56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
# NVMe initiator related facts collection for Ansible.
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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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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import sys
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import subprocess
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from ansible.module_utils.facts.utils import get_file_content
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from ansible.module_utils.facts.network.base import NetworkCollector
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class NvmeInitiatorNetworkCollector(NetworkCollector):
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name = 'nvme'
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_fact_ids = set()
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def collect(self, module=None, collected_facts=None):
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"""
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Currently NVMe is only supported in some Linux distributions.
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If NVMe is configured on the host then a file will have been created
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during the NVMe driver installation. This file holds the unique NQN
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of the host.
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Example of contents of /etc/nvme/hostnqn:
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# cat /etc/nvme/hostnqn
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nqn.2014-08.org.nvmexpress:fc_lif:uuid:2cd61a74-17f9-4c22-b350-3020020c458d
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"""
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nvme_facts = {}
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nvme_facts['hostnqn'] = ""
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if sys.platform.startswith('linux'):
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for line in get_file_content('/etc/nvme/hostnqn', '').splitlines():
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if line.startswith('#') or line.startswith(';') or line.strip() == '':
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continue
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if line.startswith('nqn.'):
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nvme_facts['hostnqn'] = line
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break
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return nvme_facts
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