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-rw-r--r--tests/unittests/helpers.py12
-rw-r--r--tests/unittests/test_net.py327
2 files changed, 339 insertions, 0 deletions
diff --git a/tests/unittests/helpers.py b/tests/unittests/helpers.py
index 8d46a8bf..972245df 100644
--- a/tests/unittests/helpers.py
+++ b/tests/unittests/helpers.py
@@ -264,6 +264,18 @@ def populate_dir(path, files):
fp.close()
+def dir2dict(startdir, prefix=None):
+ flist = {}
+ if prefix is None:
+ prefix = startdir
+ for root, dirs, files in os.walk(startdir):
+ for fname in files:
+ fpath = os.path.join(root, fname)
+ key = fpath[len(prefix):]
+ flist[key] = util.load_file(fpath)
+ return flist
+
+
try:
skipIf = unittest.skipIf
except AttributeError:
diff --git a/tests/unittests/test_net.py b/tests/unittests/test_net.py
index 6f4dad13..41b9a6d0 100644
--- a/tests/unittests/test_net.py
+++ b/tests/unittests/test_net.py
@@ -6,6 +6,7 @@ from cloudinit.net import sysconfig
from cloudinit.sources.helpers import openstack
from cloudinit import util
+from .helpers import dir2dict
from .helpers import mock
from .helpers import TestCase
@@ -17,6 +18,8 @@ import json
import os
import shutil
import tempfile
+import textwrap
+import yaml
DHCP_CONTENT_1 = """
DEVICE='eth0'
@@ -141,6 +144,283 @@ nameserver 172.19.0.12
}
]
+EXAMPLE_ENI = """
+auto lo
+iface lo inet loopback
+ dns-nameservers 10.0.0.1
+ dns-search foo.com
+
+auto eth0
+iface eth0 inet static
+ address 1.2.3.12
+ netmask 255.255.255.248
+ broadcast 1.2.3.15
+ gateway 1.2.3.9
+ dns-nameservers 69.9.160.191 69.9.191.4
+auto eth1
+iface eth1 inet static
+ address 10.248.2.4
+ netmask 255.255.255.248
+ broadcast 10.248.2.7
+"""
+
+RENDERED_ENI = """
+auto lo
+iface lo inet loopback
+ dns-nameservers 10.0.0.1
+ dns-search foo.com
+
+auto eth0
+iface eth0 inet static
+ address 1.2.3.12
+ broadcast 1.2.3.15
+ dns-nameservers 69.9.160.191 69.9.191.4
+ gateway 1.2.3.9
+ netmask 255.255.255.248
+
+auto eth1
+iface eth1 inet static
+ address 10.248.2.4
+ broadcast 10.248.2.7
+ netmask 255.255.255.248
+""".lstrip()
+
+NETWORK_CONFIGS = {
+ 'small': {
+ 'expected_eni': textwrap.dedent("""\
+ auto lo
+ iface lo inet loopback
+ dns-nameservers 1.2.3.4 5.6.7.8
+ dns-search wark.maas
+
+ iface eth1 inet manual
+
+ auto eth99
+ iface eth99 inet dhcp
+ post-up ifup eth99:1
+
+
+ auto eth99:1
+ iface eth99:1 inet static
+ address 192.168.21.3/24
+ dns-nameservers 8.8.8.8 8.8.4.4
+ dns-search barley.maas sach.maas
+ post-up route add default gw 65.61.151.37 || true
+ pre-down route del default gw 65.61.151.37 || true
+ """).rstrip(' '),
+ 'yaml': textwrap.dedent("""
+ version: 1
+ config:
+ # Physical interfaces.
