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## |
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# Copyright 2019 Telefonica Investigacion y Desarrollo, S.A.U. |
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# This file is part of OSM |
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# All Rights Reserved. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
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# implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# |
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# For those usages not covered by the Apache License, Version 2.0 please |
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# contact with: nfvlabs@tid.es |
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## |
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import abc |
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import asyncio |
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from typing import Union |
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from shlex import quote |
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import random |
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import time |
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import shlex |
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import shutil |
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import stat |
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import os |
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import yaml |
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from uuid import uuid4 |
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from urllib.parse import urlparse |
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|
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from n2vc.config import EnvironConfig |
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from n2vc.exceptions import K8sException |
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from n2vc.k8s_conn import K8sConnector |
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from n2vc.kubectl import Kubectl |
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|
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class K8sHelmBaseConnector(K8sConnector): |
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|
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""" |
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#################################################################################### |
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################################### P U B L I C #################################### |
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#################################################################################### |
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""" |
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|
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service_account = "osm" |
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|
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def __init__( |
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self, |
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fs: object, |
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db: object, |
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kubectl_command: str = "/usr/bin/kubectl", |
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helm_command: str = "/usr/bin/helm", |
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log: object = None, |
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on_update_db=None, |
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): |
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""" |
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|
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:param fs: file system for kubernetes and helm configuration |
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:param db: database object to write current operation status |
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:param kubectl_command: path to kubectl executable |
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:param helm_command: path to helm executable |
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:param log: logger |
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:param on_update_db: callback called when k8s connector updates database |
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""" |
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|
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# parent class |
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K8sConnector.__init__(self, db=db, log=log, on_update_db=on_update_db) |
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self.log.info("Initializing K8S Helm connector") |
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self.config = EnvironConfig() |
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# random numbers for release name generation |
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random.seed(time.time()) |
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|
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# the file system |
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self.fs = fs |
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|
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# exception if kubectl is not installed |
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self.kubectl_command = kubectl_command |
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self._check_file_exists(filename=kubectl_command, exception_if_not_exists=True) |
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|
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# exception if helm is not installed |
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self._helm_command = helm_command |
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self._check_file_exists(filename=helm_command, exception_if_not_exists=True) |
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# obtain stable repo url from config or apply default |
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self._stable_repo_url = self.config.get("stablerepourl") |
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if self._stable_repo_url == "None": |
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self._stable_repo_url = None |
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|
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# Lock to avoid concurrent execution of helm commands |
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self.cmd_lock = asyncio.Lock() |
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def _get_namespace(self, cluster_uuid: str) -> str: |
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""" |
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Obtains the namespace used by the cluster with the uuid passed by argument |
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param: cluster_uuid: cluster's uuid |
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""" |
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# first, obtain the cluster corresponding to the uuid passed by argument |
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k8scluster = self.db.get_one( |
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"k8sclusters", q_filter={"_id": cluster_uuid}, fail_on_empty=False |
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) |
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return k8scluster.get("namespace") |
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async def init_env( |
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self, |
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k8s_creds: str, |
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namespace: str = "kube-system", |
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reuse_cluster_uuid=None, |
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**kwargs, |
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) -> tuple[str, bool]: |
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""" |
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It prepares a given K8s cluster environment to run Charts |
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|
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:param k8s_creds: credentials to access a given K8s cluster, i.e. a valid |
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'.kube/config' |
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:param namespace: optional namespace to be used for helm. By default, |
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'kube-system' will be used |
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:param reuse_cluster_uuid: existing cluster uuid for reuse |
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:param kwargs: Additional parameters (None yet) |
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:return: uuid of the K8s cluster and True if connector has installed some |
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software in the cluster |
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(on error, an exception will be raised) |
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""" |
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if reuse_cluster_uuid: |
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cluster_id = reuse_cluster_uuid |
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else: |
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cluster_id = str(uuid4()) |
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self.log.debug( |
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"Initializing K8S Cluster {}. namespace: {}".format(cluster_id, namespace) |
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) |
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|
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paths, env = self._init_paths_env( |
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cluster_name=cluster_id, create_if_not_exist=True |
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) |
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mode = stat.S_IRUSR | stat.S_IWUSR |
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with open(paths["kube_config"], "w", mode) as f: |
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f.write(k8s_creds) |
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os.chmod(paths["kube_config"], 0o600) |
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# Code with initialization specific of helm version |
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n2vc_installed_sw = await self._cluster_init(cluster_id, namespace, paths, env) |
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# sync fs with local data |
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self.fs.reverse_sync(from_path=cluster_id) |
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self.log.info("Cluster {} initialized".format(cluster_id)) |
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return cluster_id, n2vc_installed_sw |
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async def repo_add( |
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self, |
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cluster_uuid: str, |
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name: str, |
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url: str, |
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repo_type: str = "chart", |
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cert: str = None, |
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user: str = None, |
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password: str = None, |
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oci: bool = False, |
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): |
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self.log.debug( |
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"Cluster {}, adding {} repository {}. URL: {}".format( |
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cluster_uuid, repo_type, name, url |
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) |
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) |
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|
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# init_env |
