adding downstream official Red Hat container images for components

kustomize/overlays/downstream/3.4.0/kustomization.yaml

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+# Overlay variant for Project Quay "padme" release.
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization	
+commonAnnotations:
+  quay-version: v3.4.0
+bases:
+  - ../../../tmp
+images:
+  - name: quay.io/projectquay/quay
+    newName: quay.io/redhat/quay
+    newTag: v3.4.0
+  - name: quay.io/projectquay/clair
+    newName: quay.io/redhat/clair
+    newTag: v3.4.0
+  - name: redis
+    newName: registry.access.redhat.com/rhscl/redis-32-rhel7
+  - name: postgres
+    newName: registry.access.redhat.com/rhscl/postgresql-10-rhel7
+    newTag: 1-35
+  # FIXME(alecmerdler): Need to handle `redhat-pull-secret` (potentially with a `secretGenerator`?)...

kustomize/overlays/downstream/3.4.0/upgrade/kustomization.yaml

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+# Overlay variant for upgrading to Red Hat Quay "v3.4.0" release.
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization	
+commonAnnotations:
+  quay-version: v3.4.0
+bases:
+  - ../../../../tmp
+patchesStrategicMerge:
+  # Scale the app deployment to 0 pods in order to run all migrations present in the new container image using the "upgrade" deployment.
+  - ./quay.deployment.patch.yaml
+  - ./upgrade.deployment.patch.yaml
+images:
+  - name: quay.io/projectquay/quay
+    newName: quay.io/redhat/quay
+    newTag: v3.4.0
+  - name: quay.io/projectquay/clair
+    newName: quay.io/redhat/clair
+    newTag: v3.4.0
+  - name: redis
+    newName: registry.access.redhat.com/rhscl/redis-32-rhel7
+  - name: postgres
+    newName: registry.access.redhat.com/rhscl/postgresql-10-rhel7
+    newTag: 1-35
+  # FIXME(alecmerdler): Need to handle `redhat-pull-secret` (potentially with a `secretGenerator`?)...

kustomize/overlays/downstream/3.4.0/upgrade/quay.deployment.patch.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: quay-app
+  annotations:
+    quay-upgrade: v3.4.0
+spec:
+  replicas: 0

kustomize/overlays/downstream/3.4.0/upgrade/upgrade.deployment.patch.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: quay-app-upgrade
+  annotations:
+    quay-upgrade: v3.4.0
+spec:
+  replicas: 1