1 ##############################################################################
2 # Copyright (c) 2015 Ericsson AB and others.
4 # All rights reserved. This program and the accompanying materials
5 # are made available under the terms of the Apache License, Version 2.0
6 # which accompanies this distribution, and is available at
7 # http://www.apache.org/licenses/LICENSE-2.0
8 ##############################################################################
15 from yardstick.benchmark.contexts.base import Context
16 from yardstick.benchmark.contexts.model import Server
17 from yardstick.benchmark.contexts.model import PlacementGroup
18 from yardstick.benchmark.contexts.model import Network
19 from yardstick.benchmark.contexts.model import update_scheduler_hints
20 from yardstick.orchestrator.heat import HeatTemplate
23 class HeatContext(Context):
24 '''Class that represents a context in the logical model'''
26 __context_type__ = "Heat"
33 self.placement_groups = []
34 self.keypair_name = None
35 self.secgroup_name = None
40 self.template_file = None
41 self.heat_parameters = None
42 self.key_filename = 'yardstick/resources/files/yardstick_key'
43 super(self.__class__, self).__init__()
45 def init(self, attrs):
46 '''initializes itself from the supplied arguments'''
47 self.name = attrs["name"]
50 self._user = attrs["user"]
52 if "heat_template" in attrs:
53 self.template_file = attrs["heat_template"]
54 self.heat_parameters = attrs.get("heat_parameters", None)
57 self.keypair_name = self.name + "-key"
58 self.secgroup_name = self.name + "-secgroup"
61 self._image = attrs["image"]
64 self._flavor = attrs["flavor"]
66 if "placement_groups" in attrs:
67 for name, pgattrs in attrs["placement_groups"].items():
68 pg = PlacementGroup(name, self, pgattrs["policy"])
69 self.placement_groups.append(pg)
71 for name, netattrs in attrs["networks"].items():
72 network = Network(name, self, netattrs)
73 self.networks.append(network)
75 for name, serverattrs in attrs["servers"].items():
76 server = Server(name, self, serverattrs)
77 self.servers.append(server)
78 self._server_map[server.dn] = server
80 print "Generating RSA host key ..."
81 rsa_key = paramiko.RSAKey.generate(bits=2048, progress_func=None)
82 print "Writing yardstick_key ..."
83 rsa_key.write_private_key_file(self.key_filename)
84 print "Writing yardstick_key.pub ..."
85 open(self.key_filename + ".pub", "w").write("%s %s\n" %
87 rsa_key.get_base64()))
93 '''returns application's default image name'''
98 '''returns application's default flavor name'''
103 '''return login user name corresponding to image'''
106 def _add_resources_to_template(self, template):
107 '''add to the template the resources represented by this context'''
108 template.add_keypair(self.keypair_name)
109 template.add_security_group(self.secgroup_name)
111 for network in self.networks:
112 template.add_network(network.stack_name)
113 template.add_subnet(network.subnet_stack_name, network.stack_name,
117 template.add_router(network.router.stack_name,
118 network.router.external_gateway_info,
119 network.subnet_stack_name)
120 template.add_router_interface(network.router.stack_if_name,
121 network.router.stack_name,
122 network.subnet_stack_name)
124 # create a list of servers sorted by increasing no of placement groups
125 list_of_servers = sorted(self.servers,
126 key=lambda s: len(s.placement_groups))
129 # add servers with scheduler hints derived from placement groups
132 # create list of servers with availability policy
133 availability_servers = []
134 for server in list_of_servers:
135 for pg in server.placement_groups:
136 if pg.policy == "availability":
137 availability_servers.append(server)
140 # add servers with availability policy
142 for server in availability_servers:
144 for pg in server.placement_groups:
145 update_scheduler_hints(scheduler_hints, added_servers, pg)
146 # workround for openstack nova bug, check JIRA: YARDSTICK-200
148 if len(availability_servers) == 2:
149 if len(scheduler_hints["different_host"]) == 0:
150 scheduler_hints.pop("different_host", None)
151 server.add_to_template(template,
154 added_servers.append(server.stack_name)
156 scheduler_hints["different_host"] = \
157 scheduler_hints["different_host"][0]
158 server.add_to_template(template,
161 added_servers.append(server.stack_name)
163 server.add_to_template(template,
166 added_servers.append(server.stack_name)
168 # create list of servers with affinity policy
169 affinity_servers = []
170 for server in list_of_servers:
171 for pg in server.placement_groups:
172 if pg.policy == "affinity":
173 affinity_servers.append(server)
176 # add servers with affinity policy
177 for server in affinity_servers:
178 if server.stack_name in added_servers:
181 for pg in server.placement_groups:
182 update_scheduler_hints(scheduler_hints, added_servers, pg)
183 server.add_to_template(template, self.networks, scheduler_hints)
184 added_servers.append(server.stack_name)
186 # add remaining servers with no placement group configured
187 for server in list_of_servers:
188 if len(server.placement_groups) == 0:
189 server.add_to_template(template, self.networks, {})
192 '''deploys template into a stack using cloud'''
193 print "Deploying context '%s'" % self.name
195 heat_template = HeatTemplate(self.name, self.template_file,
196 self.heat_parameters)
198 if self.template_file is None:
199 self._add_resources_to_template(heat_template)
202 self.stack = heat_template.create()
203 except KeyboardInterrupt:
204 sys.exit("\nStack create interrupted")
205 except RuntimeError as err:
206 sys.exit("error: failed to deploy stack: '%s'" % err.args)
207 except Exception as err:
208 sys.exit("error: failed to deploy stack: '%s'" % err)
210 # copy some vital stack output into server objects
211 for server in self.servers:
212 if len(server.ports) > 0:
213 # TODO(hafe) can only handle one internal network for now
214 port = server.ports.values()[0]
215 server.private_ip = self.stack.outputs[port["stack_name"]]
217 if server.floating_ip:
219 self.stack.outputs[server.floating_ip["stack_name"]]
221 print "Context '%s' deployed" % self.name
224 '''undeploys stack from cloud'''
226 print "Undeploying context '%s'" % self.name
229 print "Context '%s' undeployed" % self.name
231 if os.path.exists(self.key_filename):
233 os.remove(self.key_filename)
234 os.remove(self.key_filename + ".pub")
236 print ("Error: %s - %s." % (e.key_filename, e.strerror))
238 def _get_server(self, attr_name):
239 '''lookup server info by name from context
240 attr_name: either a name for a server created by yardstick or a dict
241 with attribute name mapping when using external heat templates
243 key_filename = pkg_resources.resource_filename(
244 'yardstick.resources', 'files/yardstick_key')
246 if type(attr_name) is dict:
247 cname = attr_name["name"].split(".")[1]
248 if cname != self.name:
253 if "public_ip_attr" in attr_name:
254 public_ip = self.stack.outputs[attr_name["public_ip_attr"]]
255 if "private_ip_attr" in attr_name:
256 private_ip = self.stack.outputs[
257 attr_name["private_ip_attr"]]
259 # Create a dummy server instance for holding the *_ip attributes
260 server = Server(attr_name["name"].split(".")[0], self, {})
261 server.public_ip = public_ip
262 server.private_ip = private_ip
264 if attr_name not in self._server_map:
266 server = self._server_map[attr_name]
272 "user": server.context.user,
273 "key_filename": key_filename,
274 "private_ip": server.private_ip
276 # Target server may only have private_ip
278 result["ip"] = server.public_ip