# limitations under the License.
import asyncio
+from typing import Union
import os
import uuid
import yaml
db_uri = EnvironConfig(prefixes=["OSMLCM_", "OSMMON_"]).get("database_uri")
self._store = MotorStore(db_uri)
self.loading_libjuju = asyncio.Lock(loop=self.loop)
+ self.uninstall_locks = {}
self.log.debug("K8S Juju connector initialized")
# TODO: Remove these commented lines:
# if it fails in the middle of the process
cleanup_data = []
try:
+ self.log.debug("Initializing K8s cluster for juju")
kubectl.create_cluster_role(
name=metadata_name,
labels=labels,
)
+ self.log.debug("Cluster role created")
cleanup_data.append(
{
"delete": kubectl.delete_cluster_role,
name=metadata_name,
labels=labels,
)
+ self.log.debug("Service account created")
cleanup_data.append(
{
"delete": kubectl.delete_service_account,
name=metadata_name,
labels=labels,
)
+ self.log.debug("Role binding created")
cleanup_data.append(
{
"delete": kubectl.delete_service_account,
)
default_storage_class = kubectl.get_default_storage_class()
+ self.log.debug("Default storage class: {}".format(default_storage_class))
await libjuju.add_k8s(
name=cluster_uuid,
rbac_id=rbac_id,
storage_class=default_storage_class,
credential_name=self._get_credential_name(cluster_uuid),
)
+ self.log.debug("K8s cluster added to juju controller")
return cluster_uuid, True
except Exception as e:
- self.log.error("Error initializing k8scluster: {}".format(e))
+ self.log.error("Error initializing k8scluster: {}".format(e), exc_info=True)
if len(cleanup_data) > 0:
self.log.debug("Cleaning up created resources in k8s cluster...")
for item in cleanup_data:
name: str,
url: str,
_type: str = "charm",
+ cert: str = None,
+ user: str = None,
+ password: str = None,
):
raise MethodNotImplemented()
"""
self.log.debug("[uninstall] Destroying model")
- libjuju = await self._get_libjuju(kwargs.get("vca_id"))
- await libjuju.destroy_model(kdu_instance, total_timeout=3600)
+ will_not_delete = False
+ if kdu_instance not in self.uninstall_locks:
+ self.uninstall_locks[kdu_instance] = asyncio.Lock(loop=self.loop)
+ delete_lock = self.uninstall_locks[kdu_instance]
+
+ while delete_lock.locked():
+ will_not_delete = True
+ await asyncio.sleep(0.1)
+
+ if will_not_delete:
+ self.log.info("Model {} deleted by another worker.".format(kdu_instance))
+ return True
- # self.log.debug("[uninstall] Model destroyed and disconnecting")
- # await controller.disconnect()
+ try:
+ async with delete_lock:
+ libjuju = await self._get_libjuju(kwargs.get("vca_id"))
+
+ await libjuju.destroy_model(kdu_instance, total_timeout=3600)
+ finally:
+ self.uninstall_locks.pop(kdu_instance)
+ self.log.debug(f"[uninstall] Model {kdu_instance} destroyed")
return True
- # TODO: Remove these commented lines
- # if not self.authenticated:
- # self.log.debug("[uninstall] Connecting to controller")
- # await self.login(cluster_uuid)
async def exec_primitive(
self,
complete_status: bool = False,
yaml_format: bool = False,
**kwargs,
- ) -> dict:
+ ) -> Union[str, dict]:
"""Get the status of the KDU
Get the current status of the KDU instance.