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# Copyright 2013 OpenStack LLC
#
# 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 troveclient.compat import exceptions
from proboscis import before_class
from proboscis import test
from proboscis.asserts import assert_not_equal
from proboscis.asserts import assert_raises
from proboscis.asserts import assert_true
from proboscis.check import Check
from trove.tests.api.instances import create_new_instance
from trove.tests.api.instances import CreateInstance
from trove.tests.config import CONFIG
from trove.tests.util import create_dbaas_client
from trove.tests.util.users import Requirements
from trove.tests import DBAAS_API
from trove.tests import PRE_INSTANCES
from trove.tests import INSTANCES
GROUP = "dbaas.api.mgmt.hosts"
def percent_boundary(used_ram, total_ram):
"""Return a upper and lower bound for percent ram used."""
calc = int((1.0 * used_ram / total_ram) * 100)
# return calculated percent +/- 2 to account for rounding errors
lower_boundary = calc - 2
upper_boundary = calc + 2
return lower_boundary, upper_boundary
@test(groups=[DBAAS_API, GROUP, PRE_INSTANCES],
depends_on_groups=["services.initialize"],
enabled=create_new_instance())
class HostsBeforeInstanceCreation(object):
@before_class
def setUp(self):
self.user = CONFIG.users.find_user(Requirements(is_admin=True))
self.client = create_dbaas_client(self.user)
self.host = None
@test
def test_empty_index_host_list(self):
host_index_result = self.client.hosts.index()
assert_not_equal(host_index_result, None,
"list hosts call should not be empty: %s" %
str(host_index_result))
assert_true(len(host_index_result) > 0,
"list hosts length should be greater than zero: %r" %
host_index_result)
self.host = host_index_result[0]
assert_true(self.host is not None, "Expected to find a host.")
@test(depends_on=[test_empty_index_host_list])
def test_empty_index_host_list_single(self):
self.host.name = self.host.name.replace(".", "\.")
result = self.client.hosts.get(self.host)
assert_not_equal(result, None,
"Get host should not be empty for: %s" % self.host)
with Check() as check:
used_ram = int(result.usedRAM)
total_ram = int(result.totalRAM)
percent_used = int(result.percentUsed)
lower, upper = percent_boundary(used_ram, total_ram)
check.true(percent_used > lower,
"percentUsed %r is below the lower boundary %r"
% (percent_used, lower))
check.true(percent_used < upper,
"percentUsed %r is above the upper boundary %r"
% (percent_used, upper))
check.true(used_ram < total_ram,
"usedRAM %r should be less than totalRAM %r"
% (used_ram, total_ram))
check.true(percent_used < 100,
"percentUsed should be less than 100 but was %r"
% percent_used)
check.true(total_ram > 0,
"totalRAM should be greater than 0 but was %r"
% total_ram)
check.true(used_ram < total_ram,
"usedRAM %r should be less than totalRAM %r"
% (used_ram, total_ram))
@test(groups=[INSTANCES, GROUP],
depends_on=[CreateInstance],
enabled=create_new_instance())
class HostsMgmtCommands(object):
@before_class
def setUp(self):
self.user = CONFIG.users.find_user(Requirements(is_admin=True))
self.client = create_dbaas_client(self.user)
self.host = None
@test
def test_index_host_list(self):
result = self.client.hosts.index()
assert_not_equal(len(result), 0,
"list hosts should not be empty: %s" % str(result))
hosts = []
# Find a host with a instanceCount > 0
for host in result:
msg = 'Host: %s, Count: %s' % (host.name, host.instanceCount)
hosts.append(msg)
if int(host.instanceCount) > 0:
self.host = host
break
msg = "Unable to find a host with instances: %r" % hosts
assert_not_equal(self.host, None, msg)
@test(depends_on=[test_index_host_list])
def test_index_host_list_single(self):
self.host.name = self.host.name.replace(".", "\.")
result = self.client.hosts.get(self.host)
assert_not_equal(result, None,
"list hosts should not be empty: %s" % str(result))
assert_true(len(result.instances) > 0,
"instance list on the host should not be empty: %r"
% result.instances)
with Check() as check:
used_ram = int(result.usedRAM)
total_ram = int(result.totalRAM)
percent_used = int(result.percentUsed)
lower, upper = percent_boundary(used_ram, total_ram)
check.true(percent_used > lower,
"percentUsed %r is below the lower boundary %r"
% (percent_used, lower))
check.true(percent_used < upper,
"percentUsed %r is above the upper boundary %r"
% (percent_used, upper))
check.true(used_ram < total_ram,
"usedRAM %r should be less than totalRAM %r"
% (used_ram, total_ram))
check.true(percent_used < 100,
"percentUsed should be less than 100 but was %r"
% percent_used)
check.true(total_ram > 0,
"totalRAM should be greater than 0 but was %r"
% total_ram)
check.true(used_ram < total_ram,
"usedRAM %r should be less than totalRAM %r"
% (used_ram, total_ram))
# Check all active instances and validate all the fields exist
active_instance = None
for instance in result.instances:
print("instance: %s" % instance)
if instance['status'] != 'ACTIVE':
continue
active_instance = instance
check.is_not_none(instance['id'])
check.is_not_none(instance['name'])
check.is_not_none(instance['status'])
check.is_not_none(instance['server_id'])
check.is_not_none(instance['tenant_id'])
check.true(active_instance is not None, "No active instances")
def _get_ids(self):
"""Get all the ids of instances that are ACTIVE."""
ids = []
results = self.client.hosts.index()
for host in results:
result = self.client.hosts.get(host)
for instance in result.instances:
if instance['status'] == 'ACTIVE':
ids.append(instance['id'])
return ids
@test
def test_update_hosts(self):
ids = self._get_ids()
assert_not_equal(ids, [], "No active instances found")
before_versions = {}
for _id in ids:
diagnostics = self.client.diagnostics.get(_id)
before_versions[_id] = diagnostics.version
hosts = self.client.hosts.index()
for host in hosts:
self.client.hosts.update_all(host.name)
after_versions = {}
for _id in ids:
diagnostics = self.client.diagnostics.get(_id)
after_versions[_id] = diagnostics.version
assert_not_equal(before_versions, {},
"No versions found before update")
assert_not_equal(after_versions, {},
"No versions found after update")
if CONFIG.fake_mode:
for _id in after_versions:
assert_not_equal(before_versions[_id], after_versions[_id])
@test
def test_host_not_found(self):
hostname = "host@$%3dne"
assert_raises(exceptions.NotFound, self.client.hosts.get, hostname)
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