Give xqueue a devstack.sh

This shell wrapper brings it in line with the rest of the `make
foo-shell` commands and puts you in a better location in the container.
It also makes running tests easier since it sets up the virtualenv and
puts you in the right place to type `make test`

docker/build/xqueue/Dockerfile

@@ -17,6 +17,6 @@ RUN apt-get update
 ADD . /edx/app/edx_ansible/edx_ansible
 COPY docker/build/xqueue/ansible_overrides.yml /
 WORKDIR /edx/app/edx_ansible/edx_ansible/docker/plays
-RUN /edx/app/edx_ansible/venvs/edx_ansible/bin/ansible-playbook xqueue.yml -i '127.0.0.1,' -c local -t "install:base,install:system-requirements,install:configuration,install:app-requirements,install:code" -e@/ansible_overrides.yml
+RUN /edx/app/edx_ansible/venvs/edx_ansible/bin/ansible-playbook xqueue.yml -i '127.0.0.1,' -c local -t "install:base,install:system-requirements,install:configuration,install:app-requirements,install:code,devstack" -e@/ansible_overrides.yml
 
 EXPOSE 18040

docker/build/xqueue/ansible_overrides.yml

@@ -4,3 +4,4 @@ XQUEUE_RABBITMQ_HOSTNAME: "edx.devstack.rabbit"
 XQUEUE_MYSQL_HOST: "edx.devstack.mysql"
 xqueue_gunicorn_port: 18040
 xqueue_gunicorn_host: 0.0.0.0
+devstack: true

playbooks/roles/xqueue/tasks/main.yml

@@ -37,6 +37,19 @@
     - install
     - install:system-requirements
 
+- name: write devstack script
+  template:
+    src: "devstack.sh.j2"
+    dest: "{{ xqueue_app_dir }}/devstack.sh"
+    owner: "{{ xqueue_user }}"
+    group: "{{ common_web_group }}"
+    mode: 0744
+  when: devstack is defined and devstack
+  tags:
+    - devstack
+    - devstack:install
+
+
 - include: deploy.yml
   tags:
-    - deploy
\ No newline at end of file
+    - deploy

playbooks/roles/xqueue/templates/devstack.sh.j2

+#!/usr/bin/env bash
+
+# {{ ansible_managed }}
+
+COMMAND=$1
+
+case $COMMAND in
+    open)
+        . {{ xqueue_venv_bin }}/activate
+        cd {{ xqueue_code_dir }}
+
+        /bin/bash
+        ;;
+esac