404 lines
14 KiB
Python
404 lines
14 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 manage and access cluster, hosts and adapter config.
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"""
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from copy import deepcopy
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import logging
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from compass.deployment.utils import constants as const
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class BaseConfigManager(object):
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def __init__(self, adapter_info, cluster_info, hosts_info):
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self.adapter_info = adapter_info
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self.cluster_info = cluster_info
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self.hosts_info = hosts_info
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def get_cluster_id(self):
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return self.__get_cluster_item(const.ID)
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def get_clustername(self):
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return self.__get_cluster_item(const.NAME)
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def get_os_version(self):
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return self.__get_cluster_item(const.OS_VERSION)
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def get_cluster_baseinfo(self):
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"""Get cluster base information, including cluster_id, os_version,
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and cluster_name.
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"""
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attr_names = [const.ID, const.NAME, const.OS_VERSION]
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base_info = {}
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for name in attr_names:
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base_info[name] = self.__get_cluster_item(name)
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return base_info
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def get_host_id_list(self):
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if not self.hosts_info:
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logging.info("hosts config is None or {}")
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return []
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return self.hosts_info.keys()
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def get_hosts_id_list_for_os_installation(self):
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"""Get info of hosts which need to install/reinstall OS."""
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result = []
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all_host_ids = self.get_host_id_list()
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for host_id in all_host_ids:
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if self.hosts_info[host_id][const.REINSTALL_OS_FLAG]:
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result.append(host_id)
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return result
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def get_cluster_flavor_info(self):
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return self.__get_cluster_item(const.FLAVOR, {})
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def get_cluster_flavor_name(self):
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flavor_info = self.get_cluster_flavor_info()
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return flavor_info.setdefault(const.FLAVOR_NAME, None)
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def get_cluster_flavor_roles(self):
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flavor_info = self.get_cluster_flavor_info()
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return flavor_info.setdefault(const.ROLES, [])
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def get_cluster_flavor_template(self):
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flavor_info = self.get_cluster_flavor_info()
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return flavor_info.setdefault(const.TMPL, None)
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def get_cluster_os_config(self):
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return deepcopy(self.__get_cluster_item(const.OS_CONFIG, {}))
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def get_server_credentials(self):
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cluster_os_config = self.get_cluster_os_config()
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if not cluster_os_config:
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logging.info("cluster os_config is None!")
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return ()
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username = cluster_os_config[const.SERVER_CREDS][const.USERNAME]
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password = cluster_os_config[const.SERVER_CREDS][const.PASSWORD]
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return (username, password)
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def get_cluster_package_config(self):
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return deepcopy(self.__get_cluster_item(const.PK_CONFIG, {}))
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def get_cluster_network_mapping(self):
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package_config = self.get_cluster_package_config()
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if not package_config:
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logging.info("cluster package_config is None or {}.")
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return {}
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mapping = package_config.setdefault(const.NETWORK_MAPPING, {})
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logging.info("Network mapping in the config is '%s'!", mapping)
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return mapping
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def get_cluster_deployed_os_config(self):
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return deepcopy(self.__get_cluster_item(const.DEPLOYED_OS_CONFIG, {}))
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def get_cluster_deployed_package_config(self):
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return deepcopy(self.__get_cluster_item(const.DEPLOYED_PK_CONFIG, {}))
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def __get_cluster_item(self, item, default_value=None):
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if not self.cluster_info:
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logging.info("cluster config is None or {}")
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return None
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return self.cluster_info.setdefault(item, default_value)
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def get_cluster_roles_mapping(self):
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if not self.cluster_info:
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logging.info("cluster config is None or {}")
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return {}
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deploy_config = self.get_cluster_deployed_package_config()
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mapping = deploy_config.setdefault(const.ROLES_MAPPING, {})
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if not mapping:
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mapping = self._get_cluster_roles_mapping_helper()
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deploy_config[const.ROLES_MAPPING] = mapping
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return mapping
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def _get_host_info(self, host_id):
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if not self.hosts_info:
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logging.info("hosts config is None or {}")
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return {}
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if host_id not in self.hosts_info:
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logging.info("Cannot find host, ID is '%s'", host_id)
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return {}
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return self.hosts_info[host_id]
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def __get_host_item(self, host_id, item, default_value=None):
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host_info = self._get_host_info(host_id)
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if not host_info:
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return {}
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return deepcopy(host_info.setdefault(item, default_value))
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def get_host_baseinfo(self, host_id):
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"""Get host base information."""
