Merge "Use BaseServer base class for Nova Server resource"
This commit is contained in:
commit
7e15316f2b
@ -12,17 +12,14 @@
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# under the License.
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import copy
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import uuid
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_serialization import jsonutils
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from oslo_utils import uuidutils
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import six
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from heat.common import exception
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from heat.common.i18n import _
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from heat.common.i18n import _LE
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from heat.engine import attributes
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from heat.engine.clients import progress
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from heat.engine import constraints
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@ -32,19 +29,18 @@ from heat.engine.resources.openstack.neutron import port as neutron_port
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from heat.engine.resources.openstack.neutron import subnet
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from heat.engine.resources.openstack.nova import server_network_mixin
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from heat.engine.resources import scheduler_hints as sh
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from heat.engine.resources import stack_user
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from heat.engine.resources import server_base
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from heat.engine import support
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from heat.engine import translation
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from heat.rpc import api as rpc_api
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cfg.CONF.import_opt('default_software_config_transport', 'heat.common.config')
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cfg.CONF.import_opt('default_user_data_format', 'heat.common.config')
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cfg.CONF.import_opt('max_server_name_length', 'heat.common.config')
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LOG = logging.getLogger(__name__)
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class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
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class Server(server_base.BaseServer, sh.SchedulerHintsMixin,
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server_network_mixin.ServerNetworkMixin):
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"""A resource for managing Nova instances.
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@ -593,12 +589,8 @@ class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
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)
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}
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physical_resource_name_limit = cfg.CONF.max_server_name_length
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default_client_name = 'nova'
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entity = 'servers'
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def translation_rules(self, props):
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rules = [
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translation.TranslationRule(
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@ -670,145 +662,10 @@ class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
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if self.user_data_software_config():
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self._register_access_key()
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def _server_name(self):
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name = self.properties[self.NAME]
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if name:
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return name
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return self.physical_resource_name()
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def _config_drive(self):
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# This method is overridden by the derived CloudServer resource
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return self.properties[self.CONFIG_DRIVE]
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def _populate_deployments_metadata(self, meta, props):
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meta['deployments'] = meta.get('deployments', [])
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meta['os-collect-config'] = meta.get('os-collect-config', {})
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occ = meta['os-collect-config']
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collectors = ['ec2']
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occ['collectors'] = collectors
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# set existing values to None to override any boot-time config
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occ_keys = ('heat', 'zaqar', 'cfn', 'request')
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for occ_key in occ_keys:
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if occ_key not in occ:
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continue
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existing = occ[occ_key]
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for k in existing:
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existing[k] = None
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if self.transport_poll_server_heat(props):
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occ.update({'heat': {
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'user_id': self._get_user_id(),
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'password': self.password,
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'auth_url': self.context.auth_url,
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'project_id': self.stack.stack_user_project_id,
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'stack_id': self.stack.identifier().stack_path(),
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'resource_name': self.name}})
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collectors.append('heat')
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elif self.transport_zaqar_message(props):
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queue_id = self.physical_resource_name()
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self.data_set('metadata_queue_id', queue_id)
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occ.update({'zaqar': {
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'user_id': self._get_user_id(),
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'password': self.password,
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'auth_url': self.context.auth_url,
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'project_id': self.stack.stack_user_project_id,
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'queue_id': queue_id}})
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collectors.append('zaqar')
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elif self.transport_poll_server_cfn(props):
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heat_client_plugin = self.stack.clients.client_plugin('heat')
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config_url = heat_client_plugin.get_cfn_metadata_server_url()
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occ.update({'cfn': {
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'metadata_url': config_url,
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'access_key_id': self.access_key,
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'secret_access_key': self.secret_key,
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'stack_name': self.stack.name,
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'path': '%s.Metadata' % self.name}})
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collectors.append('cfn')
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elif self.transport_poll_temp_url(props):
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container = self.physical_resource_name()
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object_name = self.data().get('metadata_object_name')
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if not object_name:
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object_name = str(uuid.uuid4())
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self.client('swift').put_container(container)
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url = self.client_plugin('swift').get_temp_url(
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container, object_name, method='GET')
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put_url = self.client_plugin('swift').get_temp_url(
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container, object_name)
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self.data_set('metadata_put_url', put_url)
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self.data_set('metadata_object_name', object_name)
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collectors.append('request')
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occ.update({'request': {
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'metadata_url': url}})
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collectors.append('local')
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self.metadata_set(meta)
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# push replacement polling config to any existing push-based sources
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queue_id = self.data().get('metadata_queue_id')
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if queue_id:
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zaqar_plugin = self.client_plugin('zaqar')
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zaqar = zaqar_plugin.create_for_tenant(
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self.stack.stack_user_project_id, self._user_token())
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queue = zaqar.queue(queue_id)
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queue.post({'body': meta, 'ttl': zaqar_plugin.DEFAULT_TTL})
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object_name = self.data().get('metadata_object_name')
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if object_name:
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container = self.physical_resource_name()
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self.client('swift').put_object(
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container, object_name, jsonutils.dumps(meta))
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def _register_access_key(self):
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"""Access is limited to this resource, which created the keypair."""
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def access_allowed(resource_name):
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return resource_name == self.name
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if self.access_key is not None:
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self.stack.register_access_allowed_handler(
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self.access_key, access_allowed)
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if self._get_user_id() is not None:
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self.stack.register_access_allowed_handler(
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self._get_user_id(), access_allowed)
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def _create_transport_credentials(self, props):
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if self.transport_poll_server_cfn(props):
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self._create_user()
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self._create_keypair()
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elif (self.transport_poll_server_heat(props) or
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self.transport_zaqar_message(props)):
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self.password = uuid.uuid4().hex
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self._create_user()
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self._register_access_key()
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@property
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def access_key(self):
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return self.data().get('access_key')
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@property
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def secret_key(self):
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return self.data().get('secret_key')
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@property
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def password(self):
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return self.data().get('password')
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@password.setter
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def password(self, password):
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if password is None:
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self.data_delete('password')
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else:
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self.data_set('password', password, True)
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def user_data_raw(self):
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return self.properties[self.USER_DATA_FORMAT] == self.RAW
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@ -816,22 +673,6 @@ class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
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return self.properties[
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self.USER_DATA_FORMAT] == self.SOFTWARE_CONFIG
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def transport_poll_server_cfn(self, props):
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return props[
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self.SOFTWARE_CONFIG_TRANSPORT] == self.POLL_SERVER_CFN
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def transport_poll_server_heat(self, props):
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return props[
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self.SOFTWARE_CONFIG_TRANSPORT] == self.POLL_SERVER_HEAT
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def transport_poll_temp_url(self, props):
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return props[
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self.SOFTWARE_CONFIG_TRANSPORT] == self.POLL_TEMP_URL
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def transport_zaqar_message(self, props):
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return props[
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self.SOFTWARE_CONFIG_TRANSPORT] == self.ZAQAR_MESSAGE
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def get_software_config(self, ud_content):
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try:
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sc = self.rpc_client().show_software_config(
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@ -1299,30 +1140,12 @@ class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
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return ud_update_policy == 'REPLACE'
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def handle_update(self, json_snippet, tmpl_diff, prop_diff):
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if tmpl_diff.metadata_changed():
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# If SOFTWARE_CONFIG user_data_format is enabled we require
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# the "deployments" and "os-collect-config" keys for Deployment
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# polling. We can attempt to merge the occ data, but any
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# metadata update containing deployments will be discarded.
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new_md = json_snippet.metadata()
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if self.user_data_software_config():
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metadata = self.metadata_get(True) or {}
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new_occ_md = new_md.get('os-collect-config', {})
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occ_md = metadata.get('os-collect-config', {})
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occ_md.update(new_occ_md)
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new_md['os-collect-config'] = occ_md
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deployment_md = metadata.get('deployments', [])
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new_md['deployments'] = deployment_md
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self.metadata_set(new_md)
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updaters = []
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updaters = super(Server, self).handle_update(
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json_snippet,
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tmpl_diff,
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prop_diff)
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server = None
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if self.METADATA in prop_diff:
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server = self.client_plugin().get_server(self.resource_id)
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self.client_plugin().meta_update(server,
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prop_diff[self.METADATA])
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if self.TAGS in prop_diff:
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self._update_server_tags(prop_diff[self.TAGS] or [])
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@ -1344,42 +1167,11 @@ class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
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if self.NETWORKS in prop_diff:
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updaters.extend(self._update_networks(server, prop_diff))
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if self.SOFTWARE_CONFIG_TRANSPORT in prop_diff:
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self._update_software_config_transport(prop_diff)
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# NOTE(pas-ha) optimization is possible (starting first task
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# right away), but we'd rather not, as this method already might
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# have called several APIs
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return updaters
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def _update_software_config_transport(self, prop_diff):
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if not self.user_data_software_config():
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return
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try:
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metadata = self.metadata_get(True) or {}
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self._create_transport_credentials(prop_diff)
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self._populate_deployments_metadata(metadata, prop_diff)
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# push new metadata to all sources by creating a dummy
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# deployment
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sc = self.rpc_client().create_software_config(
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self.context, 'ignored', 'ignored', '')
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sd = self.rpc_client().create_software_deployment(
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self.context, self.resource_id, sc['id'])
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self.rpc_client().delete_software_deployment(
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self.context, sd['id'])
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self.rpc_client().delete_software_config(
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self.context, sc['id'])
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except Exception:
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# Updating the software config transport is on a best-effort
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# basis as any raised exception here would result in the resource
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# going into an ERROR state, which will be replaced on the next
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# stack update. This is not desirable for a server. The old
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# transport will continue to work, and the new transport may work
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# despite exceptions in the above block.
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LOG.exception(
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_LE('Error while updating software config transport')
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)
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def check_update_complete(self, updaters):
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"""Push all updaters to completion in list order."""
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for prg in updaters:
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@ -1398,28 +1190,6 @@ class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
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self.store_external_ports()
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return status
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def metadata_update(self, new_metadata=None):
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"""Refresh the metadata if new_metadata is None."""
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if new_metadata is None:
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# Re-resolve the template metadata and merge it with the
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# current resource metadata. This is necessary because the
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# attributes referenced in the template metadata may change
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# and the resource itself adds keys to the metadata which
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# are not specified in the template (e.g the deployments data)
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meta = self.metadata_get(refresh=True) or {}
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tmpl_meta = self.t.metadata()
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meta.update(tmpl_meta)
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self.metadata_set(meta)
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@staticmethod
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def _check_maximum(count, maximum, msg):
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"""Check a count against a maximum.
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Unless maximum is -1 which indicates that there is no limit.
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"""
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if maximum != -1 and count > maximum:
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raise exception.StackValidationFailed(message=msg)
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def _validate_block_device_mapping(self):
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# either volume_id or snapshot_id needs to be specified, but not both
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@ -1593,29 +1363,6 @@ class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
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) if contents is not None else 0,
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limits['maxPersonalitySize'], msg)
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def _delete_temp_url(self):
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object_name = self.data().get('metadata_object_name')
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if not object_name:
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return
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with self.client_plugin('swift').ignore_not_found:
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container = self.physical_resource_name()
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swift = self.client('swift')
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swift.delete_object(container, object_name)
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headers = swift.head_container(container)
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if int(headers['x-container-object-count']) == 0:
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swift.delete_container(container)
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def _delete_queue(self):
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queue_id = self.data().get('metadata_queue_id')
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if not queue_id:
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return
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client_plugin = self.client_plugin('zaqar')
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zaqar = client_plugin.create_for_tenant(
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self.stack.stack_user_project_id, self._user_token())
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with client_plugin.ignore_not_found:
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zaqar.queue(queue_id).delete()
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self.data_delete('metadata_queue_id')
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def _delete(self):
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if self.user_data_software_config():
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self._delete_queue()
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|
309
heat/engine/resources/server_base.py
Normal file
309
heat/engine/resources/server_base.py
Normal file
@ -0,0 +1,309 @@
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
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# not use this file except in compliance with the License. You may obtain
|
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# a copy of the License at
|
||||
#
|
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# http://www.apache.org/licenses/LICENSE-2.0
|
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#
|
||||
# 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
|
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|
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from oslo_config import cfg
|
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from oslo_log import log as logging
|
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from oslo_serialization import jsonutils
|
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|
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from heat.common import exception
|
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from heat.common.i18n import _LE
|
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from heat.engine.clients import progress
|
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from heat.engine.resources import stack_user
|
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|
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cfg.CONF.import_opt('max_server_name_length', 'heat.common.config')
|
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|
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LOG = logging.getLogger(__name__)
|
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|
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|
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class BaseServer(stack_user.StackUser):
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"""Base Server resource."""