+ - type: physical
+ name: eth99
+ mac_address: "c0:d6:9f:2c:e8:80"
+ subnets:
+ - type: dhcp4
+ - type: static
+ address: 192.168.21.3/24
+ dns_nameservers:
+ - 8.8.8.8
+ - 8.8.4.4
+ dns_search: barley.maas sach.maas
+ routes:
+ - gateway: 65.61.151.37
+ netmask: 0.0.0.0
+ network: 0.0.0.0
+ metric: 2
+ - type: physical
+ name: eth1
+ mac_address: "cf:d6:af:48:e8:80"
+ - type: nameserver
+ address:
+ - 1.2.3.4
+ - 5.6.7.8
+ search:
+ - wark.maas
+ """),
+ },
+ 'all': {
+ 'expected_eni': ("""\
+auto lo
+iface lo inet loopback
+ dns-nameservers 8.8.8.8 4.4.4.4 8.8.4.4
+ dns-search barley.maas wark.maas foobar.maas
+
+iface eth0 inet manual
+
+auto eth1
+iface eth1 inet manual
+ bond-master bond0
+ bond-mode active-backup
+
+auto eth2
+iface eth2 inet manual
+ bond-master bond0
+ bond-mode active-backup
+
+iface eth3 inet manual
+
+iface eth4 inet manual
+
+# control-manual eth5
+iface eth5 inet dhcp
+
+auto bond0
+iface bond0 inet6 dhcp
+ bond-mode active-backup
+ bond-slaves none
+ hwaddress aa:bb:cc:dd:ee:ff
+
+auto br0
+iface br0 inet static
+ address 192.168.14.2/24
+ bridge_ports eth3 eth4
+ bridge_stp off
+ post-up ifup br0:1
+
+
+auto br0:1
+iface br0:1 inet6 static
+ address 2001:1::1/64
+
+auto bond0.200
+iface bond0.200 inet dhcp
+ vlan-raw-device bond0
+ vlan_id 200
+
+auto eth0.101
+iface eth0.101 inet static
+ address 192.168.0.2/24
+ dns-nameservers 192.168.0.10 10.23.23.134
+ dns-search barley.maas sacchromyces.maas brettanomyces.maas
+ gateway 192.168.0.1
+ mtu 1500
+ vlan-raw-device eth0
+ vlan_id 101
+ post-up ifup eth0.101:1
+
+
+auto eth0.101:1
+iface eth0.101:1 inet static
+ address 192.168.2.10/24
+
+post-up route add -net 10.0.0.0 netmask 255.0.0.0 gw 11.0.0.1 metric 3 || true
+pre-down route del -net 10.0.0.0 netmask 255.0.0.0 gw 11.0.0.1 metric 3 || true
+"""),
+ 'yaml': textwrap.dedent("""
+ version: 1
+ config:
+ # Physical interfaces.
+ - type: physical
+ name: eth0
+ mac_address: "c0:d6:9f:2c:e8:80"
+ - type: physical
+ name: eth1
+ mac_address: "aa:d6:9f:2c:e8:80"
+ - type: physical
+ name: eth2
+ mac_address: "c0:bb:9f:2c:e8:80"
+ - type: physical
+ name: eth3
+ mac_address: "66:bb:9f:2c:e8:80"
+ - type: physical
+ name: eth4
+ mac_address: "98:bb:9f:2c:e8:80"
+ # specify how ifupdown should treat iface
+ # control is one of ['auto', 'hotplug', 'manual']
+ # with manual meaning ifup/ifdown should not affect the iface
+ # useful for things like iscsi root + dhcp
+ - type: physical
+ name: eth5
+ mac_address: "98:bb:9f:2c:e8:8a"
+ subnets:
+ - type: dhcp
+ control: manual
+ # VLAN interface.
+ - type: vlan
+ name: eth0.101
+ vlan_link: eth0
+ vlan_id: 101
+ mtu: 1500
+ subnets:
+ - type: static
+ address: 192.168.0.2/24
+ gateway: 192.168.0.1
+ dns_nameservers:
+ - 192.168.0.10
+ - 10.23.23.134
+ dns_search:
+ - barley.maas
+ - sacchromyces.maas
+ - brettanomyces.maas
+ - type: static
+ address: 192.168.2.10/24
+ # Bond.
