def install():
"""Upload and install artifacts and mark a new release as 'current'."""
setup = ProjectSetup(env.remote_deploy_base)
setup.setup_directories(use_sudo=False)
release_id = get_release_id()
# We upgrade setuptools and pip as separate installs
# since we run into issues when upgrading them both
# at the same time.
patches = [
VirtualEnvInstallation(env.remote_deploy_base, ['setuptools']),
VirtualEnvInstallation(env.remote_deploy_base, ['pip'])]
project = VirtualEnvInstallation(
env.remote_deploy_base,
['avalonms', 'gunicorn', 'raven'],
[join(env.remote_build_path, 'wheelhouse')])
transfer = LocalArtifactTransfer('wheelhouse', env.remote_build_path)
with hide('stdout'), transfer:
for patch in patches:
patch.install(release_id, upgrade=True)
project.install(release_id)
rm = ReleaseManager(env.remote_deploy_base)
rm.set_current_release(release_id)
rm.cleanup()
setup.set_permissions(env.remote_deploy_owner)
def rollback():
"""Rollback to the previous release."""
rm = ReleaseManager(env.remote_deploy_base)
previous = rm.get_previous_release()
if not previous:
warn("No previous release, cannot rollback!")
return
rm.set_current_release(previous)