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host_info = self._get_host_info(host_id)
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if not host_info:
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return {}
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attr_names = [const.REINSTALL_OS_FLAG, const.MAC_ADDR, const.NAME,
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const.HOSTNAME, const.NETWORKS]
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base_info = {}
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for attr in attr_names:
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temp = host_info[attr]
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if isinstance(temp, dict) or isinstance(temp, list):
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base_info[attr] = deepcopy(temp)
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else:
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base_info[attr] = temp
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base_info[const.DNS] = self.get_host_dns(host_id)
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return base_info
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def get_host_fullname(self, host_id):
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return self.__get_host_item(host_id, const.NAME, None)
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def get_host_dns(self, host_id):
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host_info = self._get_host_info(host_id)
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if not host_info:
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return None
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if const.DNS not in host_info:
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hostname = host_info[const.HOSTNAME]
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domain = self.get_host_domain(host_id)
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host_info[const.DNS] = '.'.join((hostname, domain))
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return host_info[const.DNS]
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def get_host_mac_address(self, host_id):
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return self.__get_host_item(host_id, const.MAC_ADDR, None)
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def get_hostname(self, host_id):
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return self.__get_host_item(host_id, const.HOSTNAME, None)
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def get_host_networks(self, host_id):
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return self.__get_host_item(host_id, const.NETWORKS, {})
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def get_host_interfaces(self, host_id):
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networks = self.get_host_networks(host_id)
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return networks.keys()
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def get_host_interface_config(self, host_id, interface):
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networks = self.get_host_networks(host_id)
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return networks.setdefault(interface, {})
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def get_host_interface_ip(self, host_id, interface):
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interface_config = self._get_host_interface_config(host_id, interface)
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return interface_config.setdefault(const.IP_ADDR, None)
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def get_host_interface_netmask(self, host_id, interface):
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interface_config = self.get_host_interface_config(host_id, interface)
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return interface_config.setdefault(const.NETMASK, None)
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def get_host_interface_subnet(self, host_id, interface):
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nic_config = self.get_host_interface_config(host_id, interface)
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return nic_config.setdefault(const.SUBNET, None)
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def is_interface_promiscuous(self, host_id, interface):
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nic_config = self.get_host_interface_config(host_id, interface)
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if not nic_config:
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raise Exception("Cannot find interface '%s'", interface)
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return nic_config[const.PROMISCUOUS_FLAG]
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def is_interface_mgmt(self, host_id, interface):
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nic_config = self.get_host_interface_config(host_id, interface)
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if not nic_config:
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raise Exception("Cannot find interface '%s'", interface)
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return nic_config[const.MGMT_NIC_FLAG]
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def get_host_os_config(self, host_id):
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return self.__get_host_item(host_id, const.OS_CONFIG, {})
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def get_host_domain(self, host_id):
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os_config = self.get_host_os_config(host_id)
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os_general_config = os_config.setdefault(const.OS_CONFIG_GENERAL, {})
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domain = os_general_config.setdefault(const.DOMAIN, None)
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if domain is None:
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global_config = self.get_cluster_os_config()
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global_general = global_config.setdefault(const.OS_CONFIG_GENERAL,
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{})
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domain = global_general.setdefault(const.DOMAIN, None)
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return domain
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def get_host_network_mapping(self, host_id):
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package_config = self.get_host_package_config(host_id)
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if const.NETWORK_MAPPING not in package_config:
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network_mapping = self.get_cluster_network_mapping()
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else:
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network_mapping = package_config[const.NETWORK_MAPPING]
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return network_mapping
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def get_host_package_config(self, host_id):
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return self.__get_host_item(host_id, const.PK_CONFIG, {})
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def get_host_deployed_os_config(self, host_id):
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host_info = self._get_host_info(host_id)
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return host_info.setdefault(const.DEPLOYED_OS_CONFIG, {})
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def get_host_deployed_package_config(self, host_id):
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host_info = self._get_host_info(host_id)
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return host_info.setdefault(const.DEPLOYED_PK_CONFIG, {})
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def get_host_roles(self, host_id):
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return self.__get_host_item(host_id, const.ROLES, [])
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def get_all_hosts_roles(self, hosts_id_list=None):
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roles = []
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if hosts_id_list is None:
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hosts_id_list = self.get_host_id_list()
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for host_id in hosts_id_list:
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host_roles = self.get_host_roles(host_id)
