OpenStack Orchestration (Heat)
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heat/heat/engine/service_software_config.py

393 lines
16 KiB

#
# 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.
import uuid
from oslo_log import log as logging
from oslo_serialization import jsonutils
from oslo_utils import timeutils
import requests
import six
from six.moves.urllib import parse as urlparse
from heat.common import crypt
from heat.common import exception
from heat.common.i18n import _
from heat.db.sqlalchemy import api as db_api
from heat.engine import api
from heat.engine import resource
from heat.engine import scheduler
from heat.engine import software_config_io as swc_io
from heat.objects import resource as resource_objects
from heat.objects import software_config as software_config_object
from heat.objects import software_deployment as software_deployment_object
from heat.rpc import api as rpc_api
LOG = logging.getLogger(__name__)
class SoftwareConfigService(object):
def show_software_config(self, cnxt, config_id):
sc = software_config_object.SoftwareConfig.get_by_id(cnxt, config_id)
return api.format_software_config(sc)
def list_software_configs(self, cnxt, limit=None, marker=None):
scs = software_config_object.SoftwareConfig.get_all(
cnxt,
limit=limit,
marker=marker)
result = [api.format_software_config(sc, detail=False,
include_project=cnxt.is_admin)
for sc in scs]
return result
def create_software_config(self, cnxt, group, name, config,
inputs, outputs, options):
swc_io.check_io_schema_list(inputs)
in_conf = [swc_io.InputConfig(**i).as_dict() for i in inputs]
swc_io.check_io_schema_list(outputs)
out_conf = [swc_io.OutputConfig(**o).as_dict() for o in outputs]
sc = software_config_object.SoftwareConfig.create(cnxt, {
'group': group,
'name': name,
'config': {
rpc_api.SOFTWARE_CONFIG_INPUTS: in_conf,
rpc_api.SOFTWARE_CONFIG_OUTPUTS: out_conf,
rpc_api.SOFTWARE_CONFIG_OPTIONS: options,
rpc_api.SOFTWARE_CONFIG_CONFIG: config
},
'tenant': cnxt.tenant_id})
return api.format_software_config(sc)
def delete_software_config(self, cnxt, config_id):
software_config_object.SoftwareConfig.delete(cnxt, config_id)
def list_software_deployments(self, cnxt, server_id):
all_sd = software_deployment_object.SoftwareDeployment.get_all(
cnxt, server_id)
result = [api.format_software_deployment(sd) for sd in all_sd]
return result
def metadata_software_deployments(self, cnxt, server_id):
if not server_id:
raise ValueError(_('server_id must be specified'))
all_sd = software_deployment_object.SoftwareDeployment.get_all(
cnxt, server_id)
# filter out the sds with None config
flt_sd = six.moves.filterfalse(lambda sd: sd.config is None,
all_sd)
# sort the configs by config name, to give the list of metadata a
# deterministic and controllable order.
flt_sd_s = sorted(flt_sd, key=lambda sd: sd.config.name)
result = [api.format_software_config(sd.config) for sd in flt_sd_s]
return result
@resource_objects.retry_on_conflict
def _push_metadata_software_deployments(
self, cnxt, server_id, stack_user_project_id):
rs = db_api.resource_get_by_physical_resource_id(cnxt, server_id)
if not rs:
return
cnxt.session.refresh(rs)
if rs.action == resource.Resource.DELETE:
return
deployments = self.metadata_software_deployments(cnxt, server_id)
md = rs.rsrc_metadata or {}
md['deployments'] = deployments
metadata_put_url = None
metadata_queue_id = None
metadata_headers = None
for rd in rs.data:
if rd.key == 'metadata_put_url':
metadata_put_url = rd.value
if rd.key == 'metadata_queue_id':
metadata_queue_id = rd.value
if metadata_put_url:
data = requests.head(metadata_put_url)
etag = data.headers.get('etag')
if etag:
metadata_headers = {'if-match': etag}
else:
LOG.warning("Couldn't find existing Swift metadata "
"for server %s", server_id)
rows_updated = db_api.resource_update(
cnxt, rs.id, {'rsrc_metadata': md}, rs.atomic_key)
if not rows_updated:
LOG.debug('Conflict on deployment metadata update for '
'server %s; retrying', server_id)
action = _('deployments of server %s') % server_id
raise exception.ConcurrentTransaction(action=action)
LOG.debug('Updated deployment metadata for server %s', server_id)
if metadata_put_url:
