59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
# Copyright (c) 2017 StackHPC Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import subprocess
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from kayobe import utils
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VAULT_PASSWORD_ENV = "KAYOBE_VAULT_PASSWORD"
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def _get_default_vault_password_file():
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"""Return the default value for the vault password file argument.
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It is possible to use an environment variable to avoid typing the vault
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password.
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"""
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if not os.getenv(VAULT_PASSWORD_ENV):
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return None
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cmd = ["which", "kayobe-vault-password-helper"]
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try:
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output = utils.run_command(cmd, check_output=True)
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except subprocess.CalledProcessError:
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return None
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return output.strip()
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def add_args(parser):
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"""Add arguments required for running Ansible playbooks to a parser."""
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default_vault_password_file = _get_default_vault_password_file()
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vault = parser.add_mutually_exclusive_group()
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vault.add_argument("--ask-vault-pass", action="store_true",
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help="ask for vault password")
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vault.add_argument("--vault-password-file", metavar="VAULT_PASSWORD_FILE",
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default=default_vault_password_file,
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help="vault password file")
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def build_args(parsed_args):
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"""Build a list of command line arguments for use with ansible-playbook."""
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cmd = []
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if parsed_args.ask_vault_pass:
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cmd += ["--ask-vault-pass"]
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elif parsed_args.vault_password_file:
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cmd += ["--vault-password-file", parsed_args.vault_password_file]
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return cmd
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