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paths, env = self._init_paths_env( |
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cluster_name=cluster_uuid, create_if_not_exist=True |
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) |
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|
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# sync local dir |
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self.fs.sync(from_path=cluster_uuid) |
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|
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if oci: |
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if user and password: |
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host_port = urlparse(url).netloc if url.startswith("oci://") else url |
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# helm registry login url |
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command = "env KUBECONFIG={} {} registry login {}".format( |
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paths["kube_config"], self._helm_command, quote(host_port) |
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) |
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else: |
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self.log.debug( |
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"OCI registry login is not needed for repo: {}".format(name) |
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) |
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return |
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else: |
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# helm repo add name url |
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command = "env KUBECONFIG={} {} repo add {} {}".format( |
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paths["kube_config"], self._helm_command, quote(name), quote(url) |
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) |
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|
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if cert: |
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temp_cert_file = os.path.join( |
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self.fs.path, "{}/helmcerts/".format(cluster_uuid), "temp.crt" |
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) |
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os.makedirs(os.path.dirname(temp_cert_file), exist_ok=True) |
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with open(temp_cert_file, "w") as the_cert: |
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the_cert.write(cert) |
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command += " --ca-file {}".format(quote(temp_cert_file)) |
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if user: |
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command += " --username={}".format(quote(user)) |
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|
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if password: |
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command += " --password={}".format(quote(password)) |
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|
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self.log.debug("adding repo: {}".format(command)) |
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await self._local_async_exec( |
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command=command, raise_exception_on_error=True, env=env |
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) |
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|
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if not oci: |
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# helm repo update |
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command = "env KUBECONFIG={} {} repo update {}".format( |
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paths["kube_config"], self._helm_command, quote(name) |
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) |
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self.log.debug("updating repo: {}".format(command)) |
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await self._local_async_exec( |
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command=command, raise_exception_on_error=False, env=env |
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) |
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|
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# sync fs |
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self.fs.reverse_sync(from_path=cluster_uuid) |
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|
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async def repo_update(self, cluster_uuid: str, name: str, repo_type: str = "chart"): |
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self.log.debug( |
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"Cluster {}, updating {} repository {}".format( |
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cluster_uuid, repo_type, name |
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) |
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) |
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|
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# init_env |
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paths, env = self._init_paths_env( |
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cluster_name=cluster_uuid, create_if_not_exist=True |
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) |
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|
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# sync local dir |
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self.fs.sync(from_path=cluster_uuid) |
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|
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# helm repo update |
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command = "{} repo update {}".format(self._helm_command, quote(name)) |
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self.log.debug("updating repo: {}".format(command)) |
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await self._local_async_exec( |
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command=command, raise_exception_on_error=False, env=env |
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) |
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|
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# sync fs |
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self.fs.reverse_sync(from_path=cluster_uuid) |
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|
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async def repo_list(self, cluster_uuid: str) -> list: |
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""" |
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Get the list of registered repositories |
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|
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:return: list of registered repositories: [ (name, url) .... ] |
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""" |
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|
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self.log.debug("list repositories for cluster {}".format(cluster_uuid)) |
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|
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# config filename |
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paths, env = self._init_paths_env( |
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cluster_name=cluster_uuid, create_if_not_exist=True |
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) |
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|
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# sync local dir |
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self.fs.sync(from_path=cluster_uuid) |
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|
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command = "env KUBECONFIG={} {} repo list --output yaml".format( |
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paths["kube_config"], self._helm_command |
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) |
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|
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# Set exception to false because if there are no repos just want an empty list |
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output, _rc = await self._local_async_exec( |
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command=command, raise_exception_on_error=False, env=env |
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) |
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|
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# sync fs |
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self.fs.reverse_sync(from_path=cluster_uuid) |
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|
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if _rc == 0: |
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if output and len(output) > 0: |
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repos = yaml.load(output, Loader=yaml.SafeLoader) |
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# unify format between helm2 and helm3 setting all keys lowercase |
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return self._lower_keys_list(repos) |
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else: |
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return [] |
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else: |
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return [] |
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|
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async def repo_remove(self, cluster_uuid: str, name: str): |
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self.log.debug( |
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"remove {} repositories for cluster {}".format(name, cluster_uuid) |
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) |
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|
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# init env, paths |
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paths, env = self._init_paths_env( |
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cluster_name=cluster_uuid, create_if_not_exist=True |
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) |
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|
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# sync local dir |
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self.fs.sync(from_path=cluster_uuid) |
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|
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command = "env KUBECONFIG={} {} repo remove {}".format( |
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paths["kube_config"], self._helm_command, quote(name) |
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) |
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await self._local_async_exec( |
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command=command, raise_exception_on_error=True, env=env |
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) |
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|
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# sync fs |
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self.fs.reverse_sync(from_path=cluster_uuid) |
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|
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async def reset( |
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self, |
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cluster_uuid: str, |
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force: bool = False, |
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uninstall_sw: bool = False, |
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**kwargs, |
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) -> bool: |
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"""Reset a cluster |
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|
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|
Resets the Kubernetes cluster by removing the helm deployment that represents it. |
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|
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:param cluster_uuid: The UUID of the cluster to reset |
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:param force: Boolean to force the reset |
