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|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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# NVMe initiator related facts collection for Ansible.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import sys
import subprocess
import ansible.module_utils.compat.typing as t
from ansible.module_utils.facts.utils import get_file_content
from ansible.module_utils.facts.network.base import NetworkCollector
class NvmeInitiatorNetworkCollector(NetworkCollector):
name = 'nvme'
_fact_ids = set() # type: t.Set[str]
def collect(self, module=None, collected_facts=None):
"""
Currently NVMe is only supported in some Linux distributions.
If NVMe is configured on the host then a file will have been created
during the NVMe driver installation. This file holds the unique NQN
of the host.
Example of contents of /etc/nvme/hostnqn:
# cat /etc/nvme/hostnqn
nqn.2014-08.org.nvmexpress:fc_lif:uuid:2cd61a74-17f9-4c22-b350-3020020c458d
"""
nvme_facts = {}
nvme_facts['hostnqn'] = ""
if sys.platform.startswith('linux'):
for line in get_file_content('/etc/nvme/hostnqn', '').splitlines():
if line.startswith('#') or line.startswith(';') or line.strip() == '':
continue
if line.startswith('nqn.'):
nvme_facts['hostnqn'] = line
break
return nvme_facts