Add script to delete all subgroups within the specified group

qa/Gemfile.lock

@@ -97,7 +97,7 @@ DEPENDENCIES
   airborne (~> 0.2.13)
   capybara (~> 2.16.1)
   capybara-screenshot (~> 1.0.18)
-  nokogiri (~> 1.10.0)
+  nokogiri (~> 1.10.1)
   pry-byebug (~> 3.5.1)
   rake (~> 12.3.0)
   rspec (~> 3.7)

qa/Rakefile

 require_relative 'qa/tools/revoke_all_personal_access_tokens'
+require_relative 'qa/tools/delete_subgroups'
 
 desc "Revokes all personal access tokens"
 task :revoke_personal_access_tokens do
   QA::Tools::RevokeAllPersonalAccessTokens.new.run
 end
+
+desc "Deletes subgroups within a provided group"
+task :delete_subgroups do
+  QA::Tools::DeleteSubgroups.new.run
+end

qa/qa/support/api.rb

@@ -20,6 +20,24 @@ module QA
         e.response
       end
 
+      def delete(url)
+        RestClient::Request.execute(
+          method: :delete,
+          url: url,
+          verify_ssl: false)
+      rescue RestClient::ExceptionWithResponse => e
+        e.response
+      end
+
+      def head(url)
+        RestClient::Request.execute(
+          method: :head,
+          url: url,
+          verify_ssl: false)
+      rescue RestClient::ExceptionWithResponse => e
+        e.response
+      end
+
       def parse_body(response)
         JSON.parse(response.body, symbolize_names: true)
       end

qa/qa/tools/delete_subgroups.rb

+# frozen_string_literal: true
+
+require_relative '../../qa'
+
+# This script deletes all subgroups of a group specified by ENV['GROUP_NAME_OR_PATH']
+# Required environment variables: PERSONAL_ACCESS_TOKEN and GITLAB_ADDRESS
+# Optional environment variable: GROUP_NAME_OR_PATH (defaults to 'gitlab-qa-sandbox-group')
+# Run `rake delete_subgroups`
+
+module QA
+  module Tools
+    class DeleteSubgroups
+      include Support::Api
+
+      def initialize
+        raise ArgumentError, "Please provide GITLAB_ADDRESS" unless ENV['GITLAB_ADDRESS']
+        raise ArgumentError, "Please provide PERSONAL_ACCESS_TOKEN" unless ENV['PERSONAL_ACCESS_TOKEN']
+
+        @api_client = Runtime::API::Client.new(ENV['GITLAB_ADDRESS'], personal_access_token: ENV['PERSONAL_ACCESS_TOKEN'])
+      end
+
+      def run
+        STDOUT.puts 'Running...'
+
+        # Fetch group's id
+        group_id = fetch_group_id
+
+        sub_groups_head_response = head Runtime::API::Request.new(@api_client, "/groups/#{group_id}/subgroups", per_page: "100").url
+        total_sub_groups = sub_groups_head_response.headers[:x_total]
+        total_sub_group_pages = sub_groups_head_response.headers[:x_total_pages]
+
+        STDOUT.puts "total_sub_groups: #{total_sub_groups}"
+        STDOUT.puts "total_sub_group_pages: #{total_sub_group_pages}"
+
+        total_sub_group_pages.to_i.times do |page_no|
+          # Fetch all subgroups for the top level group
+          sub_groups_response = get Runtime::API::Request.new(@api_client, "/groups/#{group_id}/subgroups", per_page: "100").url
+
+          sub_group_ids = JSON.parse(sub_groups_response.body).map { |subgroup| subgroup["id"] }
+
+          if sub_group_ids.any?
+            STDOUT.puts "\n==== Current Page: #{page_no + 1} ====\n"
+
+            delete_subgroups(sub_group_ids)
+          end
+        end
+        STDOUT.puts "\nDone"
+      end
+
+      private
+
+      def delete_subgroups(sub_group_ids)
+        sub_group_ids.each do |subgroup_id|
+          delete_response = delete Runtime::API::Request.new(@api_client, "/groups/#{subgroup_id}").url
+          dot_or_f = delete_response.code == 202 ? "\e[32m.\e[0m" : "\e[31mF\e[0m"
+          print dot_or_f
+        end
+      end
+
+      def fetch_group_id
+        group_search_response = get Runtime::API::Request.new(@api_client, "/groups", search: ENV['GROUP_NAME_OR_PATH'] || 'gitlab-qa-sandbox-group').url
+        JSON.parse(group_search_response.body).first["id"]
+      end
+    end
+  end
+end