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:param uninstall_sw: Boolean to force the reset |
| 337 |
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:param kwargs: Additional parameters (None yet) |
| 338 |
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:return: Returns True if successful or raises an exception. |
| 339 |
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""" |
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namespace = self._get_namespace(cluster_uuid=cluster_uuid) |
| 341 |
1 |
self.log.debug( |
| 342 |
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"Resetting K8s environment. cluster uuid: {} uninstall={}".format( |
| 343 |
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cluster_uuid, uninstall_sw |
| 344 |
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) |
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) |
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|
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# sync local dir |
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1 |
self.fs.sync(from_path=cluster_uuid) |
| 349 |
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|
| 350 |
|
# uninstall releases if needed. |
| 351 |
1 |
if uninstall_sw: |
| 352 |
1 |
releases = await self.instances_list(cluster_uuid=cluster_uuid) |
| 353 |
1 |
if len(releases) > 0: |
| 354 |
1 |
if force: |
| 355 |
1 |
for r in releases: |
| 356 |
1 |
try: |
| 357 |
1 |
kdu_instance = r.get("name") |
| 358 |
1 |
chart = r.get("chart") |
| 359 |
1 |
self.log.debug( |
| 360 |
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"Uninstalling {} -> {}".format(chart, kdu_instance) |
| 361 |
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) |
| 362 |
1 |
await self.uninstall( |
| 363 |
|
cluster_uuid=cluster_uuid, kdu_instance=kdu_instance |
| 364 |
|
) |
| 365 |
0 |
except Exception as e: |
| 366 |
|
# will not raise exception as it was found |
| 367 |
|
# that in some cases of previously installed helm releases it |
| 368 |
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# raised an error |
| 369 |
0 |
self.log.warn( |
| 370 |
|
"Error uninstalling release {}: {}".format( |
| 371 |
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kdu_instance, e |
| 372 |
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) |
| 373 |
|
) |
| 374 |
|
else: |
| 375 |
0 |
msg = ( |
| 376 |
|
"Cluster uuid: {} has releases and not force. Leaving K8s helm environment" |
| 377 |
|
).format(cluster_uuid) |
| 378 |
0 |
self.log.warn(msg) |
| 379 |
0 |
uninstall_sw = ( |
| 380 |
|
False # Allow to remove k8s cluster without removing Tiller |
| 381 |
|
) |
| 382 |
|
|
| 383 |
1 |
if uninstall_sw: |
| 384 |
1 |
await self._uninstall_sw(cluster_id=cluster_uuid, namespace=namespace) |
| 385 |
|
|
| 386 |
|
# delete cluster directory |
| 387 |
1 |
self.log.debug("Removing directory {}".format(cluster_uuid)) |
| 388 |
1 |
self.fs.file_delete(cluster_uuid, ignore_non_exist=True) |
| 389 |
|
# Remove also local directorio if still exist |
| 390 |
1 |
direct = self.fs.path + "/" + cluster_uuid |
| 391 |
1 |
shutil.rmtree(direct, ignore_errors=True) |
| 392 |
|
|
| 393 |
1 |
return True |
| 394 |
|
|
| 395 |
1 |
def _is_helm_chart_a_file(self, chart_name: str): |
| 396 |
1 |
return chart_name.count("/") > 1 |
| 397 |
|
|
| 398 |
1 |
@staticmethod |
| 399 |
1 |
def _is_helm_chart_a_url(chart_name: str): |
| 400 |
1 |
result = urlparse(chart_name) |
| 401 |
1 |
return all([result.scheme, result.netloc]) |
| 402 |
|
|
| 403 |
1 |
async def _install_impl( |
| 404 |
|
self, |
| 405 |
|
cluster_id: str, |
| 406 |
|
kdu_model: str, |
| 407 |
|
paths: dict, |
| 408 |
|
env: dict, |
| 409 |
|
kdu_instance: str, |
| 410 |
|
atomic: bool = True, |
| 411 |
|
timeout: float = 300, |
| 412 |
|
params: dict = None, |
| 413 |
|
db_dict: dict = None, |
| 414 |
|
kdu_name: str = None, |
| 415 |
|
namespace: str = None, |
| 416 |
|
): |
| 417 |
|
# init env, paths |
| 418 |
1 |
paths, env = self._init_paths_env( |
| 419 |
|
cluster_name=cluster_id, create_if_not_exist=True |
| 420 |
|
) |
| 421 |
|
|
| 422 |
|
# params to str |
| 423 |
1 |
params_str, file_to_delete = self._params_to_file_option( |
| 424 |
|
cluster_id=cluster_id, params=params |
| 425 |
|
) |
| 426 |
|
|
| 427 |
1 |
kdu_model, version = await self._prepare_helm_chart(kdu_model, cluster_id) |
| 428 |
|
|
| 429 |
1 |
command = self._get_install_command( |
| 430 |
|
kdu_model, |
| 431 |
|
kdu_instance, |
| 432 |
|
namespace, |
| 433 |
|
params_str, |
| 434 |
|
version, |
| 435 |
|
atomic, |
| 436 |
|
timeout, |
| 437 |
|
paths["kube_config"], |
| 438 |
|
) |
| 439 |
|
|
| 440 |
1 |
self.log.debug("installing: {}".format(command)) |
| 441 |
|
|
| 442 |
1 |
if atomic: |
| 443 |
|
# exec helm in a task |
| 444 |
1 |
exec_task = asyncio.ensure_future( |
| 445 |
|
coro_or_future=self._local_async_exec( |
| 446 |
|
command=command, raise_exception_on_error=False, env=env |
| 447 |
|
) |
| 448 |
|
) |
| 449 |
|
|
| 450 |
|
# write status in another task |
| 451 |
1 |
status_task = asyncio.ensure_future( |
| 452 |
|
coro_or_future=self._store_status( |
| 453 |
|
cluster_id=cluster_id, |
| 454 |
|
kdu_instance=kdu_instance, |
| 455 |
|
namespace=namespace, |
| 456 |
|
db_dict=db_dict, |
| 457 |
|
operation="install", |
| 458 |
|
) |
| 459 |
|
) |
| 460 |
|
|
| 461 |
|
# wait for execution task |
| 462 |
1 |
await asyncio.wait([exec_task]) |
| 463 |
|
|
| 464 |
|
# cancel status task |
| 465 |
1 |
status_task.cancel() |
| 466 |
|
|
| 467 |
1 |
output, rc = exec_task.result() |
| 468 |
|
|
| 469 |
|
else: |
| 470 |
0 |
output, rc = await self._local_async_exec( |
| 471 |
|
command=command, raise_exception_on_error=False, env=env |
| 472 |
|
) |
| 473 |
|
|
| 474 |
|
# remove temporal values yaml file |
| 475 |
1 |
if file_to_delete: |
| 476 |
0 |
os.remove(file_to_delete) |
| 477 |
|
|
| 478 |
|
# write final status |
| 479 |
1 |
await self._store_status( |
| 480 |
|
cluster_id=cluster_id, |
| 481 |
|
kdu_instance=kdu_instance, |
| 482 |
|
namespace=namespace, |
| 483 |
|
db_dict=db_dict, |
| 484 |
|
operation="install", |
| 485 |
|
) |
| 486 |
|
|
| 487 |
1 |
if rc != 0: |
| 488 |
0 |
msg = "Error executing command: {}\nOutput: {}".format(command, output) |
| 489 |
0 |
self.log.error(msg) |
| 490 |
0 |
raise K8sException(msg) |
| 491 |
|
|
| 492 |
1 |
async def upgrade( |
| 493 |
|
self, |
| 494 |
|
cluster_uuid: str, |
| 495 |
|
kdu_instance: str, |
| 496 |
|
kdu_model: str = None, |
| 497 |
|
atomic: bool = True, |
| 498 |
|
timeout: float = 300, |
| 499 |
|
params: dict = None, |
| 500 |
|
db_dict: dict = None, |
| 501 |
|
namespace: str = None, |
| 502 |
|
force: bool = False, |
| 503 |
|
): |
| 504 |
1 |
self.log.debug("upgrading {} in cluster {}".format(kdu_model, cluster_uuid)) |
| 505 |
|
|
| 506 |
|
# sync local dir |
| 507 |
1 |
self.fs.sync(from_path=cluster_uuid) |
| 508 |
|
|
| 509 |
|
# look for instance to obtain namespace |
| 510 |
|
|
| 511 |
|
# set namespace |
| 512 |
1 |
if not namespace: |
| 513 |
1 |
instance_info = await self.get_instance_info(cluster_uuid, kdu_instance) |
| 514 |
1 |
if not instance_info: |
| 515 |
0 |
raise K8sException("kdu_instance {} not found".format(kdu_instance)) |
| 516 |
1 |
namespace = instance_info["namespace"] |
| 517 |
|
|
| 518 |
|
# init env, paths |
| 519 |
1 |
paths, env = self._init_paths_env( |
| 520 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 521 |
|
) |
| 522 |
|
|
| 523 |
|
# sync local dir |
| 524 |
1 |
self.fs.sync(from_path=cluster_uuid) |
| 525 |
|
|
| 526 |
|
# params to str |
| 527 |
1 |
params_str, file_to_delete = self._params_to_file_option( |
| 528 |
|
cluster_id=cluster_uuid, params=params |
| 529 |
|
) |
| 530 |
|
|
| 531 |
1 |
kdu_model, version = await self._prepare_helm_chart(kdu_model, cluster_uuid) |
| 532 |
|
|
| 533 |
1 |
command = self._get_upgrade_command( |
| 534 |
|
kdu_model, |
| 535 |
|
kdu_instance, |
| 536 |
|
namespace, |
| 537 |
|
params_str, |
| 538 |
|
version, |
| 539 |
|
atomic, |
| 540 |
|
timeout, |
| 541 |
|
paths["kube_config"], |
| 542 |
|
force, |
| 543 |
|
) |
| 544 |
|
|
| 545 |
1 |
self.log.debug("upgrading: {}".format(command)) |
| 546 |
|
|
| 547 |
1 |
if atomic: |
| 548 |
|
# exec helm in a task |
| 549 |
1 |
exec_task = asyncio.ensure_future( |
| 550 |
|
coro_or_future=self._local_async_exec( |
| 551 |
|
command=command, raise_exception_on_error=False, env=env |
| 552 |
|
) |
| 553 |
|
) |
| 554 |
|
# write status in another task |
| 555 |
1 |
status_task = asyncio.ensure_future( |
| 556 |
|
coro_or_future=self._store_status( |
| 557 |
|
cluster_id=cluster_uuid, |
| 558 |
|
kdu_instance=kdu_instance, |
| 559 |
|
namespace=namespace, |
| 560 |
|
db_dict=db_dict, |
| 561 |
|
operation="upgrade", |
| 562 |
|
) |
| 563 |
|
) |
| 564 |
|
|
| 565 |
|
# wait for execution task |
| 566 |
1 |
await asyncio.wait([exec_task]) |
| 567 |
|
|
| 568 |
|
# cancel status task |
| 569 |
1 |
status_task.cancel() |
| 570 |
1 |
output, rc = exec_task.result() |
| 571 |
|
|
| 572 |
|
else: |
| 573 |
0 |
output, rc = await self._local_async_exec( |
| 574 |
|
command=command, raise_exception_on_error=False, env=env |
| 575 |
|
) |
| 576 |
|
|
| 577 |
|
# remove temporal values yaml file |
| 578 |
1 |
if file_to_delete: |
| 579 |
0 |
os.remove(file_to_delete) |
| 580 |
|
|
| 581 |
|
# write final status |
| 582 |
1 |
await self._store_status( |
| 583 |
|
cluster_id=cluster_uuid, |
| 584 |
|
kdu_instance=kdu_instance, |
| 585 |
|
namespace=namespace, |
| 586 |
|
db_dict=db_dict, |
| 587 |
|
operation="upgrade", |
| 588 |
|
) |
| 589 |
|
|
| 590 |
1 |
if rc != 0: |
| 591 |
0 |
msg = "Error executing command: {}\nOutput: {}".format(command, output) |
| 592 |
0 |
self.log.error(msg) |
| 593 |
0 |
raise K8sException(msg) |
| 594 |
|
|
| 595 |
|
# sync fs |
| 596 |
1 |
self.fs.reverse_sync(from_path=cluster_uuid) |
| 597 |
|
|
| 598 |
|
# return new revision number |
| 599 |
1 |
instance = await self.get_instance_info( |
| 600 |
|
cluster_uuid=cluster_uuid, kdu_instance=kdu_instance |
| 601 |
|
) |
| 602 |
1 |
if instance: |
| 603 |
1 |
revision = int(instance.get("revision")) |
| 604 |
1 |
self.log.debug("New revision: {}".format(revision)) |
| 605 |
1 |
return revision |
| 606 |
|
else: |
| 607 |
0 |
return 0 |
| 608 |
|
|
| 609 |
1 |
async def scale( |
| 610 |
|
self, |
| 611 |
|
kdu_instance: str, |
| 612 |
|
scale: int, |
| 613 |
|
resource_name: str, |
| 614 |
|
total_timeout: float = 1800, |
| 615 |
|
cluster_uuid: str = None, |
| 616 |
|
kdu_model: str = None, |
| 617 |
|
atomic: bool = True, |
| 618 |
|
db_dict: dict = None, |
| 619 |
|
**kwargs, |
| 620 |
|
): |
| 621 |
|
"""Scale a resource in a Helm Chart. |
| 622 |
|
|
| 623 |
|
Args: |
| 624 |
|
kdu_instance: KDU instance name |
| 625 |
|
scale: Scale to which to set the resource |
| 626 |
|
resource_name: Resource name |
| 627 |
|
total_timeout: The time, in seconds, to wait |
| 628 |
|
cluster_uuid: The UUID of the cluster |
| 629 |
|
kdu_model: The chart reference |
| 630 |
|
atomic: if set, upgrade process rolls back changes made in case of failed upgrade. |
| 631 |
|
The --wait flag will be set automatically if --atomic is used |
| 632 |
|
db_dict: Dictionary for any additional data |
| 633 |
|
kwargs: Additional parameters |
| 634 |
|
|
| 635 |
|
Returns: |
| 636 |
|
True if successful, False otherwise |
| 637 |
|
""" |
| 638 |
|
|
| 639 |
1 |
debug_mgs = "scaling {} in cluster {}".format(kdu_model, cluster_uuid) |
| 640 |
1 |
if resource_name: |
| 641 |
1 |
debug_mgs = "scaling resource {} in model {} (cluster {})".format( |
| 642 |
|
resource_name, kdu_model, cluster_uuid |
| 643 |
|
) |
| 644 |
|
|
| 645 |
1 |
self.log.debug(debug_mgs) |
| 646 |
|
|
| 647 |
|
# look for instance to obtain namespace |
| 648 |
|
# get_instance_info function calls the sync command |
| 649 |
1 |
instance_info = await self.get_instance_info(cluster_uuid, kdu_instance) |
| 650 |
1 |
if not instance_info: |
| 651 |
0 |
raise K8sException("kdu_instance {} not found".format(kdu_instance)) |
| 652 |
|
|
| 653 |
|
# init env, paths |
| 654 |
1 |
paths, env = self._init_paths_env( |
| 655 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 656 |
|
) |
| 657 |
|
|
| 658 |
|
# version |
| 659 |
1 |
kdu_model, version = await self._prepare_helm_chart(kdu_model, cluster_uuid) |
| 660 |
|
|
| 661 |
1 |
repo_url = await self._find_repo(kdu_model, cluster_uuid) |
| 662 |
|
|
| 663 |
1 |
_, replica_str = await self._get_replica_count_url( |
| 664 |
|
kdu_model, repo_url, resource_name |
| 665 |
|
) |
