openstack/ironic
Code Issues Proposed changes

Merge "Fix IPv6 iPXE support"

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Zuul 2019-01-08 17:41:48 +00:00 committed by Gerrit Code Review
commit 2db4157416
3 changed files with 43 additions and 2 deletions
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24
ironic/common/pxe_utils.py
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@ -465,15 +465,35 @@ def dhcp_options_for_instance(task, ipxe_enabled=False, url_boot=False):
# if the request comes from dumb firmware send them the iPXE
# boot image.
if dhcp_provider_name == 'neutron':
# Neutron use dnsmasq as default DHCP agent, add extra config
# to neutron "dhcp-match=set:ipxe,175" and use below option
# Neutron use dnsmasq as default DHCP agent. Neutron carries the
# configuration to relate to the tags below. The ipxe6 tag was
# added in the Stein cycle which identifies the iPXE User-Class
# directly and is only sent in DHCPv6.
# NOTE(TheJulia): Lets send both, let neutron tag/sort it out as
# an ip_version field is also transmitted. Plus, given the
# semi-obscure nature of this, being more verbose and letting
# the DHCP server do the best thing possible is likely the best
# course of action.
dhcp_opts.append({'opt_name': "tag:!ipxe,%s" % boot_file_param,
'opt_value': boot_file})
dhcp_opts.append({'opt_name': "tag:!ipxe6,%s" % boot_file_param,
'opt_value': boot_file})
dhcp_opts.append({'opt_name': "tag:ipxe,%s" % boot_file_param,
'opt_value': ipxe_script_url})
dhcp_opts.append({'opt_name': "tag:ipxe6,%s" % boot_file_param,
'opt_value': ipxe_script_url})
else:
# !175 == non-iPXE.
# http://ipxe.org/howto/dhcpd#ipxe-specific_options
if ip_version == 6:
LOG.warning('IPv6 is enabled and the DHCP driver appears set '
'to a plugin aside from "neutron". Node %(name)s '
'may not receive proper DHCPv6 provided '
'boot parameters.'.format(name=task.node.uuid))
# NOTE(TheJulia): This was added for ISC DHCPd support, however it
# appears that isc support was never added to neutron and is likely
# a down stream driver.
dhcp_opts.append({'opt_name': "!%s,%s" % (DHCP_IPXE_ENCAP_OPTS,
boot_file_param),
'opt_value': boot_file})

13
ironic/tests/unit/common/test_pxe_utils.py
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@ -860,13 +860,23 @@ class TestPXEUtils(db_base.DbTestCase):
expected_info = [{'opt_name': 'tag:!ipxe,59',
'opt_value': 'tftp://[ff80::1]/fake-bootfile',
'ip_version': ip_version},
{'opt_name': 'tag:!ipxe6,59',
'opt_value': 'tftp://[ff80::1]/fake-bootfile',
'ip_version': ip_version},
{'opt_name': 'tag:ipxe,59',
'opt_value': expected_boot_script_url,
'ip_version': ip_version},
{'opt_name': 'tag:ipxe6,59',
'opt_value': expected_boot_script_url,
'ip_version': ip_version}]
elif ip_version == 4:
expected_info = [{'opt_name': 'tag:!ipxe,67',
'opt_value': boot_file,
'ip_version': ip_version},
{'opt_name': 'tag:!ipxe6,67',
'opt_value': boot_file,
'ip_version': ip_version},
{'opt_name': '66',
'opt_value': '192.0.2.1',
'ip_version': ip_version},
@ -876,6 +886,9 @@ class TestPXEUtils(db_base.DbTestCase):
{'opt_name': 'tag:ipxe,67',
'opt_value': expected_boot_script_url,
'ip_version': ip_version},
{'opt_name': 'tag:ipxe6,67',
'opt_value': expected_boot_script_url,
'ip_version': ip_version},
{'opt_name': 'server-ip-address',
'opt_value': '192.0.2.1',
'ip_version': ip_version}]

8
releasenotes/notes/ipxe-with-dhcpv6-2bc7bd7f53a70f51.yaml Normal file
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@ -0,0 +1,8 @@
---
fixes:
- |
Fixes an issue has been corrected where hosts executing ``iPXE`` to boot
would error indicating that no configuration was found for networks where
IPv6 is in use. This has been remedied through a minor addition to the
Networking service in the Stein development cycle. For more information
please see `story 2004502 <https://storyboard.openstack.org/#!/story/2004502>`_.