Add site specific drush.yml file

tasks/install.yml

@@ -167,6 +167,27 @@
   with_items: '{{ drupal.domains }}'
   when: item.install|default(true)
 
+- block:
+
+  - name: "Create the drush.yml files"
+    template:
+      src='drush-9.yml.jinja2'
+      dest='{{ webRoot }}/settings/{{ item.shortname|default("default") }}/drush.yml'
+    with_items: '{{ drupal.domains }}'
+    when: item.install|default(true)
+
+  - name: "Create symbolic links for drush.yml"
+    file:
+      src='{{ relativeRoot }}/settings/{{ item.shortname|default("default") }}/drush.yml'
+      path='{{ drupalRoot }}/sites/{{ item.shortname|default("default") }}/drush.yml'
+      state='link'
+      force=yes
+    with_items: '{{ drupal.domains }}'
+    when: item.install|default(true)
+
+  tags: 'deploy'
+  when: drush_version_main|default('8') == '9'
+
 - include_tasks: deploy/finalize_{{ drupal.version|default("d7") }}.yml
   when: drupal_install_drupal
   tags: 'deploy'

templates/drush-9.yml.jinja2

+options:
+  uri: '{{ item.protocol|default("https") }}://{{ item.domain }}'