|
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|
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physical_resource_name_limit = cfg.CONF.max_server_name_length
|
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|
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entity = 'servers'
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def __init__(self, name, json_snippet, stack):
|
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super(BaseServer, self).__init__(name, json_snippet, stack)
|
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|
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def _server_name(self):
|
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name = self.properties[self.NAME]
|
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if name:
|
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return name
|
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|
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return self.physical_resource_name()
|
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|
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def _populate_deployments_metadata(self, meta, props):
|
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meta['deployments'] = meta.get('deployments', [])
|
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meta['os-collect-config'] = meta.get('os-collect-config', {})
|
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occ = meta['os-collect-config']
|
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collectors = ['ec2']
|
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occ['collectors'] = collectors
|
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|
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# set existing values to None to override any boot-time config
|
||||
occ_keys = ('heat', 'zaqar', 'cfn', 'request')
|
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for occ_key in occ_keys:
|
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if occ_key not in occ:
|
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continue
|
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existing = occ[occ_key]
|
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for k in existing:
|
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existing[k] = None
|
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|
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if self.transport_poll_server_heat(props):
|
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occ.update({'heat': {
|
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'user_id': self._get_user_id(),
|
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'password': self.password,
|
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'auth_url': self.context.auth_url,
|
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'project_id': self.stack.stack_user_project_id,
|
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'stack_id': self.stack.identifier().stack_path(),
|
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'resource_name': self.name}})
|
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collectors.append('heat')
|
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|
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elif self.transport_zaqar_message(props):
|
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queue_id = self.physical_resource_name()
|
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self.data_set('metadata_queue_id', queue_id)
|
||||
occ.update({'zaqar': {
|
||||
'user_id': self._get_user_id(),
|
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'password': self.password,
|
||||
'auth_url': self.context.auth_url,
|
||||
'project_id': self.stack.stack_user_project_id,
|
||||
'queue_id': queue_id}})
|
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collectors.append('zaqar')
|
||||
|
||||
elif self.transport_poll_server_cfn(props):
|
||||
heat_client_plugin = self.stack.clients.client_plugin('heat')
|
||||
config_url = heat_client_plugin.get_cfn_metadata_server_url()
|
||||
occ.update({'cfn': {
|
||||
'metadata_url': config_url,
|
||||
'access_key_id': self.access_key,
|
||||
'secret_access_key': self.secret_key,
|
||||
'stack_name': self.stack.name,
|
||||
'path': '%s.Metadata' % self.name}})
|
||||
collectors.append('cfn')
|
||||
|
||||
elif self.transport_poll_temp_url(props):
|
||||
container = self.physical_resource_name()
|
||||
object_name = self.data().get('metadata_object_name')
|
||||
if not object_name:
|
||||
object_name = str(uuid.uuid4())
|
||||
|
||||
self.client('swift').put_container(container)
|
||||
|
||||
url = self.client_plugin('swift').get_temp_url(
|
||||
container, object_name, method='GET')
|
||||
put_url = self.client_plugin('swift').get_temp_url(
|
||||
