Make sure the repo url contains the correct arch

We can end up with an arm only repo unless we are specific about the
architecture we require. Brings the deb code in line with the rpm
equivalent.

Signed-off-by: Brad Hubbard <bhubbard@redhat.com>
(cherry picked from commit 267cce9)

roles/ceph-common/tasks/installs/debian_dev_repository.yml

@@ -1,7 +1,14 @@
 ---
+- name: get latest available build
+  uri:
+    url: "https://shaman.ceph.com/api/search/?status=ready&project=ceph&flavor=default&distros={{ ansible_facts['distribution'] | lower }}/{{ ansible_facts['distribution_release'] }}/{{ ansible_facts['architecture'] }}&ref={{ ceph_dev_branch }}&sha1={{ ceph_dev_sha1 }}"
+    return_content: yes
+  run_once: true
+  register: latest_build
+
 - name: fetch ceph debian development repository
   uri:
-    url: https://shaman.ceph.com/api/repos/ceph/{{ ceph_dev_branch }}/{{ ceph_dev_sha1 }}/{{ ansible_facts['distribution'] | lower }}/{{ ansible_facts['distribution_release'] }}/repo
+    url: "{{ (latest_build.content | from_json)[0]['chacra_url'] }}repo"
     return_content: yes
   register: ceph_dev_deb_repo