Spec Lite: <Your Title Here>

project: <One of: glance, glance_store, python-glanceclient>
problem: <What is the driver to make the change.>
solution: <High level description what needs to get done. For example: "We need to add client function X.Y.Z to interact with new server functionality Z".>
impacts: <All possible *Impact flags (same as in commit messages) or 'None'.>

how: <More technical details than the high level overview of solution if needed.>
alternatives: <Any alternative approaches that might be worth bringing to discussion.>
timeline: <List the milestone by which you expect this work to be completed.>
link: <Link to the change in gerrit that already would provide the solution. After committing the Spec Lite depend the change to the Spec Lite commit.>
reviewers: <If specific reviewers have agreed to champion this proposal, list them here.>
assignee: <If known, list who is going to work on the feature implementation.>