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roles.extend([role for role in host_roles if role not in roles])
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return roles
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def get_host_roles_mapping(self, host_id):
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roles_mapping = {}
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deployed_pk_config = self.get_host_package_config(host_id)
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if const.ROLES_MAPPING not in deployed_pk_config:
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roles_mapping = self._get_host_roles_mapping_helper(host_id)
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deployed_pk_config[const.ROLES_MAPPING] = roles_mapping
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else:
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roles_mapping = deployed_pk_config[const.ROLES_MAPPING]
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return deepcopy(roles_mapping)
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def get_host_ipmi_info(self, host_id):
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ipmi_info = self.__get_host_item(host_id, const.IPMI, {})
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if not ipmi_info:
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return (None, None, None)
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ipmi_ip = ipmi_info[const.IP_ADDR]
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ipmi_user = ipmi_info[const.IPMI_CREDS][const.USERNAME]
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ipmi_pass = ipmi_info[const.IPMI_CREDS][const.PASSWORD]
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return (ipmi_ip, ipmi_user, ipmi_pass)
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def __get_adapter_item(self, item, default_value=None):
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if not self.adapter_info:
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logging.info("Adapter Info is None!")
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return None
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return deepcopy(self.adapter_info.setdefault(item, default_value))
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def get_adapter_name(self):
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return self.__get_adapter_item(const.NAME, None)
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def get_dist_system_name(self):
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return self.__get_adapter_item(const.NAME, None)
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def get_adapter_health_check_cmd(self):
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return self.__get_adapter_item(const.HEALTH_CHECK_CMD)
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def get_os_installer_settings(self):
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installer_info = self.__get_adapter_item(const.OS_INSTALLER, {})
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return installer_info.setdefault(const.INSTALLER_SETTINGS, {})
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def get_pk_installer_settings(self):
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installer_info = self.__get_adapter_item(const.PK_INSTALLER, {})
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return installer_info.setdefault(const.INSTALLER_SETTINGS, {})
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def get_os_config_metadata(self):
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metadata = self.__get_adapter_item(const.METADATA, {})
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return metadata.setdefault(const.OS_CONFIG, {})
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def get_pk_config_meatadata(self):
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metadata = self.__get_adapter_item(const.METADATA, {})
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return metadata.setdefault(const.PK_CONFIG, {})
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def get_adapter_all_flavors(self):
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return self.__get_adapter_item(const.FLAVORS, [])
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def get_adapter_flavor(self, flavor_name):
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flavors = self.__get_adapter_item(const.FLAVORS, [])
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for flavor in flavors:
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if flavor[const.FLAVOR_NAME] == flavor_name:
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return flavor
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return None
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def _get_cluster_roles_mapping_helper(self):
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"""The ouput format will be as below, for example:
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{
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"controller": [{
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"hostname": "xxx",
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"management": {
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"interface": "eth0",
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"ip": "192.168.1.10",
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"netmask": "255.255.255.0",
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"subnet": "192.168.1.0/24",
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"is_mgmt": True,
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"is_promiscuous": False
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},
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...
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}],
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...
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}
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"""
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mapping = {}
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hosts_id_list = self.get_host_id_list()
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network_mapping = self.get_cluster_network_mapping()
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if not network_mapping:
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return {}
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for host_id in hosts_id_list:
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roles_mapping = self.get_host_roles_mapping(host_id)
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for role, value in roles_mapping.items():
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mapping.setdefault(role, []).append(value)
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return mapping
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def _get_host_roles_mapping_helper(self, host_id):
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"""The format will be the same as cluster roles mapping."""
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network_mapping = self.get_host_network_mapping(host_id)
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if not network_mapping:
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return {}
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hostname = self.get_hostname(host_id)
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roles = self.get_host_roles(host_id)
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interfaces = self.get_host_interfaces(host_id)
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mapping = {}
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temp = {const.HOSTNAME: hostname}
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for key in network_mapping:
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nic = network_mapping[key][const.NIC]
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if nic in interfaces:
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temp[key] = self.get_host_interface_config(host_id, nic)
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temp[key][const.NIC] = nic
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for role in roles:
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role = role.replace("-", "_")
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mapping[role] = temp
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return mapping
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