Merge branch '57115-just-in-time-k8s-resource-creation' into 'master'

Create project-specific Kubernetes resources just-in-time

See merge request gitlab-org/gitlab-ce!25586

8 files changed, 165 insertions, 1 deletions

diff --git a/lib/gitlab/badge/pipeline/template.rb b/lib/gitlab/badge/pipeline/template.rb
index 64c3dfcd10b..2c5f9654496 100644
--- a/lib/gitlab/badge/pipeline/template.rb
+++ b/lib/gitlab/badge/pipeline/template.rb
@@ -15,6 +15,7 @@ module Gitlab
           failed: '#e05d44',
           running: '#dfb317',
           pending: '#dfb317',
+          preparing: '#dfb317',
           canceled: '#9f9f9f',
           skipped: '#9f9f9f',
           unknown: '#9f9f9f'
diff --git a/lib/gitlab/ci/build/prerequisite/base.rb b/lib/gitlab/ci/build/prerequisite/base.rb
new file mode 100644
index 00000000000..156aa22d95b
--- /dev/null
+++ b/lib/gitlab/ci/build/prerequisite/base.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Build
+      module Prerequisite
+        class Base
+          include Utils::StrongMemoize
+
+          attr_reader :build
+
+          def initialize(build)
+            @build = build
+          end
+
+          def unmet?
+            raise NotImplementedError
+          end
+
+          def complete!
+            raise NotImplementedError
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/ci/build/prerequisite/factory.rb b/lib/gitlab/ci/build/prerequisite/factory.rb
new file mode 100644
index 00000000000..60cdf7af418
--- /dev/null
+++ b/lib/gitlab/ci/build/prerequisite/factory.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Build
+      module Prerequisite
+        class Factory
+          attr_reader :build
+
+          def self.prerequisites
+            [KubernetesNamespace]
+          end
+
+          def initialize(build)
+            @build = build
+          end
+
+          def unmet
+            build_prerequisites.select(&:unmet?)
+          end
+
+          private
+
+          def build_prerequisites
+            self.class.prerequisites.map do |prerequisite|
+              prerequisite.new(build)
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/ci/build/prerequisite/kubernetes_namespace.rb b/lib/gitlab/ci/build/prerequisite/kubernetes_namespace.rb
new file mode 100644
index 00000000000..41135ae62bb
--- /dev/null
+++ b/lib/gitlab/ci/build/prerequisite/kubernetes_namespace.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Build
+      module Prerequisite
+        class KubernetesNamespace < Base
+          def unmet?
+            deployment_cluster.present? && kubernetes_namespace.new_record?
+          end
+
+          def complete!
+            return unless unmet?
+
+            create_or_update_namespace
+          end
+
+          private
+
+          def deployment_cluster
+            build.deployment&.cluster
+          end
+
+          def kubernetes_namespace
+            strong_memoize(:kubernetes_namespace) do
+              deployment_cluster.find_or_initialize_kubernetes_namespace_for_project(build.project)
+            end
+          end
+
+          def create_or_update_namespace
+            Clusters::Gcp::Kubernetes::CreateOrUpdateNamespaceService.new(
+              cluster: deployment_cluster,
+              kubernetes_namespace: kubernetes_namespace
+            ).execute
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/ci/status/build/factory.rb b/lib/gitlab/ci/status/build/factory.rb
index 6e4bfe23f2b..f7d0715e617 100644
--- a/lib/gitlab/ci/status/build/factory.rb
+++ b/lib/gitlab/ci/status/build/factory.rb
@@ -11,6 +11,7 @@ module Gitlab
               Status::Build::Manual,
               Status::Build::Canceled,
               Status::Build::Created,
+              Status::Build::Preparing,
               Status::Build::Pending,
               Status::Build::Skipped],
              [Status::Build::Cancelable,
diff --git a/lib/gitlab/ci/status/build/failed.rb b/lib/gitlab/ci/status/build/failed.rb
index d40454df737..76dfe7b7639 100644
--- a/lib/gitlab/ci/status/build/failed.rb
+++ b/lib/gitlab/ci/status/build/failed.rb
@@ -15,7 +15,8 @@ module Gitlab
             runner_unsupported: 'unsupported runner',
             stale_schedule: 'stale schedule',
             job_execution_timeout: 'job execution timeout',
-            archived_failure: 'archived failure'
+            archived_failure: 'archived failure',
+            unmet_prerequisites: 'unmet prerequisites'
           }.freeze
 
           private_constant :REASONS
diff --git a/lib/gitlab/ci/status/build/preparing.rb b/lib/gitlab/ci/status/build/preparing.rb
new file mode 100644
index 00000000000..1fddcb05f79
--- /dev/null
+++ b/lib/gitlab/ci/status/build/preparing.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Status
+      module Build
+        class Preparing < Status::Extended
+          ##
+          # TODO: image is shared with 'pending'
+          # until we get a dedicated one
+          #
+          def illustration
+            {
+              image: 'illustrations/job_not_triggered.svg',
+              size: 'svg-306',
+              title: _('This job is preparing to start'),
+              content: _('This job is performing tasks that must complete before it can start')
+            }
+          end
+
+          def self.matches?(build, _)
+            build.preparing?
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/ci/status/preparing.rb b/lib/gitlab/ci/status/preparing.rb
new file mode 100644
index 00000000000..62985d0a9f9
--- /dev/null
+++ b/lib/gitlab/ci/status/preparing.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Status
+      class Preparing < Status::Core
+        def text
+          s_('CiStatusText|preparing')
+        end
+
+        def label
+          s_('CiStatusLabel|preparing')
+        end
+
+        ##
+        # TODO: shared with 'created'
+        # until we get one for 'preparing'
+        #
+        def icon
+          'status_created'
+        end
+
+        ##
+        # TODO: shared with 'created'
+        # until we get one for 'preparing'
+        #
+        def favicon
+          'favicon_status_created'
+        end
+      end
+    end
+  end
+end