json_md = jsonutils.dumps(md)
resp = requests.put(metadata_put_url, json_md,
headers=metadata_headers)
if resp.status_code == requests.codes.precondition_failed:
LOG.debug('Conflict on Swift deployment update for '
'server %s; retrying', server_id)
action = _('deployments of server %s') % server_id
raise exception.ConcurrentTransaction(action=action)
else:
try:
resp.raise_for_status()
except requests.HTTPError as exc:
LOG.error('Failed to deliver deployment data to '
'server %s: %s', server_id, exc)
if metadata_queue_id:
project = stack_user_project_id
queue = self._get_zaqar_queue(cnxt, rs, project, metadata_queue_id)
zaqar_plugin = cnxt.clients.client_plugin('zaqar')
queue.post({'body': md, 'ttl': zaqar_plugin.DEFAULT_TTL})
def _refresh_swift_software_deployment(self, cnxt, sd, deploy_signal_id):
container, object_name = urlparse.urlparse(
deploy_signal_id).path.split('/')[-2:]
swift_plugin = cnxt.clients.client_plugin('swift')
swift = swift_plugin.client()
try:
headers = swift.head_object(container, object_name)
except Exception as ex:
# ignore not-found, in case swift is not consistent yet
if swift_plugin.is_not_found(ex):
LOG.info('Signal object not found: %(c)s %(o)s', {
'c': container, 'o': object_name})
return sd
raise
lm = headers.get('last-modified')
last_modified = swift_plugin.parse_last_modified(lm)
prev_last_modified = sd.updated_at
if prev_last_modified:
# assume stored as utc, convert to offset-naive datetime
prev_last_modified = prev_last_modified.replace(tzinfo=None)
if prev_last_modified and (last_modified <= prev_last_modified):
return sd
try:
(headers, obj) = swift.get_object(container, object_name)
except Exception as ex:
# ignore not-found, in case swift is not consistent yet
if swift_plugin.is_not_found(ex):
LOG.info(
'Signal object not found: %(c)s %(o)s', {
'c': container, 'o': object_name})
return sd
raise
if obj:
self.signal_software_deployment(
cnxt, sd.id, jsonutils.loads(obj),
last_modified.isoformat())
return software_deployment_object.SoftwareDeployment.get_by_id(
cnxt, sd.id)
def _get_zaqar_queue(self, cnxt, rs, project, queue_name):
user = password = signed_url_data = None
for rd in rs.data:
if rd.key == 'password':
password = crypt.decrypt(rd.decrypt_method, rd.value)
if rd.key == 'user_id':
user = rd.value
if rd.key == 'zaqar_queue_signed_url_data':
signed_url_data = jsonutils.loads(rd.value)
zaqar_plugin = cnxt.clients.client_plugin('zaqar')
if signed_url_data is None:
keystone = cnxt.clients.client('keystone')
token = keystone.stack_domain_user_token(
user_id=user, project_id=project, password=password)
zaqar = zaqar_plugin.create_for_tenant(project, token)
else:
signed_url_data.pop('project')
zaqar = zaqar_plugin.create_from_signed_url(project,
**signed_url_data)
return zaqar.queue(queue_name)
def _refresh_zaqar_software_deployment(self, cnxt, sd, deploy_queue_id):
rs = db_api.resource_get_by_physical_resource_id(cnxt, sd.id)
project = sd.stack_user_project_id
queue = self._get_zaqar_queue(cnxt, rs, project, deploy_queue_id)
messages = list(queue.pop())
if messages:
self.signal_software_deployment(
cnxt, sd.id, messages[0].body, None)
return software_deployment_object.SoftwareDeployment.get_by_id(
cnxt, sd.id)
def check_software_deployment(self, cnxt, deployment_id, timeout):
def _check():
while True:
sd = self._show_software_deployment(cnxt, deployment_id)
if sd.status != rpc_api.SOFTWARE_DEPLOYMENT_IN_PROGRESS:
return
yield
scheduler.TaskRunner(_check)(timeout=timeout)
sd = software_deployment_object.SoftwareDeployment.get_by_id(
cnxt, deployment_id)
return api.format_software_deployment(sd)
def _show_software_deployment(self, cnxt, deployment_id):
sd = software_deployment_object.SoftwareDeployment.get_by_id(
cnxt, deployment_id)
if sd.status == rpc_api.SOFTWARE_DEPLOYMENT_IN_PROGRESS:
c = sd.config.config
input_values = dict(swc_io.InputConfig(**i).input_data()
for i in c[rpc_api.SOFTWARE_CONFIG_INPUTS])
transport = input_values.get('deploy_signal_transport')
if transport == 'TEMP_URL_SIGNAL':
sd = self._refresh_swift_software_deployment(
cnxt, sd, input_values.get('deploy_signal_id'))
elif transport == 'ZAQAR_SIGNAL':
sd = self._refresh_zaqar_software_deployment(
