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-rw-r--r--cloudinit/net/network_state.py10
-rw-r--r--cloudinit/sources/DataSourceOpenNebula.py104
-rw-r--r--tests/unittests/test_datasource/test_opennebula.py266
3 files changed, 261 insertions, 119 deletions
diff --git a/cloudinit/net/network_state.py b/cloudinit/net/network_state.py
index 1dd7ded7..6d63e5c5 100644
--- a/cloudinit/net/network_state.py
+++ b/cloudinit/net/network_state.py
@@ -708,6 +708,7 @@ class NetworkStateInterpreter(object):
gateway4 = None
gateway6 = None
+ nameservers = {}
for address in cfg.get('addresses', []):
subnet = {
'type': 'static',
@@ -723,6 +724,15 @@ class NetworkStateInterpreter(object):
gateway4 = cfg.get('gateway4')
subnet.update({'gateway': gateway4})
+ if 'nameservers' in cfg and not nameservers:
+ addresses = cfg.get('nameservers').get('addresses')
+ if addresses:
+ nameservers['dns_nameservers'] = addresses
+ search = cfg.get('nameservers').get('search')
+ if search:
+ nameservers['dns_search'] = search
+ subnet.update(nameservers)
+
subnets.append(subnet)
routes = []
diff --git a/cloudinit/sources/DataSourceOpenNebula.py b/cloudinit/sources/DataSourceOpenNebula.py
index 9450835e..02cb98f7 100644
--- a/cloudinit/sources/DataSourceOpenNebula.py
+++ b/cloudinit/sources/DataSourceOpenNebula.py
@@ -20,7 +20,6 @@ import string
from cloudinit import log as logging
from cloudinit import net
-from cloudinit.net import eni
from cloudinit import sources
from cloudinit import util
@@ -91,15 +90,15 @@ class DataSourceOpenNebula(sources.DataSource):
return False
self.seed = seed
- self.network_eni = results.get('network-interfaces')
+ self.network = results.get('network-interfaces')
self.metadata = md
self.userdata_raw = results.get('userdata')
return True
@property
def network_config(self):
- if self.network_eni is not None:
- return eni.convert_eni_data(self.network_eni)
+ if self.network is not None:
+ return self.network
else:
return None
@@ -143,18 +142,42 @@ class OpenNebulaNetwork(object):
def mac2network(self, mac):
return self.mac2ip(mac).rpartition(".")[0] + ".0"
- def get_dns(self, dev):
- return self.get_field(dev, "dns", "").split()
+ def get_nameservers(self, dev):
+ nameservers = {}
+ dns = self.get_field(dev, "dns", "").split()
+ dns.extend(self.context.get('DNS', "").split())
+ if dns:
+ nameservers['addresses'] = dns
+ search_domain = self.get_field(dev, "search_domain", "").split()
+ if search_domain:
+ nameservers['search'] = search_domain
+ return nameservers
- def get_domain(self, dev):
- return self.get_field(dev, "domain")
+ def get_mtu(self, dev):
+ return self.get_field(dev, "mtu")
def get_ip(self, dev, mac):
return self.get_field(dev, "ip", self.mac2ip(mac))
+ def get_ip6(self, dev):
+ addresses6 = []
+ ip6 = self.get_field(dev, "ip6")
+ if ip6:
+ addresses6.append(ip6)
+ ip6_ula = self.get_field(dev, "ip6_ula")
+ if ip6_ula:
+ addresses6.append(ip6_ula)
+ return addresses6
+
+ def get_ip6_prefix(self, dev):
+ return self.get_field(dev, "ip6_prefix_length", "64")
+
def get_gateway(self, dev):
return self.get_field(dev, "gateway")
+ def get_gateway6(self, dev):
+ return self.get_field(dev, "gateway6")
+
def get_mask(self, dev):
return self.get_field(dev, "mask", "255.255.255.0")
@@ -171,10 +194,11 @@ class OpenNebulaNetwork(object):
return default if val in (None, "") else val
def gen_conf(self):
- global_dns = self.context.get('DNS', "").split()
-
- conf = ['auto lo', 'iface lo inet loopback', '']
+ netconf = {}
+ netconf['version'] = 2
+ netconf['ethernets'] = {}
+ ethernets = {}
for mac, dev in self.ifaces.items():
mac = mac.lower()
@@ -182,29 +206,49 @@ class OpenNebulaNetwork(object):
