Exemplo n.º 1
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def conditional_symlink_current_release(deployed=False):
    """Swap the 'current' symlink to point to the new release if it doesn't
    point there already.

    Requires the env keys:
        pretty_release - set by make_pretty_release(), a commit identifier
        release_path - root target directory on the remote server
    """
    current_version = None
    if exists(utils.absolute_release_path()):
        with settings(cd(utils.absolute_release_path()), warn_only=True):
            current_version = run('git describe')
    if (not exists(utils.absolute_release_path()) or deployed
            or current_version != env.pretty_release):
        _symlink_current_release(env.release_path)
Exemplo n.º 2
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def conditional_symlink_current_release(deployed=False):
    """Swap the 'current' symlink to point to the new release if it doesn't
    point there already.

    Requires the env keys:
        pretty_release - set by make_pretty_release(), a commit identifier
        release_path - root target directory on the remote server
    """
    current_version = None
    if exists(utils.absolute_release_path()):
        with settings(cd(utils.absolute_release_path()), warn_only=True):
            current_version = run('git describe')
    if (not exists(utils.absolute_release_path())
            or deployed or current_version != env.pretty_release):
        _symlink_current_release(env.release_path)
Exemplo n.º 3
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Arquivo: tasks.py Projeto: nkeilar/ops
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()
Exemplo n.º 4
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Arquivo: tasks.py Projeto: nkeilar/ops
def maintenancemode():
    """If using the maintenancemode app
    (https://github.com/jezdez/django-maintenancemode), this command will toggle
    it on and off. It finds the `MAINTENANCE_MODE` variable in your
    `settings.py` on the remote server, toggles its value and restarts the web
    server.

    Requires the env keys:

        toggle - set by enable() or disable(), indicates whether we should turn
                    maintenance mode on or off.
        settings - relative path from the project root to the settings.py file
        current_release_path - path to the current release on the remote server
    """
    require('toggle', provided_by=[enable, disable])
    require('settings')
    require('current_release_path')

    settings_file = os.path.join(utils.absolute_release_path(), env.settings)
    if exists(settings_file):
        sed(settings_file, '(MAINTENANCE_MODE = )(False|True)',
                '\\1%(toggle)s' % env)
        restart_webserver()
    else:
        warn('Settings file %s could not be found' % settings_file)
Exemplo n.º 5
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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()
Exemplo n.º 6
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def maintenancemode():
    """If using the maintenancemode app
    (https://github.com/jezdez/django-maintenancemode), this command will toggle
    it on and off. It finds the `MAINTENANCE_MODE` variable in your
    `settings.py` on the remote server, toggles its value and restarts the web
    server.

    Requires the env keys:

        toggle - set by enable() or disable(), indicates whether we should turn
                    maintenance mode on or off.
        settings - relative path from the project root to the settings.py file
        current_release_path - path to the current release on the remote server
    """
    require('toggle', provided_by=[enable, disable])
    require('settings')
    require('current_release_path')

    settings_file = os.path.join(utils.absolute_release_path(), env.settings)
    if exists(settings_file):
        sed(settings_file, '(MAINTENANCE_MODE = )(False|True)',
            '\\1%(toggle)s' % env)
        restart_webserver()
    else:
        warn('Settings file %s could not be found' % settings_file)
Exemplo n.º 7
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def alternative_release_path():
    """Determine the release directory that is not currently in use.

    For example if the 'current' symlink points to the 'a' release directory,
    this method returns 'b'.

    Requires the env keys:
        release_paths - a tuple of length 2 with the release directory names
                            (defaults to 'a' and 'b')
    """

    if exists(utils.absolute_release_path()):
        current_release_path = run('readlink %s'
                % utils.absolute_release_path())
        if os.path.basename(current_release_path) == env.release_paths[0]:
            alternative = env.release_paths[1]
        else:
            alternative = env.release_paths[0]
        return alternative
    else:
        return env.release_paths[0]
Exemplo n.º 8
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def alternative_release_path():
    """Determine the release directory that is not currently in use.

    For example if the 'current' symlink points to the 'a' release directory,
    this method returns 'b'.

    Requires the env keys:
        release_paths - a tuple of length 2 with the release directory names
                            (defaults to 'a' and 'b')
    """

    if exists(utils.absolute_release_path()):
        current_release_path = run('readlink %s' %
                                   utils.absolute_release_path())
        if os.path.basename(current_release_path) == env.release_paths[0]:
            alternative = env.release_paths[1]
        else:
            alternative = env.release_paths[0]
        return alternative
    else:
        return env.release_paths[0]
Exemplo n.º 9
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def virtualenv_run(command, path=None):
    path = path or absolute_release_path()
    with cd(path):
        run("%s/bin/python %s" % (env.virtualenv, command))
Exemplo n.º 10
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def shell():
    env.release_path = absolute_release_path()
    django_manage_run('shell')
Exemplo n.º 11
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def virtualenv_run(command, path=None):
    path = path or absolute_release_path()
    with cd(path):
        run("%s/bin/python %s" % (env.virtualenv, command))