charm-ceph-radosgw/tests/charmhelpers/contrib/openstack/amulet/utils.py

540 lines
22 KiB
Python

# Copyright 2014-2015 Canonical Limited.
#
# This file is part of charm-helpers.
#
# charm-helpers is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3 as
# published by the Free Software Foundation.
#
# charm-helpers is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
import json
import logging
import os
import six
import time
import urllib
import cinderclient.v1.client as cinder_client
import glanceclient.v1.client as glance_client
import heatclient.v1.client as heat_client
import keystoneclient.v2_0 as keystone_client
import novaclient.v1_1.client as nova_client
import swiftclient
from charmhelpers.contrib.amulet.utils import (
AmuletUtils
)
DEBUG = logging.DEBUG
ERROR = logging.ERROR
class OpenStackAmuletUtils(AmuletUtils):
"""OpenStack amulet utilities.
This class inherits from AmuletUtils and has additional support
that is specifically for use by OpenStack charm tests.
"""
def __init__(self, log_level=ERROR):
"""Initialize the deployment environment."""
super(OpenStackAmuletUtils, self).__init__(log_level)
def validate_endpoint_data(self, endpoints, admin_port, internal_port,
public_port, expected):
"""Validate endpoint data.
Validate actual endpoint data vs expected endpoint data. The ports
are used to find the matching endpoint.
"""
self.log.debug('Validating endpoint data...')
self.log.debug('actual: {}'.format(repr(endpoints)))
found = False
for ep in endpoints:
self.log.debug('endpoint: {}'.format(repr(ep)))
if (admin_port in ep.adminurl and
internal_port in ep.internalurl and
public_port in ep.publicurl):
found = True
actual = {'id': ep.id,
'region': ep.region,
'adminurl': ep.adminurl,
'internalurl': ep.internalurl,
'publicurl': ep.publicurl,
'service_id': ep.service_id}
ret = self._validate_dict_data(expected, actual)
if ret:
return 'unexpected endpoint data - {}'.format(ret)
if not found:
return 'endpoint not found'
def validate_svc_catalog_endpoint_data(self, expected, actual):
"""Validate service catalog endpoint data.
Validate a list of actual service catalog endpoints vs a list of
expected service catalog endpoints.
"""
self.log.debug('Validating service catalog endpoint data...')
self.log.debug('actual: {}'.format(repr(actual)))
for k, v in six.iteritems(expected):
if k in actual:
ret = self._validate_dict_data(expected[k][0], actual[k][0])
if ret:
return self.endpoint_error(k, ret)
else:
return "endpoint {} does not exist".format(k)
return ret
def validate_tenant_data(self, expected, actual):
"""Validate tenant data.
Validate a list of actual tenant data vs list of expected tenant
data.
"""
self.log.debug('Validating tenant data...')
self.log.debug('actual: {}'.format(repr(actual)))
for e in expected:
found = False
for act in actual:
a = {'enabled': act.enabled, 'description': act.description,
'name': act.name, 'id': act.id}
if e['name'] == a['name']:
found = True
ret = self._validate_dict_data(e, a)
if ret:
return "unexpected tenant data - {}".format(ret)
if not found:
return "tenant {} does not exist".format(e['name'])
return ret
def validate_role_data(self, expected, actual):
"""Validate role data.
Validate a list of actual role data vs a list of expected role
data.
"""
self.log.debug('Validating role data...')
self.log.debug('actual: {}'.format(repr(actual)))
for e in expected:
found = False
for act in actual:
a = {'name': act.name, 'id': act.id}
if e['name'] == a['name']:
found = True
ret = self._validate_dict_data(e, a)
if ret:
return "unexpected role data - {}".format(ret)
if not found:
return "role {} does not exist".format(e['name'])
return ret
def validate_user_data(self, expected, actual):
"""Validate user data.
Validate a list of actual user data vs a list of expected user
data.
"""
self.log.debug('Validating user data...')
self.log.debug('actual: {}'.format(repr(actual)))
for e in expected:
found = False
for act in actual:
a = {'enabled': act.enabled, 'name': act.name,
'email': act.email, 'tenantId': act.tenantId,
'id': act.id}
if e['name'] == a['name']:
found = True
ret = self._validate_dict_data(e, a)
if ret:
return "unexpected user data - {}".format(ret)
if not found:
return "user {} does not exist".format(e['name'])
return ret
def validate_flavor_data(self, expected, actual):
"""Validate flavor data.
