gerrit: copy static files directly into container image

Copy static files directly into the container image instead of
managing them dynamically with Ansible.

Change-Id: I0ebe40ad2a97e87b00137af7c93a3ffa84929a2e

docker/gerrit/bazel/Dockerfile

@@ -22,6 +22,7 @@ RUN mkdir /var/gerrit/plugins && \
   unzip -jo /var/gerrit/bin/gerrit.war WEB-INF/plugins/* -d /var/gerrit/plugins
 
 # NOTE(ianw) : copied into build context by playbooks/zuul/gerrit/run.yaml
-COPY opendevtheme.html /var/gerrit/plugins/opendevtheme.html
+COPY plugins/opendevtheme.html /var/gerrit/plugins/opendevtheme.html
+COPY static/ /var/gerrit/
 
 COPY bazel-bin/plugins/zuul-results-summary/zuul-results-summary.jar /var/gerrit/plugins/zuul-results-summary.jar

playbooks/roles/gerrit/defaults/main.yaml

@@ -17,7 +17,6 @@ gerrit_container_volumes:
   - /home/gerrit2/review_site/hooks:/var/gerrit/hooks
   - /home/gerrit2/review_site/index:/var/gerrit/index
   - /home/gerrit2/review_site/logs:/var/log/gerrit
-  - /home/gerrit2/review_site/static:/var/gerrit/static
   - /home/gerrit2/review_site/tmp:/var/gerrit/tmp
   - /opt/project-config/gerrit/projects.yaml:/var/gerrit/etc/projects.yaml
   - /opt/project-config/gerrit/projects.ini:/var/gerrit/etc/projects.ini

playbooks/roles/gerrit/tasks/main.yaml

@@ -59,7 +59,6 @@
     - hooks
     - index
     - logs
-    - static
     - tmp
 
 - name: Write Gerrit config file
@@ -207,20 +206,6 @@
     - change-abandoned
     - patchset-created
 
-# TODO(mordred) These things should really go into the image instead.
-- name: Copy static and etc
-  copy:
-    src: "{{ item }}"
-    dest: "{{ gerrit_site_dir }}/{{ item }}"
-    owner: "{{ gerrit_user_name }}"
-    group: "{{ gerrit_user_name }}"
-    mode: preserve
-  loop:
-    - static/cla.html
-    - static/robots.txt
-    - static/system-cla.html
-    - static/usg-cla.html
-
 - name: Write manage-projects script
   template:
     src: "manage-projects.j2"

playbooks/zuul/gerrit/run.yaml

@@ -34,10 +34,25 @@
           mv $target bazel-bin
         chdir:  /home/zuul/src/gerrit.googlesource.com/gerrit
 
-    - name: Install OpenDev theme plugin
-      copy:
-        src: plugins/opendevtheme.html
-        dest: /home/zuul/src/gerrit.googlesource.com/gerrit/opendevtheme.html
+    - name: Install static files to container build context
+      block:
+        - name: Ensure directories
+          file:
+            path: '/home/zuul/src/gerrit.googlesource.com/gerrit/{{ item }}'
+            state: directory
+          loop:
+            - plugins
+            - static
+        - name: Copy static files
+          copy:
+            src: '{{ item }}'
+            dest: '/home/zuul/src/gerrit.googlesource.com/gerrit/{{ item }}'
+          loop:
+            - static/cla.html
+            - static/robots.txt
+            - static/system-cla.html
+            - static/usg-cla.html
+            - plugins/opendevtheme.html
 
     - name: Build docker image
       include_role: