384 lines
13 KiB
Python
Executable File
384 lines
13 KiB
Python
Executable File
#!/usr/bin/env python
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from pyeole import process
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from pyeole.log import init_logging
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from creole.client import CreoleClient
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from tempfile import mkstemp
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import sys
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import os
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import csv
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import logging
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import re
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LOG_FILE = '/var/log/one/eole-one-node.log'
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logger = None
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class RunCmdError(Exception):
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pass
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class OneClient():
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def __init__(self, user):
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self.user = None
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self.auth = None
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self.root = '/var/lib/one'
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if user:
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self.user = user
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else:
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self.user = 'oneadmin'
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user_info = process.system_out(['getent', 'passwd', user])[1]
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if user_info:
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self.root = user_info.split(':')[5]
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command = ['cat', u'{0}/.one/one_auth'.format(self.root)]
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res = process.system_out(command)
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if res[0] == 0:
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self.auth = res[1].split(':')
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else:
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msg = u"OneClient: unable to authenticate: '{stdout}', '{stderr}'"
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logger.error(msg.format(stdout=res[1], stderr=res[2]))
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def __run_cmd__(self, cmd):
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logger.debug(u"OneClient: execute command '{cmd}'".format(cmd=cmd))
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command = list(cmd)
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command.extend(['--user', self.auth[0]])
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command.extend(['--password', self.auth[1]])
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res = process.system_out(command)
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if res[0] == 0:
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if 'list' in cmd:
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out_lines = []
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if res:
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for line in res[1].split('\n'):
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if len(line) == 0:
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next
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elif re.match('^.*ID ', line):
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next
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else:
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out_lines.append(line.split())
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return out_lines
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else:
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return res
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else:
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msg = u"OneClient: error executing '{cmd}': '{stdout}', '{stderr}'"
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logger.error(msg.format(cmd=cmd, stdout=res[1], stderr=res[2]))
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return False
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def get_hosts(self):
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""" get the list of hosts
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"""
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logger.debug(u"OneClient: list all hosts")
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cmd = ['onehost', 'list']
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cmd.extend(['-l', 'ID,NAME'])
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res = self.__run_cmd__(cmd)
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return(res)
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def get_clusters(self):
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""" get the cluster list
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"""
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logger.debug(u"OneClient: list all clusters")
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cmd = ['onecluster', 'list']
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cmd.extend(['-l', 'ID,NAME'])
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return self.__run_cmd__(cmd)
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def get_networks(self):
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""" get the virtual network list
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"""
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logger.debug(u"OneClient: list all networks")
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cmd = ['onevnet', 'list']
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cmd.extend(['-l', 'ID,NAME'])
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return self.__run_cmd__(cmd)
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def get_cluster_id_by_name(self, name):
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logger.debug(u"OneClient: get cluster named '{name}'".format(name=name))
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cmd = ['onecluster', 'list']
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cmd.extend(['-f', 'NAME={0}'.format(name)])
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res = self.__run_cmd__(cmd)
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ID = res[0][0]
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return ID
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def get_vnet_id_by_name(self, name):
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logger.debug(u"OneClient: get network named '{name}'".format(name=name))
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cmd = ['onevnet', 'list']
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cmd.extend(['-f', 'NAME={0}'.format(name)])
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res = self.__run_cmd__(cmd)
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ID = res[0][0]
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return ID
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def create_network(self, templatefile, cluster, vnet_name):
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""" Create a network
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"""
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logger.info(u"OneClient: create network named '{name}'".format(name=vnet_name))
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cmd = ['onevnet', 'create', templatefile]
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res = self.__run_cmd__(cmd)
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if res and res[0] == 0:
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msg = u"OneClient: attach vnet '{vnet}' to cluster '{cluster}'"
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logger.info(msg.format(vnet=vnet_name, cluster=cluster))
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clt_id = self.get_cluster_id_by_name(cluster)
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vnet_id = self.get_vnet_id_by_name(vnet_name)
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res = self.__run_cmd__(['onecluster', 'addvnet', clt_id, vnet_id])
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if not res:
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print("Error attaching {0} vnet to {1} cluster".format(vnet_name, cluster))
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return False
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else:
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os.remove(templatefile)
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return True
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else:
