APT Package pinning for openstack-ansible

This role will set package pinning for APT packages. The role will create a preference file used to pin packages to a release, origin, or version. The pinning syntax is a simple data driven format which is a list of dictionaries. The items must contain a package entry and pinning type. Pinning types are release, origin, or version.

Basic Role Example

- role: "{{ rolename }}"
  apt_package_pinning_file_name: test.pref
  apt_pinned_packages:
    - { package: "test-package-version", version: "9.9.9-version" }
    - { package: "test-package-origin", origin: "test-origin.org" }
    - { package: "test-package-release.*", release: "TestRelease", priority: 101 }