Ansible Playbook hello_world using Ansible 2.0 API

hello_world_playbook.py

from ansible.cli import CLI
from ansible.executor import playbook_executor
from ansible import inventory
from ansible.parsing import dataloader
from ansible import vars

HOSTS = ['127.0.0.1']
PLAYBOOK = "/tmp/hello.yml"
REMOTE_USER = "user"
SSH_KEY = "/home/user/.ssh/id_rsa"

loader = dataloader.DataLoader()
var_manager = vars.VariableManager()
inv = inventory.Inventory(
    loader=loader,
    variable_manager=var_manager,
    host_list=HOSTS
)

# Need to generate some random huge options structure? Not sure how else to do this
parser = CLI.base_parser(
    connect_opts=True,
    meta_opts=True,
    runas_opts=True,
    subset_opts=True,
    check_opts=True,
    inventory_opts=True,
    runtask_opts=True,
    vault_opts=True,
    fork_opts=True,
    module_opts=True,
)
# This is all copied from playbook.py and slightly simplified
parser.add_option('--list-tasks', dest='listtasks', action='store_true')
parser.add_option('--list-tags', dest='listtags', action='store_true')
parser.add_option('--step', dest='step', action='store_true')
parser.add_option('--start-at-task', dest='start_at_task')

options, _ = parser.parse_args([]) # We literally just need a blank default
options.inventory = inv
# Set remote user and ssh key
options.remote_user = REMOTE_USER
options.private_key_file = SSH_KEY

pbex = playbook_executor.PlaybookExecutor(
    playbooks=[PLAYBOOK],
    inventory=inv,
    variable_manager=var_manager,
    loader=loader,
    options=options,
    passwords=None
)
pbex.run()