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# Copyright (c) 2021 VMware, Inc. All Rights Reserved.
#
# Authors: Andrew Kutz <akutz@vmware.com>
#
# This file is part of cloud-init. See LICENSE file for license information.
import base64
import gzip
import os
import pytest
from cloudinit import dmi, helpers, safeyaml, settings
from cloudinit.sources import DataSourceVMware
from tests.unittests.helpers import (
CiTestCase,
FilesystemMockingTestCase,
mock,
populate_dir,
)
PRODUCT_NAME_FILE_PATH = "/sys/class/dmi/id/product_name"
PRODUCT_NAME = "VMware7,1"
PRODUCT_UUID = "82343CED-E4C7-423B-8F6B-0D34D19067AB"
REROOT_FILES = {
DataSourceVMware.PRODUCT_UUID_FILE_PATH: PRODUCT_UUID,
PRODUCT_NAME_FILE_PATH: PRODUCT_NAME,
}
VMW_MULTIPLE_KEYS = [
"ssh-rsa AAAAB3NzaC1yc2EAAAA... test1@vmw.com",
"ssh-rsa AAAAB3NzaC1yc2EAAAA... test2@vmw.com",
]
VMW_SINGLE_KEY = "ssh-rsa AAAAB3NzaC1yc2EAAAA... test@vmw.com"
VMW_METADATA_YAML = """instance-id: cloud-vm
local-hostname: cloud-vm
network:
version: 2
ethernets:
nics:
match:
name: ens*
dhcp4: yes
"""
VMW_USERDATA_YAML = """## template: jinja
#cloud-config
users:
- default
"""
VMW_VENDORDATA_YAML = """## template: jinja
#cloud-config
runcmd:
- echo "Hello, world."
"""
@pytest.yield_fixture(autouse=True)
def common_patches():
with mock.patch("cloudinit.util.platform.platform", return_value="Linux"):
with mock.patch.multiple(
"cloudinit.dmi",
is_container=mock.Mock(return_value=False),
is_FreeBSD=mock.Mock(return_value=False),
):
yield
class TestDataSourceVMware(CiTestCase):
"""
Test common functionality that is not transport specific.
"""
def setUp(self):
super(TestDataSourceVMware, self).setUp()
self.tmp = self.tmp_dir()
def test_no_data_access_method(self):
ds = get_ds(self.tmp)
ds.vmware_rpctool = None
ret = ds.get_data()
self.assertFalse(ret)
def test_get_host_info(self):
host_info = DataSourceVMware.get_host_info()
self.assertTrue(host_info)
self.assertTrue(host_info["hostname"])
self.assertTrue(host_info["local-hostname"])
self.assertTrue(host_info["local_hostname"])
self.assertTrue(host_info[DataSourceVMware.LOCAL_IPV4])
class TestDataSourceVMwareEnvVars(FilesystemMockingTestCase):
"""
Test the envvar transport.
"""
def setUp(self):
super(TestDataSourceVMwareEnvVars, self).setUp()
self.tmp = self.tmp_dir()
os.environ[DataSourceVMware.VMX_GUESTINFO] = "1"
self.create_system_files()
def tearDown(self):
del os.environ[DataSourceVMware.VMX_GUESTINFO]
return super(TestDataSourceVMwareEnvVars, self).tearDown()
def create_system_files(self):
rootd = self.tmp_dir()
populate_dir(
rootd,
{
DataSourceVMware.PRODUCT_UUID_FILE_PATH: PRODUCT_UUID,
},
)
self.assertTrue(self.reRoot(rootd))
def assert_get_data_ok(self, m_fn, m_fn_call_count=6):
ds = get_ds(self.tmp)
ds.vmware_rpctool = None
ret = ds.get_data()
self.assertTrue(ret)
self.assertEqual(m_fn_call_count, m_fn.call_count)
self.assertEqual(
ds.data_access_method, DataSourceVMware.DATA_ACCESS_METHOD_ENVVAR
)
return ds
def assert_metadata(self, metadata, m_fn, m_fn_call_count=6):
ds = self.assert_get_data_ok(m_fn, m_fn_call_count)
assert_metadata(self, ds, metadata)
@mock.patch(
"cloudinit.sources.DataSourceVMware.guestinfo_envvar_get_value"
)
def test_get_subplatform(self, m_fn):
m_fn.side_effect = [VMW_METADATA_YAML, "", "", "", "", ""]
ds = self.assert_get_data_ok(m_fn, m_fn_call_count=4)
self.assertEqual(
ds.subplatform,
"%s (%s)"
% (
DataSourceVMware.DATA_ACCESS_METHOD_ENVVAR,
DataSourceVMware.get_guestinfo_envvar_key_name("metadata"),
),
)
@mock.patch(
"cloudinit.sources.DataSourceVMware.guestinfo_envvar_get_value"
)
def test_get_data_metadata_only(self, m_fn):
m_fn.side_effect = [VMW_METADATA_YAML, "", "", "", "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch(
"cloudinit.sources.DataSourceVMware.guestinfo_envvar_get_value"