Validate a list of actual flavors vs a list of expected flavors.
"""
self.log.debug('Validating flavor data...')
self.log.debug('actual: {}'.format(repr(actual)))
act = [a.name for a in actual]
return self._validate_list_data(expected, act)
def tenant_exists(self, keystone, tenant):
"""Return True if tenant exists."""
self.log.debug('Checking if tenant exists ({})...'.format(tenant))
return tenant in [t.name for t in keystone.tenants.list()]
def authenticate_cinder_admin(self, keystone_sentry, username,
password, tenant):
"""Authenticates admin user with cinder."""
service_ip = \
keystone_sentry.relation('shared-db',
'mysql:shared-db')['private-address']
ept = "http://{}:5000/v2.0".format(service_ip.strip().decode('utf-8'))
return cinder_client.Client(username, password, tenant, ept)
def authenticate_keystone_admin(self, keystone_sentry, user, password,
tenant):
"""Authenticates admin user with the keystone admin endpoint."""
self.log.debug('Authenticating keystone admin...')
unit = keystone_sentry
service_ip = unit.relation('shared-db',
'mysql:shared-db')['private-address']
ep = "http://{}:35357/v2.0".format(service_ip.strip().decode('utf-8'))
return keystone_client.Client(username=user, password=password,
tenant_name=tenant, auth_url=ep)
def authenticate_keystone_user(self, keystone, user, password, tenant):
"""Authenticates a regular user with the keystone public endpoint."""
self.log.debug('Authenticating keystone user ({})...'.format(user))
ep = keystone.service_catalog.url_for(service_type='identity',
endpoint_type='publicURL')
return keystone_client.Client(username=user, password=password,
tenant_name=tenant, auth_url=ep)
def authenticate_glance_admin(self, keystone):
"""Authenticates admin user with glance."""
self.log.debug('Authenticating glance admin...')
ep = keystone.service_catalog.url_for(service_type='image',
endpoint_type='adminURL')
return glance_client.Client(ep, token=keystone.auth_token)
def authenticate_heat_admin(self, keystone):
"""Authenticates the admin user with heat."""
self.log.debug('Authenticating heat admin...')
ep = keystone.service_catalog.url_for(service_type='orchestration',
endpoint_type='publicURL')
return heat_client.Client(endpoint=ep, token=keystone.auth_token)
def authenticate_nova_user(self, keystone, user, password, tenant):
"""Authenticates a regular user with nova-api."""
self.log.debug('Authenticating nova user ({})...'.format(user))
ep = keystone.service_catalog.url_for(service_type='identity',
endpoint_type='publicURL')
return nova_client.Client(username=user, api_key=password,
project_id=tenant, auth_url=ep)
def authenticate_swift_user(self, keystone, user, password, tenant):
"""Authenticates a regular user with swift api."""
self.log.debug('Authenticating swift user ({})...'.format(user))
ep = keystone.service_catalog.url_for(service_type='identity',
endpoint_type='publicURL')
return swiftclient.Connection(authurl=ep,
user=user,
key=password,
tenant_name=tenant,
auth_version='2.0')
def create_cirros_image(self, glance, image_name):
"""Download the latest cirros image and upload it to glance."""
self.log.debug('Creating glance image ({})...'.format(image_name))
http_proxy = os.getenv('AMULET_HTTP_PROXY')
self.log.debug('AMULET_HTTP_PROXY: {}'.format(http_proxy))
if http_proxy:
proxies = {'http': http_proxy}
opener = urllib.FancyURLopener(proxies)
else:
opener = urllib.FancyURLopener()
f = opener.open("http://download.cirros-cloud.net/version/released")
version = f.read().strip()
cirros_img = "cirros-{}-x86_64-disk.img".format(version)
local_path = os.path.join('tests', cirros_img)
if not os.path.exists(local_path):
cirros_url = "http://{}/{}/{}".format("download.cirros-cloud.net",
version, cirros_img)
opener.retrieve(cirros_url, local_path)
f.close()
with open(local_path) as f:
image = glance.images.create(name=image_name, is_public=True,
disk_format='qcow2',
container_format='bare', data=f)
count = 1
status = image.status
while status != 'active' and count < 10:
time.sleep(3)
image = glance.images.get(image.id)
status = image.status
self.log.debug('image status: {}'.format(status))
count += 1
if status != 'active':
self.log.error('image creation timed out')
return None
return image
def delete_image(self, glance, image):
"""Delete the specified image."""
