From c1d7e8119ff7d74481c977bd5aba076fad4a048d Mon Sep 17 00:00:00 2001 From: Corey Bryant Date: Thu, 16 Jul 2015 20:17:53 +0000 Subject: [PATCH] Sync charm-helpers. --- .../contrib/openstack/amulet/deployment.py | 39 ++- .../contrib/openstack/amulet/utils.py | 287 +++++++++++++++--- .../charmhelpers/contrib/openstack/context.py | 15 +- .../contrib/openstack/templates/ceph.conf | 12 +- hooks/charmhelpers/contrib/openstack/utils.py | 14 +- .../contrib/storage/linux/ceph.py | 12 +- hooks/charmhelpers/core/hookenv.py | 129 +++++--- hooks/charmhelpers/core/host.py | 36 ++- hooks/charmhelpers/core/services/base.py | 21 +- hooks/charmhelpers/core/services/helpers.py | 4 +- hooks/charmhelpers/fetch/__init__.py | 23 +- hooks/charmhelpers/fetch/archiveurl.py | 8 +- hooks/charmhelpers/fetch/giturl.py | 2 +- tests/charmhelpers/contrib/amulet/utils.py | 131 +++++++- .../contrib/openstack/amulet/deployment.py | 39 ++- .../contrib/openstack/amulet/utils.py | 287 +++++++++++++++--- 16 files changed, 869 insertions(+), 190 deletions(-) diff --git a/hooks/charmhelpers/contrib/openstack/amulet/deployment.py b/hooks/charmhelpers/contrib/openstack/amulet/deployment.py index c664c9d0..b01e6cb8 100644 --- a/hooks/charmhelpers/contrib/openstack/amulet/deployment.py +++ b/hooks/charmhelpers/contrib/openstack/amulet/deployment.py @@ -79,9 +79,9 @@ class OpenStackAmuletDeployment(AmuletDeployment): services.append(this_service) use_source = ['mysql', 'mongodb', 'rabbitmq-server', 'ceph', 'ceph-osd', 'ceph-radosgw'] - # Openstack subordinate charms do not expose an origin option as that - # is controlled by the principle - ignore = ['neutron-openvswitch'] + # Most OpenStack subordinate charms do not expose an origin option + # as that is controlled by the principle. + ignore = ['cinder-ceph', 'hacluster', 'neutron-openvswitch'] if self.openstack: for svc in services: @@ -148,3 +148,36 @@ class OpenStackAmuletDeployment(AmuletDeployment): return os_origin.split('%s-' % self.series)[1].split('/')[0] else: return releases[self.series] + + def get_ceph_expected_pools(self, radosgw=False): + """Return a list of expected ceph pools in a ceph + cinder + glance + test scenario, based on OpenStack release and whether ceph radosgw + is flagged as present or not.""" + + if self._get_openstack_release() >= self.trusty_kilo: + # Kilo or later + pools = [ + 'rbd', + 'cinder', + 'glance' + ] + else: + # Juno or earlier + pools = [ + 'data', + 'metadata', + 'rbd', + 'cinder', + 'glance' + ] + + if radosgw: + pools.extend([ + '.rgw.root', + '.rgw.control', + '.rgw', + '.rgw.gc', + '.users.uid' + ]) + + return pools diff --git a/hooks/charmhelpers/contrib/openstack/amulet/utils.py b/hooks/charmhelpers/contrib/openstack/amulet/utils.py index 576bf0b5..03f79277 100644 --- a/hooks/charmhelpers/contrib/openstack/amulet/utils.py +++ b/hooks/charmhelpers/contrib/openstack/amulet/utils.py @@ -14,16 +14,20 @@ # You should have received a copy of the GNU Lesser General Public License # along with charm-helpers. If not, see . +import amulet +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 @@ -171,6 +175,16 @@ class OpenStackAmuletUtils(AmuletUtils): 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.""" + # NOTE(beisner): cinder python client doesn't accept tokens. + 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.""" @@ -212,9 +226,29 @@ class OpenStackAmuletUtils(AmuletUtils): 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)) + """Download the latest cirros image and upload it to glance, + validate and return a resource pointer. + + :param glance: pointer to authenticated glance connection + :param image_name: display name for new image + :returns: glance image pointer + """ + self.log.debug('Creating glance cirros image ' + '({})...'.format(image_name)) + + # Download cirros image http_proxy = os.getenv('AMULET_HTTP_PROXY') self.log.debug('AMULET_HTTP_PROXY: {}'.format(http_proxy)) if http_proxy: @@ -223,33 +257,51 @@ class OpenStackAmuletUtils(AmuletUtils): else: opener = urllib.FancyURLopener() - f = opener.open("http://download.cirros-cloud.net/version/released") + f = opener.open('http://download.cirros-cloud.net/version/released') version = f.read().strip() - cirros_img = "cirros-{}-x86_64-disk.img".format(version) + 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", + cirros_url = 'http://{}/{}/{}'.format('download.cirros-cloud.net', version, cirros_img) opener.retrieve(cirros_url, local_path) f.close() + # Create glance image 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 + # Wait for image to reach active status + img_id = image.id + ret = self.resource_reaches_status(glance.images, img_id, + expected_stat='active', + msg='Image status wait') + if not ret: + msg = 'Glance image failed to reach expected state.' + amulet.raise_status(amulet.FAIL, msg=msg) + + # Re-validate new image + self.log.debug('Validating image attributes...') + val_img_name = glance.images.get(img_id).name + val_img_stat = glance.images.get(img_id).status + val_img_pub = glance.images.get(img_id).is_public + val_img_cfmt = glance.images.get(img_id).container_format + val_img_dfmt = glance.images.get(img_id).disk_format + msg_attr = ('Image attributes - name:{} public:{} id:{} stat:{} ' + 'container fmt:{} disk