Add base jobs for container images

Change-Id: I0d32ff2450597a2a3712a69c340f73435ae8cdc8

zuul.d/jobs.yaml

@@ -0,0 +1,23 @@
+- job:
+    name: nebulous-build-container-images
+    parent: opendev-build-container-image
+    description: Build the container images.
+    vars: &image_vars
+      promote_container_image_method: intermediate-registry
+
+- job:
+    name: nebulous-upload-container-images
+    parent: opendev-upload-container-image
+    description: Build and upload the container images.
+    vars: *image_vars
+
+- job:
+    name: nebulous-promote-container-images
+    parent: opendev-promote-container-image
+    description: Promote previously uploaded container images.
+    vars: *image_vars
+    post-review: true
+    secrets:
+      - name: container_registry_credentials
+        secret: nebulous-container-registry-credentials
+        pass-to-parent: true

zuul.d/secrets.yaml

@@ -0,0 +1,16 @@
+- secret:
+    name: nebulous-container-registry-credentials
+    data:
+      quay.io:
+        username: nebulous+opendev
+        password: !encrypted/pkcs1-oaep
+          - WMYV3D9QUrVlo/sANna1vfWwttKVxEo+XRe8pam0/CHNzPaDjDLCrXPSrItSqtpJxJoRJ
+            HOL5z9Ic5kE6sIkS2bqQgaQH2SC0Rj2Memrl2rZydhK9/0xxLoFlXoayw4T9bmUCaF7m3
+            nrQP5dz/u3rAPjqEHSuB6fART3a3rMj/90HcDSr35UWbQAtaxVDUcKhndQ4sueoXbswz8
+            dBGewb1RVSxSO2OHxOfTOTFZ2TMWxu/HzZwj4qNuWv2Wku1cMOjJx5ucLOfE3MtbBud18
+            r0USFye2773UKbyBJGEJnBRPcpnl8jKwiNyVnisWuWeqBfCKYKvrDF8OwHpvl4WNFFpnK
+            E9VXqZcSrIO1gzz5ZPlWZR/fO0uc8+nq4PtKSe7h9VTMDXYnDJRrIkXGXf+yv4fKO6oSg
+            Fb0Lw4aCrOxpF7+xcyrgWvBSySCNHnIJbvnJsP7mSkQbpvktkusyVe8lfvQey50WOZOOq
+            7lRBitQwKBD57byO5Q+vHBJ5clrVFspx5A+GC79ycrv1oMMdOckEiJ+ccI0xjyp0g1MLj
+            csCzVCLJQEqo+MjXVroapXaBZ2eyYDOJdwkjFFFdqnzh0ssC1JMJrrQ6zGP0GC67DNKJY
+            PkjnIw+yrD01tcmwbngKHKyTw3PZc3ls91kEFRxpPlQU2/oaEjd7TnFbZ5oW+M=