132 lines
4.2 KiB
Python
132 lines
4.2 KiB
Python
# Copyright 2015 Mirantis, Inc.
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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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from xml.etree import ElementTree
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from fuelweb_test.helpers.ssh_manager import SSHManager
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ssh_manager = SSHManager()
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def get_pacemaker_nodes_attributes(cibadmin_status_xml):
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"""Parse 'cibadmin --query --scope status'.
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:param cibadmin_status_xml: stdout from 'cibadmin --query --scope status'
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:return: nested dictionary with node-fqdn and attribute name as keys
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"""
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""" Get cibadmin_status to a python dict:
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return:
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{
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fqdn: {
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'arch':
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'cpu_cores':
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'cpu_info':
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'cpu_load':
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'cpu_speed':
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'free_swap':
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'gtidd':
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'master-p_conntrackd':
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'master-p_rabbitmq-server':
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'os':
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'#health_disk': # only on master if root_free < 100M
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'pingd':
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'rabbit-master': # only on master
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'rabbit-start-time':
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'rabbit_get_alarms_timeouts':
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'rabbit_list_channels_timeouts':
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'ram_free':
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'ram_total':
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'root_free':
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'var_lib_glance_free':
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'var_lib_mysql_free':
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'var_log_free':
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},
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...
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}
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"""
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root = ElementTree.fromstring(cibadmin_status_xml)
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nodes = {}
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for node_state in root.iter('node_state'):
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node_name = node_state.get('uname')
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nodes[node_name] = {}
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for instance_attribute in node_state.iter('nvpair'):
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nodes[node_name][instance_attribute.get(
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'name')] = instance_attribute.get('value')
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return nodes
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def get_pcs_nodes(pcs_status_xml):
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"""Parse 'pcs status xml'. <Nodes> section
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:param pcs_status_xml: stdout from 'pcs status xml'
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:return: nested dictionary with node-fqdn and attribute name as keys
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"""
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""" Get crm node attributes to a python dict:
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return:
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{
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fqdn: {
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'node name':
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'id':
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'online':
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'standby':
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'standby_on_fail':
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'maintenance':
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'pending':
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'unclean':
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'shutdown':
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'expected_up':
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'is_dc':
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'resources_running':
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'type':
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},
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...
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}
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"""
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root = ElementTree.fromstring(pcs_status_xml)
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nodes = {}
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for nodes_group in root.iter('nodes'):
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for node in nodes_group:
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nodes[node.get('name')] = node.attrib
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return nodes
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def parse_pcs_status_xml(remote_ip):
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"""Parse 'pcs status xml'. <Nodes> section
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:param remote_ip: remote IP address
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:return: nested dictionary with node-fqdn and attribute name as keys
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"""
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pcs_status_dict = ssh_manager.execute_on_remote(
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remote_ip, 'pcs status xml')['stdout_str']
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return pcs_status_dict
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def get_pacemaker_resource_name(remote_ip, resource_name):
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""" Parse 'cibadmin -Q --scope resources' and check whether the resource
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is multistate. Return parent resource name if it is, resource name
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otherwise
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:param remote_ip: remote IP address
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:param resource_name: resource name string
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:return: string with proper resource name
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"""
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cib = ssh_manager.execute_on_remote(
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remote_ip, 'cibadmin -Q --scope resources')['stdout_str']
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root = ElementTree.fromstring(cib)
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resource_parent = root.find(
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".//primitive[@id='{0}']/..".format(resource_name))
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if resource_parent.tag in ['master', 'clone']:
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return resource_parent.attrib['id']
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else:
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return resource_name
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