##
import abc
import asyncio
+from typing import Union
import random
import time
import shlex
# sync local dir
self.fs.sync(from_path=cluster_id)
+ # helm repo add name url
+ command = "env KUBECONFIG={} {} repo add {} {}".format(
+ paths["kube_config"], self._helm_command, name, url
+ )
+ self.log.debug("adding repo: {}".format(command))
+ await self._local_async_exec(
+ command=command, raise_exception_on_error=True, env=env
+ )
+
# helm repo update
- command = "env KUBECONFIG={} {} repo update".format(
- paths["kube_config"], self._helm_command
+ command = "env KUBECONFIG={} {} repo update {}".format(
+ paths["kube_config"], self._helm_command, name
)
self.log.debug("updating repo: {}".format(command))
await self._local_async_exec(
command=command, raise_exception_on_error=False, env=env
)
- # helm repo add name url
- command = "env KUBECONFIG={} {} repo add {} {}".format(
- paths["kube_config"], self._helm_command, name, url
+ # sync fs
+ self.fs.reverse_sync(from_path=cluster_id)
+
+ async def repo_update(self, cluster_id: str, name: str, repo_type: str = "chart"):
+ self.log.debug(
+ "Cluster {}, updating {} repository {}".format(cluster_id, repo_type, name)
)
- self.log.debug("adding repo: {}".format(command))
+
+ # init_env
+ paths, env = self._init_paths_env(
+ cluster_name=cluster_id, create_if_not_exist=True
+ )
+
+ # sync local dir
+ self.fs.sync(from_path=cluster_id)
+
+ # helm repo update
+ command = "{} repo update {}".format(self._helm_command, name)
+ self.log.debug("updating repo: {}".format(command))
await self._local_async_exec(
- command=command, raise_exception_on_error=True, env=env
+ command=command, raise_exception_on_error=False, env=env
)
# sync fs
version = str(parts[1])
kdu_model = parts[0]
+ repo = self._split_repo(kdu_model)
+ if repo:
+ await self.repo_update(cluster_id, repo)
+
command = self._get_install_command(
kdu_model,
kdu_instance,
namespace=namespace,
db_dict=db_dict,
operation="install",
- run_once=False,
)
)
namespace=namespace,
db_dict=db_dict,
operation="install",
- run_once=True,
- check_every=0,
)
if rc != 0:
version = str(parts[1])
kdu_model = parts[0]
+ repo = self._split_repo(kdu_model)
+ if repo:
+ await self.repo_update(cluster_id, repo)
+
command = self._get_upgrade_command(
kdu_model,
kdu_instance,
namespace=instance_info["namespace"],
db_dict=db_dict,
operation="upgrade",
- run_once=False,
)
)
namespace=instance_info["namespace"],
db_dict=db_dict,
operation="upgrade",
- run_once=True,
- check_every=0,
)
if rc != 0:
namespace=instance_info["namespace"],
db_dict=db_dict,
operation="rollback",
- run_once=False,
)
)
namespace=instance_info["namespace"],
db_dict=db_dict,
operation="rollback",
- run_once=True,
- check_every=0,
)
if rc != 0:
return service
- async def status_kdu(self, cluster_uuid: str, kdu_instance: str, **kwargs) -> str:
+ async def status_kdu(
+ self, cluster_uuid: str, kdu_instance: str, yaml_format: str = False, **kwargs
+ ) -> Union[str, dict]:
"""
This call would retrieve tha current state of a given KDU instance. It would be
would allow to retrieve the _composition_ (i.e. K8s objects) and _specific
:param cluster_uuid: UUID of a K8s cluster known by OSM
:param kdu_instance: unique name for the KDU instance
:param kwargs: Additional parameters (None yet)
+ :param yaml_format: if the return shall be returned as an YAML string or as a
+ dictionary
:return: If successful, it will return the following vector of arguments:
- K8s `namespace` in the cluster where the KDU lives
- `state` of the KDU instance. It can be:
cluster_id=cluster_id,
kdu_instance=kdu_instance,
namespace=instance["namespace"],
+ yaml_format=yaml_format,
show_error_log=True,
- return_text=True,
)
# sync fs
cluster_id: str,
kdu_instance: str,
namespace: str = None,
+ yaml_format: bool = False,
show_error_log: bool = False,
- return_text: bool = False,
- ):
+ ) -> Union[str, dict]:
"""
Implements the helm version dependent method to obtain status of a helm instance
"""
operation: str,
kdu_instance: str,
namespace: str = None,
- check_every: float = 10,
db_dict: dict = None,
- run_once: bool = False,
- ):
- while True:
- try:
- await asyncio.sleep(check_every)
- detailed_status = await self._status_kdu(
- cluster_id=cluster_id,
- kdu_instance=kdu_instance,
- namespace=namespace,
- return_text=False,
- )
- status = detailed_status.get("info").get("description")
- self.log.debug("KDU {} STATUS: {}.".format(kdu_instance, status))
- # write status to db
- result = await self.write_app_status_to_db(
- db_dict=db_dict,
- status=str(status),
- detailed_status=str(detailed_status),
- operation=operation,
- )
- if not result:
- self.log.info("Error writing in database. Task exiting...")
- return
- except asyncio.CancelledError:
- self.log.debug("Task cancelled")
- return
- except Exception as e:
- self.log.debug(
- "_store_status exception: {}".format(str(e)), exc_info=True
- )
- pass
- finally:
- if run_once:
- return
+ ) -> None:
+ """
+ Obtains the status of the KDU instance based on Helm Charts, and stores it in the database.
+
+ :param cluster_id (str): the cluster where the KDU instance is deployed
+ :param operation (str): The operation related to the status to be updated (for instance, "install" or "upgrade")
+ :param kdu_instance (str): The KDU instance in relation to which the status is obtained
+ :param namespace (str): The Kubernetes namespace where the KDU instance was deployed. Defaults to None
+ :param db_dict (dict): A dictionary with the database necessary information. It shall contain the
+ values for the keys:
+ - "collection": The Mongo DB collection to write to
+ - "filter": The query filter to use in the update process
+ - "path": The dot separated keys which targets the object to be updated
+ Defaults to None.
+ """
+
+ try:
+ detailed_status = await self._status_kdu(
+ cluster_id=cluster_id,
+ kdu_instance=kdu_instance,
+ yaml_format=False,
+ namespace=namespace,
+ )
+
+ status = detailed_status.get("info").get("description")
+ self.log.debug(f"Status for KDU {kdu_instance} obtained: {status}.")
+
+ # write status to db
+ result = await self.write_app_status_to_db(
+ db_dict=db_dict,
+ status=str(status),
+ detailed_status=str(detailed_status),
+ operation=operation,
+ )
+
+ if not result:
+ self.log.info("Error writing in database. Task exiting...")
+
+ except asyncio.CancelledError as e:
+ self.log.warning(
+ f"Exception in method {self._store_status.__name__} (task cancelled): {e}"
+ )
+ except Exception as e:
+ self.log.warning(f"Exception in method {self._store_status.__name__}: {e}")
# params for use in -f file
# returns values file option and filename (in order to delete it at the end)
name = name + get_random_number()
return name.lower()
+
+ def _split_repo(self, kdu_model: str) -> str:
+ repo_name = None
+ idx = kdu_model.find("/")
+ if idx >= 0:
+ repo_name = kdu_model[:idx]
+ return repo_name