1 files changed, 40 insertions, 0 deletions
diff --git a/app/services/google_cloud/service_accounts_service.rb b/app/services/google_cloud/service_accounts_service.rb
new file mode 100644
index 00000000000..29ed69693b0
--- /dev/null
+++ b/app/services/google_cloud/service_accounts_service.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+module GoogleCloud
+  ##
+  # GCP keys used to store Google Cloud Service Accounts
+  GCP_KEYS = %w[GCP_PROJECT_ID GCP_SERVICE_ACCOUNT GCP_SERVICE_ACCOUNT_KEY].freeze
+
+  ##
+  # This service deals with GCP Service Accounts in GitLab
+
+  class ServiceAccountsService < ::BaseService
+    ##
+    # Find GCP Service Accounts in a GitLab project
+    #
+    # This method looks up GitLab project's CI vars
+    # and returns Google Cloud Service Accounts combinations
+    # aligning GitLab project and environment to GCP projects
+
+    def find_for_project
+      group_vars_by_environment.map do |environment_scope, value|
+        {
+          environment: environment_scope,
+          gcp_project: value['GCP_PROJECT_ID'],
+          service_account_exists: value['GCP_SERVICE_ACCOUNT'].present?,
+          service_account_key_exists: value['GCP_SERVICE_ACCOUNT_KEY'].present?
+        }
+      end
+    end
+
+    private
+
+    def group_vars_by_environment
+      filtered_vars = @project.variables.filter { |variable| GCP_KEYS.include? variable.key }
+      filtered_vars.each_with_object({}) do |variable, grouped|
+        grouped[variable.environment_scope] ||= {}
+        grouped[variable.environment_scope][variable.key] = variable.value
+      end
+    end
+  end
+end