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 ##############################################################################
13 from yardstick.benchmark.contexts.base import Context
14 from yardstick.benchmark.contexts.model import Server
15 from yardstick.benchmark.contexts.model import PlacementGroup
16 from yardstick.benchmark.contexts.model import Network
17 from yardstick.benchmark.contexts.model import update_scheduler_hints
18 from yardstick.orchestrator.heat import HeatTemplate
21 class HeatContext(Context):
22 '''Class that represents a context in the logical model'''
24 __context_type__ = "Heat"
31 self.placement_groups = []
32 self.keypair_name = None
33 self.secgroup_name = None
38 self.template_file = None
39 self.heat_parameters = None
40 super(self.__class__, self).__init__()
42 def init(self, attrs):
43 '''initializes itself from the supplied arguments'''
44 self.name = attrs["name"]
47 self._user = attrs["user"]
49 if "heat_template" in attrs:
50 self.template_file = attrs["heat_template"]
51 self.heat_parameters = attrs.get("heat_parameters", None)
54 self.keypair_name = self.name + "-key"
55 self.secgroup_name = self.name + "-secgroup"
58 self._image = attrs["image"]
61 self._flavor = attrs["flavor"]
63 if "placement_groups" in attrs:
64 for name, pgattrs in attrs["placement_groups"].items():
65 pg = PlacementGroup(name, self, pgattrs["policy"])
66 self.placement_groups.append(pg)
68 for name, netattrs in attrs["networks"].items():
69 network = Network(name, self, netattrs)
70 self.networks.append(network)
72 for name, serverattrs in attrs["servers"].items():
73 server = Server(name, self, serverattrs)
74 self.servers.append(server)
75 self._server_map[server.dn] = server
79 '''returns application's default image name'''
84 '''returns application's default flavor name'''
89 '''return login user name corresponding to image'''
92 def _add_resources_to_template(self, template):
93 '''add to the template the resources represented by this context'''
94 template.add_keypair(self.keypair_name)
95 template.add_security_group(self.secgroup_name)
97 for network in self.networks:
98 template.add_network(network.stack_name)
99 template.add_subnet(network.subnet_stack_name, network.stack_name,
103 template.add_router(network.router.stack_name,
104 network.router.external_gateway_info,
105 network.subnet_stack_name)
106 template.add_router_interface(network.router.stack_if_name,
107 network.router.stack_name,
108 network.subnet_stack_name)
110 # create a list of servers sorted by increasing no of placement groups
111 list_of_servers = sorted(self.servers,
112 key=lambda s: len(s.placement_groups))
115 # add servers with scheduler hints derived from placement groups
118 # create list of servers with availability policy
119 availability_servers = []
120 for server in list_of_servers:
121 for pg in server.placement_groups:
122 if pg.policy == "availability":
123 availability_servers.append(server)
126 # add servers with availability policy
128 for server in availability_servers:
130 for pg in server.placement_groups:
131 update_scheduler_hints(scheduler_hints, added_servers, pg)
132 server.add_to_template(template, self.networks, scheduler_hints)
133 added_servers.append(server.stack_name)
135 # create list of servers with affinity policy
136 affinity_servers = []
137 for server in list_of_servers:
138 for pg in server.placement_groups:
139 if pg.policy == "affinity":
140 affinity_servers.append(server)
143 # add servers with affinity policy
144 for server in affinity_servers:
145 if server.stack_name in added_servers:
148 for pg in server.placement_groups:
149 update_scheduler_hints(scheduler_hints, added_servers, pg)
150 server.add_to_template(template, self.networks, scheduler_hints)
151 added_servers.append(server.stack_name)
153 # add remaining servers with no placement group configured
154 for server in list_of_servers:
155 if len(server.placement_groups) == 0:
156 server.add_to_template(template, self.networks, {})
159 '''deploys template into a stack using cloud'''
160 print "Deploying context '%s'" % self.name
162 heat_template = HeatTemplate(self.name, self.template_file,
163 self.heat_parameters)
165 if self.template_file is None:
166 self._add_resources_to_template(heat_template)
169 self.stack = heat_template.create()
170 except KeyboardInterrupt:
171 sys.exit("\nStack create interrupted")
172 except RuntimeError as err:
173 sys.exit("error: failed to deploy stack: '%s'" % err.args)
174 except Exception as err:
175 sys.exit("error: failed to deploy stack: '%s'" % err)
177 # copy some vital stack output into server objects
178 for server in self.servers:
179 if len(server.ports) > 0:
180 # TODO(hafe) can only handle one internal network for now
181 port = server.ports.values()[0]
182 server.private_ip = self.stack.outputs[port["stack_name"]]
184 if server.floating_ip:
186 self.stack.outputs[server.floating_ip["stack_name"]]
188 print "Context '%s' deployed" % self.name
191 '''undeploys stack from cloud'''
193 print "Undeploying context '%s'" % self.name
196 print "Context '%s' undeployed" % self.name
198 def _get_server(self, attr_name):
199 '''lookup server info by name from context
200 attr_name: either a name for a server created by yardstick or a dict
201 with attribute name mapping when using external heat templates
203 key_filename = pkg_resources.resource_filename(
204 'yardstick.resources', 'files/yardstick_key')
206 if type(attr_name) is dict:
207 cname = attr_name["name"].split(".")[1]
208 if cname != self.name:
213 if "public_ip_attr" in attr_name:
214 public_ip = self.stack.outputs[attr_name["public_ip_attr"]]
215 if "private_ip_attr" in attr_name:
216 private_ip = self.stack.outputs[
217 attr_name["private_ip_attr"]]
219 # Create a dummy server instance for holding the *_ip attributes
220 server = Server(attr_name["name"].split(".")[0], self, {})
221 server.public_ip = public_ip
222 server.private_ip = private_ip
224 if attr_name not in self._server_map:
226 server = self._server_map[attr_name]
232 "user": server.context.user,
233 "key_filename": key_filename,
234 "private_ip": server.private_ip
236 # Target server may only have private_ip
238 result["ip"] = server.public_ip