165 lines
6.2 KiB
Python
165 lines
6.2 KiB
Python
# Copyright 2014 Huawei Technologies Co. Ltd
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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 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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__author__ = "Grace Yu (grace.yu@huawei.com)"
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"""Module to get configs from provider and isntallers and update
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them to provider and installers.
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"""
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from compass.deployment.installers.installer import OSInstaller
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from compass.deployment.installers.installer import PKInstaller
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from compass.deployment.utils import constants as const
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from compass.utils import util
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import logging
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class DeployManager(object):
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"""Deploy manager module."""
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def __init__(self, adapter_info, cluster_info, hosts_info):
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os_installer_name = adapter_info[const.OS_INSTALLER][const.NAME]
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pk_installer_name = adapter_info[const.PK_INSTALLER][const.NAME]
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os_hosts_info = self._get_hosts_for_os_installation(hosts_info)
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self.os_installer = DeployManager._get_installer(OSInstaller,
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os_installer_name,
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adapter_info,
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cluster_info,
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os_hosts_info)
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self.pk_installer = DeployManager._get_installer(PKInstaller,
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pk_installer_name,
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adapter_info,
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cluster_info,
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hosts_info)
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@staticmethod
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def _get_installer(installer_type, name, adapter_info, cluster_info,
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hosts_info):
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"""Get installer instance."""
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callback = getattr(installer_type, 'get_installer')
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installer = callback(name, adapter_info, cluster_info, hosts_info)
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return installer
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def clean_progress(self):
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"""Clean previous installation log and progress."""
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# Clean DB
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# db_api.cluster.clean_progress(self.cluster_id)
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# db_api.cluster.clean_progress(self.cluster_id, self.host_id_list)
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# OS installer cleans previous installing progress.
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if self.os_installer:
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self.os_installer.clean_progress()
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# Package installer cleans previous installing progress.
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if self.pk_installer:
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self.pk_installer.clean_progress()
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def prepare_for_deploy(self):
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self.clean_progress()
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def deploy(self):
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"""Deploy the cluster."""
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deploy_config = {}
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pk_instl_confs = {}
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if self.pk_installer:
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# generate target system config which will be installed by OS
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# installer right after OS installation is completed.
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pk_instl_confs = self.pk_installer.generate_installer_config()
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logging.debug('[DeployManager][deploy] pk_instl_confs is %s',
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pk_instl_confs)
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if self.os_installer:
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logging.info('[DeployManager][deploy]get OS installer %s',
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self.os_installer)
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# Send package installer config info to OS installer.
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if pk_instl_confs:
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self.os_installer.set_package_installer_config(pk_instl_confs)
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# start to deploy OS
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try:
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os_deploy_config = self.os_installer.deploy()
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deploy_config = os_deploy_config
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except Exception as ex:
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logging.error(ex.message)
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if self.pk_installer:
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logging.info('DeployManager][deploy]get package installer %s',
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self.pk_installer)
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pk_deploy_config = self.pk_installer.deploy()
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util.merge_dict(deploy_config, pk_deploy_config)
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return deploy_config
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def redeploy(self):
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"""Redeploy the cluster without changing configurations."""
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if self.os_installer:
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self.os_installer.redeploy()
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if self.pk_installer:
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self.pk_installer.redeploy()
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def remove_hosts(self):
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"""Remove hosts from both OS and package installlers server side."""
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if self.os_installer:
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self.os_installer.delete_hosts()
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if self.pk_installer:
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self.pk_installer.delete_hosts()
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def _get_hosts_for_os_installation(self, hosts_info):
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"""Get info of hosts which need to install/reinstall OS."""
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hosts_list = {}
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for host_id in hosts_info:
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reinstall_os_flag = hosts_info[host_id][const.REINSTALL_OS_FLAG]
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if not reinstall_os_flag:
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continue
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hosts_list[host_id] = hosts_info[host_id]
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return hosts_list
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class PowerManager(object):
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"""Manage host to power on, power off, and reset."""
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def __init__(self, adapter_info, cluster_info, hosts_info):
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os_installer_name = adapter_info[const.OS_INSTALLER][const.NAME]
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self.os_installer = DeployManager._get_installer(OSInstaller,
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os_installer_name,
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adapter_info,
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cluster_info,
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hosts_info)
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def poweron(self):
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if not self.os_installer:
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logging.info("No OS installer found, cannot power on machine!")
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return
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self.os_installer.poweron()
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def poweroff(self):
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if not self.os_installer:
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logging.info("No OS installer found, cannot power on machine!")
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return
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self.os_installer.poweroff()
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def reset(self):
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if not self.os_installer:
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logging.info("No OS installer found, cannot power on machine!")
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return
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self.os_installer.reset()
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