Adds a constraint file to the pip install for Octavia scenario

Change-Id: I7f202948e2799e48ee29dba1b154c8835fb59626

tests/bootstrap-aio.yml

@@ -70,6 +70,7 @@
         - name: heat.yml.aio
         - name: tacker.yml.aio
 
+    pip_install_upper_constraints_proto: "{{ ansible_python_version | version_compare('2.7.9', '>=') | ternary('https','http') }}"
     sftp_subsystem: "{{ (ansible_pkg_mgr == 'apt') | ternary('sftp /usr/lib/openssh/sftp-server','sftp /usr/libexec/openssh/sftp-server') }}"
     sshd:
       ListenAddress:
@@ -112,4 +113,5 @@
       MaxStartups: "100:100:100"
       GSSAPIAuthentication: no
       GSSAPICleanupCredentials: no
-
+  vars_files:
+    - "{{ playbook_dir }}/../playbooks/defaults/repo_packages/openstack_services.yml"

tests/roles/bootstrap-host/tasks/prepare_octavia.yml

@@ -29,10 +29,18 @@
     - curl
     - kpartx
     - git
+- name: Create Temp Dir
+  tempfile:
+    state: directory
+  register: tmp_dir
+- name: Set Temp Dir Path
+  set_fact:
+    bootstrap_host_octavia_tmp: "{{ tmp_dir.path }}"
 - name: Install pip requirements
   pip:
     name: "{{ item }}"
     state: "present"
+    extra_args: "-c {{ pip_install_upper_constraints_proto }}://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?id={{ requirements_git_install_branch | regex_replace(' #.*$','') }}"
   register: install_packages
   until: install_packages|success
   retries: 5
@@ -43,18 +51,11 @@
     - dib-utils
     - PyYAML
     - diskimage-builder
-- name: Create Temp Dir
-  tempfile:
-    state: directory
-  register: tmp_dir
-- name: Set Temp Dir Path
-  set_fact:
-    bootstrap_host_octavia_tmp: "{{ tmp_dir.path }}"
 - name: Clone Octavia
   git:
     repo: "https://git.openstack.org/openstack/octavia"
     dest: "{{ bootstrap_host_octavia_tmp }}/octavia"
-    version: "master"
+    version: "{{ octavia_git_install_branch }}"
 # Build Octavia amphora image
 - name: Create amphora image
   shell: "./diskimage-create.sh -o {{ bootstrap_host_octavia_tmp }}/amphora-x64-haproxy.qcow2"
@@ -76,4 +77,4 @@
 - name: Fix certs/private directory access
   file:
     path: "{{ bootstrap_host_octavia_tmp }}/certs/private"
-    mode: 0755
+    mode: 0755