# /!\ DEPRECATION WARNING
self.log.warn('/!\\ DEPRECATION WARNING: use '
'delete_resource instead of delete_image.')
self.log.debug('Deleting glance image ({})...'.format(image))
num_before = len(list(glance.images.list()))
glance.images.delete(image)
count = 1
num_after = len(list(glance.images.list()))
while num_after != (num_before - 1) and count < 10:
time.sleep(3)
num_after = len(list(glance.images.list()))
self.log.debug('number of images: {}'.format(num_after))
count += 1
if num_after != (num_before - 1):
self.log.error('image deletion timed out')
return False
return True
def create_instance(self, nova, image_name, instance_name, flavor):
"""Create the specified instance."""
self.log.debug('Creating instance '
'({}|{}|{})'.format(instance_name, image_name, flavor))
image = nova.images.find(name=image_name)
flavor = nova.flavors.find(name=flavor)
instance = nova.servers.create(name=instance_name, image=image,
flavor=flavor)
count = 1
status = instance.status
while status != 'ACTIVE' and count < 60:
time.sleep(3)
instance = nova.servers.get(instance.id)
status = instance.status
self.log.debug('instance status: {}'.format(status))
count += 1
if status != 'ACTIVE':
self.log.error('instance creation timed out')
return None
return instance
def delete_instance(self, nova, instance):
"""Delete the specified instance."""
# /!\ DEPRECATION WARNING
self.log.warn('/!\\ DEPRECATION WARNING: use '
'delete_resource instead of delete_instance.')
self.log.debug('Deleting instance ({})...'.format(instance))
num_before = len(list(nova.servers.list()))
nova.servers.delete(instance)
count = 1
num_after = len(list(nova.servers.list()))
while num_after != (num_before - 1) and count < 10:
time.sleep(3)
num_after = len(list(nova.servers.list()))
self.log.debug('number of instances: {}'.format(num_after))
count += 1
if num_after != (num_before - 1):
self.log.error('instance deletion timed out')
return False
return True
def create_or_get_keypair(self, nova, keypair_name="testkey"):
"""Create a new keypair, or return pointer if it already exists."""
try:
_keypair = nova.keypairs.get(keypair_name)
self.log.debug('Keypair ({}) already exists, '
'using it.'.format(keypair_name))
return _keypair
except:
self.log.debug('Keypair ({}) does not exist, '
'creating it.'.format(keypair_name))
_keypair = nova.keypairs.create(name=keypair_name)
return _keypair
def create_cinder_volume(self, cinder, vol_name="demo-vol", vol_size=1):
"""Add and confirm a new volume, 1GB by default."""
self.log.debug('Creating volume ({}|{}GB)'.format(vol_name, vol_size))
vol_new = cinder.volumes.create(display_name=vol_name, size=1)
vol_id = vol_new.id
ret = self.resource_reaches_status(cinder.volumes, vol_id,
expected_stat="available",
msg="Create volume status wait")
if ret:
return vol_new
else:
self.log.error('Failed to create volume.')
return None
def delete_resource(self, resource, resource_id,
msg="resource", max_wait=120):
"""Delete one openstack resource, such as one instance, keypair,
image, volume, stack, etc., and confirm deletion within max wait time.
:param resource: pointer to os resource type, ex:glance_client.images
:param resource_id: unique name or id for the openstack resource
:param msg: text to identify purpose in logging
:param max_wait: maximum wait time in seconds
:returns: True if successful, otherwise False
"""
self.log.debug('Deleting OpenStack resource '
'{} ({})'.format(resource_id, msg))
num_before = len(list(resource.list()))
resource.delete(resource_id)
tries = 0
num_after = len(list(resource.list()))
while num_after != (num_before - 1) and tries < (max_wait / 4):
self.log.debug('{} delete check: '
'{} [{}:{}] {}'.format(msg, tries,
num_before,
num_after,
resource_id))
time.sleep(4)
num_after = len(list(resource.list()))
tries += 1
self.log.debug('{}: expected, actual count = {}, '
'{}'.format(msg, num_before - 1, num_after))
if num_after == (num_before - 1):
return True
else:
self.log.error('{} delete timed out'.format(msg))
return False
def resource_reaches_status(self, resource, resource_id,
expected_stat='available',
msg='resource', max_wait=120):
"""Wait for an openstack resources status to reach an
expected status within a specified time. Useful to confirm that
nova instances, cinder vols, snapshots, glance images, heat stacks
and other resources eventually reach the expected status.
