Add Dockerfile

Add a Dockerfile that creates a container for the CLI.

Add a docker image build job in check and gate pipelines.
Add jobs for image promotion and release as well.

Change-Id: I9f25c841d9c0d84e0f94429d41eba8b0d7464479

.zuul.yaml

@@ -1,3 +1,19 @@
+- secret:
+    name: zuul-client-dockerhub
+    data:
+      username: zuulzuul
+      password: !encrypted/pkcs1-oaep
+        - KAo13fUM9WtpXMayx7ZZbONJMtJea4E7OuxLErWH4aYUwopQ49LzrTi0lV9x9BXuoYEfh
+          iWPLb34DBzQqFQQRnbqNN3PRyNF5eSFeBhi/5JknWA0Vv73aXJRDBB1I3jXXyHoaHOWU2
+          enzeWmsLXVD3j/HmLnPEBcNd+XcMjodtEZ+Q2QZ1oCsrgW4i3Zl/3PAvcbTJBxmPFWvkm
+          VuGXt/WjGWibnkfZexSjABMtGgoUQXhJ8stjxoe2DtGe9yZ86pAsANo51c2cxtCx+eZlz
+          yjhK6mpXbwn3axGjW5p8Ij7TA7TRoU8iz1S6937KQwfo78EKlJ5EmyVWP4QIjHUDxyGoc
+          oMGFSQLkmZNnRBGAgLUyu6Zo7l+6AYjmlbh5xX4fWrPrQawGXJb7+2k7/hI/GprXZ30D2
+          mW3bf5+CcEHCRp6jNf9mjK9bDyK/XxbLxEtJc+7txNyOeIarFCx5vXu3XSfF15YRtSXbx
+          GeloNicZZsJNjJT0U9TJmRpdsIrg8aumpHtZCy0PhHcOCwTOYNSsIxfN4XDMRbAa0OW09
+          /ZjKtC+ftXNtvtFxcsxKYD/VqFZGgc4ZtHJV1OE+2bOj436AUo3doYjrkwitX4IfZQNEs
+          PdwF2MW3w/xLLbl+jQqM6tp/1snbuRK/l1rP8XFCQUlb2sZE3oCAJJNAsQNPFY=
+
 - job:
     name: zuul-client-zuul-functional
     parent: tox
@@ -11,12 +27,56 @@
       tox_envlist: zuul_client
     nodeset: ubuntu-bionic
 
+- job:
+    name: zuul-client-build-image
+    parent: opendev-build-docker-image
+    description: Build a Docker image for the CLI.
+    allowed-projects: zuul/zuul-client
+    timeout: 2700
+    requires:
+      - python-builder-3.8-container-image
+      - python-base-3.8-container-image
+    provides:
+      - zuul-client-container-image
+    vars: &zuulclient_image_vars
+      docker_images:
+        - context: .
+          repository: zuul/zuul-client
+          tags:
+            &imagetag "{{ zuul.tag is defined | ternary([zuul.get('tag', '').split('.')[0], '.'.join(zuul.get('tag', '').split('.')[:2]), zuul.get('tag', '')], ['latest']) }}"
+
+- job:
+    name: zuul-client-upload-image
+    parent: opendev-upload-docker-image
+    description: Build the CLI Docker image and upload to Docker Hub.
+    timeout: 3600
+    requires:
+      - python-builder-3.8-container-image
+      - python-base-3.8-container-image
+    provides: zuul-client-container-image
+    vars: *zuulclient_image_vars
+    secrets:
+      - name: docker_credentials
+        secret: zuul-client-dockerhub
+        pass-to-parent: true
+
+- job:
+    name: zuul-client-promote-image
+    parent: opendev-promote-docker-image
+    description: Promote previously uploaded Docker image.
+    vars: *zuulclient_image_vars
+    secrets:
+      - name: docker_credentials
+        secret: zuul-client-dockerhub
+        pass-to-parent: true
+
 - project:
     vars:
       release_python: python3
     check:
       jobs:
         - zuul-tox-docs
+        - zuul-client-build-image
         - tox-linters:
             vars:
               tox_install_bindep: false
@@ -42,11 +102,21 @@
             timeout: 3600
         - zuul-client-zuul-functional
         - build-python-release
+        - zuul-client-upload-image
     promote:
       jobs:
         - opendev-promote-python
         - zuul-promote-docs
+        - zuul-client-promote-image
     release:
       jobs:
         - opendev-release-python
         - zuul-publish-tox-docs
+        - upload-docker-image:
+            secrets:
+              name: docker_credentials
+              secret: zuul-client-dockerhub
+              pass-to-parent: true
+            vars:
+              <<: *zuulclient_image_vars
+              upload_docker_image_promote: false

Dockerfile

@@ -0,0 +1,26 @@
+# Copyright (c) 2020 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM docker.io/opendevorg/python-builder:3.8 as builder
+
+COPY . /tmp/src
+RUN assemble
+
+FROM docker.io/opendevorg/python-base:3.8
+
+COPY --from=builder /output/ /output
+RUN /output/install-from-bindep
+
+ENTRYPOINT ["/usr/local/bin/zuul-client"]