# dev stores the current system name.
c_dev = self.context_devname.get(mac, dev)
- conf.append('auto ' + dev)
- conf.append('iface ' + dev + ' inet static')
- conf.append(' #hwaddress %s' % mac)
- conf.append(' address ' + self.get_ip(c_dev, mac))
- conf.append(' network ' + self.get_network(c_dev, mac))
- conf.append(' netmask ' + self.get_mask(c_dev))
+ devconf = {}
+
+ # Set MAC address
+ devconf['match'] = {'macaddress': mac}
+ # Set IPv4 address
+ devconf['addresses'] = []
+ mask = self.get_mask(c_dev)
+ prefix = str(net.mask_to_net_prefix(mask))
+ devconf['addresses'].append(
+ self.get_ip(c_dev, mac) + '/' + prefix)
+
+ # Set IPv6 Global and ULA address
+ addresses6 = self.get_ip6(c_dev)
+ if addresses6:
+ prefix6 = self.get_ip6_prefix(c_dev)
+ devconf['addresses'].extend(
+ [i + '/' + prefix6 for i in addresses6])
+
+ # Set IPv4 default gateway
gateway = self.get_gateway(c_dev)
if gateway:
- conf.append(' gateway ' + gateway)
+ devconf['gateway4'] = gateway
+
+ # Set IPv6 default gateway
+ gateway6 = self.get_gateway6(c_dev)
+ if gateway:
+ devconf['gateway6'] = gateway6
- domain = self.get_domain(c_dev)
- if domain:
- conf.append(' dns-search ' + domain)
+ # Set DNS servers and search domains
+ nameservers = self.get_nameservers(c_dev)
+ if nameservers:
+ devconf['nameservers'] = nameservers
- # add global DNS servers to all interfaces
- dns = self.get_dns(c_dev)
- if global_dns or dns:
- conf.append(' dns-nameservers ' + ' '.join(global_dns + dns))
+ # Set MTU size
+ mtu = self.get_mtu(c_dev)
+ if mtu:
+ devconf['mtu'] = mtu
- conf.append('')
+ ethernets[dev] = devconf
- return "\n".join(conf)
+ netconf['ethernets'] = ethernets
+ return(netconf)
def find_candidate_devs():
@@ -390,10 +434,10 @@ def read_context_disk_dir(source_dir, asuser=None):
except TypeError:
LOG.warning("Failed base64 decoding of userdata")
- # generate static /etc/network/interfaces
+ # generate Network Configuration v2
# only if there are any required context variables
- # http://opennebula.org/documentation:rel3.8:cong#network_configuration
- ipaddr_keys = [k for k in context if re.match(r'^ETH\d+_IP$', k)]
+ # http://docs.opennebula.org/5.4/operation/references/template.html#context-section
+ ipaddr_keys = [k for k in context if re.match(r'^ETH\d+_IP.*$', k)]
if ipaddr_keys:
onet = OpenNebulaNetwork(context)
results['network-interfaces'] = onet.gen_conf()
diff --git a/tests/unittests/test_datasource/test_opennebula.py b/tests/unittests/test_datasource/test_opennebula.py
index 5c3ba012..ab42f344 100644
--- a/tests/unittests/test_datasource/test_opennebula.py
+++ b/tests/unittests/test_datasource/test_opennebula.py
@@ -4,7 +4,6 @@ from cloudinit import helpers
from cloudinit.sources import DataSourceOpenNebula as ds
from cloudinit import util
from cloudinit.tests.helpers import mock, populate_dir, CiTestCase
-from textwrap import dedent
import os
import pwd
@@ -33,6 +32,11 @@ HOSTNAME = 'foo.example.com'
PUBLIC_IP = '10.0.0.3'
MACADDR = '02:00:0a:12:01:01'
IP_BY_MACADDR = '10.18.1.1'
+IP4_PREFIX = '24'
+IP6_GLOBAL = '2001:db8:1:0:400:c0ff:fea8:1ba'
+IP6_ULA = 'fd01:dead:beaf:0:400:c0ff:fea8:1ba'
+IP6_GW = '2001:db8:1::ffff'
+IP6_PREFIX = '48'
DS_PATH = "cloudinit.sources.DataSourceOpenNebula"
@@ -221,7 +225,9 @@ class TestOpenNebulaDataSource(CiTestCase):
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('network-interfaces' in results)
- self.assertTrue(IP_BY_MACADDR in results['network-interfaces'])
