def rollback():
"""Swaps the deployed version of the app to the previous version.
Requires the env keys:
path - root deploy target for this app
releases_root - subdirectory that stores the releases
current_release_symlink - name of the symlink pointing to the currently
deployed version
Optional:
crontab - relative path from the project root to a crontab to install
deploy_user - user that should run the crontab
"""
require('path')
require('releases_root')
require('current_release_symlink')
require('crontab')
require('deploy_user')
with cd(os.path.join(env.path, env.releases_root)):
previous_link = deploy.release.alternative_release_path()
conditional_rm(env.current_release_symlink)
run('ln -fs %s %s' % (previous_link, env.current_release_symlink))
deploy.cron.conditional_install_crontab(utils.absolute_release_path(),
env.crontab, env.deploy_user)
restart_webserver()
def rollback():
"""Swaps the deployed version of the app to the previous version.
Requires the env keys:
path - root deploy target for this app
releases_root - subdirectory that stores the releases
current_release_symlink - name of the symlink pointing to the currently
deployed version
Optional:
crontab - relative path from the project root to a crontab to install
deploy_user - user that should run the crontab
"""
require('path')
require('releases_root')
require('current_release_symlink')
require('crontab')
require('deploy_user')
with cd(os.path.join(env.path, env.releases_root)):
previous_link = deploy.release.alternative_release_path()
conditional_rm(env.current_release_symlink)
run('ln -fs %s %s' % (previous_link, env.current_release_symlink))
deploy.cron.conditional_install_crontab(utils.absolute_release_path(),
env.crontab, env.deploy_user)
restart_webserver()
def _symlink_current_release(next_release_path):
with cd(os.path.join(env.path, env.releases_root)):
conditional_rm(env.current_release_symlink)
run('ln -fs %s %s' % (next_release_path, env.current_release_symlink))
def _symlink_current_release(next_release_path):
with cd(os.path.join(env.path, env.releases_root)):
conditional_rm(env.current_release_symlink)
run('ln -fs %s %s' % (next_release_path, env.current_release_symlink))