wf.py

from cloudify.decorators import workflow, operation
from cloudify.workflows import ctx as workflow_ctx


@operation
def sometask(ctx):
    ctx.logger.info('ok {0}'.format(ctx))  # ctx is a CloudifyContext, not a WorkflowContext

@workflow
def updatenow(**_):
    '''Run update-now'''
    workflow_ctx.logger.info('Executing "updatenow" workflow {0!r}'.format(_))
    workflow_ctx.execute_task('foo.sometask')