Add rake task to delete test SSH keys for a user

qa/Rakefile

 require_relative 'qa/tools/revoke_all_personal_access_tokens'
 require_relative 'qa/tools/delete_subgroups'
 require_relative 'qa/tools/generate_perf_testdata'
+require_relative 'qa/tools/delete_test_ssh_keys'
 
 desc "Revokes all personal access tokens"
 task :revoke_personal_access_tokens do
@@ -39,3 +40,8 @@ end
 
 desc "Generate data and run load tests"
 task generate_data_and_run_load_test: [:generate_perf_testdata, :run_artillery_load_tests]
+
+desc "Deletes test ssh keys for a provided user"
+task :delete_test_ssh_keys do
+  QA::Tools::DeleteTestSSHKeys.new.run
+end

qa/qa/tools/delete_test_ssh_keys.rb

+# frozen_string_literal: true
+
+require_relative '../../qa'
+
+# This script deletes all test ssh keys (with titles including 'key for ssh tests' or 'key for audit event test') of a user specified by ENV['GITLAB_USERNAME']
+# Required environment variables: GITLAB_QA_ACCESS_TOKEN, GITLAB_ADDRESS and GITLAB_USERNAME
+
+module QA
+  module Tools
+    class DeleteTestSSHKeys
+      include Support::Api
+
+      def initialize
+        raise ArgumentError, "Please provide GITLAB_ADDRESS" unless ENV['GITLAB_ADDRESS']
+        raise ArgumentError, "Please provide GITLAB_QA_ACCESS_TOKEN" unless ENV['GITLAB_QA_ACCESS_TOKEN']
+        raise ArgumentError, "Please provide GITLAB_USERNAME" unless ENV['GITLAB_USERNAME']
+
+        @api_client = Runtime::API::Client.new(ENV['GITLAB_ADDRESS'], personal_access_token: ENV['GITLAB_QA_ACCESS_TOKEN'])
+        @username = ENV['GITLAB_USERNAME']
+      end
+
+      def run
+        STDOUT.puts 'Running...'
+
+        user_id = fetch_user_id
+        test_ssh_key_ids = fetch_test_ssh_key_ids(user_id)
+        STDOUT.puts "Number of test ssh keys to be deleted: #{test_ssh_key_ids.length}"
+
+        delete_ssh_keys(user_id, test_ssh_key_ids) unless test_ssh_key_ids.empty?
+        STDOUT.puts "\nDone"
+      end
+
+      private
+
+      def fetch_user_id
+        get_user_response = get Runtime::API::Request.new(@api_client, "/users?username=#{@username}").url
+        user = JSON.parse(get_user_response.body).first
+        raise "Unexpected user found. Expected #{@username}, found #{user['username']}" unless user['username'] == @username
+
+        user["id"]
+      end
+
+      def delete_ssh_keys(user_id, ssh_key_ids)
+        STDOUT.puts "Deleting #{ssh_key_ids.length} ssh keys..."
+        ssh_key_ids.each do |key_id|
+          delete_response = delete Runtime::API::Request.new(@api_client, "/users/#{user_id}/keys/#{key_id}").url
+          dot_or_f = delete_response.code == 204 ? "\e[32m.\e[0m" : "\e[31mF\e[0m"
+          print dot_or_f
+        end
+      end
+
+      def fetch_test_ssh_key_ids(user_id)
+        get_keys_response = get Runtime::API::Request.new(@api_client, "/users/#{user_id}/keys").url
+        JSON.parse(get_keys_response.body)
+          .select { |key| (key["title"].include?('key for ssh tests') || key["title"].include?('key for audit event test')) }
+          .map { |key| key['id'] }
+          .uniq
+      end
+    end
+  end
+end