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# iSCSI 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.common.process import get_bin_path
from ansible.module_utils.facts.utils import get_file_content
from ansible.module_utils.facts.network.base import NetworkCollector
class IscsiInitiatorNetworkCollector(NetworkCollector):
name = 'iscsi'
_fact_ids = set() # type: t.Set[str]
def collect(self, module=None, collected_facts=None):
"""
Example of contents of /etc/iscsi/initiatorname.iscsi:
## DO NOT EDIT OR REMOVE THIS FILE!
## If you remove this file, the iSCSI daemon will not start.
## If you change the InitiatorName, existing access control lists
## may reject this initiator. The InitiatorName must be unique
## for each iSCSI initiator. Do NOT duplicate iSCSI InitiatorNames.
InitiatorName=iqn.1993-08.org.debian:01:44a42c8ddb8b
Example of output from the AIX lsattr command:
# lsattr -E -l iscsi0
disc_filename /etc/iscsi/targets Configuration file False
disc_policy file Discovery Policy True
initiator_name iqn.localhost.hostid.7f000002 iSCSI Initiator Name True
isns_srvnames auto iSNS Servers IP Addresses True
isns_srvports iSNS Servers Port Numbers True
max_targets 16 Maximum Targets Allowed True
num_cmd_elems 200 Maximum number of commands to queue to driver True
Example of output from the HP-UX iscsiutil command:
#iscsiutil -l
Initiator Name : iqn.1986-03.com.hp:mcel_VMhost3.1f355cf6-e2db-11e0-a999-b44c0aef5537
Initiator Alias :
Authentication Method : None
CHAP Method : CHAP_UNI
Initiator CHAP Name :
CHAP Secret :
NAS Hostname :
NAS Secret :
Radius Server Hostname :
Header Digest : None, CRC32C (default)
Data Digest : None, CRC32C (default)
SLP Scope list for iSLPD :
"""
iscsi_facts = {}
iscsi_facts['iscsi_iqn'] = ""
if sys.platform.startswith('linux') or sys.platform.startswith('sunos'):
for line in get_file_content('/etc/iscsi/initiatorname.iscsi', '').splitlines():
if line.startswith('#') or line.startswith(';') or line.strip() == '':
continue
if line.startswith('InitiatorName='):
iscsi_facts['iscsi_iqn'] = line.split('=', 1)[1]
break
elif sys.platform.startswith('aix'):
try:
cmd = get_bin_path('lsattr')
except ValueError:
return iscsi_facts
cmd += " -E -l iscsi0"
rc, out, err = module.run_command(cmd)
if rc == 0 and out:
line = self.findstr(out, 'initiator_name')
iscsi_facts['iscsi_iqn'] = line.split()[1].rstrip()
elif sys.platform.startswith('hp-ux'):
# try to find it in the default PATH and opt_dirs
try:
cmd = get_bin_path('iscsiutil', opt_dirs=['/opt/iscsi/bin'])
except ValueError:
return iscsi_facts
cmd += " -l"
rc, out, err = module.run_command(cmd)
if out:
line = self.findstr(out, 'Initiator Name')
iscsi_facts['iscsi_iqn'] = line.split(":", 1)[1].rstrip()
return iscsi_facts
def findstr(self, text, match):
for line in text.splitlines():
if match in line:
found = line
return found
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