| 666 |
|
|
| 667 |
1 |
command = self._get_upgrade_scale_command( |
| 668 |
|
kdu_model, |
| 669 |
|
kdu_instance, |
| 670 |
|
instance_info["namespace"], |
| 671 |
|
scale, |
| 672 |
|
version, |
| 673 |
|
atomic, |
| 674 |
|
replica_str, |
| 675 |
|
total_timeout, |
| 676 |
|
resource_name, |
| 677 |
|
paths["kube_config"], |
| 678 |
|
) |
| 679 |
|
|
| 680 |
1 |
self.log.debug("scaling: {}".format(command)) |
| 681 |
|
|
| 682 |
1 |
if atomic: |
| 683 |
|
# exec helm in a task |
| 684 |
1 |
exec_task = asyncio.ensure_future( |
| 685 |
|
coro_or_future=self._local_async_exec( |
| 686 |
|
command=command, raise_exception_on_error=False, env=env |
| 687 |
|
) |
| 688 |
|
) |
| 689 |
|
# write status in another task |
| 690 |
1 |
status_task = asyncio.ensure_future( |
| 691 |
|
coro_or_future=self._store_status( |
| 692 |
|
cluster_id=cluster_uuid, |
| 693 |
|
kdu_instance=kdu_instance, |
| 694 |
|
namespace=instance_info["namespace"], |
| 695 |
|
db_dict=db_dict, |
| 696 |
|
operation="scale", |
| 697 |
|
) |
| 698 |
|
) |
| 699 |
|
|
| 700 |
|
# wait for execution task |
| 701 |
1 |
await asyncio.wait([exec_task]) |
| 702 |
|
|
| 703 |
|
# cancel status task |
| 704 |
1 |
status_task.cancel() |
| 705 |
1 |
output, rc = exec_task.result() |
| 706 |
|
|
| 707 |
|
else: |
| 708 |
0 |
output, rc = await self._local_async_exec( |
| 709 |
|
command=command, raise_exception_on_error=False, env=env |
| 710 |
|
) |
| 711 |
|
|
| 712 |
|
# write final status |
| 713 |
1 |
await self._store_status( |
| 714 |
|
cluster_id=cluster_uuid, |
| 715 |
|
kdu_instance=kdu_instance, |
| 716 |
|
namespace=instance_info["namespace"], |
| 717 |
|
db_dict=db_dict, |
| 718 |
|
operation="scale", |
| 719 |
|
) |
| 720 |
|
|
| 721 |
1 |
if rc != 0: |
| 722 |
0 |
msg = "Error executing command: {}\nOutput: {}".format(command, output) |
| 723 |
0 |
self.log.error(msg) |
| 724 |
0 |
raise K8sException(msg) |
| 725 |
|
|
| 726 |
|
# sync fs |
| 727 |
1 |
self.fs.reverse_sync(from_path=cluster_uuid) |
| 728 |
|
|
| 729 |
1 |
return True |
| 730 |
|
|
| 731 |
1 |
async def get_scale_count( |
| 732 |
|
self, |
| 733 |
|
resource_name: str, |
| 734 |
|
kdu_instance: str, |
| 735 |
|
cluster_uuid: str, |
| 736 |
|
kdu_model: str, |
| 737 |
|
**kwargs, |
| 738 |
|
) -> int: |
| 739 |
|
"""Get a resource scale count. |
| 740 |
|
|
| 741 |
|
Args: |
| 742 |
|
cluster_uuid: The UUID of the cluster |
| 743 |
|
resource_name: Resource name |
| 744 |
|
kdu_instance: KDU instance name |
| 745 |
|
kdu_model: The name or path of an Helm Chart |
| 746 |
|
kwargs: Additional parameters |
| 747 |
|
|
| 748 |
|
Returns: |
| 749 |
|
Resource instance count |
| 750 |
|
""" |
| 751 |
|
|
| 752 |
0 |
self.log.debug( |
| 753 |
|
"getting scale count for {} in cluster {}".format(kdu_model, cluster_uuid) |
| 754 |
|
) |
| 755 |
|
|
| 756 |
|
# look for instance to obtain namespace |
| 757 |
0 |
instance_info = await self.get_instance_info(cluster_uuid, kdu_instance) |
| 758 |
0 |
if not instance_info: |
| 759 |
0 |
raise K8sException("kdu_instance {} not found".format(kdu_instance)) |
| 760 |
|
|
| 761 |
|
# init env, paths |
| 762 |
0 |
paths, _ = self._init_paths_env( |
| 763 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 764 |
|
) |
| 765 |
|
|
| 766 |
0 |
replicas = await self._get_replica_count_instance( |
| 767 |
|
kdu_instance=kdu_instance, |
| 768 |
|
namespace=instance_info["namespace"], |
| 769 |
|
kubeconfig=paths["kube_config"], |
| 770 |
|
resource_name=resource_name, |
| 771 |
|
) |
| 772 |
|
|
| 773 |
0 |
self.log.debug( |
| 774 |
|
f"Number of replicas of the KDU instance {kdu_instance} and resource {resource_name} obtained: {replicas}" |
| 775 |
|
) |
| 776 |
|
|
| 777 |
|
# Get default value if scale count is not found from provided values |
| 778 |
|
# Important note: this piece of code shall only be executed in the first scaling operation, |
| 779 |
|
# since it is expected that the _get_replica_count_instance is able to obtain the number of |
| 780 |
|
# replicas when a scale operation was already conducted previously for this KDU/resource! |
| 781 |
0 |
if replicas is None: |
| 782 |
0 |
repo_url = await self._find_repo( |
| 783 |
|
kdu_model=kdu_model, cluster_uuid=cluster_uuid |
| 784 |
|
) |
| 785 |
0 |
replicas, _ = await self._get_replica_count_url( |
| 786 |
|
kdu_model=kdu_model, repo_url=repo_url, resource_name=resource_name |
| 787 |
|
) |
| 788 |
|
|
| 789 |
0 |
self.log.debug( |
| 790 |
|
f"Number of replicas of the Helm Chart package for KDU instance {kdu_instance} and resource " |
| 791 |
|
f"{resource_name} obtained: {replicas}" |
| 792 |
|
) |
| 793 |
|
|
| 794 |
0 |
if replicas is None: |
| 795 |
0 |
msg = "Replica count not found. Cannot be scaled" |
| 796 |
0 |
self.log.error(msg) |
| 797 |
0 |
raise K8sException(msg) |
| 798 |
|
|
| 799 |
0 |
return int(replicas) |
| 800 |
|
|
| 801 |
1 |
async def rollback( |
| 802 |
|
self, cluster_uuid: str, kdu_instance: str, revision=0, db_dict: dict = None |
| 803 |
|
): |
| 804 |
1 |
self.log.debug( |
| 805 |
|
"rollback kdu_instance {} to revision {} from cluster {}".format( |
| 806 |
|
kdu_instance, revision, cluster_uuid |
| 807 |
|
) |
| 808 |
|
) |
| 809 |
|
|
| 810 |
|
# sync local dir |
| 811 |
1 |
self.fs.sync(from_path=cluster_uuid) |
| 812 |
|
|
| 813 |
|
# look for instance to obtain namespace |
| 814 |
1 |
instance_info = await self.get_instance_info(cluster_uuid, kdu_instance) |
| 815 |
1 |
if not instance_info: |
| 816 |
0 |
raise K8sException("kdu_instance {} not found".format(kdu_instance)) |
| 817 |
|
|
| 818 |
|
# init env, paths |
| 819 |
1 |
paths, env = self._init_paths_env( |
| 820 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 821 |
|
) |
| 822 |
|
|
| 823 |
|
# sync local dir |
| 824 |
1 |
self.fs.sync(from_path=cluster_uuid) |
| 825 |
|
|
| 826 |
1 |
command = self._get_rollback_command( |
| 827 |
|
kdu_instance, instance_info["namespace"], revision, paths["kube_config"] |
| 828 |
|
) |
| 829 |
|
|
| 830 |
1 |
self.log.debug("rolling_back: {}".format(command)) |
| 831 |
|
|
| 832 |
|
# exec helm in a task |
| 833 |
1 |
exec_task = asyncio.ensure_future( |
| 834 |
|
coro_or_future=self._local_async_exec( |
| 835 |
|
command=command, raise_exception_on_error=False, env=env |
| 836 |
|
) |
| 837 |
|
) |
| 838 |
|
# write status in another task |
| 839 |
1 |
status_task = asyncio.ensure_future( |
| 840 |
|
coro_or_future=self._store_status( |
| 841 |
|
cluster_id=cluster_uuid, |
| 842 |
|
kdu_instance=kdu_instance, |
| 843 |
|
namespace=instance_info["namespace"], |
| 844 |
|
db_dict=db_dict, |
| 845 |
|
operation="rollback", |
| 846 |
|
) |
| 847 |
|
) |
| 848 |
|
|
| 849 |
|
# wait for execution task |
| 850 |
1 |
await asyncio.wait([exec_task]) |
| 851 |
|
|
| 852 |
|
# cancel status task |
| 853 |
1 |
status_task.cancel() |
| 854 |
|
|
| 855 |
1 |
output, rc = exec_task.result() |
| 856 |
|
|
| 857 |
|
# write final status |
| 858 |
1 |
await self._store_status( |
| 859 |
|
cluster_id=cluster_uuid, |
| 860 |
|
kdu_instance=kdu_instance, |
| 861 |
|
namespace=instance_info["namespace"], |
| 862 |
|
db_dict=db_dict, |
| 863 |
|
operation="rollback", |
| 864 |
|
) |
| 865 |
|
|
| 866 |
1 |
if rc != 0: |
| 867 |
0 |
msg = "Error executing command: {}\nOutput: {}".format(command, output) |
| 868 |
0 |
self.log.error(msg) |
| 869 |
0 |
raise K8sException(msg) |
| 870 |
|
|
| 871 |
|
# sync fs |
| 872 |
1 |
self.fs.reverse_sync(from_path=cluster_uuid) |
| 873 |
|
|
| 874 |
|
# return new revision number |
| 875 |
1 |
instance = await self.get_instance_info( |
| 876 |
|
cluster_uuid=cluster_uuid, kdu_instance=kdu_instance |
| 877 |
|
) |
| 878 |
1 |
if instance: |
| 879 |
1 |
revision = int(instance.get("revision")) |
| 880 |
1 |
self.log.debug("New revision: {}".format(revision)) |
| 881 |
1 |
return revision |
| 882 |
|
else: |
| 883 |
0 |
return 0 |
| 884 |
|
|
| 885 |
1 |
async def uninstall(self, cluster_uuid: str, kdu_instance: str, **kwargs): |
| 886 |
|
""" |
| 887 |
|
Removes an existing KDU instance. It would implicitly use the `delete` or 'uninstall' call |
| 888 |
|
(this call should happen after all _terminate-config-primitive_ of the VNF |
| 889 |
|
are invoked). |
| 890 |
|
|
| 891 |
|
:param cluster_uuid: UUID of a K8s cluster known by OSM, or namespace:cluster_id |
| 892 |
|
:param kdu_instance: unique name for the KDU instance to be deleted |
| 893 |
|
:param kwargs: Additional parameters (None yet) |
| 894 |
|
:return: True if successful |
| 895 |
|
""" |
| 896 |
|
|
| 897 |
1 |
self.log.debug( |
| 898 |
|
"uninstall kdu_instance {} from cluster {}".format( |
| 899 |
|
kdu_instance, cluster_uuid |
| 900 |
|
) |
| 901 |
|
) |
| 902 |
|
|
| 903 |
|
# sync local dir |
| 904 |
1 |
self.fs.sync(from_path=cluster_uuid) |
| 905 |
|
|
| 906 |
|
# look for instance to obtain namespace |
| 907 |
1 |
instance_info = await self.get_instance_info(cluster_uuid, kdu_instance) |
| 908 |
1 |
if not instance_info: |
| 909 |
0 |
self.log.warning(("kdu_instance {} not found".format(kdu_instance))) |
| 910 |
0 |
return True |
| 911 |
|
# init env, paths |
| 912 |
1 |
paths, env = self._init_paths_env( |
| 913 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 914 |
|
) |
| 915 |
|
|
| 916 |
|
# sync local dir |
| 917 |
1 |
self.fs.sync(from_path=cluster_uuid) |
| 918 |
|
|
| 919 |
1 |
command = self._get_uninstall_command( |
| 920 |
|
kdu_instance, instance_info["namespace"], paths["kube_config"] |
| 921 |
|
) |
| 922 |
1 |
output, _rc = await self._local_async_exec( |
| 923 |
|
command=command, raise_exception_on_error=True, env=env |
| 924 |
|
) |
| 925 |
|
|
| 926 |
|
# sync fs |
| 927 |
1 |
self.fs.reverse_sync(from_path=cluster_uuid) |
| 928 |
|
|
| 929 |
1 |
return self._output_to_table(output) |
| 930 |
|
|
| 931 |
1 |
async def instances_list(self, cluster_uuid: str) -> list: |
| 932 |
|
""" |
| 933 |
|
returns a list of deployed releases in a cluster |
| 934 |
|
|
| 935 |
|
:param cluster_uuid: the 'cluster' or 'namespace:cluster' |
| 936 |
|
:return: |
| 937 |
|
""" |
| 938 |
|
|
| 939 |
1 |
self.log.debug("list releases for cluster {}".format(cluster_uuid)) |
| 940 |
|
|
| 941 |
|
# sync local dir |
| 942 |
1 |
self.fs.sync(from_path=cluster_uuid) |
| 943 |
|
|
| 944 |
|
# execute internal command |
| 945 |
1 |
result = await self._instances_list(cluster_uuid) |
| 946 |
|
|
| 947 |
|
# sync fs |
| 948 |
1 |
self.fs.reverse_sync(from_path=cluster_uuid) |
| 949 |
|
|
| 950 |
1 |
return result |
| 951 |
|
|
| 952 |
1 |
async def get_instance_info(self, cluster_uuid: str, kdu_instance: str): |
| 953 |
0 |
instances = await self.instances_list(cluster_uuid=cluster_uuid) |
| 954 |
0 |
for instance in instances: |
| 955 |
0 |
if instance.get("name") == kdu_instance: |
| 956 |
0 |
return instance |
| 957 |
0 |
self.log.debug("Instance {} not found".format(kdu_instance)) |
| 958 |
0 |
return None |
| 959 |
|
|
| 960 |
1 |
async def upgrade_charm( |
| 961 |
|
self, |
| 962 |
|
ee_id: str = None, |
| 963 |
|
path: str = None, |
| 964 |
|
charm_id: str = None, |
| 965 |
|
charm_type: str = None, |
| 966 |
|
timeout: float = None, |
| 967 |
|
) -> str: |
| 968 |
|
"""This method upgrade charms in VNFs |
| 969 |
|
|
| 970 |
|
Args: |
| 971 |
|
ee_id: Execution environment id |
| 972 |
|
path: Local path to the charm |
| 973 |
|
charm_id: charm-id |
| 974 |
|
charm_type: Charm type can be lxc-proxy-charm, native-charm or k8s-proxy-charm |
| 975 |
|
timeout: (Float) Timeout for the ns update operation |
| 976 |
|
|
| 977 |
|
Returns: |
| 978 |
|
The output of the update operation if status equals to "completed" |
| 979 |
|
""" |
| 980 |
0 |
raise K8sException("KDUs deployed with Helm do not support charm upgrade") |
| 981 |
|
|
| 982 |
1 |
async def exec_primitive( |
| 983 |
|
self, |
| 984 |
|
cluster_uuid: str = None, |
| 985 |
|
kdu_instance: str = None, |
| 986 |
|
primitive_name: str = None, |
| 987 |
|
timeout: float = 300, |
| 988 |
|
params: dict = None, |
| 989 |
|
db_dict: dict = None, |
| 990 |
|
**kwargs, |
| 991 |
|
) -> str: |
| 992 |
|
"""Exec primitive (Juju action) |
| 993 |
|
|
| 994 |
|
:param cluster_uuid: The UUID of the cluster or namespace:cluster |
| 995 |
|
:param kdu_instance: The unique name of the KDU instance |
| 996 |
|
:param primitive_name: Name of action that will be executed |
| 997 |
|
:param timeout: Timeout for action execution |
| 998 |
|
:param params: Dictionary of all the parameters needed for the action |
| 999 |
|
:db_dict: Dictionary for any additional data |
| 1000 |
|
:param kwargs: Additional parameters (None yet) |
| 1001 |
|