+ self.assertTrue(
+ IP_BY_MACADDR + '/' + IP4_PREFIX in
+ results['network-interfaces']['ethernets'][dev]['addresses'])
# ETH0_IP and ETH0_MAC
populate_context_dir(
@@ -229,7 +235,9 @@ class TestOpenNebulaDataSource(CiTestCase):
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('network-interfaces' in results)
- self.assertTrue(IP_BY_MACADDR in results['network-interfaces'])
+ self.assertTrue(
+ IP_BY_MACADDR + '/' + IP4_PREFIX in
+ results['network-interfaces']['ethernets'][dev]['addresses'])
# ETH0_IP with empty string and ETH0_MAC
# in the case of using Virtual Network contains
@@ -239,55 +247,91 @@ class TestOpenNebulaDataSource(CiTestCase):
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('network-interfaces' in results)
- self.assertTrue(IP_BY_MACADDR in results['network-interfaces'])
+ self.assertTrue(
+ IP_BY_MACADDR + '/' + IP4_PREFIX in
+ results['network-interfaces']['ethernets'][dev]['addresses'])
- # ETH0_NETWORK
+ # ETH0_MASK
populate_context_dir(
self.seed_dir, {
'ETH0_IP': IP_BY_MACADDR,
'ETH0_MAC': MACADDR,
- 'ETH0_NETWORK': '10.18.0.0'
+ 'ETH0_MASK': '255.255.0.0'
})
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('network-interfaces' in results)
- self.assertTrue('10.18.0.0' in results['network-interfaces'])
+ self.assertTrue(
+ IP_BY_MACADDR + '/16' in
+ results['network-interfaces']['ethernets'][dev]['addresses'])
- # ETH0_NETWORK with empty string
+ # ETH0_MASK with empty string
populate_context_dir(
self.seed_dir, {
'ETH0_IP': IP_BY_MACADDR,
'ETH0_MAC': MACADDR,
- 'ETH0_NETWORK': ''
+ 'ETH0_MASK': ''
})
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('network-interfaces' in results)
- self.assertTrue('10.18.1.0' in results['network-interfaces'])
+ self.assertTrue(
+ IP_BY_MACADDR + '/' + IP4_PREFIX in
+ results['network-interfaces']['ethernets'][dev]['addresses'])
- # ETH0_MASK
+ # ETH0_IP6
populate_context_dir(
self.seed_dir, {
- 'ETH0_IP': IP_BY_MACADDR,
+ 'ETH0_IP6': IP6_GLOBAL,
'ETH0_MAC': MACADDR,
- 'ETH0_MASK': '255.255.0.0'
})
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('network-interfaces' in results)
- self.assertTrue('255.255.0.0' in results['network-interfaces'])
+ self.assertTrue(
+ IP6_GLOBAL + '/64' in
+ results['network-interfaces']['ethernets'][dev]['addresses'])
- # ETH0_MASK with empty string
+ # ETH0_IP6_ULA
populate_context_dir(
self.seed_dir, {
- 'ETH0_IP': IP_BY_MACADDR,
+ 'ETH0_IP6_ULA': IP6_ULA,
+ 'ETH0_MAC': MACADDR,
+ })
+ results = ds.read_context_disk_dir(self.seed_dir)
+
+ self.assertTrue('network-interfaces' in results)
+ self.assertTrue(
+ IP6_ULA + '/64' in
+ results['network-interfaces']['ethernets'][dev]['addresses'])
+
+ # ETH0_IP6 and ETH0_IP6_PREFIX_LENGTH
+ populate_context_dir(
+ self.seed_dir, {
+ 'ETH0_IP6': IP6_GLOBAL,
+ 'ETH0_IP6_PREFIX_LENGTH': IP6_PREFIX,
+ 'ETH0_MAC': MACADDR,
+ })
+ results = ds.read_context_disk_dir(self.seed_dir)
+
+ self.assertTrue('network-interfaces' in results)
+ self.assertTrue(
+ IP6_GLOBAL + '/' + IP6_PREFIX in
+ results['network-interfaces']['ethernets'][dev]['addresses'])
+
+ # ETH0_IP6 and ETH0_IP6_PREFIX_LENGTH with empty string
+ populate_context_dir(
+ self.seed_dir, {
+ 'ETH0_IP6': IP6_GLOBAL,
+ 'ETH0_IP6_PREFIX_LENGTH': '',
'ETH0_MAC': MACADDR,
- 'ETH0_MASK': ''
})
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('network-interfaces' in results)
- self.assertTrue('255.255.255.0' in results['network-interfaces'])
+ self.assertTrue(
