom pages gitlab shell].freeze
+
+  # Will generate a json object that has a key for every component and a value which is the environment combined with
+  # short sha
+  # Example:
+  # {
+  #  "gitaly": "15-10-stable-c7c5131c",
+  #  "registry": "15-10-stable-c7c5131c",
+  #  "kas": "15-10-stable-c7c5131c",
+  #  "mailroom": "15-10-stable-c7c5131c",
+  #  "pages": "15-10-stable-c7c5131c",
+  #  "gitlab": "15-10-stable-c7c5131c",
+  #  "shell": "15-10-stable-c7c5131c"
+  # }
+  def generate_json(environment)
+    output_json = {}
+    COMPONENTS.each do |component|
+      output_json[component.to_s] = "#{environment}-#{ENV['CI_COMMIT_SHORT_SHA']}"
+    end
+    JSON.generate(output_json)
+  end
+end
+
+# Outputs in `dotenv` format the ENVIRONMENT and VERSIONS to pass to release environments e.g.
+# ENVIRONMENT=15-10-stable
+# VERSIONS={"gitaly":"15-10-stable-c7c5131c","registry":"15-10-stable-c7c5131c","kas":"15-10-stable-c7c5131c", ...
+if $PROGRAM_NAME == __FILE__
+  environment = ENV['CI_COMMIT_REF_SLUG'].sub("-ee", "")
+  puts "ENVIRONMENT=#{environment}"
+  puts "VERSIONS=#{ReleaseEnvironmentsModel.new.generate_json(environment)}"
+end