+ - type: bond
+ name: bond0
+ # if 'mac_address' is omitted, the MAC is taken from
+ # the first slave.
+ mac_address: "aa:bb:cc:dd:ee:ff"
+ bond_interfaces:
+ - eth1
+ - eth2
+ params:
+ bond-mode: active-backup
+ subnets:
+ - type: dhcp6
+ # A Bond VLAN.
+ - type: vlan
+ name: bond0.200
+ vlan_link: bond0
+ vlan_id: 200
+ subnets:
+ - type: dhcp4
+ # A bridge.
+ - type: bridge
+ name: br0
+ bridge_interfaces:
+ - eth3
+ - eth4
+ ipv4_conf:
+ rp_filter: 1
+ proxy_arp: 0
+ forwarding: 1
+ ipv6_conf:
+ autoconf: 1
+ disable_ipv6: 1
+ use_tempaddr: 1
+ forwarding: 1
+ # basically anything in /proc/sys/net/ipv6/conf/.../
+ params:
+ bridge_stp: 'off'
+ bridge_fd: 0
+ bridge_maxwait: 0
+ subnets:
+ - type: static
+ address: 192.168.14.2/24
+ - type: static
+ address: 2001:1::1/64 # default to /64
+ # A global nameserver.
+ - type: nameserver
+ address: 8.8.8.8
+ search: barley.maas
+ # global nameservers and search in list form
+ - type: nameserver
+ address:
+ - 4.4.4.4
+ - 8.8.4.4
+ search:
+ - wark.maas
+ - foobar.maas
+ # A global route.
+ - type: route
+ destination: 10.0.0.0/8
+ gateway: 11.0.0.1
+ metric: 3
+ """).lstrip(),
+ }
+}
+
def _setup_test(tmp_dir, mock_get_devicelist, mock_sys_netdev_info,
mock_sys_dev_path):
@@ -354,6 +634,53 @@ class TestCmdlineConfigParsing(TestCase):
self.assertEqual(found, self.simple_cfg)
+class TestEniRoundTrip(TestCase):
+ def setUp(self):
+ super(TestCase, self).setUp()
+ self.tmp_dir = tempfile.mkdtemp()
+ self.addCleanup(shutil.rmtree, self.tmp_dir)
+
+ def _render_and_read(self, network_config=None, state=None, eni_path=None,
+ links_prefix=None, netrules_path=None):
+ if network_config:
+ ns = network_state.parse_net_config_data(network_config)
+ elif state:
+ ns = state
+ else:
+ raise ValueError("Expected data or state, got neither")
+
+ if eni_path is None:
+ eni_path = 'etc/network/interfaces'
+
+ renderer = eni.Renderer(
+ config={'eni_path': eni_path, 'links_path_prefix': links_prefix,
+ 'netrules_path': netrules_path})
+
+ renderer.render_network_state(self.tmp_dir, ns)
+ return dir2dict(self.tmp_dir)
+
+ def testsimple_convert_and_render(self):
+ network_config = eni.convert_eni_data(EXAMPLE_ENI)
+ files = self._render_and_read(network_config=network_config)
+ self.assertEqual(
+ RENDERED_ENI.splitlines(),
+ files['/etc/network/interfaces'].splitlines())
+
+ def testsimple_render_all(self):
+ entry = NETWORK_CONFIGS['all']
+ files = self._render_and_read(network_config=yaml.load(entry['yaml']))
+ self.assertEqual(
+ entry['expected_eni'].splitlines(),
+ files['/etc/network/interfaces'].splitlines())
+
+ def testsimple_render_small(self):
+ entry = NETWORK_CONFIGS['small']
+ files = self._render_and_read(network_config=yaml.load(entry['yaml']))
+ self.assertEqual(
+ entry['expected_eni'].splitlines(),
+ files['/etc/network/interfaces'].splitlines())
+
+
def _gzip_data(data):
with io.BytesIO() as iobuf:
gzfp = gzip.GzipFile(mode="wb", fileobj=iobuf)