|
| 1002 |
|
:return: Returns the output of the action |
| 1003 |
|
""" |
| 1004 |
0 |
raise K8sException( |
| 1005 |
|
"KDUs deployed with Helm don't support actions " |
| 1006 |
|
"different from rollback, upgrade and status" |
| 1007 |
|
) |
| 1008 |
|
|
| 1009 |
1 |
async def get_services( |
| 1010 |
|
self, cluster_uuid: str, kdu_instance: str, namespace: str |
| 1011 |
|
) -> list: |
| 1012 |
|
""" |
| 1013 |
|
Returns a list of services defined for the specified kdu instance. |
| 1014 |
|
|
| 1015 |
|
:param cluster_uuid: UUID of a K8s cluster known by OSM |
| 1016 |
|
:param kdu_instance: unique name for the KDU instance |
| 1017 |
|
:param namespace: K8s namespace used by the KDU instance |
| 1018 |
|
:return: If successful, it will return a list of services, Each service |
| 1019 |
|
can have the following data: |
| 1020 |
|
- `name` of the service |
| 1021 |
|
- `type` type of service in the k8 cluster |
| 1022 |
|
- `ports` List of ports offered by the service, for each port includes at least |
| 1023 |
|
name, port, protocol |
| 1024 |
|
- `cluster_ip` Internal ip to be used inside k8s cluster |
| 1025 |
|
- `external_ip` List of external ips (in case they are available) |
| 1026 |
|
""" |
| 1027 |
|
|
| 1028 |
1 |
self.log.debug( |
| 1029 |
|
"get_services: cluster_uuid: {}, kdu_instance: {}".format( |
| 1030 |
|
cluster_uuid, kdu_instance |
| 1031 |
|
) |
| 1032 |
|
) |
| 1033 |
|
|
| 1034 |
|
# init env, paths |
| 1035 |
1 |
paths, env = self._init_paths_env( |
| 1036 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 1037 |
|
) |
| 1038 |
|
|
| 1039 |
|
# sync local dir |
| 1040 |
1 |
self.fs.sync(from_path=cluster_uuid) |
| 1041 |
|
|
| 1042 |
|
# get list of services names for kdu |
| 1043 |
1 |
service_names = await self._get_services( |
| 1044 |
|
cluster_uuid, kdu_instance, namespace, paths["kube_config"] |
| 1045 |
|
) |
| 1046 |
|
|
| 1047 |
1 |
service_list = [] |
| 1048 |
1 |
for service in service_names: |
| 1049 |
1 |
service = await self._get_service(cluster_uuid, service, namespace) |
| 1050 |
1 |
service_list.append(service) |
| 1051 |
|
|
| 1052 |
|
# sync fs |
| 1053 |
1 |
self.fs.reverse_sync(from_path=cluster_uuid) |
| 1054 |
|
|
| 1055 |
1 |
return service_list |
| 1056 |
|
|
| 1057 |
1 |
async def get_service( |
| 1058 |
|
self, cluster_uuid: str, service_name: str, namespace: str |
| 1059 |
|
) -> object: |
| 1060 |
1 |
self.log.debug( |
| 1061 |
|
"get service, service_name: {}, namespace: {}, cluster_uuid: {}".format( |
| 1062 |
|
service_name, namespace, cluster_uuid |
| 1063 |
|
) |
| 1064 |
|
) |
| 1065 |
|
|
| 1066 |
|
# sync local dir |
| 1067 |
1 |
self.fs.sync(from_path=cluster_uuid) |
| 1068 |
|
|
| 1069 |
1 |
service = await self._get_service(cluster_uuid, service_name, namespace) |
| 1070 |
|
|
| 1071 |
|
# sync fs |
| 1072 |
1 |
self.fs.reverse_sync(from_path=cluster_uuid) |
| 1073 |
|
|
| 1074 |
1 |
return service |
| 1075 |
|
|
| 1076 |
1 |
async def status_kdu( |
| 1077 |
|
self, cluster_uuid: str, kdu_instance: str, yaml_format: str = False, **kwargs |
| 1078 |
|
) -> Union[str, dict]: |
| 1079 |
|
""" |
| 1080 |
|
This call would retrieve tha current state of a given KDU instance. It would be |
| 1081 |
|
would allow to retrieve the _composition_ (i.e. K8s objects) and _specific |
| 1082 |
|
values_ of the configuration parameters applied to a given instance. This call |
| 1083 |
|
would be based on the `status` call. |
| 1084 |
|
|
| 1085 |
|
:param cluster_uuid: UUID of a K8s cluster known by OSM |
| 1086 |
|
:param kdu_instance: unique name for the KDU instance |
| 1087 |
|
:param kwargs: Additional parameters (None yet) |
| 1088 |
|
:param yaml_format: if the return shall be returned as an YAML string or as a |
| 1089 |
|
dictionary |
| 1090 |
|
:return: If successful, it will return the following vector of arguments: |
| 1091 |
|
- K8s `namespace` in the cluster where the KDU lives |
| 1092 |
|
- `state` of the KDU instance. It can be: |
| 1093 |
|
- UNKNOWN |
| 1094 |
|
- DEPLOYED |
| 1095 |
|
- DELETED |
| 1096 |
|
- SUPERSEDED |
| 1097 |
|
- FAILED or |
| 1098 |
|
- DELETING |
| 1099 |
|
- List of `resources` (objects) that this release consists of, sorted by kind, |
| 1100 |
|
and the status of those resources |
| 1101 |
|
- Last `deployment_time`. |
| 1102 |
|
|
| 1103 |
|
""" |
| 1104 |
0 |
self.log.debug( |
| 1105 |
|
"status_kdu: cluster_uuid: {}, kdu_instance: {}".format( |
| 1106 |
|
cluster_uuid, kdu_instance |
| 1107 |
|
) |
| 1108 |
|
) |
| 1109 |
|
|
| 1110 |
|
# sync local dir |
| 1111 |
0 |
self.fs.sync(from_path=cluster_uuid) |
| 1112 |
|
|
| 1113 |
|
# get instance: needed to obtain namespace |
| 1114 |
0 |
instances = await self._instances_list(cluster_id=cluster_uuid) |
| 1115 |
0 |
for instance in instances: |
| 1116 |
0 |
if instance.get("name") == kdu_instance: |
| 1117 |
0 |
break |
| 1118 |
|
else: |
| 1119 |
|
# instance does not exist |
| 1120 |
0 |
raise K8sException( |
| 1121 |
|
"Instance name: {} not found in cluster: {}".format( |
| 1122 |
|
kdu_instance, cluster_uuid |
| 1123 |
|
) |
| 1124 |
|
) |
| 1125 |
|
|
| 1126 |
0 |
status = await self._status_kdu( |
| 1127 |
|
cluster_id=cluster_uuid, |
| 1128 |
|
kdu_instance=kdu_instance, |
| 1129 |
|
namespace=instance["namespace"], |
| 1130 |
|
yaml_format=yaml_format, |
| 1131 |
|
show_error_log=True, |
| 1132 |
|
) |
| 1133 |
|
|
| 1134 |
|
# sync fs |
| 1135 |
0 |
self.fs.reverse_sync(from_path=cluster_uuid) |
| 1136 |
|
|
| 1137 |
0 |
return status |
| 1138 |
|
|
| 1139 |
1 |
async def get_values_kdu( |
| 1140 |
|
self, kdu_instance: str, namespace: str, kubeconfig: str |
| 1141 |
|
) -> str: |
| 1142 |
1 |
self.log.debug("get kdu_instance values {}".format(kdu_instance)) |
| 1143 |
|
|
| 1144 |
1 |
return await self._exec_get_command( |
| 1145 |
|
get_command="values", |
| 1146 |
|
kdu_instance=kdu_instance, |
| 1147 |
|
namespace=namespace, |
| 1148 |
|
kubeconfig=kubeconfig, |
| 1149 |
|
) |
| 1150 |
|
|
| 1151 |
1 |
async def values_kdu(self, kdu_model: str, repo_url: str = None) -> str: |
| 1152 |
|
"""Method to obtain the Helm Chart package's values |
| 1153 |
|
|
| 1154 |
|
Args: |
| 1155 |
|
kdu_model: The name or path of an Helm Chart |
| 1156 |
|
repo_url: Helm Chart repository url |
| 1157 |
|
|
| 1158 |
|
Returns: |
| 1159 |
|
str: the values of the Helm Chart package |
| 1160 |
|
""" |
| 1161 |
|
|
| 1162 |
1 |
self.log.debug( |
| 1163 |
|
"inspect kdu_model values {} from (optional) repo: {}".format( |
| 1164 |
|
kdu_model, repo_url |
| 1165 |
|
) |
| 1166 |
|
) |
| 1167 |
|
|
| 1168 |
1 |
return await self._exec_inspect_command( |
| 1169 |
|
inspect_command="values", kdu_model=kdu_model, repo_url=repo_url |
| 1170 |
|
) |
| 1171 |
|
|
| 1172 |
1 |
async def help_kdu(self, kdu_model: str, repo_url: str = None) -> str: |
| 1173 |
1 |
self.log.debug( |
| 1174 |
|
"inspect kdu_model {} readme.md from repo: {}".format(kdu_model, repo_url) |
| 1175 |
|
) |
| 1176 |
|
|
| 1177 |
1 |
return await self._exec_inspect_command( |
| 1178 |
|
inspect_command="readme", kdu_model=kdu_model, repo_url=repo_url |
| 1179 |
|
) |
| 1180 |
|
|
| 1181 |
1 |
async def synchronize_repos(self, cluster_uuid: str): |
| 1182 |
1 |
self.log.debug("synchronize repos for cluster helm-id: {}".format(cluster_uuid)) |
| 1183 |
1 |
try: |
| 1184 |
1 |
db_repo_ids = self._get_helm_chart_repos_ids(cluster_uuid) |
| 1185 |
1 |
db_repo_dict = self._get_db_repos_dict(db_repo_ids) |
| 1186 |
|
|
| 1187 |
1 |
local_repo_list = await self.repo_list(cluster_uuid) |
| 1188 |
1 |
local_repo_dict = {repo["name"]: repo["url"] for repo in local_repo_list} |
| 1189 |
|
|
| 1190 |
1 |
deleted_repo_list = [] |
| 1191 |
1 |
added_repo_dict = {} |
| 1192 |
|
|
| 1193 |
|
# iterate over the list of repos in the database that should be |
| 1194 |
|
# added if not present |
| 1195 |
1 |
for repo_name, db_repo in db_repo_dict.items(): |
| 1196 |
1 |
try: |
| 1197 |
|
# check if it is already present |
| 1198 |
1 |
curr_repo_url = local_repo_dict.get(db_repo["name"]) |
| 1199 |
1 |
repo_id = db_repo.get("_id") |
| 1200 |
1 |
if curr_repo_url != db_repo["url"]: |
| 1201 |
1 |
if curr_repo_url: |
| 1202 |
0 |
self.log.debug( |
| 1203 |
|
"repo {} url changed, delete and and again".format( |
| 1204 |
|
db_repo["url"] |
| 1205 |
|
) |
| 1206 |
|
) |
| 1207 |
0 |
await self.repo_remove(cluster_uuid, db_repo["name"]) |
| 1208 |
0 |
deleted_repo_list.append(repo_id) |
| 1209 |
|
|
| 1210 |
|
# add repo |
| 1211 |
1 |
self.log.debug("add repo {}".format(db_repo["name"])) |
| 1212 |
1 |
await self.repo_add( |
| 1213 |
|
cluster_uuid, |
| 1214 |
|
db_repo["name"], |
| 1215 |
|
db_repo["url"], |
| 1216 |
|
cert=db_repo.get("ca_cert"), |
| 1217 |
|
user=db_repo.get("user"), |
| 1218 |
|
password=db_repo.get("password"), |
| 1219 |
|
oci=db_repo.get("oci", False), |
| 1220 |
|
) |
| 1221 |
1 |
added_repo_dict[repo_id] = db_repo["name"] |
| 1222 |
0 |
except Exception as e: |
| 1223 |
0 |
raise K8sException( |
| 1224 |
|
"Error adding repo id: {}, err_msg: {} ".format( |
| 1225 |
|
repo_id, repr(e) |
| 1226 |
|
) |
| 1227 |
|
) |
| 1228 |
|
|
| 1229 |
|
# Delete repos that are present but not in nbi_list |
| 1230 |
1 |
for repo_name in local_repo_dict: |
| 1231 |
1 |
if not db_repo_dict.get(repo_name) and repo_name != "stable": |
| 1232 |
1 |
self.log.debug("delete repo {}".format(repo_name)) |
| 1233 |
1 |
try: |
| 1234 |
1 |
await self.repo_remove(cluster_uuid, repo_name) |
| 1235 |
1 |
deleted_repo_list.append(repo_name) |
| 1236 |
0 |
except Exception as e: |
| 1237 |
0 |
self.warning( |
| 1238 |
|
"Error deleting repo, name: {}, err_msg: {}".format( |
| 1239 |
|
repo_name, str(e) |
| 1240 |
|
) |
| 1241 |
|
) |
| 1242 |
|
|
| 1243 |
1 |
return deleted_repo_list, added_repo_dict |
| 1244 |
|
|
| 1245 |
0 |
except K8sException: |
| 1246 |
0 |
raise |
| 1247 |
0 |
except Exception as e: |
| 1248 |
|
# Do not raise errors synchronizing repos |
| 1249 |
0 |
self.log.error("Error synchronizing repos: {}".format(e)) |
| 1250 |
0 |
raise Exception("Error synchronizing repos: {}".format(e)) |
| 1251 |
|
|
| 1252 |
1 |
def _get_db_repos_dict(self, repo_ids: list): |
| 1253 |
1 |
db_repos_dict = {} |
| 1254 |
1 |
for repo_id in repo_ids: |
| 1255 |
1 |
db_repo = self.db.get_one("k8srepos", {"_id": repo_id}) |
| 1256 |
1 |
db_repos_dict[db_repo["name"]] = db_repo |
| 1257 |
1 |
return db_repos_dict |
| 1258 |
|
|
| 1259 |
1 |
""" |
| 1260 |
|
#################################################################################### |
| 1261 |
|
################################### TO BE IMPLEMENTED SUBCLASSES ################### |
| 1262 |
|
#################################################################################### |
| 1263 |
|
""" |
| 1264 |
|
|
| 1265 |
1 |
@abc.abstractmethod |
| 1266 |
1 |
def _init_paths_env(self, cluster_name: str, create_if_not_exist: bool = True): |
| 1267 |
|
""" |
| 1268 |
|
Creates and returns base cluster and kube dirs and returns them. |
| 1269 |
|
Also created helm3 dirs according to new directory specification, paths are |
| 1270 |
|
not returned but assigned to helm environment variables |
| 1271 |
|
|
| 1272 |
|
:param cluster_name: cluster_name |
| 1273 |
|
:return: Dictionary with config_paths and dictionary with helm environment variables |
| 1274 |
|
""" |
| 1275 |
|
|
| 1276 |
1 |
@abc.abstractmethod |
| 1277 |
1 |
async def _cluster_init(self, cluster_id, namespace, paths, env): |
| 1278 |
|
""" |
| 1279 |
|
Implements the helm version dependent cluster initialization |
| 1280 |
|
""" |
| 1281 |
|
|
| 1282 |
1 |
@abc.abstractmethod |
| 1283 |
1 |
async def _instances_list(self, cluster_id): |
| 1284 |
|
""" |
| 1285 |
|
Implements the helm version dependent helm instances list |
| 1286 |
|
""" |
| 1287 |
|
|
| 1288 |
1 |
@abc.abstractmethod |
| 1289 |
1 |
async def _get_services(self, cluster_id, kdu_instance, namespace, kubeconfig): |
| 1290 |
|
""" |
| 1291 |
|
Implements the helm version dependent method to obtain services from a helm instance |
| 1292 |
|
""" |
| 1293 |
|
|
| 1294 |
1 |
@abc.abstractmethod |
| 1295 |
1 |
async def _status_kdu( |
| 1296 |
|
self, |
| 1297 |
|
cluster_id: str, |
| 1298 |
|
kdu_instance: str, |
| 1299 |
|
namespace: str = None, |
| 1300 |
|
yaml_format: bool = False, |
| 1301 |
|
show_error_log: bool = False, |
| 1302 |
|
) -> Union[str, dict]: |
| 1303 |
|
""" |
| 1304 |
|
Implements the helm version dependent method to obtain status of a helm instance |
| 1305 |
|
""" |
| 1306 |
|
|
| 1307 |
1 |
@abc.abstractmethod |
| 1308 |
1 |
def _get_install_command( |
| 1309 |
|
