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"""Ansible Verifier Module."""

import logging
import os

from molecule import util
from molecule.api import Verifier

log = logging.getLogger(__name__)


class Ansible(Verifier):
    """
    `Ansible`_ is the default test verifier.

    Molecule executes a playbook (`verify.yml`) located in the role's
    `scenario.directory`.

    .. code-block:: yaml

        verifier:
          name: ansible

    The testing can be disabled by setting ``enabled`` to False.

    .. code-block:: yaml

        verifier:
          name: ansible
          enabled: False

    Environment variables can be passed to the verifier.

    .. code-block:: yaml

        verifier:
          name: ansible
          env:
            FOO: bar
    """

    @property
    def name(self):
        return "ansible"

    @property
    def default_options(self):
        return {}

    @property
    def default_env(self):
        env = util.merge_dicts(os.environ, self._config.env)
        return util.merge_dicts(env, self._config.provisioner.env)

    def execute(self):
        if not self.enabled:
            msg = "Skipping, verifier is disabled."
            log.warning(msg)
            return

        msg = "Running Ansible Verifier"
        log.info(msg)

        self._config.provisioner.verify()

        msg = "Verifier completed successfully."
        log.info(msg)

    def schema(self):
        return {
            "verifier": {
                "type": "dict",
                "schema": {"name": {"type": "string", "allowed": ["ansible"]}},
            }
        }