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# This file is part of cloud-init. See LICENSE file for license information.
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
import unittest
TEST_VARS = {
'VAR1': 'single',
'VAR2': 'double word',
'VAR3': 'multi\nline\n',
'VAR4': "'single'",
'VAR5': "'double word'",
'VAR6': "'multi\nline\n'",
'VAR7': 'single\\t',
'VAR8': 'double\\tword',
'VAR9': 'multi\\t\nline\n',
'VAR10': '\\', # expect '\'
'VAR11': '\'', # expect '
'VAR12': '$', # expect $
}
INVALID_CONTEXT = ';'
USER_DATA = '#cloud-config\napt_upgrade: true'
SSH_KEY = 'ssh-rsa AAAAB3NzaC1....sIkJhq8wdX+4I3A4cYbYP ubuntu@server-460-%i'
HOSTNAME = 'foo.example.com'
PUBLIC_IP = '10.0.0.3'
MACADDR = '02:00:0a:12:01:01'
IP_BY_MACADDR = '10.18.1.1'
DS_PATH = "cloudinit.sources.DataSourceOpenNebula"
class TestOpenNebulaDataSource(CiTestCase):
parsed_user = None
def setUp(self):
super(TestOpenNebulaDataSource, self).setUp()
self.tmp = self.tmp_dir()
self.paths = helpers.Paths(
{'cloud_dir': self.tmp, 'run_dir': self.tmp})
# defaults for few tests
self.ds = ds.DataSourceOpenNebula
self.seed_dir = os.path.join(self.paths.seed_dir, "opennebula")
self.sys_cfg = {'datasource': {'OpenNebula': {'dsmode': 'local'}}}
# we don't want 'sudo' called in tests. so we patch switch_user_cmd
def my_switch_user_cmd(user):
self.parsed_user = user
return []
self.switch_user_cmd_real = ds.switch_user_cmd
ds.switch_user_cmd = my_switch_user_cmd
def tearDown(self):
ds.switch_user_cmd = self.switch_user_cmd_real
super(TestOpenNebulaDataSource, self).tearDown()
def test_get_data_non_contextdisk(self):
orig_find_devs_with = util.find_devs_with
try:
# dont' try to lookup for CDs
util.find_devs_with = lambda n: []
dsrc = self.ds(sys_cfg=self.sys_cfg, distro=None, paths=self.paths)
ret = dsrc.get_data()
self.assertFalse(ret)
finally:
util.find_devs_with = orig_find_devs_with
def test_get_data_broken_contextdisk(self):
orig_find_devs_with = util.find_devs_with
try:
# dont' try to lookup for CDs
util.find_devs_with = lambda n: []
populate_dir(self.seed_dir, {'context.sh': INVALID_CONTEXT})
dsrc = self.ds(sys_cfg=self.sys_cfg, distro=None, paths=self.paths)
self.assertRaises(ds.BrokenContextDiskDir, dsrc.get_data)
finally:
util.find_devs_with = orig_find_devs_with
def test_get_data_invalid_identity(self):
orig_find_devs_with = util.find_devs_with
try:
# generate non-existing system user name
sys_cfg = self.sys_cfg
invalid_user = 'invalid'
while not sys_cfg['datasource']['OpenNebula'].get('parseuser'):
try:
pwd.getpwnam(invalid_user)
invalid_user += 'X'
except KeyError:
sys_cfg['datasource']['OpenNebula']['parseuser'] = \
invalid_user
# dont' try to lookup for CDs
util.find_devs_with = lambda n: []
populate_context_dir(self.seed_dir, {'KEY1': 'val1'})
dsrc = self.ds(sys_cfg=sys_cfg, distro=None, paths=self.paths)
self.assertRaises(ds.BrokenContextDiskDir, dsrc.get_data)
finally:
util.find_devs_with = orig_find_devs_with
def test_get_data(self):
orig_find_devs_with = util.find_devs_with
try:
# dont' try to lookup for CDs
util.find_devs_with = lambda n: []
populate_context_dir(self.seed_dir, {'KEY1': 'val1'})
dsrc = self.ds(sys_cfg=self.sys_cfg, distro=None, paths=self.paths)
ret = dsrc.get_data()
self.assertTrue(ret)
finally:
util.find_devs_with = orig_find_devs_with
def test_seed_dir_non_contextdisk(self):
self.assertRaises(ds.NonContextDiskDir, ds.read_context_disk_dir,
self.seed_dir)
def test_seed_dir_empty1_context(self):
populate_dir(self.seed_dir, {'context.sh': ''})
results = ds.read_context_disk_dir(self.seed_dir)
self.assertIsNone(results['userdata'])
self.assertEqual(results['metadata'], {})
def test_seed_dir_empty2_context(self):
populate_context_dir(self.seed_dir, {})
results = ds.read_context_disk_dir(self.seed_dir)
self.assertIsNone(results['userdata'])
self.assertEqual(results['metadata'], {})
def test_seed_dir_broken_context(self):
populate_dir(self.seed_dir, {'context.sh': INVALID_CONTEXT})
self.assertRaises(ds.BrokenContextDiskDir,
ds.read_context_disk_dir,
self.seed_dir)
def test_context_parser(self):
populate_context_dir(self.seed_dir, TEST_VARS)
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('metadata' in results)
self.assertEqual(TEST_VARS, results['metadata'])
def test_ssh_key(self):
public_keys = ['first key', 'second key']
for c in range(4):
for k in ('SSH_KEY', 'SSH_PUBLIC_KEY'):
my_d = os.path.join(self.tmp, "%s-%i" % (k, c))
populate_context_dir(my_d, {k: '\n'.join(public_keys)})
results = ds.read_context_disk_dir(my_d)
self.assertTrue('metadata' in results)
self.assertTrue('public-keys' in results['metadata'])
self.assertEqual(public_keys,
results['metadata']['public-keys'])
public_keys.append(SSH_KEY % (c + 1,))
def test_user_data_plain(self):
