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# This file is part of cloud-init. See LICENSE file for license information.
import httpretty
import mock
from .. import helpers as test_helpers
from cloudinit import helpers
from cloudinit.sources import DataSourceEc2 as ec2
# collected from api version 2009-04-04/ with
# python3 -c 'import json
# from cloudinit.ec2_utils import get_instance_metadata as gm
# print(json.dumps(gm("2009-04-04"), indent=1, sort_keys=True))'
DEFAULT_METADATA = {
"ami-id": "ami-80861296",
"ami-launch-index": "0",
"ami-manifest-path": "(unknown)",
"block-device-mapping": {"ami": "/dev/sda1", "root": "/dev/sda1"},
"hostname": "ip-10-0-0-149",
"instance-action": "none",
"instance-id": "i-0052913950685138c",
"instance-type": "t2.micro",
"local-hostname": "ip-10-0-0-149",
"local-ipv4": "10.0.0.149",
"placement": {"availability-zone": "us-east-1b"},
"profile": "default-hvm",
"public-hostname": "",
"public-ipv4": "107.23.188.247",
"public-keys": {"brickies": ["ssh-rsa AAAAB3Nz....w== brickies"]},
"reservation-id": "r-00a2c173fb5782a08",
"security-groups": "wide-open"
}
def _register_ssh_keys(rfunc, base_url, keys_data):
"""handle ssh key inconsistencies.
public-keys in the ec2 metadata is inconsistently formatted compared
to other entries.
Given keys_data of {name1: pubkey1, name2: pubkey2}
This registers the following urls:
base_url 0={name1}\n1={name2} # (for each name)
base_url/ 0={name1}\n1={name2} # (for each name)
base_url/0 openssh-key
base_url/0/ openssh-key
base_url/0/openssh-key {pubkey1}
base_url/0/openssh-key/ {pubkey1}
...
"""
base_url = base_url.rstrip("/")
odd_index = '\n'.join(
["{0}={1}".format(n, name)
for n, name in enumerate(sorted(keys_data))])
rfunc(base_url, odd_index)
rfunc(base_url + "/", odd_index)
for n, name in enumerate(sorted(keys_data)):
val = keys_data[name]
if isinstance(val, list):
val = '\n'.join(val)
burl = base_url + "/%s" % n
rfunc(burl, "openssh-key")
rfunc(burl + "/", "openssh-key")
rfunc(burl + "/%s/openssh-key" % name, val)
rfunc(burl + "/%s/openssh-key/" % name, val)
def register_mock_metaserver(base_url, data):
"""Register with httpretty a ec2 metadata like service serving 'data'.
If given a dictionary, it will populate urls under base_url for
that dictionary. For example, input of
{"instance-id": "i-abc", "mac": "00:16:3e:00:00:00"}
populates
base_url with 'instance-id\nmac'
base_url/ with 'instance-id\nmac'
base_url/instance-id with i-abc
base_url/mac with 00:16:3e:00:00:00
In the index, references to lists or dictionaries have a trailing /.
"""
def register_helper(register, base_url, body):
base_url = base_url.rstrip("/")
if isinstance(body, str):
register(base_url, body)
elif isinstance(body, list):
register(base_url, '\n'.join(body) + '\n')
register(base_url + '/', '\n'.join(body) + '\n')
elif isinstance(body, dict):
vals = []
for k, v in body.items():
if k == 'public-keys':
_register_ssh_keys(
register, base_url + '/public-keys/', v)
continue
suffix = k.rstrip("/")
if not isinstance(v, (str, list)):
suffix += "/"
vals.append(suffix)
url = base_url + '/' + suffix
register_helper(register, url, v)
register(base_url, '\n'.join(vals) + '\n')
register(base_url + '/', '\n'.join(vals) + '\n')
elif body is None:
register(base_url, 'not found', status_code=404)
def myreg(*argc, **kwargs):
# print("register_url(%s, %s)" % (argc, kwargs))
return httpretty.register_uri(httpretty.GET, *argc, **kwargs)
register_helper(myreg, base_url, data)
class TestEc2(test_helpers.HttprettyTestCase):
valid_platform_data = {
'uuid': 'ec212f79-87d1-2f1d-588f-d86dc0fd5412',
'uuid_source': 'dmi',
'serial': 'ec212f79-87d1-2f1d-588f-d86dc0fd5412',
}
def setUp(self):
super(TestEc2, self).setUp()
self.metadata_addr = ec2.DataSourceEc2.metadata_urls[0]
self.api_ver = '2009-04-04'
@property
def metadata_url(self):
return '/'.join([self.metadata_addr, self.api_ver, 'meta-data', ''])
@property
def userdata_url(self):
return '/'.join([self.metadata_addr, self.api_ver, 'user-data'])
def _patch_add_cleanup(self, mpath, *args, **kwargs):
p = mock.patch(mpath, *args, **kwargs)
p.start()
self.addCleanup(p.stop)
def _setup_ds(self, sys_cfg, platform_data, md, ud=None):
distro = {}
paths = helpers.Paths({})
if sys_cfg is None:
sys_cfg = {}
ds = ec2.DataSourceEc2(sys_cfg=sys_cfg, distro=distro, paths=paths)
if platform_data is not None:
self._patch_add_cleanup(
"cloudinit.sources.DataSourceEc2._collect_platform_data",
return_value=platform_data)
if md:
register_mock_metaserver(self.metadata_url, md)
register_mock_metaserver(self.userdata_url, ud)
return ds
@httpretty.activate
def test_valid_platform_with_strict_true(self):
"""Valid platform data should return true with strict_id true."""
ds = self._setup_ds(
platform_data=self.valid_platform_data,
sys_cfg={'datasource': {'Ec2': {'strict_id': True}}},
md=DEFAULT_METADATA)
ret = ds.get_data()
self.assertEqual(True, ret)
@httpretty.activate
def test_valid_platform_with_strict_false(self):
"""Valid platform data should return true with strict_id false."""
ds = self._setup_ds(
platform_data=self.valid_platform_data,
sys_cfg={'datasource': {'Ec2': {'strict_id': False}}},
md=DEFAULT_METADATA)
ret = ds.get_data()
self.assertEqual(True, ret)
@httpretty.activate
def test_unknown_platform_with_strict_true(self):
"""Unknown platform data with strict_id true should return False."""
uuid = 'ab439480-72bf-11d3-91fc-b8aded755F9a'
ds = self._setup_ds(
platform_data={'uuid': uuid, 'uuid_source': 'dmi', 'serial': ''},
sys_cfg={'datasource': {'Ec2': {'strict_id': True}}},
md=DEFAULT_METADATA)
ret = ds.get_data()
self.assertEqual(False, ret)
@httpretty.activate
def test_unknown_platform_with_strict_false(self):
"""Unknown platform data with strict_id false should return True."""
uuid = 'ab439480-72bf-11d3-91fc-b8aded755F9a'
ds = self._setup_ds(
platform_data={'uuid': uuid, 'uuid_source': 'dmi', 'serial': ''},
sys_cfg={'datasource': {'Ec2': {'strict_id': False}}},
md=DEFAULT_METADATA)
ret = ds.get_data()
self.assertEqual(True, ret)
# vi: ts=4 expandtab
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