sahara-plugin-ambari/sahara_plugin_ambari/tests/unit/plugins/ambari/test_client.py

373 lines
14 KiB
Python

# Copyright (c) 2015 Mirantis Inc.
#
# 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.
from unittest import mock
from oslo_serialization import jsonutils
from sahara.plugins import exceptions as p_exc
from sahara_plugin_ambari.plugins.ambari import client as ambari_client
from sahara_plugin_ambari.tests.unit import base
class AmbariClientTestCase(base.SaharaTestCase):
def setUp(self):
super(AmbariClientTestCase, self).setUp()
self.http_client = mock.Mock()
self.http_client.get = mock.Mock()
self.http_client.post = mock.Mock()
self.http_client.put = mock.Mock()
self.http_client.delete = mock.Mock()
self.headers = {"X-Requested-By": "sahara"}
self.remote = mock.Mock()
self.remote.get_http_client.return_value = self.http_client
self.instance = mock.Mock()
self.instance.remote.return_value = self.remote
self.instance.management_ip = "1.2.3.4"
self.good_pending_resp = mock.MagicMock()
self.good_pending_resp.status_code = 200
self.good_pending_resp.text = ('{"Requests": '
'{"id": 1, "status": "PENDING"}}')
def test_init_client_default(self):
client = ambari_client.AmbariClient(self.instance)
self.assertEqual(self.http_client, client._http_client)
self.assertEqual("http://1.2.3.4:8080/api/v1", client._base_url)
self.assertEqual("admin", client._auth.username)
self.assertEqual("admin", client._auth.password)
self.remote.get_http_client.assert_called_with("8080")
def test_init_client_manual(self):
client = ambari_client.AmbariClient(self.instance, port="1234",
username="user", password="pass")
self.assertEqual("http://1.2.3.4:1234/api/v1", client._base_url)
self.assertEqual("user", client._auth.username)
self.assertEqual("pass", client._auth.password)
self.remote.get_http_client.assert_called_with("1234")
def test_close_http_session(self):
with ambari_client.AmbariClient(self.instance):
pass
self.remote.close_http_session.assert_called_with("8080")
def test_get_method(self):
client = ambari_client.AmbariClient(self.instance)
client.get("http://spam")
self.http_client.get.assert_called_with(
"http://spam", verify=False, auth=client._auth,
headers=self.headers)
def test_post_method(self):
client = ambari_client.AmbariClient(self.instance)
client.post("http://spam", data="data")
self.http_client.post.assert_called_with(
"http://spam", data="data", verify=False, auth=client._auth,
headers=self.headers)
def test_put_method(self):
client = ambari_client.AmbariClient(self.instance)
client.put("http://spam", data="data")
self.http_client.put.assert_called_with(
"http://spam", data="data", verify=False, auth=client._auth,
headers=self.headers)
def test_delete_method(self):
client = ambari_client.AmbariClient(self.instance)
client.delete("http://spam")
self.http_client.delete.assert_called_with(
"http://spam", verify=False, auth=client._auth,
headers=self.headers)
def test_import_credential(self):
resp = mock.Mock()
resp.text = ""
resp.status_code = 200
self.http_client.post.return_value = resp
client = ambari_client.AmbariClient(self.instance)
client.import_credential("test", alias="credential",
data={"some": "data"})
self.http_client.post.assert_called_once_with(
"http://1.2.3.4:8080/api/v1/clusters/test/credentials/credential",
verify=False, data=jsonutils.dumps({"some": "data"}),
auth=client._auth, headers=self.headers)
def test_get_credential(self):
resp = mock.Mock()
resp.text = ""
resp.status_code = 200
self.http_client.get.return_value = resp
client = ambari_client.AmbariClient(self.instance)
client.get_credential("test", alias="credential")
self.http_client.get.assert_called_once_with(
"http://1.2.3.4:8080/api/v1/clusters/test/credentials/credential",
verify=False, auth=client._auth, headers=self.headers)
resp.status_code = 404
self.assertRaises(ambari_client.AmbariNotFound,
ambari_client.AmbariClient.check_response,
resp, True)
@mock.patch("sahara_plugin_ambari.plugins.ambari.client."
