Installing forums bundle to the correct location

playbooks/roles/forum/defaults/main.yml

 ---
 forum_app_dir: "{{ COMMON_APP_DIR }}/forum"
 forum_code_dir: "{{ forum_app_dir }}/cs_comments_service"
+forum_binstubs_dir: "{{ forum_code_dir }}/bin"
 forum_data_dir: "{{ COMMON_DATA_DIR }}/forum"
 forum_rbenv_dir: "{{ forum_app_dir }}"
 forum_rbenv_root: "{{ forum_app_dir }}/.rbenv"
@@ -9,7 +10,7 @@ forum_rbenv_bin: "{{ forum_rbenv_root }}/bin"
 forum_supervisor_wrapper: "{{ forum_app_dir }}/forum-supervisor.sh"
 forum_gem_root: "{{ forum_rbenv_dir }}/.gem"
 forum_gem_bin: "{{ forum_gem_root }}/bin"
-forum_path: "{{ forum_code_dir }}/bin:{{ forum_rbenv_bin }}:{{ forum_rbenv_shims }}:{{ forum_gem_bin }}:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+forum_path: "{{ forum_binstubs_dir }}:{{ forum_rbenv_bin }}:{{ forum_rbenv_shims }}:{{ forum_gem_bin }}:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
 
 FORUM_MONGO_USER: "cs_comments_service"
 FORUM_MONGO_PASSWORD: "password"

playbooks/roles/forum/tasks/deploy.yml

@@ -50,7 +50,7 @@
     - install:code
 
 - name: install comments service bundle
-  shell: bundle install --deployment chdir={{ forum_code_dir }}
+  shell: bundle install --deployment --path {{ forum_gem_root }} chdir={{ forum_code_dir }}
   sudo_user: "{{ forum_user }}"
   environment: "{{ forum_environment }}"
   notify: restart the forum service

playbooks/roles/forum/templates/forum-supervisor.sh.j2

@@ -6,7 +6,7 @@ cd {{ forum_code_dir }}
 {% if devstack %}
 {{ forum_rbenv_shims }}/ruby app.rb
 {% elif FORUM_USE_TCP %}
-{{ forum_gem_bin }}/unicorn -c config/unicorn_tcp.rb
+{{ forum_binstubs_dir }}/unicorn -c config/unicorn_tcp.rb
 {% else %}
-{{ forum_gem_bin }}/unicorn -c config/unicorn.rb
+{{ forum_binstubs_dir }}/unicorn -c config/unicorn.rb
 {% endif %}