+ IP6_GLOBAL + '/64' in
+ results['network-interfaces']['ethernets'][dev]['addresses'])
def test_find_candidates(self):
def my_devs_with(criteria):
@@ -310,108 +354,152 @@ class TestOpenNebulaNetwork(unittest.TestCase):
system_nics = ('eth0', 'ens3')
- def test_lo(self):
- net = ds.OpenNebulaNetwork(context={}, system_nics_by_mac={})
- self.assertEqual(net.gen_conf(), u'''\
-auto lo
-iface lo inet loopback
-''')
-
@mock.patch(DS_PATH + ".get_physical_nics_by_mac")
def test_eth0(self, m_get_phys_by_mac):
for nic in self.system_nics:
m_get_phys_by_mac.return_value = {MACADDR: nic}
net = ds.OpenNebulaNetwork({})
- self.assertEqual(net.gen_conf(), dedent("""\
- auto lo
- iface lo inet loopback
-
- auto {dev}
- iface {dev} inet static
- #hwaddress {macaddr}
- address 10.18.1.1
- network 10.18.1.0
- netmask 255.255.255.0
- """.format(dev=nic, macaddr=MACADDR)))
+ expected = {
+ 'version': 2,
+ 'ethernets': {
+ nic: {
+ 'match': {'macaddress': MACADDR},
+ 'addresses': [IP_BY_MACADDR + '/' + IP4_PREFIX]}}}
+
+ self.assertEqual(net.gen_conf(), expected)
def test_eth0_override(self):
+ self.maxDiff = None
context = {
'DNS': '1.2.3.8',
- 'ETH0_IP': '10.18.1.1',
- 'ETH0_NETWORK': '10.18.0.0',
- 'ETH0_MASK': '255.255.0.0',
+ 'ETH0_DNS': '1.2.3.6 1.2.3.7',
'ETH0_GATEWAY': '1.2.3.5',
- 'ETH0_DOMAIN': 'example.com',
+ 'ETH0_GATEWAY6': '',
+ 'ETH0_IP': IP_BY_MACADDR,
+ 'ETH0_IP6': '',
+ 'ETH0_IP6_PREFIX_LENGTH': '',
+ 'ETH0_IP6_ULA': '',
+ 'ETH0_MAC': '02:00:0a:12:01:01',
+ 'ETH0_MASK': '255.255.0.0',
+ 'ETH0_MTU': '',
+ 'ETH0_NETWORK': '10.18.0.0',
+ 'ETH0_SEARCH_DOMAIN': '',
+ }
+ for nic in self.system_nics:
+ net = ds.OpenNebulaNetwork(context,
+ system_nics_by_mac={MACADDR: nic})
+ expected = {
+ 'version': 2,
+ 'ethernets': {
+ nic: {
+ 'match': {'macaddress': MACADDR},
+ 'addresses': [IP_BY_MACADDR + '/16'],
+ 'gateway4': '1.2.3.5',
+ 'gateway6': None,
+ 'nameservers': {
+ 'addresses': ['1.2.3.6', '1.2.3.7', '1.2.3.8']}}}}
+
+ self.assertEqual(expected, net.gen_conf())
+
+ def test_eth0_v4v6_override(self):
+ self.maxDiff = None
+ context = {
+ 'DNS': '1.2.3.8',
'ETH0_DNS': '1.2.3.6 1.2.3.7',
- 'ETH0_MAC': '02:00:0a:12:01:01'
+ 'ETH0_GATEWAY': '1.2.3.5',
+ 'ETH0_GATEWAY6': IP6_GW,
+ 'ETH0_IP': IP_BY_MACADDR,
+ 'ETH0_IP6': IP6_GLOBAL,
+ 'ETH0_IP6_PREFIX_LENGTH': IP6_PREFIX,
+ 'ETH0_IP6_ULA': IP6_ULA,
+ 'ETH0_MAC': '02:00:0a:12:01:01',
+ 'ETH0_MASK': '255.255.0.0',
+ 'ETH0_MTU': '1280',
+ 'ETH0_NETWORK': '10.18.0.0',
+ 'ETH0_SEARCH_DOMAIN': 'example.com example.org',
}
for nic in self.system_nics:
- expected = dedent("""\
- auto lo
- iface lo inet loopback
-
- auto {dev}
- iface {dev} inet static
- #hwaddress {macaddr}
- address 10.18.1.1
- network 10.18.0.0
- netmask 255.255.0.0
- gateway 1.2.3.5
- dns-search example.com
- dns-nameservers 1.2.3.8 1.2.3.6 1.2.3.7
- """).format(dev=nic, macaddr=MACADDR)
net = ds.OpenNebulaNetwork(context,
system_nics_by_mac={MACADDR: nic})
+
+ expected = {
+ 'version': 2,
+ 'ethernets': {
+ nic: {
+ 'match': {'macaddress': MACADDR},
+ 'addresses': [
+ IP_BY_MACADDR + '/16',
+ IP6_GLOBAL + '/' + IP6_PREFIX,
+ IP6_ULA + '/' + IP6_PREFIX],
+ 'gateway4': '1.2.3.5',
+ 'gateway6': IP6_GW,
+ 'nameservers': {
+ 'addresses': ['1.2.3.6', '1.2.3.7', '1.2.3.8'],
+ 'search': ['example.com', 'example.org']},
+ 'mtu': '1280'}}}
+
self.assertEqual(expected, net.gen_conf())
def test_multiple_nics(self):
"""Test rendering multiple nics with names that differ from context."""