"AmbariClient.check_response")
def test_get_alerts_data(self, mock_check_response):
cluster = mock.Mock()
cluster.name = "test_cluster"
client = ambari_client.AmbariClient(self.instance)
# check_response returning empty json
mock_check_response.return_value = {}
res = client.get_alerts_data(cluster)
self.assertEqual(res, [])
self.http_client.get.assert_called_once_with(
"http://1.2.3.4:8080/api/v1/clusters/test_cluster/alerts?fields=*",
verify=False, auth=client._auth,
headers=self.headers)
mock_check_response.assert_called_once()
# check_response returning json with items as key
mock_check_response.return_value = {'items': ['item1', 'item2']}
res = client.get_alerts_data(cluster)
self.assertEqual(res, ['item1', 'item2'])
self.http_client.get.assert_called_with(
"http://1.2.3.4:8080/api/v1/clusters/test_cluster/alerts?fields=*",
verify=False, auth=client._auth,
headers=self.headers)
self.assertEqual(self.http_client.get.call_count, 2)
self.assertEqual(mock_check_response.call_count, 2)
def test_check_response(self):
resp = mock.Mock()
resp.status_code = 404
self.assertRaises(ambari_client.AmbariNotFound,
ambari_client.AmbariClient.check_response,
resp, True)
resp.status_code = 200
resp.text = '{"json": "example"}'
resp.raise_for_status = mock.Mock()
res = ambari_client.AmbariClient.check_response(resp)
self.assertEqual(res, {"json": "example"})
resp.raise_for_status.assert_called_once()
def test_req_id(self):
resp = mock.Mock()
resp.text = None
self.assertRaises(p_exc.HadoopProvisionError,
ambari_client.AmbariClient.req_id, resp)
resp.text = '{"text" : "example"}'
self.assertRaises(p_exc.HadoopProvisionError,
ambari_client.AmbariClient.req_id, resp)
resp.text = '{"Requests": {"example" : "text"}}'
self.assertRaises(p_exc.HadoopProvisionError,
ambari_client.AmbariClient.req_id, resp)
resp.text = '{"Requests" : {"id" : "test_id"}}'
res = ambari_client.AmbariClient.req_id(resp)
self.assertEqual(res, "test_id")
def test_get_registered_hosts(self):
client = ambari_client.AmbariClient(self.instance)
resp_data = """{
"href" : "http://1.2.3.4:8080/api/v1/hosts",
"items" : [
{
"href" : "http://1.2.3.4:8080/api/v1/hosts/host1",
"Hosts" : {
"host_name" : "host1"
}
},
{
"href" : "http://1.2.3.4:8080/api/v1/hosts/host2",
"Hosts" : {
"host_name" : "host2"
}
},
{
"href" : "http://1.2.3.4:8080/api/v1/hosts/host3",
"Hosts" : {
"host_name" : "host3"
}
}
]
}"""
resp = mock.Mock()
resp.text = resp_data
resp.status_code = 200
self.http_client.get.return_value = resp
hosts = client.get_registered_hosts()
self.http_client.get.assert_called_with(
"http://1.2.3.4:8080/api/v1/hosts", verify=False,
auth=client._auth, headers=self.headers)
self.assertEqual(3, len(hosts))
self.assertEqual("host1", hosts[0]["Hosts"]["host_name"])
self.assertEqual("host2", hosts[1]["Hosts"]["host_name"])
self.assertEqual("host3", hosts[2]["Hosts"]["host_name"])
def test_update_user_password(self):
client = ambari_client.AmbariClient(self.instance)
resp = mock.Mock()
resp.text = ""
resp.status_code = 200
self.http_client.put.return_value = resp
client.update_user_password("bart", "old_pw", "new_pw")
exp_req = jsonutils.dumps({
"Users": {
"old_password": "old_pw",
"password": "new_pw"
}
})
self.http_client.put.assert_called_with(
"http://1.2.3.4:8080/api/v1/users/bart", data=exp_req,
verify=False, auth=client._auth, headers=self.headers)
def test_create_blueprint(self):
client = ambari_client.AmbariClient(self.instance)
resp = mock.Mock()
resp.text = ""
resp.status_code = 200
self.http_client.post.return_value = resp
client.create_blueprint("cluster_name", {"some": "data"})
