#  Copyright (c) 2015-2016 Cisco Systems, Inc.
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import os

import sh

from molecule import util
from molecule.verifier import base


class AnsibleLint(base.Base):
    """
    This is likely to be the source of issues.  The class was implemented to
    bring standardization to roles managed by molecule.  How we further refine
    this class, and its usage is up for discussion.
    """

    def __init__(self, molecule):
        super(AnsibleLint, self).__init__(molecule)
        self._playbook = molecule.config.config['ansible']['playbook']
        self._ignore_paths = molecule.config.config['molecule']['ignore_paths']
        self._debug = molecule.args.get('debug')

    def execute(self):
        """
        Executes ansible-lint against the configured playbook and returns
        None.

        :return: None
        """
        env = os.environ.copy()
        env.update({
            'ANSIBLE_CONFIG':
            self._molecule.config.config['ansible']['config_file']
        })
        if 'ansible_lint' not in self._molecule.disabled:
            msg = 'Executing ansible-lint...'
            util.print_info(msg)
            args = [self._playbook]
            [args.extend(["--exclude", path]) for path in self._ignore_paths]
            cmd = sh.ansible_lint.bake(
                *args,
                _env=env,
                _out=util.callback_info,
                _err=util.callback_error)
            util.run_command(cmd, debug=self._debug)
