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# Copyright 2014 Microsoft Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Requires Python 2.4+ and Openssl 1.0+
#
from tests.tools import *
from azurelinuxagent.common.exception import HttpError, ResourceGoneError
from azurelinuxagent.common.future import httpclient
from azurelinuxagent.common.utils.cryptutil import CryptUtil
DATA_FILE = {
"version_info": "wire/version_info.xml",
"goal_state": "wire/goal_state.xml",
"hosting_env": "wire/hosting_env.xml",
"shared_config": "wire/shared_config.xml",
"certs": "wire/certs.xml",
"ext_conf": "wire/ext_conf.xml",
"manifest": "wire/manifest.xml",
"ga_manifest" : "wire/ga_manifest.xml",
"trans_prv": "wire/trans_prv",
"trans_cert": "wire/trans_cert",
"test_ext": "ext/sample_ext-1.2.0.zip"
}
DATA_FILE_NO_EXT = DATA_FILE.copy()
DATA_FILE_NO_EXT["goal_state"] = "wire/goal_state_no_ext.xml"
DATA_FILE_EXT_NO_SETTINGS = DATA_FILE.copy()
DATA_FILE_EXT_NO_SETTINGS["ext_conf"] = "wire/ext_conf_no_settings.xml"
DATA_FILE_EXT_NO_PUBLIC = DATA_FILE.copy()
DATA_FILE_EXT_NO_PUBLIC["ext_conf"] = "wire/ext_conf_no_public.xml"
DATA_FILE_EXT_AUTOUPGRADE = DATA_FILE.copy()
DATA_FILE_EXT_AUTOUPGRADE["ext_conf"] = "wire/ext_conf_autoupgrade.xml"
DATA_FILE_EXT_INTERNALVERSION = DATA_FILE.copy()
DATA_FILE_EXT_INTERNALVERSION["ext_conf"] = "wire/ext_conf_internalversion.xml"
DATA_FILE_EXT_AUTOUPGRADE_INTERNALVERSION = DATA_FILE.copy()
DATA_FILE_EXT_AUTOUPGRADE_INTERNALVERSION["ext_conf"] = "wire/ext_conf_autoupgrade_internalversion.xml"
class WireProtocolData(object):
def __init__(self, data_files=DATA_FILE):
self.emulate_stale_goal_state = False
self.call_counts = {
"comp=versions" : 0,
"/versions" : 0,
"goalstate" : 0,
"hostingenvuri" : 0,
"sharedconfiguri" : 0,
"certificatesuri" : 0,
"extensionsconfiguri" : 0,
"extensionArtifact" : 0,
"manifest.xml" : 0,
"manifest_of_ga.xml" : 0,
"ExampleHandlerLinux" : 0
}
self.version_info = load_data(data_files.get("version_info"))
self.goal_state = load_data(data_files.get("goal_state"))
self.hosting_env = load_data(data_files.get("hosting_env"))
self.shared_config = load_data(data_files.get("shared_config"))
self.certs = load_data(data_files.get("certs"))
self.ext_conf = load_data(data_files.get("ext_conf"))
self.manifest = load_data(data_files.get("manifest"))
self.ga_manifest = load_data(data_files.get("ga_manifest"))
self.trans_prv = load_data(data_files.get("trans_prv"))
self.trans_cert = load_data(data_files.get("trans_cert"))
self.ext = load_bin_data(data_files.get("test_ext"))
def mock_http_get(self, url, *args, **kwargs):
content = None
resp = MagicMock()
resp.status = httpclient.OK
# wire server versions
if "comp=versions" in url:
content = self.version_info
self.call_counts["comp=versions"] += 1
# HostPlugin versions
elif "/versions" in url:
content = '["2015-09-01"]'
self.call_counts["/versions"] += 1
elif "goalstate" in url:
content = self.goal_state
self.call_counts["goalstate"] += 1
elif "hostingenvuri" in url:
content = self.hosting_env
self.call_counts["hostingenvuri"] += 1
elif "sharedconfiguri" in url:
content = self.shared_config
self.call_counts["sharedconfiguri"] += 1
elif "certificatesuri" in url:
content = self.certs
self.call_counts["certificatesuri"] += 1
elif "extensionsconfiguri" in url:
content = self.ext_conf
self.call_counts["extensionsconfiguri"] += 1
else:
# A stale GoalState results in a 400 from the HostPlugin
# for which the HTTP handler in restutil raises ResourceGoneError
if self.emulate_stale_goal_state:
if "extensionArtifact" in url:
self.emulate_stale_goal_state = False
self.call_counts["extensionArtifact"] += 1
raise ResourceGoneError()
else:
raise HttpError()
# For HostPlugin requests, replace the URL with that passed
# via the x-ms-artifact-location header
if "extensionArtifact" in url:
self.call_counts["extensionArtifact"] += 1
if "headers" not in kwargs or \
"x-ms-artifact-location" not in kwargs["headers"]:
raise Exception("Bad HEADERS passed to HostPlugin: {0}",
kwargs)
url = kwargs["headers"]["x-ms-artifact-location"]
if "manifest.xml" in url:
content = self.manifest
self.call_counts["manifest.xml"] += 1
elif "manifest_of_ga.xml" in url:
content = self.ga_manifest
self.call_counts["manifest_of_ga.xml"] += 1
elif "ExampleHandlerLinux" in url:
content = self.ext
self.call_counts["ExampleHandlerLinux"] += 1
resp.read = Mock(return_value=content)
return resp
else:
raise Exception("Bad url {0}".format(url))
resp.read = Mock(return_value=content.encode("utf-8"))
return resp
def mock_crypt_util(self, *args, **kw):
#Partially patch instance method of class CryptUtil
cryptutil = CryptUtil(*args, **kw)
cryptutil.gen_transport_cert = Mock(side_effect=self.mock_gen_trans_cert)
return cryptutil
def mock_gen_trans_cert(self, trans_prv_file, trans_cert_file):
with open(trans_prv_file, 'w+') as prv_file:
prv_file.write(self.trans_prv)
with open(trans_cert_file, 'w+') as cert_file:
cert_file.write(self.trans_cert)
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