fmt:{}'.format( + val_img_name, val_img_pub, img_id, + val_img_stat, val_img_cfmt, val_img_dfmt)) + + if val_img_name == image_name and val_img_stat == 'active' \ + and val_img_pub is True and val_img_cfmt == 'bare' \ + and val_img_dfmt == 'qcow2': + self.log.debug(msg_attr) + else: + msg = ('Volume validation failed, {}'.format(msg_attr)) + amulet.raise_status(amulet.FAIL, msg=msg) return image @@ -260,22 +312,7 @@ class OpenStackAmuletUtils(AmuletUtils): 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 + return self.delete_resource(glance.images, image, msg='glance image') def create_instance(self, nova, image_name, instance_name, flavor): """Create the specified instance.""" @@ -308,22 +345,8 @@ class OpenStackAmuletUtils(AmuletUtils): 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 + return self.delete_resource(nova.servers, instance, + msg='nova instance') def create_or_get_keypair(self, nova, keypair_name="testkey"): """Create a new keypair, or return pointer if it already exists.""" @@ -339,6 +362,88 @@ class OpenStackAmuletUtils(AmuletUtils): _keypair = nova.keypairs.create(name=keypair_name) return _keypair + def create_cinder_volume(self, cinder, vol_name="demo-vol", vol_size=1, + img_id=None, src_vol_id=None, snap_id=None): + """Create cinder volume, optionally from a glance image, OR + optionally as a clone of an existing volume, OR optionally + from a snapshot. Wait for the new volume status to reach + the expected status, validate and return a resource pointer. + + :param vol_name: cinder volume display name + :param vol_size: size in gigabytes + :param img_id: optional glance image id + :param src_vol_id: optional source volume id to clone + :param snap_id: optional snapshot id to use + :returns: cinder volume pointer + """ + # Handle parameter input and avoid impossible combinations + if img_id and not src_vol_id and not snap_id: + # Create volume from image + self.log.debug('Creating cinder volume from glance image...') + bootable = 'true' + elif src_vol_id and not img_id and not snap_id: + # Clone an existing volume + self.log.debug('Cloning cinder volume...') + bootable = cinder.volumes.get(src_vol_id).bootable + elif snap_id and not src_vol_id and not img_id: + # Create volume from snapshot + self.log.debug('Creating cinder volume from snapshot...') + snap = cinder.volume_snapshots.find(id=snap_id) + vol_size = snap.size + snap_vol_id = cinder.volume_snapshots.get(snap_id).volume_id + bootable = cinder.volumes.get(snap_vol_id).bootable + elif not img_id and not src_vol_id and not snap_id: + # Create volume + self.log.debug('Creating cinder volume...') + bootable = 'false' + else: + # Impossible combination of parameters + msg = ('Invalid method use - name:{} size:{} img_id:{} ' + 'src_vol_id:{} snap_id:{}'.format(vol_name, vol_size, + img_id, src_vol_id, + snap_id)) + amulet.raise_status(amulet.FAIL, msg=msg) + + # Create new volume + try: + vol_new = cinder.volumes.create(display_name=vol_name, + imageRef=img_id, + size=vol_size, + source_volid=src_vol_id, + snapshot_id=snap_id) + vol_id = vol_new.id + except Exception as e: + msg = 'Failed to create volume: {}'.format(e) + amulet.raise_status(amulet.FAIL, msg=msg) + + # Wait for volume to reach available status + ret = self.resource_reaches_status(cinder.volumes, vol_id, + expected_stat="available", + msg="Volume status wait") + if not ret: + msg = 'Cinder volume failed to reach expected state.' + amulet.raise_status(amulet.FAIL, msg=msg) + + # Re-validate new volume + self.log.debug('Validating volume attributes...') + val_vol_name = cinder.volumes.get(vol_id).display_name + val_vol_boot = cinder.volumes.get(vol_id).bootable + val_vol_stat = cinder.volumes.get(vol_id).status + val_vol_size = cinder.volumes.get(vol_id).size + msg_attr = ('Volume attributes - name:{} id:{} stat:{} boot:' + '{} size:{}'.format(val_vol_name, vol_id, + val_vol_stat, val_vol_boot, + val_vol_size)) + + if val_vol_boot == bootable and val_vol_stat == 'available' \ + and val_vol_name == vol_name and val_vol_size == vol_size: + self.log.debug(msg_attr) + else: + msg = ('Volume validation failed, {}'.format(msg_attr)) + amulet.raise_status(amulet.FAIL, msg=msg) + + return vol_new + def delete_resource(self, resource, resource_id, msg="resource", max_wait=120): """Delete one openstack resource, such as one instance, keypair, @@ -350,6 +455,8 @@ class OpenStackAmuletUtils(AmuletUtils): :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) @@ -411,3 +518,87 @@ class OpenStackAmuletUtils(AmuletUtils): 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.""" + return ("`initctl list | grep 'ceph-osd ' | " + "awk 'NR=={} {{ print $2 }}' | " + "grep -o '[0-9]*'`".format(index + 1)) + + 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)) + amulet.raise_status(amulet.FAIL, msg=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)) + amulet.raise_status(amulet.FAIL, msg=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]: + return ('Ceph {} samples ({}) ' + 'unexpected.'