This commit adds the ability to install glance without requiring an
OpenStack-Ansible pip wheel repository.
In 'developer mode' the git source is cloned directly and the services
are installed directly from the git clone with its requirements being
installed from pypi. The OpenStack upper-constraints file is also used
to ensure that the install is executed using the appropriately tested
set of pypi packages.
The following variables are added:
- designate_developer_mode: A boolean switch to enable/disable developer
mode.
- designate_git_repo: The git repository to clone Designate from.
- designate_git_install_branch: The branch, tag or SHA to checkout once
the designate repository has been cloned.
- designate_requirements_git_repo: The git repository to clone in order
to retrieve the upper-constraints file.
- designate_requirements_git_install_branch: The branch, tag or SHA to
checkout once the requirements repository has been cloned.
The testing playbook overrides the *_install_branch variables to fixed
SHA's in order to fix points in time at which updates are made. This
reduces the effect of upstream development changes on the
OpenStack-Ansible development cycle.
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