molecule-hetznercloud/molecule_hetznercloud/driver.py
2020-04-27 15:02:43 +02:00

106 lines
3.0 KiB
Python

import os
from molecule import logger, util
from molecule.api import Driver
from molecule.util import lru_cache, sysexit_with_message
log = logger.get_logger(__name__)
class HetznerCloud(Driver):
def __init__(self, config=None):
super(HetznerCloud, self).__init__(config)
self._name = "hetznercloud"
@property
def name(self):
return self._name
@name.setter
def name(self, value):
self._name = value
@property
def login_cmd_template(self):
connection_options = " ".join(self.ssh_connection_options)
return (
"ssh {{address}} "
"-l {{user}} "
"-p {{port}} "
"-i {{identity_file}} "
"{}"
).format(connection_options)
@property
def default_safe_files(self):
return [self.instance_config]
@property
def default_ssh_connection_options(self):
return self._get_ssh_connection_options()
def login_options(self, instance_name):
d = {"instance": instance_name}
return util.merge_dicts(d, self._get_instance_config(instance_name))
def ansible_connection_options(self, instance_name):
try:
d = self._get_instance_config(instance_name)
return {
"ansible_user": d["user"],
"ansible_host": d["address"],
"ansible_port": d["port"],
"ansible_private_key_file": d["identity_file"],
"connection": "ssh",
"ansible_ssh_common_args": " ".join(self.ssh_connection_options),
}
except StopIteration:
return {}
except IOError:
return {}
def template_dir(self):
return os.path.join(
os.path.dirname(__file__),
"cookiecutter/scenario/driver/{}".format(self.name),
)
def _get_instance_config(self, instance_name):
instance_config_dict = util.safe_load_file(self._config.driver.instance_config)
return next(
item for item in instance_config_dict if item["instance"] == instance_name
)
@lru_cache()
def sanity_checks(self):
"""Hetzner Cloud driver sanity checks."""
log.info("Sanity checks: '{}'".format(self._name))
try:
import hcloud # noqa
except ImportError:
msg = (
"Missing Hetzner Cloud driver dependency. Please "
"install the 'molecule-hetznercloud' package or "
"refer to your INSTALL.rst driver documentation file"
)
sysexit_with_message(msg)
if "HCLOUD_TOKEN" not in os.environ:
msg = (
"Missing Hetzner Cloud API token. Please expose "
"the HCLOUD_TOKEN environment variable with your "
"account API token value"
)
sysexit_with_message(msg)
def reset(self):
"""Destroy all resources managed by this plugin."""
# TODO(decentral1se): implement if ever needed
pass