openstack/ironic-python-agent
Code Issues Proposed changes

Collect IPv6 address during introspection

Browse Source 
This patch adds support to retrieve IPv6 address.

A new field ``ipv6_address`` is added to NetworkInterface
and store the assigned IPv6 address (if any).

Co-Authored-By: Kaifeng Wang <kaifeng.w@gmail.com>
Change-Id: Ia527a5aa48e3daf66d2be190e43935b38b3bd6f9
Closes-Bug: #1744064
Story: #1744064
Task: #11604
This commit is contained in:
zhengyong 2018-01-21 22:44:33 +08:00 committed by Kaifeng Wang
parent 9008a5cd30
commit 561be77303
4 changed files with 51 additions and 14 deletions
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21
ironic_python_agent/hardware.py
View File

@ -260,15 +260,17 @@ class BlockDevice(encoding.SerializableComparable):
class NetworkInterface(encoding.SerializableComparable):
serializable_fields = ('name', 'mac_address', 'ipv4_address',
'has_carrier', 'lldp', 'vendor', 'product',
'client_id', 'biosdevname')
'ipv6_address', 'has_carrier', 'lldp',
'vendor', 'product', 'client_id',
'biosdevname')
def __init__(self, name, mac_addr, ipv4_address=None, has_carrier=True,
lldp=None, vendor=None, product=None, client_id=None,
biosdevname=None):
def __init__(self, name, mac_addr, ipv4_address=None, ipv6_address=None,
has_carrier=True, lldp=None, vendor=None, product=None,
client_id=None, biosdevname=None):
self.name = name
self.mac_address = mac_addr
self.ipv4_address = ipv4_address
self.ipv6_address = ipv6_address
self.has_carrier = has_carrier
self.lldp = lldp
self.vendor = vendor
@ -582,6 +584,7 @@ class GenericHardwareManager(HardwareManager):
return NetworkInterface(
interface_name, mac_addr,
ipv4_address=self.get_ipv4_addr(interface_name),
ipv6_address=self.get_ipv6_addr(interface_name),
has_carrier=netutils.interface_has_carrier(interface_name),
vendor=_get_device_info(interface_name, 'net', 'vendor'),
product=_get_device_info(interface_name, 'net', 'device'),
@ -590,6 +593,14 @@ class GenericHardwareManager(HardwareManager):
def get_ipv4_addr(self, interface_id):
return netutils.get_ipv4_addr(interface_id)
def get_ipv6_addr(self, interface_id):
"""Get the default IPv6 address assigned to the interface.
With different networking environment, the address could be a
link-local address, ULA or something else.
"""
return netutils.get_ipv6_addr(interface_id)
def get_bios_given_nic_name(self, interface_name):
"""Collect the BIOS given NICs name.

15
ironic_python_agent/netutils.py
View File

@ -203,15 +203,24 @@ def _get_lldp_info(interfaces):
return lldp_info
def get_ipv4_addr(interface_id):
def get_default_ip_addr(type, interface_id):
"""Retrieve default IPv4 or IPv6 address."""
try:
addrs = netifaces.ifaddresses(interface_id)
return addrs[netifaces.AF_INET][0]['addr']
return addrs[type][0]['addr']
except (ValueError, IndexError, KeyError):
# No default IPv4 address found
# No default IP address found
return None
def get_ipv4_addr(interface_id):
return get_default_ip_addr(netifaces.AF_INET, interface_id)
def get_ipv6_addr(interface_id):
return get_default_ip_addr(netifaces.AF_INET6, interface_id)
def get_mac_addr(interface_id):
try:
addrs = netifaces.ifaddresses(interface_id)