.format(sample_type, samples)) + else: + self.log.debug('Ceph {} samples (OK): ' + '{}'.format(sample_type, samples)) + return None diff --git a/hooks/charmhelpers/contrib/openstack/context.py b/hooks/charmhelpers/contrib/openstack/context.py index ab400060..8f3f1b15 100644 --- a/hooks/charmhelpers/contrib/openstack/context.py +++ b/hooks/charmhelpers/contrib/openstack/context.py @@ -122,21 +122,24 @@ def config_flags_parser(config_flags): of specifying multiple key value pairs within the same string. For example, a string in the format of 'key1=value1, key2=value2' will return a dict of: - {'key1': 'value1', - 'key2': 'value2'}. + + {'key1': 'value1', + 'key2': 'value2'}. 2. A string in the above format, but supporting a comma-delimited list of values for the same key. For example, a string in the format of 'key1=value1, key2=value3,value4,value5' will return a dict of: - {'key1', 'value1', - 'key2', 'value2,value3,value4'} + + {'key1', 'value1', + 'key2', 'value2,value3,value4'} 3. A string containing a colon character (:) prior to an equal character (=) will be treated as yaml and parsed as such. This can be used to specify more complex key value pairs. For example, a string in the format of 'key1: subkey1=value1, subkey2=value2' will return a dict of: - {'key1', 'subkey1=value1, subkey2=value2'} + + {'key1', 'subkey1=value1, subkey2=value2'} The provided config_flags string may be a list of comma-separated values which themselves may be comma-separated list of values. @@ -891,8 +894,6 @@ class NeutronContext(OSContextGenerator): return ctxt def __call__(self): - self._ensure_packages() - if self.network_manager not in ['quantum', 'neutron']: return {} diff --git a/hooks/charmhelpers/contrib/openstack/templates/ceph.conf b/hooks/charmhelpers/contrib/openstack/templates/ceph.conf index 81a9719f..b99851cc 100644 --- a/hooks/charmhelpers/contrib/openstack/templates/ceph.conf +++ b/hooks/charmhelpers/contrib/openstack/templates/ceph.conf @@ -5,11 +5,11 @@ ############################################################################### [global] {% if auth -%} - auth_supported = {{ auth }} - keyring = /etc/ceph/$cluster.$name.keyring - mon host = {{ mon_hosts }} +auth_supported = {{ auth }} +keyring = /etc/ceph/$cluster.$name.keyring +mon host = {{ mon_hosts }} {% endif -%} - log to syslog = {{ use_syslog }} - err to syslog = {{ use_syslog }} - clog to syslog = {{ use_syslog }} +log to syslog = {{ use_syslog }} +err to syslog = {{ use_syslog }} +clog to syslog = {{ use_syslog }} diff --git a/hooks/charmhelpers/contrib/openstack/utils.py b/hooks/charmhelpers/contrib/openstack/utils.py index 28532c98..4dd000c3 100644 --- a/hooks/charmhelpers/contrib/openstack/utils.py +++ b/hooks/charmhelpers/contrib/openstack/utils.py @@ -522,6 +522,7 @@ def git_clone_and_install(projects_yaml, core_project, depth=1): Clone/install all specified OpenStack repositories. The expected format of projects_yaml is: + repositories: - {name: keystone, repository: 'git://git.openstack.org/openstack/keystone.git', @@ -529,11 +530,13 @@ def git_clone_and_install(projects_yaml, core_project, depth=1): - {name: requirements, repository: 'git://git.openstack.org/openstack/requirements.git', branch: 'stable/icehouse'} + directory: /mnt/openstack-git http_proxy: squid-proxy-url https_proxy: squid-proxy-url - The directory, http_proxy, and https_proxy keys are optional. + The directory, http_proxy, and https_proxy keys are optional. + """ global requirements_dir parent_dir = '/mnt/openstack-git' @@ -555,10 +558,11 @@ def git_clone_and_install(projects_yaml, core_project, depth=1): pip_create_virtualenv(os.path.join(parent_dir, 'venv')) - # Upgrade setuptools from default virtualenv version. The default version - # in trusty breaks update.py in global requirements master branch. - pip_install('setuptools', upgrade=True, proxy=http_proxy, - venv=os.path.join(parent_dir, 'venv')) + # Upgrade setuptools and pip from default virtualenv versions. The default + # versions in trusty break master OpenStack branch deployments. + for p in ['pip', 'setuptools']: + pip_install(p, upgrade=True, proxy=http_proxy, + venv=os.path.join(parent_dir, 'venv')) for p in projects['repositories']: repo = p['repository'] diff --git a/hooks/charmhelpers/contrib/storage/linux/ceph.py b/hooks/charmhelpers/contrib/storage/linux/ceph.py index 31ea7f9e..00dbffb4 100644 --- a/hooks/charmhelpers/contrib/storage/linux/ceph.py +++ b/hooks/charmhelpers/contrib/storage/linux/ceph.py @@ -60,12 +60,12 @@ KEYRING = '/etc/ceph/ceph.client.{}.keyring' KEYFILE = '/etc/ceph/ceph.client.{}.key' CEPH_CONF = """[global] - auth supported = {auth} - keyring = {keyring} - mon host = {mon_hosts} - log to syslog = {use_syslog} - err to syslog = {use_syslog} - clog to syslog = {use_syslog} +auth supported = {auth} +keyring = {keyring} +mon host = {mon_hosts} +log to syslog = {use_syslog} +err to syslog = {use_syslog} +clog to syslog = {use_syslog} """ diff --git a/hooks/charmhelpers/core/hookenv.py b/hooks/charmhelpers/core/hookenv.py index 117429fd..dd8def9a 100644 --- a/hooks/charmhelpers/core/hookenv.py +++ b/hooks/charmhelpers/core/hookenv.py @@ -21,7 +21,9 @@ # Charm Helpers Developers from __future__ import print_function +from distutils.version import LooseVersion from functools import wraps +import glob import os import json import yaml @@ -242,29 +244,7 @@ class Config(dict): self.path = os.path.join(charm_dir(), Config.CONFIG_FILE_NAME) if os.path.exists(self.path): self.load_previous() - - def __getitem__(self, key): - """For regular dict lookups, check the current juju config first, - then the previous (saved) copy. This ensures that user-saved values - will be returned by a dict lookup. - - """ - try: - return dict.