Use CI/CD job policy specification in YAML processor

lib/gitlab/ci/build/policy.rb

@@ -0,0 +1,19 @@
+module Gitlab
+  module Ci
+    module Build
+      module Policy
+        def self.fabricate(specs)
+          specifications = specs.to_h.map do |spec, value|
+            begin
+              self.const_get(spec.to_s.camelize).new(value)
+            rescue NameError
+              next
+            end
+          end
+
+          specifications.compact
+        end
+      end
+    end
+  end
+end

lib/gitlab/ci/build/policy/specification.rb

@@ -18,9 +18,6 @@ module Gitlab
           def satisfied_by?(pipeline, **metadata)
             raise NotImplementedError
           end
-
-          def self.fabricate_all(*specs)
-          end
         end
       end
     end

lib/gitlab/ci/yaml_processor.rb

@@ -89,13 +89,14 @@ module Gitlab
 
         builds.select do |build|
           job = @jobs[build.fetch(:name).to_sym]
-          has_kubernetes = pipeline.has_kubernetes_active?
-          only_kubernetes = job.dig(:only, :kubernetes)
-          except_kubernetes = job.dig(:except, :kubernetes)
 
-          [!only_kubernetes && !except_kubernetes,
-           only_kubernetes && has_kubernetes,
-           except_kubernetes && !has_kubernetes].any?
+          only_specs = Gitlab::Ci::Build::Policy
+            .fabricate(job.fetch(:only, {}))
+          except_specs = Gitlab::Ci::Build::Policy
+            .fabricate(job.fetch(:except, {}))
+
+          only_specs.all? { |spec| spec.satisfied_by?(pipeline) } &&
+            except_specs.none? { |spec| spec.satisfied_by?(pipeline) }
         end
       end