Follow the general workflow of PIP

defaults/main.yml

@@ -14,8 +14,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+congress_package_state: "latest"
+
 congress_git_repo: https://git.openstack.org/openstack/congress
 congress_git_install_branch: master
+congress_developer_mode: false
 congress_requirements_git_repo: https://git.openstack.org/openstack/requirements
 congress_requirements_git_install_branch: master
 congress_developer_mode: false

tasks/congress_install.yml

@@ -14,53 +14,74 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-- debug:
-    msg: "This script will install Congress"
-
-- name: clone requirements repository
-  git:
-    repo: "{{ congress_requirements_git_repo }}"
-    dest: /opt/requirements
-    clone: yes
-    update: yes
-
-- name: create venv directory
-  file:
-    path: /openstack/venvs/congress/bin
-    state: directory
-
-- name: install pip packages
+- name: Install required pip packages
   pip:
-    name: "{{ congress_requires_pip_packages }}"
-    state: present
-    virtualenv: "/openstack/venvs/congress/"
+    name: "{{ congress_requires_pip_packages | join(' ') }}"
+    state: "{{ congress_package_state }}"
+  register: install_packages
+  until: install_packages|success
+  retries: 5
+  delay: 2
 
-- name: get venv checksum
-  stat:
-    path: "/var/cache/{{ congress_venv_download_url | basename }}"
-    get_md5: False
-  register: local_venv_stat
+- name: Retrieve checksum for venv download
+  uri:
+    url: "{{ congress_venv_download_url | replace('tgz', 'checksum') }}"
+    return_content: yes
+  register: congress_venv_checksum
+  when: not congress_developer_mode | bool
 
-#- name: get remote venv checksum
-#  uri:
-#    url: "{{ congress_venv_download_url | replace('tgz', 'checksum')}}"
-#    return_content: True
+- name: Attempt venv download
+  get_url:
+    url: "{{ congress_venv_download_url }}"
+    dest: "/var/cache/{{ congress_venv_download_url | basename }}"
+    checksum: "sha1:{{ congress_venv_checksum.content | trim }}"
+  register: congress_get_venv
+  when: not congress_developer_mode | bool
 
-- name: clone congress repo
-  git:
-    repo: "{{ congress_git_repo }}"
-    dest: /opt/congress
-    clone: yes
+- name: Remove existing venv
+  file:
+    path: "{{ congress_bin | dirname }}"
+    state: absent
+  when: congress_get_venv | changed
 
-- name: install congress packages
-  shell: cd /opt/congress && pip install .
+- name: Create congress venv dir
+  file:
+    path: "{{ congress_bin | dirname }}"
+    state: directory
+  register: congress_venv_dir
+  when: not congress_developer_mode | bool
 
-#- name: attempt venv download
-#  get_url:
-#    url: "{{ congress_venv_download_url }}"
-#    dest: "/var/cache/{{ congress_venv_download_url | basename }}"
-#  ignore_errors: true
-#  register: tacker_get_venv
+- name: Unarchive pre-built venv
+  unarchive:
+    src: "/var/cache/{{ congress_venv_download_url | basename }}"
+    dest: "{{ congress_bin | dirname }}"
+    copy: "no"
+  when:
+    - not congress_developer_mode | bool
+    - congress_get_venv | changed or congress_venv_dir | changed
 
-- name: generating the configuration
-  shell: tox -egenconfig
+- name: Install pip packages
+  pip:
+    name: "{{ congress_pip_packages | join(' ') }}"
+    state: "{{ congress_package_state }}"
+    virtualenv: "{{ congress_bin | dirname }}"
+    virtualenv_site_packages: "no"
+  register: install_packages
+  until: install_packages|success
+  retries: 5
+  delay: 2
+  when: congress_developer_mode | bool
+
+- name: Update virtualenv path
+  command: >
+    virtualenv-tools --update-path=auto --reinitialize {{ congress_bin | dirname }}
+  when:
+    - not congress_developer_mode | bool
+    - congress_get_venv | changed or congress_venv_dir | changed
+
+- name: Record the venv tag deployed
+  ini_file:
+    dest: "/etc/ansible/facts.d/openstack_ansible.fact"
+    section: congress
+option: venv_tag
+    value: "{{ congress_venv_tag }}"