325 lines
12 KiB
Python
325 lines
12 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2012 IBM
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# 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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import logging
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import time
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import urllib
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from lxml import etree
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from tempest.common.rest_client import RestClientXML
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from tempest import exceptions
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from tempest.services.compute.xml.common import Document
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from tempest.services.compute.xml.common import Element
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from tempest.services.compute.xml.common import Text
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from tempest.services.compute.xml.common import xml_to_json
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from tempest.services.compute.xml.common import XMLNS_11
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LOG = logging.getLogger(__name__)
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class ServersClientXML(RestClientXML):
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def __init__(self, config, username, password, auth_url, tenant_name=None):
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super(ServersClientXML, self).__init__(config, username, password,
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auth_url, tenant_name)
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self.service = self.config.compute.catalog_type
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def _parse_key_value(self, node):
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"""Parse <foo key='key'>value</foo> data into {'key': 'value'}"""
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data = {}
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for node in node.getchildren():
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data[node.get('key')] = node.text
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return data
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def _parse_links(self, node, json):
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del json['link']
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json['links'] = []
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for linknode in node.findall('{http://www.w3.org/2005/Atom}link'):
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json['links'].append(xml_to_json(linknode))
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def _parse_server(self, body):
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json = xml_to_json(body)
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if 'metadata' in json and json['metadata']:
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# NOTE(danms): if there was metadata, we need to re-parse
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# that as a special type
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metadata_tag = body.find('{%s}metadata' % XMLNS_11)
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json["metadata"] = self._parse_key_value(metadata_tag)
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if 'link' in json:
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self._parse_links(body, json)
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for sub in ['image', 'flavor']:
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if sub in json and 'link' in json[sub]:
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self._parse_links(body, json[sub])
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return json
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def get_server(self, server_id):
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"""Returns the details of an existing server"""
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resp, body = self.get("servers/%s" % str(server_id), self.headers)
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server = self._parse_server(etree.fromstring(body))
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return resp, server
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def delete_server(self, server_id):
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"""Deletes the given server"""
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return self.delete("servers/%s" % str(server_id))
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def _parse_array(self, node):
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array = []
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for child in node.getchildren():
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array.append(xml_to_json(child))
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return array
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def list_servers(self, params=None):
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url = 'servers/detail'
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if params:
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url += '?%s' % urllib.urlencode(params)
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resp, body = self.get(url, self.headers)
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servers = self._parse_array(etree.fromstring(body))
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return resp, {"servers": servers}
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def list_servers_with_detail(self, params=None):
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url = 'servers/detail'
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if params:
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url += '?%s' % urllib.urlencode(params)
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resp, body = self.get(url, self.headers)
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servers = self._parse_array(etree.fromstring(body))
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return resp, {"servers": servers}
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def update_server(self, server_id, name=None, meta=None, accessIPv4=None,
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accessIPv6=None):
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doc = Document()
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server = Element("server")
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doc.append(server)
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if name:
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server.add_attr("name", name)
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if accessIPv4:
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server.add_attr("accessIPv4", accessIPv4)
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if accessIPv6:
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server.add_attr("accessIPv6", accessIPv6)
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if meta:
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metadata = Element("metadata")
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server.append(metadata)
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for k, v in meta:
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meta = Element("meta", key=k)
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meta.append(Text(v))
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metadata.append(meta)
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resp, body = self.put('servers/%s' % str(server_id),
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str(doc), self.headers)
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return resp, xml_to_json(etree.fromstring(body))
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def create_server(self, name, image_ref, flavor_ref, **kwargs):
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"""
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Creates an instance of a server.
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name (Required): The name of the server.
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image_ref (Required): Reference to the image used to build the server.
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flavor_ref (Required): The flavor used to build the server.
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Following optional keyword arguments are accepted:
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adminPass: Sets the initial root password.
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key_name: Key name of keypair that was created earlier.
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meta: A dictionary of values to be used as metadata.
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personality: A list of dictionaries for files to be injected into
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the server.
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security_groups: A list of security group dicts.
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networks: A list of network dicts with UUID and fixed_ip.
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user_data: User data for instance.
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availability_zone: Availability zone in which to launch instance.
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accessIPv4: The IPv4 access address for the server.
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accessIPv6: The IPv6 access address for the server.
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min_count: Count of minimum number of instances to launch.
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max_count: Count of maximum number of instances to launch.
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disk_config: Determines if user or admin controls disk configuration.