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logger.error(u"Creation of virtual network with template {0} failed".format(templatefile))
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return False
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def update_network(self, templatefile, cluster, vnet_name):
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""" Update a network
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"""
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logger.info(u"OneClient: update network named '{name}'".format(name=vnet_name))
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vnet_id = self.get_vnet_id_by_name(vnet_name)
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cmd = ['onevnet', 'update']
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cmd.extend(['--user', self.auth[0]])
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cmd.extend(['--password', self.auth[1][:-1]])
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cmd.extend([vnet_id, templatefile])
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res = process.system_out(cmd)
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if res[0] == 0:
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os.remove(templatefile)
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return True
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else:
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logger.error(u"Update of virtual network with template {0} failed".format(templatefile))
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return False
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def delete_network(self, vnet_id):
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logger.info(u"OneClient: delete network with ID '{id}'".format(id=vnet_id))
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cmd = ['onevnet', 'delete']
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cmd.extend(['--user', self.auth[0]])
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cmd.extend(['--password', self.auth[1][:-1]])
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cmd.append(vnet_id)
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res = process.system_out(cmd)
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if res[0] == 0:
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logger.info(u"Network {0} deleted".format(vnet_id))
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return True
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else:
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logger.error(u"Error deleting network {0}".format(vnet_id))
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return False
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class OneNetwork():
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def create(self, one_client):
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logger.debug(u"OneNetwork: create network named '{name}'".format(name=self.zone))
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tmpl_file = self.create_template()
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if one_client.create_network(tmpl_file, self.cluster, self.zone):
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logger.info(u"Virtual network {0} created".format(self.zone))
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return True
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else:
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logger.error(u"Error Creating virtual network {0}".format(self.zone))
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return False
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def update(self, one_client):
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logger.debug(u"OneNetwork: update network named '{name}'".format(name=self.zone))
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tmpl_file = self.create_template(True)
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if one_client.update_network(tmpl_file, self.cluster, self.zone):
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logger.info(u"Virtual network {0} updated".format(self.zone))
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return True
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else:
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logger.error(u"Error Updating virtual network {0}".format(self.zone))
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return False
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def manage(self, one_client):
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logger.debug(u"OneNetwork: manage network named '{name}'".format(name=self.zone))
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found = False
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vnet = one_client.get_networks()
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network_name = self.zone
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for net in vnet:
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if network_name in net:
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found = True
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break
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if not found:
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return self.create(one_client)
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else:
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return self.update(one_client)
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class OneNetworkL3(OneNetwork):
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def __init__(self, net_info, cluster):
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self.swname = net_info[0]
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self.zone = u'{0}{1}'.format(net_info[10], net_info[1])
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self.vlan = net_info[2]
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self.vnet_addr = net_info[3]
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self.vnet_mask = net_info[4]
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self.vnet_gw = net_info[5]
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self.vnet_rg_start = net_info[6]
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self.vnet_rg_size = net_info[7]
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self.vnet_dns = net_info[8]
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self.vnet_trunk = net_info[9]
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self.cluster = cluster
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def create_template(self, update=False):
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logger.debug(u"OneNetworkL3: create template for network named '{name}'".format(name=self.zone))
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fd, tmp_path = mkstemp(prefix='oneVnet-')
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template = open(tmp_path, 'w')
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template.write('NAME = "{0}"\n'.format(self.zone))
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template.write('VN_MAD = ovswitch\n')
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if (update is False):
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if self.vnet_rg_start and self.vnet_rg_size:
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template.write('AR=[\n')
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template.write('TYPE = "IP4",\n')
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template.write('IP = "{0}",\n'.format(self.vnet_rg_start))
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template.write('SIZE = "{0}"\n'.format(self.vnet_rg_size))
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template.write(']\n')
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else:
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template.write('TYPE = FIXED\n')
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if self.vlan:
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template.write('VLAN = yes\n')
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template.write('VLAN_ID = {0}\n'.format(self.vlan))
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if self.vnet_trunk:
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template.write('VLAN_TAGGED_ID = {0}\n'.format(self.vnet_trunk))
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template.write('BRIDGE = {0}\n'.format(self.swname))
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template.write('NETWORK_ADDRESS = {0}\n'.format(self.vnet_addr))
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template.write('NETWORK_MASK = {0}\n'.format(self.vnet_mask))
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template.write('GATEWAY = {0}\n'.format(self.vnet_gw))
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template.write('DNS = {0}\n'.format(self.vnet_dns))
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template.close()
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return tmp_path
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class OneNetworkL2(OneNetwork):