:param resource: pointer to os resource type, ex: heat_client.stacks
:param resource_id: unique id for the openstack resource
:param expected_stat: status to expect resource to reach
:param msg: text to identify purpose in logging
:param max_wait: maximum wait time in seconds
:returns: True if successful, False if status is not reached
"""
tries = 0
resource_stat = resource.get(resource_id).status
while resource_stat != expected_stat and tries < (max_wait / 4):
self.log.debug('{} status check: '
'{} [{}:{}] {}'.format(msg, tries,
resource_stat,
expected_stat,
resource_id))
time.sleep(4)
resource_stat = resource.get(resource_id).status
tries += 1
self.log.debug('{}: expected, actual status = {}, '
'{}'.format(msg, resource_stat, expected_stat))
if resource_stat == expected_stat:
return True
else:
self.log.debug('{} never reached expected status: '
'{}'.format(resource_id, expected_stat))
return False
def get_ceph_osd_id_cmd(self, index):
"""Produce a shell command that will return a ceph-osd id."""
cmd = ("`initctl list | grep 'ceph-osd ' | awk 'NR=={} {{ print $2 }}'"
" | grep -o '[0-9]*'`".format(index + 1))
return cmd
def get_ceph_pools(self, sentry_unit):
"""Return a dict of ceph pools from a single ceph unit, with
pool name as keys, pool id as vals."""
pools = {}
cmd = 'sudo ceph osd lspools'
output, code = sentry_unit.run(cmd)
if code != 0:
msg = ('{} `{}` returned {} '
'{}'.format(sentry_unit.info['unit_name'],
cmd, code, output))
raise RuntimeError(msg)
# Example output: 0 data,1 metadata,2 rbd,3 cinder,4 glance,
for pool in str(output).split(','):
pool_id_name = pool.split(' ')
if len(pool_id_name) == 2:
pool_id = pool_id_name[0]
pool_name = pool_id_name[1]
pools[pool_name] = int(pool_id)
self.log.debug('Pools on {}: {}'.format(sentry_unit.info['unit_name'],
pools))
return pools
def get_ceph_df(self, sentry_unit):
"""Return dict of ceph df json output, including ceph pool state.
:param sentry_unit: Pointer to amulet sentry instance (juju unit)
:returns: Dict of ceph df output
"""
cmd = 'sudo ceph df --format=json'
output, code = sentry_unit.run(cmd)
if code != 0:
msg = ('{} `{}` returned {} '
'{}'.format(sentry_unit.info['unit_name'],
cmd, code, output))
raise RuntimeError(msg)
return json.loads(output)
def get_ceph_pool_sample(self, sentry_unit, pool_id=0):
"""Take a sample of attributes of a ceph pool, returning ceph
pool name, object count and disk space used for the specified
pool ID number.
:param sentry_unit: Pointer to amulet sentry instance (juju unit)
:param pool_id: Ceph pool ID
:returns: List of pool name, object count, kb disk space used
"""
df = self.get_ceph_df(sentry_unit)
pool_name = df['pools'][pool_id]['name']
obj_count = df['pools'][pool_id]['stats']['objects']
kb_used = df['pools'][pool_id]['stats']['kb_used']
self.log.debug('Ceph {} pool (ID {}): {} objects, '
'{} kb used'.format(pool_name,
pool_id,
obj_count,
kb_used))
return pool_name, obj_count, kb_used
def validate_ceph_pool_samples(self, samples, sample_type="resource pool"):
"""Validate ceph pool samples taken over time, such as pool
object counts or pool kb used, before adding, after adding, and
after deleting items which affect those pool attributes. The
2nd element is expected to be greater than the 1st; 3rd is expected
to be less than the 2nd.
:param samples: List containing 3 data samples
:param sample_type: String for logging and usage context
:returns: None if successful, Failure message otherwise
"""
original, created, deleted = range(3)
if samples[created] <= samples[original] or \
samples[deleted] >= samples[created]:
msg = ('Ceph {} samples ({}) '
'unexpected.'.format(sample_type, samples))
return msg
else:
self.log.debug('Ceph {} samples (OK): '
'{}'.format(sample_type, samples))
return None