self, |
| 1310 |
|
kdu_model, |
| 1311 |
|
kdu_instance, |
| 1312 |
|
namespace, |
| 1313 |
|
params_str, |
| 1314 |
|
version, |
| 1315 |
|
atomic, |
| 1316 |
|
timeout, |
| 1317 |
|
kubeconfig, |
| 1318 |
|
) -> str: |
| 1319 |
|
""" |
| 1320 |
|
Obtain command to be executed to delete the indicated instance |
| 1321 |
|
""" |
| 1322 |
|
|
| 1323 |
1 |
@abc.abstractmethod |
| 1324 |
1 |
def _get_upgrade_scale_command( |
| 1325 |
|
self, |
| 1326 |
|
kdu_model, |
| 1327 |
|
kdu_instance, |
| 1328 |
|
namespace, |
| 1329 |
|
count, |
| 1330 |
|
version, |
| 1331 |
|
atomic, |
| 1332 |
|
replicas, |
| 1333 |
|
timeout, |
| 1334 |
|
resource_name, |
| 1335 |
|
kubeconfig, |
| 1336 |
|
) -> str: |
| 1337 |
|
"""Generates the command to scale a Helm Chart release |
| 1338 |
|
|
| 1339 |
|
Args: |
| 1340 |
|
kdu_model (str): Kdu model name, corresponding to the Helm local location or repository |
| 1341 |
|
kdu_instance (str): KDU instance, corresponding to the Helm Chart release in question |
| 1342 |
|
namespace (str): Namespace where this KDU instance is deployed |
| 1343 |
|
scale (int): Scale count |
| 1344 |
|
version (str): Constraint with specific version of the Chart to use |
| 1345 |
|
atomic (bool): If set, upgrade process rolls back changes made in case of failed upgrade. |
| 1346 |
|
The --wait flag will be set automatically if --atomic is used |
| 1347 |
|
replica_str (str): The key under resource_name key where the scale count is stored |
| 1348 |
|
timeout (float): The time, in seconds, to wait |
| 1349 |
|
resource_name (str): The KDU's resource to scale |
| 1350 |
|
kubeconfig (str): Kubeconfig file path |
| 1351 |
|
|
| 1352 |
|
Returns: |
| 1353 |
|
str: command to scale a Helm Chart release |
| 1354 |
|
""" |
| 1355 |
|
|
| 1356 |
1 |
@abc.abstractmethod |
| 1357 |
1 |
def _get_upgrade_command( |
| 1358 |
|
self, |
| 1359 |
|
kdu_model, |
| 1360 |
|
kdu_instance, |
| 1361 |
|
namespace, |
| 1362 |
|
params_str, |
| 1363 |
|
version, |
| 1364 |
|
atomic, |
| 1365 |
|
timeout, |
| 1366 |
|
kubeconfig, |
| 1367 |
|
force, |
| 1368 |
|
) -> str: |
| 1369 |
|
"""Generates the command to upgrade a Helm Chart release |
| 1370 |
|
|
| 1371 |
|
Args: |
| 1372 |
|
kdu_model (str): Kdu model name, corresponding to the Helm local location or repository |
| 1373 |
|
kdu_instance (str): KDU instance, corresponding to the Helm Chart release in question |
| 1374 |
|
namespace (str): Namespace where this KDU instance is deployed |
| 1375 |
|
params_str (str): Params used to upgrade the Helm Chart release |
| 1376 |
|
version (str): Constraint with specific version of the Chart to use |
| 1377 |
|
atomic (bool): If set, upgrade process rolls back changes made in case of failed upgrade. |
| 1378 |
|
The --wait flag will be set automatically if --atomic is used |
| 1379 |
|
timeout (float): The time, in seconds, to wait |
| 1380 |
|
kubeconfig (str): Kubeconfig file path |
| 1381 |
|
force (bool): If set, helm forces resource updates through a replacement strategy. This may recreate pods. |
| 1382 |
|
Returns: |
| 1383 |
|
str: command to upgrade a Helm Chart release |
| 1384 |
|
""" |
| 1385 |
|
|
| 1386 |
1 |
@abc.abstractmethod |
| 1387 |
1 |
def _get_rollback_command( |
| 1388 |
|
self, kdu_instance, namespace, revision, kubeconfig |
| 1389 |
|
) -> str: |
| 1390 |
|
""" |
| 1391 |
|
Obtain command to be executed to rollback the indicated instance |
| 1392 |
|
""" |
| 1393 |
|
|
| 1394 |
1 |
@abc.abstractmethod |
| 1395 |
1 |
def _get_uninstall_command( |
| 1396 |
|
self, kdu_instance: str, namespace: str, kubeconfig: str |
| 1397 |
|
) -> str: |
| 1398 |
|
""" |
| 1399 |
|
Obtain command to be executed to delete the indicated instance |
| 1400 |
|
""" |
| 1401 |
|
|
| 1402 |
1 |
@abc.abstractmethod |
| 1403 |
1 |
def _get_inspect_command( |
| 1404 |
|
self, show_command: str, kdu_model: str, repo_str: str, version: str |
| 1405 |
|
): |
| 1406 |
|
"""Generates the command to obtain the information about an Helm Chart package |
| 1407 |
|
(´helm show ...´ command) |
| 1408 |
|
|
| 1409 |
|
Args: |
| 1410 |
|
show_command: the second part of the command (`helm show <show_command>`) |
| 1411 |
|
kdu_model: The name or path of an Helm Chart |
| 1412 |
|
repo_url: Helm Chart repository url |
| 1413 |
|
version: constraint with specific version of the Chart to use |
| 1414 |
|
|
| 1415 |
|
Returns: |
| 1416 |
|
str: the generated Helm Chart command |
| 1417 |
|
""" |
| 1418 |
|
|
| 1419 |
1 |
@abc.abstractmethod |
| 1420 |
1 |
def _get_get_command( |
| 1421 |
|
self, get_command: str, kdu_instance: str, namespace: str, kubeconfig: str |
| 1422 |
|
): |
| 1423 |
|
"""Obtain command to be executed to get information about the kdu instance.""" |
| 1424 |
|
|
| 1425 |
1 |
@abc.abstractmethod |
| 1426 |
1 |
async def _uninstall_sw(self, cluster_id: str, namespace: str): |
| 1427 |
|
""" |
| 1428 |
|
Method call to uninstall cluster software for helm. This method is dependent |
| 1429 |
|
of helm version |
| 1430 |
|
For Helm v2 it will be called when Tiller must be uninstalled |
| 1431 |
|
For Helm v3 it does nothing and does not need to be callled |
| 1432 |
|
""" |
| 1433 |
|
|
| 1434 |
1 |
@abc.abstractmethod |
| 1435 |
1 |
def _get_helm_chart_repos_ids(self, cluster_uuid) -> list: |
| 1436 |
|
""" |
| 1437 |
|
Obtains the cluster repos identifiers |
| 1438 |
|
""" |
| 1439 |
|
|
| 1440 |
1 |
""" |
| 1441 |
|
#################################################################################### |
| 1442 |
|
################################### P R I V A T E ################################## |
| 1443 |
|
#################################################################################### |
| 1444 |
|
""" |
| 1445 |
|
|
| 1446 |
1 |
@staticmethod |
| 1447 |
1 |
def _check_file_exists(filename: str, exception_if_not_exists: bool = False): |
| 1448 |
0 |
if os.path.exists(filename): |
| 1449 |
0 |
return True |
| 1450 |
|
else: |
| 1451 |
0 |
msg = "File {} does not exist".format(filename) |
| 1452 |
0 |
if exception_if_not_exists: |
| 1453 |
0 |
raise K8sException(msg) |
| 1454 |
|
|
| 1455 |
1 |
@staticmethod |
| 1456 |
1 |
def _remove_multiple_spaces(strobj): |
| 1457 |
0 |
strobj = strobj.strip() |
| 1458 |
0 |
while " " in strobj: |
| 1459 |
0 |
strobj = strobj.replace(" ", " ") |
| 1460 |
0 |
return strobj |
| 1461 |
|
|
| 1462 |
1 |
@staticmethod |
| 1463 |
1 |
def _output_to_lines(output: str) -> list: |
| 1464 |
0 |
output_lines = list() |
| 1465 |
0 |
lines = output.splitlines(keepends=False) |
| 1466 |
0 |
for line in lines: |
| 1467 |
0 |
line = line.strip() |
| 1468 |
0 |
if len(line) > 0: |
| 1469 |
0 |
output_lines.append(line) |
| 1470 |
0 |
return output_lines |
| 1471 |
|
|
| 1472 |
1 |
@staticmethod |
| 1473 |
1 |
def _output_to_table(output: str) -> list: |
| 1474 |
1 |
output_table = list() |
| 1475 |
1 |
lines = output.splitlines(keepends=False) |
| 1476 |
1 |
for line in lines: |
| 1477 |
0 |
line = line.replace("\t", " ") |
| 1478 |
0 |
line_list = list() |
| 1479 |
0 |
output_table.append(line_list) |
| 1480 |
0 |
cells = line.split(sep=" ") |
| 1481 |
0 |
for cell in cells: |
| 1482 |
0 |
cell = cell.strip() |
| 1483 |
0 |
if len(cell) > 0: |
| 1484 |
0 |
line_list.append(cell) |
| 1485 |
1 |
return output_table |
| 1486 |
|
|
| 1487 |
1 |
@staticmethod |
| 1488 |
1 |
def _parse_services(output: str) -> list: |
| 1489 |
0 |
lines = output.splitlines(keepends=False) |
| 1490 |
0 |
services = [] |
| 1491 |
0 |
for line in lines: |
| 1492 |
0 |
line = line.replace("\t", " ") |
| 1493 |
0 |
cells = line.split(sep=" ") |
| 1494 |
0 |
if len(cells) > 0 and cells[0].startswith("service/"): |
| 1495 |
0 |
elems = cells[0].split(sep="/") |
| 1496 |
0 |
if len(elems) > 1: |
| 1497 |
0 |
services.append(elems[1]) |
| 1498 |
0 |
return services |
| 1499 |
|
|
| 1500 |
1 |
@staticmethod |
| 1501 |
1 |
def _get_deep(dictionary: dict, members: tuple): |
| 1502 |
1 |
target = dictionary |
| 1503 |
1 |
value = None |
| 1504 |
1 |
try: |
| 1505 |
1 |
for m in members: |
| 1506 |
1 |
value = target.get(m) |
| 1507 |
0 |
if not value: |
| 1508 |
0 |
return None |
| 1509 |
|
else: |
| 1510 |
0 |
target = value |
| 1511 |
1 |
except Exception: |
| 1512 |
1 |
pass |
| 1513 |
1 |
return value |
| 1514 |
|
|
| 1515 |
|
# find key:value in several lines |
| 1516 |
1 |
@staticmethod |
| 1517 |
1 |
def _find_in_lines(p_lines: list, p_key: str) -> str: |
| 1518 |
0 |
for line in p_lines: |
| 1519 |
0 |
try: |
| 1520 |
0 |
if line.startswith(p_key + ":"): |
| 1521 |
0 |
parts = line.split(":") |
| 1522 |
0 |
the_value = parts[1].strip() |
| 1523 |
0 |
return the_value |
| 1524 |
0 |
except Exception: |
| 1525 |
|
# ignore it |
| 1526 |
0 |
pass |
| 1527 |
0 |
return None |
| 1528 |
|
|
| 1529 |
1 |
@staticmethod |
| 1530 |
1 |
def _lower_keys_list(input_list: list): |
| 1531 |
|
""" |
| 1532 |
|
Transform the keys in a list of dictionaries to lower case and returns a new list |
| 1533 |
|
of dictionaries |
| 1534 |
|
""" |
| 1535 |
0 |
new_list = [] |
| 1536 |
0 |
if input_list: |
| 1537 |
0 |
for dictionary in input_list: |
| 1538 |
0 |
new_dict = dict((k.lower(), v) for k, v in dictionary.items()) |
| 1539 |
0 |
new_list.append(new_dict) |
| 1540 |
0 |
return new_list |
| 1541 |
|
|
| 1542 |
1 |
async def _local_async_exec( |
| 1543 |
|
self, |
| 1544 |
|
command: str, |
| 1545 |
|
raise_exception_on_error: bool = False, |
| 1546 |
|
show_error_log: bool = True, |
| 1547 |
|
encode_utf8: bool = False, |
| 1548 |
|
env: dict = None, |
| 1549 |
|
) -> tuple[str, int]: |
| 1550 |
0 |
command = K8sHelmBaseConnector._remove_multiple_spaces(command) |
| 1551 |
0 |
self.log.debug( |
| 1552 |
|
"Executing async local command: {}, env: {}".format(command, env) |
| 1553 |
|
) |
| 1554 |
|
|
| 1555 |
|
# split command |
| 1556 |
0 |
command = shlex.split(command) |
| 1557 |
|
|
| 1558 |
0 |
environ = os.environ.copy() |
| 1559 |
0 |
if env: |
| 1560 |
0 |
environ.update(env) |
| 1561 |
|
|
| 1562 |
0 |
try: |
| 1563 |
0 |
async with self.cmd_lock: |
| 1564 |
0 |
process = await asyncio.create_subprocess_exec( |
| 1565 |
|
*command, |
| 1566 |
|
stdout=asyncio.subprocess.PIPE, |
| 1567 |
|
stderr=asyncio.subprocess.PIPE, |
| 1568 |
|
env=environ, |
| 1569 |
|
) |
| 1570 |
|
|
| 1571 |
|
# wait for command terminate |
| 1572 |
0 |
stdout, stderr = await process.communicate() |
| 1573 |
|
|
| 1574 |
0 |
return_code = process.returncode |
| 1575 |
|
|
| 1576 |
0 |
output = "" |
| 1577 |
0 |
if stdout: |
| 1578 |
0 |
output = stdout.decode("utf-8").strip() |
| 1579 |
|
# output = stdout.decode() |
| 1580 |
0 |
if stderr: |
| 1581 |
0 |
output = stderr.decode("utf-8").strip() |
| 1582 |
|
# output = stderr.decode() |
| 1583 |
|
|
| 1584 |
0 |
if return_code != 0 and show_error_log: |
| 1585 |
0 |
self.log.debug( |
| 1586 |
|
"Return code (FAIL): {}\nOutput:\n{}".format(return_code, output) |
| 1587 |
|
) |
| 1588 |
|
else: |
| 1589 |
0 |
self.log.debug("Return code: {}".format(return_code)) |
| 1590 |
|
|
| 1591 |
0 |
if raise_exception_on_error and return_code != 0: |
| 1592 |
0 |
raise K8sException(output) |
| 1593 |
|
|
| 1594 |
0 |
if encode_utf8: |
| 1595 |
0 |
output = output.encode("utf-8").strip() |
| 1596 |
0 |
output = str(output).replace("\\n", "\n") |
| 1597 |
|
|
| 1598 |
0 |
return output, return_code |
| 1599 |
|
|
| 1600 |
0 |
except asyncio.CancelledError: |
| 1601 |
|
# first, kill the process if it is still running |
| 1602 |
0 |
if process.returncode is None: |
| 1603 |
0 |
process.kill() |
| 1604 |
0 |
raise |
| 1605 |
0 |
except K8sException: |
| 1606 |
0 |
raise |
| 1607 |
0 |
except Exception as e: |
| 1608 |
0 |
msg = "Exception executing command: {} -> {}".format(command, e) |
| 1609 |
0 |
self.log.error(msg) |
| 1610 |
0 |
if raise_exception_on_error: |
| 1611 |
0 |
raise K8sException(e) from e |
| 1612 |
|
else: |
| 1613 |
0 |
return "", -1 |
| 1614 |
|
|
| 1615 |
1 |
async def _local_async_exec_pipe( |
| 1616 |
|
self, |
| 1617 |
|
command1: str, |
| 1618 |
|
command2: str, |
| 1619 |
|
raise_exception_on_error: bool = True, |
| 1620 |
|
show_error_log: bool = True, |
| 1621 |
|
encode_utf8: bool = False, |
| 1622 |
|
env: dict = None, |
| 1623 |
|
): |
| 1624 |
0 |
command1 = K8sHelmBaseConnector._remove_multiple_spaces(command1) |
| 1625 |
0 |
command2 = K8sHelmBaseConnector._remove_multiple_spaces(command2) |
| 1626 |
0 |
command = "{} | {}".format(command1, command2) |
| 1627 |
0 |
self.log.debug( |
| 1628 |
|
"Executing async local command: {}, env: {}".format(command, env) |
| 1629 |
|
) |
| 1630 |
|
|
| 1631 |
|
