Plain Hadoop (vanilla) provisioning plugin for Sahara
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# Copyright (c) 2017 EasyStack 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
import six
import testtools
from sahara.plugins import exceptions as ex
from sahara.plugins import resource as r
from sahara.plugins import testutils
from sahara_plugin_vanilla.plugins.vanilla.v2_8_2.edp_engine import \
EdpOozieEngine
from sahara_plugin_vanilla.plugins.vanilla.v2_8_2.edp_engine import \
EdpSparkEngine
from sahara_plugin_vanilla.plugins.vanilla.v2_8_2 import versionhandler as v_h
from sahara_plugin_vanilla.tests.unit import base
class TestConfig(object):
def __init__(self, applicable_target, name, default_value):
self.applicable_target = applicable_target
self.name = name
self.default_value = default_value
class VersionHandlerTest(base.SaharaTestCase):
plugin_path = 'sahara_plugin_vanilla.plugins.vanilla.'
plugin_hadoop2_path = 'sahara_plugin_vanilla.plugins.vanilla.hadoop2.'
def setUp(self):
super(VersionHandlerTest, self).setUp()
self.cluster = mock.Mock()
self.vh = v_h.VersionHandler()
def test_get_plugin_configs(self):
self.vh.pctx['all_confs'] = 'haha'
conf = self.vh.get_plugin_configs()
self.assertEqual(conf, 'haha')
def test_get_node_processes(self):
processes = self.vh.get_node_processes()
for k, v in six.iteritems(processes):
for p in v:
self.assertIsInstance(p, str)
@mock.patch(plugin_hadoop2_path +
'validation.validate_cluster_creating')
def test_validate(self, validate_create):
self.vh.pctx = mock.Mock()
self.vh.validate(self.cluster)
validate_create.assert_called_once_with(self.vh.pctx,
self.cluster)
@mock.patch(plugin_path +
'v2_8_2.versionhandler.VersionHandler.update_infra')
def test_update_infra(self, update_infra):
self.vh.update_infra(self.cluster)
update_infra.assert_called_once_with(self.cluster)
@mock.patch(plugin_hadoop2_path + 'config.configure_cluster')
def test_configure_cluster(self, configure_cluster):
self.vh.pctx = mock.Mock()
self.vh.configure_cluster(self.cluster)
configure_cluster.assert_called_once_with(self.vh.pctx, self.cluster)
@mock.patch(plugin_path + 'v2_8_2.versionhandler.run')
@mock.patch(plugin_path + 'v2_8_2.versionhandler.starting_scripts')
@mock.patch('sahara.plugins.swift_helper.install_ssl_certs')
@mock.patch(plugin_hadoop2_path + 'keypairs.provision_keypairs')
@mock.patch('sahara.plugins.utils.get_instances')
@mock.patch('sahara.plugins.utils.cluster_get_instances')
def test_start_cluster(self, c_get_instances, u_get_instances,
provision_keypairs, install_ssl_certs,
s_scripts, run):
self.vh.pctx = mock.Mock()
instances = mock.Mock()
c_get_instances.return_value = instances
u_get_instances.return_value = instances
self.vh._set_cluster_info = mock.Mock()
self.vh.start_cluster(self.cluster)
provision_keypairs.assert_called_once_with(self.cluster)
s_scripts.start_namenode.assert_called_once_with(self.cluster)
s_scripts.start_secondarynamenode.assert_called_once_with(self.cluster)
s_scripts.start_resourcemanager.assert_called_once_with(self.cluster)
s_scripts.start_historyserver.assert_called_once_with(self.cluster)
s_scripts.start_oozie.assert_called_once_with(self.vh.pctx,
self.cluster)
s_scripts.start_hiveserver.assert_called_once_with(self.vh.pctx,
self.cluster)
s_scripts.start_spark.assert_called_once_with(self.cluster)
run.start_dn_nm_processes.assert_called_once_with(instances)
run.await_datanodes.assert_called_once_with(self.cluster)
install_ssl_certs.assert_called_once_with(instances)
self.vh._set_cluster_info.assert_called_once_with(self.cluster)
@mock.patch(plugin_hadoop2_path + 'scaling.decommission_nodes')
def test_decommission_nodes(self, decommission_nodes):
self.vh.pctx = mock.Mock()
cluster = mock.Mock()
instances = mock.Mock()
self.vh.decommission_nodes(cluster, instances)
decommission_nodes.assert_called_once_with(self.vh.pctx,
cluster,
instances)
@mock.patch('sahara.plugins.utils.general.get_by_id')
@mock.patch(plugin_hadoop2_path +
'validation.validate_additional_ng_scaling')
@mock.patch(plugin_hadoop2_path +
'validation.validate_existing_ng_scaling')
def test_validate_scaling(self, vls, vla, get_by_id):
self.vh.pctx['all_confs'] = [TestConfig('HDFS', 'dfs.replication', -1)]
ng1 = testutils.make_ng_dict('ng1', '40', ['namenode'], 1)
ng2 = testutils.make_ng_dict('ng2', '41', ['datanode'], 2)
ng3 = testutils.make_ng_dict('ng3', '42', ['datanode'], 3)
additional = [ng2['id'], ng3['id']]
existing = {ng2['id']: 1}