__getitem__(self, key) - except KeyError: - return (self._prev_dict or {})[key] - - def get(self, key, default=None): - try: - return self[key] - except KeyError: - return default - - def keys(self): - prev_keys = [] - if self._prev_dict is not None: - prev_keys = self._prev_dict.keys() - return list(set(prev_keys + list(dict.keys(self)))) + atexit(self._implicit_save) def load_previous(self, path=None): """Load previous copy of config from disk. @@ -283,6 +263,9 @@ class Config(dict): self.path = path or self.path with open(self.path) as f: self._prev_dict = json.load(f) + for k, v in self._prev_dict.items(): + if k not in self: + self[k] = v def changed(self, key): """Return True if the current value for this key is different from @@ -314,13 +297,13 @@ class Config(dict): instance. """ - if self._prev_dict: - for k, v in six.iteritems(self._prev_dict): - if k not in self: - self[k] = v with open(self.path, 'w') as f: json.dump(self, f) + def _implicit_save(self): + if self.implicit_save: + self.save() + @cached def config(scope=None): @@ -587,10 +570,14 @@ class Hooks(object): hooks.execute(sys.argv) """ - def __init__(self, config_save=True): + def __init__(self, config_save=None): super(Hooks, self).__init__() self._hooks = {} - self._config_save = config_save + + # For unknown reasons, we allow the Hooks constructor to override + # config().implicit_save. + if config_save is not None: + config().implicit_save = config_save def register(self, name, function): """Register a hook""" @@ -598,13 +585,16 @@ class Hooks(object): def execute(self, args): """Execute a registered hook based on args[0]""" + _run_atstart() hook_name = os.path.basename(args[0]) if hook_name in self._hooks: - self._hooks[hook_name]() - if self._config_save: - cfg = config() - if cfg.implicit_save: - cfg.save() + try: + self._hooks[hook_name]() + except SystemExit as x: + if x.code is None or x.code == 0: + _run_atexit() + raise + _run_atexit() else: raise UnregisteredHookError(hook_name) @@ -732,13 +722,80 @@ def leader_get(attribute=None): @translate_exc(from_exc=OSError, to_exc=NotImplementedError) def leader_set(settings=None, **kwargs): """Juju leader set value(s)""" - log("Juju leader-set '%s'" % (settings), level=DEBUG) + # Don't log secrets. + # log("Juju leader-set '%s'" % (settings), level=DEBUG) cmd = ['leader-set'] settings = settings or {} settings.update(kwargs) - for k, v in settings.iteritems(): + for k, v in settings.items(): if v is None: cmd.append('{}='.format(k)) else: cmd.append('{}={}'.format(k, v)) subprocess.check_call(cmd) + + +@cached +def juju_version(): + """Full version string (eg. '1.23.3.1-trusty-amd64')""" + # Per https://bugs.launchpad.net/juju-core/+bug/1455368/comments/1 + jujud = glob.glob('/var/lib/juju/tools/machine-*/jujud')[0] + return subprocess.check_output([jujud, 'version'], + universal_newlines=True).strip() + + +@cached +def has_juju_version(minimum_version): + """Return True if the Juju version is at least the provided version""" + return LooseVersion(juju_version()) >= LooseVersion(minimum_version) + + +_atexit = [] +_atstart = [] + + +def atstart(callback, *args, **kwargs): + '''Schedule a callback to run before the main hook. + + Callbacks are run in the order they were added. + + This is useful for modules and classes to perform initialization + and inject behavior. In particular: + + - Run common code before all of your hooks, such as logging + the hook name or interesting relation data. + - Defer object or module initialization that requires a hook + context until we know there actually is a hook context, + making testing easier. + - Rather than requiring charm authors to include boilerplate to + invoke your helper's behavior, have it run automatically if + your object is instantiated or module imported. + + This is not at all useful after your hook framework as been launched. + ''' + global _atstart + _atstart.append((callback, args, kwargs)) + + +def atexit(callback, *args, **kwargs): + '''Schedule a callback to run on successful hook completion. + + Callbacks are run in the reverse order that they were added.''' + _atexit.append((callback, args, kwargs)) + + +def _run_atstart(): + '''Hook frameworks must invoke this before running the main hook body.''' + global _atstart + for callback, args, kwargs in _atstart: + callback(*args, **kwargs) + del _atstart[:] + + +def _run_atexit(): + '''Hook frameworks must invoke this after the main hook body has + successfully completed. Do not invoke it if the hook fails.''' + global _atexit + for callback, args, kwargs in reversed(_atexit): + callback(*args, **kwargs) + del _atexit[:] diff --git a/hooks/charmhelpers/core/host.py b/hooks/charmhelpers/core/host.py index 901a4cfe..8ae8ef86 100644 --- a/hooks/charmhelpers/core/host.py +++ b/hooks/charmhelpers/core/host.py @@ -63,6 +63,36 @@ def service_reload(service_name, restart_on_failure=False): return service_result +def service_pause(service_name, init_dir=None): + """Pause a system service. + + Stop it, and prevent it from starting again at boot.""" + if init_dir is None: + init_dir = "/etc/init" + stopped = service_stop(service_name) + # XXX: Support systemd