)
def test_get_data_userdata_only(self, m_fn):
m_fn.side_effect = ["", VMW_USERDATA_YAML, "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch(
"cloudinit.sources.DataSourceVMware.guestinfo_envvar_get_value"
)
def test_get_data_vendordata_only(self, m_fn):
m_fn.side_effect = ["", "", VMW_VENDORDATA_YAML, ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch(
"cloudinit.sources.DataSourceVMware.guestinfo_envvar_get_value"
)
def test_get_data_metadata_base64(self, m_fn):
data = base64.b64encode(VMW_METADATA_YAML.encode("utf-8"))
m_fn.side_effect = [data, "base64", "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch(
"cloudinit.sources.DataSourceVMware.guestinfo_envvar_get_value"
)
def test_get_data_metadata_b64(self, m_fn):
data = base64.b64encode(VMW_METADATA_YAML.encode("utf-8"))
m_fn.side_effect = [data, "b64", "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch(
"cloudinit.sources.DataSourceVMware.guestinfo_envvar_get_value"
)
def test_get_data_metadata_gzip_base64(self, m_fn):
data = VMW_METADATA_YAML.encode("utf-8")
data = gzip.compress(data)
data = base64.b64encode(data)
m_fn.side_effect = [data, "gzip+base64", "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch(
"cloudinit.sources.DataSourceVMware.guestinfo_envvar_get_value"
)
def test_get_data_metadata_gz_b64(self, m_fn):
data = VMW_METADATA_YAML.encode("utf-8")
data = gzip.compress(data)
data = base64.b64encode(data)
m_fn.side_effect = [data, "gz+b64", "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch(
"cloudinit.sources.DataSourceVMware.guestinfo_envvar_get_value"
)
def test_metadata_single_ssh_key(self, m_fn):
metadata = DataSourceVMware.load_json_or_yaml(VMW_METADATA_YAML)
metadata["public_keys"] = VMW_SINGLE_KEY
metadata_yaml = safeyaml.dumps(metadata)
m_fn.side_effect = [metadata_yaml, "", "", ""]
self.assert_metadata(metadata, m_fn, m_fn_call_count=4)
@mock.patch(
"cloudinit.sources.DataSourceVMware.guestinfo_envvar_get_value"
)
def test_metadata_multiple_ssh_keys(self, m_fn):
metadata = DataSourceVMware.load_json_or_yaml(VMW_METADATA_YAML)
metadata["public_keys"] = VMW_MULTIPLE_KEYS
metadata_yaml = safeyaml.dumps(metadata)
m_fn.side_effect = [metadata_yaml, "", "", ""]
self.assert_metadata(metadata, m_fn, m_fn_call_count=4)
class TestDataSourceVMwareGuestInfo(FilesystemMockingTestCase):
"""
Test the guestinfo transport on a VMware platform.
"""
def setUp(self):
super(TestDataSourceVMwareGuestInfo, self).setUp()
self.tmp = self.tmp_dir()
self.create_system_files()
def create_system_files(self):
rootd = self.tmp_dir()
populate_dir(
rootd,
{
DataSourceVMware.PRODUCT_UUID_FILE_PATH: PRODUCT_UUID,
PRODUCT_NAME_FILE_PATH: PRODUCT_NAME,
},
)
self.assertTrue(self.reRoot(rootd))
def assert_get_data_ok(self, m_fn, m_fn_call_count=6):
ds = get_ds(self.tmp)
ds.vmware_rpctool = "vmware-rpctool"
ret = ds.get_data()
self.assertTrue(ret)
self.assertEqual(m_fn_call_count, m_fn.call_count)
self.assertEqual(
ds.data_access_method,
DataSourceVMware.DATA_ACCESS_METHOD_GUESTINFO,
)
return ds
def assert_metadata(self, metadata, m_fn, m_fn_call_count=6):
ds = self.assert_get_data_ok(m_fn, m_fn_call_count)
assert_metadata(self, ds, metadata)
def test_ds_valid_on_vmware_platform(self):
system_type = dmi.read_dmi_data("system-product-name")
self.assertEqual(system_type, PRODUCT_NAME)
@mock.patch("cloudinit.sources.DataSourceVMware.guestinfo_get_value")
def test_get_subplatform(self, m_fn):
m_fn.side_effect = [VMW_METADATA_YAML, "", "", "", "", ""]
ds = self.assert_get_data_ok(m_fn, m_fn_call_count=4)
self.assertEqual(
ds.subplatform,
"%s (%s)"
% (
DataSourceVMware.DATA_ACCESS_METHOD_GUESTINFO,
DataSourceVMware.get_guestinfo_key_name("metadata"),
),
)
@mock.patch("cloudinit.sources.DataSourceVMware.guestinfo_get_value")