self.http_client.post.assert_called_with(
"http://1.2.3.4:8080/api/v1/blueprints/cluster_name",
data=jsonutils.dumps({"some": "data"}), verify=False,
auth=client._auth, headers=self.headers)
def test_create_cluster(self):
client = ambari_client.AmbariClient(self.instance)
resp = mock.Mock()
resp.text = """{
"Requests": {
"id": 1,
"status": "InProgress"
}
}"""
resp.status_code = 200
self.http_client.post.return_value = resp
req_info = client.create_cluster("cluster_name", {"some": "data"})
self.assertEqual(1, req_info["id"])
self.http_client.post.assert_called_with(
"http://1.2.3.4:8080/api/v1/clusters/cluster_name",
data=jsonutils.dumps({"some": "data"}), verify=False,
auth=client._auth, headers=self.headers)
def test_add_host_to_cluster(self):
client = ambari_client.AmbariClient(self.instance)
resp = mock.Mock()
resp.text = ""
resp.status_code = 200
self.http_client.post.return_value = resp
instance = mock.MagicMock()
instance.fqdn.return_value = "i1"
instance.cluster.name = "cl"
client.add_host_to_cluster(instance)
self.http_client.post.assert_called_with(
"http://1.2.3.4:8080/api/v1/clusters/cl/hosts/i1",
verify=False, auth=client._auth, headers=self.headers)
def test_start_process_on_host(self):
client = ambari_client.AmbariClient(self.instance)
self.http_client.put.return_value = self.good_pending_resp
client.wait_ambari_request = mock.MagicMock()
instance = mock.MagicMock()
instance.fqdn.return_value = "i1"
instance.cluster.name = "cl"
client.start_service_on_host(instance, "HDFS", 'STATE')
self.http_client.put.assert_called_with(
"http://1.2.3.4:8080/api/v1/clusters/"
"cl/hosts/i1/host_components/HDFS",
data=jsonutils.dumps(
{
"HostRoles": {"state": "STATE"},
"RequestInfo": {
"context": "Starting service HDFS, "
"moving to state STATE"}
}),
verify=False, auth=client._auth, headers=self.headers)
def test_stop_process_on_host(self):
client = ambari_client.AmbariClient(self.instance)
check_mock = mock.MagicMock()
check_mock.status_code = 200
check_mock.text = '{"HostRoles": {"state": "SOME_STATE"}}'
self.http_client.get.return_value = check_mock
self.http_client.put.return_value = self.good_pending_resp
client.wait_ambari_request = mock.MagicMock()
instance = mock.MagicMock()
instance.fqdn.return_value = "i1"
client.stop_process_on_host("cluster_name", instance, "p1")
self.http_client.put.assert_called_with(
"http://1.2.3.4:8080/api/v1/clusters/"
"cluster_name/hosts/i1/host_components/p1",
data=jsonutils.dumps(
{
"HostRoles": {"state": "INSTALLED"},
"RequestInfo": {"context": "Stopping p1"}
}),
verify=False, auth=client._auth, headers=self.headers)
@mock.patch("sahara_plugin_ambari.plugins.ambari.client.context")
def test_wait_ambari_request(self, mock_context):
client = ambari_client.AmbariClient(self.instance)
check_mock = mock.MagicMock()
d1 = {"request_context": "r1", "request_status": "PENDING",
"progress_percent": 42}
d2 = {"request_context": "r1", "request_status": "COMPLETED",
"progress_percent": 100}
check_mock.side_effect = [d1, d2]
client.check_request_status = check_mock
client.wait_ambari_request("id1", "c1")
check_mock.assert_has_calls([mock.call("c1", "id1"),
mock.call("c1", "id1")])
@mock.patch("sahara_plugin_ambari.plugins.ambari.client.context")
def test_wait_ambari_request_error(self, mock_context):
client = ambari_client.AmbariClient(self.instance)
check_mock = mock.MagicMock()
d1 = {"request_context": "r1", "request_status": "ERROR",
"progress_percent": 146}
check_mock.return_value = d1
client.check_request_status = check_mock
self.assertRaises(p_exc.HadoopProvisionError,
client.wait_ambari_request, "id1", "c1")