cluster = testutils.create_cluster('test-cluster', 'tenant1', 'fake',
'0.1', [ng1, ng2, ng3])
self.vh.validate_scaling(cluster, existing, additional)
vla.assert_called_once_with(cluster, additional)
vls.assert_called_once_with(self.vh.pctx, cluster, existing)
ng4 = testutils.make_ng_dict('ng4', '43', ['datanode', 'zookeeper'], 3)
ng5 = testutils.make_ng_dict('ng5', '44', ['datanode', 'zookeeper'], 1)
existing = {ng4['id']: 2}
additional = {ng5['id']}
cluster = testutils.create_cluster('test-cluster', 'tenant1', 'fake',
'0.1', [ng1, ng4])
with testtools.ExpectedException(ex.ClusterCannotBeScaled):
self.vh.validate_scaling(cluster, existing, {})
get_by_id.return_value = r.create_node_group_resource(ng5)
with testtools.ExpectedException(ex.ClusterCannotBeScaled):
self.vh.validate_scaling(cluster, {}, additional)
@mock.patch(plugin_hadoop2_path + 'scaling.scale_cluster')
@mock.patch(plugin_hadoop2_path + 'keypairs.provision_keypairs')
def test_scale_cluster(self, provision_keypairs, scale_cluster):
self.vh.pctx = mock.Mock()
instances = mock.Mock()
self.vh.scale_cluster(self.cluster, instances)
provision_keypairs.assert_called_once_with(self.cluster,
instances)
scale_cluster.assert_called_once_with(self.vh.pctx,
self.cluster,
instances)
@mock.patch("sahara.plugins.conductor.cluster_update")
@mock.patch("sahara.plugins.context.ctx")
@mock.patch(plugin_path + 'utils.get_namenode')
@mock.patch(plugin_path + 'utils.get_resourcemanager')
@mock.patch(plugin_path + 'utils.get_historyserver')
@mock.patch(plugin_path + 'utils.get_oozie')
@mock.patch(plugin_path + 'utils.get_spark_history_server')
def test_set_cluster_info(self, get_spark_history_server, get_oozie,
get_historyserver, get_resourcemanager,
get_namenode, ctx, cluster_update):
get_spark_history_server.return_value.management_ip = '1.2.3.0'
get_oozie.return_value.get_ip_or_dns_name = mock.Mock(
return_value='1.2.3.1')
get_historyserver.return_value.get_ip_or_dns_name = mock.Mock(
return_value='1.2.3.2')
get_resourcemanager.return_value.get_ip_or_dns_name = mock.Mock(
return_value='1.2.3.3')
get_namenode.return_value.get_ip_or_dns_name = mock.Mock(
return_value='1.2.3.4')
get_namenode.return_value.hostname = mock.Mock(
return_value='testnode')
self.vh._set_cluster_info(self.cluster)
info = {'YARN': {
'Web UI': 'http://1.2.3.3:8088',
'ResourceManager': 'http://1.2.3.3:8032'
},
'HDFS': {
'Web UI': 'http://1.2.3.4:50070',
'NameNode': 'hdfs://testnode:9000'
},
'JobFlow': {
'Oozie': 'http://1.2.3.1:11000'
},
'MapReduce JobHistory Server': {
'Web UI': 'http://1.2.3.2:19888'
},
'Apache Spark': {
'Spark UI': 'http://1.2.3.0:4040',
'Spark History Server UI': 'http://1.2.3.0:18080'
}
}
cluster_update.assert_called_once_with(ctx(), self.cluster,
{'info': info})
@mock.patch("sahara.plugins.edp.get_plugin")
@mock.patch('sahara.plugins.utils.get_instance')
@mock.patch('os.path.join')
def test_get_edp_engine(self, join, get_instance, get_plugin):
job_type = ''
ret = self.vh.get_edp_engine(self.cluster, job_type)
self.assertIsNone(ret)
job_type = 'Java'
ret = self.vh.get_edp_engine(self.cluster, job_type)
self.assertIsInstance(ret, EdpOozieEngine)
job_type = 'Spark'
ret = self.vh.get_edp_engine(self.cluster, job_type)
self.assertIsInstance(ret, EdpSparkEngine)
def test_get_edp_job_types(self):
job_types = ['Hive', 'Java', 'MapReduce',
'MapReduce.Streaming', 'Pig', 'Shell', 'Spark']
self.assertEqual(self.vh.get_edp_job_types(), job_types)
def test_get_edp_config_hints(self):
job_type = 'Java'
ret = {'job_config': {'args': [], 'configs': []}}
self.assertEqual(self.vh.get_edp_config_hints(job_type), ret)
@mock.patch(plugin_hadoop2_path + 'utils.delete_oozie_password')
@mock.patch(plugin_hadoop2_path + 'keypairs.drop_key')
def test_on_terminate_cluster(self, delete_oozie_password, drop_key):
self.vh.on_terminate_cluster(self.cluster)
delete_oozie_password.assert_called_once_with(self.cluster)
drop_key.assert_called_once_with(self.cluster)
@mock.patch(plugin_hadoop2_path + 'config.get_open_ports')
def test_get_open_ports(self, get_open_ports):
node_group = mock.Mock()
self.vh.get_open_ports(node_group)
get_open_ports.assert_called_once_with(node_group)
@mock.patch(plugin_hadoop2_path +
'recommendations_utils.recommend_configs')
def test_recommend_configs(self, recommend_configs):
scaling = mock.Mock()
configs = mock.Mock()
self.vh.pctx['all_confs'] = configs
self.vh.recommend_configs(self.cluster, scaling)
recommend_configs.assert_called_once_with(self.cluster,
configs,
scaling)