def test_get_data_userdata_only(self, m_fn):
m_fn.side_effect = ["", VMW_USERDATA_YAML, "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch("cloudinit.sources.DataSourceVMware.guestinfo_get_value")
def test_get_data_vendordata_only(self, m_fn):
m_fn.side_effect = ["", "", VMW_VENDORDATA_YAML, ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch("cloudinit.sources.DataSourceVMware.guestinfo_get_value")
def test_metadata_single_ssh_key(self, m_fn):
metadata = DataSourceVMware.load_json_or_yaml(VMW_METADATA_YAML)
metadata["public_keys"] = VMW_SINGLE_KEY
metadata_yaml = safeyaml.dumps(metadata)
m_fn.side_effect = [metadata_yaml, "", "", ""]
self.assert_metadata(metadata, m_fn, m_fn_call_count=4)
@mock.patch("cloudinit.sources.DataSourceVMware.guestinfo_get_value")
def test_metadata_multiple_ssh_keys(self, m_fn):
metadata = DataSourceVMware.load_json_or_yaml(VMW_METADATA_YAML)
metadata["public_keys"] = VMW_MULTIPLE_KEYS
metadata_yaml = safeyaml.dumps(metadata)
m_fn.side_effect = [metadata_yaml, "", "", ""]
self.assert_metadata(metadata, m_fn, m_fn_call_count=4)
@mock.patch("cloudinit.sources.DataSourceVMware.guestinfo_get_value")
def test_get_data_metadata_base64(self, m_fn):
data = base64.b64encode(VMW_METADATA_YAML.encode("utf-8"))
m_fn.side_effect = [data, "base64", "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch("cloudinit.sources.DataSourceVMware.guestinfo_get_value")
def test_get_data_metadata_b64(self, m_fn):
data = base64.b64encode(VMW_METADATA_YAML.encode("utf-8"))
m_fn.side_effect = [data, "b64", "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch("cloudinit.sources.DataSourceVMware.guestinfo_get_value")
def test_get_data_metadata_gzip_base64(self, m_fn):
data = VMW_METADATA_YAML.encode("utf-8")
data = gzip.compress(data)
data = base64.b64encode(data)
m_fn.side_effect = [data, "gzip+base64", "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
@mock.patch("cloudinit.sources.DataSourceVMware.guestinfo_get_value")
def test_get_data_metadata_gz_b64(self, m_fn):
data = VMW_METADATA_YAML.encode("utf-8")
data = gzip.compress(data)
data = base64.b64encode(data)
m_fn.side_effect = [data, "gz+b64", "", ""]
self.assert_get_data_ok(m_fn, m_fn_call_count=4)
class TestDataSourceVMwareGuestInfo_InvalidPlatform(FilesystemMockingTestCase):
"""
Test the guestinfo transport on a non-VMware platform.
"""
def setUp(self):
super(TestDataSourceVMwareGuestInfo_InvalidPlatform, self).setUp()
self.tmp = self.tmp_dir()
self.create_system_files()
def create_system_files(self):
rootd = self.tmp_dir()
populate_dir(
rootd,
{
DataSourceVMware.PRODUCT_UUID_FILE_PATH: PRODUCT_UUID,
},
)
self.assertTrue(self.reRoot(rootd))
@mock.patch("cloudinit.sources.DataSourceVMware.guestinfo_get_value")
def test_ds_invalid_on_non_vmware_platform(self, m_fn):
system_type = dmi.read_dmi_data("system-product-name")
self.assertEqual(system_type, None)
m_fn.side_effect = [VMW_METADATA_YAML, "", "", "", "", ""]
ds = get_ds(self.tmp)
ds.vmware_rpctool = "vmware-rpctool"
ret = ds.get_data()
self.assertFalse(ret)
def assert_metadata(test_obj, ds, metadata):
test_obj.assertEqual(metadata.get("instance-id"), ds.get_instance_id())
test_obj.assertEqual(metadata.get("local-hostname"), ds.get_hostname())
expected_public_keys = metadata.get("public_keys")
if not isinstance(expected_public_keys, list):
expected_public_keys = [expected_public_keys]
test_obj.assertEqual(expected_public_keys, ds.get_public_ssh_keys())
test_obj.assertIsInstance(ds.get_public_ssh_keys(), list)
def get_ds(temp_dir):
ds = DataSourceVMware.DataSourceVMware(
settings.CFG_BUILTIN, None, helpers.Paths({"run_dir": temp_dir})
)
ds.vmware_rpctool = "vmware-rpctool"
return ds
# vi: ts=4 expandtab
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