# split command |
| 1632 |
0 |
command1 = shlex.split(command1) |
| 1633 |
0 |
command2 = shlex.split(command2) |
| 1634 |
|
|
| 1635 |
0 |
environ = os.environ.copy() |
| 1636 |
0 |
if env: |
| 1637 |
0 |
environ.update(env) |
| 1638 |
|
|
| 1639 |
0 |
try: |
| 1640 |
0 |
async with self.cmd_lock: |
| 1641 |
0 |
read, write = os.pipe() |
| 1642 |
0 |
process_1 = await asyncio.create_subprocess_exec( |
| 1643 |
|
*command1, stdout=write, env=environ |
| 1644 |
|
) |
| 1645 |
0 |
os.close(write) |
| 1646 |
0 |
process_2 = await asyncio.create_subprocess_exec( |
| 1647 |
|
*command2, stdin=read, stdout=asyncio.subprocess.PIPE, env=environ |
| 1648 |
|
) |
| 1649 |
0 |
os.close(read) |
| 1650 |
0 |
stdout, stderr = await process_2.communicate() |
| 1651 |
|
|
| 1652 |
0 |
return_code = process_2.returncode |
| 1653 |
|
|
| 1654 |
0 |
output = "" |
| 1655 |
0 |
if stdout: |
| 1656 |
0 |
output = stdout.decode("utf-8").strip() |
| 1657 |
|
# output = stdout.decode() |
| 1658 |
0 |
if stderr: |
| 1659 |
0 |
output = stderr.decode("utf-8").strip() |
| 1660 |
|
# output = stderr.decode() |
| 1661 |
|
|
| 1662 |
0 |
if return_code != 0 and show_error_log: |
| 1663 |
0 |
self.log.debug( |
| 1664 |
|
"Return code (FAIL): {}\nOutput:\n{}".format(return_code, output) |
| 1665 |
|
) |
| 1666 |
|
else: |
| 1667 |
0 |
self.log.debug("Return code: {}".format(return_code)) |
| 1668 |
|
|
| 1669 |
0 |
if raise_exception_on_error and return_code != 0: |
| 1670 |
0 |
raise K8sException(output) |
| 1671 |
|
|
| 1672 |
0 |
if encode_utf8: |
| 1673 |
0 |
output = output.encode("utf-8").strip() |
| 1674 |
0 |
output = str(output).replace("\\n", "\n") |
| 1675 |
|
|
| 1676 |
0 |
return output, return_code |
| 1677 |
0 |
except asyncio.CancelledError: |
| 1678 |
|
# first, kill the processes if they are still running |
| 1679 |
0 |
for process in (process_1, process_2): |
| 1680 |
0 |
if process.returncode is None: |
| 1681 |
0 |
process.kill() |
| 1682 |
0 |
raise |
| 1683 |
0 |
except K8sException: |
| 1684 |
0 |
raise |
| 1685 |
0 |
except Exception as e: |
| 1686 |
0 |
msg = "Exception executing command: {} -> {}".format(command, e) |
| 1687 |
0 |
self.log.error(msg) |
| 1688 |
0 |
if raise_exception_on_error: |
| 1689 |
0 |
raise K8sException(e) from e |
| 1690 |
|
else: |
| 1691 |
0 |
return "", -1 |
| 1692 |
|
|
| 1693 |
1 |
async def _get_service(self, cluster_id, service_name, namespace): |
| 1694 |
|
""" |
| 1695 |
|
Obtains the data of the specified service in the k8cluster. |
| 1696 |
|
|
| 1697 |
|
:param cluster_id: id of a K8s cluster known by OSM |
| 1698 |
|
:param service_name: name of the K8s service in the specified namespace |
| 1699 |
|
:param namespace: K8s namespace used by the KDU instance |
| 1700 |
|
:return: If successful, it will return a service with the following data: |
| 1701 |
|
- `name` of the service |
| 1702 |
|
- `type` type of service in the k8 cluster |
| 1703 |
|
- `ports` List of ports offered by the service, for each port includes at least |
| 1704 |
|
name, port, protocol |
| 1705 |
|
- `cluster_ip` Internal ip to be used inside k8s cluster |
| 1706 |
|
- `external_ip` List of external ips (in case they are available) |
| 1707 |
|
""" |
| 1708 |
|
|
| 1709 |
|
# init config, env |
| 1710 |
1 |
paths, env = self._init_paths_env( |
| 1711 |
|
cluster_name=cluster_id, create_if_not_exist=True |
| 1712 |
|
) |
| 1713 |
|
|
| 1714 |
1 |
command = "{} --kubeconfig={} --namespace={} get service {} -o=yaml".format( |
| 1715 |
|
self.kubectl_command, |
| 1716 |
|
paths["kube_config"], |
| 1717 |
|
quote(namespace), |
| 1718 |
|
quote(service_name), |
| 1719 |
|
) |
| 1720 |
|
|
| 1721 |
1 |
output, _rc = await self._local_async_exec( |
| 1722 |
|
command=command, raise_exception_on_error=True, env=env |
| 1723 |
|
) |
| 1724 |
|
|
| 1725 |
1 |
data = yaml.load(output, Loader=yaml.SafeLoader) |
| 1726 |
|
|
| 1727 |
1 |
service = { |
| 1728 |
|
"name": service_name, |
| 1729 |
|
"type": self._get_deep(data, ("spec", "type")), |
| 1730 |
|
"ports": self._get_deep(data, ("spec", "ports")), |
| 1731 |
|
"cluster_ip": self._get_deep(data, ("spec", "clusterIP")), |
| 1732 |
|
} |
| 1733 |
1 |
if service["type"] == "LoadBalancer": |
| 1734 |
0 |
ip_map_list = self._get_deep(data, ("status", "loadBalancer", "ingress")) |
| 1735 |
0 |
ip_list = [elem["ip"] for elem in ip_map_list] |
| 1736 |
0 |
service["external_ip"] = ip_list |
| 1737 |
|
|
| 1738 |
1 |
return service |
| 1739 |
|
|
| 1740 |
1 |
async def _exec_get_command( |
| 1741 |
|
self, get_command: str, kdu_instance: str, namespace: str, kubeconfig: str |
| 1742 |
|
): |
| 1743 |
|
"""Obtains information about the kdu instance.""" |
| 1744 |
|
|
| 1745 |
1 |
full_command = self._get_get_command( |
| 1746 |
|
get_command, kdu_instance, namespace, kubeconfig |
| 1747 |
|
) |
| 1748 |
|
|
| 1749 |
1 |
output, _rc = await self._local_async_exec(command=full_command) |
| 1750 |
|
|
| 1751 |
1 |
return output |
| 1752 |
|
|
| 1753 |
1 |
async def _exec_inspect_command( |
| 1754 |
|
self, inspect_command: str, kdu_model: str, repo_url: str = None |
| 1755 |
|
): |
| 1756 |
|
"""Obtains information about an Helm Chart package (´helm show´ command) |
| 1757 |
|
|
| 1758 |
|
Args: |
| 1759 |
|
inspect_command: the Helm sub command (`helm show <inspect_command> ...`) |
| 1760 |
|
kdu_model: The name or path of an Helm Chart |
| 1761 |
|
repo_url: Helm Chart repository url |
| 1762 |
|
|
| 1763 |
|
Returns: |
| 1764 |
|
str: the requested info about the Helm Chart package |
| 1765 |
|
""" |
| 1766 |
|
|
| 1767 |
1 |
repo_str = "" |
| 1768 |
1 |
if repo_url: |
| 1769 |
1 |
repo_str = " --repo {}".format(quote(repo_url)) |
| 1770 |
|
|
| 1771 |
|
# Obtain the Chart's name and store it in the var kdu_model |
| 1772 |
1 |
kdu_model, _ = self._split_repo(kdu_model=kdu_model) |
| 1773 |
|
|
| 1774 |
1 |
kdu_model, version = self._split_version(kdu_model) |
| 1775 |
1 |
if version: |
| 1776 |
1 |
version_str = "--version {}".format(quote(version)) |
| 1777 |
|
else: |
| 1778 |
0 |
version_str = "" |
| 1779 |
|
|
| 1780 |
1 |
full_command = self._get_inspect_command( |
| 1781 |
|
show_command=inspect_command, |
| 1782 |
|
kdu_model=quote(kdu_model), |
| 1783 |
|
repo_str=repo_str, |
| 1784 |
|
version=version_str, |
| 1785 |
|
) |
| 1786 |
|
|
| 1787 |
1 |
output, _ = await self._local_async_exec(command=full_command) |
| 1788 |
|
|
| 1789 |
1 |
return output |
| 1790 |
|
|
| 1791 |
1 |
async def _get_replica_count_url( |
| 1792 |
|
self, |
| 1793 |
|
kdu_model: str, |
| 1794 |
|
repo_url: str = None, |
| 1795 |
|
resource_name: str = None, |
| 1796 |
|
) -> tuple[int, str]: |
| 1797 |
|
"""Get the replica count value in the Helm Chart Values. |
| 1798 |
|
|
| 1799 |
|
Args: |
| 1800 |
|
kdu_model: The name or path of an Helm Chart |
| 1801 |
|
repo_url: Helm Chart repository url |
| 1802 |
|
resource_name: Resource name |
| 1803 |
|
|
| 1804 |
|
Returns: |
| 1805 |
|
A tuple with: |
| 1806 |
|
- The number of replicas of the specific instance; if not found, returns None; and |
| 1807 |
|
- The string corresponding to the replica count key in the Helm values |
| 1808 |
|
""" |
| 1809 |
|
|
| 1810 |
1 |
kdu_values = yaml.load( |
| 1811 |
|
await self.values_kdu(kdu_model=kdu_model, repo_url=repo_url), |
| 1812 |
|
Loader=yaml.SafeLoader, |
| 1813 |
|
) |
| 1814 |
|
|
| 1815 |
1 |
self.log.debug(f"Obtained the Helm package values for the KDU: {kdu_values}") |
| 1816 |
|
|
| 1817 |
1 |
if not kdu_values: |
| 1818 |
0 |
raise K8sException( |
| 1819 |
|
"kdu_values not found for kdu_model {}".format(kdu_model) |
| 1820 |
|
) |
| 1821 |
|
|
| 1822 |
1 |
if resource_name: |
| 1823 |
1 |
kdu_values = kdu_values.get(resource_name, None) |
| 1824 |
|
|
| 1825 |
1 |
if not kdu_values: |
| 1826 |
0 |
msg = "resource {} not found in the values in model {}".format( |
| 1827 |
|
resource_name, kdu_model |
| 1828 |
|
) |
| 1829 |
0 |
self.log.error(msg) |
| 1830 |
0 |
raise K8sException(msg) |
| 1831 |
|
|
| 1832 |
1 |
duplicate_check = False |
| 1833 |
|
|
| 1834 |
1 |
replica_str = "" |
| 1835 |
1 |
replicas = None |
| 1836 |
|
|
| 1837 |
1 |
if kdu_values.get("replicaCount") is not None: |
| 1838 |
1 |
replicas = kdu_values["replicaCount"] |
| 1839 |
1 |
replica_str = "replicaCount" |
| 1840 |
1 |
elif kdu_values.get("replicas") is not None: |
| 1841 |
1 |
duplicate_check = True |
| 1842 |
1 |
replicas = kdu_values["replicas"] |
| 1843 |
1 |
replica_str = "replicas" |
| 1844 |
|
else: |
| 1845 |
0 |
if resource_name: |
| 1846 |
0 |
msg = ( |
| 1847 |
|
"replicaCount or replicas not found in the resource" |
| 1848 |
|
"{} values in model {}. Cannot be scaled".format( |
| 1849 |
|
resource_name, kdu_model |
| 1850 |
|
) |
| 1851 |
|
) |
| 1852 |
|
else: |
| 1853 |
0 |
msg = ( |
| 1854 |
|
"replicaCount or replicas not found in the values" |
| 1855 |
|
"in model {}. Cannot be scaled".format(kdu_model) |
| 1856 |
|
) |
| 1857 |
0 |
self.log.error(msg) |
| 1858 |
0 |
raise K8sException(msg) |
| 1859 |
|
|
| 1860 |
|
# Control if replicas and replicaCount exists at the same time |
| 1861 |
1 |
msg = "replicaCount and replicas are exists at the same time" |
| 1862 |
1 |
if duplicate_check: |
| 1863 |
1 |
if "replicaCount" in kdu_values: |
| 1864 |
0 |
self.log.error(msg) |
| 1865 |
0 |
raise K8sException(msg) |
| 1866 |
|
else: |
| 1867 |
1 |
if "replicas" in kdu_values: |
| 1868 |
0 |
self.log.error(msg) |
| 1869 |
0 |
raise K8sException(msg) |
| 1870 |
|
|
| 1871 |
1 |
return replicas, replica_str |
| 1872 |
|
|
| 1873 |
1 |
async def _get_replica_count_instance( |
| 1874 |
|
self, |
| 1875 |
|
kdu_instance: str, |
| 1876 |
|
namespace: str, |
| 1877 |
|
kubeconfig: str, |
| 1878 |
|
resource_name: str = None, |
| 1879 |
|
) -> int: |
| 1880 |
|
"""Get the replica count value in the instance. |
| 1881 |
|
|
| 1882 |
|
Args: |
| 1883 |
|
kdu_instance: The name of the KDU instance |
| 1884 |
|
namespace: KDU instance namespace |
| 1885 |
|
kubeconfig: |
| 1886 |
|
resource_name: Resource name |
| 1887 |
|
|
| 1888 |
|
Returns: |
| 1889 |
|
The number of replicas of the specific instance; if not found, returns None |
| 1890 |
|
""" |
| 1891 |
|
|
| 1892 |
0 |
kdu_values = yaml.load( |
| 1893 |
|
await self.get_values_kdu(kdu_instance, namespace, kubeconfig), |
| 1894 |
|
Loader=yaml.SafeLoader, |
| 1895 |
|
) |
| 1896 |
|
|
| 1897 |
0 |
self.log.debug(f"Obtained the Helm values for the KDU instance: {kdu_values}") |
| 1898 |
|
|
| 1899 |
0 |
replicas = None |
| 1900 |
|
|
| 1901 |
0 |
if kdu_values: |
| 1902 |
0 |
resource_values = ( |
| 1903 |
|
kdu_values.get(resource_name, None) if resource_name else None |
| 1904 |
|
) |
| 1905 |
|
|
| 1906 |
0 |
for replica_str in ("replicaCount", "replicas"): |
| 1907 |
0 |
if resource_values: |
| 1908 |
0 |
replicas = resource_values.get(replica_str) |
| 1909 |
|
else: |
| 1910 |
0 |
replicas = kdu_values.get(replica_str) |
| 1911 |
|
|
| 1912 |
0 |
if replicas is not None: |
| 1913 |
0 |
break |
| 1914 |
|
|
| 1915 |
0 |
return replicas |
| 1916 |
|
|
| 1917 |
1 |
async def _store_status( |
| 1918 |
|
self, |
| 1919 |
|
cluster_id: str, |
| 1920 |
|
operation: str, |
| 1921 |
|
kdu_instance: str, |
| 1922 |
|
namespace: str = None, |
| 1923 |
|
db_dict: dict = None, |
| 1924 |
|
) -> None: |
| 1925 |
|
""" |
| 1926 |
|
Obtains the status of the KDU instance based on Helm Charts, and stores it in the database. |
| 1927 |
|
|
| 1928 |
|
:param cluster_id (str): the cluster where the KDU instance is deployed |
| 1929 |
|
:param operation (str): The operation related to the status to be updated (for instance, "install" or "upgrade") |
| 1930 |
|
:param kdu_instance (str): The KDU instance in relation to which the status is obtained |
| 1931 |
|
:param namespace (str): The Kubernetes namespace where the KDU instance was deployed. Defaults to None |
| 1932 |
|
:param db_dict (dict): A dictionary with the database necessary information. It shall contain the |
| 1933 |
|
values for the keys: |
| 1934 |
|
- "collection": The Mongo DB collection to write to |
| 1935 |
|
- "filter": The query filter to use in the update process |
| 1936 |
|
- "path": The dot separated keys which targets the object to be updated |
| 1937 |
|
Defaults to None. |
| 1938 |
|
""" |
| 1939 |
|
|
| 1940 |
1 |
try: |
| 1941 |
1 |
detailed_status = await self._status_kdu( |
| 1942 |
|
cluster_id=cluster_id, |
| 1943 |
|
kdu_instance=kdu_instance, |
| 1944 |
|
yaml_format=False, |
| 1945 |
|
namespace=namespace, |
| 1946 |
|
) |
| 1947 |
|
|
| 1948 |
1 |
status = detailed_status.get("info").get("description") |
| 1949 |