+ self.maxDiff = None
MAC_1 = "02:00:0a:12:01:01"
MAC_2 = "02:00:0a:12:01:02"
context = {
'DNS': '1.2.3.8',
- 'ETH0_IP': '10.18.1.1',
- 'ETH0_NETWORK': '10.18.0.0',
- 'ETH0_MASK': '255.255.0.0',
- 'ETH0_GATEWAY': '1.2.3.5',
- 'ETH0_DOMAIN': 'example.com',
'ETH0_DNS': '1.2.3.6 1.2.3.7',
+ 'ETH0_GATEWAY': '1.2.3.5',
+ 'ETH0_GATEWAY6': IP6_GW,
+ 'ETH0_IP': '10.18.1.1',
+ 'ETH0_IP6': IP6_GLOBAL,
+ 'ETH0_IP6_PREFIX_LENGTH': '',
+ 'ETH0_IP6_ULA': IP6_ULA,
'ETH0_MAC': MAC_2,
- 'ETH3_IP': '10.3.1.3',
- 'ETH3_NETWORK': '10.3.0.0',
- 'ETH3_MASK': '255.255.0.0',
- 'ETH3_GATEWAY': '10.3.0.1',
- 'ETH3_DOMAIN': 'third.example.com',
+ 'ETH0_MASK': '255.255.0.0',
+ 'ETH0_MTU': '1280',
+ 'ETH0_NETWORK': '10.18.0.0',
+ 'ETH0_SEARCH_DOMAIN': 'example.com',
'ETH3_DNS': '10.3.1.2',
+ 'ETH3_GATEWAY': '10.3.0.1',
+ 'ETH3_GATEWAY6': '',
+ 'ETH3_IP': '10.3.1.3',
+ 'ETH3_IP6': '',
+ 'ETH3_IP6_PREFIX_LENGTH': '',
+ 'ETH3_IP6_ULA': '',
'ETH3_MAC': MAC_1,
+ 'ETH3_MASK': '255.255.0.0',
+ 'ETH3_MTU': '',
+ 'ETH3_NETWORK': '10.3.0.0',
+ 'ETH3_SEARCH_DOMAIN': 'third.example.com third.example.org',
}
net = ds.OpenNebulaNetwork(
context, system_nics_by_mac={MAC_1: 'enp0s25', MAC_2: 'enp1s2'})
- expected = dedent("""\
- auto lo
- iface lo inet loopback
-
- auto enp0s25
- iface enp0s25 inet static
- #hwaddress 02:00:0a:12:01:01
- address 10.3.1.3
- network 10.3.0.0
- netmask 255.255.0.0
- gateway 10.3.0.1
- dns-search third.example.com
- dns-nameservers 1.2.3.8 10.3.1.2
-
- auto enp1s2
- iface enp1s2 inet static
- #hwaddress 02:00:0a:12:01:02
- address 10.18.1.1
- network 10.18.0.0
- netmask 255.255.0.0
- gateway 1.2.3.5
- dns-search example.com
- dns-nameservers 1.2.3.8 1.2.3.6 1.2.3.7
- """)
+ expected = {
+ 'version': 2,
+ 'ethernets': {
+ 'enp1s2': {
+ 'match': {'macaddress': MAC_2},
+ 'addresses': [
+ '10.18.1.1/16',
+ IP6_GLOBAL + '/64',
+ IP6_ULA + '/64'],
+ 'gateway4': '1.2.3.5',
+ 'gateway6': IP6_GW,
+ 'nameservers': {
+ 'addresses': ['1.2.3.6', '1.2.3.7', '1.2.3.8'],
+ 'search': ['example.com']},
+ 'mtu': '1280'},
+ 'enp0s25': {
+ 'match': {'macaddress': MAC_1},
+ 'addresses': ['10.3.1.3/16'],
+ 'gateway4': '10.3.0.1',
+ 'gateway6': None,
+ 'nameservers': {
+ 'addresses': ['10.3.1.2', '1.2.3.8'],
+ 'search': [
+ 'third.example.com',
+ 'third.example.org']}}}}
self.assertEqual(expected, net.gen_conf())
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-20 04:39:15 +0000