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"""
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server = Element("server",
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xmlns=XMLNS_11,
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imageRef=image_ref,
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flavorRef=flavor_ref,
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name=name)
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for attr in ["adminPass", "accessIPv4", "accessIPv6", "key_name"]:
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if attr in kwargs:
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server.add_attr(attr, kwargs[attr])
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if 'meta' in kwargs:
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metadata = Element("metadata")
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server.append(metadata)
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for k, v in kwargs['meta'].items():
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meta = Element("meta", key=k)
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meta.append(Text(v))
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metadata.append(meta)
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if 'personality' in kwargs:
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personality = Element('personality')
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server.append(personality)
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for k in kwargs['personality']:
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temp = Element('file', path=k['path'])
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temp.append(Text(k['contents']))
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personality.append(temp)
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resp, body = self.post('servers', str(Document(server)), self.headers)
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server = self._parse_server(etree.fromstring(body))
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return resp, server
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def wait_for_server_status(self, server_id, status):
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"""Waits for a server to reach a given status"""
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resp, body = self.get_server(server_id)
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server_status = body['status']
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start = int(time.time())
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while(server_status != status):
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time.sleep(self.build_interval)
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resp, body = self.get_server(server_id)
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server_status = body['status']
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if server_status == 'ERROR':
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raise exceptions.BuildErrorException(server_id=server_id)
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timed_out = int(time.time()) - start >= self.build_timeout
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if server_status != status and timed_out:
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message = ('Server %s failed to reach %s status within the '
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'required time (%s s).' %
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(server_id, status, self.build_timeout))
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message += ' Current status: %s.' % server_status
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raise exceptions.TimeoutException(message)
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def wait_for_server_termination(self, server_id, ignore_error=False):
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"""Waits for server to reach termination"""
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start_time = int(time.time())
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while True:
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try:
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resp, body = self.get_server(server_id)
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except exceptions.NotFound:
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return
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server_status = body['status']
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if server_status == 'ERROR' and not ignore_error:
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raise exceptions.BuildErrorException
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if int(time.time()) - start_time >= self.build_timeout:
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raise exceptions.TimeoutException
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time.sleep(self.build_interval)
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def _parse_network(self, node):
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addrs = []
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for child in node.getchildren():
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addrs.append({'version': int(child.get('version')),
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'addr': child.get('version')})
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return {node.get('id'): addrs}
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def list_addresses(self, server_id):
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"""Lists all addresses for a server"""
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resp, body = self.get("servers/%s/ips" % str(server_id), self.headers)
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networks = {}
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for child in etree.fromstring(body.getchildren()):
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network = self._parse_network(child)
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networks.update(**network)
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return resp, networks
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def list_addresses_by_network(self, server_id, network_id):
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"""Lists all addresses of a specific network type for a server"""
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resp, body = self.get("servers/%s/ips/%s" % (str(server_id),
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network_id),
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self.headers)
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network = self._parse_network(etree.fromstring(body))
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return resp, network
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def change_password(self, server_id, password):
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cpw = Element("changePassword",
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xmlns=XMLNS_11,
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adminPass=password)
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return self.post("servers/%s/action" % server_id,
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str(Document(cpw)), self.headers)
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def reboot(self, server_id, reboot_type):
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reboot = Element("reboot",
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xmlns=XMLNS_11,
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type=reboot_type)
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return self.post("servers/%s/action" % server_id,
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str(Document(reboot)), self.headers)
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def rebuild(self, server_id, image_ref, name=None, meta=None,
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personality=None, adminPass=None, disk_config=None):
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rebuild = Element("rebuild",
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xmlns=XMLNS_11,
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imageRef=image_ref)
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if name:
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rebuild.add_attr("name", name)
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if adminPass:
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rebuild.add_attr("adminPass", adminPass)
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if meta:
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metadata = Element("metadata")
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rebuild.append(metadata)
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for k, v in meta.items():
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meta = Element("meta", key=k)
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meta.append(Text(v))
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metadata.append(meta)
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resp, body = self.post('servers/%s/action' % server_id,
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str(Document(rebuild)), self.headers)
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server = self._parse_server(etree.fromstring(body))
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return resp, server
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def resize(self, server_id, flavor_ref, disk_config=None):
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resize = Element("resize",
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xmlns=XMLNS_11,
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flavorRef=flavor_ref)
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if disk_config is not None:
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raise Exception("Sorry, disk_config not supported via XML yet")
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return self.post('servers/%s/action' % server_id,
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str(Document(resize)), self.headers)
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def confirm_resize(self, server_id):
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conf = Element('confirmResize')
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return self.post('servers/%s/action' % server_id,
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str(Document(conf)), self.headers)
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def revert_resize(self, server_id):
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revert = Element('revertResize')
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return self.post('servers/%s/action' % server_id,
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str(Document(revert)), self.headers)
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def create_image(self, server_id, image_name):
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metadata = Element('metadata')
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image = Element('createImage',
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metadata,
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xmlns=XMLNS_11,
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name=image_name)
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return self.post('servers/%s/action' % server_id,
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str(Document(image)), self.headers)
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def add_security_group(self, server_id, security_group_name):
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secgrp = Element('addSecurityGroup', name=security_group_name)
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return self.post('servers/%s/action' % server_id,
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str(Document(secgrp)), self.headers)
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def remove_security_group(self, server_id, security_group_name):
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secgrp = Element('removeSecurityGroup', name=security_group_name)
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return self.post('servers/%s/action' % server_id,
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str(Document(secgrp)), self.headers)
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