1 |
self.log.debug(f"Status for KDU {kdu_instance} obtained: {status}.") |
| 1950 |
|
|
| 1951 |
|
# write status to db |
| 1952 |
1 |
result = await self.write_app_status_to_db( |
| 1953 |
|
db_dict=db_dict, |
| 1954 |
|
status=str(status), |
| 1955 |
|
detailed_status=str(detailed_status), |
| 1956 |
|
operation=operation, |
| 1957 |
|
) |
| 1958 |
|
|
| 1959 |
1 |
if not result: |
| 1960 |
0 |
self.log.info("Error writing in database. Task exiting...") |
| 1961 |
|
|
| 1962 |
0 |
except asyncio.CancelledError as e: |
| 1963 |
0 |
self.log.warning( |
| 1964 |
|
f"Exception in method {self._store_status.__name__} (task cancelled): {e}" |
| 1965 |
|
) |
| 1966 |
0 |
except Exception as e: |
| 1967 |
0 |
self.log.warning(f"Exception in method {self._store_status.__name__}: {e}") |
| 1968 |
|
|
| 1969 |
|
# params for use in -f file |
| 1970 |
|
# returns values file option and filename (in order to delete it at the end) |
| 1971 |
1 |
def _params_to_file_option(self, cluster_id: str, params: dict) -> tuple[str, str]: |
| 1972 |
1 |
if params and len(params) > 0: |
| 1973 |
0 |
self._init_paths_env(cluster_name=cluster_id, create_if_not_exist=True) |
| 1974 |
|
|
| 1975 |
0 |
def get_random_number(): |
| 1976 |
0 |
r = random.SystemRandom().randint(1, 99999999) |
| 1977 |
0 |
s = str(r) |
| 1978 |
0 |
while len(s) < 10: |
| 1979 |
0 |
s = "0" + s |
| 1980 |
0 |
return s |
| 1981 |
|
|
| 1982 |
0 |
params2 = dict() |
| 1983 |
0 |
for key in params: |
| 1984 |
0 |
value = params.get(key) |
| 1985 |
0 |
if "!!yaml" in str(value): |
| 1986 |
0 |
value = yaml.safe_load(value[7:]) |
| 1987 |
0 |
params2[key] = value |
| 1988 |
|
|
| 1989 |
0 |
values_file = get_random_number() + ".yaml" |
| 1990 |
0 |
with open(values_file, "w") as stream: |
| 1991 |
0 |
yaml.dump(params2, stream, indent=4, default_flow_style=False) |
| 1992 |
|
|
| 1993 |
0 |
return "-f {}".format(values_file), values_file |
| 1994 |
|
|
| 1995 |
1 |
return "", None |
| 1996 |
|
|
| 1997 |
|
# params for use in --set option |
| 1998 |
1 |
@staticmethod |
| 1999 |
1 |
def _params_to_set_option(params: dict) -> str: |
| 2000 |
1 |
pairs = [ |
| 2001 |
|
f"{quote(str(key))}={quote(str(value))}" |
| 2002 |
|
for key, value in params.items() |
| 2003 |
|
if value is not None |
| 2004 |
|
] |
| 2005 |
1 |
if not pairs: |
| 2006 |
0 |
return "" |
| 2007 |
1 |
return "--set " + ",".join(pairs) |
| 2008 |
|
|
| 2009 |
1 |
@staticmethod |
| 2010 |
1 |
def generate_kdu_instance_name(**kwargs): |
| 2011 |
0 |
chart_name = kwargs["kdu_model"] |
| 2012 |
|
# check embeded chart (file or dir) |
| 2013 |
0 |
if chart_name.startswith("/"): |
| 2014 |
|
# extract file or directory name |
| 2015 |
0 |
chart_name = chart_name[chart_name.rfind("/") + 1 :] |
| 2016 |
|
# check URL |
| 2017 |
0 |
elif "://" in chart_name: |
| 2018 |
|
# extract last portion of URL |
| 2019 |
0 |
chart_name = chart_name[chart_name.rfind("/") + 1 :] |
| 2020 |
|
|
| 2021 |
0 |
name = "" |
| 2022 |
0 |
for c in chart_name: |
| 2023 |
0 |
if c.isalpha() or c.isnumeric(): |
| 2024 |
0 |
name += c |
| 2025 |
|
else: |
| 2026 |
0 |
name += "-" |
| 2027 |
0 |
if len(name) > 35: |
| 2028 |
0 |
name = name[0:35] |
| 2029 |
|
|
| 2030 |
|
# if does not start with alpha character, prefix 'a' |
| 2031 |
0 |
if not name[0].isalpha(): |
| 2032 |
0 |
name = "a" + name |
| 2033 |
|
|
| 2034 |
0 |
name += "-" |
| 2035 |
|
|
| 2036 |
0 |
def get_random_number(): |
| 2037 |
0 |
r = random.SystemRandom().randint(1, 99999999) |
| 2038 |
0 |
s = str(r) |
| 2039 |
0 |
s = s.rjust(10, "0") |
| 2040 |
0 |
return s |
| 2041 |
|
|
| 2042 |
0 |
name = name + get_random_number() |
| 2043 |
0 |
return name.lower() |
| 2044 |
|
|
| 2045 |
1 |
def _split_version(self, kdu_model: str) -> tuple[str, str]: |
| 2046 |
1 |
version = None |
| 2047 |
1 |
if ( |
| 2048 |
|
not ( |
| 2049 |
|
self._is_helm_chart_a_file(kdu_model) |
| 2050 |
|
or self._is_helm_chart_a_url(kdu_model) |
| 2051 |
|
) |
| 2052 |
|
and ":" in kdu_model |
| 2053 |
|
): |
| 2054 |
1 |
parts = kdu_model.split(sep=":") |
| 2055 |
1 |
if len(parts) == 2: |
| 2056 |
1 |
version = str(parts[1]) |
| 2057 |
1 |
kdu_model = parts[0] |
| 2058 |
1 |
return kdu_model, version |
| 2059 |
|
|
| 2060 |
1 |
def _split_repo(self, kdu_model: str) -> tuple[str, str]: |
| 2061 |
|
"""Obtain the Helm Chart's repository and Chart's names from the KDU model |
| 2062 |
|
|
| 2063 |
|
Args: |
| 2064 |
|
kdu_model (str): Associated KDU model |
| 2065 |
|
|
| 2066 |
|
Returns: |
| 2067 |
|
(str, str): Tuple with the Chart name in index 0, and the repo name |
| 2068 |
|
in index 2; if there was a problem finding them, return None |
| 2069 |
|
for both |
| 2070 |
|
""" |
| 2071 |
|
|
| 2072 |
1 |
chart_name = None |
| 2073 |
1 |
repo_name = None |
| 2074 |
|
|
| 2075 |
1 |
idx = kdu_model.find("/") |
| 2076 |
1 |
if not self._is_helm_chart_a_url(kdu_model) and idx >= 0: |
| 2077 |
1 |
chart_name = kdu_model[idx + 1 :] |
| 2078 |
1 |
repo_name = kdu_model[:idx] |
| 2079 |
|
|
| 2080 |
1 |
return chart_name, repo_name |
| 2081 |
|
|
| 2082 |
1 |
async def _find_repo(self, kdu_model: str, cluster_uuid: str) -> str: |
| 2083 |
|
"""Obtain the Helm repository for an Helm Chart |
| 2084 |
|
|
| 2085 |
|
Args: |
| 2086 |
|
kdu_model (str): the KDU model associated with the Helm Chart instantiation |
| 2087 |
|
cluster_uuid (str): The cluster UUID associated with the Helm Chart instantiation |
| 2088 |
|
|
| 2089 |
|
Returns: |
| 2090 |
|
str: the repository URL; if Helm Chart is a local one, the function returns None |
| 2091 |
|
""" |
| 2092 |
|
|
| 2093 |
1 |
_, repo_name = self._split_repo(kdu_model=kdu_model) |
| 2094 |
|
|
| 2095 |
1 |
repo_url = None |
| 2096 |
1 |
if repo_name: |
| 2097 |
|
# Find repository link |
| 2098 |
1 |
local_repo_list = await self.repo_list(cluster_uuid) |
| 2099 |
1 |
for repo in local_repo_list: |
| 2100 |
1 |
if repo["name"] == repo_name: |
| 2101 |
1 |
repo_url = repo["url"] |
| 2102 |
1 |
break # it is not necessary to continue the loop if the repo link was found... |
| 2103 |
|
|
| 2104 |
1 |
return repo_url |
| 2105 |
|
|
| 2106 |
1 |
def _repo_to_oci_url(self, repo): |
| 2107 |
0 |
db_repo = self.db.get_one("k8srepos", {"name": repo}, fail_on_empty=False) |
| 2108 |
0 |
if db_repo and "oci" in db_repo: |
| 2109 |
0 |
return db_repo.get("url") |
| 2110 |
|
|
| 2111 |
1 |
async def _prepare_helm_chart(self, kdu_model, cluster_id): |
| 2112 |
|
# e.g.: "stable/openldap", "1.0" |
| 2113 |
1 |
kdu_model, version = self._split_version(kdu_model) |
| 2114 |
|
# e.g.: "openldap, stable" |
| 2115 |
1 |
chart_name, repo = self._split_repo(kdu_model) |
| 2116 |
1 |
if repo and chart_name: # repo/chart case |
| 2117 |
1 |
oci_url = self._repo_to_oci_url(repo) |
| 2118 |
1 |
if oci_url: # oci does not require helm repo update |
| 2119 |
0 |
kdu_model = f"{oci_url.rstrip('/')}/{chart_name.lstrip('/')}" # urljoin doesn't work for oci schema |
| 2120 |
|
else: |
| 2121 |
1 |
await self.repo_update(cluster_id, repo) |
| 2122 |
1 |
return kdu_model, version |
| 2123 |
|
|
| 2124 |
1 |
async def create_certificate( |
| 2125 |
|
self, cluster_uuid, namespace, dns_prefix, name, secret_name, usage |
| 2126 |
|
): |
| 2127 |
0 |
paths, env = self._init_paths_env( |
| 2128 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 2129 |
|
) |
| 2130 |
0 |
kubectl = Kubectl(config_file=paths["kube_config"]) |
| 2131 |
0 |
await kubectl.create_certificate( |
| 2132 |
|
namespace=namespace, |
| 2133 |
|
name=name, |
| 2134 |
|
dns_prefix=dns_prefix, |
| 2135 |
|
secret_name=secret_name, |
| 2136 |
|
usages=[usage], |
| 2137 |
|
issuer_name="ca-issuer", |
| 2138 |
|
) |
| 2139 |
|
|
| 2140 |
1 |
async def delete_certificate(self, cluster_uuid, namespace, certificate_name): |
| 2141 |
0 |
paths, env = self._init_paths_env( |
| 2142 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 2143 |
|
) |
| 2144 |
0 |
kubectl = Kubectl(config_file=paths["kube_config"]) |
| 2145 |
0 |
await kubectl.delete_certificate(namespace, certificate_name) |
| 2146 |
|
|
| 2147 |
1 |
async def create_namespace( |
| 2148 |
|
self, |
| 2149 |
|
namespace, |
| 2150 |
|
cluster_uuid, |
| 2151 |
|
labels, |
| 2152 |
|
): |
| 2153 |
|
""" |
| 2154 |
|
Create a namespace in a specific cluster |
| 2155 |
|
|
| 2156 |
|
:param namespace: Namespace to be created |
| 2157 |
|
:param cluster_uuid: K8s cluster uuid used to retrieve kubeconfig |
| 2158 |
|
:param labels: Dictionary with labels for the new namespace |
| 2159 |
|
:returns: None |
| 2160 |
|
""" |
| 2161 |
0 |
paths, env = self._init_paths_env( |
| 2162 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 2163 |
|
) |
| 2164 |
0 |
kubectl = Kubectl(config_file=paths["kube_config"]) |
| 2165 |
0 |
await kubectl.create_namespace( |
| 2166 |
|
name=namespace, |
| 2167 |
|
labels=labels, |
| 2168 |
|
) |
| 2169 |
|
|
| 2170 |
1 |
async def delete_namespace( |
| 2171 |
|
self, |
| 2172 |
|
namespace, |
| 2173 |
|
cluster_uuid, |
| 2174 |
|
): |
| 2175 |
|
""" |
| 2176 |
|
Delete a namespace in a specific cluster |
| 2177 |
|
|
| 2178 |
|
:param namespace: namespace to be deleted |
| 2179 |
|
:param cluster_uuid: K8s cluster uuid used to retrieve kubeconfig |
| 2180 |
|
:returns: None |
| 2181 |
|
""" |
| 2182 |
0 |
paths, env = self._init_paths_env( |
| 2183 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 2184 |
|
) |
| 2185 |
0 |
kubectl = Kubectl(config_file=paths["kube_config"]) |
| 2186 |
0 |
await kubectl.delete_namespace( |
| 2187 |
|
name=namespace, |
| 2188 |
|
) |
| 2189 |
|
|
| 2190 |
1 |
async def copy_secret_data( |
| 2191 |
|
self, |
| 2192 |
|
src_secret: str, |
| 2193 |
|
dst_secret: str, |
| 2194 |
|
cluster_uuid: str, |
| 2195 |
|
data_key: str, |
| 2196 |
|
src_namespace: str = "osm", |
| 2197 |
|
dst_namespace: str = "osm", |
| 2198 |
|
): |
| 2199 |
|
""" |
| 2200 |
|
Copy a single key and value from an existing secret to a new one |
| 2201 |
|
|
| 2202 |
|
:param src_secret: name of the existing secret |
| 2203 |
|
:param dst_secret: name of the new secret |
| 2204 |
|
:param cluster_uuid: K8s cluster uuid used to retrieve kubeconfig |
| 2205 |
|
:param data_key: key of the existing secret to be copied |
| 2206 |
|
:param src_namespace: Namespace of the existing secret |
| 2207 |
|
:param dst_namespace: Namespace of the new secret |
| 2208 |
|
:returns: None |
| 2209 |
|
""" |
| 2210 |
0 |
paths, env = self._init_paths_env( |
| 2211 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 2212 |
|
) |
| 2213 |
0 |
kubectl = Kubectl(config_file=paths["kube_config"]) |
| 2214 |
0 |
secret_data = await kubectl.get_secret_content( |
| 2215 |
|
name=src_secret, |
| 2216 |
|
namespace=src_namespace, |
| 2217 |
|
) |
| 2218 |
|
# Only the corresponding data_key value needs to be copy |
| 2219 |
0 |
data = {data_key: secret_data.get(data_key)} |
| 2220 |
0 |
await kubectl.create_secret( |
| 2221 |
|
name=dst_secret, |
| 2222 |
|
data=data, |
| 2223 |
|
namespace=dst_namespace, |
| 2224 |
|
secret_type="Opaque", |
| 2225 |
|
) |
| 2226 |
|
|
| 2227 |
1 |
async def setup_default_rbac( |
| 2228 |
|
self, |
| 2229 |
|
name, |
| 2230 |
|
namespace, |
| 2231 |
|
cluster_uuid, |
| 2232 |
|
api_groups, |
| 2233 |
|
resources, |
| 2234 |
|
verbs, |
| 2235 |
|
service_account, |
| 2236 |
|
): |
| 2237 |
|
""" |
| 2238 |
|
Create a basic RBAC for a new namespace. |
| 2239 |
|
|
| 2240 |
|
:param name: name of both Role and Role Binding |
| 2241 |
|
:param namespace: K8s namespace |
| 2242 |
|
:param cluster_uuid: K8s cluster uuid used to retrieve kubeconfig |
| 2243 |
|
:param api_groups: Api groups to be allowed in Policy Rule |
| 2244 |
|
:param resources: Resources to be allowed in Policy Rule |
| 2245 |
|
:param verbs: Verbs to be allowed in Policy Rule |
| 2246 |
|
:param service_account: Service Account name used to bind the Role |
| 2247 |
|
:returns: None |
| 2248 |
|
""" |
| 2249 |
0 |
paths, env = self._init_paths_env( |
| 2250 |
|
cluster_name=cluster_uuid, create_if_not_exist=True |
| 2251 |
|
) |
| 2252 |
0 |
kubectl = Kubectl(config_file=paths["kube_config"]) |
| 2253 |
0 |
await kubectl.create_role( |
| 2254 |
|
name=name, |
| 2255 |
|
labels={}, |
| 2256 |
|
namespace=namespace, |
| 2257 |
|
api_groups=api_groups, |
| 2258 |
|
resources=resources, |
| 2259 |
|
verbs=verbs, |
| 2260 |
|
) |
| 2261 |
0 |
await kubectl.create_role_binding( |
| 2262 |
|
name=name, |
| 2263 |
|
labels={}, |
| 2264 |
|
namespace=namespace, |
| 2265 |
|
role_name=name, |
| 2266 |
|
sa_name=service_account, |
| 2267 |
|
) |
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