too + override_path = os.path.join( + init_dir, '{}.conf.override'.format(service_name)) + with open(override_path, 'w') as fh: + fh.write("manual\n") + return stopped + + +def service_resume(service_name, init_dir=None): + """Resume a system service. + + Reenable starting again at boot. Start the service""" + # XXX: Support systemd too + if init_dir is None: + init_dir = "/etc/init" + override_path = os.path.join( + init_dir, '{}.conf.override'.format(service_name)) + if os.path.exists(override_path): + os.unlink(override_path) + started = service_start(service_name) + return started + + def service(action, service_name): """Control a system service""" cmd = ['service', service_name, action] @@ -140,11 +170,7 @@ def add_group(group_name, system_group=False): def add_user_to_group(username, group): """Add a user to a group""" - cmd = [ - 'gpasswd', '-a', - username, - group - ] + cmd = ['gpasswd', '-a', username, group] log("Adding user {} to group {}".format(username, group)) subprocess.check_call(cmd) diff --git a/hooks/charmhelpers/core/services/base.py b/hooks/charmhelpers/core/services/base.py index 98d344e1..a42660ca 100644 --- a/hooks/charmhelpers/core/services/base.py +++ b/hooks/charmhelpers/core/services/base.py @@ -128,15 +128,18 @@ class ServiceManager(object): """ Handle the current hook by doing The Right Thing with the registered services. """ - hook_name = hookenv.hook_name() - if hook_name == 'stop': - self.stop_services() - else: - self.reconfigure_services() - self.provide_data() - cfg = hookenv.config() - if cfg.implicit_save: - cfg.save() + hookenv._run_atstart() + try: + hook_name = hookenv.hook_name() + if hook_name == 'stop': + self.stop_services() + else: + self.reconfigure_services() + self.provide_data() + except SystemExit as x: + if x.code is None or x.code == 0: + hookenv._run_atexit() + hookenv._run_atexit() def provide_data(self): """ diff --git a/hooks/charmhelpers/core/services/helpers.py b/hooks/charmhelpers/core/services/helpers.py index 3eb5fb44..8005c415 100644 --- a/hooks/charmhelpers/core/services/helpers.py +++ b/hooks/charmhelpers/core/services/helpers.py @@ -239,12 +239,12 @@ class TemplateCallback(ManagerCallback): action. :param str source: The template source file, relative to - `$CHARM_DIR/templates` - + `$CHARM_DIR/templates` :param str target: The target to write the rendered template to :param str owner: The owner of the rendered file :param str group: The group of the rendered file :param int perms: The permissions of the rendered file + """ def __init__(self, source, target, owner='root', group='root', perms=0o444): diff --git a/hooks/charmhelpers/fetch/__init__.py b/hooks/charmhelpers/fetch/__init__.py index 9a1a2515..0a3bb969 100644 --- a/hooks/charmhelpers/fetch/__init__.py +++ b/hooks/charmhelpers/fetch/__init__.py @@ -215,9 +215,9 @@ def apt_purge(packages, fatal=False): _run_apt_command(cmd, fatal) -def apt_hold(packages, fatal=False): - """Hold one or more packages""" - cmd = ['apt-mark', 'hold'] +def apt_mark(packages, mark, fatal=False): + """Flag one or more packages using apt-mark""" + cmd = ['apt-mark', mark] if isinstance(packages, six.string_types): cmd.append(packages) else: @@ -225,9 +225,17 @@ def apt_hold(packages, fatal=False): log("Holding {}".format(packages)) if fatal: - subprocess.check_call(cmd) + subprocess.check_call(cmd, universal_newlines=True) else: - subprocess.call(cmd) + subprocess.call(cmd, universal_newlines=True) + + +def apt_hold(packages, fatal=False): + return apt_mark(packages, 'hold', fatal=fatal) + + +def apt_unhold(packages, fatal=False): + return apt_mark(packages, 'unhold', fatal=fatal) def add_source(source, key=None): @@ -370,8 +378,9 @@ def install_remote(source, *args, **kwargs): for handler in handlers: try: installed_to = handler.install(source, *args, **kwargs) - except UnhandledSource: - pass + except UnhandledSource as e: + log('Install source attempt unsuccessful: {}'.format(e), + level='WARNING') if not installed_to: raise UnhandledSource("No handler found for source {}".format(source)) return installed_to diff --git a/hooks/charmhelpers/fetch/archiveurl.py b/hooks/charmhelpers/fetch/archiveurl.py index 8dfce505..efd7f9f0 100644 --- a/hooks/charmhelpers/fetch/archiveurl.py +++ b/hooks/charmhelpers/fetch/archiveurl.py @@ -77,6 +77,8 @@ class ArchiveUrlFetchHandler(BaseFetchHandler): def can_handle(self, source): url_parts = self.parse_url(source) if url_parts.scheme not in ('http', 'https', 'ftp', 'file'): + # XXX: Why is this returning a boolean and a string? It's + # doomed to fail since "bool(can_handle('foo://'))" will be True. return "Wrong source type" if get_archive_handler(self.base_url(source)): return True @@ -155,7 +157,11 @@ class ArchiveUrlFetchHandler(BaseFetchHandler): else: algorithms = hashlib.algorithms_available if key in algorithms: - check_hash(dld_file, value, key) + if len(value) != 1: + raise TypeError( + "Expected 1 hash value, not %d" % len(value)) + expected = value[0] + check_hash(dld_file, expected, key) if checksum: check_hash(dld_file, checksum, hash_type) return extract(dld_file, dest) diff --git a/hooks/charmhelpers/fetch/giturl.py b/hooks/charmhelpers/fetch/giturl.py index ddc25b7e..f023b26d 100644 --- a/hooks/charmhelpers/fetch/giturl.py +++ b/hooks/charmhelpers/fetch/giturl.py @@ -67,7 +67,7 @@ class GitUrlFetchHandler(BaseFetchHandler): try: self.clone(source, dest_dir, branch, depth) except GitCommandError as e: - raise UnhandledSource(e.message) + raise UnhandledSource(e) except OSError as e: raise UnhandledSource(e.strerror) return dest_dir diff --git a/tests/charmhelpers/contrib/amulet/utils.py b/tests/charmhelpers/contrib/amulet/utils.py index e8c4a274..3de26afd 100644 --- a/tests/charmhelpers/contrib/amulet/utils.py +++ b/tests/charmhelpers/contrib/amulet/utils.py @@ -14,6 +14,7 @@ # You should have received a copy of the GNU Lesser General Public License # along with charm-helpers. If not, see . +import amulet import ConfigParser import distro_info import io @@ -173,6 +174,11 @@ class AmuletUtils(object): Verify that the specified section of the config file contains the expected option key:value pairs. + + Compare expected dictionary data vs actual dictionary data. + The values in the 'expected' dictionary can be strings, bools, ints, + longs, or can be a function that evaluates a variable and returns a + bool. """ self.log.debug('Validating config file data ({} in {} on {})' '...'.format(section, config_file, @@ -185,9 +191,20 @@ class AmuletUtils(object): for k in expected.keys(): if not config.has_option(section, k): return "section [{}] is missing option {}".format(section, k) - if config.get(section, k) != expected[k]: + + actual = config.get(section, k) + v = expected[k] + if (isinstance(v, six.string_types) or + isinstance(v, bool) or + isinstance(v, six.integer_types)): + # handle explicit values + if actual != v: + return "section [{}] {}:{} != expected {}:{}".format( + section, k, actual, k, expected[k]) + # handle function pointers, such as not_null or valid_ip + elif not v(actual): return "section [{}] {}:{} != expected {}:{}".format( - section, k, config.get(section, k), k, expected[k]) + section, k, actual, k, expected[k]) return None def _validate_dict_data(self, expected, actual): @@ -195,7 +212,7 @@ class AmuletUtils(object): Compare expected dictionary data vs actual dictionary data. The values in the 'expected' dictionary can be strings, bools, ints, - longs, or can be a function that evaluate a variable and returns a + longs, or can be a function that evaluates a variable and returns a bool. """ self.log.debug('actual: {}'.format(repr(actual))) @@ -206,8 +223,10 @@ class AmuletUtils(object): if (isinstance(v, six.string_types) or isinstance(v, bool) or isinstance(v, six.integer_types)): + # handle explicit values if v != actual[k]: return "{}:{}".format(k, actual[k]) + # handle function pointers, such as not_null or valid_ip elif not v(actual[k]): return "{}:{}".format(k, actual[k]) else: @@ -406,3 +425,109 @@ class AmuletUtils(object): """Convert a relative file path to a file URL.""" _abs_path = os.path.abspath(file_rel_path) return urlparse.urlparse(_abs_path, scheme='file').geturl() + + def check_commands_on_units(self, commands, sentry_units): + """Check that all commands in a list exit zero on all + sentry units in a list. + + :param commands: list of bash commands + :param sentry_units: list of sentry unit pointers + :returns: None if successful; Failure message otherwise + """ + self.log.debug('Checking exit codes for {} commands on {} ' + 'sentry units...'.format(len(commands), + len(sentry_units))) + for sentry_unit in sentry_units: + for cmd in commands: + output, code = sentry_unit.run(cmd) + if code == 0: + self.log.debug('{} `{}` returned {} ' + '(OK)'.format(sentry_unit.info['unit_name'], + cmd, code)) + else: + return ('{} `{}` returned {} ' + '{}'.format(sentry_unit.info['unit_name'], + cmd, code, output)) + return None + + def get_process_id_list(self, sentry_unit, process_name): + """Get a list of process ID(s) from a single sentry juju unit + for a single process name. + + :param sentry_unit: Pointer to amulet sentry instance (juju unit) + :param process_name: Process name + :returns: List of process IDs + """ + cmd = 'pidof {}'.format(process_name) + output, code = sentry_unit.run(cmd) + if code != 0: + msg = ('{} `{}` returned {} ' + '{}'.format(sentry_unit.info['unit_name'], + cmd, code, output)) + amulet.raise_status(amulet.FAIL, msg=msg) + return str(output).split() + + def get_unit_process_ids(self, unit_processes): + """Construct a dict containing unit sentries, process names, and + process IDs.""" + pid_dict = {} + for sentry_unit, process_list in unit_processes.iteritems(): + pid_dict[sentry_unit] = {} + for process in process_list: + pids = self.get_process_id_list(sentry_unit, process) + pid_dict[sentry_unit].update({process: pids}) + return pid_dict + + def validate_unit_process_ids(self, expected, actual): + """Validate process id quantities for services on units.""" + self.log.debug('Checking units for running processes...') + self.log.debug('Expected PIDs: {}'.format(expected)) + self.log.debug('Actual PIDs: {}'.format(actual)) + + if len(actual) != len(expected): + return ('Unit count mismatch. expected, actual: {}, ' + '{} '.format(len(expected), len(actual))) + + for (e_sentry, e_proc_names) in expected.iteritems(): + e_sentry_name = e_sentry.info['unit_name'] + if e_sentry in actual.keys(): + a_proc_names = actual[e_sentry] + else: + return ('Expected sentry ({}) not found in actual dict