container, object_name)
|
||||
self.data_set('metadata_put_url', put_url)
|
||||
self.data_set('metadata_object_name', object_name)
|
||||
|
||||
collectors.append('request')
|
||||
occ.update({'request': {
|
||||
'metadata_url': url}})
|
||||
|
||||
collectors.append('local')
|
||||
self.metadata_set(meta)
|
||||
|
||||
# push replacement polling config to any existing push-based sources
|
||||
queue_id = self.data().get('metadata_queue_id')
|
||||
if queue_id:
|
||||
zaqar_plugin = self.client_plugin('zaqar')
|
||||
zaqar = zaqar_plugin.create_for_tenant(
|
||||
self.stack.stack_user_project_id, self._user_token())
|
||||
queue = zaqar.queue(queue_id)
|
||||
queue.post({'body': meta, 'ttl': zaqar_plugin.DEFAULT_TTL})
|
||||
|
||||
object_name = self.data().get('metadata_object_name')
|
||||
if object_name:
|
||||
container = self.physical_resource_name()
|
||||
self.client('swift').put_object(
|
||||
container, object_name, jsonutils.dumps(meta))
|
||||
|
||||
def _create_transport_credentials(self, props):
|
||||
if self.transport_poll_server_cfn(props):
|
||||
self._create_user()
|
||||
self._create_keypair()
|
||||
|
||||
elif (self.transport_poll_server_heat(props) or
|
||||
self.transport_zaqar_message(props)):
|
||||
self.password = uuid.uuid4().hex
|
||||
self._create_user()
|
||||
|
||||
self._register_access_key()
|
||||
|
||||
@property
|
||||
def access_key(self):
|
||||
return self.data().get('access_key')
|
||||
|
||||
@property
|
||||
def secret_key(self):
|
||||
return self.data().get('secret_key')
|
||||
|
||||
@property
|
||||
def password(self):
|
||||
return self.data().get('password')
|
||||
|
||||
@password.setter
|
||||
def password(self, password):
|
||||
if password is None:
|
||||
self.data_delete('password')
|
||||
else:
|
||||
self.data_set('password', password, True)
|
||||
|
||||
def transport_poll_server_cfn(self, props):
|
||||
return props[
|
||||
self.SOFTWARE_CONFIG_TRANSPORT] == self.POLL_SERVER_CFN
|
||||
|
||||
def transport_poll_server_heat(self, props):
|
||||
return props[
|
||||
self.SOFTWARE_CONFIG_TRANSPORT] == self.POLL_SERVER_HEAT
|
||||
|
||||
def transport_poll_temp_url(self, props):
|
||||
return props[
|
||||
self.SOFTWARE_CONFIG_TRANSPORT] == self.POLL_TEMP_URL
|
||||
|
||||
def transport_zaqar_message(self, props):
|
||||
return props[
|
||||
self.SOFTWARE_CONFIG_TRANSPORT] == self.ZAQAR_MESSAGE
|
||||
|
||||
def check_create_complete(self, server_id):
|
||||
return True
|
||||
|
||||
def _resolve_attribute(self, name):
|
||||
if self.resource_id is None:
|
||||
return
|
||||
if name == self.NAME_ATTR:
|
||||
return self._server_name()
|
||||
|
||||
def handle_update(self, json_snippet, tmpl_diff, prop_diff):
|
||||
if tmpl_diff.metadata_changed():
|
||||
# If SOFTWARE_CONFIG user_data_format is enabled we require
|
||||
# the "deployments" and "os-collect-config" keys for Deployment
|
||||
# polling. We can attempt to merge the occ data, but any
|
||||
# metadata update containing deployments will be discarded.
|
||||
new_md = json_snippet.metadata()
|
||||
if self.user_data_software_config():
|
||||
metadata = self.metadata_get(True) or {}
|
||||
new_occ_md = new_md.get('os-collect-config', {})
|
||||
occ_md = metadata.get('os-collect-config', {})
|
||||
occ_md.update(new_occ_md)
|
||||
new_md['os-collect-config'] = occ_md
|
||||
deployment_md = metadata.get('deployments', [])
|
||||
new_md['deployments'] = deployment_md
|
||||
self.metadata_set(new_md)
|
||||
|
||||
updaters = []
|
||||
server = None
|
||||
|
||||
if self.METADATA in prop_diff:
|
||||
server = self.client_plugin().get_server(self.resource_id)
|
||||
self.client_plugin().meta_update(server,
|
||||
prop_diff[self.METADATA])
|
||||
|
||||
if self.SOFTWARE_CONFIG_TRANSPORT in prop_diff:
|
||||
self._update_software_config_transport(prop_diff)
|
||||
|
||||
# NOTE(pas-ha) optimization is possible (starting first task
|
||||
# right away), but we'd rather not, as this method already might
|
||||
# have called several APIs
|
||||
return updaters
|
||||
|
||||
def _update_software_config_transport(self, prop_diff):
|
||||
if not self.user_data_software_config():
|
||||
return
|
||||
try:
|
||||
metadata = self.metadata_get(True) or {}
|
||||
self._create_transport_credentials(prop_diff)
|
||||
self._populate_deployments_metadata(metadata, prop_diff)
|
||||
# push new metadata to all sources by creating a dummy
|
||||
# deployment
|
||||
sc = self.rpc_client().create_software_config(
|
||||
self.context, 'ignored', 'ignored', '')
|
||||
sd = self.rpc_client().create_software_deployment(
|
||||
self.context, self.resource_id, sc['id'])
|
||||
self.rpc_client().delete_software_deployment(
|
||||
self.context, sd['id'])
|
||||
self.rpc_client().delete_software_config(
|
||||
self.context, sc['id'])
|
||||
except Exception:
|
||||
# Updating the software config transport is on a best-effort
|
||||
# basis as any raised exception here would result in the resource
|
||||
# going into an ERROR state, which will be replaced on the next
|
||||
# stack update. This is not desirable for a server. The old
|
||||
# transport will continue to work, and the new transport may work
|
||||
# despite exceptions in the above block.
|
||||
LOG.exception(
|
||||
_LE('Error while updating software config transport')
|
||||
)
|
||||
|
||||
def metadata_update(self, new_metadata=None):
|
||||
"""Refresh the metadata if new_metadata is None."""
|
||||
if new_metadata is None:
|
||||
# Re-resolve the template metadata and merge it with the
|
||||
# current resource metadata. This is necessary because the
|
||||
# attributes referenced in the template metadata may change
|
||||
# and the resource itself adds keys to the metadata which
|
||||
# are not specified in the template (e.g the deployments data)
|
||||
meta = self.metadata_get(refresh=True) or {}
|
||||
tmpl_meta = self.t.metadata()
|
||||
meta.update(tmpl_meta)
|
||||
self.metadata_set(meta)
|
||||
|
||||
@staticmethod
|
||||
def _check_maximum(count, maximum, msg):
|
||||
"""Check a count against a maximum.
|
||||
|
||||
Unless maximum is -1 which indicates that there is no limit.
|
||||
"""
|
||||
if maximum != -1 and count > maximum:
|
||||
raise exception.StackValidationFailed(message=msg)
|
||||
|
||||
def _delete_temp_url(self):
|
||||
object_name = self.data().get('metadata_object_name')
|
||||
if not object_name:
|
||||
return
|
||||
with self.client_plugin('swift').ignore_not_found:
|
||||
container = self.physical_resource_name()
|
||||
swift = self.client('swift')
|
||||
swift.delete_object(container, object_name)
|
||||
headers = swift.head_container(container)
|
||||
if int(headers['x-container-object-count']) == 0:
|
||||
swift.delete_container(container)
|
||||
|
||||
def _delete_queue(self):
|
||||
queue_id = self.data().get('metadata_queue_id')
|
||||
if not queue_id:
|
||||
return
|
||||
client_plugin = self.client_plugin('zaqar')
|
||||
zaqar = client_plugin.create_for_tenant(
|
||||
self.stack.stack_user_project_id, self._user_token())
|
||||
with client_plugin.ignore_not_found:
|
||||
zaqar.queue(queue_id).delete()
|
||||
self.data_delete('metadata_queue_id')
|
||||
|
||||
def handle_snapshot_delete(self, state):
|
||||
|
||||
if state[1] != self.FAILED and self.resource_id:
|
||||
image_id = self.client().servers.create_image(
|
||||
self.resource_id, self.physical_resource_name())
|
||||
return progress.ServerDeleteProgress(
|
||||
self.resource_id, image_id, False)
|
||||
return self._delete()
|
||||
|
||||
def handle_delete(self):
|
||||
|
||||
return self._delete()
|
||||
|
||||
def check_delete_complete(self, prg):
|
||||
if not prg:
|
||||
return True
|
@ -165,3 +165,15 @@ class StackUser(resource.Resource):
|
||||
|
||||
for data_key in ('access_key', 'secret_key', 'credential_id'):
|
||||
self.data_delete(data_key)
|
||||
|
||||
def _register_access_key(self):
|
||||
"""Access is limited to this resource, which created the keypair."""
|
||||
def access_allowed(resource_name):
|
||||
return resource_name == self.name
|
||||
|
||||
if self.access_key is not None:
|
||||
self.stack.register_access_allowed_handler(
|
||||
self.access_key, access_allowed)
|
||||
if self._get_user_id() is not None:
|
||||
self.stack.register_access_allowed_handler(
|
||||
self._get_user_id(), access_allowed)
|
||||
|
Loading…
x
Reference in New Issue
Block a user