##
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
return []
async def repo_remove(self, cluster_uuid: str, name: str):
-
_, cluster_id = self._get_namespace_cluster_id(cluster_uuid)
self.log.debug("remove {} repositories for cluster {}".format(name, cluster_id))
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,
)
)
output, rc = exec_task.result()
else:
-
output, rc = await self._local_async_exec(
command=command, raise_exception_on_error=False, env=env
)
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,
self.log.debug("upgrading: {}".format(command))
if atomic:
-
# exec helm in a task
exec_task = asyncio.ensure_future(
coro_or_future=self._local_async_exec(
namespace=instance_info["namespace"],
db_dict=db_dict,
operation="upgrade",
- run_once=False,
)
)
output, rc = exec_task.result()
else:
-
output, rc = await self._local_async_exec(
command=command, raise_exception_on_error=False, env=env
)
namespace=instance_info["namespace"],
db_dict=db_dict,
operation="upgrade",
- run_once=True,
- check_every=0,
)
if rc != 0:
async def rollback(
self, cluster_uuid: str, kdu_instance: str, revision=0, db_dict: dict = None
):
-
_, cluster_id = self._get_namespace_cluster_id(cluster_uuid)
self.log.debug(
"rollback kdu_instance {} to revision {} from cluster {}".format(
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:
async def get_service(
self, cluster_uuid: str, service_name: str, namespace: str
) -> object:
-
self.log.debug(
"get service, service_name: {}, namespace: {}, cluster_uuid: {}".format(
service_name, namespace, cluster_uuid
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
return status
async def values_kdu(self, kdu_model: str, repo_url: str = None) -> str:
-
self.log.debug(
"inspect kdu_model values {} from (optional) repo: {}".format(
kdu_model, repo_url
)
async def help_kdu(self, kdu_model: str, repo_url: str = None) -> str:
-
self.log.debug(
"inspect kdu_model {} readme.md from repo: {}".format(kdu_model, repo_url)
)
)
async def synchronize_repos(self, cluster_uuid: str):
-
self.log.debug("synchronize repos for cluster helm-id: {}".format(cluster_uuid))
try:
db_repo_ids = self._get_helm_chart_repos_ids(cluster_uuid)
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
"""
encode_utf8: bool = False,
env: dict = None,
) -> (str, int):
-
command = K8sHelmBaseConnector._remove_multiple_spaces(command)
self.log.debug(
"Executing async local command: {}, env: {}".format(command, env)
encode_utf8: bool = False,
env: dict = None,
):
-
command1 = K8sHelmBaseConnector._remove_multiple_spaces(command1)
command2 = K8sHelmBaseConnector._remove_multiple_spaces(command2)
command = "{} | {}".format(command1, command2)
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)
def _params_to_file_option(self, cluster_id: str, params: dict) -> (str, str):
-
if params and len(params) > 0:
self._init_paths_env(cluster_name=cluster_id, create_if_not_exist=True)
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