data.' + '{}'.format(e_sentry_name, e_sentry)) + + if len(e_proc_names.keys()) != len(a_proc_names.keys()): + return ('Process name count mismatch. expected, actual: {}, ' + '{}'.format(len(expected), len(actual))) + + for (e_proc_name, e_pids_length), (a_proc_name, a_pids) in \ + zip(e_proc_names.items(), a_proc_names.items()): + if e_proc_name != a_proc_name: + return ('Process name mismatch. expected, actual: {}, ' + '{}'.format(e_proc_name, a_proc_name)) + + a_pids_length = len(a_pids) + if e_pids_length != a_pids_length: + return ('PID count mismatch. {} ({}) expected, actual: ' + '{}, {} ({})'.format(e_sentry_name, e_proc_name, + e_pids_length, a_pids_length, + a_pids)) + else: + self.log.debug('PID check OK: {} {} {}: ' + '{}'.format(e_sentry_name, e_proc_name, + e_pids_length, a_pids)) + return None + + def validate_list_of_identical_dicts(self, list_of_dicts): + """Check that all dicts within a list are identical.""" + hashes = [] + for _dict in list_of_dicts: + hashes.append(hash(frozenset(_dict.items()))) + + self.log.debug('Hashes: {}'.format(hashes)) + if len(set(hashes)) == 1: + self.log.debug('Dicts within list are identical') + else: + return 'Dicts within list are not identical' + + return None diff --git a/tests/charmhelpers/contrib/openstack/amulet/deployment.py b/tests/charmhelpers/contrib/openstack/amulet/deployment.py index c664c9d0..b01e6cb8 100644 --- a/tests/charmhelpers/contrib/openstack/amulet/deployment.py +++ b/tests/charmhelpers/contrib/openstack/amulet/deployment.py @@ -79,9 +79,9 @@ class OpenStackAmuletDeployment(AmuletDeployment): services.append(this_service) use_source = ['mysql', 'mongodb', 'rabbitmq-server', 'ceph', 'ceph-osd', 'ceph-radosgw'] - # Openstack subordinate charms do not expose an origin option as that - # is controlled by the principle - ignore = ['neutron-openvswitch'] + # Most OpenStack subordinate charms do not expose an origin option + # as that is controlled by the principle. + ignore = ['cinder-ceph', 'hacluster', 'neutron-openvswitch'] if self.openstack: for svc in services: @@ -148,3 +148,36 @@ class OpenStackAmuletDeployment(AmuletDeployment): return os_origin.split('%s-' % self.series)[1].split('/')[0] else: return releases[self.series] + + def get_ceph_expected_pools(self, radosgw=False): + """Return a list of expected ceph pools in a ceph + cinder + glance + test scenario, based on OpenStack release and whether ceph radosgw + is flagged as present or not.""" + + if self._get_openstack_release() >= self.trusty_kilo: + # Kilo or later + pools = [ + 'rbd', + 'cinder', + 'glance' + ] + else: + # Juno or earlier + pools = [ + 'data', + 'metadata', + 'rbd', + 'cinder', + 'glance' + ] + + if radosgw: + pools.extend([ + '.rgw.root', + '.rgw.control', + '.rgw', + '.rgw.gc', + '.users.uid' + ]) + + return pools diff --git a/tests/charmhelpers/contrib/openstack/amulet/utils.py b/tests/charmhelpers/contrib/openstack/amulet/utils.py index 576bf0b5..03f79277 100644 --- a/tests/charmhelpers/contrib/openstack/amulet/utils.py +++ b/tests/charmhelpers/contrib/openstack/amulet/utils.py @@ -14,16 +14,20 @@ # You should have received a copy of the GNU Lesser General Public License # along with charm-helpers. If not, see . +import amulet +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 @@ -171,6 +175,16 @@ class OpenStackAmuletUtils(AmuletUtils): 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.""" + # NOTE(beisner): cinder python client doesn't accept tokens. + 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.""" @@ -212,9 +226,29 @@ class OpenStackAmuletUtils(AmuletUtils): 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)) + """Download the latest cirros image and upload it to glance, + validate and return a resource pointer. + + :param glance: pointer to authenticated glance connection + :param image_name: display name for new image + :returns: glance image pointer + """ + self.log.debug('Creating glance cirros image ' + '({})...'.format(image_name)) + + # Download cirros image http_proxy = os.getenv('AMULET_HTTP_PROXY') self.log.debug('AMULET_HTTP_PROXY: {}'.format(http_proxy)) if http_proxy: @@ -223,33 +257,51 @@ class OpenStackAmuletUtils(AmuletUtils): else: opener = urllib.FancyURLopener() - f = opener.open("http://download.cirros-cloud.net/version/released") + f = opener.open('http://download.cirros-cloud.net/version/released') version = f.read().strip() - cirros_img = "cirros-{}-x86_64-disk.img".format(version) + 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", + cirros_url = 'http://{}/{}/{}'.format('download.cirros-cloud.net', version, cirros_img) opener.retrieve(cirros_url, local_path) f.close() + # Create glance image 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 + # Wait for image to reach active status + img_id = image.id + ret = self.resource_reaches_status(glance.images, img_id, + expected_stat='active', + msg='Image status wait') + if not ret: + msg = 'Glance image failed to reach expected state.' + amulet.raise_status(amulet.FAIL, msg=msg) + + # Re-validate new image + self.log.debug('Validating image attributes...') + val_img_name = glance.images.get(img_id).name + val_img_stat = glance.images.get(img_id).status + val_img_pub = glance.images.get(img_id).is_public + val_img_cfmt = glance.images.get(img_id).container_format + val_img_dfmt = glance.images.get(img_id).disk_format + msg_attr = ('Image attributes - name:{} public:{} id:{} stat:{} ' + 'container fmt:{} disk fmt:{}'.format( + val_img_name, val_img_pub, img_id, + val_img_stat, val_img_cfmt, val_img_dfmt)) + + if val_img_name == image_name and val_img_stat == 'active' \ + and val_img_pub is True and val_img_cfmt == 'bare' \ + and val_img_dfmt == 'qcow2': + self.log.debug(msg_attr) + else: + msg = ('Volume validation failed, {}'.format(msg_attr)) + amulet.raise_status(amulet.FAIL, msg=msg) return image @@ -260,22 +312,7 @@ class OpenStackAmuletUtils(AmuletUtils): 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 + return self.delete_resource(glance.images, image, msg='glance image') def create_instance(self, nova, image_name, instance_name, flavor): """Create the specified instance.""" @@ -308,22 +345,8 @@ class OpenStackAmuletUtils(AmuletUtils): 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 + return self.delete_resource(nova.servers, instance, + msg='nova instance') def create_or_get_keypair(self, nova, keypair_name="testkey"): """Create a new keypair, or return pointer if it already exists.""" @@ -339,6 +362,88 @@ class OpenStackAmuletUtils(AmuletUtils): _keypair = nova.keypairs.create(name=keypair_name) return _keypair + def create_cinder_volume(self, cinder, vol_name="demo-vol", vol_size=1, + img_id=None, src_vol_id=None, snap_id=None): + """Create cinder volume, optionally from a glance image, OR + optionally as a clone of an existing volume, OR optionally + from a snapshot. Wait for the new volume status to reach + the expected status, validate and return a resource pointer. + + :param vol_name: cinder volume display name + :param vol_size: size in gigabytes + :param img_id: optional glance image id + :param src_vol_id: optional source volume id to clone + :param snap_id: optional snapshot id to use + :returns: cinder volume pointer + """ + # Handle parameter input and avoid impossible combinations + if img_id and not src_vol_id and not snap_id: + # Create volume from image + self.log.debug('Creating cinder volume from glance image...') + bootable = 'true' + elif src_vol_id and not img_id and not snap_id: + # Clone an existing volume + self.log.debug('Cloning cinder volume...') + bootable = cinder.volumes.get(src_vol_id).bootable + elif snap_id and not src_vol_id and not img_id: + # Create volume from snapshot + self.log.debug('Creating cinder volume from snapshot...') + snap = cinder.volume_snapshots.find(id=snap_id) + vol_size = snap.size + snap_vol_id = cinder.volume_snapshots.get(snap_id).volume_id + bootable = cinder.volumes.get(snap_vol_id).bootable + elif not img_id and not src_vol_id and not snap_id: + # Create volume + self.log.debug('Creating cinder volume...') + bootable = 'false' + else: + # Impossible combination of parameters + msg = ('Invalid method use - name:{} size:{} img_id:{} ' + 'src_vol_id:{} snap_id:{}'.format(vol_name, vol_size, + img_id, src_vol_id, + snap_id)) + amulet.raise_status(amulet.FAIL, msg=msg) + + # Create new volume + try: + vol_new = cinder.volumes.create(display_name=vol_name, + imageRef=img_id, + size=vol_size, + source_volid=src_vol_id, + snapshot_id=snap_id) + vol_id = vol_new.id + except Exception as e: + msg = 'Failed to create volume: {}'.format(e) + amulet.raise_status(amulet.FAIL, msg=msg) + + # Wait for volume to reach available status + ret = self.resource_reaches_status(cinder.volumes, vol_id, + expected_stat="available", + msg="Volume status wait") + if not ret: + msg = 'Cinder volume failed to reach expected state.' + amulet.raise_status(amulet.FAIL, msg=msg) + + # Re-validate new volume + self.log.debug('Validating volume attributes...') + val_vol_name = cinder.volumes.get(vol_id).display_name + val_vol_boot = cinder.volumes.get(vol_id).bootable + val_vol_stat = cinder.volumes.get(vol_id).status + val_vol_size = cinder.volumes.get(vol_id).size + msg_attr = ('Volume attributes - name:{} id:{} stat:{} boot:' + '{} size:{}'.format(val_vol_name, vol_id, + val_vol_stat, val_vol_boot, + val_vol_size)) + + if val_vol_boot == bootable and val_vol_stat == 'available' \ + and val_vol_name == vol_name and val_vol_size == vol_size: + self.log.debug(msg_attr) + else: + msg = ('Volume validation failed, {}'.format(msg_attr)) + amulet.raise_status(amulet.FAIL, msg=msg) + + return vol_new + def delete_resource(self, resource, resource_id, msg="resource", max_wait=120): """Delete one openstack resource, such as one instance, keypair, @@ -350,6 +455,8 @@ class OpenStackAmuletUtils(AmuletUtils): :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) @@ -411,3 +518,87 @@ class OpenStackAmuletUtils(AmuletUtils): 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.""" + return ("`initctl list | grep 'ceph-osd ' | " + "awk 'NR=={} {{ print $2 }}' | " + "grep -o '[0-9]*'`".format(index + 1)) + + 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)) + amulet.raise_status(amulet.FAIL, msg=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)) + amulet.raise_status(amulet.FAIL, msg=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]: + return ('Ceph {} samples ({}) ' + 'unexpected.'.format(sample_type, samples)) + else: + self.log.debug('Ceph {} samples (OK): ' + '{}'.format(sample_type, samples)) + return None