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def __init__(self, net_info, cluster):
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self.swname = net_info[0]
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self.zone = u'{0}{1}'.format(net_info[6], net_info[1])
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self.net_size = net_info[2]
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self.first_mac = net_info[3]
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self.tag = net_info[4]
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self.trunk = net_info[5]
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self.cluster = cluster
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def create_template(self,update=False):
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logger.debug(u"OneNetworkL2: create template for network named '{name}'".format(name=self.zone))
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fd, tmp_path = mkstemp(prefix='oneVnet-')
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template = open(tmp_path, 'w')
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template.write('NAME = "{0}"\n'.format(self.zone))
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template.write('VN_MAD = ovswitch\n')
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if self.tag:
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template.write('VLAN = yes\n')
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template.write('VLAN_ID = "{0}"\n'.format(self.tag))
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if self.trunk:
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template.write('VLAN_TAGGED_ID = "{0}""\n'.format(self.trunk))
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template.write('BRIDGE = {0}\n'.format(self.swname))
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if update is False and self.net_size:
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template.write("AR=[\n")
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template.write(' TYPE = "ETHER",\n')
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if self.first_mac:
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template.write(' MAC = "{0}",\n'.format(self.first_mac))
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template.write(' SIZE = "{0}"\n'.format(self.net_size))
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template.write("]\n")
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template.close()
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return tmp_path
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def main():
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global logger
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logger = init_logging(name='postservice.opennebula.network',
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level=u'INFO',
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as_root=True,
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console=True,
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syslog=True)
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logger.debug(u"Configure OpenNebula networks")
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client = CreoleClient()
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mode_ha = client.get_creole('activer_one_ha')
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if mode_ha == "oui":
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indx = client.get_creole('one_ha_server_index')
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if indx != 0:
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# Mode HA is on and we are not in the Leader
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exit(0)
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one_client = OneClient('oneadmin')
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networks = []
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cluster = client.get_creole('one_cluster_name')
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swname = client.get_creole('ovs_sw_name')
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zones = client.get_creole('vnets')
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vlans = client.get_creole('vnet_vlan_tag')
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vnet_addr = client.get_creole('vnet_network_addr')
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vnet_mask = client.get_creole('vnet_network_mask')
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vnet_dns = client.get_creole('vnet_network_dns')
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vnet_gw = client.get_creole('vnet_network_gw')
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vnet_rg_start = client.get_creole('vnet_range_start')
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vnet_rg_size = client.get_creole('vnet_range_size')
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vnet_trunk = client.get_creole('vnet_vlan_trunk')
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l2_vnet = client.get_creole('l2_vnets')
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l2_vnet_size = client.get_creole('l2_vnet_size')
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l2_vnet_vlan_tag = client.get_creole('l2_vnet_vlan_tag')
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l2_vnet_vlan_trunk = client.get_creole('l2_vnet_vlan_trunk')
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l2_vnet_first_mac = client.get_creole('l2_vnet_first_mac')
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net_prefix = "CR_"
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processed = []
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for cpt in range(len(zones)):
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if zones[cpt] not in processed:
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info = []
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info.append(swname)
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info.append(zones[cpt])
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info.append(vlans[cpt])
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info.append(vnet_addr[cpt])
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info.append(vnet_mask[cpt])
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info.append(vnet_gw[cpt])
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info.append(vnet_rg_start[cpt])
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info.append(vnet_rg_size[cpt])
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info.append(vnet_dns[cpt])
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info.append(vnet_trunk[cpt])
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info.append(net_prefix)
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networks.append(OneNetworkL3(info, cluster))
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processed.append(zones[cpt])
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for i in range(len(l2_vnet)):
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if l2_vnet[i] not in processed:
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net_info = []
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net_info.append(swname)
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net_info.append(l2_vnet[i])
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net_info.append(l2_vnet_size[i])
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net_info.append(l2_vnet_first_mac[i])
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net_info.append(l2_vnet_vlan_tag[i])
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net_info.append(l2_vnet_vlan_trunk[i])
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net_info.append(net_prefix)
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networks.append(OneNetworkL2(net_info, cluster))
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processed.append(l2_vnet[i])
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if client.get_creole('activer_openvswitch'):
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for network in networks:
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if not network.manage(one_client):
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exit(1)
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else:
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logger.info(u'Open vSwitch disabled no need to configure virtual networks')
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networks = one_client.get_networks()
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for net in networks:
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name = net[1]
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if name.startswith(net_prefix):
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if not name[3:] in zones and not name[3:] in l2_vnet:
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one_client.delete_network(net[0])
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exit(0)
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main()
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