for k in ('USER_DATA', 'USERDATA'):
my_d = os.path.join(self.tmp, k)
populate_context_dir(my_d, {k: USER_DATA,
'USERDATA_ENCODING': ''})
results = ds.read_context_disk_dir(my_d)
self.assertTrue('userdata' in results)
self.assertEqual(USER_DATA, results['userdata'])
def test_user_data_encoding_required_for_decode(self):
b64userdata = util.b64e(USER_DATA)
for k in ('USER_DATA', 'USERDATA'):
my_d = os.path.join(self.tmp, k)
populate_context_dir(my_d, {k: b64userdata})
results = ds.read_context_disk_dir(my_d)
self.assertTrue('userdata' in results)
self.assertEqual(b64userdata, results['userdata'])
def test_user_data_base64_encoding(self):
for k in ('USER_DATA', 'USERDATA'):
my_d = os.path.join(self.tmp, k)
populate_context_dir(my_d, {k: util.b64e(USER_DATA),
'USERDATA_ENCODING': 'base64'})
results = ds.read_context_disk_dir(my_d)
self.assertTrue('userdata' in results)
self.assertEqual(USER_DATA, results['userdata'])
@mock.patch(DS_PATH + ".get_physical_nics_by_mac")
def test_hostname(self, m_get_phys_by_mac):
for dev in ('eth0', 'ens3'):
m_get_phys_by_mac.return_value = {MACADDR: dev}
for k in ('HOSTNAME', 'PUBLIC_IP', 'IP_PUBLIC', 'ETH0_IP'):
my_d = os.path.join(self.tmp, k)
populate_context_dir(my_d, {k: PUBLIC_IP})
results = ds.read_context_disk_dir(my_d)
self.assertTrue('metadata' in results)
self.assertTrue('local-hostname' in results['metadata'])
self.assertEqual(
PUBLIC_IP, results['metadata']['local-hostname'])
@mock.patch(DS_PATH + ".get_physical_nics_by_mac")
def test_network_interfaces(self, m_get_phys_by_mac):
for dev in ('eth0', 'ens3'):
m_get_phys_by_mac.return_value = {MACADDR: dev}
# without ETH0_MAC
# for Older OpenNebula?
populate_context_dir(self.seed_dir, {'ETH0_IP': IP_BY_MACADDR})
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('network-interfaces' in results)
self.assertTrue(IP_BY_MACADDR in results['network-interfaces'])
# ETH0_IP and ETH0_MAC
populate_context_dir(
self.seed_dir, {'ETH0_IP': IP_BY_MACADDR, 'ETH0_MAC': MACADDR})
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('network-interfaces' in results)
self.assertTrue(IP_BY_MACADDR in results['network-interfaces'])
# ETH0_IP with empty string and ETH0_MAC
# in the case of using Virtual Network contains
# "AR = [ TYPE = ETHER ]"
populate_context_dir(
self.seed_dir, {'ETH0_IP': '', 'ETH0_MAC': MACADDR})
results = ds.read_context_disk_dir(self.seed_dir)
self.assertTrue('network-interfaces' in results)
self.assertTrue(IP_BY_MACADDR in results['network-interfaces'])
# ETH0_NETWORK
populate_context_dir(
self.seed_dir, {
'ETH0_IP': IP_BY_MACADDR,
'ETH0_MAC': MACADDR,
'ETH0_NETWORK': '10.18.0.0'
})
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'])
# ETH0_NETWORK with empty string
populate_context_dir(
self.seed_dir, {
'ETH0_IP': IP_BY_MACADDR,
'ETH0_MAC': MACADDR,
'ETH0_NETWORK': ''
})
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'])
# ETH0_MASK
populate_context_dir(
self.seed_dir, {
'ETH0_IP': IP_BY_MACADDR,
'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'])
# ETH0_MASK with empty string
populate_context_dir(
self.seed_dir, {
'ETH0_IP': IP_BY_MACADDR,
'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'])
def test_find_candidates(self):
def my_devs_with(criteria):
return {
"LABEL=CONTEXT": ["/dev/sdb"],
"LABEL=CDROM": ["/dev/sr0"],
"TYPE=iso9660": ["/dev/vdb"],
}.get(criteria, [])
orig_find_devs_with = util.find_devs_with
try:
util.find_devs_with = my_devs_with
self.assertEqual(["/dev/sdb", "/dev/sr0", "/dev/vdb"],
ds.find_candidate_devs())
finally:
util.find_devs_with = orig_find_devs_with
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)))
def test_eth0_override(self):
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_MAC': '02:00:0a:12:01:01'
}
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})
self.assertEqual(expected, net.gen_conf())
def test_multiple_nics(self):
"""Test rendering multiple nics with names that differ from context."""
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_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',
'ETH3_DNS': '10.3.1.2',
'ETH3_MAC': MAC_1,
}
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
""")
self.assertEqual(expected, net.gen_conf())
class TestParseShellConfig(unittest.TestCase):
def test_no_seconds(self):
cfg = '\n'.join(["foo=bar", "SECONDS=2", "xx=foo"])
# we could test 'sleep 2', but that would make the test run slower.
ret = ds.parse_shell_config(cfg)
self.assertEqual(ret, {"foo": "bar", "xx": "foo"})
def populate_context_dir(path, variables):
data = "# Context variables generated by OpenNebula\n"
for k, v in variables.items():
data += ("%s='%s'\n" % (k.upper(), v.replace(r"'", r"'\''")))
populate_dir(path, {'context.sh': data})
# vi: ts=4 expandtab
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