111 lines
3.6 KiB
Python
111 lines
3.6 KiB
Python
# (c) 2015, Jonathan Davila <jdavila(at)ansible.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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# USAGE: {{ lookup('hashi_vault', 'secret=secret/hello:value token=c975b780-d1be-8016-866b-01d0f9b688a5 url=http://myvault:8200')}}
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#
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# You can skip setting the url if you set the VAULT_ADDR environment variable
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# or if you want it to default to localhost:8200
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#
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# NOTE: Due to a current limitation in the HVAC library there won't
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# necessarily be an error if a bad endpoint is specified.
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#
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# Requires hvac library. Install with pip.
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#
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import os
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from ansible.errors import AnsibleError
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from ansible.plugins.lookup import LookupBase
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ANSIBLE_HASHI_VAULT_ADDR = 'http://127.0.0.1:8200'
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if os.getenv('VAULT_ADDR') is not None:
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ANSIBLE_HASHI_VAULT_ADDR = os.environ['VAULT_ADDR']
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class HashiVault:
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def __init__(self, **kwargs):
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try:
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import hvac
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except ImportError:
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raise AnsibleError("Please pip install hvac to use this module")
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self.url = kwargs.get('url', ANSIBLE_HASHI_VAULT_ADDR)
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self.token = kwargs.get('token')
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if self.token==None:
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raise AnsibleError("No Vault Token specified")
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# split secret arg, which has format 'secret/hello:value' into secret='secret/hello' and secret_field='value'
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s = kwargs.get('secret')
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if s==None:
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raise AnsibleError("No secret specified")
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s_f = s.split(':')
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self.secret = s_f[0]
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if len(s_f)>=2:
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self.secret_field = s_f[1]
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else:
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self.secret_field = 'value'
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self.client = hvac.Client(url=self.url, token=self.token)
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if self.client.is_authenticated():
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pass
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else:
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raise AnsibleError("Invalid Hashicorp Vault Token Specified")
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def get(self):
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data = self.client.read(self.secret)
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if data is None:
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raise AnsibleError("The secret %s doesn't seem to exist" % self.secret)
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if self.secret_field=='': # secret was specified with trailing ':'
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return data['data']
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if self.secret_field not in data['data']:
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raise AnsibleError("The secret %s does not contain the field '%s'. " % (self.secret, self.secret_field))
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return data['data'][self.secret_field]
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class LookupModule(LookupBase):
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def run(self, terms, variables, **kwargs):
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vault_args = terms[0].split(' ')
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vault_dict = {}
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ret = []
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for param in vault_args:
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try:
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key, value = param.split('=')
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except ValueError as e:
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raise AnsibleError("hashi_vault plugin needs key=value pairs, but received %s" % terms)
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vault_dict[key] = value
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vault_conn = HashiVault(**vault_dict)
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for term in terms:
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key = term.split()[0]
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value = vault_conn.get()
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ret.append(value)
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return ret
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