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141 lines
4.4 KiB
Python
Executable File
141 lines
4.4 KiB
Python
Executable File
#!/usr/bin/python
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import sys
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from merge import QueueFile
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import logging
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import subprocess
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from subprocess import PIPE, STDOUT
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import os
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import os.path
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import configure
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import json
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logging.basicConfig(filename='/var/log/cloud.log', level=logging.DEBUG, format='%(asctime)s %(message)s')
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# first commandline argument should be the file to process
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if (len(sys.argv) != 2):
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print "[ERROR]: Invalid usage"
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sys.exit(1)
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# FIXME we should get this location from a configuration class
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jsonPath = "/var/cache/cloud/%s"
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jsonCmdConfigPath = jsonPath % sys.argv[1]
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currentGuestNetConfig = "/etc/cloudstack/guestnetwork.json"
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def finish_config():
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# Converge
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returncode = configure.main([])
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sys.exit(returncode)
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def process_file():
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print "[INFO] Processing JSON file %s" % sys.argv[1]
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qf = QueueFile()
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qf.setFile(sys.argv[1])
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qf.load(None)
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# Converge
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finish_config()
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def is_guestnet_configured(guestnet_dict, keys):
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existing_keys = []
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new_eth_key = None
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for k1, v1 in guestnet_dict.iteritems():
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if k1 in keys and len(v1) > 0:
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existing_keys.append(k1)
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if not existing_keys:
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'''
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It seems all the interfaces have been removed. Let's allow a new configuration to come in.
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'''
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print "[WARN] update_config.py :: Reconfiguring guest network..."
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return False
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file = open(jsonCmdConfigPath)
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new_guestnet_dict = json.load(file)
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if not new_guestnet_dict['add']:
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'''
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Guest network has to be removed.
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'''
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print "[INFO] update_config.py :: Removing guest network..."
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return False
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'''
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Check if we have a new guest network ready to be setup
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'''
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device = new_guestnet_dict['device']
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if device in existing_keys:
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'''
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Device already configured, ignore.
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'''
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return True
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exists = False
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for key in existing_keys:
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for interface in guestnet_dict[key]:
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new_mac = new_guestnet_dict["mac_address"].encode('utf-8')
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old_mac = interface["mac_address"].encode('utf-8')
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new_ip = new_guestnet_dict["router_guest_ip"].encode('utf-8')
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old_ip = interface["router_guest_ip"].encode('utf-8')
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if (new_mac == old_mac) and (new_ip == old_ip):
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exists = True
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break
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if exists:
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break
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return exists
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if not (os.path.isfile(jsonCmdConfigPath) and os.access(jsonCmdConfigPath, os.R_OK)):
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print "[ERROR] update_config.py :: You are telling me to process %s, but i can't access it" % jsonCmdConfigPath
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sys.exit(1)
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# If the command line json file is unprocessed process it
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# This is important or, the control interfaces will get deleted!
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if os.path.isfile(jsonPath % "cmd_line.json"):
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qf = QueueFile()
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qf.setFile("cmd_line.json")
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qf.load(None)
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# If the guest network is already configured and have the same IP, do not try to configure it again otherwise it will break
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if sys.argv[1] == "guest_network.json":
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if os.path.isfile(currentGuestNetConfig):
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file = open(currentGuestNetConfig)
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guestnet_dict = json.load(file)
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if not is_guestnet_configured(guestnet_dict, ['eth1', 'eth2', 'eth3', 'eth4', 'eth5', 'eth6', 'eth7', 'eth8', 'eth9']):
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print "[INFO] update_config.py :: Processing Guest Network."
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process_file()
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else:
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print "[INFO] update_config.py :: No need to process Guest Network."
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finish_config()
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else:
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print "[INFO] update_config.py :: No GuestNetwork configured yet. Configuring first one now."
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process_file()
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else:
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print "[INFO] update_config.py :: Processing incoming file => %s" % sys.argv[1]
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process_file()
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