101 lines
3.9 KiB
Python
101 lines
3.9 KiB
Python
# Copyright (C) 2022 Nippon Telegraph and Telephone Corporation
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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"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import subprocess
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import yaml
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from oslo_log import log as logging
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from tacker.sol_refactored.common import exceptions as sol_ex
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LOG = logging.getLogger(__name__)
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HELM_INSTALL_TIMEOUT = "120s"
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class HelmClient():
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def __init__(self, helm_auth_params):
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self.helm_auth_params = helm_auth_params
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def _execute_command(self, helm_command, raise_ex=True):
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helm_command.extend(self.helm_auth_params)
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result = subprocess.run(helm_command,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True)
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if raise_ex and result.returncode != 0:
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raise sol_ex.HelmOperationFailed(sol_detail=str(result))
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return result
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def _get_revision(self, result):
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for line in result.stdout.split('\n'):
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if 'REVISION' in line:
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revision = line.split()[-1]
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return revision
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def is_release_exist(self, release_name, namespace):
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# execute helm status command
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helm_command = ["helm", "status", release_name, "--namespace",
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namespace]
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result = self._execute_command(helm_command, False)
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return result.returncode == 0
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def install(self, release_name, chart_name, namespace, parameters):
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# execute helm install command
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helm_command = ["helm", "install", release_name, chart_name,
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"--namespace", namespace, "--create-namespace"]
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if parameters:
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set_params = ','.join([f"{key}={value}"
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for key, value in parameters.items()])
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helm_command.extend(["--set", set_params])
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helm_command.extend(["--timeout", HELM_INSTALL_TIMEOUT])
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result = self._execute_command(helm_command)
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return self._get_revision(result)
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def upgrade(self, release_name, chart_name, namespace, parameters):
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# execute helm install command
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helm_command = ["helm", "upgrade", release_name, chart_name,
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"--namespace", namespace, "--reuse-values"]
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if parameters:
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set_params = ','.join([f"{key}={value}"
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for key, value in parameters.items()])
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helm_command.extend(["--set", set_params])
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helm_command.extend(["--timeout", HELM_INSTALL_TIMEOUT])
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result = self._execute_command(helm_command)
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return self._get_revision(result)
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def uninstall(self, release_name, namespace):
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# execute helm uninstall command
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helm_command = ["helm", "uninstall", release_name, "--namespace",
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namespace, "--timeout", HELM_INSTALL_TIMEOUT]
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self._execute_command(helm_command)
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def get_manifest(self, release_name, namespace):
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# execute helm get manifest command
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helm_command = ["helm", "get", "manifest", release_name,
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"--namespace", namespace]
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result = self._execute_command(helm_command)
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return list(yaml.safe_load_all(result.stdout))
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def rollback(self, release_name, revision_no, namespace):
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# execute helm get manifest command
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helm_command = ["helm", "rollback", release_name, revision_no,
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"--namespace", namespace]
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self._execute_command(helm_command)
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