Add `runner_unsupported` CI failure

app/models/ci/build.rb

@@ -174,10 +174,6 @@ module Ci
         end
       end
-      before_transition any => [:running] do |build|
-        build.validates_dependencies! unless Feature.enabled?('ci_disable_validates_dependencies')
-      end
-
       after_transition pending: :running do |build|
         build.ensure_metadata.update_timeout_state
       end
@@ -343,6 +339,10 @@ module Ci
       { trace_sections: true }
     end
+    def runner_required_features
+      %w(variables)
+    end
+
     def merge_request
       return @merge_request if defined?(@merge_request)
@@ -581,7 +581,9 @@ module Ci
       options[:dependencies]&.empty?
     end
-    def validates_dependencies!
+    def valid_build_dependencies?
+      return unless Feature.enabled?('ci_disable_validates_dependencies')
+
       dependencies.each do |dependency|
         raise MissingDependenciesError unless dependency.valid_dependency?
       end
@@ -594,6 +596,12 @@ module Ci
       true
     end
+    def supported_runner?(features)
+      runner_required_features.all? do |feature_name|
+        features[feature_name]
+      end
+    end
+
     def hide_secrets(trace)
       return unless trace

app/models/commit_status.rb

@@ -46,7 +46,8 @@ class CommitStatus < ActiveRecord::Base
     api_failure: 2,
     stuck_or_timeout_failure: 3,
     runner_system_failure: 4,
-    missing_dependency_failure: 5
+    missing_dependency_failure: 5,
+    runner_unsupported: 6,
   }
   ##

app/presenters/commit_status_presenter.rb

@@ -6,7 +6,8 @@ class CommitStatusPresenter < Gitlab::View::Presenter::Delegated
       api_failure: 'There has been an API failure, please try again',
       stuck_or_timeout_failure: 'There has been a timeout failure or the job got stuck. Check your timeout limits or try again',
       runner_system_failure: 'There has been a runner system failure, please try again',
-      missing_dependency_failure: 'There has been a missing dependency failure'
+      missing_dependency_failure: 'There has been a missing dependency failure',
+      # COMMENTED to check if tests gonna fail: runner_unsupported: 'Your runner is unsupported. Upgrade runner to use new features of your Pipeline',
   }.freeze
   presents :build
@@ -20,6 +21,6 @@ class CommitStatusPresenter < Gitlab::View::Presenter::Delegated
   end
   def unrecoverable?
-    script_failure? || missing_dependency_failure?
+    script_failure? || missing_dependency_failure? || runner_unsupported?
   end
 end

app/services/ci/register_job_service.rb

@@ -41,16 +41,10 @@ module Ci
         begin
           # In case when 2 runners try to assign the same build, second runner will be declined
           # with StateMachines::InvalidTransition or StaleObjectError when doing run! or save method.
-          begin
-            build.runner_id = runner.id
-            build.runner_session_attributes = params[:session] if params[:session].present?
-
-            build.run!
+          if assign_runner!(build, params)
             register_success(build)
             return Result.new(build, true) # rubocop:disable Cop/AvoidReturnFromBlocks
-          rescue Ci::Build::MissingDependenciesError
-            build.drop!(:missing_dependency_failure)
           end
         rescue StateMachines::InvalidTransition, ActiveRecord::StaleObjectError
           # We are looping to find another build that is not conflicting
@@ -72,6 +66,24 @@ module Ci
     private
+    def assign_runner!(build, params)
+      build.runner_id = runner.id
+      build.runner_session_attributes = params[:session] if params[:session].present?
+
+      unless build.valid_build_dependencies?
+        build.drop!(:missing_dependency_failure)
+        return false
+      end
+
+      unless build.supported_runner?(params.dig(:info, :features))
+        build.drop!(:runner_unsupported)
+        return false
+      end
+
+      build.run!
+      return true
+    end
+
     def builds_for_shared_runner
       new_builds.
         # don't run projects which have not enabled shared runners and builds

lib/api/runner.rb

@@ -80,7 +80,15 @@ module API
       params do
         requires :token, type: String, desc: %q(Runner's authentication token)
         optional :last_update, type: String, desc: %q(Runner's queue last_update token)
-        optional :info, type: Hash, desc: %q(Runner's metadata)
+        optional :info, type: Hash, desc: %q(Runner's metadata) do
+          optional :name, type: String, desc: %q(Runner's name)
+          optional :version, type: String, desc: %q(Runner's version)
+          optional :revision, type: String, desc: %q(Runner's revision)
+          optional :platform, type: String, desc: %q(Runner's platform)
+          optional :architecture, type: String, desc: %q(Runner's architecture)
+          optional :executor, type: String, desc: %q(Runner's executor)
+          optional :features, type: Hash, desc: %q(Runner's features)
+        end
         optional :session, type: Hash, desc: %q(Runner's session data) do
           optional :url, type: String, desc: %q(Session's url)
           optional :certificate, type: String, desc: %q(Session's certificate)

lib/gitlab/ci/status/build/failed.rb

@@ -9,7 +9,8 @@ module Gitlab
             'api_failure' => 'API failure',
             'stuck_or_timeout_failure' => 'stuck or timeout failure',
             'runner_system_failure' => 'runner system failure',
-            'missing_dependency_failure' => 'missing dependency failure'
+            'missing_dependency_failure' => 'missing dependency failure',
+            # COMMENTED to check if CI fails: 'runner_unsupported' => 'unsuported runner',
           }.freeze
           def status_tooltip

spec/presenters/ci/build_presenter_spec.rb

@@ -231,7 +231,7 @@ describe Ci::BuildPresenter do
     let(:build) { create(:ci_build, :failed, :script_failure) }
     context 'when is a script or missing dependency failure' do
-      let(:failure_reasons) { %w(script_failure missing_dependency_failure) }
+      let(:failure_reasons) { %w(script_failure missing_dependency_failure runner_unsupported) }
       it 'should return false' do
         failure_reasons.each do |failure_reason|