24
ironic_python_agent/tests/unit/test_hardware.py
View File

@ -513,7 +513,8 @@ class TestGenericHardwareManager(base.IronicAgentTest):
read_mock = mocked_open.return_value.read
read_mock.side_effect = ['1']
mocked_ifaddresses.return_value = {
netifaces.AF_INET: [{'addr': '192.168.1.2'}]
netifaces.AF_INET: [{'addr': '192.168.1.2'}],
netifaces.AF_INET6: [{'addr': 'fd00::101'}]
}
mocked_execute.return_value = ('em0\n', '')
mock_get_mac.mock_has_carrier = True
@ -523,6 +524,7 @@ class TestGenericHardwareManager(base.IronicAgentTest):
self.assertEqual('eth0', interfaces[0].name)
self.assertEqual('00:0c:29:8c:11:b1', interfaces[0].mac_address)
self.assertEqual('192.168.1.2', interfaces[0].ipv4_address)
self.assertEqual('fd00::101', interfaces[0].ipv6_address)
self.assertIsNone(interfaces[0].lldp)
self.assertTrue(interfaces[0].has_carrier)
self.assertEqual('em0', interfaces[0].biosdevname)
@ -552,7 +554,8 @@ class TestGenericHardwareManager(base.IronicAgentTest):
read_mock = mocked_open.return_value.read
read_mock.side_effect = ['1']
mocked_ifaddresses.return_value = {
netifaces.AF_INET: [{'addr': '192.168.1.2'}]
netifaces.AF_INET: [{'addr': '192.168.1.2'}],
netifaces.AF_INET6: [{'addr': 'fd00::101'}]
}
mocked_execute.return_value = ('em0\n', '')
mock_get_mac.return_value = '00:0c:29:8c:11:b1'
@ -562,6 +565,7 @@ class TestGenericHardwareManager(base.IronicAgentTest):
self.assertEqual('eth0', interfaces[0].name)
self.assertEqual('00:0c:29:8c:11:b1', interfaces[0].mac_address)
self.assertEqual('192.168.1.2', interfaces[0].ipv4_address)
self.assertEqual('fd00::101', interfaces[0].ipv6_address)
self.assertIsNone(interfaces[0].lldp)
self.assertTrue(interfaces[0].has_carrier)
self.assertEqual('em0', interfaces[0].biosdevname)
@ -645,7 +649,8 @@ class TestGenericHardwareManager(base.IronicAgentTest):
read_mock = mocked_open.return_value.read
read_mock.side_effect = ['1']
mocked_ifaddresses.return_value = {
netifaces.AF_INET: [{'addr': '192.168.1.2'}]
netifaces.AF_INET: [{'addr': '192.168.1.2'}],
netifaces.AF_INET6: [{'addr': 'fd00::101'}]
}
mocked_lldp_info.return_value = {'eth0': [
(0, b''),
@ -661,6 +666,7 @@ class TestGenericHardwareManager(base.IronicAgentTest):
self.assertEqual('eth0', interfaces[0].name)
self.assertEqual('00:0c:29:8c:11:b1', interfaces[0].mac_address)
self.assertEqual('192.168.1.2', interfaces[0].ipv4_address)
self.assertEqual('fd00::101', interfaces[0].ipv6_address)
expected_lldp_info = [
(0, ''),
(1, '04885a92ec5459'),
@ -693,7 +699,8 @@ class TestGenericHardwareManager(base.IronicAgentTest):
read_mock = mocked_open.return_value.read
read_mock.side_effect = ['1']
mocked_ifaddresses.return_value = {
netifaces.AF_INET: [{'addr': '192.168.1.2'}]
netifaces.AF_INET: [{'addr': '192.168.1.2'}],
netifaces.AF_INET6: [{'addr': 'fd00::101'}]
}
mocked_lldp_info.side_effect = Exception('Boom!')
mocked_execute.return_value = ('em0\n', '')
@ -704,6 +711,7 @@ class TestGenericHardwareManager(base.IronicAgentTest):
self.assertEqual('eth0', interfaces[0].name)
self.assertEqual('00:0c:29:8c:11:b1', interfaces[0].mac_address)
self.assertEqual('192.168.1.2', interfaces[0].ipv4_address)
self.assertEqual('fd00::101', interfaces[0].ipv6_address)
self.assertIsNone(interfaces[0].lldp)
self.assertTrue(interfaces[0].has_carrier)
self.assertEqual('em0', interfaces[0].biosdevname)
@ -734,7 +742,8 @@ class TestGenericHardwareManager(base.IronicAgentTest):
read_mock = mocked_open.return_value.read
read_mock.side_effect = [OSError('boom')]
mocked_ifaddresses.return_value = {
netifaces.AF_INET: [{'addr': '192.168.1.2'}]
netifaces.AF_INET: [{'addr': '192.168.1.2'}],
netifaces.AF_INET6: [{'addr': 'fd00::101'}]
}
mocked_execute.return_value = ('em0\n', '')
mock_has_carrier.return_value = False
@ -744,6 +753,7 @@ class TestGenericHardwareManager(base.IronicAgentTest):
self.assertEqual('eth0', interfaces[0].name)
self.assertEqual('00:0c:29:8c:11:b1', interfaces[0].mac_address)
self.assertEqual('192.168.1.2', interfaces[0].ipv4_address)
self.assertEqual('fd00::101', interfaces[0].ipv6_address)
self.assertFalse(interfaces[0].has_carrier)
self.assertIsNone(interfaces[0].vendor)
self.assertEqual('em0', interfaces[0].biosdevname)
@ -774,7 +784,8 @@ class TestGenericHardwareManager(base.IronicAgentTest):
mac = '00:0c:29:8c:11:b1'
read_mock.side_effect = ['0x15b3\n', '0x1014\n']
mocked_ifaddresses.return_value = {
netifaces.AF_INET: [{'addr': '192.168.1.2'}]
netifaces.AF_INET: [{'addr': '192.168.1.2'}],
netifaces.AF_INET6: [{'addr': 'fd00::101'}]
}
mocked_execute.return_value = ('em0\n', '')
mock_has_carrier.return_value = True
@ -784,6 +795,7 @@ class TestGenericHardwareManager(base.IronicAgentTest):
self.assertEqual('eth0', interfaces[0].name)
self.assertEqual(mac, interfaces[0].mac_address)
self.assertEqual('192.168.1.2', interfaces[0].ipv4_address)
self.assertEqual('fd00::101', interfaces[0].ipv6_address)
self.assertTrue(interfaces[0].has_carrier)
self.assertEqual('0x15b3', interfaces[0].vendor)
self.assertEqual('0x1014', interfaces[0].product)

5
releasenotes/notes/support-collecting-ipv6-address-dd819d543f851a63.yaml Normal file
View File

@ -0,0 +1,5 @@
---
fixes:
- Adds support to collect the default IPv6 address for interfaces. With
different networking environment, the address could be a link-local
address, ULA or something else.