cnxt, sd, input_values.get('deploy_queue_id'))
return sd
def show_software_deployment(self, cnxt, deployment_id):
sd = self._show_software_deployment(cnxt, deployment_id)
return api.format_software_deployment(sd)
def create_software_deployment(self, cnxt, server_id, config_id,
input_values, action, status,
status_reason, stack_user_project_id,
deployment_id=None):
if deployment_id is None:
deployment_id = str(uuid.uuid4())
sd = software_deployment_object.SoftwareDeployment.create(cnxt, {
'id': deployment_id,
'config_id': config_id,
'server_id': server_id,
'input_values': input_values,
'tenant': cnxt.tenant_id,
'stack_user_project_id': stack_user_project_id,
'action': action,
'status': status,
'status_reason': six.text_type(status_reason)})
self._push_metadata_software_deployments(
cnxt, server_id, stack_user_project_id)
return api.format_software_deployment(sd)
def signal_software_deployment(self, cnxt, deployment_id, details,
updated_at):
if not deployment_id:
raise ValueError(_('deployment_id must be specified'))
sd = software_deployment_object.SoftwareDeployment.get_by_id(
cnxt, deployment_id)
status = sd.status
if not status == rpc_api.SOFTWARE_DEPLOYMENT_IN_PROGRESS:
# output values are only expected when in an IN_PROGRESS state
return
details = details or {}
output_status_code = rpc_api.SOFTWARE_DEPLOYMENT_OUTPUT_STATUS_CODE
ov = sd.output_values or {}
status = None
status_reasons = {}
status_code = details.get(output_status_code)
if status_code and str(status_code) != '0':
status = rpc_api.SOFTWARE_DEPLOYMENT_FAILED
status_reasons[output_status_code] = _(
'Deployment exited with non-zero status code: %s'
) % details.get(output_status_code)
event_reason = 'deployment %s failed (%s)' % (deployment_id,
status_code)
else:
event_reason = 'deployment %s succeeded' % deployment_id
for output in sd.config.config['outputs'] or []:
out_key = output['name']
if out_key in details:
ov[out_key] = details[out_key]
if output.get('error_output', False):
status = rpc_api.SOFTWARE_DEPLOYMENT_FAILED
status_reasons[out_key] = details[out_key]
event_reason = 'deployment %s failed' % deployment_id
for out_key in rpc_api.SOFTWARE_DEPLOYMENT_OUTPUTS:
ov[out_key] = details.get(out_key)
if status == rpc_api.SOFTWARE_DEPLOYMENT_FAILED:
# build a status reason out of all of the values of outputs
# flagged as error_output
status_reasons = [' : '.join((k, six.text_type(status_reasons[k])))
for k in status_reasons]
status_reason = ', '.join(status_reasons)
else:
status = rpc_api.SOFTWARE_DEPLOYMENT_COMPLETE
status_reason = _('Outputs received')
self.update_software_deployment(
cnxt, deployment_id=deployment_id,
output_values=ov, status=status, status_reason=status_reason,
config_id=None, input_values=None, action=None,
updated_at=updated_at)
# Return a string describing the outcome of handling the signal data
return event_reason
def update_software_deployment(self, cnxt, deployment_id, config_id,
input_values, output_values, action,
status, status_reason, updated_at):
update_data = {}
if config_id:
update_data['config_id'] = config_id
if input_values:
update_data['input_values'] = input_values
if output_values:
update_data['output_values'] = output_values
if action:
update_data['action'] = action
if status:
update_data['status'] = status
if status_reason:
update_data['status_reason'] = six.text_type(status_reason)
if updated_at:
update_data['updated_at'] = timeutils.normalize_time(
timeutils.parse_isotime(updated_at))
else:
update_data['updated_at'] = timeutils.utcnow()
sd = software_deployment_object.SoftwareDeployment.update_by_id(
cnxt, deployment_id, update_data)
# only push metadata if this update resulted in the config_id
# changing, since metadata is just a list of configs
if config_id:
self._push_metadata_software_deployments(
cnxt, sd.server_id, sd.stack_user_project_id)
return api.format_software_deployment(sd)
def delete_software_deployment(self, cnxt, deployment_id):
sd = software_deployment_object.SoftwareDeployment.get_by_id(
cnxt, deployment_id)
software_deployment_object.SoftwareDeployment.delete(
cnxt, deployment_id)
self._push_metadata_software_deployments(
cnxt, sd.server_id, sd.stack_user_project_id)