125 lines
4.0 KiB
Python
125 lines
4.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2011 Cisco Systems, Inc. All rights reserved.
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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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#
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# @author: Edgar Magana, Cisco Systems
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"""
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Logistic components for Service Insertion utility
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"""
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import logging
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import re
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import subprocess
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import time
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from quantum.common import utils
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from quantum.openstack.common import importutils
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from quantum.plugins.cisco.common import cisco_constants as const
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from quantum.plugins.cisco.db import services_db as sdb
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from quantum.plugins.cisco import l2network_plugin_configuration as conf
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from quantum.plugins.cisco.services import services_constants as servconts
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LOG = logging.getLogger(__name__)
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class ServicesLogistics():
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"""
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Services Logistics Modules
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"""
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def __init__(self):
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pass
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def image_shutdown_verification(self, image_name):
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"""
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Verifies that the VM has been properly shutdown
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"""
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try:
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service_args = []
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service_args.append(servconts.DESCRIBE_VM_CMD)
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service_args.append(image_name)
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counter = 0
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flag = False
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while not flag and counter <= 5:
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counter = counter + 1
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time.sleep(2.5)
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process = utils.subprocess_popen(service_args,
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stdout=subprocess.PIPE)
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result = process.stdout.readlines()
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if not result:
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flag = True
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except Exception, exc:
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print exc
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def image_status(self, image_name):
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"""
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Checks the status of the image
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"""
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try:
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service_args = []
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service_args.append(servconts.DESCRIBE_VM_CMD)
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service_args.append(image_name)
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counter = 0
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flag = False
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while not flag and counter <= 10:
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counter = counter + 1
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time.sleep(2.5)
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process = utils.subprocess_popen(service_args,
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stdout=subprocess.PIPE)
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result = process.stdout.readlines()
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if result:
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tokens = re.search("running", str(result[1]))
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if tokens:
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service_status = tokens.group(0)
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if service_status == "running":
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flag = True
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except Exception as exc:
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print exc
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def image_exist(self, image_name):
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"""
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Verifies that the image id is available
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"""
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try:
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service_vm = sdb.get_service_bindings(image_name)
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if service_vm:
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return True
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else:
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return False
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except Exception as exc:
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print exc
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def verify_plugin(self, plugin_key):
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"""
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Verifies the PlugIn available
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"""
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_plugins = {}
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for key in conf.PLUGINS[const.PLUGINS].keys():
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plugin_obj = conf.PLUGINS[const.PLUGINS][key]
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_plugins[key] = importutils.import_object(plugin_obj)
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if not plugin_key in _plugins.keys():
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LOG.debug(_("No %s Plugin loaded"), plugin_key)
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return False
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else:
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LOG.debug(_("Plugin %s founded"), const.UCS_PLUGIN)
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return True
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def press_key(self):
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"""
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Waits for en external input
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"""
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key = raw_input(_("Press any key to continue"))
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return key
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